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| author | Lioncash <mathew1800@gmail.com> | 2020-10-13 14:10:50 +0200 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2020-10-13 19:16:49 +0200 |
| commit | 39c8d18feba8eafcd43fbb55e73ae150a1947aad (patch) | |
| tree | 9565ff464bbb9e5a0aa66e6e310098314e88d019 /externals/httplib | |
| parent | Merge pull request #3929 from FearlessTobi/ticket-keys (diff) | |
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Diffstat (limited to 'externals/httplib')
| -rw-r--r-- | externals/httplib/httplib.h | 4451 |
1 files changed, 3077 insertions, 1374 deletions
diff --git a/externals/httplib/httplib.h b/externals/httplib/httplib.h index e03842e6d..5139b7f05 100644 --- a/externals/httplib/httplib.h +++ b/externals/httplib/httplib.h @@ -16,14 +16,18 @@ #define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5 #endif -#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND -#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND 0 -#endif - #ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT #define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5 #endif +#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND +#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300 +#endif + +#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND +#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0 +#endif + #ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND #define CPPHTTPLIB_READ_TIMEOUT_SECOND 5 #endif @@ -32,6 +36,26 @@ #define CPPHTTPLIB_READ_TIMEOUT_USECOND 0 #endif +#ifndef CPPHTTPLIB_WRITE_TIMEOUT_SECOND +#define CPPHTTPLIB_WRITE_TIMEOUT_SECOND 5 +#endif + +#ifndef CPPHTTPLIB_WRITE_TIMEOUT_USECOND +#define CPPHTTPLIB_WRITE_TIMEOUT_USECOND 0 +#endif + +#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND +#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0 +#endif + +#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND +#ifdef _WIN32 +#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000 +#else +#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0 +#endif +#endif + #ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH #define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 #endif @@ -41,16 +65,26 @@ #endif #ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH -#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH (std::numeric_limits<size_t>::max()) +#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits<size_t>::max)()) +#endif + +#ifndef CPPHTTPLIB_TCP_NODELAY +#define CPPHTTPLIB_TCP_NODELAY false #endif #ifndef CPPHTTPLIB_RECV_BUFSIZ #define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u) #endif +#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ +#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u) +#endif + #ifndef CPPHTTPLIB_THREAD_POOL_COUNT #define CPPHTTPLIB_THREAD_POOL_COUNT \ - (std::max(1u, std::thread::hardware_concurrency() - 1)) + ((std::max)(8u, std::thread::hardware_concurrency() > 0 \ + ? std::thread::hardware_concurrency() - 1 \ + : 0)) #endif /* @@ -92,6 +126,8 @@ using ssize_t = int; #include <io.h> #include <winsock2.h> + +#include <wincrypt.h> #include <ws2tcpip.h> #ifndef WSA_FLAG_NO_HANDLE_INHERIT @@ -100,6 +136,8 @@ using ssize_t = int; #ifdef _MSC_VER #pragma comment(lib, "ws2_32.lib") +#pragma comment(lib, "crypt32.lib") +#pragma comment(lib, "cryptui.lib") #endif #ifndef strcasecmp @@ -118,6 +156,10 @@ using socket_t = SOCKET; #include <ifaddrs.h> #include <netdb.h> #include <netinet/in.h> +#ifdef __linux__ +#include <resolv.h> +#endif +#include <netinet/tcp.h> #ifdef CPPHTTPLIB_USE_POLL #include <poll.h> #endif @@ -134,17 +176,21 @@ using socket_t = int; #include <array> #include <atomic> #include <cassert> +#include <cctype> +#include <climits> #include <condition_variable> #include <errno.h> #include <fcntl.h> #include <fstream> #include <functional> +#include <iostream> #include <list> #include <map> #include <memory> #include <mutex> #include <random> #include <regex> +#include <sstream> #include <string> #include <sys/stat.h> #include <thread> @@ -155,12 +201,17 @@ using socket_t = int; #include <openssl/ssl.h> #include <openssl/x509v3.h> +#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK) +#include <openssl/applink.c> +#endif + #include <iomanip> +#include <iostream> #include <sstream> -// #if OPENSSL_VERSION_NUMBER < 0x1010100fL -// #error Sorry, OpenSSL versions prior to 1.1.1 are not supported -// #endif +#if OPENSSL_VERSION_NUMBER < 0x1010100fL +#error Sorry, OpenSSL versions prior to 1.1.1 are not supported +#endif #if OPENSSL_VERSION_NUMBER < 0x10100000L #include <openssl/crypto.h> @@ -174,6 +225,11 @@ inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) { #include <zlib.h> #endif +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +#include <brotli/decode.h> +#include <brotli/encode.h> +#endif + /* * Declaration */ @@ -212,7 +268,8 @@ using MultipartFormDataMap = std::multimap<std::string, MultipartFormData>; class DataSink { public: - DataSink() = default; + DataSink() : os(&sb_), sb_(*this) {} + DataSink(const DataSink &) = delete; DataSink &operator=(const DataSink &) = delete; DataSink(DataSink &&) = delete; @@ -221,10 +278,31 @@ public: std::function<void(const char *data, size_t data_len)> write; std::function<void()> done; std::function<bool()> is_writable; + std::ostream os; + +private: + class data_sink_streambuf : public std::streambuf { + public: + explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {} + + protected: + std::streamsize xsputn(const char *s, std::streamsize n) { + sink_.write(s, static_cast<size_t>(n)); + return n; + } + + private: + DataSink &sink_; + }; + + data_sink_streambuf sb_; }; using ContentProvider = - std::function<void(size_t offset, size_t length, DataSink &sink)>; + std::function<bool(size_t offset, size_t length, DataSink &sink)>; + +using ContentProviderWithoutLength = + std::function<bool(size_t offset, DataSink &sink)>; using ContentReceiver = std::function<bool(const char *data, size_t data_length)>; @@ -238,18 +316,18 @@ public: using MultipartReader = std::function<bool(MultipartContentHeader header, ContentReceiver receiver)>; - ContentReader(Reader reader, MultipartReader muitlpart_reader) - : reader_(reader), muitlpart_reader_(muitlpart_reader) {} + ContentReader(Reader reader, MultipartReader multipart_reader) + : reader_(reader), multipart_reader_(multipart_reader) {} bool operator()(MultipartContentHeader header, ContentReceiver receiver) const { - return muitlpart_reader_(header, receiver); + return multipart_reader_(header, receiver); } bool operator()(ContentReceiver receiver) const { return reader_(receiver); } Reader reader_; - MultipartReader muitlpart_reader_; + MultipartReader multipart_reader_; }; using Range = std::pair<ssize_t, ssize_t>; @@ -261,6 +339,9 @@ struct Request { Headers headers; std::string body; + std::string remote_addr; + int remote_port = -1; + // for server std::string version; std::string target; @@ -273,6 +354,8 @@ struct Request { size_t redirect_count = CPPHTTPLIB_REDIRECT_MAX_COUNT; ResponseHandler response_handler; ContentReceiver content_receiver; + size_t content_length = 0; + ContentProvider content_provider; Progress progress; #ifdef CPPHTTPLIB_OPENSSL_SUPPORT @@ -281,6 +364,8 @@ struct Request { bool has_header(const char *key) const; std::string get_header_value(const char *key, size_t id = 0) const; + template <typename T> + T get_header_value(const char *key, size_t id = 0) const; size_t get_header_value_count(const char *key) const; void set_header(const char *key, const char *val); void set_header(const char *key, const std::string &val); @@ -295,35 +380,40 @@ struct Request { MultipartFormData get_file_value(const char *key) const; // private members... - size_t content_length; - ContentProvider content_provider; + size_t authorization_count_ = 0; }; struct Response { std::string version; int status = -1; + std::string reason; Headers headers; std::string body; bool has_header(const char *key) const; std::string get_header_value(const char *key, size_t id = 0) const; + template <typename T> + T get_header_value(const char *key, size_t id = 0) const; size_t get_header_value_count(const char *key) const; void set_header(const char *key, const char *val); void set_header(const char *key, const std::string &val); - void set_redirect(const char *url); + void set_redirect(const char *url, int status = 302); + void set_redirect(const std::string &url, int status = 302); void set_content(const char *s, size_t n, const char *content_type); - void set_content(const std::string &s, const char *content_type); + void set_content(std::string s, const char *content_type); + + void set_content_provider( + size_t length, const char *content_type, ContentProvider provider, + const std::function<void()> &resource_releaser = nullptr); void set_content_provider( - size_t length, - std::function<void(size_t offset, size_t length, DataSink &sink)> - provider, - std::function<void()> resource_releaser = [] {}); + const char *content_type, ContentProviderWithoutLength provider, + const std::function<void()> &resource_releaser = nullptr); void set_chunked_content_provider( - std::function<void(size_t offset, DataSink &sink)> provider, - std::function<void()> resource_releaser = [] {}); + const char *content_type, ContentProviderWithoutLength provider, + const std::function<void()> &resource_releaser = nullptr); Response() = default; Response(const Response &) = default; @@ -331,15 +421,16 @@ struct Response { Response(Response &&) = default; Response &operator=(Response &&) = default; ~Response() { - if (content_provider_resource_releaser) { - content_provider_resource_releaser(); + if (content_provider_resource_releaser_) { + content_provider_resource_releaser_(); } } // private members... - size_t content_length = 0; - ContentProvider content_provider; - std::function<void()> content_provider_resource_releaser; + size_t content_length_ = 0; + ContentProvider content_provider_; + std::function<void()> content_provider_resource_releaser_; + bool is_chunked_content_provider = false; }; class Stream { @@ -349,22 +440,25 @@ public: virtual bool is_readable() const = 0; virtual bool is_writable() const = 0; - virtual int read(char *ptr, size_t size) = 0; - virtual int write(const char *ptr, size_t size) = 0; - virtual std::string get_remote_addr() const = 0; + virtual ssize_t read(char *ptr, size_t size) = 0; + virtual ssize_t write(const char *ptr, size_t size) = 0; + virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0; template <typename... Args> - int write_format(const char *fmt, const Args &... args); - int write(const char *ptr); - int write(const std::string &s); + ssize_t write_format(const char *fmt, const Args &... args); + ssize_t write(const char *ptr); + ssize_t write(const std::string &s); }; class TaskQueue { public: TaskQueue() = default; virtual ~TaskQueue() = default; + virtual void enqueue(std::function<void()> fn) = 0; virtual void shutdown() = 0; + + virtual void on_idle(){}; }; class ThreadPool : public TaskQueue { @@ -439,6 +533,26 @@ private: using Logger = std::function<void(const Request &, const Response &)>; +using SocketOptions = std::function<void(socket_t sock)>; + +inline void default_socket_options(socket_t sock) { + int yes = 1; +#ifdef _WIN32 + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char *>(&yes), + sizeof(yes)); + setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, + reinterpret_cast<char *>(&yes), sizeof(yes)); +#else +#ifdef SO_REUSEPORT + setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast<void *>(&yes), + sizeof(yes)); +#else + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<void *>(&yes), + sizeof(yes)); +#endif +#endif +} + class Server { public: using Handler = std::function<void(const Request &, Response &)>; @@ -461,23 +575,30 @@ public: Server &Patch(const char *pattern, Handler handler); Server &Patch(const char *pattern, HandlerWithContentReader handler); Server &Delete(const char *pattern, Handler handler); + Server &Delete(const char *pattern, HandlerWithContentReader handler); Server &Options(const char *pattern, Handler handler); - [[deprecated]] bool set_base_dir(const char *dir, - const char *mount_point = nullptr); - bool set_mount_point(const char *mount_point, const char *dir); + bool set_base_dir(const char *dir, const char *mount_point = nullptr); + bool set_mount_point(const char *mount_point, const char *dir, + Headers headers = Headers()); bool remove_mount_point(const char *mount_point); void set_file_extension_and_mimetype_mapping(const char *ext, const char *mime); void set_file_request_handler(Handler handler); void set_error_handler(Handler handler); + void set_expect_100_continue_handler(Expect100ContinueHandler handler); void set_logger(Logger logger); - void set_expect_100_continue_handler(Expect100ContinueHandler handler); + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); void set_keep_alive_max_count(size_t count); - void set_read_timeout(time_t sec, time_t usec); + void set_keep_alive_timeout(time_t sec); + void set_read_timeout(time_t sec, time_t usec = 0); + void set_write_timeout(time_t sec, time_t usec = 0); + void set_idle_interval(time_t sec, time_t usec = 0); + void set_payload_max_length(size_t length); bool bind_to_port(const char *host, int port, int socket_flags = 0); @@ -492,54 +613,66 @@ public: std::function<TaskQueue *(void)> new_task_queue; protected: - bool process_request(Stream &strm, bool last_connection, - bool &connection_close, + bool process_request(Stream &strm, bool close_connection, + bool &connection_closed, const std::function<void(Request &)> &setup_request); - size_t keep_alive_max_count_; - time_t read_timeout_sec_; - time_t read_timeout_usec_; - size_t payload_max_length_; + std::atomic<socket_t> svr_sock_; + size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; + time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND; + time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; + time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; + time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; + time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; + time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND; + time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND; + size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH; private: using Handlers = std::vector<std::pair<std::regex, Handler>>; using HandlersForContentReader = std::vector<std::pair<std::regex, HandlerWithContentReader>>; - socket_t create_server_socket(const char *host, int port, - int socket_flags) const; + socket_t create_server_socket(const char *host, int port, int socket_flags, + SocketOptions socket_options) const; int bind_internal(const char *host, int port, int socket_flags); bool listen_internal(); - bool routing(Request &req, Response &res, Stream &strm, bool last_connection); + bool routing(Request &req, Response &res, Stream &strm); bool handle_file_request(Request &req, Response &res, bool head = false); - bool dispatch_request(Request &req, Response &res, Handlers &handlers); - bool dispatch_request_for_content_reader(Request &req, Response &res, - ContentReader content_reader, - HandlersForContentReader &handlers); + bool dispatch_request(Request &req, Response &res, const Handlers &handlers); + bool + dispatch_request_for_content_reader(Request &req, Response &res, + ContentReader content_reader, + const HandlersForContentReader &handlers); bool parse_request_line(const char *s, Request &req); - bool write_response(Stream &strm, bool last_connection, const Request &req, + bool write_response(Stream &strm, bool close_connection, const Request &req, Response &res); bool write_content_with_provider(Stream &strm, const Request &req, Response &res, const std::string &boundary, const std::string &content_type); - bool read_content(Stream &strm, bool last_connection, Request &req, - Response &res); - bool read_content_with_content_receiver( - Stream &strm, bool last_connection, Request &req, Response &res, - ContentReceiver receiver, MultipartContentHeader multipart_header, - ContentReceiver multipart_receiver); - bool read_content_core(Stream &strm, bool last_connection, Request &req, - Response &res, ContentReceiver receiver, + bool read_content(Stream &strm, Request &req, Response &res); + bool + read_content_with_content_receiver(Stream &strm, Request &req, Response &res, + ContentReceiver receiver, + MultipartContentHeader multipart_header, + ContentReceiver multipart_receiver); + bool read_content_core(Stream &strm, Request &req, Response &res, + ContentReceiver receiver, MultipartContentHeader mulitpart_header, ContentReceiver multipart_receiver); virtual bool process_and_close_socket(socket_t sock); + + struct MountPointEntry { + std::string mount_point; + std::string base_dir; + Headers headers; + }; + std::vector<MountPointEntry> base_dirs_; std::atomic<bool> is_running_; - std::atomic<socket_t> svr_sock_; - std::vector<std::pair<std::string, std::string>> base_dirs_; std::map<std::string, std::string> file_extension_and_mimetype_map_; Handler file_request_handler_; Handlers get_handlers_; @@ -550,293 +683,427 @@ private: Handlers patch_handlers_; HandlersForContentReader patch_handlers_for_content_reader_; Handlers delete_handlers_; + HandlersForContentReader delete_handlers_for_content_reader_; Handlers options_handlers_; Handler error_handler_; Logger logger_; Expect100ContinueHandler expect_100_continue_handler_; -}; - -class Client { -public: - explicit Client(const std::string &host, int port = 80, - const std::string &client_cert_path = std::string(), - const std::string &client_key_path = std::string()); - - virtual ~Client(); - - virtual bool is_valid() const; - - std::shared_ptr<Response> Get(const char *path); - - std::shared_ptr<Response> Get(const char *path, const Headers &headers); - - std::shared_ptr<Response> Get(const char *path, Progress progress); - - std::shared_ptr<Response> Get(const char *path, const Headers &headers, - Progress progress); - - std::shared_ptr<Response> Get(const char *path, - ContentReceiver content_receiver); - - std::shared_ptr<Response> Get(const char *path, const Headers &headers, - ContentReceiver content_receiver); - - std::shared_ptr<Response> - Get(const char *path, ContentReceiver content_receiver, Progress progress); - - std::shared_ptr<Response> Get(const char *path, const Headers &headers, - ContentReceiver content_receiver, - Progress progress); - std::shared_ptr<Response> Get(const char *path, const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver); - - std::shared_ptr<Response> Get(const char *path, const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver, - Progress progress); - - std::shared_ptr<Response> Head(const char *path); - - std::shared_ptr<Response> Head(const char *path, const Headers &headers); - - std::shared_ptr<Response> Post(const char *path, const std::string &body, - const char *content_type); - - std::shared_ptr<Response> Post(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); - - std::shared_ptr<Response> Post(const char *path, size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr<Response> Post(const char *path, const Headers &headers, - size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr<Response> Post(const char *path, const Params ¶ms); - - std::shared_ptr<Response> Post(const char *path, const Headers &headers, - const Params ¶ms); - - std::shared_ptr<Response> Post(const char *path, - const MultipartFormDataItems &items); - - std::shared_ptr<Response> Post(const char *path, const Headers &headers, - const MultipartFormDataItems &items); - - std::shared_ptr<Response> Put(const char *path, const std::string &body, - const char *content_type); - - std::shared_ptr<Response> Put(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); - - std::shared_ptr<Response> Put(const char *path, size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr<Response> Put(const char *path, const Headers &headers, - size_t content_length, - ContentProvider content_provider, - const char *content_type); - - std::shared_ptr<Response> Put(const char *path, const Params ¶ms); - - std::shared_ptr<Response> Put(const char *path, const Headers &headers, - const Params ¶ms); - - std::shared_ptr<Response> Patch(const char *path, const std::string &body, - const char *content_type); + bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; + SocketOptions socket_options_ = default_socket_options; +}; - std::shared_ptr<Response> Patch(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); +enum Error { + Success = 0, + Unknown, + Connection, + BindIPAddress, + Read, + Write, + ExceedRedirectCount, + Canceled, + SSLConnection, + SSLLoadingCerts, + SSLServerVerification +}; - std::shared_ptr<Response> Patch(const char *path, size_t content_length, - ContentProvider content_provider, - const char *content_type); +class Result { +public: + Result(const std::shared_ptr<Response> &res, Error err) + : res_(res), err_(err) {} + operator bool() const { return res_ != nullptr; } + bool operator==(std::nullptr_t) const { return res_ == nullptr; } + bool operator!=(std::nullptr_t) const { return res_ != nullptr; } + const Response &value() const { return *res_; } + const Response &operator*() const { return *res_; } + const Response *operator->() const { return res_.get(); } + Error error() const { return err_; } - std::shared_ptr<Response> Patch(const char *path, const Headers &headers, - size_t content_length, - ContentProvider content_provider, - const char *content_type); +private: + std::shared_ptr<Response> res_; + Error err_; +}; - std::shared_ptr<Response> Delete(const char *path); +class ClientImpl { +public: + explicit ClientImpl(const std::string &host); - std::shared_ptr<Response> Delete(const char *path, const std::string &body, - const char *content_type); + explicit ClientImpl(const std::string &host, int port); - std::shared_ptr<Response> Delete(const char *path, const Headers &headers); + explicit ClientImpl(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path); - std::shared_ptr<Response> Delete(const char *path, const Headers &headers, - const std::string &body, - const char *content_type); + virtual ~ClientImpl(); - std::shared_ptr<Response> Options(const char *path); + virtual bool is_valid() const; - std::shared_ptr<Response> Options(const char *path, const Headers &headers); + Result Get(const char *path); + Result Get(const char *path, const Headers &headers); + Result Get(const char *path, Progress progress); + Result Get(const char *path, const Headers &headers, Progress progress); + Result Get(const char *path, ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver); + Result Get(const char *path, ContentReceiver content_receiver, + Progress progress); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, Progress progress); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, ContentReceiver content_receiver, + Progress progress); + + Result Head(const char *path); + Result Head(const char *path, const Headers &headers); + + Result Post(const char *path); + Result Post(const char *path, const std::string &body, + const char *content_type); + Result Post(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Post(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Params ¶ms); + Result Post(const char *path, const Headers &headers, const Params ¶ms); + Result Post(const char *path, const MultipartFormDataItems &items); + Result Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items); + + Result Put(const char *path); + Result Put(const char *path, const std::string &body, + const char *content_type); + Result Put(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Put(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Params ¶ms); + Result Put(const char *path, const Headers &headers, const Params ¶ms); + + Result Patch(const char *path, const std::string &body, + const char *content_type); + Result Patch(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + Result Patch(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Patch(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + + Result Delete(const char *path); + Result Delete(const char *path, const std::string &body, + const char *content_type); + Result Delete(const char *path, const Headers &headers); + Result Delete(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + + Result Options(const char *path); + Result Options(const char *path, const Headers &headers); bool send(const Request &req, Response &res); - bool send(const std::vector<Request> &requests, - std::vector<Response> &responses); + size_t is_socket_open() const; - void set_timeout_sec(time_t timeout_sec); + void stop(); - void set_read_timeout(time_t sec, time_t usec); + void set_default_headers(Headers headers); - void set_keep_alive_max_count(size_t count); + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); - void set_basic_auth(const char *username, const char *password); + void set_connection_timeout(time_t sec, time_t usec = 0); + void set_read_timeout(time_t sec, time_t usec = 0); + void set_write_timeout(time_t sec, time_t usec = 0); + void set_basic_auth(const char *username, const char *password); + void set_bearer_token_auth(const char *token); #ifdef CPPHTTPLIB_OPENSSL_SUPPORT void set_digest_auth(const char *username, const char *password); #endif + void set_keep_alive(bool on); void set_follow_location(bool on); void set_compress(bool on); + void set_decompress(bool on); + void set_interface(const char *intf); void set_proxy(const char *host, int port); - void set_proxy_basic_auth(const char *username, const char *password); - + void set_proxy_bearer_token_auth(const char *token); #ifdef CPPHTTPLIB_OPENSSL_SUPPORT void set_proxy_digest_auth(const char *username, const char *password); #endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void enable_server_certificate_verification(bool enabled); +#endif + void set_logger(Logger logger); protected: + struct Socket { + socket_t sock = INVALID_SOCKET; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + SSL *ssl = nullptr; +#endif + + bool is_open() const { return sock != INVALID_SOCKET; } + }; + + virtual bool create_and_connect_socket(Socket &socket); + virtual void close_socket(Socket &socket, bool process_socket_ret); + bool process_request(Stream &strm, const Request &req, Response &res, - bool last_connection, bool &connection_close); + bool close_connection); + Error get_last_error() const; + + void copy_settings(const ClientImpl &rhs); + + // Error state + mutable Error error_ = Error::Success; + + // Socket endoint information const std::string host_; const int port_; const std::string host_and_port_; + // Current open socket + Socket socket_; + mutable std::mutex socket_mutex_; + std::recursive_mutex request_mutex_; + + // Default headers + Headers default_headers_; + // Settings std::string client_cert_path_; std::string client_key_path_; - time_t timeout_sec_ = 300; + time_t connection_timeout_sec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND; + time_t connection_timeout_usec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND; time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; - - size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; + time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; + time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; std::string basic_auth_username_; std::string basic_auth_password_; + std::string bearer_token_auth_token_; #ifdef CPPHTTPLIB_OPENSSL_SUPPORT std::string digest_auth_username_; std::string digest_auth_password_; #endif + bool keep_alive_ = false; bool follow_location_ = false; + bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; + SocketOptions socket_options_ = nullptr; + bool compress_ = false; + bool decompress_ = true; std::string interface_; std::string proxy_host_; - int proxy_port_; + int proxy_port_ = -1; std::string proxy_basic_auth_username_; std::string proxy_basic_auth_password_; + std::string proxy_bearer_token_auth_token_; #ifdef CPPHTTPLIB_OPENSSL_SUPPORT std::string proxy_digest_auth_username_; std::string proxy_digest_auth_password_; #endif - Logger logger_; - - void copy_settings(const Client &rhs) { - client_cert_path_ = rhs.client_cert_path_; - client_key_path_ = rhs.client_key_path_; - timeout_sec_ = rhs.timeout_sec_; - read_timeout_sec_ = rhs.read_timeout_sec_; - read_timeout_usec_ = rhs.read_timeout_usec_; - keep_alive_max_count_ = rhs.keep_alive_max_count_; - basic_auth_username_ = rhs.basic_auth_username_; - basic_auth_password_ = rhs.basic_auth_password_; #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - digest_auth_username_ = rhs.digest_auth_username_; - digest_auth_password_ = rhs.digest_auth_password_; + bool server_certificate_verification_ = true; #endif - follow_location_ = rhs.follow_location_; - compress_ = rhs.compress_; - interface_ = rhs.interface_; - proxy_host_ = rhs.proxy_host_; - proxy_port_ = rhs.proxy_port_; - proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; - proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; - proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; -#endif - logger_ = rhs.logger_; - } + + Logger logger_; private: socket_t create_client_socket() const; bool read_response_line(Stream &strm, Response &res); - bool write_request(Stream &strm, const Request &req, bool last_connection); + bool write_request(Stream &strm, const Request &req, bool close_connection); bool redirect(const Request &req, Response &res); bool handle_request(Stream &strm, const Request &req, Response &res, - bool last_connection, bool &connection_close); -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - bool connect(socket_t sock, Response &res, bool &error); -#endif - + bool close_connection); + void stop_core(); std::shared_ptr<Response> send_with_content_provider( const char *method, const char *path, const Headers &headers, const std::string &body, size_t content_length, ContentProvider content_provider, const char *content_type); - virtual bool process_and_close_socket( - socket_t sock, size_t request_count, - std::function<bool(Stream &strm, bool last_connection, - bool &connection_close)> - callback); - + virtual bool process_socket(Socket &socket, + std::function<bool(Stream &strm)> callback); virtual bool is_ssl() const; }; -inline void Get(std::vector<Request> &requests, const char *path, - const Headers &headers) { - Request req; - req.method = "GET"; - req.path = path; - req.headers = headers; - requests.emplace_back(std::move(req)); -} +class Client { +public: + // Universal interface + explicit Client(const char *scheme_host_port); + + explicit Client(const char *scheme_host_port, + const std::string &client_cert_path, + const std::string &client_key_path); + + // HTTP only interface + explicit Client(const std::string &host, int port); + + explicit Client(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + ~Client(); + + bool is_valid() const; + + Result Get(const char *path); + Result Get(const char *path, const Headers &headers); + Result Get(const char *path, Progress progress); + Result Get(const char *path, const Headers &headers, Progress progress); + Result Get(const char *path, ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver); + Result Get(const char *path, ContentReceiver content_receiver, + Progress progress); + Result Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, Progress progress); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const char *path, const Headers &headers, + ResponseHandler response_handler, ContentReceiver content_receiver, + Progress progress); + Result Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress); + + Result Head(const char *path); + Result Head(const char *path, const Headers &headers); + + Result Post(const char *path); + Result Post(const char *path, const std::string &body, + const char *content_type); + Result Post(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Post(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Post(const char *path, const Params ¶ms); + Result Post(const char *path, const Headers &headers, const Params ¶ms); + Result Post(const char *path, const MultipartFormDataItems &items); + Result Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items); + Result Put(const char *path); + Result Put(const char *path, const std::string &body, + const char *content_type); + Result Put(const char *path, const Headers &headers, const std::string &body, + const char *content_type); + Result Put(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Put(const char *path, const Params ¶ms); + Result Put(const char *path, const Headers &headers, const Params ¶ms); + Result Patch(const char *path, const std::string &body, + const char *content_type); + Result Patch(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + Result Patch(const char *path, size_t content_length, + ContentProvider content_provider, const char *content_type); + Result Patch(const char *path, const Headers &headers, size_t content_length, + ContentProvider content_provider, const char *content_type); + + Result Delete(const char *path); + Result Delete(const char *path, const std::string &body, + const char *content_type); + Result Delete(const char *path, const Headers &headers); + Result Delete(const char *path, const Headers &headers, + const std::string &body, const char *content_type); + + Result Options(const char *path); + Result Options(const char *path, const Headers &headers); -inline void Get(std::vector<Request> &requests, const char *path) { - Get(requests, path, Headers()); -} + bool send(const Request &req, Response &res); -inline void Post(std::vector<Request> &requests, const char *path, - const Headers &headers, const std::string &body, - const char *content_type) { - Request req; - req.method = "POST"; - req.path = path; - req.headers = headers; - req.headers.emplace("Content-Type", content_type); - req.body = body; - requests.emplace_back(std::move(req)); -} + size_t is_socket_open() const; -inline void Post(std::vector<Request> &requests, const char *path, - const std::string &body, const char *content_type) { - Post(requests, path, Headers(), body, content_type); -} + void stop(); + + void set_default_headers(Headers headers); + + void set_tcp_nodelay(bool on); + void set_socket_options(SocketOptions socket_options); + + void set_connection_timeout(time_t sec, time_t usec = 0); + void set_read_timeout(time_t sec, time_t usec = 0); + void set_write_timeout(time_t sec, time_t usec = 0); + + void set_basic_auth(const char *username, const char *password); + void set_bearer_token_auth(const char *token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_digest_auth(const char *username, const char *password); +#endif + + void set_keep_alive(bool on); + void set_follow_location(bool on); + + void set_compress(bool on); + + void set_decompress(bool on); + + void set_interface(const char *intf); + + void set_proxy(const char *host, int port); + void set_proxy_basic_auth(const char *username, const char *password); + void set_proxy_bearer_token_auth(const char *token); +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_proxy_digest_auth(const char *username, const char *password); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void enable_server_certificate_verification(bool enabled); +#endif + + void set_logger(Logger logger); + + // SSL +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_ca_cert_path(const char *ca_cert_file_path, + const char *ca_cert_dir_path = nullptr); + + void set_ca_cert_store(X509_STORE *ca_cert_store); + + long get_openssl_verify_result() const; + + SSL_CTX *ssl_context() const; +#endif + +private: + std::shared_ptr<ClientImpl> cli_; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + bool is_ssl_ = false; +#endif +}; // namespace httplib #ifdef CPPHTTPLIB_OPENSSL_SUPPORT class SSLServer : public Server { @@ -845,43 +1112,58 @@ public: const char *client_ca_cert_file_path = nullptr, const char *client_ca_cert_dir_path = nullptr); - virtual ~SSLServer(); + SSLServer(X509 *cert, EVP_PKEY *private_key, + X509_STORE *client_ca_cert_store = nullptr); - virtual bool is_valid() const; + ~SSLServer() override; + + bool is_valid() const override; private: - virtual bool process_and_close_socket(socket_t sock); + bool process_and_close_socket(socket_t sock) override; SSL_CTX *ctx_; std::mutex ctx_mutex_; }; -class SSLClient : public Client { +class SSLClient : public ClientImpl { public: - SSLClient(const std::string &host, int port = 443, - const std::string &client_cert_path = std::string(), - const std::string &client_key_path = std::string()); + explicit SSLClient(const std::string &host); - virtual ~SSLClient(); + explicit SSLClient(const std::string &host, int port); - virtual bool is_valid() const; + explicit SSLClient(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path); + + explicit SSLClient(const std::string &host, int port, X509 *client_cert, + EVP_PKEY *client_key); - void set_ca_cert_path(const char *ca_ceert_file_path, + ~SSLClient() override; + + bool is_valid() const override; + + void set_ca_cert_path(const char *ca_cert_file_path, const char *ca_cert_dir_path = nullptr); - void enable_server_certificate_verification(bool enabled); + void set_ca_cert_store(X509_STORE *ca_cert_store); long get_openssl_verify_result() const; - SSL_CTX *ssl_context() const noexcept; + SSL_CTX *ssl_context() const; private: - virtual bool process_and_close_socket( - socket_t sock, size_t request_count, - std::function<bool(Stream &strm, bool last_connection, - bool &connection_close)> - callback); - virtual bool is_ssl() const; + bool create_and_connect_socket(Socket &socket) override; + void close_socket(Socket &socket, bool process_socket_ret) override; + + bool process_socket(Socket &socket, + std::function<bool(Stream &strm)> callback) override; + bool is_ssl() const override; + + bool connect_with_proxy(Socket &sock, Response &res, bool &success); + bool initialize_ssl(Socket &socket); + + bool load_certs(); bool verify_host(X509 *server_cert) const; bool verify_host_with_subject_alt_name(X509 *server_cert) const; @@ -890,12 +1172,15 @@ private: SSL_CTX *ctx_; std::mutex ctx_mutex_; + std::once_flag initialize_cert_; + std::vector<std::string> host_components_; std::string ca_cert_file_path_; std::string ca_cert_dir_path_; - bool server_certificate_verification_ = false; long verify_result_ = 0; + + friend class ClientImpl; }; #endif @@ -948,31 +1233,39 @@ inline std::string from_i_to_hex(size_t n) { return ret; } +inline bool start_with(const std::string &a, const std::string &b) { + if (a.size() < b.size()) { return false; } + for (size_t i = 0; i < b.size(); i++) { + if (::tolower(a[i]) != ::tolower(b[i])) { return false; } + } + return true; +} + inline size_t to_utf8(int code, char *buff) { if (code < 0x0080) { buff[0] = (code & 0x7F); return 1; } else if (code < 0x0800) { - buff[0] = (0xC0 | ((code >> 6) & 0x1F)); - buff[1] = (0x80 | (code & 0x3F)); + buff[0] = static_cast<char>(0xC0 | ((code >> 6) & 0x1F)); + buff[1] = static_cast<char>(0x80 | (code & 0x3F)); return 2; } else if (code < 0xD800) { - buff[0] = (0xE0 | ((code >> 12) & 0xF)); - buff[1] = (0x80 | ((code >> 6) & 0x3F)); - buff[2] = (0x80 | (code & 0x3F)); + buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast<char>(0x80 | (code & 0x3F)); return 3; } else if (code < 0xE000) { // D800 - DFFF is invalid... return 0; } else if (code < 0x10000) { - buff[0] = (0xE0 | ((code >> 12) & 0xF)); - buff[1] = (0x80 | ((code >> 6) & 0x3F)); - buff[2] = (0x80 | (code & 0x3F)); + buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast<char>(0x80 | (code & 0x3F)); return 3; } else if (code < 0x110000) { - buff[0] = (0xF0 | ((code >> 18) & 0x7)); - buff[1] = (0x80 | ((code >> 12) & 0x3F)); - buff[2] = (0x80 | ((code >> 6) & 0x3F)); - buff[3] = (0x80 | (code & 0x3F)); + buff[0] = static_cast<char>(0xF0 | ((code >> 18) & 0x7)); + buff[1] = static_cast<char>(0x80 | ((code >> 12) & 0x3F)); + buff[2] = static_cast<char>(0x80 | ((code >> 6) & 0x3F)); + buff[3] = static_cast<char>(0x80 | (code & 0x3F)); return 4; } @@ -992,8 +1285,8 @@ inline std::string base64_encode(const std::string &in) { int val = 0; int valb = -6; - for (uint8_t c : in) { - val = (val << 8) + c; + for (auto c : in) { + val = (val << 8) + static_cast<uint8_t>(c); valb += 8; while (valb >= 0) { out.push_back(lookup[(val >> valb) & 0x3F]); @@ -1057,13 +1350,81 @@ inline bool is_valid_path(const std::string &path) { return true; } +inline std::string encode_url(const std::string &s) { + std::string result; + + for (size_t i = 0; s[i]; i++) { + switch (s[i]) { + case ' ': result += "%20"; break; + case '+': result += "%2B"; break; + case '\r': result += "%0D"; break; + case '\n': result += "%0A"; break; + case '\'': result += "%27"; break; + case ',': result += "%2C"; break; + // case ':': result += "%3A"; break; // ok? probably... + case ';': result += "%3B"; break; + default: + auto c = static_cast<uint8_t>(s[i]); + if (c >= 0x80) { + result += '%'; + char hex[4]; + auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); + assert(len == 2); + result.append(hex, static_cast<size_t>(len)); + } else { + result += s[i]; + } + break; + } + } + + return result; +} + +inline std::string decode_url(const std::string &s, + bool convert_plus_to_space) { + std::string result; + + for (size_t i = 0; i < s.size(); i++) { + if (s[i] == '%' && i + 1 < s.size()) { + if (s[i + 1] == 'u') { + int val = 0; + if (from_hex_to_i(s, i + 2, 4, val)) { + // 4 digits Unicode codes + char buff[4]; + size_t len = to_utf8(val, buff); + if (len > 0) { result.append(buff, len); } + i += 5; // 'u0000' + } else { + result += s[i]; + } + } else { + int val = 0; + if (from_hex_to_i(s, i + 1, 2, val)) { + // 2 digits hex codes + result += static_cast<char>(val); + i += 2; // '00' + } else { + result += s[i]; + } + } + } else if (convert_plus_to_space && s[i] == '+') { + result += ' '; + } else { + result += s[i]; + } + } + + return result; +} + inline void read_file(const std::string &path, std::string &out) { std::ifstream fs(path, std::ios_base::binary); fs.seekg(0, std::ios_base::end); auto size = fs.tellg(); fs.seekg(0); out.resize(static_cast<size_t>(size)); - fs.read(&out[0], size); + fs.read(&out[0], static_cast<std::streamsize>(size)); } inline std::string file_extension(const std::string &path) { @@ -1073,19 +1434,41 @@ inline std::string file_extension(const std::string &path) { return std::string(); } +inline bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; } + +inline std::pair<size_t, size_t> trim(const char *b, const char *e, size_t left, + size_t right) { + while (b + left < e && is_space_or_tab(b[left])) { + left++; + } + while (right > 0 && is_space_or_tab(b[right - 1])) { + right--; + } + return std::make_pair(left, right); +} + +inline std::string trim_copy(const std::string &s) { + auto r = trim(s.data(), s.data() + s.size(), 0, s.size()); + return s.substr(r.first, r.second - r.first); +} + template <class Fn> void split(const char *b, const char *e, char d, Fn fn) { - int i = 0; - int beg = 0; + size_t i = 0; + size_t beg = 0; - while (e ? (b + i != e) : (b[i] != '\0')) { + while (e ? (b + i < e) : (b[i] != '\0')) { if (b[i] == d) { - fn(&b[beg], &b[i]); + auto r = trim(b, e, beg, i); + if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } beg = i + 1; } i++; } - if (i) { fn(&b[beg], &b[i]); } + if (i) { + auto r = trim(b, e, beg, i); + if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } + } } // NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer` @@ -1172,7 +1555,17 @@ inline int close_socket(socket_t sock) { #endif } -inline int select_read(socket_t sock, time_t sec, time_t usec) { +template <typename T> inline ssize_t handle_EINTR(T fn) { + ssize_t res = false; + while (true) { + res = fn(); + if (res < 0 && errno == EINTR) { continue; } + break; + } + return res; +} + +inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) { #ifdef CPPHTTPLIB_USE_POLL struct pollfd pfd_read; pfd_read.fd = sock; @@ -1180,7 +1573,7 @@ inline int select_read(socket_t sock, time_t sec, time_t usec) { auto timeout = static_cast<int>(sec * 1000 + usec / 1000); - return poll(&pfd_read, 1, timeout); + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); #else fd_set fds; FD_ZERO(&fds); @@ -1188,13 +1581,15 @@ inline int select_read(socket_t sock, time_t sec, time_t usec) { timeval tv; tv.tv_sec = static_cast<long>(sec); - tv.tv_usec = static_cast<long>(usec); + tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec); - return select(static_cast<int>(sock + 1), &fds, nullptr, nullptr, &tv); + return handle_EINTR([&]() { + return select(static_cast<int>(sock + 1), &fds, nullptr, nullptr, &tv); + }); #endif } -inline int select_write(socket_t sock, time_t sec, time_t usec) { +inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) { #ifdef CPPHTTPLIB_USE_POLL struct pollfd pfd_read; pfd_read.fd = sock; @@ -1202,7 +1597,7 @@ inline int select_write(socket_t sock, time_t sec, time_t usec) { auto timeout = static_cast<int>(sec * 1000 + usec / 1000); - return poll(&pfd_read, 1, timeout); + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); #else fd_set fds; FD_ZERO(&fds); @@ -1210,9 +1605,11 @@ inline int select_write(socket_t sock, time_t sec, time_t usec) { timeval tv; tv.tv_sec = static_cast<long>(sec); - tv.tv_usec = static_cast<long>(usec); + tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec); - return select(static_cast<int>(sock + 1), nullptr, &fds, nullptr, &tv); + return handle_EINTR([&]() { + return select(static_cast<int>(sock + 1), nullptr, &fds, nullptr, &tv); + }); #endif } @@ -1224,13 +1621,14 @@ inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { auto timeout = static_cast<int>(sec * 1000 + usec / 1000); - if (poll(&pfd_read, 1, timeout) > 0 && - pfd_read.revents & (POLLIN | POLLOUT)) { + auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); + + if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) { int error = 0; socklen_t len = sizeof(error); - return getsockopt(sock, SOL_SOCKET, SO_ERROR, - reinterpret_cast<char *>(&error), &len) >= 0 && - !error; + auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, + reinterpret_cast<char *>(&error), &len); + return res >= 0 && !error; } return false; #else @@ -1243,10 +1641,13 @@ inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { timeval tv; tv.tv_sec = static_cast<long>(sec); - tv.tv_usec = static_cast<long>(usec); + tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec); + + auto ret = handle_EINTR([&]() { + return select(static_cast<int>(sock + 1), &fdsr, &fdsw, &fdse, &tv); + }); - if (select(static_cast<int>(sock + 1), &fdsr, &fdsw, &fdse, &tv) > 0 && - (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { + if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { int error = 0; socklen_t len = sizeof(error); return getsockopt(sock, SOL_SOCKET, SO_ERROR, @@ -1259,40 +1660,45 @@ inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { class SocketStream : public Stream { public: - SocketStream(socket_t sock, time_t read_timeout_sec, - time_t read_timeout_usec); + SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec, + time_t write_timeout_sec, time_t write_timeout_usec); ~SocketStream() override; bool is_readable() const override; bool is_writable() const override; - int read(char *ptr, size_t size) override; - int write(const char *ptr, size_t size) override; - std::string get_remote_addr() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; private: socket_t sock_; time_t read_timeout_sec_; time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; }; #ifdef CPPHTTPLIB_OPENSSL_SUPPORT class SSLSocketStream : public Stream { public: SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, - time_t read_timeout_usec); - virtual ~SSLSocketStream(); + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec); + ~SSLSocketStream() override; bool is_readable() const override; bool is_writable() const override; - int read(char *ptr, size_t size) override; - int write(const char *ptr, size_t size) override; - std::string get_remote_addr() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; private: socket_t sock_; SSL *ssl_; time_t read_timeout_sec_; time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; }; #endif @@ -1303,58 +1709,76 @@ public: bool is_readable() const override; bool is_writable() const override; - int read(char *ptr, size_t size) override; - int write(const char *ptr, size_t size) override; - std::string get_remote_addr() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; const std::string &get_buffer() const; private: std::string buffer; - int position = 0; + size_t position = 0; }; +inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { + using namespace std::chrono; + auto start = steady_clock::now(); + while (true) { + auto val = select_read(sock, 0, 10000); + if (val < 0) { + return false; + } else if (val == 0) { + auto current = steady_clock::now(); + auto duration = duration_cast<milliseconds>(current - start); + auto timeout = keep_alive_timeout_sec * 1000; + if (duration.count() > timeout) { return false; } + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + } else { + return true; + } + } +} + template <typename T> -inline bool process_socket(bool is_client_request, socket_t sock, - size_t keep_alive_max_count, time_t read_timeout_sec, - time_t read_timeout_usec, T callback) { +inline bool +process_server_socket_core(socket_t sock, size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, T callback) { assert(keep_alive_max_count > 0); - auto ret = false; - - if (keep_alive_max_count > 1) { - auto count = keep_alive_max_count; - while (count > 0 && - (is_client_request || - select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, - CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { - SocketStream strm(sock, read_timeout_sec, read_timeout_usec); - auto last_connection = count == 1; - auto connection_close = false; - - ret = callback(strm, last_connection, connection_close); - if (!ret || connection_close) { break; } - - count--; - } - } else { // keep_alive_max_count is 0 or 1 - SocketStream strm(sock, read_timeout_sec, read_timeout_usec); - auto dummy_connection_close = false; - ret = callback(strm, true, dummy_connection_close); + auto count = keep_alive_max_count; + while (count > 0 && keep_alive(sock, keep_alive_timeout_sec)) { + auto close_connection = count == 1; + auto connection_closed = false; + ret = callback(close_connection, connection_closed); + if (!ret || connection_closed) { break; } + count--; } - return ret; } template <typename T> -inline bool process_and_close_socket(bool is_client_request, socket_t sock, - size_t keep_alive_max_count, - time_t read_timeout_sec, - time_t read_timeout_usec, T callback) { - auto ret = process_socket(is_client_request, sock, keep_alive_max_count, - read_timeout_sec, read_timeout_usec, callback); - close_socket(sock); - return ret; +inline bool +process_server_socket(socket_t sock, size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + return process_server_socket_core( + sock, keep_alive_max_count, keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} + +template <typename T> +inline bool process_client_socket(socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm); } inline int shutdown_socket(socket_t sock) { @@ -1365,18 +1789,10 @@ inline int shutdown_socket(socket_t sock) { #endif } -template <typename Fn> -socket_t create_socket(const char *host, int port, Fn fn, - int socket_flags = 0) { -#ifdef _WIN32 -#define SO_SYNCHRONOUS_NONALERT 0x20 -#define SO_OPENTYPE 0x7008 - - int opt = SO_SYNCHRONOUS_NONALERT; - setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (char *)&opt, - sizeof(opt)); -#endif - +template <typename BindOrConnect> +socket_t create_socket(const char *host, int port, int socket_flags, + bool tcp_nodelay, SocketOptions socket_options, + BindOrConnect bind_or_connect) { // Get address info struct addrinfo hints; struct addrinfo *result; @@ -1390,6 +1806,9 @@ socket_t create_socket(const char *host, int port, Fn fn, auto service = std::to_string(port); if (getaddrinfo(host, service.c_str(), &hints, &result)) { +#ifdef __linux__ + res_init(); +#endif return INVALID_SOCKET; } @@ -1424,17 +1843,22 @@ socket_t create_socket(const char *host, int port, Fn fn, if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { continue; } #endif - // Make 'reuse address' option available - int yes = 1; - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast<char *>(&yes), - sizeof(yes)); -#ifdef SO_REUSEPORT - setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast<char *>(&yes), - sizeof(yes)); -#endif + if (tcp_nodelay) { + int yes = 1; + setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<char *>(&yes), + sizeof(yes)); + } + + if (socket_options) { socket_options(sock); } + + if (rp->ai_family == AF_INET6) { + int no = 0; + setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<char *>(&no), + sizeof(no)); + } // bind or connect - if (fn(sock, *rp)) { + if (bind_or_connect(sock, *rp)) { freeaddrinfo(result); return sock; } @@ -1479,7 +1903,7 @@ inline bool bind_ip_address(socket_t sock, const char *host) { auto ret = false; for (auto rp = result; rp; rp = rp->ai_next) { const auto &ai = *rp; - if (!::bind(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen))) { + if (!::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) { ret = true; break; } @@ -1489,8 +1913,12 @@ inline bool bind_ip_address(socket_t sock, const char *host) { return ret; } +#if !defined _WIN32 && !defined ANDROID +#define USE_IF2IP +#endif + +#ifdef USE_IF2IP inline std::string if2ip(const std::string &ifn) { -#ifndef _WIN32 struct ifaddrs *ifap; getifaddrs(&ifap); for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { @@ -1506,51 +1934,83 @@ inline std::string if2ip(const std::string &ifn) { } } freeifaddrs(ifap); -#endif return std::string(); } +#endif inline socket_t create_client_socket(const char *host, int port, - time_t timeout_sec, - const std::string &intf) { - return create_socket( - host, port, [&](socket_t sock, struct addrinfo &ai) -> bool { + bool tcp_nodelay, + SocketOptions socket_options, + time_t timeout_sec, time_t timeout_usec, + const std::string &intf, Error &error) { + auto sock = create_socket( + host, port, 0, tcp_nodelay, socket_options, + [&](socket_t sock, struct addrinfo &ai) -> bool { if (!intf.empty()) { +#ifdef USE_IF2IP auto ip = if2ip(intf); if (ip.empty()) { ip = intf; } - if (!bind_ip_address(sock, ip.c_str())) { return false; } + if (!bind_ip_address(sock, ip.c_str())) { + error = Error::BindIPAddress; + return false; + } +#endif } set_nonblocking(sock, true); - auto ret = ::connect(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen)); + auto ret = + ::connect(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen)); + if (ret < 0) { if (is_connection_error() || - !wait_until_socket_is_ready(sock, timeout_sec, 0)) { + !wait_until_socket_is_ready(sock, timeout_sec, timeout_usec)) { close_socket(sock); + error = Error::Connection; return false; } } set_nonblocking(sock, false); + error = Error::Success; return true; }); -} -inline std::string get_remote_addr(socket_t sock) { - struct sockaddr_storage addr; - socklen_t len = sizeof(addr); + if (sock != INVALID_SOCKET) { + error = Error::Success; + } else { + if (error == Error::Success) { error = Error::Connection; } + } - if (!getpeername(sock, reinterpret_cast<struct sockaddr *>(&addr), &len)) { - std::array<char, NI_MAXHOST> ipstr{}; + return sock; +} - if (!getnameinfo(reinterpret_cast<struct sockaddr *>(&addr), len, - ipstr.data(), static_cast<unsigned int>(ipstr.size()), nullptr, 0, NI_NUMERICHOST)) { - return ipstr.data(); - } +inline void get_remote_ip_and_port(const struct sockaddr_storage &addr, + socklen_t addr_len, std::string &ip, + int &port) { + if (addr.ss_family == AF_INET) { + port = ntohs(reinterpret_cast<const struct sockaddr_in *>(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + port = + ntohs(reinterpret_cast<const struct sockaddr_in6 *>(&addr)->sin6_port); } - return std::string(); + std::array<char, NI_MAXHOST> ipstr{}; + if (!getnameinfo(reinterpret_cast<const struct sockaddr *>(&addr), addr_len, + ipstr.data(), static_cast<socklen_t>(ipstr.size()), nullptr, + 0, NI_NUMERICHOST)) { + ip = ipstr.data(); + } +} + +inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + + if (!getpeername(sock, reinterpret_cast<struct sockaddr *>(&addr), + &addr_len)) { + get_remote_ip_and_port(addr, addr_len, ip, port); + } } inline const char * @@ -1596,121 +2056,336 @@ find_content_type(const std::string &path, inline const char *status_message(int status) { switch (status) { case 100: return "Continue"; + case 101: return "Switching Protocol"; + case 102: return "Processing"; + case 103: return "Early Hints"; case 200: return "OK"; + case 201: return "Created"; case 202: return "Accepted"; + case 203: return "Non-Authoritative Information"; case 204: return "No Content"; + case 205: return "Reset Content"; case 206: return "Partial Content"; + case 207: return "Multi-Status"; + case 208: return "Already Reported"; + case 226: return "IM Used"; + case 300: return "Multiple Choice"; case 301: return "Moved Permanently"; case 302: return "Found"; case 303: return "See Other"; case 304: return "Not Modified"; + case 305: return "Use Proxy"; + case 306: return "unused"; + case 307: return "Temporary Redirect"; + case 308: return "Permanent Redirect"; case 400: return "Bad Request"; case 401: return "Unauthorized"; + case 402: return "Payment Required"; case 403: return "Forbidden"; case 404: return "Not Found"; + case 405: return "Method Not Allowed"; + case 406: return "Not Acceptable"; + case 407: return "Proxy Authentication Required"; + case 408: return "Request Timeout"; + case 409: return "Conflict"; + case 410: return "Gone"; + case 411: return "Length Required"; + case 412: return "Precondition Failed"; case 413: return "Payload Too Large"; - case 414: return "Request-URI Too Long"; + case 414: return "URI Too Long"; case 415: return "Unsupported Media Type"; case 416: return "Range Not Satisfiable"; case 417: return "Expectation Failed"; + case 418: return "I'm a teapot"; + case 421: return "Misdirected Request"; + case 422: return "Unprocessable Entity"; + case 423: return "Locked"; + case 424: return "Failed Dependency"; + case 425: return "Too Early"; + case 426: return "Upgrade Required"; + case 428: return "Precondition Required"; + case 429: return "Too Many Requests"; + case 431: return "Request Header Fields Too Large"; + case 451: return "Unavailable For Legal Reasons"; + case 501: return "Not Implemented"; + case 502: return "Bad Gateway"; case 503: return "Service Unavailable"; + case 504: return "Gateway Timeout"; + case 505: return "HTTP Version Not Supported"; + case 506: return "Variant Also Negotiates"; + case 507: return "Insufficient Storage"; + case 508: return "Loop Detected"; + case 510: return "Not Extended"; + case 511: return "Network Authentication Required"; default: case 500: return "Internal Server Error"; } } -#ifdef CPPHTTPLIB_ZLIB_SUPPORT -inline bool can_compress(const std::string &content_type) { - return !content_type.find("text/") || content_type == "image/svg+xml" || +inline bool can_compress_content_type(const std::string &content_type) { + return (!content_type.find("text/") && content_type != "text/event-stream") || + content_type == "image/svg+xml" || content_type == "application/javascript" || content_type == "application/json" || content_type == "application/xml" || content_type == "application/xhtml+xml"; } -inline bool compress(std::string &content) { - z_stream strm; - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; +enum class EncodingType { None = 0, Gzip, Brotli }; - auto ret = deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, - Z_DEFAULT_STRATEGY); - if (ret != Z_OK) { return false; } +inline EncodingType encoding_type(const Request &req, const Response &res) { + auto ret = + detail::can_compress_content_type(res.get_header_value("Content-Type")); + if (!ret) { return EncodingType::None; } - strm.avail_in = content.size(); - strm.next_in = - const_cast<Bytef *>(reinterpret_cast<const Bytef *>(content.data())); + const auto &s = req.get_header_value("Accept-Encoding"); + (void)(s); - std::string compressed; +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + // TODO: 'Accept-Encoding' has br, not br;q=0 + ret = s.find("br") != std::string::npos; + if (ret) { return EncodingType::Brotli; } +#endif - std::array<char, 16384> buff{}; - do { - strm.avail_out = buff.size(); - strm.next_out = reinterpret_cast<Bytef *>(buff.data()); - ret = deflate(&strm, Z_FINISH); - assert(ret != Z_STREAM_ERROR); - compressed.append(buff.data(), buff.size() - strm.avail_out); - } while (strm.avail_out == 0); +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + // TODO: 'Accept-Encoding' has gzip, not gzip;q=0 + ret = s.find("gzip") != std::string::npos; + if (ret) { return EncodingType::Gzip; } +#endif - assert(ret == Z_STREAM_END); - assert(strm.avail_in == 0); + return EncodingType::None; +} - content.swap(compressed); +class compressor { +public: + virtual ~compressor(){}; - deflateEnd(&strm); - return true; -} + typedef std::function<bool(const char *data, size_t data_len)> Callback; + virtual bool compress(const char *data, size_t data_length, bool last, + Callback callback) = 0; +}; class decompressor { public: - decompressor() { - strm.zalloc = Z_NULL; - strm.zfree = Z_NULL; - strm.opaque = Z_NULL; + virtual ~decompressor() {} + + virtual bool is_valid() const = 0; + + typedef std::function<bool(const char *data, size_t data_len)> Callback; + virtual bool decompress(const char *data, size_t data_length, + Callback callback) = 0; +}; + +class nocompressor : public compressor { +public: + ~nocompressor(){}; + + bool compress(const char *data, size_t data_length, bool /*last*/, + Callback callback) override { + if (!data_length) { return true; } + return callback(data, data_length); + } +}; + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +class gzip_compressor : public compressor { +public: + gzip_compressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; + + is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, + Z_DEFAULT_STRATEGY) == Z_OK; + } + + ~gzip_compressor() { deflateEnd(&strm_); } + + bool compress(const char *data, size_t data_length, bool last, + Callback callback) override { + assert(is_valid_); + + auto flush = last ? Z_FINISH : Z_NO_FLUSH; + + strm_.avail_in = static_cast<decltype(strm_.avail_in)>(data_length); + strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data)); + + int ret = Z_OK; + + std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; + do { + strm_.avail_out = buff.size(); + strm_.next_out = reinterpret_cast<Bytef *>(buff.data()); + + ret = deflate(&strm_, flush); + assert(ret != Z_STREAM_ERROR); + + if (!callback(buff.data(), buff.size() - strm_.avail_out)) { + return false; + } + } while (strm_.avail_out == 0); + + assert((last && ret == Z_STREAM_END) || (!last && ret == Z_OK)); + assert(strm_.avail_in == 0); + return true; + } + +private: + bool is_valid_ = false; + z_stream strm_; +}; + +class gzip_decompressor : public decompressor { +public: + gzip_decompressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; // 15 is the value of wbits, which should be at the maximum possible value - // to ensure that any gzip stream can be decoded. The offset of 16 specifies - // that the stream to decompress will be formatted with a gzip wrapper. - is_valid_ = inflateInit2(&strm, 16 + 15) == Z_OK; + // to ensure that any gzip stream can be decoded. The offset of 32 specifies + // that the stream type should be automatically detected either gzip or + // deflate. + is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK; } - ~decompressor() { inflateEnd(&strm); } + ~gzip_decompressor() { inflateEnd(&strm_); } - bool is_valid() const { return is_valid_; } + bool is_valid() const override { return is_valid_; } + + bool decompress(const char *data, size_t data_length, + Callback callback) override { + assert(is_valid_); - template <typename T> - bool decompress(const char *data, size_t data_length, T callback) { int ret = Z_OK; - strm.avail_in = data_length; - strm.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data)); + strm_.avail_in = static_cast<decltype(strm_.avail_in)>(data_length); + strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data)); - std::array<char, 16384> buff{}; - do { - strm.avail_out = buff.size(); - strm.next_out = reinterpret_cast<Bytef *>(buff.data()); + std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; + while (strm_.avail_in > 0) { + strm_.avail_out = buff.size(); + strm_.next_out = reinterpret_cast<Bytef *>(buff.data()); - ret = inflate(&strm, Z_NO_FLUSH); + ret = inflate(&strm_, Z_NO_FLUSH); assert(ret != Z_STREAM_ERROR); switch (ret) { case Z_NEED_DICT: case Z_DATA_ERROR: - case Z_MEM_ERROR: inflateEnd(&strm); return false; + case Z_MEM_ERROR: inflateEnd(&strm_); return false; } - if (!callback(buff.data(), buff.size() - strm.avail_out)) { + if (!callback(buff.data(), buff.size() - strm_.avail_out)) { return false; } - } while (strm.avail_out == 0); + } return ret == Z_OK || ret == Z_STREAM_END; } private: - bool is_valid_; - z_stream strm; + bool is_valid_ = false; + z_stream strm_; +}; +#endif + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +class brotli_compressor : public compressor { +public: + brotli_compressor() { + state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr); + } + + ~brotli_compressor() { BrotliEncoderDestroyInstance(state_); } + + bool compress(const char *data, size_t data_length, bool last, + Callback callback) override { + std::array<uint8_t, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; + + auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS; + auto available_in = data_length; + auto next_in = reinterpret_cast<const uint8_t *>(data); + + for (;;) { + if (last) { + if (BrotliEncoderIsFinished(state_)) { break; } + } else { + if (!available_in) { break; } + } + + auto available_out = buff.size(); + auto next_out = buff.data(); + + if (!BrotliEncoderCompressStream(state_, operation, &available_in, + &next_in, &available_out, &next_out, + nullptr)) { + return false; + } + + auto output_bytes = buff.size() - available_out; + if (output_bytes) { + callback(reinterpret_cast<const char *>(buff.data()), output_bytes); + } + } + + return true; + } + +private: + BrotliEncoderState *state_ = nullptr; +}; + +class brotli_decompressor : public decompressor { +public: + brotli_decompressor() { + decoder_s = BrotliDecoderCreateInstance(0, 0, 0); + decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT + : BROTLI_DECODER_RESULT_ERROR; + } + + ~brotli_decompressor() { + if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); } + } + + bool is_valid() const override { return decoder_s; } + + bool decompress(const char *data, size_t data_length, + Callback callback) override { + if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS || + decoder_r == BROTLI_DECODER_RESULT_ERROR) { + return 0; + } + + const uint8_t *next_in = (const uint8_t *)data; + size_t avail_in = data_length; + size_t total_out; + + decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; + + std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; + while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { + char *next_out = buff.data(); + size_t avail_out = buff.size(); + + decoder_r = BrotliDecoderDecompressStream( + decoder_s, &avail_in, &next_in, &avail_out, + reinterpret_cast<uint8_t **>(&next_out), &total_out); + + if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; } + + if (!callback(buff.data(), buff.size() - avail_out)) { return false; } + } + + return decoder_r == BROTLI_DECODER_RESULT_SUCCESS || + decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; + } + +private: + BrotliDecoderResult decoder_r; + BrotliDecoderState *decoder_s = nullptr; }; #endif @@ -1720,21 +2395,60 @@ inline bool has_header(const Headers &headers, const char *key) { inline const char *get_header_value(const Headers &headers, const char *key, size_t id = 0, const char *def = nullptr) { - auto it = headers.find(key); - std::advance(it, id); - if (it != headers.end()) { return it->second.c_str(); } + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast<ssize_t>(id)); + if (it != rng.second) { return it->second.c_str(); } return def; } -inline uint64_t get_header_value_uint64(const Headers &headers, const char *key, - int def = 0) { - auto it = headers.find(key); - if (it != headers.end()) { +template <typename T> +inline T get_header_value(const Headers & /*headers*/, const char * /*key*/, + size_t /*id*/ = 0, uint64_t /*def*/ = 0) {} + +template <> +inline uint64_t get_header_value<uint64_t>(const Headers &headers, + const char *key, size_t id, + uint64_t def) { + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast<ssize_t>(id)); + if (it != rng.second) { return std::strtoull(it->second.data(), nullptr, 10); } return def; } +template <typename T> +inline bool parse_header(const char *beg, const char *end, T fn) { + // Skip trailing spaces and tabs. + while (beg < end && is_space_or_tab(end[-1])) { + end--; + } + + auto p = beg; + while (p < end && *p != ':') { + p++; + } + + if (p == end) { return false; } + + auto key_end = p; + + if (*p++ != ':') { return false; } + + while (p < end && is_space_or_tab(*p)) { + p++; + } + + if (p < end) { + fn(std::string(beg, key_end), decode_url(std::string(p, end), false)); + return true; + } + + return false; +} + inline bool read_headers(Stream &strm, Headers &headers) { const auto bufsiz = 2048; char buf[bufsiz]; @@ -1751,24 +2465,13 @@ inline bool read_headers(Stream &strm, Headers &headers) { continue; // Skip invalid line. } - // Skip trailing spaces and tabs. + // Exclude CRLF auto end = line_reader.ptr() + line_reader.size() - 2; - while (line_reader.ptr() < end && (end[-1] == ' ' || end[-1] == '\t')) { - end--; - } - // Horizontal tab and ' ' are considered whitespace and are ignored when on - // the left or right side of the header value: - // - https://stackoverflow.com/questions/50179659/ - // - https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html - static const std::regex re(R"((.+?):[\t ]*(.+))"); - - std::cmatch m; - if (std::regex_match(line_reader.ptr(), end, m, re)) { - auto key = std::string(m[1]); - auto val = std::string(m[2]); - headers.emplace(key, val); - } + parse_header(line_reader.ptr(), end, + [&](std::string &&key, std::string &&val) { + headers.emplace(std::move(key), std::move(val)); + }); } return true; @@ -1781,12 +2484,12 @@ inline bool read_content_with_length(Stream &strm, uint64_t len, uint64_t r = 0; while (r < len) { auto read_len = static_cast<size_t>(len - r); - auto n = strm.read(buf, std::min(read_len, CPPHTTPLIB_RECV_BUFSIZ)); + auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); if (n <= 0) { return false; } - if (!out(buf, n)) { return false; } + if (!out(buf, static_cast<size_t>(n))) { return false; } - r += n; + r += static_cast<uint64_t>(n); if (progress) { if (!progress(r, len)) { return false; } @@ -1801,9 +2504,9 @@ inline void skip_content_with_length(Stream &strm, uint64_t len) { uint64_t r = 0; while (r < len) { auto read_len = static_cast<size_t>(len - r); - auto n = strm.read(buf, std::min(read_len, CPPHTTPLIB_RECV_BUFSIZ)); + auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); if (n <= 0) { return; } - r += n; + r += static_cast<uint64_t>(n); } } @@ -1816,7 +2519,7 @@ inline bool read_content_without_length(Stream &strm, ContentReceiver out) { } else if (n == 0) { return true; } - if (!out(buf, n)) { return false; } + if (!out(buf, static_cast<size_t>(n))) { return false; } } return true; @@ -1830,9 +2533,17 @@ inline bool read_content_chunked(Stream &strm, ContentReceiver out) { if (!line_reader.getline()) { return false; } - auto chunk_len = std::stoi(line_reader.ptr(), 0, 16); + unsigned long chunk_len; + while (true) { + char *end_ptr; + + chunk_len = std::strtoul(line_reader.ptr(), &end_ptr, 16); + + if (end_ptr == line_reader.ptr()) { return false; } + if (chunk_len == ULONG_MAX) { return false; } + + if (chunk_len == 0) { break; } - while (chunk_len > 0) { if (!read_content_with_length(strm, chunk_len, nullptr, out)) { return false; } @@ -1842,8 +2553,6 @@ inline bool read_content_chunked(Stream &strm, ContentReceiver out) { if (strcmp(line_reader.ptr(), "\r\n")) { break; } if (!line_reader.getline()) { return false; } - - chunk_len = std::stoi(line_reader.ptr(), 0, 16); } if (chunk_len == 0) { @@ -1860,62 +2569,86 @@ inline bool is_chunked_transfer_encoding(const Headers &headers) { "chunked"); } -template <typename T> -bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, - Progress progress, ContentReceiver receiver) { - - ContentReceiver out = [&](const char *buf, size_t n) { - return receiver(buf, n); - }; +template <typename T, typename U> +bool prepare_content_receiver(T &x, int &status, ContentReceiver receiver, + bool decompress, U callback) { + if (decompress) { + std::string encoding = x.get_header_value("Content-Encoding"); + std::shared_ptr<decompressor> decompressor; + if (encoding.find("gzip") != std::string::npos || + encoding.find("deflate") != std::string::npos) { #ifdef CPPHTTPLIB_ZLIB_SUPPORT - decompressor decompressor; - - if (!decompressor.is_valid()) { - status = 500; - return false; - } - - if (x.get_header_value("Content-Encoding") == "gzip") { - out = [&](const char *buf, size_t n) { - return decompressor.decompress( - buf, n, [&](const char *buf, size_t n) { return receiver(buf, n); }); - }; - } + decompressor = std::make_shared<gzip_decompressor>(); #else - if (x.get_header_value("Content-Encoding") == "gzip") { - status = 415; - return false; - } + status = 415; + return false; #endif + } else if (encoding.find("br") != std::string::npos) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + decompressor = std::make_shared<brotli_decompressor>(); +#else + status = 415; + return false; +#endif + } - auto ret = true; - auto exceed_payload_max_length = false; - - if (is_chunked_transfer_encoding(x.headers)) { - ret = read_content_chunked(strm, out); - } else if (!has_header(x.headers, "Content-Length")) { - ret = read_content_without_length(strm, out); - } else { - auto len = get_header_value_uint64(x.headers, "Content-Length", 0); - if (len > payload_max_length) { - exceed_payload_max_length = true; - skip_content_with_length(strm, len); - ret = false; - } else if (len > 0) { - ret = read_content_with_length(strm, len, progress, out); + if (decompressor) { + if (decompressor->is_valid()) { + ContentReceiver out = [&](const char *buf, size_t n) { + return decompressor->decompress( + buf, n, + [&](const char *buf, size_t n) { return receiver(buf, n); }); + }; + return callback(out); + } else { + status = 500; + return false; + } } } - if (!ret) { status = exceed_payload_max_length ? 413 : 400; } + ContentReceiver out = [&](const char *buf, size_t n) { + return receiver(buf, n); + }; + return callback(out); +} + +template <typename T> +bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, + Progress progress, ContentReceiver receiver, + bool decompress) { + return prepare_content_receiver( + x, status, receiver, decompress, [&](const ContentReceiver &out) { + auto ret = true; + auto exceed_payload_max_length = false; + + if (is_chunked_transfer_encoding(x.headers)) { + ret = read_content_chunked(strm, out); + } else if (!has_header(x.headers, "Content-Length")) { + ret = read_content_without_length(strm, out); + } else { + auto len = get_header_value<uint64_t>(x.headers, "Content-Length"); + if (len > payload_max_length) { + exceed_payload_max_length = true; + skip_content_with_length(strm, len); + ret = false; + } else if (len > 0) { + ret = read_content_with_length(strm, len, progress, out); + } + } - return ret; + if (!ret) { status = exceed_payload_max_length ? 413 : 400; } + return ret; + }); } template <typename T> -inline int write_headers(Stream &strm, const T &info, const Headers &headers) { - auto write_len = 0; +inline ssize_t write_headers(Stream &strm, const T &info, + const Headers &headers) { + ssize_t write_len = 0; for (const auto &x : info.headers) { + if (x.first == "EXCEPTION_WHAT") { continue; } auto len = strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); if (len < 0) { return len; } @@ -1933,57 +2666,150 @@ inline int write_headers(Stream &strm, const T &info, const Headers &headers) { return write_len; } +inline bool write_data(Stream &strm, const char *d, size_t l) { + size_t offset = 0; + while (offset < l) { + auto length = strm.write(d + offset, l - offset); + if (length < 0) { return false; } + offset += static_cast<size_t>(length); + } + return true; +} + +template <typename T> inline ssize_t write_content(Stream &strm, ContentProvider content_provider, - size_t offset, size_t length) { + size_t offset, size_t length, T is_shutting_down) { size_t begin_offset = offset; size_t end_offset = offset + length; - while (offset < end_offset) { - ssize_t written_length = 0; + auto ok = true; + DataSink data_sink; - DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { + data_sink.write = [&](const char *d, size_t l) { + if (ok) { offset += l; - written_length = strm.write(d, l); - }; - data_sink.done = [&](void) { written_length = -1; }; - data_sink.is_writable = [&](void) { return strm.is_writable(); }; + if (!write_data(strm, d, l)) { ok = false; } + } + }; - content_provider(offset, end_offset - offset, data_sink); - if (written_length < 0) { return written_length; } + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; + + while (offset < end_offset && !is_shutting_down()) { + if (!content_provider(offset, end_offset - offset, data_sink)) { + return -1; + } + if (!ok) { return -1; } } + return static_cast<ssize_t>(offset - begin_offset); } template <typename T> +inline ssize_t write_content_without_length(Stream &strm, + ContentProvider content_provider, + T is_shutting_down) { + size_t offset = 0; + auto data_available = true; + auto ok = true; + DataSink data_sink; + + data_sink.write = [&](const char *d, size_t l) { + if (ok) { + offset += l; + if (!write_data(strm, d, l)) { ok = false; } + } + }; + + data_sink.done = [&](void) { data_available = false; }; + + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; + + while (data_available && !is_shutting_down()) { + if (!content_provider(offset, 0, data_sink)) { return -1; } + if (!ok) { return -1; } + } + + return static_cast<ssize_t>(offset); +} + +template <typename T, typename U> inline ssize_t write_content_chunked(Stream &strm, ContentProvider content_provider, - T is_shutting_down) { + T is_shutting_down, U &compressor) { size_t offset = 0; auto data_available = true; ssize_t total_written_length = 0; - while (data_available && !is_shutting_down()) { - ssize_t written_length = 0; + auto ok = true; + DataSink data_sink; + + data_sink.write = [&](const char *d, size_t l) { + if (!ok) { return; } + + data_available = l > 0; + offset += l; + + std::string payload; + if (!compressor.compress(d, l, false, + [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + ok = false; + return; + } - DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { - data_available = l > 0; - offset += l; + if (!payload.empty()) { + // Emit chunked response header and footer for each chunk + auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (write_data(strm, chunk.data(), chunk.size())) { + total_written_length += chunk.size(); + } else { + ok = false; + return; + } + } + }; + data_sink.done = [&](void) { + if (!ok) { return; } + + data_available = false; + + std::string payload; + if (!compressor.compress(nullptr, 0, true, + [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + ok = false; + return; + } + + if (!payload.empty()) { // Emit chunked response header and footer for each chunk - auto chunk = from_i_to_hex(l) + "\r\n" + std::string(d, l) + "\r\n"; - written_length = strm.write(chunk); - }; - data_sink.done = [&](void) { - data_available = false; - written_length = strm.write("0\r\n\r\n"); - }; - data_sink.is_writable = [&](void) { return strm.is_writable(); }; + auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (write_data(strm, chunk.data(), chunk.size())) { + total_written_length += chunk.size(); + } else { + ok = false; + return; + } + } + + static const std::string done_marker("0\r\n\r\n"); + if (write_data(strm, done_marker.data(), done_marker.size())) { + total_written_length += done_marker.size(); + } else { + ok = false; + } + }; - content_provider(offset, 0, data_sink); + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; - if (written_length < 0) { return written_length; } - total_written_length += written_length; + while (data_available && !is_shutting_down()) { + if (!content_provider(offset, 0, data_sink)) { return -1; } + if (!ok) { return -1; } } + return total_written_length; } @@ -1994,6 +2820,12 @@ inline bool redirect(T &cli, const Request &req, Response &res, new_req.path = path; new_req.redirect_count -= 1; + if (res.status == 303 && (req.method != "GET" && req.method != "HEAD")) { + new_req.method = "GET"; + new_req.body.clear(); + new_req.headers.clear(); + } + Response new_res; auto ret = cli.send(new_req, new_res); @@ -2001,75 +2833,20 @@ inline bool redirect(T &cli, const Request &req, Response &res, return ret; } -inline std::string encode_url(const std::string &s) { - std::string result; - - for (auto i = 0; s[i]; i++) { - switch (s[i]) { - case ' ': result += "%20"; break; - case '+': result += "%2B"; break; - case '\r': result += "%0D"; break; - case '\n': result += "%0A"; break; - case '\'': result += "%27"; break; - case ',': result += "%2C"; break; - // case ':': result += "%3A"; break; // ok? probably... - case ';': result += "%3B"; break; - default: - auto c = static_cast<uint8_t>(s[i]); - if (c >= 0x80) { - result += '%'; - char hex[4]; - size_t len = snprintf(hex, sizeof(hex) - 1, "%02X", c); - assert(len == 2); - result.append(hex, len); - } else { - result += s[i]; - } - break; - } - } - - return result; -} - -inline std::string decode_url(const std::string &s) { - std::string result; +inline std::string params_to_query_str(const Params ¶ms) { + std::string query; - for (size_t i = 0; i < s.size(); i++) { - if (s[i] == '%' && i + 1 < s.size()) { - if (s[i + 1] == 'u') { - int val = 0; - if (from_hex_to_i(s, i + 2, 4, val)) { - // 4 digits Unicode codes - char buff[4]; - size_t len = to_utf8(val, buff); - if (len > 0) { result.append(buff, len); } - i += 5; // 'u0000' - } else { - result += s[i]; - } - } else { - int val = 0; - if (from_hex_to_i(s, i + 1, 2, val)) { - // 2 digits hex codes - result += static_cast<char>(val); - i += 2; // '00' - } else { - result += s[i]; - } - } - } else if (s[i] == '+') { - result += ' '; - } else { - result += s[i]; - } + for (auto it = params.begin(); it != params.end(); ++it) { + if (it != params.begin()) { query += "&"; } + query += it->first; + query += "="; + query += encode_url(it->second); } - - return result; + return query; } inline void parse_query_text(const std::string &s, Params ¶ms) { - split(&s[0], &s[s.size()], '&', [&](const char *b, const char *e) { + split(s.data(), s.data() + s.size(), '&', [&](const char *b, const char *e) { std::string key; std::string val; split(b, e, '=', [&](const char *b2, const char *e2) { @@ -2079,7 +2856,10 @@ inline void parse_query_text(const std::string &s, Params ¶ms) { val.assign(b2, e2); } }); - params.emplace(key, decode_url(val)); + + if (!key.empty()) { + params.emplace(decode_url(key, true), decode_url(val, true)); + } }); } @@ -2087,17 +2867,20 @@ inline bool parse_multipart_boundary(const std::string &content_type, std::string &boundary) { auto pos = content_type.find("boundary="); if (pos == std::string::npos) { return false; } - boundary = content_type.substr(pos + 9); - return true; + if (boundary.length() >= 2 && boundary.front() == '"' && + boundary.back() == '"') { + boundary = boundary.substr(1, boundary.size() - 2); + } + return !boundary.empty(); } inline bool parse_range_header(const std::string &s, Ranges &ranges) { static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); std::smatch m; if (std::regex_match(s, m, re_first_range)) { - auto pos = m.position(1); - auto len = m.length(1); + auto pos = static_cast<size_t>(m.position(1)); + auto len = static_cast<size_t>(m.length(1)); bool all_valid_ranges = true; split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { if (!all_valid_ranges) return; @@ -2128,21 +2911,21 @@ inline bool parse_range_header(const std::string &s, Ranges &ranges) { class MultipartFormDataParser { public: - MultipartFormDataParser() {} + MultipartFormDataParser() = default; - void set_boundary(const std::string &boundary) { boundary_ = boundary; } + void set_boundary(std::string &&boundary) { boundary_ = boundary; } bool is_valid() const { return is_valid_; } template <typename T, typename U> bool parse(const char *buf, size_t n, T content_callback, U header_callback) { - static const std::regex re_content_type(R"(^Content-Type:\s*(.*?)\s*$)", - std::regex_constants::icase); static const std::regex re_content_disposition( "^Content-Disposition:\\s*form-data;\\s*name=\"(.*?)\"(?:;\\s*filename=" "\"(.*?)\")?\\s*$", std::regex_constants::icase); + static const std::string dash_ = "--"; + static const std::string crlf_ = "\r\n"; buf_.append(buf, n); // TODO: performance improvement @@ -2152,10 +2935,7 @@ public: auto pattern = dash_ + boundary_ + crlf_; if (pattern.size() > buf_.size()) { return true; } auto pos = buf_.find(pattern); - if (pos != 0) { - is_done_ = true; - return false; - } + if (pos != 0) { return false; } buf_.erase(0, pattern.size()); off_ += pattern.size(); state_ = 1; @@ -2173,7 +2953,6 @@ public: if (pos == 0) { if (!header_callback(file_)) { is_valid_ = false; - is_done_ = false; return false; } buf_.erase(0, crlf_.size()); @@ -2182,12 +2961,13 @@ public: break; } - auto header = buf_.substr(0, pos); - { + static const std::string header_name = "content-type:"; + const auto header = buf_.substr(0, pos); + if (start_with(header, header_name)) { + file_.content_type = trim_copy(header.substr(header_name.size())); + } else { std::smatch m; - if (std::regex_match(header, m, re_content_type)) { - file_.content_type = m[1]; - } else if (std::regex_match(header, m, re_content_disposition)) { + if (std::regex_match(header, m, re_content_disposition)) { file_.name = m[1]; file_.filename = m[2]; } @@ -2197,6 +2977,7 @@ public: off_ += pos + crlf_.size(); pos = buf_.find(crlf_); } + if (state_ != 3) { return true; } break; } case 3: { // Body @@ -2205,10 +2986,17 @@ public: if (pattern.size() > buf_.size()) { return true; } auto pos = buf_.find(pattern); - if (pos == std::string::npos) { pos = buf_.size(); } + if (pos == std::string::npos) { + pos = buf_.size(); + while (pos > 0) { + auto c = buf_[pos - 1]; + if (c != '\r' && c != '\n' && c != '-') { break; } + pos--; + } + } + if (!content_callback(buf_.data(), pos)) { is_valid_ = false; - is_done_ = false; return false; } @@ -2224,7 +3012,6 @@ public: if (pos != std::string::npos) { if (!content_callback(buf_.data(), pos)) { is_valid_ = false; - is_done_ = false; return false; } @@ -2234,7 +3021,6 @@ public: } else { if (!content_callback(buf_.data(), pattern.size())) { is_valid_ = false; - is_done_ = false; return false; } @@ -2246,20 +3032,19 @@ public: } case 4: { // Boundary if (crlf_.size() > buf_.size()) { return true; } - if (buf_.find(crlf_) == 0) { + if (buf_.compare(0, crlf_.size(), crlf_) == 0) { buf_.erase(0, crlf_.size()); off_ += crlf_.size(); state_ = 1; } else { auto pattern = dash_ + crlf_; if (pattern.size() > buf_.size()) { return true; } - if (buf_.find(pattern) == 0) { + if (buf_.compare(0, pattern.size(), pattern) == 0) { buf_.erase(0, pattern.size()); off_ += pattern.size(); is_valid_ = true; state_ = 5; } else { - is_done_ = true; return true; } } @@ -2282,14 +3067,11 @@ private: file_.content_type.clear(); } - const std::string dash_ = "--"; - const std::string crlf_ = "\r\n"; std::string boundary_; std::string buf_; size_t state_ = 0; - size_t is_valid_ = false; - size_t is_done_ = false; + bool is_valid_ = false; size_t off_ = 0; MultipartFormData file_; }; @@ -2329,12 +3111,14 @@ get_range_offset_and_length(const Request &req, size_t content_length, return std::make_pair(0, content_length); } + auto slen = static_cast<ssize_t>(content_length); + if (r.first == -1) { - r.first = content_length - r.second; - r.second = content_length - 1; + r.first = slen - r.second; + r.second = slen - 1; } - if (r.second == -1) { r.second = content_length - 1; } + if (r.second == -1) { r.second = slen - 1; } return std::make_pair(r.first, r.second - r.first + 1); } @@ -2420,16 +3204,19 @@ get_multipart_ranges_data_length(const Request &req, Response &res, return data_length; } +template <typename T> inline bool write_multipart_ranges_data(Stream &strm, const Request &req, Response &res, const std::string &boundary, - const std::string &content_type) { + const std::string &content_type, + T is_shutting_down) { return process_multipart_ranges_data( req, res, boundary, content_type, [&](const std::string &token) { strm.write(token); }, [&](const char *token) { strm.write(token); }, [&](size_t offset, size_t length) { - return write_content(strm, res.content_provider, offset, length) >= 0; + return write_content(strm, res.content_provider_, offset, length, + is_shutting_down) >= 0; }); } @@ -2438,20 +3225,31 @@ get_range_offset_and_length(const Request &req, const Response &res, size_t index) { auto r = req.ranges[index]; - if (r.second == -1) { r.second = res.content_length - 1; } + if (r.second == -1) { + r.second = static_cast<ssize_t>(res.content_length_) - 1; + } return std::make_pair(r.first, r.second - r.first + 1); } inline bool expect_content(const Request &req) { if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || - req.method == "PRI") { + req.method == "PRI" || req.method == "DELETE") { return true; } // TODO: check if Content-Length is set return false; } +inline bool has_crlf(const char *s) { + auto p = s; + while (*p) { + if (*p == '\r' || *p == '\n') { return true; } + p++; + } + return false; +} + #ifdef CPPHTTPLIB_OPENSSL_SUPPORT template <typename CTX, typename Init, typename Update, typename Final> inline std::string message_digest(const std::string &s, Init init, @@ -2489,6 +3287,33 @@ inline std::string SHA_512(const std::string &s) { #endif #ifdef _WIN32 +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +// NOTE: This code came up with the following stackoverflow post: +// https://stackoverflow.com/questions/9507184/can-openssl-on-windows-use-the-system-certificate-store +inline bool load_system_certs_on_windows(X509_STORE *store) { + auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT"); + + if (!hStore) { return false; } + + PCCERT_CONTEXT pContext = NULL; + while (pContext = CertEnumCertificatesInStore(hStore, pContext)) { + auto encoded_cert = + static_cast<const unsigned char *>(pContext->pbCertEncoded); + + auto x509 = d2i_X509(NULL, &encoded_cert, pContext->cbCertEncoded); + if (x509) { + X509_STORE_add_cert(store, x509); + X509_free(x509); + } + } + + CertFreeCertificateContext(pContext); + CertCloseStore(hStore, 0); + + return true; +} +#endif + class WSInit { public: WSInit() { @@ -2502,31 +3327,6 @@ public: static WSInit wsinit_; #endif -} // namespace detail - -// Header utilities -inline std::pair<std::string, std::string> make_range_header(Ranges ranges) { - std::string field = "bytes="; - auto i = 0; - for (auto r : ranges) { - if (i != 0) { field += ", "; } - if (r.first != -1) { field += std::to_string(r.first); } - field += '-'; - if (r.second != -1) { field += std::to_string(r.second); } - i++; - } - return std::make_pair("Range", field); -} - -inline std::pair<std::string, std::string> -make_basic_authentication_header(const std::string &username, - const std::string &password, - bool is_proxy = false) { - auto field = "Basic " + detail::base64_encode(username + ":" + password); - auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; - return std::make_pair(key, field); -} - #ifdef CPPHTTPLIB_OPENSSL_SUPPORT inline std::pair<std::string, std::string> make_digest_authentication_header( const Request &req, const std::map<std::string, std::string> &auth, @@ -2566,17 +3366,18 @@ inline std::pair<std::string, std::string> make_digest_authentication_header( ":" + qop + ":" + H(A2)); } - auto field = "Digest username=\"hello\", realm=\"" + auth.at("realm") + - "\", nonce=\"" + auth.at("nonce") + "\", uri=\"" + req.path + - "\", algorithm=" + algo + ", qop=" + qop + ", nc=\"" + nc + - "\", cnonce=\"" + cnonce + "\", response=\"" + response + "\""; + auto field = "Digest username=\"" + username + "\", realm=\"" + + auth.at("realm") + "\", nonce=\"" + auth.at("nonce") + + "\", uri=\"" + req.path + "\", algorithm=" + algo + + ", qop=" + qop + ", nc=\"" + nc + "\", cnonce=\"" + cnonce + + "\", response=\"" + response + "\""; auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; return std::make_pair(key, field); } #endif -inline bool parse_www_authenticate(const httplib::Response &res, +inline bool parse_www_authenticate(const Response &res, std::map<std::string, std::string> &auth, bool is_proxy) { auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate"; @@ -2593,9 +3394,13 @@ inline bool parse_www_authenticate(const httplib::Response &res, auto beg = std::sregex_iterator(s.begin(), s.end(), re); for (auto i = beg; i != std::sregex_iterator(); ++i) { auto m = *i; - auto key = s.substr(m.position(1), m.length(1)); - auto val = m.length(2) > 0 ? s.substr(m.position(2), m.length(2)) - : s.substr(m.position(3), m.length(3)); + auto key = s.substr(static_cast<size_t>(m.position(1)), + static_cast<size_t>(m.length(1))); + auto val = m.length(2) > 0 + ? s.substr(static_cast<size_t>(m.position(2)), + static_cast<size_t>(m.length(2))) + : s.substr(static_cast<size_t>(m.position(3)), + static_cast<size_t>(m.length(3))); auth[key] = val; } return true; @@ -2612,13 +3417,60 @@ inline std::string random_string(size_t length) { "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz"; const size_t max_index = (sizeof(charset) - 1); - return charset[rand() % max_index]; + return charset[static_cast<size_t>(rand()) % max_index]; }; std::string str(length, 0); std::generate_n(str.begin(), length, randchar); return str; } +class ContentProviderAdapter { +public: + explicit ContentProviderAdapter( + ContentProviderWithoutLength &&content_provider) + : content_provider_(content_provider) {} + + bool operator()(size_t offset, size_t, DataSink &sink) { + return content_provider_(offset, sink); + } + +private: + ContentProviderWithoutLength content_provider_; +}; + +} // namespace detail + +// Header utilities +inline std::pair<std::string, std::string> make_range_header(Ranges ranges) { + std::string field = "bytes="; + auto i = 0; + for (auto r : ranges) { + if (i != 0) { field += ", "; } + if (r.first != -1) { field += std::to_string(r.first); } + field += '-'; + if (r.second != -1) { field += std::to_string(r.second); } + i++; + } + return std::make_pair("Range", field); +} + +inline std::pair<std::string, std::string> +make_basic_authentication_header(const std::string &username, + const std::string &password, + bool is_proxy = false) { + auto field = "Basic " + detail::base64_encode(username + ":" + password); + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, field); +} + +inline std::pair<std::string, std::string> +make_bearer_token_authentication_header(const std::string &token, + bool is_proxy = false) { + auto field = "Bearer " + token; + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; + return std::make_pair(key, field); +} + // Request implementation inline bool Request::has_header(const char *key) const { return detail::has_header(headers, key); @@ -2628,17 +3480,26 @@ inline std::string Request::get_header_value(const char *key, size_t id) const { return detail::get_header_value(headers, key, id, ""); } +template <typename T> +inline T Request::get_header_value(const char *key, size_t id) const { + return detail::get_header_value<T>(headers, key, id, 0); +} + inline size_t Request::get_header_value_count(const char *key) const { auto r = headers.equal_range(key); - return std::distance(r.first, r.second); + return static_cast<size_t>(std::distance(r.first, r.second)); } inline void Request::set_header(const char *key, const char *val) { - headers.emplace(key, val); + if (!detail::has_crlf(key) && !detail::has_crlf(val)) { + headers.emplace(key, val); + } } inline void Request::set_header(const char *key, const std::string &val) { - headers.emplace(key, val); + if (!detail::has_crlf(key) && !detail::has_crlf(val.c_str())) { + headers.emplace(key, val); + } } inline bool Request::has_param(const char *key) const { @@ -2646,15 +3507,16 @@ inline bool Request::has_param(const char *key) const { } inline std::string Request::get_param_value(const char *key, size_t id) const { - auto it = params.find(key); - std::advance(it, id); - if (it != params.end()) { return it->second; } + auto rng = params.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast<ssize_t>(id)); + if (it != rng.second) { return it->second; } return std::string(); } inline size_t Request::get_param_value_count(const char *key) const { auto r = params.equal_range(key); - return std::distance(r.first, r.second); + return static_cast<size_t>(std::distance(r.first, r.second)); } inline bool Request::is_multipart_form_data() const { @@ -2682,22 +3544,41 @@ inline std::string Response::get_header_value(const char *key, return detail::get_header_value(headers, key, id, ""); } +template <typename T> +inline T Response::get_header_value(const char *key, size_t id) const { + return detail::get_header_value<T>(headers, key, id, 0); +} + inline size_t Response::get_header_value_count(const char *key) const { auto r = headers.equal_range(key); - return std::distance(r.first, r.second); + return static_cast<size_t>(std::distance(r.first, r.second)); } inline void Response::set_header(const char *key, const char *val) { - headers.emplace(key, val); + if (!detail::has_crlf(key) && !detail::has_crlf(val)) { + headers.emplace(key, val); + } } inline void Response::set_header(const char *key, const std::string &val) { - headers.emplace(key, val); + if (!detail::has_crlf(key) && !detail::has_crlf(val.c_str())) { + headers.emplace(key, val); + } +} + +inline void Response::set_redirect(const char *url, int stat) { + if (!detail::has_crlf(url)) { + set_header("Location", url); + if (300 <= stat && stat < 400) { + this->status = stat; + } else { + this->status = 302; + } + } } -inline void Response::set_redirect(const char *url) { - set_header("Location", url); - status = 302; +inline void Response::set_redirect(const std::string &url, int stat) { + set_redirect(url.c_str(), stat); } inline void Response::set_content(const char *s, size_t n, @@ -2706,62 +3587,79 @@ inline void Response::set_content(const char *s, size_t n, set_header("Content-Type", content_type); } -inline void Response::set_content(const std::string &s, - const char *content_type) { - body = s; +inline void Response::set_content(std::string s, const char *content_type) { + body = std::move(s); set_header("Content-Type", content_type); } -inline void Response::set_content_provider( - size_t in_length, - std::function<void(size_t offset, size_t length, DataSink &sink)> provider, - std::function<void()> resource_releaser) { +inline void +Response::set_content_provider(size_t in_length, const char *content_type, + ContentProvider provider, + const std::function<void()> &resource_releaser) { assert(in_length > 0); - content_length = in_length; - content_provider = [provider](size_t offset, size_t length, DataSink &sink) { - provider(offset, length, sink); - }; - content_provider_resource_releaser = resource_releaser; + set_header("Content-Type", content_type); + content_length_ = in_length; + content_provider_ = std::move(provider); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider = false; +} + +inline void +Response::set_content_provider(const char *content_type, + ContentProviderWithoutLength provider, + const std::function<void()> &resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = 0; + content_provider_ = detail::ContentProviderAdapter(std::move(provider)); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider = false; } inline void Response::set_chunked_content_provider( - std::function<void(size_t offset, DataSink &sink)> provider, - std::function<void()> resource_releaser) { - content_length = 0; - content_provider = [provider](size_t offset, size_t, DataSink &sink) { - provider(offset, sink); - }; - content_provider_resource_releaser = resource_releaser; + const char *content_type, ContentProviderWithoutLength provider, + const std::function<void()> &resource_releaser) { + set_header("Content-Type", content_type); + content_length_ = 0; + content_provider_ = detail::ContentProviderAdapter(std::move(provider)); + content_provider_resource_releaser_ = resource_releaser; + is_chunked_content_provider = true; } // Rstream implementation -inline int Stream::write(const char *ptr) { return write(ptr, strlen(ptr)); } +inline ssize_t Stream::write(const char *ptr) { + return write(ptr, strlen(ptr)); +} -inline int Stream::write(const std::string &s) { +inline ssize_t Stream::write(const std::string &s) { return write(s.data(), s.size()); } template <typename... Args> -inline int Stream::write_format(const char *fmt, const Args &... args) { - std::array<char, 2048> buf; +inline ssize_t Stream::write_format(const char *fmt, const Args &... args) { + const auto bufsiz = 2048; + std::array<char, bufsiz> buf; #if defined(_MSC_VER) && _MSC_VER < 1900 - auto n = _snprintf_s(buf, bufsiz, buf.size() - 1, fmt, args...); + auto sn = _snprintf_s(buf.data(), bufsiz - 1, buf.size() - 1, fmt, args...); #else - auto n = snprintf(buf.data(), buf.size() - 1, fmt, args...); + auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); #endif - if (n <= 0) { return n; } + if (sn <= 0) { return sn; } - if (n >= static_cast<int>(buf.size()) - 1) { + auto n = static_cast<size_t>(sn); + + if (n >= buf.size() - 1) { std::vector<char> glowable_buf(buf.size()); - while (n >= static_cast<int>(glowable_buf.size() - 1)) { + while (n >= glowable_buf.size() - 1) { glowable_buf.resize(glowable_buf.size() * 2); #if defined(_MSC_VER) && _MSC_VER < 1900 - n = _snprintf_s(&glowable_buf[0], glowable_buf.size(), - glowable_buf.size() - 1, fmt, args...); + n = static_cast<size_t>(_snprintf_s(&glowable_buf[0], glowable_buf.size(), + glowable_buf.size() - 1, fmt, + args...)); #else - n = snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...); + n = static_cast<size_t>( + snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); #endif } return write(&glowable_buf[0], n); @@ -2774,32 +3672,53 @@ namespace detail { // Socket stream implementation inline SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec, - time_t read_timeout_usec) + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec) : sock_(sock), read_timeout_sec_(read_timeout_sec), - read_timeout_usec_(read_timeout_usec) {} + read_timeout_usec_(read_timeout_usec), + write_timeout_sec_(write_timeout_sec), + write_timeout_usec_(write_timeout_usec) {} inline SocketStream::~SocketStream() {} inline bool SocketStream::is_readable() const { - return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; + return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; } inline bool SocketStream::is_writable() const { - return detail::select_write(sock_, 0, 0) > 0; + return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0; } -inline int SocketStream::read(char *ptr, size_t size) { - if (is_readable()) { return recv(sock_, ptr, static_cast<int>(size), 0); } - return -1; +inline ssize_t SocketStream::read(char *ptr, size_t size) { + if (!is_readable()) { return -1; } + +#ifdef _WIN32 + if (size > static_cast<size_t>((std::numeric_limits<int>::max)())) { + return -1; + } + return recv(sock_, ptr, static_cast<int>(size), 0); +#else + return handle_EINTR([&]() { return recv(sock_, ptr, size, 0); }); +#endif } -inline int SocketStream::write(const char *ptr, size_t size) { - if (is_writable()) { return send(sock_, ptr, static_cast<int>(size), 0); } - return -1; +inline ssize_t SocketStream::write(const char *ptr, size_t size) { + if (!is_writable()) { return -1; } + +#ifdef _WIN32 + if (size > static_cast<size_t>((std::numeric_limits<int>::max)())) { + return -1; + } + return send(sock_, ptr, static_cast<int>(size), 0); +#else + return handle_EINTR([&]() { return send(sock_, ptr, size, 0); }); +#endif } -inline std::string SocketStream::get_remote_addr() const { - return detail::get_remote_addr(sock_); +inline void SocketStream::get_remote_ip_and_port(std::string &ip, + int &port) const { + return detail::get_remote_ip_and_port(sock_, ip, port); } // Buffer stream implementation @@ -2807,22 +3726,23 @@ inline bool BufferStream::is_readable() const { return true; } inline bool BufferStream::is_writable() const { return true; } -inline int BufferStream::read(char *ptr, size_t size) { -#if defined(_MSC_VER) && _MSC_VER < 1900 - int len_read = static_cast<int>(buffer._Copy_s(ptr, size, size, position)); +inline ssize_t BufferStream::read(char *ptr, size_t size) { +#if defined(_MSC_VER) && _MSC_VER <= 1900 + auto len_read = buffer._Copy_s(ptr, size, size, position); #else - int len_read = static_cast<int>(buffer.copy(ptr, size, position)); + auto len_read = buffer.copy(ptr, size, position); #endif - position += len_read; - return len_read; + position += static_cast<size_t>(len_read); + return static_cast<ssize_t>(len_read); } -inline int BufferStream::write(const char *ptr, size_t size) { +inline ssize_t BufferStream::write(const char *ptr, size_t size) { buffer.append(ptr, size); - return static_cast<int>(size); + return static_cast<ssize_t>(size); } -inline std::string BufferStream::get_remote_addr() const { return ""; } +inline void BufferStream::get_remote_ip_and_port(std::string & /*ip*/, + int & /*port*/) const {} inline const std::string &BufferStream::get_buffer() const { return buffer; } @@ -2830,15 +3750,12 @@ inline const std::string &BufferStream::get_buffer() const { return buffer; } // HTTP server implementation inline Server::Server() - : keep_alive_max_count_(CPPHTTPLIB_KEEPALIVE_MAX_COUNT), - read_timeout_sec_(CPPHTTPLIB_READ_TIMEOUT_SECOND), - read_timeout_usec_(CPPHTTPLIB_READ_TIMEOUT_USECOND), - payload_max_length_(CPPHTTPLIB_PAYLOAD_MAX_LENGTH), is_running_(false), - svr_sock_(INVALID_SOCKET) { + : new_task_queue( + [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }), + svr_sock_(INVALID_SOCKET), is_running_(false) { #ifndef _WIN32 signal(SIGPIPE, SIG_IGN); #endif - new_task_queue = [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }; } inline Server::~Server() {} @@ -2889,6 +3806,13 @@ inline Server &Server::Delete(const char *pattern, Handler handler) { return *this; } +inline Server &Server::Delete(const char *pattern, + HandlerWithContentReader handler) { + delete_handlers_for_content_reader_.push_back( + std::make_pair(std::regex(pattern), handler)); + return *this; +} + inline Server &Server::Options(const char *pattern, Handler handler) { options_handlers_.push_back(std::make_pair(std::regex(pattern), handler)); return *this; @@ -2898,11 +3822,12 @@ inline bool Server::set_base_dir(const char *dir, const char *mount_point) { return set_mount_point(mount_point, dir); } -inline bool Server::set_mount_point(const char *mount_point, const char *dir) { +inline bool Server::set_mount_point(const char *mount_point, const char *dir, + Headers headers) { if (detail::is_dir(dir)) { std::string mnt = mount_point ? mount_point : "/"; if (!mnt.empty() && mnt[0] == '/') { - base_dirs_.emplace_back(mnt, dir); + base_dirs_.push_back({mnt, dir, std::move(headers)}); return true; } } @@ -2911,7 +3836,7 @@ inline bool Server::set_mount_point(const char *mount_point, const char *dir) { inline bool Server::remove_mount_point(const char *mount_point) { for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { - if (it->first == mount_point) { + if (it->mount_point == mount_point) { base_dirs_.erase(it); return true; } @@ -2932,6 +3857,12 @@ inline void Server::set_error_handler(Handler handler) { error_handler_ = std::move(handler); } +inline void Server::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } + +inline void Server::set_socket_options(SocketOptions socket_options) { + socket_options_ = socket_options; +} + inline void Server::set_logger(Logger logger) { logger_ = std::move(logger); } inline void @@ -2943,11 +3874,25 @@ inline void Server::set_keep_alive_max_count(size_t count) { keep_alive_max_count_ = count; } +inline void Server::set_keep_alive_timeout(time_t sec) { + keep_alive_timeout_sec_ = sec; +} + inline void Server::set_read_timeout(time_t sec, time_t usec) { read_timeout_sec_ = sec; read_timeout_usec_ = usec; } +inline void Server::set_write_timeout(time_t sec, time_t usec) { + write_timeout_sec_ = sec; + write_timeout_usec_ = usec; +} + +inline void Server::set_idle_interval(time_t sec, time_t usec) { + idle_interval_sec_ = sec; + idle_interval_usec_ = usec; +} + inline void Server::set_payload_max_length(size_t length) { payload_max_length_ = length; } @@ -2987,7 +3932,7 @@ inline bool Server::parse_request_line(const char *s, Request &req) { req.version = std::string(m[5]); req.method = std::string(m[1]); req.target = std::string(m[2]); - req.path = detail::decode_url(m[3]); + req.path = detail::decode_url(m[3], false); // Parse query text auto len = std::distance(m[4].first, m[4].second); @@ -2999,7 +3944,7 @@ inline bool Server::parse_request_line(const char *s, Request &req) { return false; } -inline bool Server::write_response(Stream &strm, bool last_connection, +inline bool Server::write_response(Stream &strm, bool close_connection, const Request &req, Response &res) { assert(res.status != -1); @@ -3014,16 +3959,17 @@ inline bool Server::write_response(Stream &strm, bool last_connection, } // Headers - if (last_connection || req.get_header_value("Connection") == "close") { + if (close_connection || req.get_header_value("Connection") == "close") { res.set_header("Connection", "close"); - } - - if (!last_connection && req.get_header_value("Connection") == "Keep-Alive") { - res.set_header("Connection", "Keep-Alive"); + } else { + std::stringstream ss; + ss << "timeout=" << keep_alive_timeout_sec_ + << ", max=" << keep_alive_max_count_; + res.set_header("Keep-Alive", ss.str()); } if (!res.has_header("Content-Type") && - (!res.body.empty() || res.content_length > 0)) { + (!res.body.empty() || res.content_length_ > 0 || res.content_provider_)) { res.set_header("Content-Type", "text/plain"); } @@ -3047,18 +3993,20 @@ inline bool Server::write_response(Stream &strm, bool last_connection, "multipart/byteranges; boundary=" + boundary); } + auto type = detail::encoding_type(req, res); + if (res.body.empty()) { - if (res.content_length > 0) { + if (res.content_length_ > 0) { size_t length = 0; if (req.ranges.empty()) { - length = res.content_length; + length = res.content_length_; } else if (req.ranges.size() == 1) { auto offsets = - detail::get_range_offset_and_length(req, res.content_length, 0); + detail::get_range_offset_and_length(req, res.content_length_, 0); auto offset = offsets.first; length = offsets.second; auto content_range = detail::make_content_range_header_field( - offset, length, res.content_length); + offset, length, res.content_length_); res.set_header("Content-Range", content_range); } else { length = detail::get_multipart_ranges_data_length(req, res, boundary, @@ -3066,8 +4014,15 @@ inline bool Server::write_response(Stream &strm, bool last_connection, } res.set_header("Content-Length", std::to_string(length)); } else { - if (res.content_provider) { - res.set_header("Transfer-Encoding", "chunked"); + if (res.content_provider_) { + if (res.is_chunked_content_provider) { + res.set_header("Transfer-Encoding", "chunked"); + if (type == detail::EncodingType::Gzip) { + res.set_header("Content-Encoding", "gzip"); + } else if (type == detail::EncodingType::Brotli) { + res.set_header("Content-Encoding", "br"); + } + } } else { res.set_header("Content-Length", "0"); } @@ -3089,16 +4044,35 @@ inline bool Server::write_response(Stream &strm, bool last_connection, detail::make_multipart_ranges_data(req, res, boundary, content_type); } + if (type != detail::EncodingType::None) { + std::shared_ptr<detail::compressor> compressor; + + if (type == detail::EncodingType::Gzip) { #ifdef CPPHTTPLIB_ZLIB_SUPPORT - // TODO: 'Accept-Encoding' has gzip, not gzip;q=0 - const auto &encodings = req.get_header_value("Accept-Encoding"); - if (encodings.find("gzip") != std::string::npos && - detail::can_compress(res.get_header_value("Content-Type"))) { - if (detail::compress(res.body)) { + compressor = std::make_shared<detail::gzip_compressor>(); res.set_header("Content-Encoding", "gzip"); +#endif + } else if (type == detail::EncodingType::Brotli) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + compressor = std::make_shared<detail::brotli_compressor>(); + res.set_header("Content-Encoding", "brotli"); +#endif + } + + if (compressor) { + std::string compressed; + + if (!compressor->compress(res.body.data(), res.body.size(), true, + [&](const char *data, size_t data_len) { + compressed.append(data, data_len); + return true; + })) { + return false; + } + + res.body.swap(compressed); } } -#endif auto length = std::to_string(res.body.size()); res.set_header("Content-Length", length); @@ -3111,13 +4085,14 @@ inline bool Server::write_response(Stream &strm, bool last_connection, strm.write(data.data(), data.size()); // Body + auto ret = true; if (req.method != "HEAD") { if (!res.body.empty()) { - if (!strm.write(res.body)) { return false; } - } else if (res.content_provider) { + if (!strm.write(res.body)) { ret = false; } + } else if (res.content_provider_) { if (!write_content_with_provider(strm, req, res, boundary, content_type)) { - return false; + ret = false; } } } @@ -3125,87 +4100,109 @@ inline bool Server::write_response(Stream &strm, bool last_connection, // Log if (logger_) { logger_(req, res); } - return true; + return ret; } inline bool Server::write_content_with_provider(Stream &strm, const Request &req, Response &res, const std::string &boundary, const std::string &content_type) { - if (res.content_length) { + auto is_shutting_down = [this]() { + return this->svr_sock_ == INVALID_SOCKET; + }; + + if (res.content_length_ > 0) { if (req.ranges.empty()) { - if (detail::write_content(strm, res.content_provider, 0, - res.content_length) < 0) { + if (detail::write_content(strm, res.content_provider_, 0, + res.content_length_, is_shutting_down) < 0) { return false; } } else if (req.ranges.size() == 1) { auto offsets = - detail::get_range_offset_and_length(req, res.content_length, 0); + detail::get_range_offset_and_length(req, res.content_length_, 0); auto offset = offsets.first; auto length = offsets.second; - if (detail::write_content(strm, res.content_provider, offset, length) < - 0) { + if (detail::write_content(strm, res.content_provider_, offset, length, + is_shutting_down) < 0) { return false; } } else { - if (!detail::write_multipart_ranges_data(strm, req, res, boundary, - content_type)) { + if (!detail::write_multipart_ranges_data( + strm, req, res, boundary, content_type, is_shutting_down)) { return false; } } } else { - auto is_shutting_down = [this]() { - return this->svr_sock_ == INVALID_SOCKET; - }; - if (detail::write_content_chunked(strm, res.content_provider, - is_shutting_down) < 0) { - return false; + if (res.is_chunked_content_provider) { + auto type = detail::encoding_type(req, res); + + std::shared_ptr<detail::compressor> compressor; + if (type == detail::EncodingType::Gzip) { +#ifdef CPPHTTPLIB_ZLIB_SUPPORT + compressor = std::make_shared<detail::gzip_compressor>(); +#endif + } else if (type == detail::EncodingType::Brotli) { +#ifdef CPPHTTPLIB_BROTLI_SUPPORT + compressor = std::make_shared<detail::brotli_compressor>(); +#endif + } else { + compressor = std::make_shared<detail::nocompressor>(); + } + assert(compressor != nullptr); + + if (detail::write_content_chunked(strm, res.content_provider_, + is_shutting_down, *compressor) < 0) { + return false; + } + } else { + if (detail::write_content_without_length(strm, res.content_provider_, + is_shutting_down) < 0) { + return false; + } } } return true; } -inline bool Server::read_content(Stream &strm, bool last_connection, - Request &req, Response &res) { +inline bool Server::read_content(Stream &strm, Request &req, Response &res) { MultipartFormDataMap::iterator cur; - auto ret = read_content_core( - strm, last_connection, req, res, - // Regular - [&](const char *buf, size_t n) { - if (req.body.size() + n > req.body.max_size()) { return false; } - req.body.append(buf, n); - return true; - }, - // Multipart - [&](const MultipartFormData &file) { - cur = req.files.emplace(file.name, file); - return true; - }, - [&](const char *buf, size_t n) { - auto &content = cur->second.content; - if (content.size() + n > content.max_size()) { return false; } - content.append(buf, n); - return true; - }); - - const auto &content_type = req.get_header_value("Content-Type"); - if (!content_type.find("application/x-www-form-urlencoded")) { - detail::parse_query_text(req.body, req.params); + if (read_content_core( + strm, req, res, + // Regular + [&](const char *buf, size_t n) { + if (req.body.size() + n > req.body.max_size()) { return false; } + req.body.append(buf, n); + return true; + }, + // Multipart + [&](const MultipartFormData &file) { + cur = req.files.emplace(file.name, file); + return true; + }, + [&](const char *buf, size_t n) { + auto &content = cur->second.content; + if (content.size() + n > content.max_size()) { return false; } + content.append(buf, n); + return true; + })) { + const auto &content_type = req.get_header_value("Content-Type"); + if (!content_type.find("application/x-www-form-urlencoded")) { + detail::parse_query_text(req.body, req.params); + } + return true; } - - return ret; + return false; } inline bool Server::read_content_with_content_receiver( - Stream &strm, bool last_connection, Request &req, Response &res, - ContentReceiver receiver, MultipartContentHeader multipart_header, + Stream &strm, Request &req, Response &res, ContentReceiver receiver, + MultipartContentHeader multipart_header, ContentReceiver multipart_receiver) { - return read_content_core(strm, last_connection, req, res, receiver, - multipart_header, multipart_receiver); + return read_content_core(strm, req, res, receiver, multipart_header, + multipart_receiver); } -inline bool Server::read_content_core(Stream &strm, bool last_connection, - Request &req, Response &res, +inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, ContentReceiver receiver, MultipartContentHeader mulitpart_header, ContentReceiver multipart_receiver) { @@ -3217,11 +4214,22 @@ inline bool Server::read_content_core(Stream &strm, bool last_connection, std::string boundary; if (!detail::parse_multipart_boundary(content_type, boundary)) { res.status = 400; - return write_response(strm, last_connection, req, res); + return false; } - multipart_form_data_parser.set_boundary(boundary); + multipart_form_data_parser.set_boundary(std::move(boundary)); out = [&](const char *buf, size_t n) { + /* For debug + size_t pos = 0; + while (pos < n) { + auto read_size = std::min<size_t>(1, n - pos); + auto ret = multipart_form_data_parser.parse( + buf + pos, read_size, multipart_receiver, mulitpart_header); + if (!ret) { return false; } + pos += read_size; + } + return true; + */ return multipart_form_data_parser.parse(buf, n, multipart_receiver, mulitpart_header); }; @@ -3229,15 +4237,19 @@ inline bool Server::read_content_core(Stream &strm, bool last_connection, out = receiver; } - if (!detail::read_content(strm, req, payload_max_length_, res.status, - Progress(), out)) { - return write_response(strm, last_connection, req, res); + if (req.method == "DELETE" && !req.has_header("Content-Length")) { + return true; + } + + if (!detail::read_content(strm, req, payload_max_length_, res.status, nullptr, + out, true)) { + return false; } if (req.is_multipart_form_data()) { if (!multipart_form_data_parser.is_valid()) { res.status = 400; - return write_response(strm, last_connection, req, res); + return false; } } @@ -3246,15 +4258,12 @@ inline bool Server::read_content_core(Stream &strm, bool last_connection, inline bool Server::handle_file_request(Request &req, Response &res, bool head) { - for (const auto &kv : base_dirs_) { - const auto &mount_point = kv.first; - const auto &base_dir = kv.second; - + for (const auto &entry : base_dirs_) { // Prefix match - if (!req.path.find(mount_point)) { - std::string sub_path = "/" + req.path.substr(mount_point.size()); + if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point)) { + std::string sub_path = "/" + req.path.substr(entry.mount_point.size()); if (detail::is_valid_path(sub_path)) { - auto path = base_dir + sub_path; + auto path = entry.base_dir + sub_path; if (path.back() == '/') { path += "index.html"; } if (detail::is_file(path)) { @@ -3262,6 +4271,9 @@ inline bool Server::handle_file_request(Request &req, Response &res, auto type = detail::find_content_type(path, file_extension_and_mimetype_map_); if (type) { res.set_header("Content-Type", type); } + for (const auto& kv : entry.headers) { + res.set_header(kv.first.c_str(), kv.second); + } res.status = 200; if (!head && file_request_handler_) { file_request_handler_(req, res); @@ -3274,40 +4286,39 @@ inline bool Server::handle_file_request(Request &req, Response &res, return false; } -inline socket_t Server::create_server_socket(const char *host, int port, - int socket_flags) const { +inline socket_t +Server::create_server_socket(const char *host, int port, int socket_flags, + SocketOptions socket_options) const { return detail::create_socket( - host, port, + host, port, socket_flags, tcp_nodelay_, socket_options, [](socket_t sock, struct addrinfo &ai) -> bool { - if (::bind(sock, ai.ai_addr, static_cast<int>(ai.ai_addrlen))) { + if (::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) { return false; } if (::listen(sock, 5)) { // Listen through 5 channels return false; } return true; - }, - socket_flags); + }); } inline int Server::bind_internal(const char *host, int port, int socket_flags) { if (!is_valid()) { return -1; } - svr_sock_ = create_server_socket(host, port, socket_flags); + svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_); if (svr_sock_ == INVALID_SOCKET) { return -1; } if (port == 0) { - struct sockaddr_storage address; - socklen_t len = sizeof(address); - if (getsockname(svr_sock_, reinterpret_cast<struct sockaddr *>(&address), - &len) == -1) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + if (getsockname(svr_sock_, reinterpret_cast<struct sockaddr *>(&addr), + &addr_len) == -1) { return -1; } - if (address.ss_family == AF_INET) { - return ntohs(reinterpret_cast<struct sockaddr_in *>(&address)->sin_port); - } else if (address.ss_family == AF_INET6) { - return ntohs( - reinterpret_cast<struct sockaddr_in6 *>(&address)->sin6_port); + if (addr.ss_family == AF_INET) { + return ntohs(reinterpret_cast<struct sockaddr_in *>(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + return ntohs(reinterpret_cast<struct sockaddr_in6 *>(&addr)->sin6_port); } else { return -1; } @@ -3323,18 +4334,19 @@ inline bool Server::listen_internal() { { std::unique_ptr<TaskQueue> task_queue(new_task_queue()); - for (;;) { - if (svr_sock_ == INVALID_SOCKET) { - // The server socket was closed by 'stop' method. - break; - } - - auto val = detail::select_read(svr_sock_, 0, 100000); - - if (val == 0) { // Timeout - continue; + while (svr_sock_ != INVALID_SOCKET) { +#ifndef _WIN32 + if (idle_interval_sec_ > 0 || idle_interval_usec_ > 0) { +#endif + auto val = detail::select_read(svr_sock_, idle_interval_sec_, + idle_interval_usec_); + if (val == 0) { // Timeout + task_queue->on_idle(); + continue; + } +#ifndef _WIN32 } - +#endif socket_t sock = accept(svr_sock_, nullptr, nullptr); if (sock == INVALID_SOCKET) { @@ -3353,7 +4365,11 @@ inline bool Server::listen_internal() { break; } +#if __cplusplus > 201703L + task_queue->enqueue([=, this]() { process_and_close_socket(sock); }); +#else task_queue->enqueue([=]() { process_and_close_socket(sock); }); +#endif } task_queue->shutdown(); @@ -3363,8 +4379,7 @@ inline bool Server::listen_internal() { return ret; } -inline bool Server::routing(Request &req, Response &res, Stream &strm, - bool last_connection) { +inline bool Server::routing(Request &req, Response &res, Stream &strm) { // File handler bool is_head_request = req.method == "HEAD"; if ((req.method == "GET" || is_head_request) && @@ -3377,12 +4392,12 @@ inline bool Server::routing(Request &req, Response &res, Stream &strm, { ContentReader reader( [&](ContentReceiver receiver) { - return read_content_with_content_receiver( - strm, last_connection, req, res, receiver, nullptr, nullptr); + return read_content_with_content_receiver(strm, req, res, receiver, + nullptr, nullptr); }, [&](MultipartContentHeader header, ContentReceiver receiver) { - return read_content_with_content_receiver( - strm, last_connection, req, res, nullptr, header, receiver); + return read_content_with_content_receiver(strm, req, res, nullptr, + header, receiver); }); if (req.method == "POST") { @@ -3400,11 +4415,16 @@ inline bool Server::routing(Request &req, Response &res, Stream &strm, req, res, reader, patch_handlers_for_content_reader_)) { return true; } + } else if (req.method == "DELETE") { + if (dispatch_request_for_content_reader( + req, res, reader, delete_handlers_for_content_reader_)) { + return true; + } } } // Read content into `req.body` - if (!read_content(strm, last_connection, req, res)) { return false; } + if (!read_content(strm, req, res)) { return false; } } // Regular handler @@ -3427,22 +4447,31 @@ inline bool Server::routing(Request &req, Response &res, Stream &strm, } inline bool Server::dispatch_request(Request &req, Response &res, - Handlers &handlers) { - for (const auto &x : handlers) { - const auto &pattern = x.first; - const auto &handler = x.second; + const Handlers &handlers) { - if (std::regex_match(req.path, req.matches, pattern)) { - handler(req, res); - return true; + try { + for (const auto &x : handlers) { + const auto &pattern = x.first; + const auto &handler = x.second; + + if (std::regex_match(req.path, req.matches, pattern)) { + handler(req, res); + return true; + } } + } catch (const std::exception &ex) { + res.status = 500; + res.set_header("EXCEPTION_WHAT", ex.what()); + } catch (...) { + res.status = 500; + res.set_header("EXCEPTION_WHAT", "UNKNOWN"); } return false; } inline bool Server::dispatch_request_for_content_reader( Request &req, Response &res, ContentReader content_reader, - HandlersForContentReader &handlers) { + const HandlersForContentReader &handlers) { for (const auto &x : handlers) { const auto &pattern = x.first; const auto &handler = x.second; @@ -3456,8 +4485,8 @@ inline bool Server::dispatch_request_for_content_reader( } inline bool -Server::process_request(Stream &strm, bool last_connection, - bool &connection_close, +Server::process_request(Stream &strm, bool close_connection, + bool &connection_closed, const std::function<void(Request &)> &setup_request) { std::array<char, 2048> buf{}; @@ -3476,26 +4505,28 @@ Server::process_request(Stream &strm, bool last_connection, Headers dummy; detail::read_headers(strm, dummy); res.status = 414; - return write_response(strm, last_connection, req, res); + return write_response(strm, close_connection, req, res); } // Request line and headers if (!parse_request_line(line_reader.ptr(), req) || !detail::read_headers(strm, req.headers)) { res.status = 400; - return write_response(strm, last_connection, req, res); + return write_response(strm, close_connection, req, res); } if (req.get_header_value("Connection") == "close") { - connection_close = true; + connection_closed = true; } if (req.version == "HTTP/1.0" && req.get_header_value("Connection") != "Keep-Alive") { - connection_close = true; + connection_closed = true; } - req.set_header("REMOTE_ADDR", strm.get_remote_addr()); + strm.get_remote_ip_and_port(req.remote_addr, req.remote_port); + req.set_header("REMOTE_ADDR", req.remote_addr); + req.set_header("REMOTE_PORT", std::to_string(req.remote_port)); if (req.has_header("Range")) { const auto &range_header_value = req.get_header_value("Range"); @@ -3517,136 +4548,211 @@ Server::process_request(Stream &strm, bool last_connection, strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, detail::status_message(status)); break; - default: return write_response(strm, last_connection, req, res); + default: return write_response(strm, close_connection, req, res); } } // Rounting - if (routing(req, res, strm, last_connection)) { + if (routing(req, res, strm)) { if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; } } else { if (res.status == -1) { res.status = 404; } } - return write_response(strm, last_connection, req, res); + return write_response(strm, close_connection, req, res); } inline bool Server::is_valid() const { return true; } inline bool Server::process_and_close_socket(socket_t sock) { - return detail::process_and_close_socket( - false, sock, keep_alive_max_count_, read_timeout_sec_, read_timeout_usec_, - [this](Stream &strm, bool last_connection, bool &connection_close) { - return process_request(strm, last_connection, connection_close, + auto ret = detail::process_server_socket( + sock, keep_alive_max_count_, keep_alive_timeout_sec_, read_timeout_sec_, + read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, + [this](Stream &strm, bool close_connection, bool &connection_closed) { + return process_request(strm, close_connection, connection_closed, nullptr); }); + + detail::shutdown_socket(sock); + detail::close_socket(sock); + return ret; } // HTTP client implementation -inline Client::Client(const std::string &host, int port, - const std::string &client_cert_path, - const std::string &client_key_path) +inline ClientImpl::ClientImpl(const std::string &host) + : ClientImpl(host, 80, std::string(), std::string()) {} + +inline ClientImpl::ClientImpl(const std::string &host, int port) + : ClientImpl(host, port, std::string(), std::string()) {} + +inline ClientImpl::ClientImpl(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path) : host_(host), port_(port), host_and_port_(host_ + ":" + std::to_string(port_)), client_cert_path_(client_cert_path), client_key_path_(client_key_path) {} -inline Client::~Client() {} +inline ClientImpl::~ClientImpl() { stop_core(); } + +inline bool ClientImpl::is_valid() const { return true; } -inline bool Client::is_valid() const { return true; } +inline Error ClientImpl::get_last_error() const { return error_; } -inline socket_t Client::create_client_socket() const { - if (!proxy_host_.empty()) { - return detail::create_client_socket(proxy_host_.c_str(), proxy_port_, - timeout_sec_, interface_); +inline void ClientImpl::copy_settings(const ClientImpl &rhs) { + client_cert_path_ = rhs.client_cert_path_; + client_key_path_ = rhs.client_key_path_; + connection_timeout_sec_ = rhs.connection_timeout_sec_; + read_timeout_sec_ = rhs.read_timeout_sec_; + read_timeout_usec_ = rhs.read_timeout_usec_; + write_timeout_sec_ = rhs.write_timeout_sec_; + write_timeout_usec_ = rhs.write_timeout_usec_; + basic_auth_username_ = rhs.basic_auth_username_; + basic_auth_password_ = rhs.basic_auth_password_; + bearer_token_auth_token_ = rhs.bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + digest_auth_username_ = rhs.digest_auth_username_; + digest_auth_password_ = rhs.digest_auth_password_; +#endif + keep_alive_ = rhs.keep_alive_; + follow_location_ = rhs.follow_location_; + tcp_nodelay_ = rhs.tcp_nodelay_; + socket_options_ = rhs.socket_options_; + compress_ = rhs.compress_; + decompress_ = rhs.decompress_; + interface_ = rhs.interface_; + proxy_host_ = rhs.proxy_host_; + proxy_port_ = rhs.proxy_port_; + proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; + proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; + proxy_bearer_token_auth_token_ = rhs.proxy_bearer_token_auth_token_; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; + proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; +#endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + server_certificate_verification_ = rhs.server_certificate_verification_; +#endif + logger_ = rhs.logger_; +} + +inline socket_t ClientImpl::create_client_socket() const { + if (!proxy_host_.empty() && proxy_port_ != -1) { + return detail::create_client_socket( + proxy_host_.c_str(), proxy_port_, tcp_nodelay_, socket_options_, + connection_timeout_sec_, connection_timeout_usec_, interface_, error_); } - return detail::create_client_socket(host_.c_str(), port_, timeout_sec_, - interface_); + return detail::create_client_socket( + host_.c_str(), port_, tcp_nodelay_, socket_options_, + connection_timeout_sec_, connection_timeout_usec_, interface_, error_); } -inline bool Client::read_response_line(Stream &strm, Response &res) { +inline bool ClientImpl::create_and_connect_socket(Socket &socket) { + auto sock = create_client_socket(); + if (sock == INVALID_SOCKET) { return false; } + socket.sock = sock; + return true; +} + +inline void ClientImpl::close_socket(Socket &socket, + bool /*process_socket_ret*/) { + detail::close_socket(socket.sock); + socket_.sock = INVALID_SOCKET; +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + socket_.ssl = nullptr; +#endif +} + +inline bool ClientImpl::read_response_line(Stream &strm, Response &res) { std::array<char, 2048> buf; detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); if (!line_reader.getline()) { return false; } - const static std::regex re("(HTTP/1\\.[01]) (\\d+?) .*\r\n"); + const static std::regex re("(HTTP/1\\.[01]) (\\d+) (.*?)\r\n"); std::cmatch m; - if (std::regex_match(line_reader.ptr(), m, re)) { + if (!std::regex_match(line_reader.ptr(), m, re)) { return false; } + res.version = std::string(m[1]); + res.status = std::stoi(std::string(m[2])); + res.reason = std::string(m[3]); + + // Ignore '100 Continue' + while (res.status == 100) { + if (!line_reader.getline()) { return false; } // CRLF + if (!line_reader.getline()) { return false; } // next response line + + if (!std::regex_match(line_reader.ptr(), m, re)) { return false; } res.version = std::string(m[1]); res.status = std::stoi(std::string(m[2])); + res.reason = std::string(m[3]); } return true; } -inline bool Client::send(const Request &req, Response &res) { - auto sock = create_client_socket(); - if (sock == INVALID_SOCKET) { return false; } +inline bool ClientImpl::send(const Request &req, Response &res) { + std::lock_guard<std::recursive_mutex> request_mutex_guard(request_mutex_); -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT - if (is_ssl() && !proxy_host_.empty()) { - bool error; - if (!connect(sock, res, error)) { return error; } - } -#endif + { + std::lock_guard<std::mutex> guard(socket_mutex_); - return process_and_close_socket( - sock, 1, [&](Stream &strm, bool last_connection, bool &connection_close) { - return handle_request(strm, req, res, last_connection, - connection_close); - }); -} + auto is_alive = false; + if (socket_.is_open()) { + is_alive = detail::select_write(socket_.sock, 0, 0) > 0; + if (!is_alive) { close_socket(socket_, false); } + } -inline bool Client::send(const std::vector<Request> &requests, - std::vector<Response> &responses) { - size_t i = 0; - while (i < requests.size()) { - auto sock = create_client_socket(); - if (sock == INVALID_SOCKET) { return false; } + if (!is_alive) { + if (!create_and_connect_socket(socket_)) { return false; } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - if (is_ssl() && !proxy_host_.empty()) { - Response res; - bool error; - if (!connect(sock, res, error)) { return false; } - } -#endif + // TODO: refactoring + if (is_ssl()) { + auto &scli = static_cast<SSLClient &>(*this); + if (!proxy_host_.empty() && proxy_port_ != -1) { + bool success = false; + if (!scli.connect_with_proxy(socket_, res, success)) { + return success; + } + } - if (!process_and_close_socket(sock, requests.size() - i, - [&](Stream &strm, bool last_connection, - bool &connection_close) -> bool { - auto &req = requests[i++]; - auto res = Response(); - auto ret = handle_request(strm, req, res, - last_connection, - connection_close); - if (ret) { - responses.emplace_back(std::move(res)); - } - return ret; - })) { - return false; + if (!scli.initialize_ssl(socket_)) { return false; } + } +#endif } } - return true; + auto close_connection = !keep_alive_; + + auto ret = process_socket(socket_, [&](Stream &strm) { + return handle_request(strm, req, res, close_connection); + }); + + if (close_connection || !ret) { stop_core(); } + + if (!ret) { + if (error_ == Error::Success) { error_ = Error::Unknown; } + } + + return ret; } -inline bool Client::handle_request(Stream &strm, const Request &req, - Response &res, bool last_connection, - bool &connection_close) { - if (req.path.empty()) { return false; } +inline bool ClientImpl::handle_request(Stream &strm, const Request &req, + Response &res, bool close_connection) { + if (req.path.empty()) { + error_ = Error::Connection; + return false; + } bool ret; - if (!is_ssl() && !proxy_host_.empty()) { + if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) { auto req2 = req; req2.path = "http://" + host_and_port_ + req.path; - ret = process_request(strm, req2, res, last_connection, connection_close); + ret = process_request(strm, req2, res, close_connection); } else { - ret = process_request(strm, req, res, last_connection, connection_close); + ret = process_request(strm, req, res, close_connection); } if (!ret) { return false; } @@ -3656,7 +4762,8 @@ inline bool Client::handle_request(Stream &strm, const Request &req, } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - if (res.status == 401 || res.status == 407) { + if ((res.status == 401 || res.status == 407) && + req.authorization_count_ < 5) { auto is_proxy = res.status == 407; const auto &username = is_proxy ? proxy_digest_auth_username_ : digest_auth_username_; @@ -3665,12 +4772,14 @@ inline bool Client::handle_request(Stream &strm, const Request &req, if (!username.empty() && !password.empty()) { std::map<std::string, std::string> auth; - if (parse_www_authenticate(res, auth, is_proxy)) { + if (detail::parse_www_authenticate(res, auth, is_proxy)) { Request new_req = req; - auto key = is_proxy ? "Proxy-Authorization" : "WWW-Authorization"; + new_req.authorization_count_ += 1; + auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; new_req.headers.erase(key); - new_req.headers.insert(make_digest_authentication_header( - req, auth, 1, random_string(10), username, password, is_proxy)); + new_req.headers.insert(detail::make_digest_authentication_header( + req, auth, new_req.authorization_count_, detail::random_string(10), + username, password, is_proxy)); Response new_res; @@ -3684,102 +4793,64 @@ inline bool Client::handle_request(Stream &strm, const Request &req, return ret; } -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline bool Client::connect(socket_t sock, Response &res, bool &error) { - error = true; - Response res2; - - if (!detail::process_socket( - true, sock, 1, read_timeout_sec_, read_timeout_usec_, - [&](Stream &strm, bool /*last_connection*/, bool &connection_close) { - Request req2; - req2.method = "CONNECT"; - req2.path = host_and_port_; - return process_request(strm, req2, res2, false, connection_close); - })) { - detail::close_socket(sock); - error = false; +inline bool ClientImpl::redirect(const Request &req, Response &res) { + if (req.redirect_count == 0) { + error_ = Error::ExceedRedirectCount; return false; } - if (res2.status == 407) { - if (!proxy_digest_auth_username_.empty() && - !proxy_digest_auth_password_.empty()) { - std::map<std::string, std::string> auth; - if (parse_www_authenticate(res2, auth, true)) { - Response res3; - if (!detail::process_socket( - true, sock, 1, read_timeout_sec_, read_timeout_usec_, - [&](Stream &strm, bool /*last_connection*/, - bool &connection_close) { - Request req3; - req3.method = "CONNECT"; - req3.path = host_and_port_; - req3.headers.insert(make_digest_authentication_header( - req3, auth, 1, random_string(10), - proxy_digest_auth_username_, proxy_digest_auth_password_, - true)); - return process_request(strm, req3, res3, false, - connection_close); - })) { - detail::close_socket(sock); - error = false; - return false; - } - } - } else { - res = res2; - return false; - } - } - - return true; -} -#endif - -inline bool Client::redirect(const Request &req, Response &res) { - if (req.redirect_count == 0) { return false; } - - auto location = res.get_header_value("location"); + auto location = detail::decode_url(res.get_header_value("location"), true); if (location.empty()) { return false; } const static std::regex re( - R"(^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*(?:\?[^#]*)?)(?:#.*)?)"); + R"(^(?:(https?):)?(?://([^:/?#]*)(?::(\d+))?)?([^?#]*(?:\?[^#]*)?)(?:#.*)?)"); std::smatch m; - if (!regex_match(location, m, re)) { return false; } + if (!std::regex_match(location, m, re)) { return false; } auto scheme = is_ssl() ? "https" : "http"; auto next_scheme = m[1].str(); auto next_host = m[2].str(); - auto next_path = m[3].str(); - if (next_scheme.empty()) { next_scheme = scheme; } + auto port_str = m[3].str(); + auto next_path = m[4].str(); + + auto next_port = port_; + if (!port_str.empty()) { + next_port = std::stoi(port_str); + } else if (!next_scheme.empty()) { + next_port = next_scheme == "https" ? 443 : 80; + } + if (next_scheme.empty()) { next_scheme = scheme; } if (next_host.empty()) { next_host = host_; } if (next_path.empty()) { next_path = "/"; } - if (next_scheme == scheme && next_host == host_) { + if (next_scheme == scheme && next_host == host_ && next_port == port_) { return detail::redirect(*this, req, res, next_path); } else { if (next_scheme == "https") { #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - SSLClient cli(next_host.c_str()); + SSLClient cli(next_host.c_str(), next_port); cli.copy_settings(*this); - return detail::redirect(cli, req, res, next_path); + auto ret = detail::redirect(cli, req, res, next_path); + if (!ret) { error_ = cli.get_last_error(); } + return ret; #else return false; #endif } else { - Client cli(next_host.c_str()); + ClientImpl cli(next_host.c_str(), next_port); cli.copy_settings(*this); - return detail::redirect(cli, req, res, next_path); + auto ret = detail::redirect(cli, req, res, next_path); + if (!ret) { error_ = cli.get_last_error(); } + return ret; } } } -inline bool Client::write_request(Stream &strm, const Request &req, - bool last_connection) { +inline bool ClientImpl::write_request(Stream &strm, const Request &req, + bool close_connection) { detail::BufferStream bstrm; // Request line @@ -3789,7 +4860,7 @@ inline bool Client::write_request(Stream &strm, const Request &req, // Additonal headers Headers headers; - if (last_connection) { headers.emplace("Connection", "close"); } + if (close_connection) { headers.emplace("Connection", "close"); } if (!req.has_header("Host")) { if (is_ssl()) { @@ -3810,7 +4881,7 @@ inline bool Client::write_request(Stream &strm, const Request &req, if (!req.has_header("Accept")) { headers.emplace("Accept", "*/*"); } if (!req.has_header("User-Agent")) { - headers.emplace("User-Agent", "cpp-httplib/0.5"); + headers.emplace("User-Agent", "cpp-httplib/0.7"); } if (req.body.empty()) { @@ -3818,7 +4889,10 @@ inline bool Client::write_request(Stream &strm, const Request &req, auto length = std::to_string(req.content_length); headers.emplace("Content-Length", length); } else { - headers.emplace("Content-Length", "0"); + if (req.method == "POST" || req.method == "PUT" || + req.method == "PATCH") { + headers.emplace("Content-Length", "0"); + } } } else { if (!req.has_header("Content-Type")) { @@ -3831,7 +4905,7 @@ inline bool Client::write_request(Stream &strm, const Request &req, } } - if (!basic_auth_username_.empty() && !basic_auth_password_.empty()) { + if (!basic_auth_password_.empty()) { headers.insert(make_basic_authentication_header( basic_auth_username_, basic_auth_password_, false)); } @@ -3842,11 +4916,24 @@ inline bool Client::write_request(Stream &strm, const Request &req, proxy_basic_auth_username_, proxy_basic_auth_password_, true)); } + if (!bearer_token_auth_token_.empty()) { + headers.insert(make_bearer_token_authentication_header( + bearer_token_auth_token_, false)); + } + + if (!proxy_bearer_token_auth_token_.empty()) { + headers.insert(make_bearer_token_authentication_header( + proxy_bearer_token_auth_token_, true)); + } + detail::write_headers(bstrm, req, headers); // Flush buffer auto &data = bstrm.get_buffer(); - strm.write(data.data(), data.size()); + if (!detail::write_data(strm, data.data(), data.size())) { + error_ = Error::Write; + return false; + } // Body if (req.body.empty()) { @@ -3854,55 +4941,95 @@ inline bool Client::write_request(Stream &strm, const Request &req, size_t offset = 0; size_t end_offset = req.content_length; + bool ok = true; + DataSink data_sink; data_sink.write = [&](const char *d, size_t l) { - auto written_length = strm.write(d, l); - offset += written_length; + if (ok) { + if (detail::write_data(strm, d, l)) { + offset += l; + } else { + ok = false; + } + } }; - data_sink.is_writable = [&](void) { return strm.is_writable(); }; + data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; while (offset < end_offset) { - req.content_provider(offset, end_offset - offset, data_sink); + if (!req.content_provider(offset, end_offset - offset, data_sink)) { + error_ = Error::Canceled; + return false; + } + if (!ok) { + error_ = Error::Write; + return false; + } } } } else { - strm.write(req.body); + return detail::write_data(strm, req.body.data(), req.body.size()); } return true; } -inline std::shared_ptr<Response> Client::send_with_content_provider( +inline std::shared_ptr<Response> ClientImpl::send_with_content_provider( const char *method, const char *path, const Headers &headers, const std::string &body, size_t content_length, ContentProvider content_provider, const char *content_type) { + Request req; req.method = method; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; - req.headers.emplace("Content-Type", content_type); + if (content_type) { req.headers.emplace("Content-Type", content_type); } #ifdef CPPHTTPLIB_ZLIB_SUPPORT if (compress_) { + detail::gzip_compressor compressor; + if (content_provider) { + auto ok = true; size_t offset = 0; DataSink data_sink; data_sink.write = [&](const char *data, size_t data_len) { - req.body.append(data, data_len); - offset += data_len; + if (ok) { + auto last = offset + data_len == content_length; + + auto ret = compressor.compress( + data, data_len, last, [&](const char *data, size_t data_len) { + req.body.append(data, data_len); + return true; + }); + + if (ret) { + offset += data_len; + } else { + ok = false; + } + } }; - data_sink.is_writable = [&](void) { return true; }; + data_sink.is_writable = [&](void) { return ok && true; }; - while (offset < content_length) { - content_provider(offset, content_length - offset, data_sink); + while (ok && offset < content_length) { + if (!content_provider(offset, content_length - offset, data_sink)) { + error_ = Error::Canceled; + return nullptr; + } } } else { - req.body = body; + if (!compressor.compress(body.data(), body.size(), true, + [&](const char *data, size_t data_len) { + req.body.append(data, data_len); + return true; + })) { + return nullptr; + } } - if (!detail::compress(req.body)) { return nullptr; } req.headers.emplace("Content-Encoding", "gzip"); } else #endif @@ -3920,215 +5047,232 @@ inline std::shared_ptr<Response> Client::send_with_content_provider( return send(req, *res) ? res : nullptr; } -inline bool Client::process_request(Stream &strm, const Request &req, - Response &res, bool last_connection, - bool &connection_close) { +inline bool ClientImpl::process_request(Stream &strm, const Request &req, + Response &res, bool close_connection) { // Send request - if (!write_request(strm, req, last_connection)) { return false; } + if (!write_request(strm, req, close_connection)) { return false; } // Receive response and headers if (!read_response_line(strm, res) || !detail::read_headers(strm, res.headers)) { + error_ = Error::Read; return false; } - if (res.get_header_value("Connection") == "close" || - res.version == "HTTP/1.0") { - connection_close = true; - } - if (req.response_handler) { - if (!req.response_handler(res)) { return false; } + if (!req.response_handler(res)) { + error_ = Error::Canceled; + return false; + } } // Body if (req.method != "HEAD" && req.method != "CONNECT") { - ContentReceiver out = [&](const char *buf, size_t n) { - if (res.body.size() + n > res.body.max_size()) { return false; } - res.body.append(buf, n); - return true; + auto out = + req.content_receiver + ? static_cast<ContentReceiver>([&](const char *buf, size_t n) { + auto ret = req.content_receiver(buf, n); + if (!ret) { error_ = Error::Canceled; } + return ret; + }) + : static_cast<ContentReceiver>([&](const char *buf, size_t n) { + if (res.body.size() + n > res.body.max_size()) { return false; } + res.body.append(buf, n); + return true; + }); + + auto progress = [&](uint64_t current, uint64_t total) { + if (!req.progress) { return true; } + auto ret = req.progress(current, total); + if (!ret) { error_ = Error::Canceled; } + return ret; }; - if (req.content_receiver) { - out = [&](const char *buf, size_t n) { - return req.content_receiver(buf, n); - }; - } - int dummy_status; - if (!detail::read_content(strm, res, std::numeric_limits<size_t>::max(), - dummy_status, req.progress, out)) { + if (!detail::read_content(strm, res, (std::numeric_limits<size_t>::max)(), + dummy_status, progress, out, decompress_)) { + if (error_ != Error::Canceled) { error_ = Error::Read; } return false; } } + if (res.get_header_value("Connection") == "close" || + (res.version == "HTTP/1.0" && res.reason != "Connection established")) { + stop_core(); + } + // Log if (logger_) { logger_(req, res); } return true; } -inline bool Client::process_and_close_socket( - socket_t sock, size_t request_count, - std::function<bool(Stream &strm, bool last_connection, - bool &connection_close)> - callback) { - request_count = std::min(request_count, keep_alive_max_count_); - return detail::process_and_close_socket(true, sock, request_count, - read_timeout_sec_, read_timeout_usec_, - callback); +inline bool +ClientImpl::process_socket(Socket &socket, + std::function<bool(Stream &strm)> callback) { + return detail::process_client_socket(socket.sock, read_timeout_sec_, + read_timeout_usec_, write_timeout_sec_, + write_timeout_usec_, callback); } -inline bool Client::is_ssl() const { return false; } +inline bool ClientImpl::is_ssl() const { return false; } -inline std::shared_ptr<Response> Client::Get(const char *path) { +inline Result ClientImpl::Get(const char *path) { return Get(path, Headers(), Progress()); } -inline std::shared_ptr<Response> Client::Get(const char *path, - Progress progress) { +inline Result ClientImpl::Get(const char *path, Progress progress) { return Get(path, Headers(), std::move(progress)); } -inline std::shared_ptr<Response> Client::Get(const char *path, - const Headers &headers) { +inline Result ClientImpl::Get(const char *path, const Headers &headers) { return Get(path, headers, Progress()); } -inline std::shared_ptr<Response> -Client::Get(const char *path, const Headers &headers, Progress progress) { +inline Result ClientImpl::Get(const char *path, const Headers &headers, + Progress progress) { Request req; req.method = "GET"; req.path = path; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.progress = std::move(progress); auto res = std::make_shared<Response>(); - return send(req, *res) ? res : nullptr; + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; } -inline std::shared_ptr<Response> Client::Get(const char *path, - ContentReceiver content_receiver) { - return Get(path, Headers(), nullptr, std::move(content_receiver), Progress()); +inline Result ClientImpl::Get(const char *path, + ContentReceiver content_receiver) { + return Get(path, Headers(), nullptr, std::move(content_receiver), nullptr); } -inline std::shared_ptr<Response> Client::Get(const char *path, - ContentReceiver content_receiver, - Progress progress) { +inline Result ClientImpl::Get(const char *path, + ContentReceiver content_receiver, + Progress progress) { return Get(path, Headers(), nullptr, std::move(content_receiver), std::move(progress)); } -inline std::shared_ptr<Response> Client::Get(const char *path, - const Headers &headers, - ContentReceiver content_receiver) { - return Get(path, headers, nullptr, std::move(content_receiver), Progress()); +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver) { + return Get(path, headers, nullptr, std::move(content_receiver), nullptr); } -inline std::shared_ptr<Response> Client::Get(const char *path, - const Headers &headers, - ContentReceiver content_receiver, - Progress progress) { +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { return Get(path, headers, nullptr, std::move(content_receiver), std::move(progress)); } -inline std::shared_ptr<Response> Client::Get(const char *path, - const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver) { +inline Result ClientImpl::Get(const char *path, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return Get(path, Headers(), std::move(response_handler), content_receiver, + nullptr); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver) { return Get(path, headers, std::move(response_handler), content_receiver, - Progress()); + nullptr); } -inline std::shared_ptr<Response> Client::Get(const char *path, - const Headers &headers, - ResponseHandler response_handler, - ContentReceiver content_receiver, - Progress progress) { +inline Result ClientImpl::Get(const char *path, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, Headers(), std::move(response_handler), content_receiver, + progress); +} + +inline Result ClientImpl::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { Request req; req.method = "GET"; req.path = path; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.response_handler = std::move(response_handler); req.content_receiver = std::move(content_receiver); req.progress = std::move(progress); auto res = std::make_shared<Response>(); - return send(req, *res) ? res : nullptr; + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; } -inline std::shared_ptr<Response> Client::Head(const char *path) { +inline Result ClientImpl::Head(const char *path) { return Head(path, Headers()); } -inline std::shared_ptr<Response> Client::Head(const char *path, - const Headers &headers) { +inline Result ClientImpl::Head(const char *path, const Headers &headers) { Request req; req.method = "HEAD"; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; auto res = std::make_shared<Response>(); + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; +} - return send(req, *res) ? res : nullptr; +inline Result ClientImpl::Post(const char *path) { + return Post(path, std::string(), nullptr); } -inline std::shared_ptr<Response> Client::Post(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Post(const char *path, const std::string &body, + const char *content_type) { return Post(path, Headers(), body, content_type); } -inline std::shared_ptr<Response> Client::Post(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - return send_with_content_provider("POST", path, headers, body, 0, nullptr, - content_type); +inline Result ClientImpl::Post(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + auto ret = send_with_content_provider("POST", path, headers, body, 0, nullptr, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr<Response> Client::Post(const char *path, - const Params ¶ms) { +inline Result ClientImpl::Post(const char *path, const Params ¶ms) { return Post(path, Headers(), params); } -inline std::shared_ptr<Response> Client::Post(const char *path, - size_t content_length, - ContentProvider content_provider, - const char *content_type) { +inline Result ClientImpl::Post(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { return Post(path, Headers(), content_length, content_provider, content_type); } -inline std::shared_ptr<Response> -Client::Post(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type) { - return send_with_content_provider("POST", path, headers, std::string(), - content_length, content_provider, - content_type); +inline Result ClientImpl::Post(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + auto ret = send_with_content_provider("POST", path, headers, std::string(), + content_length, content_provider, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr<Response> -Client::Post(const char *path, const Headers &headers, const Params ¶ms) { - std::string query; - for (auto it = params.begin(); it != params.end(); ++it) { - if (it != params.begin()) { query += "&"; } - query += it->first; - query += "="; - query += detail::encode_url(it->second); - } - +inline Result ClientImpl::Post(const char *path, const Headers &headers, + const Params ¶ms) { + auto query = detail::params_to_query_str(params); return Post(path, headers, query, "application/x-www-form-urlencoded"); } -inline std::shared_ptr<Response> -Client::Post(const char *path, const MultipartFormDataItems &items) { +inline Result ClientImpl::Post(const char *path, + const MultipartFormDataItems &items) { return Post(path, Headers(), items); } -inline std::shared_ptr<Response> -Client::Post(const char *path, const Headers &headers, - const MultipartFormDataItems &items) { +inline Result ClientImpl::Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items) { auto boundary = detail::make_multipart_data_boundary(); std::string body; @@ -4153,182 +5297,229 @@ Client::Post(const char *path, const Headers &headers, return Post(path, headers, body, content_type.c_str()); } -inline std::shared_ptr<Response> Client::Put(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Put(const char *path) { + return Put(path, std::string(), nullptr); +} + +inline Result ClientImpl::Put(const char *path, const std::string &body, + const char *content_type) { return Put(path, Headers(), body, content_type); } -inline std::shared_ptr<Response> Client::Put(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - return send_with_content_provider("PUT", path, headers, body, 0, nullptr, - content_type); +inline Result ClientImpl::Put(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + auto ret = send_with_content_provider("PUT", path, headers, body, 0, nullptr, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr<Response> Client::Put(const char *path, - size_t content_length, - ContentProvider content_provider, - const char *content_type) { +inline Result ClientImpl::Put(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { return Put(path, Headers(), content_length, content_provider, content_type); } -inline std::shared_ptr<Response> -Client::Put(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type) { - return send_with_content_provider("PUT", path, headers, std::string(), - content_length, content_provider, - content_type); +inline Result ClientImpl::Put(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + auto ret = send_with_content_provider("PUT", path, headers, std::string(), + content_length, content_provider, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr<Response> Client::Put(const char *path, - const Params ¶ms) { +inline Result ClientImpl::Put(const char *path, const Params ¶ms) { return Put(path, Headers(), params); } -inline std::shared_ptr<Response> -Client::Put(const char *path, const Headers &headers, const Params ¶ms) { - std::string query; - for (auto it = params.begin(); it != params.end(); ++it) { - if (it != params.begin()) { query += "&"; } - query += it->first; - query += "="; - query += detail::encode_url(it->second); - } - +inline Result ClientImpl::Put(const char *path, const Headers &headers, + const Params ¶ms) { + auto query = detail::params_to_query_str(params); return Put(path, headers, query, "application/x-www-form-urlencoded"); } -inline std::shared_ptr<Response> Client::Patch(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Patch(const char *path, const std::string &body, + const char *content_type) { return Patch(path, Headers(), body, content_type); } -inline std::shared_ptr<Response> Client::Patch(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { - return send_with_content_provider("PATCH", path, headers, body, 0, nullptr, - content_type); +inline Result ClientImpl::Patch(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + auto ret = send_with_content_provider("PATCH", path, headers, body, 0, + nullptr, content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr<Response> Client::Patch(const char *path, - size_t content_length, - ContentProvider content_provider, - const char *content_type) { +inline Result ClientImpl::Patch(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { return Patch(path, Headers(), content_length, content_provider, content_type); } -inline std::shared_ptr<Response> -Client::Patch(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type) { - return send_with_content_provider("PATCH", path, headers, std::string(), - content_length, content_provider, - content_type); +inline Result ClientImpl::Patch(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + auto ret = send_with_content_provider("PATCH", path, headers, std::string(), + content_length, content_provider, + content_type); + return Result{ret, get_last_error()}; } -inline std::shared_ptr<Response> Client::Delete(const char *path) { +inline Result ClientImpl::Delete(const char *path) { return Delete(path, Headers(), std::string(), nullptr); } -inline std::shared_ptr<Response> Client::Delete(const char *path, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Delete(const char *path, const std::string &body, + const char *content_type) { return Delete(path, Headers(), body, content_type); } -inline std::shared_ptr<Response> Client::Delete(const char *path, - const Headers &headers) { +inline Result ClientImpl::Delete(const char *path, const Headers &headers) { return Delete(path, headers, std::string(), nullptr); } -inline std::shared_ptr<Response> Client::Delete(const char *path, - const Headers &headers, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Delete(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { Request req; req.method = "DELETE"; - req.headers = headers; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; if (content_type) { req.headers.emplace("Content-Type", content_type); } req.body = body; auto res = std::make_shared<Response>(); - - return send(req, *res) ? res : nullptr; + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; } -inline std::shared_ptr<Response> Client::Options(const char *path) { +inline Result ClientImpl::Options(const char *path) { return Options(path, Headers()); } -inline std::shared_ptr<Response> Client::Options(const char *path, - const Headers &headers) { +inline Result ClientImpl::Options(const char *path, const Headers &headers) { Request req; req.method = "OPTIONS"; + req.headers = default_headers_; + req.headers.insert(headers.begin(), headers.end()); req.path = path; - req.headers = headers; auto res = std::make_shared<Response>(); + auto ret = send(req, *res); + return Result{ret ? res : nullptr, get_last_error()}; +} - return send(req, *res) ? res : nullptr; +inline size_t ClientImpl::is_socket_open() const { + std::lock_guard<std::mutex> guard(socket_mutex_); + return socket_.is_open(); } -inline void Client::set_timeout_sec(time_t timeout_sec) { - timeout_sec_ = timeout_sec; +inline void ClientImpl::stop() { + stop_core(); + error_ = Error::Canceled; } -inline void Client::set_read_timeout(time_t sec, time_t usec) { +inline void ClientImpl::stop_core() { + std::lock_guard<std::mutex> guard(socket_mutex_); + if (socket_.is_open()) { + detail::shutdown_socket(socket_.sock); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + close_socket(socket_, true); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + } +} + +inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) { + connection_timeout_sec_ = sec; + connection_timeout_usec_ = usec; +} + +inline void ClientImpl::set_read_timeout(time_t sec, time_t usec) { read_timeout_sec_ = sec; read_timeout_usec_ = usec; } -inline void Client::set_keep_alive_max_count(size_t count) { - keep_alive_max_count_ = count; +inline void ClientImpl::set_write_timeout(time_t sec, time_t usec) { + write_timeout_sec_ = sec; + write_timeout_usec_ = usec; } -inline void Client::set_basic_auth(const char *username, const char *password) { +inline void ClientImpl::set_basic_auth(const char *username, + const char *password) { basic_auth_username_ = username; basic_auth_password_ = password; } +inline void ClientImpl::set_bearer_token_auth(const char *token) { + bearer_token_auth_token_ = token; +} + #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_digest_auth(const char *username, - const char *password) { +inline void ClientImpl::set_digest_auth(const char *username, + const char *password) { digest_auth_username_ = username; digest_auth_password_ = password; } #endif -inline void Client::set_follow_location(bool on) { follow_location_ = on; } +inline void ClientImpl::set_keep_alive(bool on) { keep_alive_ = on; } -inline void Client::set_compress(bool on) { compress_ = on; } +inline void ClientImpl::set_follow_location(bool on) { follow_location_ = on; } -inline void Client::set_interface(const char *intf) { interface_ = intf; } +inline void ClientImpl::set_default_headers(Headers headers) { + default_headers_ = std::move(headers); +} -inline void Client::set_proxy(const char *host, int port) { +inline void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } + +inline void ClientImpl::set_socket_options(SocketOptions socket_options) { + socket_options_ = socket_options; +} + +inline void ClientImpl::set_compress(bool on) { compress_ = on; } + +inline void ClientImpl::set_decompress(bool on) { decompress_ = on; } + +inline void ClientImpl::set_interface(const char *intf) { interface_ = intf; } + +inline void ClientImpl::set_proxy(const char *host, int port) { proxy_host_ = host; proxy_port_ = port; } -inline void Client::set_proxy_basic_auth(const char *username, - const char *password) { +inline void ClientImpl::set_proxy_basic_auth(const char *username, + const char *password) { proxy_basic_auth_username_ = username; proxy_basic_auth_password_ = password; } +inline void ClientImpl::set_proxy_bearer_token_auth(const char *token) { + proxy_bearer_token_auth_token_ = token; +} + #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_proxy_digest_auth(const char *username, - const char *password) { +inline void ClientImpl::set_proxy_digest_auth(const char *username, + const char *password) { proxy_digest_auth_username_ = username; proxy_digest_auth_password_ = password; } #endif -inline void Client::set_logger(Logger logger) { logger_ = std::move(logger); } +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::enable_server_certificate_verification(bool enabled) { + server_certificate_verification_ = enabled; +} +#endif + +inline void ClientImpl::set_logger(Logger logger) { + logger_ = std::move(logger); +} /* * SSL Implementation @@ -4336,72 +5527,66 @@ inline void Client::set_logger(Logger logger) { logger_ = std::move(logger); } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT namespace detail { -template <typename U, typename V, typename T> -inline bool process_and_close_socket_ssl( - bool is_client_request, socket_t sock, size_t keep_alive_max_count, - time_t read_timeout_sec, time_t read_timeout_usec, SSL_CTX *ctx, - std::mutex &ctx_mutex, U SSL_connect_or_accept, V setup, T callback) { - assert(keep_alive_max_count > 0); - +template <typename U, typename V> +inline SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex, + U SSL_connect_or_accept, V setup) { SSL *ssl = nullptr; { std::lock_guard<std::mutex> guard(ctx_mutex); ssl = SSL_new(ctx); } - if (!ssl) { - close_socket(sock); - return false; - } - - auto bio = BIO_new_socket(static_cast<int>(sock), BIO_NOCLOSE); - SSL_set_bio(ssl, bio, bio); + if (ssl) { + auto bio = BIO_new_socket(static_cast<int>(sock), BIO_NOCLOSE); + SSL_set_bio(ssl, bio, bio); - if (!setup(ssl)) { - SSL_shutdown(ssl); - { - std::lock_guard<std::mutex> guard(ctx_mutex); - SSL_free(ssl); + if (!setup(ssl) || SSL_connect_or_accept(ssl) != 1) { + SSL_shutdown(ssl); + { + std::lock_guard<std::mutex> guard(ctx_mutex); + SSL_free(ssl); + } + return nullptr; } - - close_socket(sock); - return false; } - auto ret = false; + return ssl; +} - if (SSL_connect_or_accept(ssl) == 1) { - if (keep_alive_max_count > 1) { - auto count = keep_alive_max_count; - while (count > 0 && - (is_client_request || - detail::select_read(sock, CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND, - CPPHTTPLIB_KEEPALIVE_TIMEOUT_USECOND) > 0)) { - SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec); - auto last_connection = count == 1; - auto connection_close = false; - - ret = callback(ssl, strm, last_connection, connection_close); - if (!ret || connection_close) { break; } - - count--; - } - } else { - SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec); - auto dummy_connection_close = false; - ret = callback(ssl, strm, true, dummy_connection_close); - } +inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl, + bool process_socket_ret) { + if (process_socket_ret) { + SSL_shutdown(ssl); // shutdown only if not already closed by remote } - SSL_shutdown(ssl); - { - std::lock_guard<std::mutex> guard(ctx_mutex); - SSL_free(ssl); - } + std::lock_guard<std::mutex> guard(ctx_mutex); + SSL_free(ssl); +} - close_socket(sock); +template <typename T> +inline bool +process_server_socket_ssl(SSL *ssl, socket_t sock, size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, + time_t read_timeout_sec, time_t read_timeout_usec, + time_t write_timeout_sec, time_t write_timeout_usec, + T callback) { + return process_server_socket_core( + sock, keep_alive_max_count, keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} - return ret; +template <typename T> +inline bool +process_client_socket_ssl(SSL *ssl, socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm); } #if OPENSSL_VERSION_NUMBER < 0x10100000L @@ -4420,11 +5605,11 @@ public: private: static void locking_callback(int mode, int type, const char * /*file*/, int /*line*/) { - auto &locks = *openSSL_locks_; + auto &lk = (*openSSL_locks_)[static_cast<size_t>(type)]; if (mode & CRYPTO_LOCK) { - locks[type].lock(); + lk.lock(); } else { - locks[type].unlock(); + lk.unlock(); } } }; @@ -4458,9 +5643,30 @@ private: // SSL socket stream implementation inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, - time_t read_timeout_usec) + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec) : sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec), - read_timeout_usec_(read_timeout_usec) {} + read_timeout_usec_(read_timeout_usec), + write_timeout_sec_(write_timeout_sec), + write_timeout_usec_(write_timeout_usec) { + { + timeval tv; + tv.tv_sec = static_cast<long>(read_timeout_sec); + tv.tv_usec = static_cast<decltype(tv.tv_usec)>(read_timeout_usec); + + setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast<char *>(&tv), + sizeof(tv)); + } + { + timeval tv; + tv.tv_sec = static_cast<long>(write_timeout_sec); + tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec); + + setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast<char *>(&tv), + sizeof(tv)); + } +} inline SSLSocketStream::~SSLSocketStream() {} @@ -4469,24 +5675,25 @@ inline bool SSLSocketStream::is_readable() const { } inline bool SSLSocketStream::is_writable() const { - return detail::select_write(sock_, 0, 0) > 0; + return detail::select_write(sock_, write_timeout_sec_, write_timeout_usec_) > + 0; } -inline int SSLSocketStream::read(char *ptr, size_t size) { - if (SSL_pending(ssl_) > 0 || - select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0) { +inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { + if (SSL_pending(ssl_) > 0 || is_readable()) { return SSL_read(ssl_, ptr, static_cast<int>(size)); } return -1; } -inline int SSLSocketStream::write(const char *ptr, size_t size) { +inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) { if (is_writable()) { return SSL_write(ssl_, ptr, static_cast<int>(size)); } return -1; } -inline std::string SSLSocketStream::get_remote_addr() const { - return detail::get_remote_addr(sock_); +inline void SSLSocketStream::get_remote_ip_and_port(std::string &ip, + int &port) const { + detail::get_remote_ip_and_port(sock_, ip, port); } static SSLInit sslinit_; @@ -4532,6 +5739,33 @@ inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, } } +inline SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key, + X509_STORE *client_ca_cert_store) { + ctx_ = SSL_CTX_new(SSLv23_server_method()); + + if (ctx_) { + SSL_CTX_set_options(ctx_, + SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | + SSL_OP_NO_COMPRESSION | + SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); + + if (SSL_CTX_use_certificate(ctx_, cert) != 1 || + SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } else if (client_ca_cert_store) { + + SSL_CTX_set_cert_store(ctx_, client_ca_cert_store); + + SSL_CTX_set_verify( + ctx_, + SSL_VERIFY_PEER | + SSL_VERIFY_FAIL_IF_NO_PEER_CERT, // SSL_VERIFY_CLIENT_ONCE, + nullptr); + } + } +} + inline SSLServer::~SSLServer() { if (ctx_) { SSL_CTX_free(ctx_); } } @@ -4539,21 +5773,39 @@ inline SSLServer::~SSLServer() { inline bool SSLServer::is_valid() const { return ctx_; } inline bool SSLServer::process_and_close_socket(socket_t sock) { - return detail::process_and_close_socket_ssl( - false, sock, keep_alive_max_count_, read_timeout_sec_, read_timeout_usec_, - ctx_, ctx_mutex_, SSL_accept, [](SSL * /*ssl*/) { return true; }, - [this](SSL *ssl, Stream &strm, bool last_connection, - bool &connection_close) { - return process_request(strm, last_connection, connection_close, - [&](Request &req) { req.ssl = ssl; }); - }); + auto ssl = detail::ssl_new(sock, ctx_, ctx_mutex_, SSL_accept, + [](SSL * /*ssl*/) { return true; }); + + if (ssl) { + auto ret = detail::process_server_socket_ssl( + ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_, + read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, + write_timeout_usec_, + [this, ssl](Stream &strm, bool close_connection, + bool &connection_closed) { + return process_request(strm, close_connection, connection_closed, + [&](Request &req) { req.ssl = ssl; }); + }); + + detail::ssl_delete(ctx_mutex_, ssl, ret); + return ret; + } + + detail::close_socket(sock); + return false; } // SSL HTTP client implementation +inline SSLClient::SSLClient(const std::string &host) + : SSLClient(host, 443, std::string(), std::string()) {} + +inline SSLClient::SSLClient(const std::string &host, int port) + : SSLClient(host, port, std::string(), std::string()) {} + inline SSLClient::SSLClient(const std::string &host, int port, const std::string &client_cert_path, const std::string &client_key_path) - : Client(host, port, client_cert_path, client_key_path) { + : ClientImpl(host, port, client_cert_path, client_key_path) { ctx_ = SSL_CTX_new(SSLv23_client_method()); detail::split(&host_[0], &host_[host_.size()], '.', @@ -4571,6 +5823,24 @@ inline SSLClient::SSLClient(const std::string &host, int port, } } +inline SSLClient::SSLClient(const std::string &host, int port, + X509 *client_cert, EVP_PKEY *client_key) + : ClientImpl(host, port) { + ctx_ = SSL_CTX_new(SSLv23_client_method()); + + detail::split(&host_[0], &host_[host_.size()], '.', + [&](const char *b, const char *e) { + host_components_.emplace_back(std::string(b, e)); + }); + if (client_cert != nullptr && client_key != nullptr) { + if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 || + SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; + } + } +} + inline SSLClient::~SSLClient() { if (ctx_) { SSL_CTX_free(ctx_); } } @@ -4583,67 +5853,178 @@ inline void SSLClient::set_ca_cert_path(const char *ca_cert_file_path, if (ca_cert_dir_path) { ca_cert_dir_path_ = ca_cert_dir_path; } } -inline void SSLClient::enable_server_certificate_verification(bool enabled) { - server_certificate_verification_ = enabled; +inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (ca_cert_store) { + if (ctx_) { + if (SSL_CTX_get_cert_store(ctx_) != ca_cert_store) { + // Free memory allocated for old cert and use new store `ca_cert_store` + SSL_CTX_set_cert_store(ctx_, ca_cert_store); + } + } else { + X509_STORE_free(ca_cert_store); + } + } } inline long SSLClient::get_openssl_verify_result() const { return verify_result_; } -inline SSL_CTX *SSLClient::ssl_context() const noexcept { return ctx_; } +inline SSL_CTX *SSLClient::ssl_context() const { return ctx_; } + +inline bool SSLClient::create_and_connect_socket(Socket &socket) { + return is_valid() && ClientImpl::create_and_connect_socket(socket); +} + +inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, + bool &success) { + success = true; + Response res2; + + if (!detail::process_client_socket( + socket.sock, read_timeout_sec_, read_timeout_usec_, + write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { + Request req2; + req2.method = "CONNECT"; + req2.path = host_and_port_; + return process_request(strm, req2, res2, false); + })) { + close_socket(socket, true); + success = false; + return false; + } + + if (res2.status == 407) { + if (!proxy_digest_auth_username_.empty() && + !proxy_digest_auth_password_.empty()) { + std::map<std::string, std::string> auth; + if (detail::parse_www_authenticate(res2, auth, true)) { + Response res3; + if (!detail::process_client_socket( + socket.sock, read_timeout_sec_, read_timeout_usec_, + write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { + Request req3; + req3.method = "CONNECT"; + req3.path = host_and_port_; + req3.headers.insert(detail::make_digest_authentication_header( + req3, auth, 1, detail::random_string(10), + proxy_digest_auth_username_, proxy_digest_auth_password_, + true)); + return process_request(strm, req3, res3, false); + })) { + close_socket(socket, true); + success = false; + return false; + } + } + } else { + res = res2; + return false; + } + } + + return true; +} + +inline bool SSLClient::load_certs() { + bool ret = true; + + std::call_once(initialize_cert_, [&]() { + std::lock_guard<std::mutex> guard(ctx_mutex_); + if (!ca_cert_file_path_.empty()) { + if (!SSL_CTX_load_verify_locations(ctx_, ca_cert_file_path_.c_str(), + nullptr)) { + ret = false; + } + } else if (!ca_cert_dir_path_.empty()) { + if (!SSL_CTX_load_verify_locations(ctx_, nullptr, + ca_cert_dir_path_.c_str())) { + ret = false; + } + } else { +#ifdef _WIN32 + detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_)); +#else + SSL_CTX_set_default_verify_paths(ctx_); +#endif + } + }); + + return ret; +} + +inline bool SSLClient::initialize_ssl(Socket &socket) { + auto ssl = detail::ssl_new( + socket.sock, ctx_, ctx_mutex_, + [&](SSL *ssl) { + if (server_certificate_verification_) { + if (!load_certs()) { + error_ = Error::SSLLoadingCerts; + return false; + } + SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr); + } -inline bool SSLClient::process_and_close_socket( - socket_t sock, size_t request_count, - std::function<bool(Stream &strm, bool last_connection, - bool &connection_close)> - callback) { + if (SSL_connect(ssl) != 1) { + error_ = Error::SSLConnection; + return false; + } - request_count = std::min(request_count, keep_alive_max_count_); + if (server_certificate_verification_) { + verify_result_ = SSL_get_verify_result(ssl); - return is_valid() && - detail::process_and_close_socket_ssl( - true, sock, request_count, read_timeout_sec_, read_timeout_usec_, - ctx_, ctx_mutex_, - [&](SSL *ssl) { - if (ca_cert_file_path_.empty()) { - SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, nullptr); - } else { - if (!SSL_CTX_load_verify_locations( - ctx_, ca_cert_file_path_.c_str(), nullptr)) { - return false; - } - SSL_CTX_set_verify(ctx_, SSL_VERIFY_PEER, nullptr); - } + if (verify_result_ != X509_V_OK) { + error_ = Error::SSLServerVerification; + return false; + } + + auto server_cert = SSL_get_peer_certificate(ssl); - if (SSL_connect(ssl) != 1) { return false; } + if (server_cert == nullptr) { + error_ = Error::SSLServerVerification; + return false; + } - if (server_certificate_verification_) { - verify_result_ = SSL_get_verify_result(ssl); + if (!verify_host(server_cert)) { + X509_free(server_cert); + error_ = Error::SSLServerVerification; + return false; + } + X509_free(server_cert); + } - if (verify_result_ != X509_V_OK) { return false; } + return true; + }, + [&](SSL *ssl) { + SSL_set_tlsext_host_name(ssl, host_.c_str()); + return true; + }); - auto server_cert = SSL_get_peer_certificate(ssl); + if (ssl) { + socket.ssl = ssl; + return true; + } - if (server_cert == nullptr) { return false; } + close_socket(socket, false); + return false; +} - if (!verify_host(server_cert)) { - X509_free(server_cert); - return false; - } - X509_free(server_cert); - } +inline void SSLClient::close_socket(Socket &socket, bool process_socket_ret) { + detail::close_socket(socket.sock); + socket_.sock = INVALID_SOCKET; + if (socket.ssl) { + detail::ssl_delete(ctx_mutex_, socket.ssl, process_socket_ret); + socket_.ssl = nullptr; + } +} - return true; - }, - [&](SSL *ssl) { - SSL_set_tlsext_host_name(ssl, host_.c_str()); - return true; - }, - [&](SSL * /*ssl*/, Stream &strm, bool last_connection, - bool &connection_close) { - return callback(strm, last_connection, connection_close); - }); +inline bool +SSLClient::process_socket(Socket &socket, + std::function<bool(Stream &strm)> callback) { + assert(socket.ssl); + return detail::process_client_socket_ssl( + socket.ssl, socket.sock, read_timeout_sec_, read_timeout_usec_, + write_timeout_sec_, write_timeout_usec_, callback); } inline bool SSLClient::is_ssl() const { return true; } @@ -4703,7 +6084,7 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { auto count = sk_GENERAL_NAME_num(alt_names); - for (auto i = 0; i < count && !dsn_matched; i++) { + for (decltype(count) i = 0; i < count && !dsn_matched; i++) { auto val = sk_GENERAL_NAME_value(alt_names, i); if (val->type == type) { auto name = (const char *)ASN1_STRING_get0_data(val->d.ia5); @@ -4728,7 +6109,6 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { } GENERAL_NAMES_free((STACK_OF(GENERAL_NAME) *)alt_names); - return ret; } @@ -4740,7 +6120,9 @@ inline bool SSLClient::verify_host_with_common_name(X509 *server_cert) const { auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName, name, sizeof(name)); - if (name_len != -1) { return check_host_name(name, name_len); } + if (name_len != -1) { + return check_host_name(name, static_cast<size_t>(name_len)); + } } return false; @@ -4775,6 +6157,327 @@ inline bool SSLClient::check_host_name(const char *pattern, } #endif +// Universal client implementation +inline Client::Client(const char *scheme_host_port) + : Client(scheme_host_port, std::string(), std::string()) {} + +inline Client::Client(const char *scheme_host_port, + const std::string &client_cert_path, + const std::string &client_key_path) { + const static std::regex re(R"(^(?:([a-z]+)://)?([^:/?#]+)(?::(\d+))?)"); + + std::cmatch m; + if (std::regex_match(scheme_host_port, m, re)) { + auto scheme = m[1].str(); + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if (!scheme.empty() && (scheme != "http" && scheme != "https")) { +#else + if (!scheme.empty() && scheme != "http") { +#endif + return; + } + + auto is_ssl = scheme == "https"; + + auto host = m[2].str(); + + auto port_str = m[3].str(); + auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80); + + if (is_ssl) { +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + cli_ = std::make_shared<SSLClient>(host.c_str(), port, client_cert_path, + client_key_path); + is_ssl_ = is_ssl; +#endif + } else { + cli_ = std::make_shared<ClientImpl>(host.c_str(), port, client_cert_path, + client_key_path); + } + } else { + cli_ = std::make_shared<ClientImpl>(scheme_host_port, 80, client_cert_path, + client_key_path); + } +} + +inline Client::Client(const std::string &host, int port) + : cli_(std::make_shared<ClientImpl>(host, port)) {} + +inline Client::Client(const std::string &host, int port, + const std::string &client_cert_path, + const std::string &client_key_path) + : cli_(std::make_shared<ClientImpl>(host, port, client_cert_path, + client_key_path)) {} + +inline Client::~Client() {} + +inline bool Client::is_valid() const { + return cli_ != nullptr && cli_->is_valid(); +} + +inline Result Client::Get(const char *path) { return cli_->Get(path); } +inline Result Client::Get(const char *path, const Headers &headers) { + return cli_->Get(path, headers); +} +inline Result Client::Get(const char *path, Progress progress) { + return cli_->Get(path, progress); +} +inline Result Client::Get(const char *path, const Headers &headers, + Progress progress) { + return cli_->Get(path, headers, progress); +} +inline Result Client::Get(const char *path, ContentReceiver content_receiver) { + return cli_->Get(path, std::move(content_receiver)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver) { + return cli_->Get(path, headers, std::move(content_receiver)); +} +inline Result Client::Get(const char *path, ContentReceiver content_receiver, + Progress progress) { + return cli_->Get(path, std::move(content_receiver), std::move(progress)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, headers, std::move(content_receiver), + std::move(progress)); +} +inline Result Client::Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver) { + return cli_->Get(path, std::move(response_handler), + std::move(content_receiver)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver) { + return cli_->Get(path, headers, std::move(response_handler), + std::move(content_receiver)); +} +inline Result Client::Get(const char *path, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, std::move(response_handler), + std::move(content_receiver), std::move(progress)); +} +inline Result Client::Get(const char *path, const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, headers, response_handler, content_receiver, progress); +} + +inline Result Client::Head(const char *path) { return cli_->Head(path); } +inline Result Client::Head(const char *path, const Headers &headers) { + return cli_->Head(path, headers); +} + +inline Result Client::Post(const char *path) { return cli_->Post(path); } +inline Result Client::Post(const char *path, const std::string &body, + const char *content_type) { + return cli_->Post(path, body, content_type); +} +inline Result Client::Post(const char *path, const Headers &headers, + const std::string &body, const char *content_type) { + return cli_->Post(path, headers, body, content_type); +} +inline Result Client::Post(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Post(path, content_length, content_provider, content_type); +} +inline Result Client::Post(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Post(path, headers, content_length, content_provider, + content_type); +} +inline Result Client::Post(const char *path, const Params ¶ms) { + return cli_->Post(path, params); +} +inline Result Client::Post(const char *path, const Headers &headers, + const Params ¶ms) { + return cli_->Post(path, headers, params); +} +inline Result Client::Post(const char *path, + const MultipartFormDataItems &items) { + return cli_->Post(path, items); +} +inline Result Client::Post(const char *path, const Headers &headers, + const MultipartFormDataItems &items) { + return cli_->Post(path, headers, items); +} +inline Result Client::Put(const char *path) { return cli_->Put(path); } +inline Result Client::Put(const char *path, const std::string &body, + const char *content_type) { + return cli_->Put(path, body, content_type); +} +inline Result Client::Put(const char *path, const Headers &headers, + const std::string &body, const char *content_type) { + return cli_->Put(path, headers, body, content_type); +} +inline Result Client::Put(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Put(path, content_length, content_provider, content_type); +} +inline Result Client::Put(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Put(path, headers, content_length, content_provider, + content_type); +} +inline Result Client::Put(const char *path, const Params ¶ms) { + return cli_->Put(path, params); +} +inline Result Client::Put(const char *path, const Headers &headers, + const Params ¶ms) { + return cli_->Put(path, headers, params); +} +inline Result Client::Patch(const char *path, const std::string &body, + const char *content_type) { + return cli_->Patch(path, body, content_type); +} +inline Result Client::Patch(const char *path, const Headers &headers, + const std::string &body, const char *content_type) { + return cli_->Patch(path, headers, body, content_type); +} +inline Result Client::Patch(const char *path, size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Patch(path, content_length, content_provider, content_type); +} +inline Result Client::Patch(const char *path, const Headers &headers, + size_t content_length, + ContentProvider content_provider, + const char *content_type) { + return cli_->Patch(path, headers, content_length, content_provider, + content_type); +} +inline Result Client::Delete(const char *path) { return cli_->Delete(path); } +inline Result Client::Delete(const char *path, const std::string &body, + const char *content_type) { + return cli_->Delete(path, body, content_type); +} +inline Result Client::Delete(const char *path, const Headers &headers) { + return cli_->Delete(path, headers); +} +inline Result Client::Delete(const char *path, const Headers &headers, + const std::string &body, + const char *content_type) { + return cli_->Delete(path, headers, body, content_type); +} +inline Result Client::Options(const char *path) { return cli_->Options(path); } +inline Result Client::Options(const char *path, const Headers &headers) { + return cli_->Options(path, headers); +} + +inline bool Client::send(const Request &req, Response &res) { + return cli_->send(req, res); +} + +inline size_t Client::is_socket_open() const { return cli_->is_socket_open(); } + +inline void Client::stop() { cli_->stop(); } + +inline void Client::set_default_headers(Headers headers) { + cli_->set_default_headers(std::move(headers)); +} + +inline void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); } +inline void Client::set_socket_options(SocketOptions socket_options) { + cli_->set_socket_options(socket_options); +} + +inline void Client::set_connection_timeout(time_t sec, time_t usec) { + cli_->set_connection_timeout(sec, usec); +} +inline void Client::set_read_timeout(time_t sec, time_t usec) { + cli_->set_read_timeout(sec, usec); +} +inline void Client::set_write_timeout(time_t sec, time_t usec) { + cli_->set_write_timeout(sec, usec); +} + +inline void Client::set_basic_auth(const char *username, const char *password) { + cli_->set_basic_auth(username, password); +} +inline void Client::set_bearer_token_auth(const char *token) { + cli_->set_bearer_token_auth(token); +} +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_digest_auth(const char *username, + const char *password) { + cli_->set_digest_auth(username, password); +} +#endif + +inline void Client::set_keep_alive(bool on) { cli_->set_keep_alive(on); } +inline void Client::set_follow_location(bool on) { + cli_->set_follow_location(on); +} + +inline void Client::set_compress(bool on) { cli_->set_compress(on); } + +inline void Client::set_decompress(bool on) { cli_->set_decompress(on); } + +inline void Client::set_interface(const char *intf) { + cli_->set_interface(intf); +} + +inline void Client::set_proxy(const char *host, int port) { + cli_->set_proxy(host, port); +} +inline void Client::set_proxy_basic_auth(const char *username, + const char *password) { + cli_->set_proxy_basic_auth(username, password); +} +inline void Client::set_proxy_bearer_token_auth(const char *token) { + cli_->set_proxy_bearer_token_auth(token); +} +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_proxy_digest_auth(const char *username, + const char *password) { + cli_->set_proxy_digest_auth(username, password); +} +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::enable_server_certificate_verification(bool enabled) { + cli_->enable_server_certificate_verification(enabled); +} +#endif + +inline void Client::set_logger(Logger logger) { cli_->set_logger(logger); } + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void Client::set_ca_cert_path(const char *ca_cert_file_path, + const char *ca_cert_dir_path) { + if (is_ssl_) { + static_cast<SSLClient &>(*cli_).set_ca_cert_path(ca_cert_file_path, + ca_cert_dir_path); + } +} + +inline void Client::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (is_ssl_) { + static_cast<SSLClient &>(*cli_).set_ca_cert_store(ca_cert_store); + } +} + +inline long Client::get_openssl_verify_result() const { + if (is_ssl_) { + return static_cast<SSLClient &>(*cli_).get_openssl_verify_result(); + } + return -1; // NOTE: -1 doesn't match any of X509_V_ERR_??? +} + +inline SSL_CTX *Client::ssl_context() const { + if (is_ssl_) { return static_cast<SSLClient &>(*cli_).ssl_context(); } + return nullptr; +} +#endif + // ---------------------------------------------------------------------------- } // namespace httplib |