Use mbedtls on all platforms & bundle root CAs

Certificate bundle downloaded from https://curl.se/docs/caextract.html.
It is licensed under the MPL 2.0.

extern/CMakeProject-ixwebsocket.cmake

@@ -86,16 +86,8 @@ set(IXW_HPP "${IXW_DIR}/IXBench.h"
             "${IXW_DIR}/IXWebSocketTransport.h"
             "${IXW_DIR}/IXWebSocketVersion.h")
 
-if(APPLE)
-  list(APPEND IXW_SRC "${IXW_DIR}/IXSocketAppleSSL.cpp")
-  list(APPEND IXW_HPP "${IXW_DIR}/IXSocketAppleSSL.h")
-elseif(WIN32)
-  list(APPEND IXW_SRC "${IXW_DIR}/IXSocketMbedTLS.cpp")
-  list(APPEND IXW_HPP "${IXW_DIR}/IXSocketMbedTLS.h")
-else()
-  list(APPEND IXW_SRC "${IXW_DIR}/IXSocketOpenSSL.cpp")
-  list(APPEND IXW_HPP "${IXW_DIR}/IXSocketOpenSSL.h")
-endif()
+list(APPEND IXW_SRC "${IXW_DIR}/IXSocketMbedTLS.cpp")
+list(APPEND IXW_HPP "${IXW_DIR}/IXSocketMbedTLS.h")
 
 source_group("" FILES ${IXW_SRC} ${IXW_HPP})
 
@@ -109,25 +101,15 @@ set_property(TARGET "ixwebsocket" PROPERTY CXX_EXTENSIONS OFF)
 disable_project_warnings("ixwebsocket")
 
 target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_TLS)
-
-if(APPLE)
-  target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_SECURE_TRANSPORT)
-  target_link_libraries(ixwebsocket "-framework foundation" "-framework security")
-elseif(WIN32)
-  target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_MBED_TLS)
-  target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_MBED_TLS_MIN_VERSION_3)
-  add_subdirectory("mbedtls" EXCLUDE_FROM_ALL)
-  set_property(TARGET "mbedtls" PROPERTY FOLDER "External Libraries")
-  set_property(TARGET "mbedcrypto" PROPERTY FOLDER "External Libraries")
-  set_property(TARGET "mbedx509" PROPERTY FOLDER "External Libraries")
-  target_link_libraries("ixwebsocket" mbedtls mbedcrypto mbedx509)
-else()
-  target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_OPEN_SSL)
-  find_package(OpenSSL REQUIRED)
-  add_definitions(${OPENSSL_DEFINITIONS})
-  target_include_directories(ixwebsocket PUBLIC ${OPENSSL_INCLUDE_DIR})
-  target_link_libraries(ixwebsocket ${OPENSSL_LIBRARIES})
-endif()
+target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_MBED_TLS)
+target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_MBED_TLS_MIN_VERSION_3)
+set(ENABLE_TESTING OFF CACHE INTERNAL "Don't build tests")
+set(GEN_FILES OFF CACHE INTERNAL "Don't generate files (requires perl and python)")
+add_subdirectory("mbedtls" EXCLUDE_FROM_ALL)
+set_property(TARGET "mbedtls" PROPERTY FOLDER "External Libraries")
+set_property(TARGET "mbedcrypto" PROPERTY FOLDER "External Libraries")
+set_property(TARGET "mbedx509" PROPERTY FOLDER "External Libraries")
+target_link_libraries("ixwebsocket" mbedtls mbedcrypto mbedx509)
 
 target_compile_definitions("ixwebsocket" PRIVATE IXWEBSOCKET_USE_ZLIB)
 

src/NetworkManager.cpp

@@ -6,12 +6,14 @@
 #include "RageFileManager.h"
 #include "RageLog.h"
 #include "RageUtil.h"
+#include "SpecialFiles.h"
 #include "StdString.h"
 #include "ver.h"
 
 #include <ixwebsocket/IXHttpClient.h>
 #include <ixwebsocket/IXNetSystem.h>
 #include <ixwebsocket/IXUrlParser.h>
+#include <ixwebsocket/IXWebSocket.h>
 
 #include <algorithm>
 #include <climits>
@@ -72,6 +74,23 @@ NetworkManager::NetworkManager() : httpClient(true), downloadClient(true)
 		LUA->Release(L);
 	}
 
+	RageFile f;
+	if(f.Open(SpecialFiles::CA_BUNDLE_PATH))
+	{
+		RString data;
+		f.Read(data);
+		f.Close();
+
+		this->tlsOptions.caFile = data;
+	}
+	else
+	{
+		LOG->Warn("Reading '%s' failed: %s", SpecialFiles::CA_BUNDLE_PATH.c_str(), f.GetError().c_str());
+	}
+
+	this->httpClient.setTLSOptions(this->tlsOptions);
+	this->downloadClient.setTLSOptions(this->tlsOptions);
+
 	this->ClearDownloads();
 }
 
@@ -214,6 +233,8 @@ WebSocketHandlePtr NetworkManager::WebSocket(const WebSocketArgs& args)
 	handle->onClose = args.onClose;
 
 	handle->webSocket.setUrl(args.url);
+	handle->webSocket.setTLSOptions(this->tlsOptions);
+	handle->webSocket.setOnMessageCallback(args.onMessage);
 
 	ix::WebSocketHttpHeaders headers;
 	headers["User-Agent"] = this->GetUserAgent();
@@ -238,8 +259,6 @@ WebSocketHandlePtr NetworkManager::WebSocket(const WebSocketArgs& args)
 		handle->webSocket.disableAutomaticReconnection();
 	}
 
-	handle->webSocket.setOnMessageCallback(args.onMessage);
-
 	handle->webSocket.start();
 
 	return handle;

src/NetworkManager.h

@@ -13,6 +13,7 @@
 
 #include <ixwebsocket/IXHttp.h>
 #include <ixwebsocket/IXHttpClient.h>
+#include <ixwebsocket/IXSocketTLSOptions.h>
 #include <ixwebsocket/IXWebSocket.h>
 
 #include "EnumHelper.h"
@@ -141,6 +142,7 @@ private:
 
 	ix::HttpClient httpClient;
 	ix::HttpClient downloadClient;
+	ix::SocketTLSOptions tlsOptions;
 
 	static Preference<bool> httpEnabled;
 	static Preference<RString> httpAllowHosts;

src/SpecialFiles.cpp

@@ -4,7 +4,7 @@
 const RString SpecialFiles::PACKAGES_DIR = "Packages/";
 const RString SpecialFiles::KEYMAPS_PATH = "Save/Keymaps.ini";
 const RString SpecialFiles::EDIT_MODE_KEYMAPS_PATH = "Save/EditMode_Keymaps.ini";
-const RString SpecialFiles::PREFERENCES_INI_PATH	= "Save/Preferences.ini";
+const RString SpecialFiles::PREFERENCES_INI_PATH = "Save/Preferences.ini";
 const RString SpecialFiles::THEMES_DIR  = "Themes/";
 const RString SpecialFiles::LANGUAGES_SUBDIR = "Languages/";
 // TODO: A theme should be able to specify a base language.
@@ -15,6 +15,7 @@ const RString SpecialFiles::BASE_THEME_NAME = "_fallback";
 const RString SpecialFiles::DEFAULTS_INI_PATH	= "Data/Defaults.ini";
 const RString SpecialFiles::STATIC_INI_PATH = "Data/Static.ini";
 const RString SpecialFiles::TYPE_TXT_FILE = "Data/Type.txt";
+const RString SpecialFiles::CA_BUNDLE_PATH = "Data/ca-bundle.crt";
 const RString SpecialFiles::SONGS_DIR = "Songs/";
 const RString SpecialFiles::COURSES_DIR	= "Courses/";
 const RString SpecialFiles::NOTESKINS_DIR = "NoteSkins/";

src/SpecialFiles.h

@@ -23,6 +23,7 @@ namespace SpecialFiles
 	extern const RString DEFAULTS_INI_PATH;
 	extern const RString STATIC_INI_PATH;
 	extern const RString TYPE_TXT_FILE;
+	extern const RString CA_BUNDLE_PATH;
 	/** @brief The default Songs directory. */
 	extern const RString SONGS_DIR;
 	/** @brief The default courses directory. */