Access HTTP files through proxy

Refer to the followingCode

// Download HTTP file through proxy

Cstring gehttptfile (cstring Surl)

{

Cstring scontent;

Char sproxylist [max_path], susername [64], spassword [64];

// In this case "proxya" is the proxy server name, and "8080" is its port

Strcpy (sproxylist, "proxya: 8080 ");

Strcpy (susername, "myusername ");

Strcpy (strpassword, "mypassword ");

DWORD dwservicetype = afx_inet_service_http;

Cstring sserver, sobject;

Internet_port nport;

Afxparseurl (URL, dwservicetype, szserver, szobject, nport );

Cinternetsession mysession;

Chttpconnection * pconnection;

Chttpfile * phttpfile;

Pconnection = mysession. gethttpconnection (szserver, internet_flag_keep_connection, internet_invalid_port_number, null, null );

Phttpfile = pconnection-> openrequest ("get", szobject, null, 0, null, null, internet_flag_keep_connection );

// Here for proxy

Internet_proxy_info proxyinfo;

Proxyinfo. dwaccesstype = internet_open_type_proxy;

Proxyinfo. lpszproxy = sproxylist;

Proxyinfo. lpszproxybypass = NULL;

Mysession. setoption (internet_option_proxy, (lpvoid) & proxyinfo, sizeof (internet_proxy_info ));

Phttpfile-> setoption (internet_option_proxy_username, susername, strlen (susername) + 1 );

Phttpfile-> setoption (internet_option_proxy_password, spassword, strlen (spassword) + 1 );

Phttpfile-> sendrequest (null );

DWORD nfilesize = phttpfile-> getlength ();

Lpstr rbuf = scontent. getbuffer (nfilesize );

Uint ubytesread = phttpfile-> Read (rbuf, nfilesize );

Scontent. releasebuffer ();

Phttpfile-> close ();

Delete phttpfile;

Pconnection-> close ();

Delete pconnection;

Mysession. Close ();

Return scontent;

}