diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Bindings/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/Bindings/ManualBindings.cpp | 159 | ||||
| -rw-r--r-- | src/Entities/Player.cpp | 83 | ||||
| -rw-r--r-- | src/Entities/Player.h | 30 | ||||
| -rw-r--r-- | src/HTTPServer/CMakeLists.txt | 8 | ||||
| -rw-r--r-- | src/HTTPServer/UrlParser.cpp | 200 | ||||
| -rw-r--r-- | src/HTTPServer/UrlParser.h | 58 |
7 files changed, 536 insertions, 4 deletions
diff --git a/src/Bindings/CMakeLists.txt b/src/Bindings/CMakeLists.txt index a53e82581..702d38365 100644 --- a/src/Bindings/CMakeLists.txt +++ b/src/Bindings/CMakeLists.txt @@ -154,5 +154,5 @@ endif() if(NOT MSVC) add_library(Bindings ${SRCS} ${HDRS}) - target_link_libraries(Bindings lua sqlite tolualib mbedtls) + target_link_libraries(Bindings lua sqlite tolualib mbedtls HTTPServer) endif() diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp index 3a595c1d2..42e7e9bd2 100644 --- a/src/Bindings/ManualBindings.cpp +++ b/src/Bindings/ManualBindings.cpp @@ -36,6 +36,7 @@ #include "../StringCompression.h" #include "../CommandOutput.h" #include "../BuildInfo.h" +#include "../HTTPServer/UrlParser.h" @@ -1956,6 +1957,155 @@ static int tolua_get_HTTPRequest_FormData(lua_State* tolua_S) +static int tolua_cUrlParser_GetDefaultPort(lua_State * a_LuaState) +{ + // API function signature: + // cUrlParser:GetDefaultPort("scheme") -> number + + // Check params: + cLuaState L(a_LuaState); + if ( + !L.CheckParamUserTable(1, "cUrlParser") || + !L.CheckParamString(2) || + !L.CheckParamEnd(3) + ) + { + return 0; + } + + // Read params from Lua: + AString scheme; + L.GetStackValue(2, scheme); + + // Execute and push result: + L.Push(cUrlParser::GetDefaultPort(scheme)); + return 1; +} + + + + + +static int tolua_cUrlParser_IsKnownScheme(lua_State * a_LuaState) +{ + // API function signature: + // cUrlParser:IsKnownScheme("scheme") -> bool + + // Check params: + cLuaState L(a_LuaState); + if ( + !L.CheckParamUserTable(1, "cUrlParser") || + !L.CheckParamString(2) || + !L.CheckParamEnd(3) + ) + { + return 0; + } + + // Read params from Lua: + AString scheme; + L.GetStackValue(2, scheme); + + // Execute and push result: + L.Push(cUrlParser::IsKnownScheme(scheme)); + return 1; +} + + + + + +static int tolua_cUrlParser_Parse(lua_State * a_LuaState) +{ + // API function signature: + // cUrlParser:Parse("url") -> "scheme", "user", "password", "host", portnum, "path", "query", "fragment" + // On error, returns nil and error message + + // Check params: + cLuaState L(a_LuaState); + if ( + !L.CheckParamUserTable(1, "cUrlParser") || + !L.CheckParamString(2) || + !L.CheckParamEnd(3) + ) + { + return 0; + } + + // Read params from Lua: + AString url; + L.GetStackValue(2, url); + + // Execute and push result: + AString scheme, username, password, host, path, query, fragment; + UInt16 port; + auto res = cUrlParser::Parse(url, scheme, username, password, host, port, path, query, fragment); + if (!res.first) + { + // Error, return nil and error msg: + L.PushNil(); + L.Push(res.second); + return 2; + } + L.Push(scheme); + L.Push(username); + L.Push(password); + L.Push(host); + L.Push(port); + L.Push(path); + L.Push(query); + L.Push(fragment); + return 8; +} + + + + + +static int tolua_cUrlParser_ParseAuthorityPart(lua_State * a_LuaState) +{ + // API function signature: + // cUrlParser:ParseAuthorityPart("authority") -> "user", "password", "host", portnum + // On error, returns nil and error message + // Parts not specified in the "authority" are left empty / zero + + // Check params: + cLuaState L(a_LuaState); + if ( + !L.CheckParamUserTable(1, "cUrlParser") || + !L.CheckParamString(2) || + !L.CheckParamEnd(3) + ) + { + return 0; + } + + // Read params from Lua: + AString authPart; + L.GetStackValue(2, authPart); + + // Execute and push result: + AString username, password, host; + UInt16 port; + auto res = cUrlParser::ParseAuthorityPart(authPart, username, password, host, port); + if (!res.first) + { + // Error, return nil and error msg: + L.PushNil(); + L.Push(res.second); + return 2; + } + L.Push(username); + L.Push(password); + L.Push(host); + L.Push(port); + return 4; +} + + + + + static int tolua_cWebAdmin_GetPlugins(lua_State * tolua_S) { cWebAdmin * self = reinterpret_cast<cWebAdmin *>(tolua_tousertype(tolua_S, 1, nullptr)); @@ -3224,9 +3374,11 @@ void cManualBindings::Bind(lua_State * tolua_S) tolua_usertype(tolua_S, "cCryptoHash"); tolua_usertype(tolua_S, "cLineBlockTracer"); tolua_usertype(tolua_S, "cStringCompression"); + tolua_usertype(tolua_S, "cUrlParser"); tolua_cclass(tolua_S, "cCryptoHash", "cCryptoHash", "", nullptr); tolua_cclass(tolua_S, "cLineBlockTracer", "cLineBlockTracer", "", nullptr); tolua_cclass(tolua_S, "cStringCompression", "cStringCompression", "", nullptr); + tolua_cclass(tolua_S, "cUrlParser", "cUrlParser", "", nullptr); // Globals: tolua_function(tolua_S, "Clamp", tolua_Clamp); @@ -3390,6 +3542,13 @@ void cManualBindings::Bind(lua_State * tolua_S) tolua_function(tolua_S, "InflateString", tolua_InflateString); tolua_endmodule(tolua_S); + tolua_beginmodule(tolua_S, "cUrlParser"); + tolua_function(tolua_S, "GetDefaultPort", tolua_cUrlParser_GetDefaultPort); + tolua_function(tolua_S, "IsKnownScheme", tolua_cUrlParser_IsKnownScheme); + tolua_function(tolua_S, "Parse", tolua_cUrlParser_Parse); + tolua_function(tolua_S, "ParseAuthorityPart", tolua_cUrlParser_ParseAuthorityPart); + tolua_endmodule(tolua_S); + tolua_beginmodule(tolua_S, "cWebAdmin"); tolua_function(tolua_S, "GetHTMLEscapedString", tolua_AllToLua_cWebAdmin_GetHTMLEscapedString); tolua_function(tolua_S, "GetPlugins", tolua_cWebAdmin_GetPlugins); diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp index 33ded6ab9..bede603e2 100644 --- a/src/Entities/Player.cpp +++ b/src/Entities/Player.cpp @@ -63,6 +63,7 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) : m_GameMode(eGameMode_NotSet), m_IP(""), m_ClientHandle(a_Client), + m_FreezeCounter(-1), m_NormalMaxSpeed(1.0), m_SprintingMaxSpeed(1.3), m_FlyingMaxSpeed(1.0), @@ -112,6 +113,7 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) : m_LastGroundHeight = static_cast<float>(GetPosY()); m_Stance = GetPosY() + 1.62; + FreezeInternal(GetPosition(), false); // Freeze. Will be unfrozen once the chunk is loaded if (m_GameMode == gmNotSet) { @@ -220,8 +222,35 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) m_Stats.AddValue(statMinutesPlayed, 1); + // Handle a frozen player + if (m_IsFrozen) + { + m_FreezeCounter += 1; + if (!m_IsManuallyFrozen && a_Chunk.IsValid()) + { + // If the player was automatically frozen, unfreeze if the chunk the player is inside is loaded + Unfreeze(); + } + else + { + // If the player was externally / manually frozen (plugin, etc.) or if the chunk isn't loaded yet: + // 1. Set the location to m_FrozenPosition every tick. + // 2. Zero out the speed every tick. + // 3. Send location updates every 60 ticks. + SetPosition(m_FrozenPosition); + SetSpeed(0, 0, 0); + if (m_FreezeCounter % 60 == 0) + { + BroadcastMovementUpdate(m_ClientHandle.get()); + m_ClientHandle->SendPlayerPosition(); + } + return; + } + } + if (!a_Chunk.IsValid()) { + FreezeInternal(GetPosition(), false); // This may happen if the cPlayer is created before the chunks have the chance of being loaded / generated (#83) return; } @@ -1263,6 +1292,46 @@ void cPlayer::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ) +void cPlayer::Freeze(const Vector3d & a_Location) +{ + FreezeInternal(a_Location, true); +} + + + + + +bool cPlayer::IsFrozen() +{ + return m_IsFrozen; +} + + + + + +int cPlayer::GetFrozenDuration() +{ + return m_FreezeCounter; +} + + + + + +void cPlayer::Unfreeze() +{ + m_FreezeCounter = -1; + m_IsFrozen = false; + SetPosition(m_FrozenPosition); + BroadcastMovementUpdate(m_ClientHandle.get()); + m_ClientHandle->SendPlayerPosition(); +} + + + + + void cPlayer::SendRotation(double a_YawDegrees, double a_PitchDegrees) { SetYaw(a_YawDegrees); @@ -1533,6 +1602,20 @@ void cPlayer::TossItems(const cItems & a_Items) } + + + +void cPlayer::FreezeInternal(const Vector3d & a_Location, bool a_ManuallyFrozen) +{ + m_IsFrozen = true; + m_FrozenPosition = a_Location; + m_IsManuallyFrozen = a_ManuallyFrozen; +} + + + + + bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn, Vector3d a_NewPosition) { ASSERT(a_World != nullptr); diff --git a/src/Entities/Player.h b/src/Entities/Player.h index bff9599f7..10c9106a3 100644 --- a/src/Entities/Player.h +++ b/src/Entities/Player.h @@ -138,6 +138,18 @@ public: // tolua_begin + /** Prevent the player from moving and lock him into a_Location. */ + void Freeze(const Vector3d & a_Location); + + /** Is the player frozen? */ + bool IsFrozen(); + + /** How long has the player been frozen? */ + int GetFrozenDuration(); + + /** Cancels Freeze(...) and allows the player to move naturally. */ + void Unfreeze(); + /** Sends the "look" packet to the player, forcing them to set their rotation to the specified values. a_YawDegrees is clipped to range [-180, +180), a_PitchDegrees is clipped to range [-180, +180) but the client only uses [-90, +90] @@ -240,7 +252,7 @@ public: void SendMessageFatal (const AString & a_Message) { m_ClientHandle->SendChat(a_Message, mtFailure); } void SendMessagePrivateMsg (const AString & a_Message, const AString & a_Sender) { m_ClientHandle->SendChat(a_Message, mtPrivateMessage, a_Sender); } void SendMessage (const cCompositeChat & a_Message) { m_ClientHandle->SendChat(a_Message); } - + void SendSystemMessage (const AString & a_Message) { m_ClientHandle->SendChatSystem(a_Message, mtCustom); } void SendAboveActionBarMessage(const AString & a_Message) { m_ClientHandle->SendChatAboveActionBar(a_Message, mtCustom); } void SendSystemMessage (const cCompositeChat & a_Message) { m_ClientHandle->SendChatSystem(a_Message); } @@ -576,6 +588,18 @@ protected: cSlotNums m_InventoryPaintSlots; + /** if m_IsFrozen is true, we lock m_Location to this position. */ + Vector3d m_FrozenPosition; + + /** If true, we are locking m_Position to m_FrozenPosition. */ + bool m_IsFrozen; + + /** */ + int m_FreezeCounter; + + /** Was the player frozen manually by a plugin or automatically by the server? */ + bool m_IsManuallyFrozen; + /** Max speed, relative to the game default. 1 means regular speed, 2 means twice as fast, 0.5 means half-speed. Default value is 1. */ @@ -661,6 +685,10 @@ protected: /** Tosses a list of items. */ void TossItems(const cItems & a_Items); + /** Pins the player to a_Location until Unfreeze() is called. + If ManuallyFrozen is false, the player will unfreeze when the chunk is loaded. */ + void FreezeInternal(const Vector3d & a_Location, bool a_ManuallyFrozen); + /** Returns the filename for the player data based on the UUID given. This can be used both for online and offline UUIDs. */ AString GetUUIDFileName(const AString & a_UUID); diff --git a/src/HTTPServer/CMakeLists.txt b/src/HTTPServer/CMakeLists.txt index 6788d50bf..b875b9145 100644 --- a/src/HTTPServer/CMakeLists.txt +++ b/src/HTTPServer/CMakeLists.txt @@ -12,7 +12,9 @@ SET (SRCS HTTPServer.cpp MultipartParser.cpp NameValueParser.cpp - SslHTTPConnection.cpp) + SslHTTPConnection.cpp + UrlParser.cpp +) SET (HDRS EnvelopeParser.h @@ -22,7 +24,9 @@ SET (HDRS HTTPServer.h MultipartParser.h NameValueParser.h - SslHTTPConnection.h) + SslHTTPConnection.h + UrlParser.h +) if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") set_source_files_properties(HTTPServer.cpp PROPERTIES COMPILE_FLAGS "-Wno-error=global-constructors ") diff --git a/src/HTTPServer/UrlParser.cpp b/src/HTTPServer/UrlParser.cpp new file mode 100644 index 000000000..05db3e413 --- /dev/null +++ b/src/HTTPServer/UrlParser.cpp @@ -0,0 +1,200 @@ + +// UrlParser.cpp + +// Implements the cUrlParser class that parses string URL into individual parts + +#include "Globals.h" +#include "UrlParser.h" + + + + + +UInt16 cUrlParser::GetDefaultPort(const AString & a_Scheme) +{ + if (a_Scheme == "http") + { + return 80; + } + else if (a_Scheme == "https") + { + return 443; + } + else if (a_Scheme == "ftp") + { + return 21; + } + else if (a_Scheme == "mailto") + { + return 25; + } + return 0; +} + + + + + +std::pair<bool, AString> cUrlParser::ParseAuthorityPart( + const AString & a_AuthorityPart, + AString & a_Username, + AString & a_Password, + AString & a_Host, + UInt16 & a_Port +) +{ + /* + a_AuthorityPart format: + [user:password@]host[:port] + host can be an IPv4, hostname, or an IPv6 enclosed in brackets + Assume only the password can contain an additional at-sign + */ + + // Split the authority on the last at-sign, if present: + auto idxLastAtSign = a_AuthorityPart.find_last_of('@'); + auto credPart = (idxLastAtSign == AString::npos) ? AString() : a_AuthorityPart.substr(0, idxLastAtSign); + auto srvrPart = (idxLastAtSign == AString::npos) ? a_AuthorityPart : a_AuthorityPart.substr(idxLastAtSign + 1); + + // User credentials are completely optional: + auto idxCredColon = credPart.find(':'); + a_Username = credPart.substr(0, idxCredColon); + a_Password = (idxCredColon == AString::npos) ? AString() : credPart.substr(idxCredColon + 1); + + // Host can be a hostname, IPv4 or [IPv6]. If in brackets, search for the closing bracket first + if (srvrPart.empty()) + { + // No host information at all. Bail out with success + a_Host.clear(); + return std::make_pair(true, AString()); + } + if (srvrPart[0] == '[') + { + // [IPv6] host, search for the closing bracket + auto idxClosingBracket = srvrPart.find(']'); + if (idxClosingBracket == AString::npos) + { + return std::make_pair(false, "Invalid IPv6-like address, missing closing bracket"); + } + a_Host = srvrPart.substr(0, idxClosingBracket); + auto portPart = srvrPart.substr(idxClosingBracket + 1); + if (portPart.empty()) + { + // No port was specified, return success + return std::make_pair(true, AString()); + } + if (portPart[0] != ':') + { + return std::make_pair(false, "Invalid port format after IPv6 address, mising colon"); + } + if (!StringToInteger(portPart.substr(2), a_Port)) + { + return std::make_pair(false, "Failed to parse port number after IPv6 address"); + } + return std::make_pair(true, AString()); + } + + // Not an [IPv6] address, split on the last colon: + auto idxLastColon = srvrPart.find_last_of(':'); + a_Host = srvrPart.substr(0, idxLastColon); + if (idxLastColon == AString::npos) + { + // No port was specified, return success + return std::make_pair(true, AString()); + } + auto portPart = srvrPart.substr(idxLastColon + 1); + if (!StringToInteger(portPart, a_Port)) + { + return std::make_pair(false, "Failed to parse port number after hostname"); + } + return std::make_pair(true, AString()); +} + + + + + +std::pair<bool, AString> cUrlParser::Parse( + const AString & a_Url, + AString & a_Scheme, + AString & a_Username, + AString & a_Password, + AString & a_Host, + UInt16 & a_Port, + AString & a_Path, + AString & a_Query, + AString & a_Fragment +) +{ + // Find the scheme - the text before the first colon: + auto idxColon = a_Url.find(':'); + if (idxColon == AString::npos) + { + return std::make_pair(false, "Cannot parse the Scheme part of the URL"); + } + a_Scheme = StrToLower(a_Url.substr(0, idxColon)); + a_Port = GetDefaultPort(a_Scheme); + if (a_Port == 0) + { + return std::make_pair(false, Printf("Unknown URL scheme: \"%s\"", a_Scheme.c_str())); + } + + // If the next two chars are a double-slash, skip them: + auto authStart = idxColon + 1; + if (a_Url.substr(authStart, 2) == "//") + { + authStart += 2; + } + + // The Authority part follows the Scheme, until the first slash: + auto idxFirstSlash = a_Url.find('/', authStart + 1); + if (idxFirstSlash == AString::npos) + { + // No slash, the whole end of the Url is the authority part + idxFirstSlash = a_Url.size(); + } + + // Parse the Authority part into individual components: + auto res = ParseAuthorityPart( + a_Url.substr(authStart, idxFirstSlash - authStart), + a_Username, a_Password, + a_Host, a_Port + ); + if (!res.first) + { + return res; + } + + // Parse the rest into a path, query and fragment: + a_Path.clear(); + a_Query.clear(); + a_Fragment.clear(); + if (idxFirstSlash == a_Url.size()) + { + // No additional data, bail out with success + return std::make_pair(true, AString()); + } + auto idxPathEnd = a_Url.find_first_of("?#", idxFirstSlash + 1); + if (idxPathEnd == AString::npos) + { + a_Path = a_Url.substr(idxFirstSlash); + return std::make_pair(true, AString()); + } + a_Path = a_Url.substr(idxFirstSlash, idxPathEnd - idxFirstSlash); + auto idxHash = a_Url.find('#', idxPathEnd); + if (idxHash == AString::npos) + { + a_Query = a_Url.substr(idxPathEnd + 1); + return std::make_pair(true, AString()); + } + if (idxHash > idxPathEnd) + { + a_Query = a_Url.substr(idxPathEnd + 1, idxHash - idxPathEnd - 1); + } + a_Fragment = a_Url.substr(idxHash + 1); + return std::make_pair(true, AString()); +} + + + + + diff --git a/src/HTTPServer/UrlParser.h b/src/HTTPServer/UrlParser.h new file mode 100644 index 000000000..15a63e05d --- /dev/null +++ b/src/HTTPServer/UrlParser.h @@ -0,0 +1,58 @@ + +// UrlParser.h + +// Declares the cUrlParser class that parses string URL into individual parts + + + + + +#pragma once + + + + + +class cUrlParser +{ +public: + /** Returns true if the specified scheme (http, ftp, mailto, ...) is recognized by the URL parser. + Is case sensitive, known schemes are always lowercase. */ + static bool IsKnownScheme(const AString & a_Scheme) { return (GetDefaultPort(a_Scheme) > 0); } + + /** Returns the default port used by the specified scheme / protocol. + If the scheme is not known, 0 is returned. */ + static UInt16 GetDefaultPort(const AString & a_Scheme); + + /** Parses the given Authority part of an URL into individual components. + Returns true on success, + returns false and error message on failure. */ + static std::pair<bool, AString> ParseAuthorityPart( + const AString & a_AuthorityPart, + AString & a_Username, + AString & a_Password, + AString & a_Host, + UInt16 & a_Port + ); + + /** Parses the given URL into individual components. + Returns true on success, + returns false and error message on failure. + Fails if the scheme (protocol) is not known. + If port is missing, the default port for the specific scheme is applied. */ + static std::pair<bool, AString> Parse( + const AString & a_Url, + AString & a_Scheme, + AString & a_Username, + AString & a_Password, + AString & a_Host, + UInt16 & a_Port, + AString & a_Path, + AString & a_Query, + AString & a_Fragment + ); +}; + + + + |