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-rw-r--r--src/web_service/CMakeLists.txt2
-rw-r--r--src/web_service/verify_login.cpp28
-rw-r--r--src/web_service/verify_login.h24
-rw-r--r--src/web_service/web_backend.cpp101
-rw-r--r--src/web_service/web_backend.h16
5 files changed, 159 insertions, 12 deletions
diff --git a/src/web_service/CMakeLists.txt b/src/web_service/CMakeLists.txt
index 334d82a8a..c93811892 100644
--- a/src/web_service/CMakeLists.txt
+++ b/src/web_service/CMakeLists.txt
@@ -1,10 +1,12 @@
set(SRCS
telemetry_json.cpp
+ verify_login.cpp
web_backend.cpp
)
set(HEADERS
telemetry_json.h
+ verify_login.h
web_backend.h
)
diff --git a/src/web_service/verify_login.cpp b/src/web_service/verify_login.cpp
new file mode 100644
index 000000000..1bc3b5afe
--- /dev/null
+++ b/src/web_service/verify_login.cpp
@@ -0,0 +1,28 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <json.hpp>
+#include "web_service/verify_login.h"
+#include "web_service/web_backend.h"
+
+namespace WebService {
+
+std::future<bool> VerifyLogin(std::string& username, std::string& token,
+ const std::string& endpoint_url, std::function<void()> func) {
+ auto get_func = [func, username](const std::string& reply) -> bool {
+ func();
+ if (reply.empty())
+ return false;
+ nlohmann::json json = nlohmann::json::parse(reply);
+ std::string result;
+ try {
+ result = json["username"];
+ } catch (const nlohmann::detail::out_of_range&) {
+ }
+ return result == username;
+ };
+ return GetJson<bool>(get_func, endpoint_url, false, username, token);
+}
+
+} // namespace WebService
diff --git a/src/web_service/verify_login.h b/src/web_service/verify_login.h
new file mode 100644
index 000000000..303f5dbbc
--- /dev/null
+++ b/src/web_service/verify_login.h
@@ -0,0 +1,24 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <future>
+#include <string>
+
+namespace WebService {
+
+/**
+ * Checks if username and token is valid
+ * @param username Citra username to use for authentication.
+ * @param token Citra token to use for authentication.
+ * @param endpoint_url URL of the services.citra-emu.org endpoint.
+ * @param func A function that gets exectued when the verification is finished
+ * @returns Future with bool indicating whether the verification succeeded
+ */
+std::future<bool> VerifyLogin(std::string& username, std::string& token,
+ const std::string& endpoint_url, std::function<void()> func);
+
+} // namespace WebService
diff --git a/src/web_service/web_backend.cpp b/src/web_service/web_backend.cpp
index d28a3f757..b17d82f9c 100644
--- a/src/web_service/web_backend.cpp
+++ b/src/web_service/web_backend.cpp
@@ -18,6 +18,19 @@ static constexpr char API_VERSION[]{"1"};
static std::unique_ptr<cpr::Session> g_session;
+void Win32WSAStartup() {
+#ifdef _WIN32
+ // On Windows, CPR/libcurl does not properly initialize Winsock. The below code is used to
+ // initialize Winsock globally, which fixes this problem. Without this, only the first CPR
+ // session will properly be created, and subsequent ones will fail.
+ WSADATA wsa_data;
+ const int wsa_result{WSAStartup(MAKEWORD(2, 2), &wsa_data)};
+ if (wsa_result) {
+ LOG_CRITICAL(WebService, "WSAStartup failed: %d", wsa_result);
+ }
+#endif
+}
+
void PostJson(const std::string& url, const std::string& data, bool allow_anonymous,
const std::string& username, const std::string& token) {
if (url.empty()) {
@@ -31,16 +44,7 @@ void PostJson(const std::string& url, const std::string& data, bool allow_anonym
return;
}
-#ifdef _WIN32
- // On Windows, CPR/libcurl does not properly initialize Winsock. The below code is used to
- // initialize Winsock globally, which fixes this problem. Without this, only the first CPR
- // session will properly be created, and subsequent ones will fail.
- WSADATA wsa_data;
- const int wsa_result{WSAStartup(MAKEWORD(2, 2), &wsa_data)};
- if (wsa_result) {
- LOG_CRITICAL(WebService, "WSAStartup failed: %d", wsa_result);
- }
-#endif
+ Win32WSAStartup();
// Built request header
cpr::Header header;
@@ -56,8 +60,81 @@ void PostJson(const std::string& url, const std::string& data, bool allow_anonym
}
// Post JSON asynchronously
- static cpr::AsyncResponse future;
- future = cpr::PostAsync(cpr::Url{url.c_str()}, cpr::Body{data.c_str()}, header);
+ static std::future<void> future;
+ future = cpr::PostCallback(
+ [](cpr::Response r) {
+ if (r.error) {
+ LOG_ERROR(WebService, "POST returned cpr error: %u:%s",
+ static_cast<u32>(r.error.code), r.error.message.c_str());
+ return;
+ }
+ if (r.status_code >= 400) {
+ LOG_ERROR(WebService, "POST returned error status code: %u", r.status_code);
+ return;
+ }
+ if (r.header["content-type"].find("application/json") == std::string::npos) {
+ LOG_ERROR(WebService, "POST returned wrong content: %s",
+ r.header["content-type"].c_str());
+ return;
+ }
+ },
+ cpr::Url{url}, cpr::Body{data}, header);
+}
+
+template <typename T>
+std::future<T> GetJson(std::function<T(const std::string&)> func, const std::string& url,
+ bool allow_anonymous, const std::string& username,
+ const std::string& token) {
+ if (url.empty()) {
+ LOG_ERROR(WebService, "URL is invalid");
+ return std::async(std::launch::async, [func{std::move(func)}]() { return func(""); });
+ }
+
+ const bool are_credentials_provided{!token.empty() && !username.empty()};
+ if (!allow_anonymous && !are_credentials_provided) {
+ LOG_ERROR(WebService, "Credentials must be provided for authenticated requests");
+ return std::async(std::launch::async, [func{std::move(func)}]() { return func(""); });
+ }
+
+ Win32WSAStartup();
+
+ // Built request header
+ cpr::Header header;
+ if (are_credentials_provided) {
+ // Authenticated request if credentials are provided
+ header = {{"Content-Type", "application/json"},
+ {"x-username", username.c_str()},
+ {"x-token", token.c_str()},
+ {"api-version", API_VERSION}};
+ } else {
+ // Otherwise, anonymous request
+ header = cpr::Header{{"Content-Type", "application/json"}, {"api-version", API_VERSION}};
+ }
+
+ // Get JSON asynchronously
+ return cpr::GetCallback(
+ [func{std::move(func)}](cpr::Response r) {
+ if (r.error) {
+ LOG_ERROR(WebService, "GET returned cpr error: %u:%s",
+ static_cast<u32>(r.error.code), r.error.message.c_str());
+ return func("");
+ }
+ if (r.status_code >= 400) {
+ LOG_ERROR(WebService, "GET returned error code: %u", r.status_code);
+ return func("");
+ }
+ if (r.header["content-type"].find("application/json") == std::string::npos) {
+ LOG_ERROR(WebService, "GET returned wrong content: %s",
+ r.header["content-type"].c_str());
+ return func("");
+ }
+ return func(r.text);
+ },
+ cpr::Url{url}, header);
}
+template std::future<bool> GetJson(std::function<bool(const std::string&)> func,
+ const std::string& url, bool allow_anonymous,
+ const std::string& username, const std::string& token);
+
} // namespace WebService
diff --git a/src/web_service/web_backend.h b/src/web_service/web_backend.h
index d17100398..a63c75d13 100644
--- a/src/web_service/web_backend.h
+++ b/src/web_service/web_backend.h
@@ -4,6 +4,8 @@
#pragma once
+#include <functional>
+#include <future>
#include <string>
#include "common/common_types.h"
@@ -20,4 +22,18 @@ namespace WebService {
void PostJson(const std::string& url, const std::string& data, bool allow_anonymous,
const std::string& username = {}, const std::string& token = {});
+/**
+ * Gets JSON from services.citra-emu.org.
+ * @param func A function that gets exectued when the json as a string is received
+ * @param url URL of the services.citra-emu.org endpoint to post data to.
+ * @param allow_anonymous If true, allow anonymous unauthenticated requests.
+ * @param username Citra username to use for authentication.
+ * @param token Citra token to use for authentication.
+ * @return future that holds the return value T of the func
+ */
+template <typename T>
+std::future<T> GetJson(std::function<T(const std::string&)> func, const std::string& url,
+ bool allow_anonymous, const std::string& username = {},
+ const std::string& token = {});
+
} // namespace WebService