int CWebPageDef::ServPageRequest( CClient * pClient, LPCTSTR pszURLArgs, CGTime * pdateIfModifiedSince )
{
ADDTOCALLSTACK("CWebPageDef::ServPageRequest");
UNREFERENCED_PARAMETER(pszURLArgs);
// Got a web page request from the client.
// ARGS:
// pszURLArgs = args on the URL line ex. http://www.hostname.com/dir?args
// RETURN:
// HTTP error code = 0=200 page was served.
ASSERT(pClient);
if ( HasTrigger(WTRIG_Load))
{
CResourceLock s;
if ( ResourceLock(s))
{
if (CScriptObj::OnTriggerScript( s, sm_szTrigName[WTRIG_Load], pClient, NULL ) == TRIGRET_RET_TRUE)
return( 0 ); // Block further action.
}
}
if ( m_privlevel )
{
if ( !pClient->m_pAccount )
return 401; // Authorization required
if ( pClient->GetPrivLevel() < m_privlevel )
return 403; // Forbidden
}
CGTime datetime = CGTime::GetCurrentTime();
LPCTSTR pszName;
bool fGenerate = false;
if ( m_type == WEBPAGE_TEMPLATE ) // my version of cgi
{
pszName = GetDstName();
if ( pszName[0] == '\0' )
{
pszName = "temppage.htm";
fGenerate = true;
}
else
{
fGenerate = ! m_iUpdatePeriod;
}
// The page must be generated on demand.
if ( ! WebPageUpdate( fGenerate, pszName, pClient ))
return 500;
}
else
{
pszName = GetName();
}
// Get proper Last-Modified: time.
time_t dateChange;
DWORD dwSize;
if ( ! CFileList::ReadFileInfo( pszName, dateChange, dwSize ))
{
return 500;
}
const char *sDate = datetime.FormatGmt(NULL); // current date.
if ( !fGenerate && !pdateIfModifiedSince && (pdateIfModifiedSince->IsTimeValid() && pdateIfModifiedSince->GetTime() > dateChange) )
{
TCHAR *pszTemp = Str_GetTemp();
sprintf(pszTemp, "HTTP/1.1 304 Not Modified\r\nDate: %s\r\nServer: " GRAY_TITLE " V " GRAY_VERSION "\r\nContent-Length: 0\r\n\r\n", sDate);
new PacketWeb(pClient, (BYTE*)pszTemp, strlen(pszTemp));
return 0;
}
// Now serve up the page.
CGFile FileRead;
if ( ! FileRead.Open( pszName, OF_READ|OF_BINARY ))
return 500;
// Send the header first.
TCHAR szTmp[8*1024];
size_t iLen = sprintf(szTmp,
"HTTP/1.1 200 OK\r\n" // 100 Continue
"Date: %s\r\n"
"Server: " GRAY_TITLE " V " GRAY_VERSION "\r\n"
"Accept-Ranges: bytes\r\n"
"Content-Type: %s\r\n",
static_cast<LPCTSTR>(sDate),
static_cast<LPCTSTR>(sm_szPageType[m_type]) // type of the file. image/gif, image/x-xbitmap, image/jpeg
);
if ( m_type == WEBPAGE_TEMPLATE )
iLen += sprintf(szTmp + iLen, "Expires: 0\r\n");
else
iLen += sprintf(szTmp + iLen, "Last-Modified: %s\r\n", CGTime(dateChange).FormatGmt(NULL));
iLen += sprintf( szTmp + iLen,
"Content-Length: %lu\r\n"
"\r\n",
dwSize
);
PacketWeb packet;
packet.setData((BYTE*)szTmp, iLen);
packet.send(pClient);
for (;;)
{
iLen = FileRead.Read( szTmp, sizeof( szTmp ) );
if ( iLen <= 0 )
break;
packet.setData((BYTE*)szTmp, iLen);
packet.send(pClient);
//dwSize -= iLen;
if ( iLen < sizeof( szTmp ) )
{
// memset( szTmp+iLen, 0, sizeof(szTmp)-iLen );
break;
}
}
return 0;
}
CGTime CGTime::GetCurrentTime() // static
{
// return the current system time
return CGTime(::time(NULL));
}
