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#include "StdAfx.h"
#include "HTTPSession.h"
#include "EconomicRateInfo.h"
#include "LightMutex.h"
class CHTTPSession::CImpl
{
public:
CImpl() {}
virtual ~CImpl() {}
virtual bool OpenURL(const tstring& rsURL) = 0;
virtual bool ReadResponce(tstring& rsResponce)const = 0;
};
namespace
{
// class CImplMS : public CHTTPSession::CImpl
// {
// public:
// CImplMS()
// : m_hSession(::InternetOpen(_T("Dioksin"),PRE_CONFIG_INTERNET_ACCESS,NULL,INTERNET_INVALID_PORT_NUMBER,0)),
// m_hRequest(NULL)
// {
//
// }
//
// ~CImplMS()
// {
// if(m_hRequest)
// {
// ::InternetCloseHandle(m_hRequest);
// }
//
// if(m_hSession)
// {
// ::InternetCloseHandle(m_hSession);
// }
// }
//
// virtual bool OpenURL(const tstring& rsURL)
// {
// if(NULL == m_hSession)
// {
// return false;
// }
//
// if(NULL != m_hRequest)
// {
// ::InternetCloseHandle(m_hRequest);
// m_hRequest = NULL;
// }
//
// m_hRequest = ::InternetOpenUrl(m_hSession,rsURL.c_str(),NULL,0,INTERNET_FLAG_RELOAD,0);
// return NULL != m_hRequest;
// }
//
// virtual bool ReadResponce(tstring& rsResponce)const
// {
// if(NULL == m_hRequest)
// {
// return false;
// }
//
// std::string sBuffer;
// bool bResult = true;
// DWORD cbRead = 0;
// char szBuffer[1024];
// do{
// if(FALSE == ::InternetReadFile(m_hRequest,szBuffer,1024,&cbRead))
// {
// bResult = false;
// break;
// }
// if (0 == cbRead)
// {
// break; // Stop.
// }
// else
// {
// sBuffer.insert(sBuffer.size(),szBuffer,cbRead);
// }
// }while(true);
//
// if(true == bResult)
// {
// USES_CONVERSION;
// rsResponce = A2CT(sBuffer.c_str());
// }
//
// return bResult;
// }
// private:
// HINTERNET m_hSession;
// HINTERNET m_hRequest;
// };
//
int find_header(const NETLIBHTTPREQUEST* pRequest,const char* hdr)
{
for(int i = 0;i < pRequest->headersCount; ++i)
{
if (0 == _stricmp(pRequest->headers[i].szName,hdr))
{
return i;
}
}
return -1;
}
class CImplMI : public CHTTPSession::CImpl
{
public:
CImplMI() {}
static bool Init()
{
assert(NULL == g_hNetLib);
NETLIBUSER nlu = {0};
nlu.cbSize = sizeof(nlu);
nlu.flags = NUF_OUTGOING|NUF_HTTPCONNS|NUF_NOHTTPSOPTION|NUF_TCHAR;
nlu.szSettingsModule = QUOTES_PROTOCOL_NAME;
nlu.ptszDescriptiveName = TranslateT("Quotes HTTP connections");
g_hNetLib = reinterpret_cast<HANDLE>(CallService(MS_NETLIB_REGISTERUSER,0,(LPARAM)&nlu));
return (NULL != g_hNetLib);
}
static bool IsValid(){return NULL != g_hNetLib;}
virtual bool OpenURL(const tstring& rsURL)
{
// USES_CONVERSION;
m_aURL.swap(TBuffer());
std::string s = quotes_t2a(rsURL.c_str());
const char* psz = s.c_str();//T2CA(rsURL.c_str());
m_aURL.insert(m_aURL.begin(),psz,psz+strlen(psz)+1);
return true;
}
virtual bool ReadResponce(tstring& rsResponce)const
{
if(true == m_aURL.empty())
{
return false;
}
NETLIBHTTPREQUEST nlhr = {0};
nlhr.cbSize = sizeof(nlhr);
nlhr.requestType = REQUEST_GET;
nlhr.flags = NLHRF_DUMPASTEXT|NLHRF_HTTP11|NLHRF_REDIRECT;
char* pURL = &*(m_aURL.begin());
nlhr.szUrl = pURL;
nlhr.headersCount = 4;
nlhr.headers=(NETLIBHTTPHEADER*)mir_alloc(sizeof(NETLIBHTTPHEADER)*nlhr.headersCount);
nlhr.headers[0].szName = "User-Agent";
nlhr.headers[0].szValue = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
nlhr.headers[1].szName = "Connection";
nlhr.headers[1].szValue = "close";
nlhr.headers[2].szName = "Cache-Control";
nlhr.headers[2].szValue = "no-cache";
nlhr.headers[3].szName = "Pragma";
nlhr.headers[3].szValue = "no-cache";
// nlhr.headers[4].szName = "Accept-Encoding";
// nlhr.headers[4].szValue = "deflate, gzip";
// nlhr.headers[5].szName = "Cookie";
// nlhr.headers[5].szValue = cookie;
bool bResult = false;
NETLIBHTTPREQUEST* pReply = NULL;
{
CGuard<CLightMutex> guard(m_mx);
pReply = reinterpret_cast<NETLIBHTTPREQUEST*>(CallService(MS_NETLIB_HTTPTRANSACTION,
reinterpret_cast<WPARAM>(g_hNetLib),reinterpret_cast<LPARAM>(&nlhr)));
}
if(pReply)
{
if ((200 == pReply->resultCode) && (pReply->dataLength > 0))
{
TBuffer apBuffer;
apBuffer.insert(apBuffer.begin(),pReply->pData,pReply->pData+pReply->dataLength);
apBuffer.push_back('\0');
char* pResult = &*(apBuffer.begin());
int nIndex = find_header(pReply,"Content-Type");
if ((-1 != nIndex) && (NULL != strstr(_strlwr(pReply->headers[nIndex].szValue),"utf-8")))
{
TCHAR* p = mir_utf8decodeT(pResult);
rsResponce = p;
mir_free(p);
}
else
{
// USES_CONVERSION;
// LPCTSTR p = A2CT(pResult);
rsResponce = quotes_a2t(pResult);//p;
}
bResult = true;
}
CallService(MS_NETLIB_FREEHTTPREQUESTSTRUCT,0,reinterpret_cast<LPARAM>(pReply));
}
mir_free(nlhr.headers);
return bResult;
}
private:
static HANDLE g_hNetLib;
typedef std::vector<char> TBuffer;
mutable TBuffer m_aURL;
mutable CLightMutex m_mx;
};
HANDLE CImplMI::g_hNetLib = NULL;
// CHTTPSession::CImpl* create_impl()
// {
// if(true == CImplMI::IsValid())
// {
// return new CImplMI;
// }
// else
// {
// return new CImplMS;
// }
// }
}
CHTTPSession::CHTTPSession()
: m_pImpl(new CImplMI)
{
}
CHTTPSession::~CHTTPSession()
{
}
bool CHTTPSession::OpenURL(const tstring& rsURL)
{
return m_pImpl->OpenURL(rsURL);
}
bool CHTTPSession::ReadResponce(tstring& rsResponce)const
{
return m_pImpl->ReadResponce(rsResponce);
}
bool CHTTPSession::Init()
{
return CImplMI::Init();
}
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