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) 1996-2018 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 */
145 hprintf("HTTP/2.2 500 Internal Server Error");
146 else if (WCC->Hdr->HaveRange > 1)
147 hprintf("HTTP/1.1 206 Partial Content\r\n");
149 hprintf("HTTP/1.1 200 OK\r\n");
151 http_datestring(httpnow, sizeof httpnow, time(NULL));
153 if (do_httpheaders) {
154 if (WCC->serv_info != NULL)
155 hprintf("Content-type: text/html; charset=utf-8\r\n"
157 "Connection: close\r\n",
159 ChrPtr(WCC->serv_info->serv_software));
161 hprintf("Content-type: text/html; charset=utf-8\r\n"
162 "Server: %s / [n/a]\n"
163 "Connection: close\r\n",
168 char httpTomorow[128];
170 http_datestring(httpTomorow, sizeof httpTomorow,
171 time(NULL) + 60 * 60 * 24 * 2);
173 hprintf("Pragma: public\r\n"
174 "Cache-Control: max-age=3600, must-revalidate\r\n"
175 "Last-modified: %s\r\n"
182 hprintf("Pragma: no-cache\r\n"
183 "Cache-Control: no-store\r\n"
188 if (cache < 2) stuff_to_cookie(unset_cookies);
193 if ( (WCC->logged_in) && (!unset_cookies) ) {
194 DoTemplate(HKEY("paging"), NULL, &NoCtx);
196 if (do_room_banner) {
197 tmplput_roombanner(NULL, NULL);
201 if (do_room_banner) {
202 wc_printf("<div id=\"content\">\n");
206 void output_custom_content_header(const char *ctype) {
207 hprintf("HTTP/1.1 200 OK\r\n");
208 hprintf("Content-type: %s; charset=utf-8\r\n",ctype);
209 hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
210 hprintf("Connection: close\r\n");
215 * Generic function to do an HTTP redirect. Easy and fun.
217 void http_redirect(const char *whichpage) {
218 hprintf("HTTP/1.1 302 Moved Temporarily\n");
219 hprintf("Location: %s\r\n", whichpage);
220 hprintf("URI: %s\r\n", whichpage);
221 hprintf("Content-type: text/html; charset=utf-8\r\n");
224 wc_printf("<html><body>");
225 wc_printf("Go <a href=\"%s\">here</A>.", whichpage);
226 wc_printf("</body></html>\n");
233 * Output a piece of content to the web browser using conformant HTTP and MIME semantics.
235 * If this function is called, it is expected that begin_burst() has already been called
236 * and some sort of content has been fed into the buffer. This function will transmit a
237 * bunch of headers to the client. end_burst() will add some headers of its own, and then
238 * transmit the buffered content to the client.
240 void http_transmit_thing(const char *content_type, int is_static)
243 syslog(LOG_DEBUG, "http_transmit_thing(%s)%s", content_type, ((is_static > 0) ? " (static)" : ""));
244 output_headers(0, 0, 0, 0, 0, is_static);
246 hprintf("Content-type: %s\r\n"
248 "Connection: close\r\n",
255 void http_transmit_headers(const char *content_type, int is_static, long is_chunked, int is_gzip)
259 syslog(LOG_DEBUG, "http_transmit_thing(%s)%s", content_type, ((is_static > 0) ? " (static)" : ""));
260 output_headers(0, 0, 0, 0, 0, is_static);
263 hprintf("Content-encoding: gzip\r\n");
265 if (WCC->Hdr->HaveRange)
266 hprintf("Accept-Ranges: bytes\r\n"
267 "Content-Range: bytes %ld-%ld/%ld\r\n",
268 WCC->Hdr->RangeStart,
270 WCC->Hdr->TotalBytes);
272 hprintf("Content-type: %s\r\n"
273 "Server: "PACKAGE_STRING"\r\n"
275 "Connection: close\r\n\r\n",
277 (is_chunked)?"Transfer-Encoding: chunked\r\n":"");
282 * Convenience functions to display a page containing only a string
284 * titlebarcolor color of the titlebar of the frame
285 * titlebarmsg text to display in the title bar
286 * messagetext body of the box
288 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext)
290 hprintf("HTTP/1.1 200 OK\n");
291 output_headers(1, 1, 1, 0, 0, 0);
292 wc_printf("<div id=\"room_banner_override\">\n");
293 wc_printf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
294 wc_printf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
295 wc_printf("</td></tr></table>\n");
296 wc_printf("</div>\n<div id=\"content\">\n");
297 escputs(messagetext);
298 wc_printf("<hr />\n");
304 * Display a blank page.
306 void blank_page(void) {
307 output_headers(1, 1, 0, 0, 0, 0);
313 * A template has been requested
315 void url_do_template(void) {
316 const StrBuf *MimeType;
317 const StrBuf *Tmpl = sbstr("template");
319 MimeType = DoTemplate(SKEY(Tmpl), NULL, &NoCtx);
320 http_transmit_thing(ChrPtr(MimeType), 0);
326 * convenience function to indicate success
328 void display_success(const char *successmessage)
330 convenience_page("007700", "OK", successmessage);
335 * Authorization required page (sends a 401, causing the browser to request login credentials)
337 void authorization_required(void)
340 const char *message = "";
342 hprintf("HTTP/1.1 401 Authorization Required\r\n");
344 "Server: %s / %s\r\n"
345 "Connection: close\r\n",
346 PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
348 hprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n", ChrPtr(WC->serv_info->serv_humannode));
350 /* if this is a false cookie authentication, remove it to avoid endless loops. */
351 if (StrLength(WCC->Hdr->HR.RawCookie) > 0)
354 hprintf("Content-Type: text/html\r\n");
357 wc_printf(_("Authorization Required"));
358 wc_printf("</h1>\r\n");
360 if (WCC->ImportantMsg != NULL) {
361 message = ChrPtr(WCC->ImportantMsg);
365 _("The resource you requested requires a valid username and password. "
366 "You could not be logged in: %s\n"),
374 * Convenience functions to wrap around asynchronous ajax responses
376 void begin_ajax_response(void) {
379 FlushStrBuf(WCC->HBuf);
380 output_headers(0, 0, 0, 0, 0, 0);
382 hprintf("Content-type: text/html; charset=UTF-8\r\n"
384 "Connection: close\r\n"
392 * print ajax response footer
394 void end_ajax_response(void) {
400 * Wraps a Citadel server command in an AJAX transaction.
402 void ajax_servcmd(void)
411 syslog(LOG_DEBUG, "ajax_servcmd() g_cmd=\"%s\"", bstr("g_cmd") );
412 begin_ajax_response();
414 serv_puts(bstr("g_cmd"));
415 StrBuf_ServGetln(Buf);
416 StrBufAppendBuf(WCC->WBuf, Buf, 0);
417 StrBufAppendBufPlain(WCC->WBuf, HKEY("\n"), 0);
419 switch (GetServerStatus(Buf, NULL)) {
421 serv_puts("\n\n000");
422 if ( (StrLength(Buf)==3) &&
423 !strcmp(ChrPtr(Buf), "000")) {
424 StrBufAppendBufPlain(WCC->WBuf, HKEY("\000"), 0);
429 if (StrBuf_ServGetln(Buf) < 0)
431 if ( (StrLength(Buf)==3) &&
432 !strcmp(ChrPtr(Buf), "000")) {
435 StrBufAppendBuf(WCC->WBuf, Buf, 0);
436 StrBufAppendBufPlain(WCC->WBuf, HKEY("\n"), 0);
440 text_to_server(bstr("g_input"));
444 len = atol(&ChrPtr(Buf)[4]);
445 StrBuf_ServGetBLOBBuffered(Buf, len);
448 len = atol(&ChrPtr(Buf)[4]);
450 memset(junk, 0, len);
451 serv_write(junk, len);
458 * This is kind of an ugly hack, but this is the only place it can go.
459 * If the command was GEXP, then the instant messenger window must be
460 * running, so reset the "last_pager_check" watchdog timer so
461 * that page_popup() doesn't try to open it a second time. TODO: page_popup isn't with us anymore.
463 if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
464 WCC->last_pager_check = time(NULL);
471 * Helper function for the asynchronous check to see if we need
472 * to open the instant messenger window.
474 void seconds_since_last_gexp(void)
478 if ( (time(NULL) - WC->last_pager_check) < 30) {
484 serv_getln(buf, sizeof buf);
496 * Save a URL destination so we can go to it later
498 void push_destination(void) {
502 wc_printf("no session");
506 FreeStrBuf(&WCC->PushedDestination);
507 WCC->PushedDestination = NewStrBufDup(sbstr("url"));
509 syslog(LOG_DEBUG, "Push: %s", ChrPtr(WCC->PushedDestination));
515 * Go to the URL saved by push_destination()
517 void pop_destination(void) {
521 * If we are in the middle of a new user signup, the server may request that
522 * we first pass through a registration screen.
524 if ((WCC) && (WCC->need_regi)) {
525 if ((WCC->PushedDestination != NULL) && (StrLength(WCC->PushedDestination) > 0)) {
526 /* Registering will take us to the My Citadel Config room, so save our place */
527 StrBufAppendBufPlain(WCC->PushedDestination, HKEY("?go="), 0);
528 StrBufUrlescAppend(WCC->PushedDestination, WCC->CurRoom.name, NULL);
536 * Do something reasonable if we somehow ended up requesting a pop without
537 * having first done a push.
539 if ( (!WCC) || (WCC->PushedDestination == NULL) || (StrLength(WCC->PushedDestination) == 0) ) {
545 * All righty then! We have a destination saved, so go there now.
548 syslog(LOG_DEBUG, "Pop: %s", ChrPtr(WCC->PushedDestination));
549 http_redirect(ChrPtr(WCC->PushedDestination));
554 int ReadPostData(void)
557 int urlencoded_post = 0;
559 StrBuf *content = NULL;
561 urlencoded_post = (strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "application/x-www-form-urlencoded", 33) == 0) ;
563 content = NewStrBufPlain(NULL, WCC->Hdr->HR.ContentLength + 256);
565 if (!urlencoded_post)
567 StrBufPrintf(content,
569 "Content-length: %ld\n\n",
570 ChrPtr(WCC->Hdr->HR.ContentType),
571 WCC->Hdr->HR.ContentLength);
574 /** Read the entire input data at once. */
575 rc = client_read_to(WCC->Hdr, content,
576 WCC->Hdr->HR.ContentLength,
582 if (urlencoded_post) {
583 ParseURLParams(content);
584 } else if (!strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "multipart", 9)) {
589 len = StrLength(content);
590 Buf = SmashStrBuf(&content);
592 mime_parser(Buf, BufEnd, *upload_handler, NULL, NULL, NULL, 0);
594 } else if (WCC->Hdr->HR.ContentLength > 0) {
595 WCC->upload = content;
596 WCC->upload_length = StrLength(WCC->upload);
599 FreeStrBuf(&content);
604 int Conditional_REST_DEPTH(StrBuf *Target, WCTemplputParams *TP)
610 if (WCC->Hdr->HR.Handler != NULL)
612 Depth = GetTemplateTokenNumber(Target, TP, 2, 0);
613 IsDepth = GetCount(WCC->Directory) + offset;
615 // LogTemplateError(Target, "bla", 1, TP, "REST_DEPTH: %ld : %ld\n", Depth, IsDepth);
618 return IsDepth > Depth;
621 return Depth == IsDepth;
627 * Entry point for WebCit transaction
629 void session_loop(void)
635 * We stuff these with the values coming from the client cookies,
636 * so we can use them to reconnect a timed out session if we have to.
641 WCC->upload_length = 0;
643 WCC->Hdr->nWildfireHeaders = 0;
645 if (WCC->Hdr->HR.ContentLength > 0) {
646 if (ReadPostData() < 0) {
652 WCC->trailing_javascript = NewStrBuf();
654 /* Convert base64-encoded URL's back to plain text */
655 if (!strncmp(ChrPtr(WCC->Hdr->this_page), "/B64", 4)) {
656 StrBufCutLeft(WCC->Hdr->this_page, 4);
657 StrBufDecodeBase64(WCC->Hdr->this_page);
658 http_redirect(ChrPtr(WCC->Hdr->this_page));
659 goto SKIP_ALL_THIS_CRAP;
662 /* If there are variables in the URL, we must grab them now */
663 if (WCC->Hdr->PlainArgs != NULL)
664 ParseURLParams(WCC->Hdr->PlainArgs);
666 /* If the client sent a nonce that is incorrect, kill the request. */
667 if (havebstr("nonce")) {
669 syslog(LOG_DEBUG, "Comparing supplied nonce %s to session nonce %d",
670 bstr("nonce"), WCC->nonce
672 if (ibstr("nonce") != WCC->nonce) {
673 syslog(LOG_INFO, "Ignoring request with mismatched nonce.");
674 hprintf("HTTP/1.1 404 Security check failed\r\n");
675 hprintf("Content-Type: text/plain\r\n");
677 wc_printf("Security check failed.\r\n");
679 goto SKIP_ALL_THIS_CRAP;
684 * If we're not connected to a Citadel server, try to hook up the connection now.
686 if (!WCC->connected) {
687 if (GetConnected()) {
688 hprintf("HTTP/1.1 503 Service Unavailable\r\n");
689 hprintf("Content-Type: text/html\r\n");
691 wc_printf("<html><head><title>503 Service Unavailable</title></head><body>\n");
692 wc_printf(_("This program was unable to connect or stay "
693 "connected to the Citadel server. Please report "
694 "this problem to your system administrator.")
697 wc_printf("<a href=\"http://www.citadel.org/doku.php/"
698 "faq:generalquestions:webcit_unable_to_connect\">%s</a>",
701 wc_printf("</body></html>\n");
703 goto SKIP_ALL_THIS_CRAP;
708 * If we're not logged in, but we have authentication data (either from
709 * a cookie or from http-auth), try logging in to Citadel using that.
711 if ( (!WCC->logged_in)
712 && (StrLength(WCC->Hdr->c_username) > 0)
713 && (StrLength(WCC->Hdr->c_password) > 0)
718 serv_printf("USER %s", ChrPtr(WCC->Hdr->c_username));
719 StrBuf_ServGetln(Buf);
720 if (GetServerStatus(Buf, &Status) == 3) {
721 serv_printf("PASS %s", ChrPtr(WCC->Hdr->c_password));
722 StrBuf_ServGetln(Buf);
723 if (GetServerStatus(Buf, NULL) == 2) {
724 become_logged_in(WCC->Hdr->c_username,
725 WCC->Hdr->c_password, Buf);
727 /* Should only display when password is wrong */
728 WCC->ImportantMsg = NewStrBufPlain(ChrPtr(Buf) + 4, StrLength(Buf) - 4);
729 authorization_required();
731 goto SKIP_ALL_THIS_CRAP;
734 else if (Status == 541) {
739 xhttp = (WCC->Hdr->HR.eReqType != eGET) &&
740 (WCC->Hdr->HR.eReqType != ePOST) &&
741 (WCC->Hdr->HR.eReqType != eHEAD);
744 * If a 'go' (or 'gotofirst') parameter has been specified, attempt to goto that room
745 * prior to doing anything else.
747 if (havebstr("go")) {
750 syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("go"));
751 ret = gotoroom(sbstr("go")); /* do quietly to avoid session output! */
752 if ((ret/100) != 2) {
754 syslog(LOG_DEBUG, "Unable to change to [%s]; Reason: %d", bstr("go"), ret);
757 else if (havebstr("gotofirst")) {
760 syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("gotofirst"));
761 ret = gotoroom(sbstr("gotofirst")); /* do quietly to avoid session output! */
762 if ((ret/100) != 2) {
763 syslog(LOG_INFO, "Unable to change to [%s]; Reason: %d", bstr("gotofirst"), ret);
768 * If we aren't in any room yet, but we have cookie data telling us where we're
769 * supposed to be, and 'go' was not specified, then go there.
771 else if ( (StrLength(WCC->CurRoom.name) == 0) && ( (StrLength(WCC->Hdr->c_roomname) > 0) )) {
775 syslog(LOG_DEBUG, "We are in '%s' but cookie indicates '%s', going there...",
776 ChrPtr(WCC->CurRoom.name),
777 ChrPtr(WCC->Hdr->c_roomname)
779 ret = gotoroom(WCC->Hdr->c_roomname); /* do quietly to avoid session output! */
780 if ((ret/100) != 2) {
782 syslog(LOG_DEBUG, "COOKIEGOTO: Unable to change to [%s]; Reason: %d",
783 ChrPtr(WCC->Hdr->c_roomname), ret);
787 if (WCC->Hdr->HR.Handler != NULL) {
788 if ( (!WCC->logged_in)
789 && ((WCC->Hdr->HR.Handler->Flags & ANONYMOUS) == 0)
790 && (WCC->serv_info != NULL)
791 && (WCC->serv_info->serv_supports_guest == 0)
796 if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0) {
797 begin_ajax_response();
799 WCC->Hdr->HR.Handler->F();
800 if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0) {
805 /* When all else fails, display the default landing page or a main menu. */
808 * ordinary browser users get a nice login screen, DAV etc. requsets
809 * are given a 401 so they can handle it appropriate.
811 if (!WCC->logged_in) {
813 authorization_required();
816 display_default_landing_page();
820 * Toplevel dav requests? or just a flat browser request?
840 * Display the appropriate landing page for this site.
842 void display_default_landing_page(void) {
845 if (WCC && WCC->serv_info && WCC->serv_info->serv_supports_guest) {
848 if (havebstr("go")) {
850 syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("go"));
851 smart_goto(sbstr("go"));
853 else if (default_landing_page) {
854 http_redirect(default_landing_page);
857 StrBuf *teh_lobby = NewStrBufPlain(HKEY("_BASEROOM_"));
858 smart_goto(teh_lobby);
859 FreeStrBuf(&teh_lobby);
869 * Replacement for sleep() that uses select() in order to avoid SIGALRM
871 void sleeeeeeeeeep(int seconds)
877 select(0, NULL, NULL, NULL, &tv);
880 int Conditional_IS_HTTPS(StrBuf *Target, WCTemplputParams *TP)
882 return is_https != 0;
885 void AppendImportantMessage(const char *pch, long len)
889 if (StrLength(WCC->ImportantMsg) > 0) {
890 StrBufAppendBufPlain(WCC->ImportantMsg, HKEY("\n"), 0);
893 StrBufAppendBufPlain(WCC->ImportantMsg, pch, len, 0);
896 int ConditionalImportantMesage(StrBuf *Target, WCTemplputParams *TP)
900 return (StrLength(WCC->ImportantMsg) > 0);
905 void tmplput_importantmessage(StrBuf *Target, WCTemplputParams *TP)
910 if (StrLength(WCC->ImportantMsg) > 0) {
911 StrBufAppendTemplate(Target, TP, WCC->ImportantMsg, 0);
916 void tmplput_trailing_javascript(StrBuf *Target, WCTemplputParams *TP)
921 StrBufAppendTemplate(Target, TP, WCC->trailing_javascript, 0);
924 void tmplput_csslocal(StrBuf *Target, WCTemplputParams *TP)
926 StrBufAppendBuf(Target,
930 void tmplput_packagestring(StrBuf *Target, WCTemplputParams *TP)
932 StrBufAppendBufPlain(Target,
933 HKEY(PACKAGE_STRING), 0);
936 extern char static_local_dir[PATH_MAX];
944 WebcitAddUrlHandler(HKEY("blank"), "", 0, blank_page, ANONYMOUS|COOKIEUNNEEDED|ISSTATIC);
945 WebcitAddUrlHandler(HKEY("landing"), "", 0, display_default_landing_page, ANONYMOUS|COOKIEUNNEEDED);
946 WebcitAddUrlHandler(HKEY("do_template"), "", 0, url_do_template, ANONYMOUS);
947 WebcitAddUrlHandler(HKEY("sslg"), "", 0, seconds_since_last_gexp, AJAX|LOGCHATTY);
948 WebcitAddUrlHandler(HKEY("ajax_servcmd"), "", 0, ajax_servcmd, 0);
949 WebcitAddUrlHandler(HKEY("webcit"), "", 0, blank_page, URLNAMESPACE);
950 WebcitAddUrlHandler(HKEY("push"), "", 0, push_destination, AJAX);
951 WebcitAddUrlHandler(HKEY("pop"), "", 0, pop_destination, 0);
953 WebcitAddUrlHandler(HKEY("401"), "", 0, authorization_required, ANONYMOUS|COOKIEUNNEEDED);
954 RegisterConditional("COND:IMPMSG", 0, ConditionalImportantMesage, CTX_NONE);
955 RegisterConditional("COND:REST:DEPTH", 0, Conditional_REST_DEPTH, CTX_NONE);
956 RegisterConditional("COND:IS_HTTPS", 0, Conditional_IS_HTTPS, CTX_NONE);
958 RegisterNamespace("CSSLOCAL", 0, 0, tmplput_csslocal, NULL, CTX_NONE);
959 RegisterNamespace("IMPORTANTMESSAGE", 0, 1, tmplput_importantmessage, NULL, CTX_NONE);
960 RegisterNamespace("TRAILING_JAVASCRIPT", 0, 0, tmplput_trailing_javascript, NULL, CTX_NONE);
961 RegisterNamespace("URL:DISPLAYNAME", 0, 1, tmplput_HANDLER_DISPLAYNAME, NULL, CTX_NONE);
962 RegisterNamespace("PACKAGESTRING", 0, 1, tmplput_packagestring, NULL, CTX_NONE);
965 snprintf(dir, SIZ, "%s/webcit.css", static_local_dir);
966 if (!access(dir, R_OK)) {
967 syslog(LOG_INFO, "Using local Stylesheet [%s]", dir);
968 csslocal = NewStrBufPlain(HKEY("<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\" />"));
971 syslog(LOG_INFO, "No Site-local Stylesheet [%s] installed.", dir);
976 ServerStartModule_WEBCIT
979 HandlerHash = NewHash(1, NULL);
984 ServerShutdownModule_WEBCIT
987 FreeStrBuf(&csslocal);
988 DeleteHash(&HandlerHash);
994 SessionNewModule_WEBCIT
997 sess->ImportantMsg = NewStrBuf();
998 sess->WBuf = NewStrBufPlain(NULL, SIZ * 4);
999 sess->HBuf = NewStrBufPlain(NULL, SIZ / 4);
1003 SessionDetachModule_WEBCIT
1006 DeleteHash(&sess->Directory);
1008 FreeStrBuf(&sess->upload);
1009 sess->upload_length = 0;
1011 FreeStrBuf(&sess->trailing_javascript);
1013 if (StrLength(sess->WBuf) > SIZ * 30) /* Bigger than 120K? release. */
1015 FreeStrBuf(&sess->WBuf);
1016 sess->WBuf = NewStrBuf();
1019 FlushStrBuf(sess->WBuf);
1020 FlushStrBuf(sess->HBuf);
1021 if (StrLength(sess->ImportantMsg) > 0) {
1022 FlushStrBuf(sess->ImportantMsg);
1028 SessionDestroyModule_WEBCIT
1031 FreeStrBuf(&sess->WBuf);
1032 FreeStrBuf(&sess->HBuf);
1033 FreeStrBuf(&sess->ImportantMsg);
1034 FreeStrBuf(&sess->PushedDestination);