Hello friend i m trying to access google calendar information
programatically. Now there is how i m doing...
first i m sending HTTPS POST request , then i will get an Auth token.
By using that token as a header i will make HTTP GET request. now i m
doing same . I m getting Auth token but not getting response for GET
request. here is my code:
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
hostent* pHost = (hostent*)gethostbyname("www.google.com");
char* pIPAddr = inet_ntoa(*(reinterpret_cast<in_addr*>(pHost-
>h_addr))) ;
SSL_load_error_strings();
int nRet = SSL_library_init();
SSL_load_error_strings();
SSLeay_add_all_algorithms ();
SSLeay_add_ssl_algorithms ();
SSL_METHOD *meth = NULL;
SSL_CTX *ssl_ctx = NULL;
meth = SSLv2_client_method();
ssl_ctx = SSL_CTX_new(meth);
SSL * ssl = NULL;
ssl = SSL_new(ssl_ctx);
SOCKET sock = socket(AF_INET, SOCK_STREAM, 0);
struct sockaddr_in gsin;
gsin.sin_family = AF_INET;
gsin.sin_addr.s_addr = inet_addr((const char*)pIPAddr);
gsin.sin_port = htons(443);
nRet = connect(sock,(SOCKADDR*) &gsin, sizeof(sockaddr));
DWORD dw = GetLastError();
nRet = SSL_set_fd(ssl, sock);
nRet = SSL_connect(ssl);
CURLEncode url_encode;
CString strTData;
strTData.Format (L"POST https://www.google.com/accounts/ClientLogin
HTTP/1.0\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-
Length: 119\r\n\r\naccountType=%s&Email=%s&Passwd=%s&service=%s&source=
%s\r\n\r\n", url_encode.URLEncode(L"HOSTED_OR_GOOGLE") ,
url_encode.URLEncode(L"[EMAIL PROTECTED]") ,
url_encode.URLEncode(L"harishiit") , url_encode.URLEncode(L"cl") ,
url_encode.URLEncode(L"DoMo-TestDLL-1.0.0.1"));
char* pData = new char[strTData.GetLength () + 1];
::WideCharToMultiByte (CP_ACP , 0 , strTData , strTData.GetLength () ,
pData , strTData.GetLength () , NULL , NULL);
pData[strTData.GetLength ()] = '\0';
// Making HTTPS POST
nRet = SSL_write(ssl, pData, strlen(pData)); //sending HTTP POST
delete []pData;
nRet = SSL_state(ssl);
char buf[1000];
memset(buf , 0 , sizeof(buf));
int nret;
CString m_out = L"";
while(nret = SSL_read(ssl, buf, 999))
{
buf[nret] = 0;
CString str(buf);
m_out += str;
}
CString strAuthKey = L"";
int nIndex = m_out.Find (L"Auth=");
if(nIndex != -1)
{
strAuthKey = m_out.Mid (nIndex + 5 , m_out.GetLength () - nIndex -
4);
strAuthKey.Trim ();
}
strTData = L"";
strTData.Format (L"GET http://www.google.com/calendar/feeds/%s/private/full
HTTP/1.0\r\n Authorization: GoogleLogin auth=%s \r\n\r\n" ,
url_encode.URLEncode(L"[EMAIL PROTECTED]") , strAuthKey );
pData = NULL;
pData = new char[strTData.GetLength () + 1];
::WideCharToMultiByte (CP_ACP , 0 , strTData , strTData.GetLength () ,
pData , strTData.GetLength () , NULL , NULL);
pData[strTData.GetLength ()] = '\0';
// Making HTTPS GET
nRet = SSL_write(ssl, pData, strlen(pData)); //sending HTTP POST
delete []pData;
nRet = SSL_state(ssl);
memset(buf , 0 , sizeof(buf));
m_out = L"";
// here in response i m getting blank in place of xml data....
while(nret = SSL_read(ssl, buf, 999))
{
buf[nret] = 0;
CString str(buf);
m_out += str;
}
WSACleanup( );
I think problem may be in following GET request:
strTData.Format (L"GET http://www.google.com/calendar/feeds/%s/private/full
HTTP/1.0\r\n Authorization: GoogleLogin auth=%s \r\n\r\n" ,
url_encode.URLEncode(L"[EMAIL PROTECTED]") , strAuthKey );
What wrong i m doing...
Can someone help me
Harry
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