2 * This is the main transaction loop of the web service. It maintains a
3 * persistent session to the Citadel server, handling HTTP WebCit requests as
4 * they arrive and presenting a user interface.
6 * Copyright (c) 1996-2013 by the citadel.org team
8 * This program is open source software. You can redistribute it and/or
9 * modify it under the terms of the GNU General Public License, version 3.
12 #define SHOW_ME_VAPPEND_PRINTF
17 #include "webserver.h"
19 StrBuf *csslocal = NULL;
20 HashList *HandlerHash = NULL;
22 void stuff_to_cookie(int unset_cookie);
23 extern int GetConnected(void);
26 void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt)
31 n = GetCount(WCC->Hdr->HTTPHeaders);
32 Put(WCC->Hdr->HTTPHeaders, IKEY(n), Data, DeleteIt);
35 void DeleteWebcitHandler(void *vHandler)
37 WebcitHandler *Handler = (WebcitHandler*) vHandler;
38 FreeStrBuf(&Handler->Name);
39 FreeStrBuf(&Handler->DisplayName);
43 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen,
44 const char *DisplayName, long dslen,
48 WebcitHandler *NewHandler;
49 NewHandler = (WebcitHandler*) malloc(sizeof(WebcitHandler));
51 NewHandler->Flags = Flags;
52 NewHandler->Name = NewStrBufPlain(UrlString, UrlSLen);
53 StrBufShrinkToFit(NewHandler->Name, 1);
54 NewHandler->DisplayName = NewStrBufPlain(DisplayName, dslen);
55 StrBufShrinkToFit(NewHandler->DisplayName, 1);
56 Put(HandlerHash, UrlString, UrlSLen, NewHandler, DeleteWebcitHandler);
59 void tmplput_HANDLER_DISPLAYNAME(StrBuf *Target, WCTemplputParams *TP)
62 if (WCC->Hdr->HR.Handler != NULL)
63 StrBufAppendTemplate(Target, TP, WCC->Hdr->HR.Handler->DisplayName, 0);
68 * web-printing funcion. uses our vsnprintf wrapper
70 #ifdef UBER_VERBOSE_DEBUGGING
71 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format,...)
73 void wc_printf(const char *format,...)
79 if (WCC->WBuf == NULL)
80 WCC->WBuf = NewStrBuf();
81 #ifdef UBER_VERBOSE_DEBUGGING
82 StrBufAppendPrintf(WCC->WBuf, "\n%s:%s:%d[", FILE, FUNCTION, LINE);
85 va_start(arg_ptr, format);
86 StrBufVAppendPrintf(WCC->WBuf, format, arg_ptr);
88 #ifdef UBER_VERBOSE_DEBUGGING
89 StrBufAppendPrintf(WCC->WBuf, "]\n");
94 * http-header-printing funcion. uses our vsnprintf wrapper
96 void hprintf(const char *format,...)
101 va_start(arg_ptr, format);
102 StrBufVAppendPrintf(WCC->HBuf, format, arg_ptr);
109 * wrap up an HTTP session, closes tags, etc.
111 * print_standard_html_footer should be set to:
112 * 0 - to transmit only,
113 * nonzero - to append the closing tags
115 void wDumpContent(int print_standard_html_footer)
117 if (print_standard_html_footer) {
118 wc_printf("</div> <!-- end of 'content' div -->\n");
119 do_template("trailing");
122 /* If we've been saving it all up for one big output burst,
123 * go ahead and do that now.
132 * Output HTTP headers and leading HTML for a page
134 void output_headers( int do_httpheaders, /* 1 = output HTTP headers */
135 int do_htmlhead, /* 1 = output HTML <head> section and <body> opener */
136 int do_room_banner, /* 1 = include the room banner and <div id="content"></div> */
137 int unset_cookies, /* 1 = session is terminating, so unset the cookies */
138 int suppress_check, /* 1 = suppress check for instant messages */
139 int cache /* 1 = allow browser to cache this page */
144 if (WCC->Hdr->HaveRange > 1)
145 hprintf("HTTP/1.1 206 Partial Content\r\n");
147 hprintf("HTTP/1.1 200 OK\r\n");
149 http_datestring(httpnow, sizeof httpnow, time(NULL));
151 if (do_httpheaders) {
152 if (WCC->serv_info != NULL)
153 hprintf("Content-type: text/html; charset=utf-8\r\n"
155 "Connection: close\r\n",
157 ChrPtr(WCC->serv_info->serv_software));
159 hprintf("Content-type: text/html; charset=utf-8\r\n"
160 "Server: %s / [n/a]\n"
161 "Connection: close\r\n",
166 char httpTomorow[128];
168 http_datestring(httpTomorow, sizeof httpTomorow,
169 time(NULL) + 60 * 60 * 24 * 2);
171 hprintf("Pragma: public\r\n"
172 "Cache-Control: max-age=3600, must-revalidate\r\n"
173 "Last-modified: %s\r\n"
180 hprintf("Pragma: no-cache\r\n"
181 "Cache-Control: no-store\r\n"
186 if (cache < 2) stuff_to_cookie(unset_cookies);
191 if ( (WCC->logged_in) && (!unset_cookies) ) {
192 DoTemplate(HKEY("paging"), NULL, &NoCtx);
194 if (do_room_banner) {
195 tmplput_roombanner(NULL, NULL);
199 if (do_room_banner) {
200 wc_printf("<div id=\"content\">\n");
204 void output_custom_content_header(const char *ctype) {
205 hprintf("HTTP/1.1 200 OK\r\n");
206 hprintf("Content-type: %s; charset=utf-8\r\n",ctype);
207 hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
208 hprintf("Connection: close\r\n");
213 * Generic function to do an HTTP redirect. Easy and fun.
215 void http_redirect(const char *whichpage) {
216 hprintf("HTTP/1.1 302 Moved Temporarily\n");
217 hprintf("Location: %s\r\n", whichpage);
218 hprintf("URI: %s\r\n", whichpage);
219 hprintf("Content-type: text/html; charset=utf-8\r\n");
222 wc_printf("<html><body>");
223 wc_printf("Go <a href=\"%s\">here</A>.", whichpage);
224 wc_printf("</body></html>\n");
231 * Output a piece of content to the web browser using conformant HTTP and MIME semantics.
233 * If this function is called, it is expected that begin_burst() has already been called
234 * and some sort of content has been fed into the buffer. This function will transmit a
235 * bunch of headers to the client. end_burst() will add some headers of its own, and then
236 * transmit the buffered content to the client.
238 void http_transmit_thing(const char *content_type, int is_static)
240 syslog(LOG_DEBUG, "http_transmit_thing(%s)%s", content_type, ((is_static > 0) ? " (static)" : ""));
241 output_headers(0, 0, 0, 0, 0, is_static);
243 hprintf("Content-type: %s\r\n"
245 "Connection: close\r\n",
252 void http_transmit_headers(const char *content_type, int is_static, long is_chunked, int is_gzip)
255 syslog(LOG_DEBUG, "http_transmit_thing(%s)%s", content_type, ((is_static > 0) ? " (static)" : ""));
256 output_headers(0, 0, 0, 0, 0, is_static);
259 hprintf("Content-encoding: gzip\r\n");
261 if (WCC->Hdr->HaveRange)
262 hprintf("Accept-Ranges: bytes\r\n"
263 "Content-Range: bytes %ld-%ld/%ld\r\n",
264 WCC->Hdr->RangeStart,
266 WCC->Hdr->TotalBytes);
268 hprintf("Content-type: %s\r\n"
269 "Server: "PACKAGE_STRING"\r\n"
271 "Connection: close\r\n\r\n",
273 (is_chunked)?"Transfer-Encoding: chunked\r\n":"");
278 * Convenience functions to display a page containing only a string
280 * titlebarcolor color of the titlebar of the frame
281 * titlebarmsg text to display in the title bar
282 * messagetext body of the box
284 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext)
286 hprintf("HTTP/1.1 200 OK\n");
287 output_headers(1, 1, 1, 0, 0, 0);
288 wc_printf("<div id=\"room_banner_override\">\n");
289 wc_printf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
290 wc_printf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
291 wc_printf("</td></tr></table>\n");
292 wc_printf("</div>\n<div id=\"content\">\n");
293 escputs(messagetext);
294 wc_printf("<hr />\n");
300 * Display a blank page.
302 void blank_page(void) {
303 output_headers(1, 1, 0, 0, 0, 0);
309 * A template has been requested
311 void url_do_template(void) {
312 const StrBuf *MimeType;
313 const StrBuf *Tmpl = sbstr("template");
315 MimeType = DoTemplate(SKEY(Tmpl), NULL, &NoCtx);
316 http_transmit_thing(ChrPtr(MimeType), 0);
322 * convenience function to indicate success
324 void display_success(const char *successmessage)
326 convenience_page("007700", "OK", successmessage);
331 * Authorization required page (sends a 401, causing the browser to request login credentials)
333 void authorization_required(void)
336 const char *message = "";
338 hprintf("HTTP/1.1 401 Authorization Required\r\n");
340 "Server: %s / %s\r\n"
341 "Connection: close\r\n",
342 PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
344 hprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n", ChrPtr(WC->serv_info->serv_humannode));
346 /* if this is a false cookie authentication, remove it to avoid endless loops. */
347 if (StrLength(WCC->Hdr->HR.RawCookie) > 0)
350 hprintf("Content-Type: text/html\r\n");
353 wc_printf(_("Authorization Required"));
354 wc_printf("</h1>\r\n");
356 if (WCC->ImportantMsg != NULL) {
357 message = ChrPtr(WCC->ImportantMsg);
361 _("The resource you requested requires a valid username and password. "
362 "You could not be logged in: %s\n"),
370 * Convenience functions to wrap around asynchronous ajax responses
372 void begin_ajax_response(void) {
375 FlushStrBuf(WCC->HBuf);
376 output_headers(0, 0, 0, 0, 0, 0);
378 hprintf("Content-type: text/html; charset=UTF-8\r\n"
380 "Connection: close\r\n"
388 * print ajax response footer
390 void end_ajax_response(void) {
396 * Wraps a Citadel server command in an AJAX transaction.
398 void ajax_servcmd(void)
406 syslog(LOG_DEBUG, "ajax_servcmd() g_cmd=\"%s\"", bstr("g_cmd") );
407 begin_ajax_response();
409 serv_puts(bstr("g_cmd"));
410 StrBuf_ServGetln(Buf);
411 StrBufAppendBuf(WCC->WBuf, Buf, 0);
412 StrBufAppendBufPlain(WCC->WBuf, HKEY("\n"), 0);
414 switch (GetServerStatus(Buf, NULL)) {
416 serv_puts("\n\n000");
417 if ( (StrLength(Buf)==3) &&
418 !strcmp(ChrPtr(Buf), "000")) {
419 StrBufAppendBufPlain(WCC->WBuf, HKEY("\000"), 0);
424 if (StrBuf_ServGetln(Buf) < 0)
426 if ( (StrLength(Buf)==3) &&
427 !strcmp(ChrPtr(Buf), "000")) {
430 StrBufAppendBuf(WCC->WBuf, Buf, 0);
431 StrBufAppendBufPlain(WCC->WBuf, HKEY("\n"), 0);
435 text_to_server(bstr("g_input"));
439 len = atol(&ChrPtr(Buf)[4]);
440 StrBuf_ServGetBLOBBuffered(Buf, len);
443 len = atol(&ChrPtr(Buf)[4]);
445 memset(junk, 0, len);
446 serv_write(junk, len);
453 * This is kind of an ugly hack, but this is the only place it can go.
454 * If the command was GEXP, then the instant messenger window must be
455 * running, so reset the "last_pager_check" watchdog timer so
456 * that page_popup() doesn't try to open it a second time. TODO: page_popup isn't with us anymore.
458 if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
459 WCC->last_pager_check = time(NULL);
466 * Helper function for the asynchronous check to see if we need
467 * to open the instant messenger window.
469 void seconds_since_last_gexp(void)
473 if ( (time(NULL) - WC->last_pager_check) < 30) {
479 serv_getln(buf, sizeof buf);
491 * Save a URL destination so we can go to it later
493 void push_destination(void) {
497 wc_printf("no session");
501 FreeStrBuf(&WCC->PushedDestination);
502 WCC->PushedDestination = NewStrBufDup(SBSTR("url"));
503 syslog(LOG_DEBUG, "Push: %s", ChrPtr(WCC->PushedDestination));
509 * Go to the URL saved by push_destination()
511 void pop_destination(void) {
515 * If we are in the middle of a new user signup, the server may request that
516 * we first pass through a registration screen.
518 if ((WCC) && (WCC->need_regi)) {
519 if ((WCC->PushedDestination != NULL) && (StrLength(WCC->PushedDestination) > 0)) {
520 /* Registering will take us to the My Citadel Config room, so save our place */
521 StrBufAppendBufPlain(WCC->PushedDestination, HKEY("?go="), 0);
522 StrBufUrlescAppend(WCC->PushedDestination, WCC->CurRoom.name, NULL);
530 * Do something reasonable if we somehow ended up requesting a pop without
531 * having first done a push.
533 if ( (!WCC) || (WCC->PushedDestination == NULL) || (StrLength(WCC->PushedDestination) == 0) ) {
539 * All righty then! We have a destination saved, so go there now.
541 syslog(LOG_DEBUG, "Pop: %s", ChrPtr(WCC->PushedDestination));
542 http_redirect(ChrPtr(WCC->PushedDestination));
547 int ReadPostData(void)
550 int urlencoded_post = 0;
552 StrBuf *content = NULL;
554 urlencoded_post = (strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "application/x-www-form-urlencoded", 33) == 0) ;
556 content = NewStrBufPlain(NULL, WCC->Hdr->HR.ContentLength + 256);
558 if (!urlencoded_post)
560 StrBufPrintf(content,
562 "Content-length: %ld\n\n",
563 ChrPtr(WCC->Hdr->HR.ContentType),
564 WCC->Hdr->HR.ContentLength);
567 /** Read the entire input data at once. */
568 rc = client_read_to(WCC->Hdr, content,
569 WCC->Hdr->HR.ContentLength,
575 if (urlencoded_post) {
576 ParseURLParams(content);
577 } else if (!strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "multipart", 9)) {
582 len = StrLength(content);
583 Buf = SmashStrBuf(&content);
585 mime_parser(Buf, BufEnd, *upload_handler, NULL, NULL, NULL, 0);
587 } else if (WCC->Hdr->HR.ContentLength > 0) {
588 WCC->upload = content;
589 WCC->upload_length = StrLength(WCC->upload);
592 FreeStrBuf(&content);
597 int Conditional_REST_DEPTH(StrBuf *Target, WCTemplputParams *TP)
603 if (WCC->Hdr->HR.Handler != NULL)
605 Depth = GetTemplateTokenNumber(Target, TP, 2, 0);
606 IsDepth = GetCount(WCC->Directory) + offset;
608 // LogTemplateError(Target, "bla", 1, TP, "REST_DEPTH: %ld : %ld\n", Depth, IsDepth);
611 return IsDepth > Depth;
614 return Depth == IsDepth;
620 * Entry point for WebCit transaction
622 void session_loop(void)
628 * We stuff these with the values coming from the client cookies,
629 * so we can use them to reconnect a timed out session if we have to.
634 WCC->upload_length = 0;
636 WCC->Hdr->nWildfireHeaders = 0;
638 if (WCC->Hdr->HR.ContentLength > 0) {
639 if (ReadPostData() < 0) {
645 WCC->trailing_javascript = NewStrBuf();
647 /* Convert base64-encoded URL's back to plain text */
648 if (!strncmp(ChrPtr(WCC->Hdr->this_page), "/B64", 4)) {
649 StrBufCutLeft(WCC->Hdr->this_page, 4);
650 StrBufDecodeBase64(WCC->Hdr->this_page);
651 http_redirect(ChrPtr(WCC->Hdr->this_page));
652 goto SKIP_ALL_THIS_CRAP;
655 /* If there are variables in the URL, we must grab them now */
656 if (WCC->Hdr->PlainArgs != NULL)
657 ParseURLParams(WCC->Hdr->PlainArgs);
659 /* If the client sent a nonce that is incorrect, kill the request. */
660 if (havebstr("nonce")) {
661 syslog(LOG_DEBUG, "Comparing supplied nonce %s to session nonce %d",
662 bstr("nonce"), WCC->nonce
664 if (ibstr("nonce") != WCC->nonce) {
665 syslog(LOG_INFO, "Ignoring request with mismatched nonce.");
666 hprintf("HTTP/1.1 404 Security check failed\r\n");
667 hprintf("Content-Type: text/plain\r\n");
669 wc_printf("Security check failed.\r\n");
671 goto SKIP_ALL_THIS_CRAP;
676 * If we're not connected to a Citadel server, try to hook up the connection now.
678 if (!WCC->connected) {
679 if (GetConnected()) {
680 hprintf("HTTP/1.1 503 Service Unavailable\r\n");
681 hprintf("Content-Type: text/html\r\n");
683 wc_printf("<html><head><title>503 Service Unavailable</title></head><body>\n");
684 wc_printf(_("This program was unable to connect or stay "
685 "connected to the Citadel server. Please report "
686 "this problem to your system administrator.")
689 wc_printf("<a href=\"http://www.citadel.org/doku.php/"
690 "faq:generalquestions:webcit_unable_to_connect\">%s</a>",
693 wc_printf("</body></html>\n");
695 goto SKIP_ALL_THIS_CRAP;
700 * If we're not logged in, but we have authentication data (either from
701 * a cookie or from http-auth), try logging in to Citadel using that.
703 if ( (!WCC->logged_in)
704 && (StrLength(WCC->Hdr->c_username) > 0)
705 && (StrLength(WCC->Hdr->c_password) > 0)
710 serv_printf("USER %s", ChrPtr(WCC->Hdr->c_username));
711 StrBuf_ServGetln(Buf);
712 if (GetServerStatus(Buf, &Status) == 3) {
713 serv_printf("PASS %s", ChrPtr(WCC->Hdr->c_password));
714 StrBuf_ServGetln(Buf);
715 if (GetServerStatus(Buf, NULL) == 2) {
716 become_logged_in(WCC->Hdr->c_username,
717 WCC->Hdr->c_password, Buf);
719 /* Should only display when password is wrong */
720 WCC->ImportantMsg = NewStrBufPlain(ChrPtr(Buf) + 4, StrLength(Buf) - 4);
721 authorization_required();
723 goto SKIP_ALL_THIS_CRAP;
726 else if (Status == 541) {
731 xhttp = (WCC->Hdr->HR.eReqType != eGET) &&
732 (WCC->Hdr->HR.eReqType != ePOST) &&
733 (WCC->Hdr->HR.eReqType != eHEAD);
736 * If a 'go' (or 'gotofirst') parameter has been specified, attempt to goto that room
737 * prior to doing anything else.
739 if (havebstr("go")) {
741 syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("go"));
742 ret = gotoroom(sbstr("go")); /* do quietly to avoid session output! */
743 if ((ret/100) != 2) {
744 syslog(LOG_DEBUG, "Unable to change to [%s]; Reason: %d", bstr("go"), ret);
747 else if (havebstr("gotofirst")) {
749 syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("gotofirst"));
750 ret = gotoroom(sbstr("gotofirst")); /* do quietly to avoid session output! */
751 if ((ret/100) != 2) {
752 syslog(LOG_INFO, "Unable to change to [%s]; Reason: %d", bstr("gotofirst"), ret);
757 * If we aren't in any room yet, but we have cookie data telling us where we're
758 * supposed to be, and 'go' was not specified, then go there.
760 else if ( (StrLength(WCC->CurRoom.name) == 0) && ( (StrLength(WCC->Hdr->c_roomname) > 0) )) {
763 syslog(LOG_DEBUG, "We are in '%s' but cookie indicates '%s', going there...",
764 ChrPtr(WCC->CurRoom.name),
765 ChrPtr(WCC->Hdr->c_roomname)
767 ret = gotoroom(WCC->Hdr->c_roomname); /* do quietly to avoid session output! */
768 if ((ret/100) != 2) {
769 syslog(LOG_DEBUG, "COOKIEGOTO: Unable to change to [%s]; Reason: %d",
770 ChrPtr(WCC->Hdr->c_roomname), ret);
774 if (WCC->Hdr->HR.Handler != NULL) {
775 if ( (!WCC->logged_in)
776 && ((WCC->Hdr->HR.Handler->Flags & ANONYMOUS) == 0)
777 && (WCC->serv_info != NULL)
778 && (WCC->serv_info->serv_supports_guest == 0)
783 if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0) {
784 begin_ajax_response();
786 WCC->Hdr->HR.Handler->F();
787 if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0) {
792 /* When all else fails, display the default landing page or a main menu. */
795 * ordinary browser users get a nice login screen, DAV etc. requsets
796 * are given a 401 so they can handle it appropriate.
798 if (!WCC->logged_in) {
800 authorization_required();
803 display_default_landing_page();
807 * Toplevel dav requests? or just a flat browser request?
827 * Display the appropriate landing page for this site.
829 void display_default_landing_page(void) {
832 if (WCC && WCC->serv_info && WCC->serv_info->serv_supports_guest) {
835 if (havebstr("go")) {
836 syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("go"));
837 smart_goto(sbstr("go"));
839 else if (default_landing_page) {
840 http_redirect(default_landing_page);
843 StrBuf *teh_lobby = NewStrBufPlain(HKEY("_BASEROOM_"));
844 smart_goto(teh_lobby);
845 FreeStrBuf(&teh_lobby);
855 * Replacement for sleep() that uses select() in order to avoid SIGALRM
857 void sleeeeeeeeeep(int seconds)
863 select(0, NULL, NULL, NULL, &tv);
866 int Conditional_IS_HTTPS(StrBuf *Target, WCTemplputParams *TP)
868 return is_https != 0;
871 void AppendImportantMessage(const char *pch, long len)
875 if (StrLength(WCC->ImportantMsg) > 0) {
876 StrBufAppendBufPlain(WCC->ImportantMsg, HKEY("\n"), 0);
879 StrBufAppendBufPlain(WCC->ImportantMsg, pch, len, 0);
882 int ConditionalImportantMesage(StrBuf *Target, WCTemplputParams *TP)
886 return (StrLength(WCC->ImportantMsg) > 0);
891 void tmplput_importantmessage(StrBuf *Target, WCTemplputParams *TP)
896 if (StrLength(WCC->ImportantMsg) > 0) {
897 StrEscAppend(Target, WCC->ImportantMsg, NULL, 0, 0);
902 void tmplput_trailing_javascript(StrBuf *Target, WCTemplputParams *TP)
907 StrBufAppendTemplate(Target, TP, WCC->trailing_javascript, 0);
910 void tmplput_csslocal(StrBuf *Target, WCTemplputParams *TP)
912 StrBufAppendBuf(Target,
916 void tmplput_packagestring(StrBuf *Target, WCTemplputParams *TP)
918 StrBufAppendBufPlain(Target,
919 HKEY(PACKAGE_STRING), 0);
922 extern char static_local_dir[PATH_MAX];
930 WebcitAddUrlHandler(HKEY("blank"), "", 0, blank_page, ANONYMOUS|COOKIEUNNEEDED|ISSTATIC);
931 WebcitAddUrlHandler(HKEY("landing"), "", 0, display_default_landing_page, ANONYMOUS|COOKIEUNNEEDED);
932 WebcitAddUrlHandler(HKEY("do_template"), "", 0, url_do_template, ANONYMOUS);
933 WebcitAddUrlHandler(HKEY("sslg"), "", 0, seconds_since_last_gexp, AJAX|LOGCHATTY);
934 WebcitAddUrlHandler(HKEY("ajax_servcmd"), "", 0, ajax_servcmd, 0);
935 WebcitAddUrlHandler(HKEY("webcit"), "", 0, blank_page, URLNAMESPACE);
936 WebcitAddUrlHandler(HKEY("push"), "", 0, push_destination, AJAX);
937 WebcitAddUrlHandler(HKEY("pop"), "", 0, pop_destination, 0);
939 WebcitAddUrlHandler(HKEY("401"), "", 0, authorization_required, ANONYMOUS|COOKIEUNNEEDED);
940 RegisterConditional("COND:IMPMSG", 0, ConditionalImportantMesage, CTX_NONE);
941 RegisterConditional("COND:REST:DEPTH", 0, Conditional_REST_DEPTH, CTX_NONE);
942 RegisterConditional("COND:IS_HTTPS", 0, Conditional_IS_HTTPS, CTX_NONE);
944 RegisterNamespace("CSSLOCAL", 0, 0, tmplput_csslocal, NULL, CTX_NONE);
945 RegisterNamespace("IMPORTANTMESSAGE", 0, 0, tmplput_importantmessage, NULL, CTX_NONE);
946 RegisterNamespace("TRAILING_JAVASCRIPT", 0, 0, tmplput_trailing_javascript, NULL, CTX_NONE);
947 RegisterNamespace("URL:DISPLAYNAME", 0, 1, tmplput_HANDLER_DISPLAYNAME, NULL, CTX_NONE);
948 RegisterNamespace("PACKAGESTRING", 0, 1, tmplput_packagestring, NULL, CTX_NONE);
951 snprintf(dir, SIZ, "%s/webcit.css", static_local_dir);
952 if (!access(dir, R_OK)) {
953 syslog(LOG_INFO, "Using local Stylesheet [%s]", dir);
954 csslocal = NewStrBufPlain(HKEY("<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\" />"));
957 syslog(LOG_INFO, "No Site-local Stylesheet [%s] installed.", dir);
962 ServerStartModule_WEBCIT
965 HandlerHash = NewHash(1, NULL);
970 ServerShutdownModule_WEBCIT
973 FreeStrBuf(&csslocal);
974 DeleteHash(&HandlerHash);
980 SessionNewModule_WEBCIT
983 sess->ImportantMsg = NewStrBuf();
984 sess->WBuf = NewStrBufPlain(NULL, SIZ * 4);
985 sess->HBuf = NewStrBufPlain(NULL, SIZ / 4);
989 SessionDetachModule_WEBCIT
992 DeleteHash(&sess->Directory);
994 FreeStrBuf(&sess->upload);
995 sess->upload_length = 0;
997 FreeStrBuf(&sess->trailing_javascript);
999 if (StrLength(sess->WBuf) > SIZ * 30) /* Bigger than 120K? release. */
1001 FreeStrBuf(&sess->WBuf);
1002 sess->WBuf = NewStrBuf();
1005 FlushStrBuf(sess->WBuf);
1006 FlushStrBuf(sess->HBuf);
1007 if (StrLength(sess->ImportantMsg) > 0) {
1008 FlushStrBuf(sess->ImportantMsg);
1014 SessionDestroyModule_WEBCIT
1017 FreeStrBuf(&sess->WBuf);
1018 FreeStrBuf(&sess->HBuf);
1019 FreeStrBuf(&sess->ImportantMsg);
1020 FreeStrBuf(&sess->PushedDestination);