1 // Copyright 2019 Google Inc. All rights reserved. 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 7 // * Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above 10 // copyright notice, this list of conditions and the following disclaimer 11 // in the documentation and/or other materials provided with the 12 // distribution. 13 // * Neither the name of Google Inc. nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 #ifndef TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_ 30 #define TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_ 31 32 #include <map> 33 #include <string> 34 #include "tools/windows/converter_exe/winhttp_client.h" 35 36 namespace crash { 37 38 using std::map; 39 using std::string; 40 using std::wstring; 41 42 class HTTPDownload { 43 public: 44 // Retrieves the resource located at |url|, a http or https URL, via WinInet. 45 // The request is fetched with GET request; the optional |parameters| are 46 // appended to the URL. Returns true on success, placing the content of the 47 // retrieved resource in |content|. Returns false on failure. HTTP status 48 // codes other than 200 cause Download to return false. If |status_code| is 49 // supplied, it will be set to the value of the HTTP status code, if an HTTP 50 // transaction occurs. If Download fails before a transaction can occur, 51 // |status_code| will be set to 0. Any failures will result in messages 52 // being printed to stderr. 53 static bool Download(const wstring &url, 54 const map<wstring, wstring> *parameters, 55 string *content, int *status_code); 56 private: 57 static HttpClient* CreateHttpClient(const wchar_t*); 58 }; 59 60 } // namespace crash 61 62 #endif // TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_ 63