4 * This is the main transaction loop of the web service. It maintains a
5 * persistent session to the Citadel server, handling HTTP WebCit requests as
6 * they arrive and presenting a user interface.
9 #define SHOW_ME_VAPPEND_PRINTF
12 #include "webserver.h"
18 * String to unset the cookie.
19 * Any date "in the past" will work, so I chose my birthday, right down to
20 * the exact minute. :)
22 static char *unset = "; expires=28-May-1971 18:10:00 GMT";
24 HashList *HandlerHash = NULL;
26 void WebcitAddUrlHandler(const char * UrlString,
31 WebcitHandler *NewHandler;
33 if (HandlerHash == NULL)
34 HandlerHash = NewHash(1, NULL);
36 NewHandler = (WebcitHandler*) malloc(sizeof(WebcitHandler));
38 NewHandler->Flags = Flags;
39 Put(HandlerHash, UrlString, UrlSLen, NewHandler, NULL);
43 * remove escaped strings from i.e. the url string (like %20 for blanks)
45 long unescape_input(char *buf)
54 while ((buflen > 0) && (isspace(buf[buflen - 1]))){
64 /* don't let % chars through, rather truncate the input. */
74 sscanf(hex, "%02x", &b);
78 memmove(&buf[a + 1], &buf[a + 3], len);
88 void free_url(void *U)
90 urlcontent *u = (urlcontent*) U;
91 FreeStrBuf(&u->url_data);
96 * Extract variables from the URL.
98 void ParseURLParams(StrBuf *url)
100 const char *aptr, *bptr, *eptr, *up;
103 struct wcsession *WCC = WC;
105 if (WCC->urlstrings == NULL)
106 WCC->urlstrings = NewHash(1, NULL);
107 eptr = ChrPtr(url) + StrLength(url);
109 while ((up < eptr) && (!IsEmptyStr(up))) {
111 while ((aptr < eptr) && (*aptr != '\0') && (*aptr != '='))
118 while ((bptr < eptr) && (*bptr != '\0')
119 && (*bptr != '&') && (*bptr != '?') && (*bptr != ' ')) {
122 keylen = aptr - up - 1; /* -1 -> '=' */
123 if(keylen > sizeof(u->url_key)) {
124 lprintf(1, "URLkey to long! [%s]", up);
128 u = (urlcontent *) malloc(sizeof(urlcontent));
129 memcpy(u->url_key, up, keylen);
130 u->url_key[keylen] = '\0';
132 lprintf(1, "URLkey to long! [%s]", up);
137 Put(WCC->urlstrings, u->url_key, keylen, u, free_url);
139 u->url_data = NewStrBufPlain(aptr, len);
140 StrBufUnescape(u->url_data, 1);
144 #ifdef DEBUG_URLSTRINGS
145 lprintf(9, "%s = [%ld] %s\n",
147 StrLength(u->url_data),
148 ChrPtr(u->url_data));
154 * free urlstring memory
158 DeleteHash(&WC->urlstrings);
162 * Diagnostic function to display the contents of all variables
167 struct wcsession *WCC = WC;
174 Cursor = GetNewHashPos (WCC->urlstrings, 0);
175 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
177 wprintf("%38s = %s\n", u->url_key, ChrPtr(u->url_data));
182 * Return the value of a variable supplied to the current web page (from the url or a form)
185 const char *XBstr(const char *key, size_t keylen, size_t *len)
189 if ((WC->urlstrings != NULL) &&
190 GetHash(WC->urlstrings, key, keylen, &U)) {
191 *len = StrLength(((urlcontent *)U)->url_data);
192 return ChrPtr(((urlcontent *)U)->url_data);
200 const char *XBSTR(const char *key, size_t *len)
204 if ((WC->urlstrings != NULL) &&
205 GetHash(WC->urlstrings, key, strlen (key), &U)){
206 *len = StrLength(((urlcontent *)U)->url_data);
207 return ChrPtr(((urlcontent *)U)->url_data);
216 const char *BSTR(const char *key)
220 if ((WC->urlstrings != NULL) &&
221 GetHash(WC->urlstrings, key, strlen (key), &U))
222 return ChrPtr(((urlcontent *)U)->url_data);
227 const char *Bstr(const char *key, size_t keylen)
231 if ((WC->urlstrings != NULL) &&
232 GetHash(WC->urlstrings, key, keylen, &U))
233 return ChrPtr(((urlcontent *)U)->url_data);
238 const StrBuf *SBSTR(const char *key)
242 if ((WC->urlstrings != NULL) &&
243 GetHash(WC->urlstrings, key, strlen (key), &U))
244 return ((urlcontent *)U)->url_data;
249 const StrBuf *SBstr(const char *key, size_t keylen)
253 if ((WC->urlstrings != NULL) &&
254 GetHash(WC->urlstrings, key, keylen, &U))
255 return ((urlcontent *)U)->url_data;
260 long LBstr(const char *key, size_t keylen)
264 if ((WC->urlstrings != NULL) &&
265 GetHash(WC->urlstrings, key, keylen, &U))
266 return StrTol(((urlcontent *)U)->url_data);
271 long LBSTR(const char *key)
275 if ((WC->urlstrings != NULL) &&
276 GetHash(WC->urlstrings, key, strlen(key), &U))
277 return StrTol(((urlcontent *)U)->url_data);
282 int IBstr(const char *key, size_t keylen)
286 if ((WC->urlstrings != NULL) &&
287 GetHash(WC->urlstrings, key, keylen, &U))
288 return StrTol(((urlcontent *)U)->url_data);
293 int IBSTR(const char *key)
297 if ((WC->urlstrings != NULL) &&
298 GetHash(WC->urlstrings, key, strlen(key), &U))
299 return StrToi(((urlcontent *)U)->url_data);
304 int HaveBstr(const char *key, size_t keylen)
308 if ((WC->urlstrings != NULL) &&
309 GetHash(WC->urlstrings, key, keylen, &U))
310 return (StrLength(((urlcontent *)U)->url_data) != 0);
315 int HAVEBSTR(const char *key)
319 if ((WC->urlstrings != NULL) &&
320 GetHash(WC->urlstrings, key, strlen(key), &U))
321 return (StrLength(((urlcontent *)U)->url_data) != 0);
327 int YesBstr(const char *key, size_t keylen)
331 if ((WC->urlstrings != NULL) &&
332 GetHash(WC->urlstrings, key, keylen, &U))
333 return strcmp( ChrPtr(((urlcontent *)U)->url_data), "yes") == 0;
338 int YESBSTR(const char *key)
342 if ((WC->urlstrings != NULL) &&
343 GetHash(WC->urlstrings, key, strlen(key), &U))
344 return strcmp( ChrPtr(((urlcontent *)U)->url_data), "yes") == 0;
350 * web-printing funcion. uses our vsnprintf wrapper
352 void wprintf(const char *format,...)
354 struct wcsession *WCC = WC;
357 if (WCC->WBuf == NULL)
358 WCC->WBuf = NewStrBuf();
360 va_start(arg_ptr, format);
361 StrBufVAppendPrintf(WCC->WBuf, format, arg_ptr);
364 /// if (StrLength(WCC-WBuf) > 2048)
365 ///client_write(wbuf, strlen(wbuf));
369 * http-header-printing funcion. uses our vsnprintf wrapper
371 void hprintf(const char *format,...)
373 struct wcsession *WCC = WC;
376 va_start(arg_ptr, format);
377 StrBufVAppendPrintf(WCC->HBuf, format, arg_ptr);
380 /// if (StrLength(WCC-WBuf) > 2048)
381 ///client_write(wbuf, strlen(wbuf));
385 void tmplput_trailing_javascript(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *vContext, int ContextType)
387 struct wcsession *WCC = WC;
390 StrBufAppendTemplate(Target, nArgs, Tokens, vContext, ContextType,
391 WCC->trailing_javascript, 0);
395 * wrap up an HTTP session, closes tags, etc.
397 * print_standard_html_footer should be set to:
398 * 0 - to transmit only,
399 * nonzero - to append the closing tags
401 void wDumpContent(int print_standard_html_footer)
403 if (print_standard_html_footer) {
404 wprintf("</div> <!-- end of 'content' div -->\n");
405 do_template("trailing", NULL);
408 /* If we've been saving it all up for one big output burst,
409 * go ahead and do that now.
417 * Copy a string, escaping characters which have meaning in HTML.
419 * target target buffer
420 * strbuf source buffer
421 * nbsp If nonzero, spaces are converted to non-breaking spaces.
422 * nolinebreaks if set, linebreaks are removed from the string.
424 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks)
426 char *aptr, *bptr, *eptr;
431 eptr = target + tSize - 6; // our biggest unit to put in...
434 while ((bptr < eptr) && !IsEmptyStr(aptr) ){
436 memcpy(bptr, "<", 4);
439 else if (*aptr == '>') {
440 memcpy(bptr, ">", 4);
443 else if (*aptr == '&') {
444 memcpy(bptr, "&", 5);
447 else if (*aptr == '\"') {
448 memcpy(bptr, """, 6);
451 else if (*aptr == '\'') {
452 memcpy(bptr, "'", 5);
455 else if (*aptr == LB) {
459 else if (*aptr == RB) {
463 else if (*aptr == QU) {
467 else if ((*aptr == 32) && (nbsp == 1)) {
468 memcpy(bptr, " ", 6);
471 else if ((*aptr == '\n') && (nolinebreaks)) {
472 *bptr='\0'; /* nothing */
474 else if ((*aptr == '\r') && (nolinebreaks)) {
475 *bptr='\0'; /* nothing */
484 if ((bptr = eptr - 1 ) && !IsEmptyStr(aptr) )
486 return (bptr - target);
490 void escputs1(char *strbuf, int nbsp, int nolinebreaks)
492 StrEscAppend(WC->WBuf, NULL, strbuf, nbsp, nolinebreaks);
495 void StrEscputs1(const StrBuf *strbuf, int nbsp, int nolinebreaks)
497 StrEscAppend(WC->WBuf, strbuf, NULL, nbsp, nolinebreaks);
501 * static wrapper for ecsputs1
503 void escputs(char *strbuf)
505 escputs1(strbuf, 0, 0);
510 * static wrapper for ecsputs1
512 void StrEscPuts(const StrBuf *strbuf)
514 StrEscputs1(strbuf, 0, 0);
519 * urlescape buffer and print it to the client
521 void urlescputs(const char *strbuf)
523 StrBufUrlescAppend(WC->WBuf, NULL, strbuf);
527 * urlescape buffer and print it to the client
529 void UrlescPutStrBuf(const StrBuf *strbuf)
531 StrBufUrlescAppend(WC->WBuf, strbuf, NULL);
535 * urlescape buffer and print it as header
537 void hurlescputs(const char *strbuf)
539 StrBufUrlescAppend(WC->HBuf, NULL, strbuf);
544 * Copy a string, escaping characters for JavaScript strings.
546 void jsesc(char *target, size_t tlen, char *strbuf)
555 len = strlen (strbuf);
557 tend = target + tlen;
561 while (!IsEmptyStr(sptr) &&
567 else if (*sptr == '>')
569 else if (*sptr == '\'') {
575 else if (*sptr == '"') {
585 else if (*sptr == '&') {
602 * escape and print javascript
604 void jsescputs(char *strbuf)
608 jsesc(outbuf, SIZ, strbuf);
609 wprintf("%s", outbuf);
613 * print a string to the client after cleaning it with msgesc() and stresc()
615 void msgescputs1( char *strbuf)
619 if ((strbuf == NULL) || IsEmptyStr(strbuf))
621 OutBuf = NewStrBuf();
622 StrMsgEscAppend(OutBuf, NULL, strbuf);
623 StrEscAppend(WC->WBuf, OutBuf, NULL, 0, 0);
628 * print a string to the client after cleaning it with msgesc()
630 void msgescputs(char *strbuf) {
631 if ((strbuf != NULL) && !IsEmptyStr(strbuf))
632 StrMsgEscAppend(WC->WBuf, NULL, strbuf);
639 * Output HTTP headers and leading HTML for a page
641 void output_headers( int do_httpheaders, /* 1 = output HTTP headers */
642 int do_htmlhead, /* 1 = output HTML <head> section and <body> opener */
644 int do_room_banner, /* 0=no, 1=yes,
645 * 2 = I'm going to embed my own, so don't open the
646 * <div id="content"> either.
649 int unset_cookies, /* 1 = session is terminating, so unset the cookies */
650 int suppress_check, /* 1 = suppress check for instant messages */
651 int cache /* 1 = allow browser to cache this page */
656 hprintf("HTTP/1.1 200 OK\n");
657 http_datestring(httpnow, sizeof httpnow, time(NULL));
659 if (do_httpheaders) {
660 hprintf("Content-type: text/html; charset=utf-8\r\n"
662 "Connection: close\r\n",
663 PACKAGE_STRING, serv_info.serv_software
668 char httpTomorow[128];
670 http_datestring(httpTomorow, sizeof httpTomorow,
671 time(NULL) + 60 * 60 * 24 * 2);
673 hprintf("Pragma: public\r\n"
674 "Cache-Control: max-age=3600, must-revalidate\r\n"
675 "Last-modified: %s\r\n"
682 hprintf("Pragma: no-cache\r\n"
683 "Cache-Control: no-store\r\n"
688 stuff_to_cookie(cookie, 1024, WC->wc_session, WC->wc_username,
689 WC->wc_password, WC->wc_roomname);
692 hprintf("Set-cookie: webcit=%s; path=/\r\n", unset);
694 hprintf("Set-cookie: webcit=%s; path=/\r\n", cookie);
695 if (server_cookie != NULL) {
696 hprintf("%s\n", server_cookie);
702 do_template("head", NULL);
709 /* check for ImportantMessages (these display in a div overlaying the main screen) */
710 if (!IsEmptyStr(WC->ImportantMessage)) {
711 wprintf("<div id=\"important_message\">\n"
712 "<span class=\"imsg\">");
713 escputs(WC->ImportantMessage);
714 wprintf("</span><br />\n"
716 "<script type=\"text/javascript\">\n"
717 " setTimeout('hide_imsg_popup()', 5000); \n"
719 WC->ImportantMessage[0] = 0;
722 if ( (WC->logged_in) && (!unset_cookies) ) {
723 wprintf("<div id=\"iconbar\">");
724 do_selected_iconbar();
725 /** check for instant messages (these display in a new window) */
730 if (do_room_banner == 1) {
731 wprintf("<div id=\"banner\">\n");
732 embed_room_banner(NULL, navbar_default);
737 if (do_room_banner == 1) {
738 wprintf("<div id=\"content\">\n");
744 * Generic function to do an HTTP redirect. Easy and fun.
746 void http_redirect(const char *whichpage) {
747 hprintf("HTTP/1.1 302 Moved Temporarily\n");
748 hprintf("Location: %s\r\n", whichpage);
749 hprintf("URI: %s\r\n", whichpage);
750 hprintf("Content-type: text/html; charset=utf-8\r\n");
751 wprintf("<html><body>");
752 wprintf("Go <a href=\"%s\">here</A>.", whichpage);
753 wprintf("</body></html>\n");
760 * Output a piece of content to the web browser using conformant HTTP and MIME semantics
762 void http_transmit_thing(const char *content_type,
766 lprintf(9, "http_transmit_thing(%s)%s\n",
768 (is_static ? " (static)" : "")
771 output_headers(0, 0, 0, 0, 0, is_static);
773 hprintf("Content-type: %s\r\n"
775 "Connection: close\r\n",
783 * print menu box like used in the floor view or admin interface.
784 * This function takes pair of strings as va_args,
785 * Title Title string of the box
786 * Class CSS Class for the box
787 * nLines How many string pairs should we print? (URL, UrlText)
788 * ... Pairs of URL Strings and their Names
790 void print_menu_box(char* Title, char *Class, int nLines, ...)
795 svput("BOXTITLE", WCS_STRING, Title);
796 do_template("beginboxx", NULL);
798 wprintf("<ul class=\"%s\">", Class);
800 va_start(arg_list, nLines);
801 for (i = 0; i < nLines; ++i)
803 wprintf("<li><a href=\"%s\">", va_arg(arg_list, char *));
804 wprintf((char *) va_arg(arg_list, char *));
805 wprintf("</a></li>\n");
809 wprintf("</a></li>\n");
813 do_template("endbox", NULL);
818 * dump out static pages from disk
820 void output_static(char *what)
826 const char *content_type;
830 fd = open(what, O_RDONLY);
832 lprintf(9, "output_static('%s') -- NOT FOUND --\n", what);
833 hprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
834 hprintf("Content-Type: text/plain\r\n");
835 wprintf("Cannot open %s: %s\r\n", what, strerror(errno));
839 content_type = GuessMimeByFilename(what, len);
841 if (fstat(fd, &statbuf) == -1) {
842 lprintf(9, "output_static('%s') -- FSTAT FAILED --\n", what);
843 hprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
844 hprintf("Content-Type: text/plain\r\n");
845 wprintf("Cannot fstat %s: %s\n", what, strerror(errno));
851 bytes = statbuf.st_size;
853 if (StrBufReadBLOB(WC->WBuf, &fd, 1, bytes, &Err) < 0)
855 if (fd > 0) close(fd);
856 lprintf(9, "output_static('%s') -- FREAD FAILED (%s) --\n", what, strerror(errno));
857 hprintf("HTTP/1.1 500 internal server error \r\n");
858 hprintf("Content-Type: text/plain\r\n");
866 lprintf(9, "output_static('%s') %s\n", what, content_type);
868 http_transmit_thing(content_type, 1);
870 if (yesbstr("force_close_session")) {
871 end_webcit_session();
876 * When the browser requests an image file from the Citadel server,
877 * this function is called to transmit it.
881 struct wcsession *WCC = WC;
884 const char *MimeType;
886 serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
887 serv_getln(buf, sizeof buf);
889 bytes = extract_long(&buf[4], 0);
891 /** Read it from the server */
893 if (read_server_binary(WCC->WBuf, bytes) > 0) {
895 serv_getln(buf, sizeof buf);
897 MimeType = GuessMimeType (ChrPtr(WCC->WBuf), StrLength(WCC->WBuf));
898 /** Write it to the browser */
899 if (!IsEmptyStr(MimeType))
901 http_transmit_thing(MimeType, 0);
905 /* hm... unknown mimetype? fallback to blank gif */
910 * Instead of an ugly 404, send a 1x1 transparent GIF
911 * when there's no such image on the server.
914 snprintf (blank_gif, SIZ, "%s%s", static_dirs[0], "/blank.gif");
915 output_static(blank_gif);
919 * Extract an embedded photo from a vCard for display on the client
921 void display_vcard_photo_img(void)
927 const char *contentType;
928 struct wcsession *WCC = WC;
930 msgnum = StrTol(WCC->UrlFragment2);
932 vcard = load_mimepart(msgnum,"1");
933 v = vcard_load(vcard);
935 photosrc = vcard_get_prop(v, "PHOTO", 1,0,0);
936 FlushStrBuf(WCC->WBuf);
937 StrBufAppendBufPlain(WCC->WBuf, photosrc, -1, 0);
938 if (StrBufDecodeBase64(WCC->WBuf) <= 0) {
939 FlushStrBuf(WCC->WBuf);
941 hprintf("HTTP/1.1 500 %s\n","Unable to get photo");
942 output_headers(0, 0, 0, 0, 0, 0);
943 hprintf("Content-Type: text/plain\r\n");
944 wprintf(_("Could Not decode vcard photo\n"));
948 contentType = GuessMimeType(ChrPtr(WCC->WBuf), StrLength(WCC->WBuf));
949 http_transmit_thing(contentType, 0);
955 * Generic function to output an arbitrary MIME attachment from
956 * message being composed
958 * partnum The MIME part to be output
959 * filename Fake filename to give
960 * force_download Nonzero to force set the Content-Type: header to "application/octet-stream"
962 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
965 StrBuf *content_type;
966 wc_mime_attachment *part;
968 if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
970 part = (wc_mime_attachment*) vPart;
971 if (force_download) {
972 content_type = NewStrBufPlain(HKEY("application/octet-stream"));
975 content_type = NewStrBufDup(part->ContentType);
977 output_headers(0, 0, 0, 0, 0, 0);
978 StrBufAppendBuf(WC->WBuf, part->Data, 0);
979 http_transmit_thing(ChrPtr(content_type), 0);
981 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
982 output_headers(0, 0, 0, 0, 0, 0);
983 hprintf("Content-Type: text/plain\r\n");
984 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
985 ChrPtr(partnum), ChrPtr(filename));
988 FreeStrBuf(&content_type);
993 * Generic function to output an arbitrary MIME part from an arbitrary
994 * message number on the server.
996 * msgnum Number of the item on the citadel server
997 * partnum The MIME part to be output
998 * force_download Nonzero to force set the Content-Type: header to "application/octet-stream"
1000 void mimepart(const char *msgnum, const char *partnum, int force_download)
1004 char content_type[256];
1006 serv_printf("OPNA %s|%s", msgnum, partnum);
1007 serv_getln(buf, sizeof buf);
1008 if (buf[0] == '2') {
1009 bytes = extract_long(&buf[4], 0);
1010 if (force_download) {
1011 strcpy(content_type, "application/octet-stream");
1014 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1016 output_headers(0, 0, 0, 0, 0, 0);
1018 read_server_binary(WC->WBuf, bytes);
1020 serv_getln(buf, sizeof buf);
1021 http_transmit_thing(content_type, 0);
1023 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1024 output_headers(0, 0, 0, 0, 0, 0);
1025 hprintf("Content-Type: text/plain\r\n");
1026 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1033 * Read any MIME part of a message, from the server, into memory.
1035 char *load_mimepart(long msgnum, char *partnum)
1039 char content_type[SIZ];
1042 serv_printf("DLAT %ld|%s", msgnum, partnum);
1043 serv_getln(buf, sizeof buf);
1044 if (buf[0] == '6') {
1045 bytes = extract_long(&buf[4], 0);
1046 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1048 content = malloc(bytes + 2);
1049 serv_read(content, bytes);
1051 content[bytes] = 0; /* null terminate for good measure */
1060 * Read any MIME part of a message, from the server, into memory.
1062 void MimeLoadData(wc_mime_attachment *Mime)
1066 //// TODO: is there a chance the contenttype is different to the one we know?
1067 serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1068 serv_getln(buf, sizeof buf);
1069 if (buf[0] == '6') {
1070 bytes = extract_long(&buf[4], 0);
1072 if (Mime->Data == NULL)
1073 Mime->Data = NewStrBufPlain(NULL, bytes);
1074 StrBuf_ServGetBLOB(Mime->Data, bytes);
1078 FlushStrBuf(Mime->Data);
1079 /// TODO XImportant message
1085 * Convenience functions to display a page containing only a string
1087 * titlebarcolor color of the titlebar of the frame
1088 * titlebarmsg text to display in the title bar
1089 * messagetext body of the box
1091 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext)
1093 hprintf("HTTP/1.1 200 OK\n");
1094 output_headers(1, 1, 2, 0, 0, 0);
1095 wprintf("<div id=\"banner\">\n");
1096 wprintf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
1097 wprintf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
1098 wprintf("</td></tr></table>\n");
1099 wprintf("</div>\n<div id=\"content\">\n");
1100 escputs(messagetext);
1102 wprintf("<hr />\n");
1108 * Display a blank page.
1110 void blank_page(void) {
1111 output_headers(1, 1, 0, 0, 0, 0);
1117 * A template has been requested
1119 void url_do_template(void) {
1120 const StrBuf *Tmpl = sbstr("template");
1122 output_headers(1, 0, 0, 0, 1, 0);
1123 DoTemplate(ChrPtr(Tmpl), StrLength(Tmpl), NULL, NULL, 0);
1130 * Offer to make any page the user's "start page."
1132 void offer_start_page(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType) {
1133 wprintf("<a href=\"change_start_page?startpage=");
1134 urlescputs(WC->this_page);
1136 wprintf(_("Make this my start page"));
1139 wprintf("<br/><a href=\"rss?room=");
1140 urlescputs(WC->wc_roomname);
1141 wprintf("\" title=\"RSS 2.0 feed for ");
1142 escputs(WC->wc_roomname);
1143 wprintf("\"><img alt=\"RSS\" border=\"0\" src=\"static/xml_button.gif\"/></a>\n");
1149 * Change the user's start page
1151 void change_start_page(void) {
1153 if (bstr("startpage") == NULL) {
1154 safestrncpy(WC->ImportantMessage,
1155 _("You no longer have a start page selected."),
1156 sizeof WC->ImportantMessage);
1157 display_main_menu();
1161 set_preference("startpage", NewStrBufPlain(bstr("startpage"), -1), 1);
1163 output_headers(1, 1, 0, 0, 0, 0);
1164 do_template("newstartpage", NULL);
1171 * convenience function to indicate success
1173 void display_success(char *successmessage)
1175 convenience_page("007700", "OK", successmessage);
1180 * Authorization required page
1181 * This is probably temporary and should be revisited
1183 void authorization_required(const char *message)
1185 hprintf("HTTP/1.1 401 Authorization Required\r\n");
1186 hprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n", serv_info.serv_humannode);
1187 hprintf("Content-Type: text/html\r\n");
1189 wprintf(_("Authorization Required"));
1190 wprintf("</h1>\r\n");
1191 wprintf(_("The resource you requested requires a valid username and password. "
1192 "You could not be logged in: %s\n"), message);
1198 * This function is called by the MIME parser to handle data uploaded by
1199 * the browser. Form data, uploaded files, and the data from HTTP PUT
1200 * operations (such as those found in GroupDAV) all arrive this way.
1202 * name Name of the item being uploaded
1203 * filename Filename of the item being uploaded
1204 * partnum MIME part identifier (not needed)
1205 * disp MIME content disposition (not needed)
1206 * content The actual data
1207 * cbtype MIME content-type
1208 * cbcharset Character set
1209 * length Content length
1210 * encoding MIME encoding type (not needed)
1211 * cbid Content ID (not needed)
1212 * userdata Not used here
1214 void upload_handler(char *name, char *filename, char *partnum, char *disp,
1215 void *content, char *cbtype, char *cbcharset,
1216 size_t length, char *encoding, char *cbid, void *userdata)
1219 #ifdef DEBUG_URLSTRINGS
1220 lprintf(9, "upload_handler() name=%s, type=%s, len=%d\n", name, cbtype, length);
1222 if (WC->urlstrings == NULL)
1223 WC->urlstrings = NewHash(1, NULL);
1226 if ( (length > 0) && (IsEmptyStr(cbtype)) ) {
1227 u = (urlcontent *) malloc(sizeof(urlcontent));
1229 safestrncpy(u->url_key, name, sizeof(u->url_key));
1230 u->url_data = NewStrBufPlain(content, length);
1232 Put(WC->urlstrings, u->url_key, strlen(u->url_key), u, free_url);
1233 #ifdef DEBUG_URLSTRINGS
1234 lprintf(9, "Key: <%s> len: [%ld] Data: <%s>\n",
1236 StrLength(u->url_data),
1237 ChrPtr(u->url_data));
1241 /** Uploaded files */
1242 if ( (length > 0) && (!IsEmptyStr(cbtype)) ) {
1243 WC->upload = malloc(length);
1244 if (WC->upload != NULL) {
1245 WC->upload_length = length;
1246 safestrncpy(WC->upload_filename, filename,
1247 sizeof(WC->upload_filename));
1248 safestrncpy(WC->upload_content_type, cbtype,
1249 sizeof(WC->upload_content_type));
1250 memcpy(WC->upload, content, length);
1253 lprintf(3, "malloc() failed: %s\n", strerror(errno));
1260 * Convenience functions to wrap around asynchronous ajax responses
1262 void begin_ajax_response(void) {
1263 struct wcsession *WCC = WC;
1265 FlushStrBuf(WCC->HBuf);
1266 output_headers(0, 0, 0, 0, 0, 0);
1268 hprintf("Content-type: text/html; charset=UTF-8\r\n"
1270 "Connection: close\r\n"
1277 * print ajax response footer
1279 void end_ajax_response(void) {
1284 * Wraps a Citadel server command in an AJAX transaction.
1286 void ajax_servcmd(void)
1289 char gcontent[1024];
1293 begin_ajax_response();
1295 serv_printf("%s", bstr("g_cmd"));
1296 serv_getln(buf, sizeof buf);
1297 wprintf("%s\n", buf);
1299 if (buf[0] == '8') {
1300 serv_printf("\n\n000");
1302 if ((buf[0] == '1') || (buf[0] == '8')) {
1303 while (serv_getln(gcontent, sizeof gcontent), strcmp(gcontent, "000")) {
1304 wprintf("%s\n", gcontent);
1308 if (buf[0] == '4') {
1309 text_to_server(bstr("g_input"));
1312 if (buf[0] == '6') {
1313 len = atol(&buf[4]);
1315 serv_read(junk, len);
1318 if (buf[0] == '7') {
1319 len = atol(&buf[4]);
1321 memset(junk, 0, len);
1322 serv_write(junk, len);
1326 end_ajax_response();
1329 * This is kind of an ugly hack, but this is the only place it can go.
1330 * If the command was GEXP, then the instant messenger window must be
1331 * running, so reset the "last_pager_check" watchdog timer so
1332 * that page_popup() doesn't try to open it a second time.
1334 if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
1335 WC->last_pager_check = time(NULL);
1341 * Helper function for the asynchronous check to see if we need
1342 * to open the instant messenger window.
1344 void seconds_since_last_gexp(void)
1348 if ( (time(NULL) - WC->last_pager_check) < 30) {
1354 serv_getln(buf, sizeof buf);
1355 if (buf[3] == '*') {
1365 * \brief Detects a 'mobile' user agent
1367 int is_mobile_ua(char *user_agent) {
1368 if (strstr(user_agent,"iPhone OS") != NULL) {
1370 } else if (strstr(user_agent,"Windows CE") != NULL) {
1372 } else if (strstr(user_agent,"SymbianOS") != NULL) {
1374 } else if (strstr(user_agent, "Opera Mobi") != NULL) {
1376 } else if (strstr(user_agent, "Firefox/2.0.0 Opera 9.51 Beta") != NULL) {
1377 // For some reason a new install of Opera 9.51beta decided to spoof.
1385 * Entry point for WebCit transaction
1387 void session_loop(HashList *HTTPHeaders, StrBuf *ReqLine, StrBuf *request_method, StrBuf *ReadBuf)
1389 const char *pch, *pchs, *pche;
1396 int a, nBackDots, nEmpty;
1397 int ContentLength = 0;
1398 StrBuf *ContentType = NULL;
1399 StrBuf *UrlLine = NULL;
1400 StrBuf *content = NULL;
1401 const char *content_end = NULL;
1402 char browser_host[256];
1403 char user_agent[256];
1409 * We stuff these with the values coming from the client cookies,
1410 * so we can use them to reconnect a timed out session if we have to.
1412 char c_username[SIZ];
1413 char c_password[SIZ];
1414 char c_roomname[SIZ];
1415 char c_httpauth_string[SIZ];
1416 char c_httpauth_user[SIZ];
1417 char c_httpauth_pass[SIZ];
1418 struct wcsession *WCC;
1420 safestrncpy(c_username, "", sizeof c_username);
1421 safestrncpy(c_password, "", sizeof c_password);
1422 safestrncpy(c_roomname, "", sizeof c_roomname);
1423 safestrncpy(c_httpauth_string, "", sizeof c_httpauth_string);
1424 safestrncpy(c_httpauth_user, DEFAULT_HTTPAUTH_USER, sizeof c_httpauth_user);
1425 safestrncpy(c_httpauth_pass, DEFAULT_HTTPAUTH_PASS, sizeof c_httpauth_pass);
1426 strcpy(browser_host, "");
1429 if (WCC->WBuf == NULL)
1430 WC->WBuf = NewStrBufPlain(NULL, 32768);
1431 FlushStrBuf(WCC->WBuf);
1433 if (WCC->HBuf == NULL)
1434 WCC->HBuf = NewStrBuf();
1435 FlushStrBuf(WCC->HBuf);
1437 WCC->upload_length = 0;
1440 WCC->trailing_javascript = NewStrBuf();
1442 /** Figure out the action */
1444 sizes[0] = sizeof action;
1447 index[a] = arg[a-1];
1448 sizes[a] = sizeof arg[a-1];
1450 //// index[9] = &foo; todo
1453 for ( a = 0; a < 9; ++a)
1455 extract_token(index[a], ChrPtr(ReqLine), a + 1, '/', sizes[a]);
1456 if (strstr(index[a], "?")) *strstr(index[a], "?") = 0;
1457 if (strstr(index[a], "&")) *strstr(index[a], "&") = 0;
1458 if (strstr(index[a], " ")) *strstr(index[a], " ") = 0;
1459 if ((index[a][0] == '.') && (index[a][1] == '.'))
1461 if (index[a][0] == '\0')
1466 if (GetHash(HTTPHeaders, HKEY("COOKIE"), &vLine) &&
1468 cookie_to_stuff((StrBuf *)vLine, NULL,
1469 c_username, sizeof c_username,
1470 c_password, sizeof c_password,
1471 c_roomname, sizeof c_roomname);
1473 if (GetHash(HTTPHeaders, HKEY("AUTHORIZATION"), &vLine) &&
1475 CtdlDecodeBase64(c_httpauth_string, ChrPtr((StrBuf*)vLine), StrLength((StrBuf*)vLine));
1476 extract_token(c_httpauth_user, c_httpauth_string, 0, ':', sizeof c_httpauth_user);
1477 extract_token(c_httpauth_pass, c_httpauth_string, 1, ':', sizeof c_httpauth_pass);
1479 if (GetHash(HTTPHeaders, HKEY("CONTENT-LENGTH"), &vLine) &&
1481 ContentLength = StrToi((StrBuf*)vLine);
1483 if (GetHash(HTTPHeaders, HKEY("CONTENT-TYPE"), &vLine) &&
1485 ContentType = (StrBuf*)vLine;
1487 if (GetHash(HTTPHeaders, HKEY("USER-AGENT"), &vLine) &&
1489 safestrncpy(user_agent, ChrPtr((StrBuf*)vLine), sizeof user_agent);
1491 if ((WCC->is_mobile < 0) && is_mobile_ua(&buf[12])) {
1500 GetHash(HTTPHeaders, HKEY("X-FORWARDED-HOST"), &vLine) &&
1502 safestrncpy(WCC->http_host,
1503 ChrPtr((StrBuf*)vLine),
1504 sizeof WCC->http_host);
1506 if (IsEmptyStr(WCC->http_host) &&
1507 GetHash(HTTPHeaders, HKEY("HOST"), &vLine) &&
1509 safestrncpy(WCC->http_host,
1510 ChrPtr((StrBuf*)vLine),
1511 sizeof WCC->http_host);
1514 if (GetHash(HTTPHeaders, HKEY("X-FORWARDED-FOR"), &vLine) &&
1516 safestrncpy(browser_host,
1517 ChrPtr((StrBuf*) vLine),
1518 sizeof browser_host);
1519 while (num_tokens(browser_host, ',') > 1) {
1520 remove_token(browser_host, 0, ',');
1522 striplt(browser_host);
1525 if (ContentLength > 0) {
1526 content = NewStrBuf();
1527 StrBufPrintf(content, "Content-type: %s\n"
1528 "Content-length: %d\n\n",
1529 ChrPtr(ContentType), ContentLength);
1531 hprintf("Content-type: %s\n"
1532 "Content-length: %d\n\n",
1533 ContentType, ContentLength);
1535 body_start = StrLength(content);
1537 /** Read the entire input data at once. */
1538 client_read(&WCC->http_sock, content, ReadBuf, ContentLength + body_start);
1540 if (!strncasecmp(ChrPtr(ContentType), "application/x-www-form-urlencoded", 33)) {
1541 StrBufCutLeft(content, body_start);
1542 ParseURLParams(content);
1543 } else if (!strncasecmp(ChrPtr(ContentType), "multipart", 9)) {
1544 content_end = ChrPtr(content) + ContentLength + body_start;
1545 mime_parser(ChrPtr(content), content_end, *upload_handler, NULL, NULL, NULL, 0);
1551 /* make a note of where we are in case the user wants to save it */
1552 safestrncpy(WCC->this_page, ChrPtr(ReqLine), sizeof(WCC->this_page));
1553 remove_token(WCC->this_page, 2, ' ');
1554 remove_token(WCC->this_page, 0, ' ');
1556 /* If there are variables in the URL, we must grab them now */
1557 UrlLine = NewStrBufDup(ReqLine);
1558 len = StrLength(UrlLine);
1559 pch = pchs = ChrPtr(UrlLine);
1561 while (pch < pche) {
1562 if ((*pch == '?') || (*pch == '&')) {
1563 StrBufCutLeft(UrlLine, pch - pchs + 1);
1564 ParseURLParams(UrlLine);
1569 FreeStrBuf(&UrlLine);
1571 /* If it's a "force 404" situation then display the error and bail. */
1572 if (!strcmp(action, "404")) {
1573 hprintf("HTTP/1.1 404 Not found\r\n");
1574 hprintf("Content-Type: text/plain\r\n");
1575 wprintf("Not found\r\n");
1577 goto SKIP_ALL_THIS_CRAP;
1580 /* Static content can be sent without connecting to Citadel. */
1582 for (a=0; a<ndirs && ! is_static; ++a) {
1583 if (!strcasecmp(action, (char*)static_content_dirs[a])) { /* map web to disk location */
1591 snprintf(buf, sizeof buf, "%s/%s/%s/%s/%s/%s/%s/%s",
1592 static_dirs[n_static],
1593 index[1], index[2], index[3], index[4], index[5], index[6], index[7]);
1594 for (a=0; a<8; ++a) {
1595 if (buf[strlen(buf)-1] == '/') {
1596 buf[strlen(buf)-1] = 0;
1599 for (a = 0; a < strlen(buf); ++a) {
1600 if (isspace(buf[a])) {
1608 lprintf(9, "Suspicious request. Ignoring.");
1609 hprintf("HTTP/1.1 404 Security check failed\r\n");
1610 hprintf("Content-Type: text/plain\r\n");
1611 wprintf("You have sent a malformed or invalid request.\r\n");
1614 goto SKIP_ALL_THIS_CRAP; /* Don't try to connect */
1617 /* If the client sent a nonce that is incorrect, kill the request. */
1618 if (strlen(bstr("nonce")) > 0) {
1619 lprintf(9, "Comparing supplied nonce %s to session nonce %ld\n",
1620 bstr("nonce"), WCC->nonce);
1621 if (ibstr("nonce") != WCC->nonce) {
1622 lprintf(9, "Ignoring request with mismatched nonce.\n");
1623 hprintf("HTTP/1.1 404 Security check failed\r\n");
1624 hprintf("Content-Type: text/plain\r\n");
1625 wprintf("Security check failed.\r\n");
1627 goto SKIP_ALL_THIS_CRAP;
1632 * If we're not connected to a Citadel server, try to hook up the
1635 if (!WCC->connected) {
1636 if (!strcasecmp(ctdlhost, "uds")) {
1637 /* unix domain socket */
1638 snprintf(buf, SIZ, "%s/citadel.socket", ctdlport);
1639 WCC->serv_sock = uds_connectsock(buf);
1643 WCC->serv_sock = tcp_connectsock(ctdlhost, ctdlport);
1646 if (WCC->serv_sock < 0) {
1648 goto SKIP_ALL_THIS_CRAP;
1652 serv_getln(buf, sizeof buf); /** get the server welcome message */
1655 * From what host is our user connecting? Go with
1656 * the host at the other end of the HTTP socket,
1657 * unless we are following X-Forwarded-For: headers
1658 * and such a header has already turned up something.
1660 if ( (!follow_xff) || (strlen(browser_host) == 0) ) {
1661 locate_host(browser_host, WCC->http_sock);
1664 get_serv_info(browser_host, user_agent);
1665 if (serv_info.serv_rev_level < MINIMUM_CIT_VERSION) {
1667 wprintf(_("You are connected to a Citadel "
1668 "server running Citadel %d.%02d. \n"
1669 "In order to run this version of WebCit "
1670 "you must also have Citadel %d.%02d or"
1672 serv_info.serv_rev_level / 100,
1673 serv_info.serv_rev_level % 100,
1674 MINIMUM_CIT_VERSION / 100,
1675 MINIMUM_CIT_VERSION % 100
1678 end_webcit_session();
1679 goto SKIP_ALL_THIS_CRAP;
1683 ////////todo: restore language in this case
1685 * Functions which can be performed without logging in
1687 if (!strcasecmp(action, "listsub")) {
1689 goto SKIP_ALL_THIS_CRAP;
1691 if (!strcasecmp(action, "freebusy")) {
1692 do_freebusy(ChrPtr(ReqLine));
1693 goto SKIP_ALL_THIS_CRAP;
1697 * If we're not logged in, but we have HTTP Authentication data,
1698 * try logging in to Citadel using that.
1700 if ((!WCC->logged_in)
1701 && (strlen(c_httpauth_user) > 0)
1702 && (strlen(c_httpauth_pass) > 0)) {
1703 serv_printf("USER %s", c_httpauth_user);
1704 serv_getln(buf, sizeof buf);
1705 if (buf[0] == '3') {
1706 serv_printf("PASS %s", c_httpauth_pass);
1707 serv_getln(buf, sizeof buf);
1708 if (buf[0] == '2') {
1709 become_logged_in(c_httpauth_user,
1710 c_httpauth_pass, buf);
1711 safestrncpy(WCC->httpauth_user, c_httpauth_user, sizeof WCC->httpauth_user);
1712 safestrncpy(WCC->httpauth_pass, c_httpauth_pass, sizeof WCC->httpauth_pass);
1714 /* Should only display when password is wrong */
1715 authorization_required(&buf[4]);
1716 goto SKIP_ALL_THIS_CRAP;
1721 /* This needs to run early */
1723 if (!strcasecmp(action, "rss")) {
1724 display_rss(bstr("room"), request_method);
1725 goto SKIP_ALL_THIS_CRAP;
1730 * The GroupDAV stuff relies on HTTP authentication instead of
1731 * our session's authentication.
1733 if (!strncasecmp(action, "groupdav", 8)) {
1734 groupdav_main(HTTPHeaders,
1735 ReqLine, request_method,
1736 ContentType, /* do GroupDAV methods */
1737 ContentLength, content, body_start);
1738 if (!WCC->logged_in) {
1739 WCC->killthis = 1; /* If not logged in, don't */
1740 } /* keep the session active */
1741 goto SKIP_ALL_THIS_CRAP;
1746 * Automatically send requests with any method other than GET or
1747 * POST to the GroupDAV code as well.
1749 if ((strcasecmp(ChrPtr(request_method), "GET")) && (strcasecmp(ChrPtr(request_method), "POST"))) {
1750 groupdav_main(HTTPHeaders, ReqLine,
1751 request_method, ContentType, /** do GroupDAV methods */
1752 ContentLength, content, body_start);
1753 if (!WCC->logged_in) {
1754 WCC->killthis = 1; /** If not logged in, don't */
1755 } /** keep the session active */
1756 goto SKIP_ALL_THIS_CRAP;
1760 * If we're not logged in, but we have username and password cookies
1761 * supplied by the browser, try using them to log in.
1763 if ((!WCC->logged_in)
1764 && (!IsEmptyStr(c_username))
1765 && (!IsEmptyStr(c_password))) {
1766 serv_printf("USER %s", c_username);
1767 serv_getln(buf, sizeof buf);
1768 if (buf[0] == '3') {
1769 serv_printf("PASS %s", c_password);
1770 serv_getln(buf, sizeof buf);
1771 if (buf[0] == '2') {
1773 become_logged_in(c_username, c_password, buf);
1774 if (get_preference("language", &Lang)) {
1775 set_selected_language(ChrPtr(Lang));
1776 go_selected_language(); /* set locale */
1778 get_preference("default_header_charset", &WCC->DefaultCharset);
1783 * If we don't have a current room, but a cookie specifying the
1784 * current room is supplied, make an effort to go there.
1786 if ((IsEmptyStr(WCC->wc_roomname)) && (!IsEmptyStr(c_roomname))) {
1787 serv_printf("GOTO %s", c_roomname);
1788 serv_getln(buf, sizeof buf);
1789 if (buf[0] == '2') {
1790 safestrncpy(WCC->wc_roomname, c_roomname, sizeof WCC->wc_roomname);
1794 if (!strcasecmp(action, "image")) {
1796 } else if (!strcasecmp(action, "display_mime_icon")) {
1797 display_mime_icon();
1801 WebcitHandler *Handler;
1803 GetHash(HandlerHash, action, strlen(action) /* TODO*/, &vHandler),
1804 Handler = (WebcitHandler*) vHandler;
1805 if (Handler != NULL) {
1806 if (!WCC->logged_in && ((Handler->Flags & ANONYMOUS) == 0)) {
1807 display_login(NULL);
1810 if((Handler->Flags & NEED_URL)) {
1811 if (WCC->UrlFragment1 == NULL)
1812 WCC->UrlFragment1 = NewStrBuf();
1813 if (WCC->UrlFragment2 == NULL)
1814 WCC->UrlFragment2 = NewStrBuf();
1815 if (WCC->UrlFragment3 == NULL)
1816 WCC->UrlFragment3 = NewStrBuf();
1817 StrBufPrintf(WCC->UrlFragment1, "%s", index[0]);
1818 StrBufPrintf(WCC->UrlFragment2, "%s", index[1]);
1819 StrBufPrintf(WCC->UrlFragment3, "%s", index[2]);
1821 if ((Handler->Flags & AJAX) != 0)
1822 begin_ajax_response();
1824 if ((Handler->Flags & AJAX) != 0)
1825 end_ajax_response();
1828 /* When all else fais, display the main menu. */
1830 if (!WCC->logged_in)
1831 display_login(NULL);
1833 display_main_menu();
1838 if (content != NULL) {
1839 FreeStrBuf(&content);
1843 if (WCC->upload_length > 0) {
1845 WCC->upload_length = 0;
1847 FreeStrBuf(&WCC->trailing_javascript);
1852 * Replacement for sleep() that uses select() in order to avoid SIGALRM
1854 void sleeeeeeeeeep(int seconds)
1858 tv.tv_sec = seconds;
1860 select(0, NULL, NULL, NULL, &tv);
1863 void diagnostics(void)
1865 output_headers(1, 1, 1, 0, 0, 0);
1866 wprintf("Session: %d<hr />\n", WC->wc_session);
1867 wprintf("Command: <br /><PRE>\n");
1868 StrEscPuts(WC->UrlFragment1);
1869 wprintf("<br />\n");
1870 StrEscPuts(WC->UrlFragment2);
1871 wprintf("<br />\n");
1872 StrEscPuts(WC->UrlFragment3);
1873 wprintf("</PRE><hr />\n");
1874 wprintf("Variables: <br /><PRE>\n");
1876 wprintf("</PRE><hr />\n");
1880 void view_mimepart(void) {
1881 mimepart(ChrPtr(WC->UrlFragment2),
1882 ChrPtr(WC->UrlFragment3),
1886 void download_mimepart(void) {
1887 mimepart(ChrPtr(WC->UrlFragment2),
1888 ChrPtr(WC->UrlFragment3),
1892 void view_postpart(void) {
1893 postpart(WC->UrlFragment2,
1898 void download_postpart(void) {
1899 postpart(WC->UrlFragment2,
1905 int ConditionalImportantMesage(WCTemplateToken *Tokens, void *Context, int ContextType)
1907 struct wcsession *WCC = WC;
1909 return (!IsEmptyStr(WCC->ImportantMessage));
1914 void tmplput_importantmessage(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1916 struct wcsession *WCC = WC;
1920 StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType,
1921 WCC->ImportantMessage, 0);
1923 StrEscAppend(Target, NULL, WCC->ImportantMessage, 0, 0);
1924 WCC->ImportantMessage[0] = '\0';
1928 int ConditionalBstr(WCTemplateToken *Tokens, void *Context, int ContextType)
1930 if(Tokens->nParameters == 3)
1931 return HaveBstr(Tokens->Params[2]->Start,
1932 Tokens->Params[2]->len);
1934 return strcmp(Bstr(Tokens->Params[2]->Start,
1935 Tokens->Params[2]->len),
1936 Tokens->Params[3]->Start) == 0;
1939 void tmplput_bstr(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1941 const StrBuf *Buf = SBstr(Tokens->Params[0]->Start,
1942 Tokens->Params[0]->len);
1944 StrBufAppendTemplate(Target, nArgs, Tokens,
1945 Context, ContextType,
1950 void tmplput_csslocal(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1952 extern StrBuf *csslocal;
1953 StrBufAppendBuf(Target,
1957 void tmplput_url_part(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
1960 struct wcsession *WCC = WC;
1963 if (Tokens->Params[0]->lvalue == 0)
1964 UrlBuf = WCC->UrlFragment1;
1965 else if (Tokens->Params[0]->lvalue == 1)
1966 UrlBuf = WCC->UrlFragment2;
1968 UrlBuf = WCC->UrlFragment3;
1970 StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType,
1982 WebcitAddUrlHandler(HKEY("blank"), blank_page, ANONYMOUS);
1983 WebcitAddUrlHandler(HKEY("do_template"), url_do_template, ANONYMOUS);
1984 WebcitAddUrlHandler(HKEY("sslg"), seconds_since_last_gexp, AJAX);
1985 WebcitAddUrlHandler(HKEY("ajax_servcmd"), ajax_servcmd, 0);
1986 WebcitAddUrlHandler(HKEY("change_start_page"), change_start_page, 0);
1987 WebcitAddUrlHandler(HKEY("toggle_self_service"), toggle_self_service, 0);
1988 WebcitAddUrlHandler(HKEY("vcardphoto"), display_vcard_photo_img, NEED_URL);
1989 WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1990 WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1991 WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1992 WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1993 WebcitAddUrlHandler(HKEY("diagnostics"), diagnostics, NEED_URL);
1995 RegisterConditional(HKEY("COND:IMPMSG"), 0, ConditionalImportantMesage, CTX_NONE);
1996 RegisterConditional(HKEY("COND:BSTR"), 1, ConditionalBstr, CTX_NONE);
1997 RegisterNamespace("BSTR", 1, 2, tmplput_bstr, CTX_NONE);
1998 RegisterNamespace("URLPART", 1, 2, tmplput_url_part, CTX_NONE);
1999 RegisterNamespace("CSSLOCAL", 0, 0, tmplput_csslocal, CTX_NONE);
2000 RegisterNamespace("IMPORTANTMESSAGE", 0, 0, tmplput_importantmessage, CTX_NONE);
2001 RegisterNamespace("OFFERSTARTPAGE", 0, 0, offer_start_page, CTX_NONE);
2002 RegisterNamespace("TRAILING_JAVASCRIPT", 0, 0, tmplput_trailing_javascript, CTX_NONE);