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///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/webrequest_winhttp.h
// Purpose: wxWebRequest WinHTTP implementation
// Author: Tobias Taschner
// Created: 2018-10-17
// Copyright: (c) 2018 wxWidgets development team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_WEBREQUEST_WINHTTP_H
#define _WX_MSW_WEBREQUEST_WINHTTP_H
#include "wx/private/webrequest.h"
#include "wx/msw/wrapwin.h"
#include <winhttp.h>
#include "wx/buffer.h"
class wxWebSessionWinHTTP;
class wxWebRequestWinHTTP;
class wxWebResponseWinHTTP : public wxWebResponseImpl
{
public:
wxWebResponseWinHTTP(wxWebRequestWinHTTP& request);
wxFileOffset GetContentLength() const wxOVERRIDE { return m_contentLength; }
wxString GetURL() const wxOVERRIDE;
wxString GetHeader(const wxString& name) const wxOVERRIDE;
int GetStatus() const wxOVERRIDE;
wxString GetStatusText() const wxOVERRIDE;
bool ReadData();
bool ReportAvailableData(DWORD dataLen);
private:
HINTERNET m_requestHandle;
wxFileOffset m_contentLength;
wxDECLARE_NO_COPY_CLASS(wxWebResponseWinHTTP);
};
class wxWebAuthChallengeWinHTTP : public wxWebAuthChallengeImpl
{
public:
wxWebAuthChallengeWinHTTP(wxWebAuthChallenge::Source source,
wxWebRequestWinHTTP& request);
bool Init();
void SetCredentials(const wxWebCredentials& cred) wxOVERRIDE;
private:
wxWebRequestWinHTTP& m_request;
DWORD m_target;
DWORD m_selectedScheme;
wxDECLARE_NO_COPY_CLASS(wxWebAuthChallengeWinHTTP);
};
class wxWebRequestWinHTTP : public wxWebRequestImpl
{
public:
wxWebRequestWinHTTP(wxWebSession& session,
wxWebSessionWinHTTP& sessionImpl,
wxEvtHandler* handler,
const wxString& url,
int id);
~wxWebRequestWinHTTP();
void Start() wxOVERRIDE;
wxWebResponseImplPtr GetResponse() const wxOVERRIDE
{ return m_response; }
wxWebAuthChallengeImplPtr GetAuthChallenge() const wxOVERRIDE
{ return m_authChallenge; }
wxFileOffset GetBytesSent() const wxOVERRIDE { return m_dataWritten; }
wxFileOffset GetBytesExpectedToSend() const wxOVERRIDE { return m_dataSize; }
void HandleCallback(DWORD dwInternetStatus, LPVOID lpvStatusInformation,
DWORD dwStatusInformationLength);
HINTERNET GetHandle() const { return m_request; }
wxWebRequestHandle GetNativeHandle() const wxOVERRIDE
{
return (wxWebRequestHandle)GetHandle();
}
private:
void DoCancel() wxOVERRIDE;
wxWebSessionWinHTTP& m_sessionImpl;
wxString m_url;
HINTERNET m_connect;
HINTERNET m_request;
wxObjectDataPtr<wxWebResponseWinHTTP> m_response;
wxObjectDataPtr<wxWebAuthChallengeWinHTTP> m_authChallenge;
wxMemoryBuffer m_dataWriteBuffer;
wxFileOffset m_dataWritten;
void SendRequest();
void WriteData();
void CreateResponse();
// Set the state to State_Failed with the error string including the
// provided description of the operation and the error message for this
// error code.
void SetFailed(const wxString& operation, DWORD errorCode);
void SetFailedWithLastError(const wxString& operation)
{
SetFailed(operation, ::GetLastError());
}
friend class wxWebAuthChallengeWinHTTP;
wxDECLARE_NO_COPY_CLASS(wxWebRequestWinHTTP);
};
class wxWebSessionWinHTTP : public wxWebSessionImpl
{
public:
wxWebSessionWinHTTP();
~wxWebSessionWinHTTP();
static bool Initialize();
wxWebRequestImplPtr
CreateRequest(wxWebSession& session,
wxEvtHandler* handler,
const wxString& url,
int id) wxOVERRIDE;
wxVersionInfo GetLibraryVersionInfo() wxOVERRIDE;
HINTERNET GetHandle() const { return m_handle; }
wxWebSessionHandle GetNativeHandle() const wxOVERRIDE
{
return (wxWebSessionHandle)GetHandle();
}
private:
HINTERNET m_handle;
bool Open();
wxDECLARE_NO_COPY_CLASS(wxWebSessionWinHTTP);
};
class wxWebSessionFactoryWinHTTP : public wxWebSessionFactory
{
public:
wxWebSessionImpl* Create() wxOVERRIDE
{
return new wxWebSessionWinHTTP();
}
bool Initialize() wxOVERRIDE
{
return wxWebSessionWinHTTP::Initialize();
}
};
#endif // _WX_MSW_WEBREQUEST_WINHTTP_H
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