// . init s_mimeTable in this call
// . called from HttpServer::init
// . returns false and sets g_errno on error
bool HttpMime::init ( ) {
// only need to call once
if ( s_init ) return true;
// make sure only called once
s_init = true;
//s_mimeTable.set ( 256 );
// set table from internal list
for ( unsigned long i = 0 ; i < sizeof(s_ext)/sizeof(char *) ; i+=2 ) {
long key = hash32n ( s_ext[i] );
if ( ! s_mimeTable.addKey ( key , (long)s_ext[i+1] ) )
return log("HttpMime::init: failed to set table.");
}
// quick text
const char *tt = getContentTypeFromExtension ( "zip" );
if ( strcmp(tt,"application/zip") != 0 ) {
g_errno = EBADENGINEER;
return log("http: Failed to init mime table correctly.");
}
// a more thorough test
for ( unsigned long i = 0 ; i < sizeof(s_ext)/sizeof(char *) ; i+=2) {
tt = getContentTypeFromExtension ( s_ext[i] );
if ( strcmp(tt,s_ext[i+1]) == 0 ) continue;
g_errno = EBADENGINEER;
return log("http: Failed to do mime table correctly. i=%li",i);
}
// TODO: set it from a user supplied file here
return true;
}
// . init s_mimeTable in this call
// . called from HttpServer::init
// . returns false and sets g_errno on error
bool HttpMime::init ( ) {
// only need to call once
if ( s_init ) return true;
// make sure only called once
s_init = true;
if ( ! s_mimeTable.set(4,sizeof(char *),256,NULL,0,false,"mimetbl"))
return false;
// set table from internal list
for ( uint32_t i = 0 ; i < sizeof(s_ext)/sizeof(char *) ; i+=2 ) {
int32_t key = hash32n ( s_ext[i] );
if ( ! s_mimeTable.addKey ( &key , &s_ext[i+1] ) ) {
log(LOG_WARN, "HttpMime::init: failed to set table.");
return false;
}
}
// quick text
const char *tt = getContentTypeFromExtension ( "zip" );
if ( strcmp(tt,"application/zip") != 0 ) {
g_errno = EBADENGINEER;
log(LOG_WARN, "http: Failed to init mime table correctly.");
return false;
}
// a more thorough test
for ( uint32_t i = 0 ; i < sizeof(s_ext)/sizeof(char *) ; i+=2) {
tt = getContentTypeFromExtension ( s_ext[i] );
if ( strcmp(tt,s_ext[i+1]) == 0 ) continue;
g_errno = EBADENGINEER;
log(LOG_WARN, "http: Failed to do mime table correctly. i=%" PRId32,i);
return false;
}
// TODO: set it from a user supplied file here
return true;
}
// a cacheTime of -1 means browser should not cache at all
void HttpMime::makeMime ( long totalContentLen ,
long cacheTime ,
time_t lastModified ,
long offset ,
long bytesToSend ,
char *ext ,
bool POSTReply ,
char *contentType ,
char *charset ,
long httpStatus ,
char *cookie ) {
// assume UTF-8
//if ( ! charset ) charset = "utf-8";
// . make the content type line
// . uses a static buffer
if ( ! contentType )
contentType = (char *)getContentTypeFromExtension ( ext );
// do not cache plug ins
if ( contentType && strcmp(contentType,"application/x-xpinstall")==0)
cacheTime = -2;
// assume UTF-8, but only if content type is text
// . No No No!!!
// . This prevents charset specification in html files
// . -partap
//if ( ! charset && contentType && strncmp(contentType,"text",4)==0)
// charset = "utf-8";
// this is used for bz2 and gz files (mp3?)
const char *contentEncoding = getContentEncodingFromExtension ( ext );
// the string
char enc[128];
if ( contentEncoding )
sprintf ( enc , "Content-Encoding: %s\r\n", contentEncoding );
else
enc[0] = '\0';
// get the time now
//time_t now = getTimeGlobal();
time_t now;
if ( isClockInSync() ) now = getTimeGlobal();
else now = getTimeLocal();
// get the greenwhich mean time (GMT)
char ns[128];
struct tm *timeStruct = gmtime ( &now );
// Wed, 20 Mar 2002 16:47:30 GMT
strftime ( ns , 126 , "%a, %d %b %Y %T GMT" , timeStruct );
// if lastModified is 0 use now
if ( lastModified == 0 ) lastModified = now;
// convert lastModified greenwhich mean time (GMT)
char lms[128];
timeStruct = gmtime ( &lastModified );
// Wed, 20 Mar 2002 16:47:30 GMT
strftime ( lms , 126 , "%a, %d %b %Y %T GMT" , timeStruct );
// . the pragma no cache string (used just for proxy servers?)
// . also use cache-control: for the browser itself (HTTP1.1, though)
// . pns = "Pragma: no-cache\nCache-Control: no-cache\nExpires: -1\n";
char tmp[128];
char *pns ;
// with cache-control on, when you hit the back button, it reloads
// the page, this is bad for most things... so we only avoid the
// cache for index.html and PageAddUrl.cpp (the main and addurl page)
if ( cacheTime == -2 ) pns = "Cache-Control: no-cache\r\n"
"Pragma: no-cache\r\n"
"Expires: -1\r\n";
// so when we click on a control link, it responds correctly.
// like turning spiders on.
else if ( cacheTime == -1 ) pns = "Pragma: no-cache\r\n"
"Expires: -1\r\n";
// don't specify cache times if it's 0 (let browser regulate it)
else if ( cacheTime == 0 ) pns = "";
// otherwise, expire tag: "Expires: Wed, 23 Dec 2001 10:23:01 GMT"
else {
time_t expDate = now + cacheTime;
timeStruct = gmtime ( &expDate );
strftime ( tmp , 100 , "Expires: %a, %d %b %Y %T GMT\r\n",
timeStruct );
pns = tmp;
}
// . set httpStatus
// . a reply to a POST (not a GET or HEAD) should be 201
char *p = m_buf;
char *smsg = "";
if ( POSTReply ) {
if ( httpStatus == -1 ) httpStatus = 200;
if ( httpStatus == 200 ) smsg = " OK";
if ( ! charset ) charset = "utf-8";
//sprintf ( m_buf ,
p += sprintf ( p,
"HTTP/1.0 %li%s\r\n"
"Date: %s\r\n"
//"P3P: CP=\"CAO PSA OUR\"\r\n"
"Server: Gigablast/1.0\r\n"
"Content-Length: %li\r\n"
//"Expires: Wed, 23 Dec 2003 10:23:01 GMT\r\n"
//"Expires: -1\r\n"
"Connection: Close\r\n"
"%s"
"Content-Type: %s\r\n\r\n",
//"Connection: Keep-Alive\r\n"
//"%s"
//"Location: f**k\r\n"
//"Location: http://192.168.0.4:8000/cgi/3.cgi\r\n"
//"Last-Modified: %s\r\n\r\n" ,
httpStatus , smsg ,
ns , totalContentLen , enc , contentType );
//pns ,
//ns );
//lms );
}
// . is it partial content?
// . if bytesToSend is < 0 it means "totalContentLen"
else if ( offset > 0 || bytesToSend != -1 ) {
if ( httpStatus == -1 ) httpStatus = 206;
if ( ! charset ) charset = "utf-8";
//sprintf ( m_buf ,
p += sprintf( p,
"HTTP/1.0 %li Partial content\r\n"
"%s"
"Content-Length: %li\r\n"
"Content-Range: %li-%li(%li)\r\n"// added "bytes"
"Connection: Close\r\n"
//"P3P: CP=\"CAO PSA OUR\"\r\n"
"Server: Gigablast/1.0\r\n"
"%s"
"Date: %s\r\n"
"Last-Modified: %s\r\n"
"Content-Type: %s\r\n",
httpStatus ,
enc ,bytesToSend ,
offset , offset + bytesToSend ,
totalContentLen ,
pns ,
ns ,
lms , contentType );
// otherwise, do a normal mime
}
else {
char encoding[256];
if (charset) sprintf(encoding, "; charset=%s", charset);
else encoding[0] = '\0';
if ( httpStatus == -1 ) httpStatus = 200;
if ( httpStatus == 200 ) smsg = " OK";
//sprintf ( m_buf ,
p += sprintf( p,
"HTTP/1.0 %li%s\r\n"
// make it at least 4 spaces so we can change
// the length of the content should we insert
// a login bar in Proxy::storeLoginBar()
"Content-Length: %04li\r\n"
"%s"
"Content-Type: %s",
httpStatus , smsg ,
totalContentLen , enc , contentType );
if ( charset ) p += sprintf ( p , "; charset=%s", charset );
p += sprintf ( p , "\r\n");
p += sprintf ( p ,
//"Connection: Keep-Alive\r\n"
"Connection: Close\r\n"
//"P3P: CP=\"CAO PSA OUR\"\r\n"
"Server: Gigablast/1.0\r\n"
"%s"
"Date: %s\r\n"
"Last-Modified: %s\r\n" ,
pns ,
ns ,
lms );
}
// write the cookie if we have one
if (cookie) {
// now it is a list of Set-Cookie: x=y\r\n lines
//p += sprintf ( p, "Set-Cookie: %s\r\n", cookie);
if ( strncmp(cookie,"Set-Cookie",10 ) )
p += sprintf(p,"Set-Cookie: ");
p += sprintf ( p, "%s", cookie);
if ( p[-1] != '\n' && p[-2] != '\r' ) {
*p++ = '\r';
*p++ = '\n';
}
}
// write another line to end the mime
p += sprintf(p, "\r\n");
// set the mime's length
//m_bufLen = gbstrlen ( m_buf );
m_bufLen = p - m_buf;
}
