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// Copyright 2019 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.
#ifndef TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_
#define TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_
#include <map>
#include <string>
#include "tools/windows/converter_exe/winhttp_client.h"
namespace crash {
using std::map;
using std::string;
using std::wstring;
class HTTPDownload {
public:
// Retrieves the resource located at |url|, a http or https URL, via WinInet.
// The request is fetched with GET request; the optional |parameters| are
// appended to the URL. Returns true on success, placing the content of the
// retrieved resource in |content|. Returns false on failure. HTTP status
// codes other than 200 cause Download to return false. If |status_code| is
// supplied, it will be set to the value of the HTTP status code, if an HTTP
// transaction occurs. If Download fails before a transaction can occur,
// |status_code| will be set to 0. Any failures will result in messages
// being printed to stderr.
static bool Download(const wstring& url,
const map<wstring, wstring>* parameters,
string *content, int *status_code);
private:
static HttpClient* CreateHttpClient(const wchar_t*);
};
} // namespace crash
#endif // TOOLS_WINDOWS_CONVERTER_EXE_HTTP_DOWNLOAD_H_
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