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) 1996-2011 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 as
10 * published by the Free Software Foundation; either version 3 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #define SHOW_ME_VAPPEND_PRINTF
28 #include "webserver.h"
30 StrBuf *csslocal = NULL;
31 HashList *HandlerHash = NULL;
33 void stuff_to_cookie(int unset_cookie);
34 int GetConnected(void);
37 void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt)
42 n = GetCount(WCC->Hdr->HTTPHeaders);
43 Put(WCC->Hdr->HTTPHeaders, IKEY(n), Data, DeleteIt);
46 void DeleteWebcitHandler(void *vHandler)
48 WebcitHandler *Handler = (WebcitHandler*) vHandler;
49 FreeStrBuf(&Handler->Name);
50 FreeStrBuf(&Handler->DisplayName);
54 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen,
55 const char *DisplayName, long dslen,
59 WebcitHandler *NewHandler;
60 NewHandler = (WebcitHandler*) malloc(sizeof(WebcitHandler));
62 NewHandler->Flags = Flags;
63 NewHandler->Name = NewStrBufPlain(UrlString, UrlSLen);
64 StrBufShrinkToFit(NewHandler->Name, 1);
65 NewHandler->DisplayName = NewStrBufPlain(DisplayName, dslen);
66 StrBufShrinkToFit(NewHandler->DisplayName, 1);
67 Put(HandlerHash, UrlString, UrlSLen, NewHandler, DeleteWebcitHandler);
70 void tmplput_HANDLER_DISPLAYNAME(StrBuf *Target, WCTemplputParams *TP)
73 if (WCC->Hdr->HR.Handler != NULL)
74 StrBufAppendTemplate(Target, TP, WCC->Hdr->HR.Handler->DisplayName, 0);
79 * web-printing funcion. uses our vsnprintf wrapper
81 #ifdef UBER_VERBOSE_DEBUGGING
82 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format,...)
84 void wc_printf(const char *format,...)
90 if (WCC->WBuf == NULL)
91 WCC->WBuf = NewStrBuf();
92 #ifdef UBER_VERBOSE_DEBUGGING
93 StrBufAppendPrintf(WCC->WBuf, "\n%s:%s:%d[", FILE, FUNCTION, LINE);
96 va_start(arg_ptr, format);
97 StrBufVAppendPrintf(WCC->WBuf, format, arg_ptr);
99 #ifdef UBER_VERBOSE_DEBUGGING
100 StrBufAppendPrintf(WCC->WBuf, "]\n");
105 * http-header-printing funcion. uses our vsnprintf wrapper
107 void hprintf(const char *format,...)
112 va_start(arg_ptr, format);
113 StrBufVAppendPrintf(WCC->HBuf, format, arg_ptr);
120 * wrap up an HTTP session, closes tags, etc.
122 * print_standard_html_footer should be set to:
123 * 0 - to transmit only,
124 * nonzero - to append the closing tags
126 void wDumpContent(int print_standard_html_footer)
128 if (print_standard_html_footer) {
129 wc_printf("</div> <!-- end of 'content' div -->\n");
130 do_template("trailing");
133 /* If we've been saving it all up for one big output burst,
134 * go ahead and do that now.
143 * Output HTTP headers and leading HTML for a page
145 void output_headers( int do_httpheaders, /* 1 = output HTTP headers */
146 int do_htmlhead, /* 1 = output HTML <head> section and <body> opener */
148 int do_room_banner, /* 0=no, 1=yes,
149 * 2 = I'm going to embed my own, so don't open the
150 * <div id="content"> either.
153 int unset_cookies, /* 1 = session is terminating, so unset the cookies */
154 int suppress_check, /* 1 = suppress check for instant messages */
155 int cache /* 1 = allow browser to cache this page */
160 hprintf("HTTP/1.1 200 OK\n");
161 http_datestring(httpnow, sizeof httpnow, time(NULL));
163 if (do_httpheaders) {
164 if (WCC->serv_info != NULL)
165 hprintf("Content-type: text/html; charset=utf-8\r\n"
167 "Connection: close\r\n",
169 ChrPtr(WCC->serv_info->serv_software));
171 hprintf("Content-type: text/html; charset=utf-8\r\n"
172 "Server: %s / [n/a]\n"
173 "Connection: close\r\n",
178 char httpTomorow[128];
180 http_datestring(httpTomorow, sizeof httpTomorow,
181 time(NULL) + 60 * 60 * 24 * 2);
183 hprintf("Pragma: public\r\n"
184 "Cache-Control: max-age=3600, must-revalidate\r\n"
185 "Last-modified: %s\r\n"
192 hprintf("Pragma: no-cache\r\n"
193 "Cache-Control: no-store\r\n"
198 if (cache < 2) stuff_to_cookie(unset_cookies);
204 /* check for ImportantMessages (these display in a div overlaying the main screen) */
205 if (!IsEmptyStr(WCC->ImportantMessage)) {
206 wc_printf("<div id=\"important_message\">\n"
207 "<span class=\"imsg\">");
208 StrEscAppend(WCC->WBuf, NULL, WCC->ImportantMessage, 0, 0);
209 wc_printf("</span><br>\n"
212 StrBufAppendBufPlain(WCC->trailing_javascript,
213 HKEY("setTimeout('hide_imsg_popup()', 5000); \n"),
216 WCC->ImportantMessage[0] = 0;
218 else if (StrLength(WCC->ImportantMsg) > 0) {
219 wc_printf("<div id=\"important_message\">\n"
220 "<span class=\"imsg\">");
221 StrEscAppend(WCC->WBuf, WCC->ImportantMsg, NULL, 0, 0);
222 wc_printf("</span><br>\n"
225 StrBufAppendBufPlain(WCC->trailing_javascript,
226 HKEY("setTimeout('hide_imsg_popup()', 5000); \n"),
229 FlushStrBuf(WCC->ImportantMsg);
231 if ( (WCC->logged_in) && (!unset_cookies) ) {
232 DoTemplate(HKEY("paging"), NULL, &NoCtx);
235 if (do_room_banner == 1) {
236 tmplput_roombanner(NULL, NULL);
240 if (do_room_banner == 1) {
241 wc_printf("<div id=\"content\">\n");
245 void output_custom_content_header(const char *ctype) {
246 hprintf("HTTP/1.1 200 OK\r\n");
247 hprintf("Content-type: %s; charset=utf-8\r\n",ctype);
248 hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
249 hprintf("Connection: close\r\n");
254 * Generic function to do an HTTP redirect. Easy and fun.
256 void http_redirect(const char *whichpage) {
257 hprintf("HTTP/1.1 302 Moved Temporarily\n");
258 hprintf("Location: %s\r\n", whichpage);
259 hprintf("URI: %s\r\n", whichpage);
260 hprintf("Content-type: text/html; charset=utf-8\r\n");
262 wc_printf("<html><body>");
263 wc_printf("Go <a href=\"%s\">here</A>.", whichpage);
264 wc_printf("</body></html>\n");
271 * Output a piece of content to the web browser using conformant HTTP and MIME semantics
273 void http_transmit_thing(const char *content_type, int is_static)
276 syslog(9, "http_transmit_thing(%s)%s\n", content_type, ((is_static > 0) ? " (static)" : ""));
277 output_headers(0, 0, 0, 0, 0, is_static);
279 hprintf("Content-type: %s\r\n"
281 "Connection: close\r\n",
290 * Convenience functions to display a page containing only a string
292 * titlebarcolor color of the titlebar of the frame
293 * titlebarmsg text to display in the title bar
294 * messagetext body of the box
296 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext)
298 hprintf("HTTP/1.1 200 OK\n");
299 output_headers(1, 1, 2, 0, 0, 0);
300 wc_printf("<div id=\"banner\">\n");
301 wc_printf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
302 wc_printf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
303 wc_printf("</td></tr></table>\n");
304 wc_printf("</div>\n<div id=\"content\">\n");
305 escputs(messagetext);
307 wc_printf("<hr />\n");
313 * Display a blank page.
315 void blank_page(void) {
316 output_headers(1, 1, 0, 0, 0, 0);
322 * A template has been requested
324 void url_do_template(void) {
325 const StrBuf *MimeType;
326 const StrBuf *Tmpl = sbstr("template");
328 MimeType = DoTemplate(SKEY(Tmpl), NULL, &NoCtx);
329 http_transmit_thing(ChrPtr(MimeType), 0);
335 * convenience function to indicate success
337 void display_success(char *successmessage)
339 convenience_page("007700", "OK", successmessage);
344 * Authorization required page (sends a 401, causing the browser to request login credentials)
346 void authorization_required(void)
349 const char *message = "";
351 hprintf("HTTP/1.1 401 Authorization Required\r\n");
353 "Server: %s / %s\r\n"
354 "Connection: close\r\n",
355 PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
357 hprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n", ChrPtr(WC->serv_info->serv_humannode));
358 hprintf("Content-Type: text/html\r\n");
361 wc_printf(_("Authorization Required"));
362 wc_printf("</h1>\r\n");
365 if (WCC->ImportantMsg != NULL)
366 message = ChrPtr(WCC->ImportantMsg);
367 else if (WCC->ImportantMessage != NULL)
368 message = WCC->ImportantMessage;
370 wc_printf(_("The resource you requested requires a valid username and password. "
371 "You could not be logged in: %s\n"), message);
373 end_webcit_session();
377 * Convenience functions to wrap around asynchronous ajax responses
379 void begin_ajax_response(void) {
382 FlushStrBuf(WCC->HBuf);
383 output_headers(0, 0, 0, 0, 0, 0);
385 hprintf("Content-type: text/html; charset=UTF-8\r\n"
387 "Connection: close\r\n"
394 * print ajax response footer
396 void end_ajax_response(void) {
403 * Wraps a Citadel server command in an AJAX transaction.
405 void ajax_servcmd(void)
413 syslog(LOG_DEBUG, "ajax_servcmd() g_cmd=\"%s\"\n", bstr("g_cmd") );
414 begin_ajax_response();
416 serv_puts(bstr("g_cmd"));
417 StrBuf_ServGetln(Buf);
418 StrBufAppendBuf(WCC->WBuf, Buf, 0);
419 StrBufAppendBufPlain(WCC->WBuf, HKEY("\n"), 0);
421 switch (GetServerStatus(Buf, NULL)) {
423 serv_puts("\n\n000");
424 if ( (StrLength(Buf)==3) &&
425 !strcmp(ChrPtr(Buf), "000")) {
426 StrBufAppendBufPlain(WCC->WBuf, HKEY("\000"), 0);
431 if (StrBuf_ServGetln(Buf) < 0)
433 if ( (StrLength(Buf)==3) &&
434 !strcmp(ChrPtr(Buf), "000")) {
437 StrBufAppendBuf(WCC->WBuf, Buf, 0);
438 StrBufAppendBufPlain(WCC->WBuf, HKEY("\n"), 0);
442 text_to_server(bstr("g_input"));
446 len = atol(&ChrPtr(Buf)[4]);
447 StrBuf_ServGetBLOBBuffered(Buf, len);
450 len = atol(&ChrPtr(Buf)[4]);
452 memset(junk, 0, len);
453 serv_write(junk, len);
460 * This is kind of an ugly hack, but this is the only place it can go.
461 * If the command was GEXP, then the instant messenger window must be
462 * running, so reset the "last_pager_check" watchdog timer so
463 * that page_popup() doesn't try to open it a second time. TODO: page_popup isn't with us anymore.
465 if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
466 WCC->last_pager_check = time(NULL);
473 * Helper function for the asynchronous check to see if we need
474 * to open the instant messenger window.
476 void seconds_since_last_gexp(void)
480 if ( (time(NULL) - WC->last_pager_check) < 30) {
486 serv_getln(buf, sizeof buf);
498 * Save a URL destination so we can go to it later
500 void push_destination(void) {
504 wc_printf("no session");
508 FreeStrBuf(&WCC->PushedDestination);
509 WCC->PushedDestination = NewStrBufDup(SBSTR("url"));
510 syslog(9, "Push: %s\n", 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.
547 syslog(9, "Pop: %s\n", ChrPtr(WCC->PushedDestination));
548 http_redirect(ChrPtr(WCC->PushedDestination));
553 int ReadPostData(void)
556 int urlencoded_post = 0;
558 StrBuf *content = NULL;
560 urlencoded_post = (strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "application/x-www-form-urlencoded", 33) == 0) ;
562 content = NewStrBufPlain(NULL, WCC->Hdr->HR.ContentLength + 256);
564 if (!urlencoded_post)
566 StrBufPrintf(content,
568 "Content-length: %ld\n\n",
569 ChrPtr(WCC->Hdr->HR.ContentType),
570 WCC->Hdr->HR.ContentLength);
573 /** Read the entire input data at once. */
574 rc = client_read_to(WCC->Hdr, content,
575 WCC->Hdr->HR.ContentLength,
581 if (urlencoded_post) {
582 ParseURLParams(content);
583 } else if (!strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "multipart", 9)) {
588 len = StrLength(content);
589 Buf = SmashStrBuf(&content);
591 mime_parser(Buf, BufEnd, *upload_handler, NULL, NULL, NULL, 0);
593 } else if (WCC->Hdr->HR.ContentLength > 0) {
594 WCC->upload = content;
595 WCC->upload_length = StrLength(WCC->upload);
598 FreeStrBuf(&content);
603 void ParseREST_URL(void)
606 StrBuf *pFloor = NULL;
609 const char *pCh = NULL;
613 syslog(1, "parsing rest URL: %s\n", ChrPtr(WCC->Hdr->HR.ReqLine));
615 WCC->Directory = NewHash(1, Flathash);
616 WCC->CurrentFloor = NULL;
619 while (StrBufExtract_NextToken(Buf, WCC->Hdr->HR.ReqLine, &pCh, '/') >= 0)
621 if (StrLength(Buf) != 0) {
622 /* ignore empty path segments */
623 StrBufUnescape(Buf, 1);
624 Put(WCC->Directory, IKEY(i), Buf, HFreeStrBuf);
635 Floors = GetFloorListHash(NULL, NULL);
639 if (GetHash(WCC->FloorsByName, SKEY(pFloor), &vFloor))
640 WCC->CurrentFloor = (Floor*) vFloor;
645 int Conditional_REST_DEPTH(StrBuf *Target, WCTemplputParams *TP)
651 if (WCC->Hdr->HR.Handler != NULL)
653 Depth = GetTemplateTokenNumber(Target, TP, 2, 0);
654 IsDepth = GetCount(WCC->Directory) + offset;
656 // LogTemplateError(Target, "bla", 1, TP, "REST_DEPTH: %ld : %ld\n", Depth, IsDepth);
659 return IsDepth > Depth;
662 return Depth == IsDepth;
668 * Entry point for WebCit transaction
670 void session_loop(void)
677 * We stuff these with the values coming from the client cookies,
678 * so we can use them to reconnect a timed out session if we have to.
683 WCC->upload_length = 0;
685 WCC->Hdr->nWildfireHeaders = 0;
686 if (WCC->Hdr->HR.Handler != NULL)
687 Flags = WCC->Hdr->HR.Handler->Flags; /* so we can temporarily add our own... */
689 if (WCC->Hdr->HR.ContentLength > 0) {
690 if (ReadPostData() < 0) {
696 WCC->trailing_javascript = NewStrBuf();
698 /* Convert base64-encoded URL's back to plain text */
699 if (!strncmp(ChrPtr(WCC->Hdr->this_page), "/B64", 4)) {
700 StrBufCutLeft(WCC->Hdr->this_page, 4);
701 StrBufDecodeBase64(WCC->Hdr->this_page);
702 http_redirect(ChrPtr(WCC->Hdr->this_page));
703 goto SKIP_ALL_THIS_CRAP;
706 /* If there are variables in the URL, we must grab them now */
707 if (WCC->Hdr->PlainArgs != NULL)
708 ParseURLParams(WCC->Hdr->PlainArgs);
710 /* If the client sent a nonce that is incorrect, kill the request. */
711 if (havebstr("nonce")) {
712 syslog(9, "Comparing supplied nonce %s to session nonce %d\n",
713 bstr("nonce"), WCC->nonce
715 if (ibstr("nonce") != WCC->nonce) {
716 syslog(9, "Ignoring request with mismatched nonce.\n");
717 hprintf("HTTP/1.1 404 Security check failed\r\n");
718 hprintf("Content-Type: text/plain\r\n");
720 wc_printf("Security check failed.\r\n");
722 goto SKIP_ALL_THIS_CRAP;
727 * If we're not connected to a Citadel server, try to hook up the connection now.
729 if (!WCC->connected) {
730 if (GetConnected()) {
731 hprintf("HTTP/1.1 503 Service Unavailable\r\n");
732 hprintf("Content-Type: text/html\r\n");
734 wc_printf("<html><head><title>503 Service Unavailable</title></head><body>\n");
735 wc_printf(_("This program was unable to connect or stay "
736 "connected to the Citadel server. Please report "
737 "this problem to your system administrator.")
740 wc_printf("<a href=\"http://www.citadel.org/doku.php/"
741 "faq:generalquestions:webcit_unable_to_connect\">%s</a>",
744 wc_printf("</body></html>\n");
746 goto SKIP_ALL_THIS_CRAP;
751 * If we're not logged in, but we have authentication data (either from
752 * a cookie or from http-auth), try logging in to Citadel using that.
754 if ((!WCC->logged_in)
755 && (StrLength(WCC->Hdr->c_username) > 0)
756 && (StrLength(WCC->Hdr->c_password) > 0))
761 serv_printf("USER %s", ChrPtr(WCC->Hdr->c_username));
762 StrBuf_ServGetln(Buf);
763 if (GetServerStatus(Buf, &Status) == 3) {
764 serv_printf("PASS %s", ChrPtr(WCC->Hdr->c_password));
765 StrBuf_ServGetln(Buf);
766 if (GetServerStatus(Buf, NULL) == 2) {
767 become_logged_in(WCC->Hdr->c_username,
768 WCC->Hdr->c_password, Buf);
770 /* Should only display when password is wrong */
771 WCC->ImportantMsg = NewStrBufPlain(ChrPtr(Buf) + 4, StrLength(Buf) - 4);
772 authorization_required();
774 goto SKIP_ALL_THIS_CRAP;
777 else if (Status == 541) {
782 xhttp = (WCC->Hdr->HR.eReqType != eGET) &&
783 (WCC->Hdr->HR.eReqType != ePOST) &&
784 (WCC->Hdr->HR.eReqType != eHEAD);
787 * If a 'go' (or 'gotofirst') parameter has been specified, attempt to goto that room
788 * prior to doing anything else.
790 if (havebstr("go")) {
792 syslog(9, "Explicit room selection: %s\n", bstr("go"));
793 ret = gotoroom(sbstr("go")); /* do quietly to avoid session output! */
794 if ((ret/100) != 2) {
795 syslog(1, "Unable to change to [%s]; Reason: %d\n", bstr("go"), ret);
798 else if (havebstr("gotofirst")) {
800 syslog(9, "Explicit room selection: %s\n", bstr("gotofirst"));
801 ret = gotoroom(sbstr("gotofirst")); /* do quietly to avoid session output! */
802 if ((ret/100) != 2) {
803 syslog(1, "Unable to change to [%s]; Reason: %d\n", bstr("gotofirst"), ret);
808 * If we aren't in any room yet, but we have cookie data telling us where we're
809 * supposed to be, and 'go' was not specified, then go there.
811 else if ( (StrLength(WCC->CurRoom.name) == 0) && ( (StrLength(WCC->Hdr->c_roomname) > 0) )) {
814 syslog(9, "We are in '%s' but cookie indicates '%s', going there...\n",
815 ChrPtr(WCC->CurRoom.name),
816 ChrPtr(WCC->Hdr->c_roomname)
818 ret = gotoroom(WCC->Hdr->c_roomname); /* do quietly to avoid session output! */
819 if ((ret/100) != 2) {
820 syslog(1, "COOKIEGOTO: Unable to change to [%s]; Reason: %d\n",
821 ChrPtr(WCC->Hdr->c_roomname), ret);
825 if (WCC->Hdr->HR.Handler != NULL) {
826 if ( (!WCC->logged_in)
827 && ((WCC->Hdr->HR.Handler->Flags & ANONYMOUS) == 0)
828 && (WCC->serv_info->serv_supports_guest == 0)
834 if ((WCC->Hdr->HR.Handler->Flags & PARSE_REST_URL) != 0)
837 if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0)
838 begin_ajax_response();
839 WCC->Hdr->HR.Handler->F();
840 if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0)
844 /* When all else fails, display the default landing page or a main menu. */
847 * ordinary browser users get a nice login screen, DAV etc. requsets
848 * are given a 401 so they can handle it appropriate.
850 if (!WCC->logged_in) {
852 authorization_required();
855 display_default_landing_page();
859 * Toplevel dav requests? or just a flat browser request?
877 * Display the appropriate landing page for this site.
879 void display_default_landing_page(void) {
882 if (WCC && WCC->serv_info && WCC->serv_info->serv_supports_guest) {
885 if (default_landing_page) {
886 http_redirect(default_landing_page);
889 StrBuf *teh_lobby = NewStrBufPlain(HKEY("_BASEROOM_"));
890 smart_goto(teh_lobby);
891 FreeStrBuf(&teh_lobby);
901 * Replacement for sleep() that uses select() in order to avoid SIGALRM
903 void sleeeeeeeeeep(int seconds)
909 select(0, NULL, NULL, NULL, &tv);
912 int Conditional_IS_HTTPS(StrBuf *Target, WCTemplputParams *TP)
914 return is_https != 0;
917 void AppendImportantMessage(const char *pch, long len)
921 if (StrLength(WCC->ImportantMsg) > 0) {
922 StrBufAppendBufPlain(WCC->ImportantMsg, HKEY("\n"), 0);
925 StrBufAppendBufPlain(WCC->ImportantMsg, pch, len, 0);
928 int ConditionalImportantMesage(StrBuf *Target, WCTemplputParams *TP)
932 return ((!IsEmptyStr(WCC->ImportantMessage)) ||
933 (StrLength(WCC->ImportantMsg) > 0));
938 void tmplput_importantmessage(StrBuf *Target, WCTemplputParams *TP)
943 if (!IsEmptyStr(WCC->ImportantMessage)) {
944 StrEscAppend(Target, NULL, WCC->ImportantMessage, 0, 0);
945 WCC->ImportantMessage[0] = '\0';
947 else if (StrLength(WCC->ImportantMsg) > 0) {
948 StrEscAppend(Target, WCC->ImportantMsg, NULL, 0, 0);
949 FlushStrBuf(WCC->ImportantMsg);
954 void tmplput_trailing_javascript(StrBuf *Target, WCTemplputParams *TP)
959 StrBufAppendTemplate(Target, TP, WCC->trailing_javascript, 0);
962 void tmplput_csslocal(StrBuf *Target, WCTemplputParams *TP)
964 StrBufAppendBuf(Target,
968 void tmplput_packagestring(StrBuf *Target, WCTemplputParams *TP)
970 StrBufAppendBufPlain(Target,
971 HKEY(PACKAGE_STRING), 0);
974 extern char static_local_dir[PATH_MAX];
982 WebcitAddUrlHandler(HKEY("blank"), "", 0, blank_page, ANONYMOUS|COOKIEUNNEEDED|ISSTATIC);
983 WebcitAddUrlHandler(HKEY("do_template"), "", 0, url_do_template, ANONYMOUS);
984 WebcitAddUrlHandler(HKEY("sslg"), "", 0, seconds_since_last_gexp, AJAX|LOGCHATTY);
985 WebcitAddUrlHandler(HKEY("ajax_servcmd"), "", 0, ajax_servcmd, 0);
986 WebcitAddUrlHandler(HKEY("webcit"), "", 0, blank_page, URLNAMESPACE);
987 WebcitAddUrlHandler(HKEY("push"), "", 0, push_destination, AJAX);
988 WebcitAddUrlHandler(HKEY("pop"), "", 0, pop_destination, 0);
990 WebcitAddUrlHandler(HKEY("401"), "", 0, authorization_required, ANONYMOUS|COOKIEUNNEEDED);
991 RegisterConditional(HKEY("COND:IMPMSG"), 0, ConditionalImportantMesage, CTX_NONE);
992 RegisterConditional(HKEY("COND:REST:DEPTH"), 0, Conditional_REST_DEPTH, CTX_NONE);
993 RegisterConditional(HKEY("COND:IS_HTTPS"), 0, Conditional_IS_HTTPS, CTX_NONE);
995 RegisterNamespace("CSSLOCAL", 0, 0, tmplput_csslocal, NULL, CTX_NONE);
996 RegisterNamespace("IMPORTANTMESSAGE", 0, 0, tmplput_importantmessage, NULL, CTX_NONE);
997 RegisterNamespace("TRAILING_JAVASCRIPT", 0, 0, tmplput_trailing_javascript, NULL, CTX_NONE);
998 RegisterNamespace("URL:DISPLAYNAME", 0, 1, tmplput_HANDLER_DISPLAYNAME, NULL, CTX_NONE);
999 RegisterNamespace("PACKAGESTRING", 0, 1, tmplput_packagestring, NULL, CTX_NONE);
1002 snprintf(dir, SIZ, "%s/webcit.css", static_local_dir);
1003 if (!access(dir, R_OK)) {
1004 syslog(9, "Using local Stylesheet [%s]\n", dir);
1005 csslocal = NewStrBufPlain(HKEY("<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\" />"));
1008 syslog(9, "No Site-local Stylesheet [%s] installed. \n", dir);
1013 ServerStartModule_WEBCIT
1016 HandlerHash = NewHash(1, NULL);
1021 ServerShutdownModule_WEBCIT
1024 FreeStrBuf(&csslocal);
1025 DeleteHash(&HandlerHash);
1031 SessionNewModule_WEBCIT
1034 sess->ImportantMsg = NewStrBuf();
1035 sess->WBuf = NewStrBufPlain(NULL, SIZ * 4);
1036 sess->HBuf = NewStrBufPlain(NULL, SIZ / 4);
1040 SessionDetachModule_WEBCIT
1043 DeleteHash(&sess->Directory);
1045 FreeStrBuf(&sess->upload);
1046 sess->upload_length = 0;
1048 FreeStrBuf(&sess->trailing_javascript);
1050 if (StrLength(sess->WBuf) > SIZ * 30) /* Bigger than 120K? release. */
1052 FreeStrBuf(&sess->WBuf);
1053 sess->WBuf = NewStrBuf();
1056 FlushStrBuf(sess->WBuf);
1057 FlushStrBuf(sess->HBuf);
1061 SessionDestroyModule_WEBCIT
1064 FreeStrBuf(&sess->WBuf);
1065 FreeStrBuf(&sess->HBuf);
1066 FreeStrBuf(&sess->ImportantMsg);
1067 FreeStrBuf(&sess->PushedDestination);