--- /dev/null
+/*
+ * Functions pertaining to rooms with a wiki view
+ *
+ * Copyright (c) 2009-2021 by the citadel.org team
+ *
+ * This program is open source software. You can redistribute it and/or
+ * modify it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "webcit.h"
+#include "dav.h"
+
+/*
+ * Convert a string to something suitable as a wiki index
+ */
+void str_wiki_index(StrBuf *s)
+{
+ StrBufSanitizeAscii(s, '_');
+ StrBufLowerCase(s);
+}
+
+/*
+ * Display a specific page from a wiki room
+ *
+ * "rev" may be set to an empty string to display the current version.
+ * "do_revert" may be set to nonzero to perform a reversion to the specified version.
+ */
+void display_wiki_page_backend(StrBuf *pagename, char *rev, int do_revert)
+{
+ const StrBuf *Mime;
+ long msgnum = (-1L);
+ char buf[256];
+
+ if (WC->CurRoom.view != VIEW_WIKI) {
+ wc_printf(_("'%s' is not a Wiki room."), ChrPtr(WC->CurRoom.name) );
+ return;
+ }
+
+ if (StrLength(pagename) == 0) {
+ StrBufPlain(pagename, HKEY("home"));
+ }
+
+ str_wiki_index(pagename); /* convert index name to lowercase and numeric only */
+
+ if ((rev != NULL) && (strlen(rev) > 0)) {
+ /* read an older revision */
+ serv_printf("WIKI rev|%s|%s|%s", ChrPtr(pagename), rev, (do_revert ? "revert" : "fetch") );
+ serv_getln(buf, sizeof buf);
+ if (buf[0] == '2') {
+ msgnum = extract_long(&buf[4], 0);
+ }
+ }
+ else {
+ /* read the current revision */
+ msgnum = locate_message_by_uid(ChrPtr(pagename));
+ }
+
+ if (msgnum >= 0L) {
+ read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime, NULL);
+ return;
+ }
+ putbstr("pagename", pagename);
+ do_template("wiki_empty");
+}
+
+
+/*
+ * Display a specific page from a wiki room
+ */
+void display_wiki_page(void)
+{
+ StrBuf *pagename;
+ char rev[128];
+ int do_revert = 0;
+
+ output_headers(1, 1, 1, 0, 0, 0);
+ pagename = NewStrBufDup(sbstr("page"));
+ str_wiki_index(pagename);
+ safestrncpy(rev, bstr("rev"), sizeof rev);
+ do_revert = atoi(bstr("revert"));
+ display_wiki_page_backend(pagename, rev, do_revert);
+ wDumpContent(1);
+}
+
+
+/*
+ * Display the revision history for a wiki page (template callback)
+ */
+void tmplput_display_wiki_history(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBuf *pagename;
+ StrBuf *Buf;
+ int row = 0;
+
+ pagename = NewStrBufDup(sbstr("page"));
+ str_wiki_index(pagename);
+
+ serv_printf("WIKI history|%s", ChrPtr(pagename));
+ Buf = NewStrBuf();
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 1) {
+
+ time_t rev_date;
+ char rev_date_displayed[64];
+ StrBuf *rev_uuid = NewStrBuf();
+ StrBuf *author = NewStrBuf();
+ StrBuf *node = NewStrBuf();
+
+ wc_printf("<table class=\"wiki_history_background\">");
+
+ wc_printf("<th>%s</th>", _("Date"));
+ wc_printf("<th>%s</th>", _("Author"));
+
+ while((StrBuf_ServGetln(Buf) >= 0) && strcmp(ChrPtr(Buf), "000")) {
+
+ rev_date = extract_long(ChrPtr(Buf), 1);
+ webcit_fmt_date(rev_date_displayed, sizeof rev_date_displayed, rev_date, DATEFMT_FULL);
+ StrBufExtract_token(author, Buf, 2, '|');
+
+ wc_printf("<tr bgcolor=\"%s\">", ((row%2) ? "#FFFFFF" : "#DDDDDD"));
+ wc_printf("<td>%s</td><td>", rev_date_displayed);
+ wc_printf("<a href=\"showuser?who=");
+ urlescputs(ChrPtr(author));
+ wc_printf("\">");
+ escputs(ChrPtr(author));
+ wc_printf("</a></td>");
+
+ if (row == 0) {
+ wc_printf("<td><a href=\"wiki?page=%s", bstr("page"));
+ wc_printf("?go="); urlescputs(ChrPtr(WC->CurRoom.name));
+ wc_printf("\">%s</a></td>", _("(show)"));
+ wc_printf("<td>(%s)</td>", _("Current version"));
+ }
+
+ else {
+ wc_printf("<td><a href=\"wiki?page=%s?rev=%s",
+ bstr("page"),
+ ChrPtr(rev_uuid)
+ );
+ wc_printf("?go="); urlescputs(ChrPtr(WC->CurRoom.name));
+ wc_printf("\">%s</a></td>", _("(show)"));
+ wc_printf("<td><a href=\"javascript:GetLoggedInFirst(encodeURIComponent('wiki?page=%s?rev=%s?revert=1'))\">%s</a></td>",
+ bstr("page"),
+ ChrPtr(rev_uuid),
+ _("(revert)")
+ );
+ }
+ wc_printf("</tr>\n");
+
+ /* Extract all fields except the author and date after displaying the row. This
+ * is deliberate, because the timestamp reflects when the diff was written, not
+ * when the version which it reflects was written. Similarly, the name associated
+ * with each diff is the author who created the newer version of the page that
+ * made the diff happen.
+ */
+ StrBufExtract_token(rev_uuid, Buf, 0, '|');
+ StrBufExtract_token(node, Buf, 3, '|');
+ ++row;
+ }
+
+ wc_printf("</table>\n");
+ FreeStrBuf(&author);
+ FreeStrBuf(&node);
+ FreeStrBuf(&rev_uuid);
+ }
+ else {
+ wc_printf("%s", ChrPtr(Buf));
+ }
+
+ FreeStrBuf(&Buf);
+}
+
+
+
+/*
+ * Display the revision history for a wiki page
+ */
+void display_wiki_history(void)
+{
+ output_headers(1, 1, 1, 0, 0, 0);
+ do_template("wiki_history");
+ wDumpContent(1);
+}
+
+
+/*
+ * Display a list of all pages in a Wiki room (template callback)
+ */
+void tmplput_display_wiki_pagelist(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBuf *Buf;
+ int row = 0;
+
+ if (!IsEmptyStr(bstr("query"))) {
+ serv_printf("MSGS SEARCH|%s||4", bstr("query")); /* search-reduced list */
+ }
+ else {
+ serv_printf("MSGS ALL|||4"); /* full list */
+ }
+
+ Buf = NewStrBuf();
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 1) {
+ StrBuf *pagetitle = NewStrBuf();
+
+ wc_printf("<table class=\"wiki_pagelist_background\">");
+ wc_printf("<th>%s</th>", _("Page title"));
+
+ while((StrBuf_ServGetln(Buf) >= 0) && strcmp(ChrPtr(Buf), "000")) {
+ StrBufExtract_token(pagetitle, Buf, 1, '|');
+
+ if (!bmstrcasestr((char *)ChrPtr(pagetitle), "_HISTORY_")) { /* no history pages */
+ wc_printf("<tr bgcolor=\"%s\">", ((row%2) ? "#FFFFFF" : "#DDDDDD"));
+ wc_printf("<td><a href=\"wiki?page=");
+ urlescputs(ChrPtr(pagetitle));
+ wc_printf("\">");
+ escputs(ChrPtr(pagetitle));
+ wc_printf("</a></td>");
+ wc_printf("</tr>\n");
+ ++row;
+ }
+ }
+ wc_printf("</table>\n");
+ FreeStrBuf(&pagetitle);
+ }
+
+ FreeStrBuf(&Buf);
+}
+
+
+/*
+ * Display a list of all pages in a Wiki room. Search requests in a Wiki room also go here.
+ */
+void display_wiki_pagelist(void)
+{
+ output_headers(1, 1, 1, 0, 0, 0);
+ do_template("wiki_pagelist");
+ wDumpContent(1);
+}
+
+
+int wiki_Cleanup(void **ViewSpecific)
+{
+ StrBuf *pagename;
+ pagename = NewStrBufDup(sbstr("page"));
+ display_wiki_page_backend(pagename, "", 0);
+ wDumpContent(1);
+ return 0;
+}
+
+
+int ConditionalHaveWikiPage(StrBuf *Target, WCTemplputParams *TP)
+{
+ const char *page;
+ const char *pch;
+ long len;
+
+ page = BSTR("page");
+ GetTemplateTokenString(Target, TP, 2, &pch, &len);
+ return strcasecmp(page, pch) == 0;
+}
+
+
+int ConditionalHavewikiType(StrBuf *Target, WCTemplputParams *TP)
+{
+ const char *pch;
+ long len;
+
+ GetTemplateTokenString(Target, TP, 2, &pch, &len);
+ return bmstrcasestr((char *)ChrPtr(WC->Hdr->HR.ReqLine), pch) != NULL;
+}
+
+
+int wiki_PrintHeaderPage(SharedMessageStatus *Stat, void **ViewSpecific)
+{
+ /* this function was intentionaly left empty. */
+ return 0;
+}
+
+int wiki_GetParamsGetServerCall(SharedMessageStatus *Stat,
+ void **ViewSpecific,
+ long oper,
+ char *cmd,
+ long len,
+ char *filter,
+ long flen)
+{
+ if (oper == do_search)
+ display_wiki_pagelist();
+ else
+ http_redirect("wiki?page=home");
+
+ return 300;
+}
+
+
+void
+InitModule_WIKI
+(void)
+{
+ RegisterReadLoopHandlerset(
+ VIEW_WIKI,
+ wiki_GetParamsGetServerCall,
+ wiki_PrintHeaderPage,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ wiki_Cleanup,
+ NULL
+ );
+
+ WebcitAddUrlHandler(HKEY("wiki"), "", 0, display_wiki_page, 0);
+ WebcitAddUrlHandler(HKEY("wiki_history"), "", 0, display_wiki_history, 0);
+ WebcitAddUrlHandler(HKEY("wiki_pagelist"), "", 0, display_wiki_pagelist, 0);
+ RegisterNamespace("WIKI:DISPLAYHISTORY", 0, 0, tmplput_display_wiki_history, NULL, CTX_NONE);
+ RegisterNamespace("WIKI:DISPLAYPAGELIST", 0, 0, tmplput_display_wiki_pagelist, NULL, CTX_NONE);
+ RegisterConditional("COND:WIKI:PAGE", 1, ConditionalHaveWikiPage, CTX_NONE);
+ RegisterConditional("COND:WIKI:TYPE", 1, ConditionalHavewikiType, CTX_NONE);
+}
projects / citadel.git / blobdiff