/*
- * RSS/Atom feed generator
+ * RSS feed generator (could be adapted in the future to feed both RSS and Atom)
*
* Copyright (c) 2010 by the citadel.org team
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * This program is open source software. You can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "webcit.h"
* RSS feed generator -- do one message
*/
void feed_rss_one_message(long msgnum) {
+ char buf[1024];
+ int in_body = 0;
+ int found_title = 0;
+ char pubdate[128];
+
+ /* FIXME if this is a blog room we only want to include top-level messages */
+
+ serv_printf("MSG0 %ld", msgnum); /* FIXME we want msg4 eventually */
+ serv_getln(buf, sizeof buf);
+ if (buf[0] != '1') return;
+
wc_printf("<item>");
- wc_printf("<title>title %ld title</title>", msgnum);
- wc_printf("<pubDate>Wed, 08 Sep 2010 20:03:21 GMT</pubDate>");
- wc_printf("<link>http://xxxxx.xxxx.xxxxxx.xxxx.xxx</link>");
- wc_printf("<description><b>foo bar baz:</b> message %ld</description>", msgnum);
- wc_printf("<guid>xxxx-xxxx-xxxx-xxxx-xxxx-xxxx</guid>");
+ wc_printf("<link>%s/readfwd?gotofirst=", ChrPtr(site_prefix));
+ urlescputs(ChrPtr(WC->CurRoom.name));
+ wc_printf("?start_reading_at=%ld</link>", msgnum);
+
+ while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ if (in_body) {
+ escputs(buf);
+ wc_printf("\r\n");
+ }
+ else if (!strncasecmp(buf, "subj=", 5)) {
+ wc_printf("<title>");
+ escputs(&buf[5]);
+ wc_printf("</title>");
+ ++found_title;
+ }
+ else if (!strncasecmp(buf, "exti=", 5)) {
+ wc_printf("<guid>");
+ escputs(&buf[5]);
+ wc_printf("</guid>");
+ }
+ else if (!strncasecmp(buf, "time=", 5)) {
+ http_datestring(pubdate, sizeof pubdate, atol(&buf[5]));
+ wc_printf("<pubDate>%s</pubDate>", pubdate);
+ }
+ else if (!strncasecmp(buf, "text", 4)) {
+ if (!found_title) {
+ wc_printf("<title>Message #%ld</title>", msgnum);
+ }
+ wc_printf("<description>");
+ in_body = 1;
+ }
+ }
+
+ if (in_body) {
+ wc_printf("</description>");
+ }
+
wc_printf("</item>");
}
* RSS feed generator -- go through the message list
*/
void feed_rss_do_messages(void) {
- char buf[1024];
- long *msgs = NULL;
+ wcsession *WCC = WC;
int num_msgs = 0;
- int num_msgs_alloc = 0;
int i;
+ SharedMessageStatus Stat;
+ message_summary *Msg = NULL;
- serv_puts("MSGS ALL");
- serv_getln(buf, sizeof buf);
- if (buf[0] != '1') return;
-
- while (serv_getln(buf, sizeof buf), strcmp(buf, "000"))
- {
- if (num_msgs >= num_msgs_alloc) {
- num_msgs_alloc += 1024;
- msgs = realloc(msgs, num_msgs_alloc*sizeof(long) );
- }
- msgs[num_msgs++] = atol(buf);
- }
+ memset(&Stat, 0, sizeof Stat);
+ Stat.maxload = INT_MAX;
+ Stat.lowest_found = (-1);
+ Stat.highest_found = (-1);
+ num_msgs = load_msg_ptrs("MSGS ALL", &Stat, NULL);
+ if (num_msgs < 1) return;
- i = num_msgs;
+ i = num_msgs; /* convention is to feed newest-to-oldest */
while (i > 0) {
- feed_rss_one_message(msgs[i-1]);
+ Msg = GetMessagePtrAt(i-1, WCC->summ);
+ if (Msg != NULL) {
+ feed_rss_one_message(Msg->msgnum);
+ }
--i;
}
-
- free(msgs);
-
}
+
/*
* Entry point for RSS feed generator
*/
void feed_rss(void) {
+ char buf[1024];
- output_headers(0, 0, 0, 1, 1, 0);
+ output_headers(0, 0, 0, 0, 1, 0);
hprintf("Content-type: text/xml\r\n");
hprintf(
"Server: %s / %s\r\n"
urlescputs(ChrPtr(site_prefix));
wc_printf("</link>");
- // <language>en-us</language>
- // <description>Linux Today News Service</description>
- // <atom:link href="http://linuxtoday.com/biglt.rss" rel="self" type="application/rss+xml" />
+ serv_puts("RINF");
+ serv_getln(buf, sizeof buf);
+ if (buf[0] == '1') {
+ wc_printf("<description>\r\n");
+ while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ escputs(buf);
+ wc_printf("\r\n");
+ }
+ wc_printf("</description>");
+ }
- // <image>
- // <title>Linux Today</title>
- // <url>http://linuxtoday.com/pics/ltnet.png</url>
- // <link>http://linuxtoday.com</link>
- // </image>
+ wc_printf("<image><title>");
+ escputs(ChrPtr(WC->CurRoom.name));
+ wc_printf("</title><url>");
+ urlescputs(ChrPtr(site_prefix));
+ wc_printf("/image?name=_roompic_?gotofirst=");
+ urlescputs(ChrPtr(WC->CurRoom.name));
+ wc_printf("</url><link>");
+ urlescputs(ChrPtr(site_prefix));
+ wc_printf("</link></image>\r\n");
feed_rss_do_messages();
);
wDumpContent(0);
- end_webcit_session();
+}
+
+
+/*
+ * Offer the RSS feed meta tag for this room
+ */
+void tmplput_rssmeta(StrBuf *Target, WCTemplputParams *TP)
+{
+ wcsession *WCC = WC;
+ char feed_link[1024];
+ char encoded_link[1024];
+
+ strcpy(feed_link, "/feed_rss?gotofirst=");
+ urlesc(&feed_link[20], sizeof(feed_link) - 20, (char *)ChrPtr(WCC->CurRoom.name) );
+ CtdlEncodeBase64(encoded_link, feed_link, strlen(feed_link), 0);
+
+ StrBufAppendPrintf(Target,
+ "<link rel=\"alternate\" title=\"RSS\" href=\"/B64%s\" type=\"application/rss+xml\">",
+ encoded_link
+ );
+}
+
+
+/*
+ * Offer the RSS feed button for this room
+ */
+void tmplput_rssbutton(StrBuf *Target, WCTemplputParams *TP)
+{
+ wcsession *WCC = WC;
+ char feed_link[1024];
+ char encoded_link[1024];
+
+ strcpy(feed_link, "/feed_rss?gotofirst=");
+ urlesc(&feed_link[20], sizeof(feed_link) - 20, (char *)ChrPtr(WCC->CurRoom.name) );
+ CtdlEncodeBase64(encoded_link, feed_link, strlen(feed_link), 0);
+
+ StrBufAppendPrintf(Target, "<a type=\"application/rss+xml\" href=\"/B64%s\">", encoded_link);
+ StrBufAppendPrintf(Target, "<img border=\"0\" src=\"static/rss_16x.png\" alt=\"RSS\">");
+ StrBufAppendPrintf(Target, "</a>");
}
InitModule_RSS
(void)
{
- WebcitAddUrlHandler(HKEY("feed_rss"), "", 0, feed_rss, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
+ WebcitAddUrlHandler(HKEY("feed_rss"), "", 0, feed_rss, ANONYMOUS|COOKIEUNNEEDED);
+ RegisterNamespace("THISROOM:FEED:RSS", 0, 0, tmplput_rssbutton, NULL, CTX_NONE);
+ RegisterNamespace("THISROOM:FEED:RSSMETA", 0, 0, tmplput_rssmeta, NULL, CTX_NONE);
}
projects / citadel.git / blobdiff