src/tools/windows/converter_exe/http_download.h

// Copyright 2019 Google LLC
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#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_