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 // Copyright (c) 2006, Google Inc.

 // All rights reserved.

 //

 // Redistribution and use in source and binary forms, with or without

 // modification, are permitted provided that the following conditions are

 // met:

 //

 //     * Redistributions of source code must retain the above copyright

 // notice, this list of conditions and the following disclaimer.

 //     * Redistributions in binary form must reproduce the above

 // copyright notice, this list of conditions and the following disclaimer

 // in the documentation and/or other materials provided with the

 // distribution.

 //     * Neither the name of Google Inc. nor the names of its

 // contributors may be used to endorse or promote products derived from

 // this software without specific prior written permission.

 //

 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 // HTTPUpload provides a "nice" API to send a multipart HTTP(S) POST

 // request using libcurl.  It currently supports requests that contain

 // a set of string parameters (key/value pairs), and a file to upload.

 #ifndef COMMON_LINUX_HTTP_UPLOAD_H__

 #define COMMON_LINUX_HTTP_UPLOAD_H__

 #include <map>

 #include <string>

 #include "common/using_std_string.h"

 namespace google_breakpad {

 using std::map;

 class HTTPUpload {

  public:

   // Sends the given set of parameters, along with the contents of

   // upload_file, as a multipart POST request to the given URL.

   // file_part_name contains the name of the file part of the request

   // (i.e. it corresponds to the name= attribute on an <input type="file">.

   // Parameter names must contain only printable ASCII characters,

   // and may not contain a quote (") character.

   // Only HTTP(S) URLs are currently supported.  Returns true on success.

   // If the request is successful and response_body is non-NULL,

   // the response body will be returned in response_body.

   // If response_code is non-NULL, it will be set to the HTTP response code

   // received (or 0 if the request failed before getting an HTTP response).

   // If the send fails, a description of the error will be

   // returned in error_description.

   static bool SendRequest(const string &url,

                           const map<string, string> &parameters,

                           const string &upload_file,

                           const string &file_part_name,

                           const string &proxy,

                           const string &proxy_user_pwd,

                           const string &ca_certificate_file,

                           string *response_body,

                           long *response_code,

                           string *error_description);

  private:

   // Checks that the given list of parameters has only printable

   // ASCII characters in the parameter name, and does not contain

   // any quote (") characters.  Returns true if so.

   static bool CheckParameters(const map<string, string> &parameters);

   // No instances of this class should be created.

   // Disallow all constructors, destructors, and operator=.

   HTTPUpload();

   explicit HTTPUpload(const HTTPUpload &);

   void operator=(const HTTPUpload &);

   ~HTTPUpload();

 };

 }  // namespace google_breakpad

 #endif  // COMMON_LINUX_HTTP_UPLOAD_H__