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/thirdparty/breakpad/common/windows/http_upload.h

http://github.com/tomahawk-player/tomahawk
C++ Header | 126 lines | 45 code | 21 blank | 60 comment | 0 complexity | 5d2165e884f0b35384c839a93951e946 MD5 | raw file
  1// Copyright (c) 2006, Google Inc.
  2// All rights reserved.
  3//
  4// Redistribution and use in source and binary forms, with or without
  5// modification, are permitted provided that the following conditions are
  6// met:
  7//
  8//     * Redistributions of source code must retain the above copyright
  9// notice, this list of conditions and the following disclaimer.
 10//     * Redistributions in binary form must reproduce the above
 11// copyright notice, this list of conditions and the following disclaimer
 12// in the documentation and/or other materials provided with the
 13// distribution.
 14//     * Neither the name of Google Inc. nor the names of its
 15// contributors may be used to endorse or promote products derived from
 16// this software without specific prior written permission.
 17//
 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 29
 30// HTTPUpload provides a "nice" API to send a multipart HTTP(S) POST
 31// request using wininet.  It currently supports requests that contain
 32// a set of string parameters (key/value pairs), and a file to upload.
 33
 34#ifndef COMMON_WINDOWS_HTTP_UPLOAD_H__
 35#define COMMON_WINDOWS_HTTP_UPLOAD_H__
 36
 37#pragma warning( push )
 38// Disable exception handler warnings.
 39#pragma warning( disable : 4530 ) 
 40
 41#include <Windows.h>
 42#include <WinInet.h>
 43
 44#include <map>
 45#include <string>
 46#include <vector>
 47
 48namespace google_breakpad {
 49
 50using std::string;
 51using std::wstring;
 52using std::map;
 53using std::vector;
 54
 55class HTTPUpload {
 56 public:
 57  // Sends the given set of parameters, along with the contents of
 58  // upload_file, as a multipart POST request to the given URL.
 59  // file_part_name contains the name of the file part of the request
 60  // (i.e. it corresponds to the name= attribute on an <input type="file">.
 61  // Parameter names must contain only printable ASCII characters,
 62  // and may not contain a quote (") character.
 63  // Only HTTP(S) URLs are currently supported.  Returns true on success.
 64  // If the request is successful and response_body is non-NULL,
 65  // the response body will be returned in response_body.
 66  // If response_code is non-NULL, it will be set to the HTTP response code
 67  // received (or 0 if the request failed before getting an HTTP response).
 68  static bool SendRequest(const wstring &url,
 69                          const map<wstring, wstring> &parameters,
 70                          const wstring &upload_file,
 71                          const wstring &file_part_name,
 72                          int *timeout,
 73                          wstring *response_body,
 74                          int *response_code);
 75
 76 private:
 77  class AutoInternetHandle;
 78
 79  // Retrieves the HTTP response.  If NULL is passed in for response,
 80  // this merely checks (via the return value) that we were successfully
 81  // able to retrieve exactly as many bytes of content in the response as
 82  // were specified in the Content-Length header.
 83  static bool HTTPUpload::ReadResponse(HINTERNET request, wstring* response);
 84
 85  // Generates a new multipart boundary for a POST request
 86  static wstring GenerateMultipartBoundary();
 87
 88  // Generates a HTTP request header for a multipart form submit.
 89  static wstring GenerateRequestHeader(const wstring &boundary);
 90
 91  // Given a set of parameters, an upload filename, and a file part name,
 92  // generates a multipart request body string with these parameters
 93  // and minidump contents.  Returns true on success.
 94  static bool GenerateRequestBody(const map<wstring, wstring> &parameters,
 95                                  const wstring &upload_file,
 96                                  const wstring &file_part_name,
 97                                  const wstring &boundary,
 98                                  string *request_body);
 99
100  // Fills the supplied vector with the contents of filename.
101  static bool GetFileContents(const wstring &filename, vector<char> *contents);
102
103  // Converts a UTF8 string to UTF16.
104  static wstring UTF8ToWide(const string &utf8);
105
106  // Converts a UTF16 string to UTF8.
107  static string WideToUTF8(const wstring &wide);
108
109  // Checks that the given list of parameters has only printable
110  // ASCII characters in the parameter name, and does not contain
111  // any quote (") characters.  Returns true if so.
112  static bool CheckParameters(const map<wstring, wstring> &parameters);
113
114  // No instances of this class should be created.
115  // Disallow all constructors, destructors, and operator=.
116  HTTPUpload();
117  explicit HTTPUpload(const HTTPUpload &);
118  void operator=(const HTTPUpload &);
119  ~HTTPUpload();
120};
121
122}  // namespace google_breakpad
123
124#pragma warning( pop )
125
126#endif  // COMMON_WINDOWS_HTTP_UPLOAD_H__