diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/http.c | 967 |
1 files changed, 481 insertions, 486 deletions
@@ -1,486 +1,481 @@ -/* -Copyright (c) 2015 - Michał Cichoń <thedmd@interia.pl> - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. -*/ - -/* receive/play audio stream */ - -/* based on DShow example player */ - -#include "config.h" -#include "http.h" -#include <Windows.h> -#include <winhttp.h> -#pragma comment(lib, "winhttp.lib") - -struct _http_t { - HINTERNET session; - HINTERNET connection; - wchar_t* endpoint; - wchar_t* securePort; - wchar_t* autoProxy; - wchar_t* proxy; - wchar_t* proxyUsername; - wchar_t* proxyPassword; - char* error; -}; - -static char* HttpToString(const wchar_t* wideString, int size); -static wchar_t* HttpToWideString(const char* string, int size); -static bool HttpCreateConnection (http_t http); -static void HttpCloseConnection (http_t http); -static void HttpSetLastError (http_t http, const char* message); -static void HttpSetLastErrorFromWinHttp (http_t http); -static char* HttpFormatWinApiError (DWORD errorCode, HINSTANCE module); -static char* HttpFormatWinHttpError (DWORD errorCode); -static void HttpClearProxy (http_t http); - -# define WINHTTP_SAFE(condition) do { if (condition) break; HttpSetLastErrorFromWinHttp (http); return false; } while (false) -# define WINHTTP_SAFE_DONE(condition) do { if (condition) break; HttpSetLastErrorFromWinHttp (http); goto done; } while (false) - -static char* HttpToString(const wchar_t* wideString, int size) { - int utfSize = WideCharToMultiByte(CP_UTF8, 0, wideString, size, NULL, 0, NULL, NULL); - char* utfMessage = malloc(utfSize + 1); - if (utfMessage) { - utfMessage[utfSize] = 0; - WideCharToMultiByte(CP_UTF8, 0, wideString, size, utfMessage, utfSize, NULL, NULL); - } - return utfMessage; -} - -static wchar_t* HttpToWideString(const char* string, int size) { - int wideSize = MultiByteToWideChar(CP_UTF8, 0, string, size, NULL, 0); - int wideBytes = (wideSize + 1) * sizeof(wchar_t); - wchar_t* wideMessage = malloc(wideBytes); - if (wideMessage) { - wideMessage[wideSize] = 0; - MultiByteToWideChar(CP_UTF8, 0, string, size, wideMessage, wideSize); - } - return wideMessage; -} - - -static bool HttpCreateConnection (http_t http) { - INTERNET_PORT defaultPort = INTERNET_DEFAULT_PORT; - - HttpCloseConnection (http); - - http->session = WinHttpOpen( - L"WinHTTP/1.0", - WINHTTP_ACCESS_TYPE_NO_PROXY, - WINHTTP_NO_PROXY_NAME, - WINHTTP_NO_PROXY_BYPASS, - 0); - WINHTTP_SAFE(http->session != NULL); - - WinHttpSetTimeouts(http->session, - 60 * 1000, // DNS time-out - 60 * 1000, // connect time-out - 30 * 1000, // send time-out - 30 * 1000); // receive time-out - - http->connection = WinHttpConnect( - http->session, - http->endpoint, - defaultPort, - 0); - WINHTTP_SAFE(http->connection != NULL); - - return true; -} - -static void HttpCloseConnection (http_t http) { - if (http->connection) { - WinHttpCloseHandle(http->connection); - http->connection = NULL; - } - - if (http->session) { - WinHttpCloseHandle(http->session); - http->session = NULL; - } -} - -static void HttpSetLastError (http_t http, const char* message) { - free(http->error); - http->error = NULL; - - if (message) - http->error = strdup(message); -} - -static void HttpSetLastErrorFromWinHttp (http_t http) { - free(http->error); - http->error = NULL; - - DWORD error = GetLastError(); - if (error) - http->error = HttpFormatWinHttpError(error); -} - -static char* HttpFormatWinApiError (DWORD errorCode, HINSTANCE module) { - const int source_flag = module ? FORMAT_MESSAGE_FROM_HMODULE : FORMAT_MESSAGE_FROM_SYSTEM; - - HLOCAL buffer = NULL; - int bufferLength = FormatMessageW( - FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | source_flag, - (void*)module, - errorCode, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), - (LPWSTR)&buffer, - 0, - NULL); - - if (bufferLength > 0) { - char* message; - - wchar_t* wideMessage = (wchar_t*)buffer; - - /* Drop new line from the end. */ - wchar_t* wideMessageBack = wideMessage + bufferLength - 1; - while (wideMessageBack > wideMessage && (*wideMessageBack == '\r' || *wideMessageBack == '\n')) - --wideMessageBack; - - message = HttpToString (wideMessage, wideMessageBack - wideMessage + 1); - - LocalFree(buffer); - - return message; - } - else - return NULL; -} - -static char* HttpFormatWinHttpError (DWORD errorCode) { - if (errorCode >= WINHTTP_ERROR_BASE && errorCode <= WINHTTP_ERROR_LAST) { - HMODULE module = GetModuleHandleW(L"WinHTTP.dll"); - if (module) { - char* message = HttpFormatWinApiError(errorCode, module); - if (message) - return message; - } - } - - return HttpFormatWinApiError(errorCode, NULL); -} - -bool HttpInit(http_t* http, const char* endpoint, const char* securePort) { - http_t out = malloc(sizeof(struct _http_t)); - if (!out) - return false; - memset(out, 0, sizeof(struct _http_t)); - - out->endpoint = HttpToWideString(endpoint, -1); - out->securePort = HttpToWideString(securePort, -1); - - if (!HttpCreateConnection (out)) { - HttpDestroy (out); - return false; - } - - *http = out; - return true; -} - -void HttpDestroy(http_t http) { - if (http) { - free(http->endpoint); - free(http->securePort); - http->endpoint = NULL; - http->securePort = NULL; - HttpCloseConnection (http); - HttpClearProxy (http); - } - free(http); -} - -static void HttpClearProxy (http_t http) { - if (http->autoProxy) { - free(http->autoProxy); - http->autoProxy = NULL; - } - - if (http->proxy) { - free(http->proxy); - http->proxy = NULL; - } - - if (http->proxyUsername) { - free(http->proxyUsername); - http->proxyUsername = NULL; - } - - if (http->proxyPassword) { - free(http->proxyPassword); - http->proxyPassword = NULL; - } -} - -bool HttpSetAutoProxy (http_t http, const char* url) { - HttpClearProxy (http); - if (HttpSetProxy (http, url)) { - http->autoProxy = http->proxy; - http->proxy = NULL; - return true; - } - else - return false; -} - -bool HttpSetProxy (http_t http, const char* url) { - URL_COMPONENTS urlComponents; - DWORD wideUrlLength; - wchar_t* wideUrl = NULL; - wchar_t* wideUrl2 = NULL; - wchar_t* wideUsername = NULL; - wchar_t* widePassword = NULL; - - ZeroMemory(&urlComponents, sizeof(urlComponents)); - urlComponents.dwStructSize = sizeof(urlComponents); - urlComponents.dwUserNameLength = -1; - urlComponents.dwPasswordLength = -1; - - wideUrl = HttpToWideString(url, -1); - if (WinHttpCrackUrl(wideUrl, wcslen(wideUrl), 0, &urlComponents)) { - if (urlComponents.lpszUserName && urlComponents.dwUserNameLength > 0) { - wideUsername = wcsdup(urlComponents.lpszUserName); - wideUsername[urlComponents.dwUserNameLength] = 0; - } - if (urlComponents.lpszPassword && urlComponents.dwPasswordLength > 0) { - widePassword = wcsdup(urlComponents.lpszPassword); - widePassword[urlComponents.dwPasswordLength] = 0; - } - } - - ZeroMemory(&urlComponents, sizeof(urlComponents)); - urlComponents.dwStructSize = sizeof(urlComponents); - urlComponents.dwHostNameLength = -1; - urlComponents.dwUrlPathLength = -1; - - if (!WinHttpCrackUrl(wideUrl, wcslen(wideUrl), 0, &urlComponents)) { - free(wideUsername); - free(widePassword); - return false; - } - - if (urlComponents.lpszHostName && urlComponents.dwHostNameLength > 0) { - wideUrl2 = wcsdup(urlComponents.lpszHostName); - wideUrl2[urlComponents.lpszUrlPath - urlComponents.lpszHostName] = 0; - } - - free(wideUrl); - - HttpClearProxy(http); - http->proxy = wideUrl2; - http->proxyUsername = wideUsername; - http->proxyPassword = widePassword; - return true; -} - -bool HttpRequest(http_t http, PianoRequest_t * const request) { - HINTERNET handle = NULL; - wchar_t* wideQuery = NULL; - bool requestSent = false; - bool complete = false; - int retryLimit = 3; - size_t responseDataSize; - - wideQuery = HttpToWideString(request->urlPath, -1); - WINHTTP_SAFE_DONE(wideQuery != NULL); - - handle = WinHttpOpenRequest( - http->connection, - L"POST", - wideQuery, - L"HTTP/1.1", - WINHTTP_NO_REFERER, - WINHTTP_DEFAULT_ACCEPT_TYPES, - request->secure ? WINHTTP_FLAG_SECURE : 0); - WINHTTP_SAFE_DONE(handle != NULL); - - if (http->proxy || http->autoProxy) { - wchar_t* fullUrl; - DWORD fullUrlSize = 0; - WINHTTP_PROXY_INFO proxyInfo; - bool success; - - if (http->autoProxy) { - WINHTTP_AUTOPROXY_OPTIONS proxyOptions = { 0 }; - - success = WinHttpQueryOption(request, WINHTTP_OPTION_URL, NULL, &fullUrlSize); - WINHTTP_SAFE(!success && GetLastError() == ERROR_INSUFFICIENT_BUFFER); - fullUrl = calloc(1, fullUrlSize + 1); - success = WinHttpQueryOption(request, WINHTTP_OPTION_URL, fullUrl, &fullUrlSize); - if (!success) { - free(fullUrl); - WINHTTP_SAFE(success); - } - - proxyOptions.lpszAutoConfigUrl = http->autoProxy; - proxyOptions.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL; - - if (!(success = WinHttpGetProxyForUrl(http->session, fullUrl, &proxyOptions, &proxyInfo))) { - proxyOptions.fAutoLogonIfChallenged = true; - success = WinHttpGetProxyForUrl(http->session, fullUrl, &proxyOptions, &proxyInfo); - } - - if (!success) { - free(fullUrl); - WINHTTP_SAFE(success); - } - } - else { - proxyInfo.dwAccessType = WINHTTP_ACCESS_TYPE_NAMED_PROXY; - proxyInfo.lpszProxy = http->proxy; - proxyInfo.lpszProxyBypass = NULL; - } - - WINHTTP_SAFE(WinHttpSetOption(handle, - WINHTTP_OPTION_PROXY, - &proxyInfo, sizeof(proxyInfo))); - - if (http->proxyUsername && http->proxyPassword) { - WINHTTP_SAFE(WinHttpSetCredentials(handle, - WINHTTP_AUTH_TARGET_PROXY, - WINHTTP_AUTH_SCHEME_BASIC, - http->proxyUsername, - http->proxyPassword, - NULL)); - } - } - - while (retryLimit > 0) { - DWORD errorCode, statusCode, statusCodeSize; - bool succeeded = false; - bool retry = false; - - if (!requestSent) { - size_t postDataSize = strlen(request->postData); - succeeded = WinHttpSendRequest(handle, - WINHTTP_NO_ADDITIONAL_HEADERS, - 0, - request->postData, - postDataSize, - postDataSize, - 0); - - if (succeeded) - requestSent = true; - } - - if (requestSent) - succeeded = WinHttpReceiveResponse(handle, NULL); - - errorCode = GetLastError(); - - statusCode = 0; - statusCodeSize = sizeof(statusCode); - if (!WinHttpQueryHeaders(handle, - WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, - WINHTTP_HEADER_NAME_BY_INDEX, - &statusCode, &statusCodeSize, WINHTTP_NO_HEADER_INDEX)) { - statusCode = 0; - } - - if (succeeded && statusCode == 407) { - requestSent = false; - retry = true; - } - else { - if (errorCode == ERROR_SUCCESS) - break; - - switch (errorCode) { - case ERROR_WINHTTP_RESEND_REQUEST: - requestSent = false; - /* pass trough */ - - case ERROR_WINHTTP_NAME_NOT_RESOLVED: - case ERROR_WINHTTP_CANNOT_CONNECT: - case ERROR_WINHTTP_TIMEOUT: - retry = true; - break; - - default: - HttpSetLastErrorFromWinHttp (http); - goto done; - } - } - - if (retry) - --retryLimit; - } - - responseDataSize = 0; - while (retryLimit > 0) - { - DWORD bytesLeft; - char* writePtr; - - DWORD bytesAvailable = 0; - if (!WinHttpQueryDataAvailable(handle, &bytesAvailable)) { - WINHTTP_SAFE(GetLastError() == ERROR_WINHTTP_TIMEOUT); - --retryLimit; - continue; - } - - if (0 == bytesAvailable) - break; - - responseDataSize += bytesAvailable; - request->responseData = realloc(request->responseData, responseDataSize + 1); - - writePtr = request->responseData + responseDataSize - bytesAvailable; - writePtr[bytesAvailable] = 0; - - bytesLeft = bytesAvailable; - while (bytesLeft > 0) - { - DWORD bytesRead = 0; - if (!WinHttpReadData(handle, writePtr, bytesLeft, &bytesRead)) - { - WINHTTP_SAFE(GetLastError() == ERROR_WINHTTP_TIMEOUT); - if (--retryLimit == 0) - break; - - continue; - } - - bytesLeft -= bytesRead; - writePtr += bytesRead; - } - - if (bytesLeft > 0) - HttpSetLastError (http, "Maximum retries count exceeded"); - } - - complete = true; - - HttpSetLastError (http, NULL); - -done: - free(wideQuery); - return complete; -} - -const char* HttpGetError(http_t http) { - return http->error; -} +/*
+Copyright (c) 2015
+ Michał Cichoń <thedmd@interia.pl>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include "config.h"
+#include "http.h"
+#include <Windows.h>
+#include <winhttp.h>
+#pragma comment(lib, "winhttp.lib")
+
+struct _http_t {
+ HINTERNET session;
+ HINTERNET connection;
+ wchar_t* endpoint;
+ wchar_t* securePort;
+ wchar_t* autoProxy;
+ wchar_t* proxy;
+ wchar_t* proxyUsername;
+ wchar_t* proxyPassword;
+ char* error;
+};
+
+static char* HttpToString(const wchar_t* wideString, int size);
+static wchar_t* HttpToWideString(const char* string, int size);
+static bool HttpCreateConnection (http_t http);
+static void HttpCloseConnection (http_t http);
+static void HttpSetLastError (http_t http, const char* message);
+static void HttpSetLastErrorFromWinHttp (http_t http);
+static char* HttpFormatWinApiError (DWORD errorCode, HINSTANCE module);
+static char* HttpFormatWinHttpError (DWORD errorCode);
+static void HttpClearProxy (http_t http);
+
+# define WINHTTP_SAFE(condition) do { if (condition) break; HttpSetLastErrorFromWinHttp (http); return false; } while (false)
+# define WINHTTP_SAFE_DONE(condition) do { if (condition) break; HttpSetLastErrorFromWinHttp (http); goto done; } while (false)
+
+static char* HttpToString(const wchar_t* wideString, int size) {
+ int utfSize = WideCharToMultiByte(CP_UTF8, 0, wideString, size, NULL, 0, NULL, NULL);
+ char* utfMessage = malloc(utfSize + 1);
+ if (utfMessage) {
+ utfMessage[utfSize] = 0;
+ WideCharToMultiByte(CP_UTF8, 0, wideString, size, utfMessage, utfSize, NULL, NULL);
+ }
+ return utfMessage;
+}
+
+static wchar_t* HttpToWideString(const char* string, int size) {
+ int wideSize = MultiByteToWideChar(CP_UTF8, 0, string, size, NULL, 0);
+ int wideBytes = (wideSize + 1) * sizeof(wchar_t);
+ wchar_t* wideMessage = malloc(wideBytes);
+ if (wideMessage) {
+ wideMessage[wideSize] = 0;
+ MultiByteToWideChar(CP_UTF8, 0, string, size, wideMessage, wideSize);
+ }
+ return wideMessage;
+}
+
+
+static bool HttpCreateConnection (http_t http) {
+ INTERNET_PORT defaultPort = INTERNET_DEFAULT_PORT;
+
+ HttpCloseConnection (http);
+
+ http->session = WinHttpOpen(
+ L"WinHTTP/1.0",
+ WINHTTP_ACCESS_TYPE_NO_PROXY,
+ WINHTTP_NO_PROXY_NAME,
+ WINHTTP_NO_PROXY_BYPASS,
+ 0);
+ WINHTTP_SAFE(http->session != NULL);
+
+ WinHttpSetTimeouts(http->session,
+ 60 * 1000, // DNS time-out
+ 60 * 1000, // connect time-out
+ 30 * 1000, // send time-out
+ 30 * 1000); // receive time-out
+
+ http->connection = WinHttpConnect(
+ http->session,
+ http->endpoint,
+ defaultPort,
+ 0);
+ WINHTTP_SAFE(http->connection != NULL);
+
+ return true;
+}
+
+static void HttpCloseConnection (http_t http) {
+ if (http->connection) {
+ WinHttpCloseHandle(http->connection);
+ http->connection = NULL;
+ }
+
+ if (http->session) {
+ WinHttpCloseHandle(http->session);
+ http->session = NULL;
+ }
+}
+
+static void HttpSetLastError (http_t http, const char* message) {
+ free(http->error);
+ http->error = NULL;
+
+ if (message)
+ http->error = strdup(message);
+}
+
+static void HttpSetLastErrorFromWinHttp (http_t http) {
+ free(http->error);
+ http->error = NULL;
+
+ DWORD error = GetLastError();
+ if (error)
+ http->error = HttpFormatWinHttpError(error);
+}
+
+static char* HttpFormatWinApiError (DWORD errorCode, HINSTANCE module) {
+ const int source_flag = module ? FORMAT_MESSAGE_FROM_HMODULE : FORMAT_MESSAGE_FROM_SYSTEM;
+
+ HLOCAL buffer = NULL;
+ int bufferLength = FormatMessageW(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | source_flag,
+ (void*)module,
+ errorCode,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPWSTR)&buffer,
+ 0,
+ NULL);
+
+ if (bufferLength > 0) {
+ char* message;
+
+ wchar_t* wideMessage = (wchar_t*)buffer;
+
+ /* Drop new line from the end. */
+ wchar_t* wideMessageBack = wideMessage + bufferLength - 1;
+ while (wideMessageBack > wideMessage && (*wideMessageBack == '\r' || *wideMessageBack == '\n'))
+ --wideMessageBack;
+
+ message = HttpToString (wideMessage, wideMessageBack - wideMessage + 1);
+
+ LocalFree(buffer);
+
+ return message;
+ }
+ else
+ return NULL;
+}
+
+static char* HttpFormatWinHttpError (DWORD errorCode) {
+ if (errorCode >= WINHTTP_ERROR_BASE && errorCode <= WINHTTP_ERROR_LAST) {
+ HMODULE module = GetModuleHandleW(L"WinHTTP.dll");
+ if (module) {
+ char* message = HttpFormatWinApiError(errorCode, module);
+ if (message)
+ return message;
+ }
+ }
+
+ return HttpFormatWinApiError(errorCode, NULL);
+}
+
+bool HttpInit(http_t* http, const char* endpoint, const char* securePort) {
+ http_t out = malloc(sizeof(struct _http_t));
+ if (!out)
+ return false;
+ memset(out, 0, sizeof(struct _http_t));
+
+ out->endpoint = HttpToWideString(endpoint, -1);
+ out->securePort = HttpToWideString(securePort, -1);
+
+ if (!HttpCreateConnection (out)) {
+ HttpDestroy (out);
+ return false;
+ }
+
+ *http = out;
+ return true;
+}
+
+void HttpDestroy(http_t http) {
+ if (http) {
+ free(http->endpoint);
+ free(http->securePort);
+ http->endpoint = NULL;
+ http->securePort = NULL;
+ HttpCloseConnection (http);
+ HttpClearProxy (http);
+ }
+ free(http);
+}
+
+static void HttpClearProxy (http_t http) {
+ if (http->autoProxy) {
+ free(http->autoProxy);
+ http->autoProxy = NULL;
+ }
+
+ if (http->proxy) {
+ free(http->proxy);
+ http->proxy = NULL;
+ }
+
+ if (http->proxyUsername) {
+ free(http->proxyUsername);
+ http->proxyUsername = NULL;
+ }
+
+ if (http->proxyPassword) {
+ free(http->proxyPassword);
+ http->proxyPassword = NULL;
+ }
+}
+
+bool HttpSetAutoProxy (http_t http, const char* url) {
+ HttpClearProxy (http);
+ if (HttpSetProxy (http, url)) {
+ http->autoProxy = http->proxy;
+ http->proxy = NULL;
+ return true;
+ }
+ else
+ return false;
+}
+
+bool HttpSetProxy (http_t http, const char* url) {
+ URL_COMPONENTS urlComponents;
+ wchar_t* wideUrl = NULL;
+ wchar_t* wideUrl2 = NULL;
+ wchar_t* wideUsername = NULL;
+ wchar_t* widePassword = NULL;
+
+ ZeroMemory(&urlComponents, sizeof(urlComponents));
+ urlComponents.dwStructSize = sizeof(urlComponents);
+ urlComponents.dwUserNameLength = -1;
+ urlComponents.dwPasswordLength = -1;
+
+ wideUrl = HttpToWideString(url, -1);
+ if (WinHttpCrackUrl(wideUrl, wcslen(wideUrl), 0, &urlComponents)) {
+ if (urlComponents.lpszUserName && urlComponents.dwUserNameLength > 0) {
+ wideUsername = wcsdup(urlComponents.lpszUserName);
+ wideUsername[urlComponents.dwUserNameLength] = 0;
+ }
+ if (urlComponents.lpszPassword && urlComponents.dwPasswordLength > 0) {
+ widePassword = wcsdup(urlComponents.lpszPassword);
+ widePassword[urlComponents.dwPasswordLength] = 0;
+ }
+ }
+
+ ZeroMemory(&urlComponents, sizeof(urlComponents));
+ urlComponents.dwStructSize = sizeof(urlComponents);
+ urlComponents.dwHostNameLength = -1;
+ urlComponents.dwUrlPathLength = -1;
+
+ if (!WinHttpCrackUrl(wideUrl, wcslen(wideUrl), 0, &urlComponents)) {
+ free(wideUsername);
+ free(widePassword);
+ return false;
+ }
+
+ if (urlComponents.lpszHostName && urlComponents.dwHostNameLength > 0) {
+ wideUrl2 = wcsdup(urlComponents.lpszHostName);
+ wideUrl2[urlComponents.lpszUrlPath - urlComponents.lpszHostName] = 0;
+ }
+
+ free(wideUrl);
+
+ HttpClearProxy(http);
+ http->proxy = wideUrl2;
+ http->proxyUsername = wideUsername;
+ http->proxyPassword = widePassword;
+ return true;
+}
+
+bool HttpRequest(http_t http, PianoRequest_t * const request) {
+ HINTERNET handle = NULL;
+ wchar_t* wideQuery = NULL;
+ bool requestSent = false;
+ bool complete = false;
+ int retryLimit = 3;
+ size_t responseDataSize;
+
+ wideQuery = HttpToWideString(request->urlPath, -1);
+ WINHTTP_SAFE_DONE(wideQuery != NULL);
+
+ handle = WinHttpOpenRequest(
+ http->connection,
+ L"POST",
+ wideQuery,
+ L"HTTP/1.1",
+ WINHTTP_NO_REFERER,
+ WINHTTP_DEFAULT_ACCEPT_TYPES,
+ request->secure ? WINHTTP_FLAG_SECURE : 0);
+ WINHTTP_SAFE_DONE(handle != NULL);
+
+ if (http->proxy || http->autoProxy) {
+ wchar_t* fullUrl;
+ DWORD fullUrlSize = 0;
+ WINHTTP_PROXY_INFO proxyInfo;
+ bool success;
+
+ if (http->autoProxy) {
+ WINHTTP_AUTOPROXY_OPTIONS proxyOptions = { 0 };
+
+ success = WinHttpQueryOption(request, WINHTTP_OPTION_URL, NULL, &fullUrlSize);
+ WINHTTP_SAFE(!success && GetLastError() == ERROR_INSUFFICIENT_BUFFER);
+ fullUrl = calloc(1, fullUrlSize + 1);
+ success = WinHttpQueryOption(request, WINHTTP_OPTION_URL, fullUrl, &fullUrlSize);
+ if (!success) {
+ free(fullUrl);
+ WINHTTP_SAFE(success);
+ }
+
+ proxyOptions.lpszAutoConfigUrl = http->autoProxy;
+ proxyOptions.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL;
+
+ if (!(success = WinHttpGetProxyForUrl(http->session, fullUrl, &proxyOptions, &proxyInfo))) {
+ proxyOptions.fAutoLogonIfChallenged = true;
+ success = WinHttpGetProxyForUrl(http->session, fullUrl, &proxyOptions, &proxyInfo);
+ }
+
+ if (!success) {
+ free(fullUrl);
+ WINHTTP_SAFE(success);
+ }
+ }
+ else {
+ proxyInfo.dwAccessType = WINHTTP_ACCESS_TYPE_NAMED_PROXY;
+ proxyInfo.lpszProxy = http->proxy;
+ proxyInfo.lpszProxyBypass = NULL;
+ }
+
+ WINHTTP_SAFE(WinHttpSetOption(handle,
+ WINHTTP_OPTION_PROXY,
+ &proxyInfo, sizeof(proxyInfo)));
+
+ if (http->proxyUsername && http->proxyPassword) {
+ WINHTTP_SAFE(WinHttpSetCredentials(handle,
+ WINHTTP_AUTH_TARGET_PROXY,
+ WINHTTP_AUTH_SCHEME_BASIC,
+ http->proxyUsername,
+ http->proxyPassword,
+ NULL));
+ }
+ }
+
+ while (retryLimit > 0) {
+ DWORD errorCode, statusCode, statusCodeSize;
+ bool succeeded = false;
+ bool retry = false;
+
+ if (!requestSent) {
+ size_t postDataSize = strlen(request->postData);
+ succeeded = WinHttpSendRequest(handle,
+ WINHTTP_NO_ADDITIONAL_HEADERS,
+ 0,
+ request->postData,
+ postDataSize,
+ postDataSize,
+ 0);
+
+ if (succeeded)
+ requestSent = true;
+ }
+
+ if (requestSent)
+ succeeded = WinHttpReceiveResponse(handle, NULL);
+
+ errorCode = GetLastError();
+
+ statusCode = 0;
+ statusCodeSize = sizeof(statusCode);
+ if (!WinHttpQueryHeaders(handle,
+ WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER,
+ WINHTTP_HEADER_NAME_BY_INDEX,
+ &statusCode, &statusCodeSize, WINHTTP_NO_HEADER_INDEX)) {
+ statusCode = 0;
+ }
+
+ if (succeeded && statusCode == 407) {
+ requestSent = false;
+ retry = true;
+ }
+ else {
+ if (errorCode == ERROR_SUCCESS)
+ break;
+
+ switch (errorCode) {
+ case ERROR_WINHTTP_RESEND_REQUEST:
+ requestSent = false;
+ /* pass trough */
+
+ case ERROR_WINHTTP_NAME_NOT_RESOLVED:
+ case ERROR_WINHTTP_CANNOT_CONNECT:
+ case ERROR_WINHTTP_TIMEOUT:
+ retry = true;
+ break;
+
+ default:
+ HttpSetLastErrorFromWinHttp (http);
+ goto done;
+ }
+ }
+
+ if (retry)
+ --retryLimit;
+ }
+
+ responseDataSize = 0;
+ while (retryLimit > 0)
+ {
+ DWORD bytesLeft;
+ char* writePtr;
+
+ DWORD bytesAvailable = 0;
+ if (!WinHttpQueryDataAvailable(handle, &bytesAvailable)) {
+ WINHTTP_SAFE(GetLastError() == ERROR_WINHTTP_TIMEOUT);
+ --retryLimit;
+ continue;
+ }
+
+ if (0 == bytesAvailable)
+ break;
+
+ responseDataSize += bytesAvailable;
+ request->responseData = realloc(request->responseData, responseDataSize + 1);
+
+ writePtr = request->responseData + responseDataSize - bytesAvailable;
+ writePtr[bytesAvailable] = 0;
+
+ bytesLeft = bytesAvailable;
+ while (bytesLeft > 0)
+ {
+ DWORD bytesRead = 0;
+ if (!WinHttpReadData(handle, writePtr, bytesLeft, &bytesRead))
+ {
+ WINHTTP_SAFE(GetLastError() == ERROR_WINHTTP_TIMEOUT);
+ if (--retryLimit == 0)
+ break;
+
+ continue;
+ }
+
+ bytesLeft -= bytesRead;
+ writePtr += bytesRead;
+ }
+
+ if (bytesLeft > 0)
+ HttpSetLastError (http, "Maximum retries count exceeded");
+ }
+
+ complete = true;
+
+ HttpSetLastError (http, NULL);
+
+done:
+ free(wideQuery);
+ return complete;
+}
+
+const char* HttpGetError(http_t http) {
+ return http->error;
+}
|