1 // Copyright 2006 Google LLC 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 LLC 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 // HTTPUpload provides a "nice" API to send a multipart HTTP(S) POST 30 // request using libcurl. It currently supports requests that contain 31 // a set of string parameters (key/value pairs), and a file to upload. 32 33 #ifndef COMMON_LINUX_HTTP_UPLOAD_H__ 34 #define COMMON_LINUX_HTTP_UPLOAD_H__ 35 36 #include <map> 37 #include <string> 38 39 #include "common/using_std_string.h" 40 41 namespace google_breakpad { 42 43 using std::map; 44 45 class HTTPUpload { 46 public: 47 // Sends the given sets of parameters and files as a multipart POST 48 // request to the given URL. 49 // Each key in |files| is the name of the file part of the request 50 // (i.e. it corresponds to the name= attribute on an <input type="file">. 51 // Parameter names must contain only printable ASCII characters, 52 // and may not contain a quote (") character. 53 // Only HTTP(S) URLs are currently supported. Returns true on success. 54 // If the request is successful and response_body is non-NULL, 55 // the response body will be returned in response_body. 56 // If response_code is non-NULL, it will be set to the HTTP response code 57 // received (or 0 if the request failed before getting an HTTP response). 58 // If the send fails, a description of the error will be 59 // returned in error_description. 60 static bool SendRequest(const string& url, 61 const map<string, string>& parameters, 62 const map<string, string>& files, 63 const string& proxy, 64 const string& proxy_user_pwd, 65 const string& ca_certificate_file, 66 string* response_body, 67 long* response_code, 68 string* error_description); 69 70 private: 71 // Checks that the given list of parameters has only printable 72 // ASCII characters in the parameter name, and does not contain 73 // any quote (") characters. Returns true if so. 74 static bool CheckParameters(const map<string, string>& parameters); 75 76 // Checks the curl_lib parameter points to a valid curl lib. 77 static bool CheckCurlLib(void* curl_lib); 78 79 // No instances of this class should be created. 80 // Disallow all constructors, destructors, and operator=. 81 HTTPUpload(); 82 explicit HTTPUpload(const HTTPUpload&); 83 void operator=(const HTTPUpload&); 84 ~HTTPUpload(); 85 }; 86 87 } // namespace google_breakpad 88 89 #endif // COMMON_LINUX_HTTP_UPLOAD_H__ 90