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// Copyright (c) 2009, Google Inc.
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// A wrapper for libcurl to do HTTP Uploads, to support easy mocking
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// and unit testing of the HTTPUpload class.
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#include "third_party/curl/curl.h"
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namespace google_breakpad {
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class LibcurlWrapper {
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virtual bool SetProxy(const std::string& proxy_host,
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const std::string& proxy_userpwd);
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virtual bool AddFile(const std::string& upload_file_path,
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const std::string& basename);
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virtual bool SendRequest(const std::string& url,
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const std::map<std::string, std::string>& parameters,
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std::string* server_response);
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// This function initializes class state corresponding to function
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// pointers into the CURL library.
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bool SetFunctionPointers();
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bool init_ok_; // Whether init succeeded
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void* curl_lib_; // Pointer to result of dlopen() on
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std::string last_curl_error_; // The text of the last error when
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CURL *curl_; // Pointer for handle for CURL calls.
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CURL* (*easy_init_)(void);
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// Stateful pointers for calling into curl_formadd()
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struct curl_httppost *formpost_;
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struct curl_httppost *lastptr_;
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struct curl_slist *headerlist_;
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// Function pointers into CURL library
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CURLcode (*easy_setopt_)(CURL *, CURLoption, ...);
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CURLFORMcode (*formadd_)(struct curl_httppost **,
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struct curl_httppost **, ...);
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struct curl_slist* (*slist_append_)(struct curl_slist *, const char *);
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void (*slist_free_all_)(struct curl_slist *);
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CURLcode (*easy_perform_)(CURL *);
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const char* (*easy_strerror_)(CURLcode);
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void (*easy_cleanup_)(CURL *);
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void (*formfree_)(struct curl_httppost *);