/*
- * $Id$
- *
* Bring external RSS feeds into rooms.
*
+ * Copyright (c) 2007-2010 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 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.
+ *
+ * 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
*/
#include <stdlib.h>
#include "support.h"
#include "config.h"
#include "threads.h"
-#include "room_ops.h"
#include "ctdl_module.h"
#include "clientsocket.h"
#include "msgbase.h"
#include "database.h"
#include "citadel_dirs.h"
#include "md5.h"
+#include "context.h"
+typedef struct rssnetcfg rssnetcfg;
struct rssnetcfg {
- struct rssnetcfg *next;
+ rssnetcfg *next;
char url[256];
char *rooms;
+ time_t last_error_when;
+ int ItemType;
+ time_t next_poll;
};
-struct rss_item {
- char *chardata;
- int chardata_len;
+#define RSS_UNSET (1<<0)
+#define RSS_RSS (1<<1)
+#define RSS_ATOM (1<<2)
+#define RSS_REQUIRE_BUF (1<<3)
+
+typedef struct _rss_item {
char *roomlist;
int done_parsing;
- char *guid;
- char *title;
- char *link;
- char *description;
+ StrBuf *guid;
+ StrBuf *title;
+ StrBuf *link;
+ StrBuf *linkTitle;
+ StrBuf *reLink;
+ StrBuf *reLinkTitle;
+ StrBuf *description;
time_t pubdate;
- char channel_title[256];
+ StrBuf *channel_title;
int item_tag_nesting;
- char *author_or_creator;
-};
+ StrBuf *author_or_creator;
+ StrBuf *author_url;
+ StrBuf *author_email;
+}rss_item;
+
+
+typedef void (*rss_handler_func)(StrBuf *CData,
+ rss_item *ri,
+ rssnetcfg *Cfg,
+ const char** Attr);
+
+typedef struct __rss_xml_handler {
+ int Flags;
+ rss_handler_func Handler;
+}rss_xml_handler;
+
+
+typedef struct _rsscollection {
+ StrBuf *CData;
+ StrBuf *Key;
+
+ rss_item *Item;
+ rssnetcfg *Cfg;
+
+ rss_xml_handler *Current;
+} rsscollection;
struct rssnetcfg *rnclist = NULL;
+HashList *StartHandlers = NULL;
+HashList *EndHandlers = NULL;
+HashList *KnownNameSpaces = NULL;
+HashList *UrlShorteners = NULL;
+void AddRSSStartHandler(rss_handler_func Handler, int Flags, const char *key, long len)
+{
+ rss_xml_handler *h;
+ h = (rss_xml_handler*) malloc(sizeof (rss_xml_handler));
+ h->Flags = Flags;
+ h->Handler = Handler;
+ Put(StartHandlers, key, len, h, NULL);
+}
+void AddRSSEndHandler(rss_handler_func Handler, int Flags, const char *key, long len)
+{
+ rss_xml_handler *h;
+ h = (rss_xml_handler*) malloc(sizeof (rss_xml_handler));
+ h->Flags = Flags;
+ h->Handler = Handler;
+ Put(EndHandlers, key, len, h, NULL);
+}
+
+#if 0
+//#ifdef HAVE_ICONV
+#include <iconv.h>
+/*
+ * dug this out of the trashcan of the midgard project, lets see if it works for us.
+ * original code by Alexander Bokovoy <bokovoy@avilink.ne> distributed under GPL V2 or later
+ */
+
+/* Returns:
+ >= 0 - successfull, 0 means conversion doesn't use multibyte sequences
+ -1 - error during iconv_open call
+ -2 - error during iconv_close call
+ ----------------------------------
+ This function expects that multibyte encoding in 'charset' wouldn't have
+ characters with more than 3 bytes. It is not intended to convert UTF-8 because
+ we'll never receive UTF-8 in our handler (it is handled by Exat itself).
+*/
+static int
+fill_encoding_info (const char *charset, XML_Encoding * info)
+{
+ iconv_t cd = (iconv_t)(-1);
+ int flag;
+ syslog(LOG_EMERG, "RSS: fill encoding info ...\n");
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ cd = iconv_open ("UCS-2LE", charset);
+#else
+ cd = iconv_open ("UCS-2BE", charset);
+#endif
+
+ if (cd == (iconv_t) (-1))
+ {
+ return -1;
+ }
+
+ {
+ unsigned short out = 0;
+ unsigned char buf[4];
+ unsigned int i0, i1, i2;
+ int result = 0;
+ flag = 0;
+ for (i0 = 0; i0 < 0x100; i0++)
+ {
+ buf[0] = i0;
+ info->map[i0] = 0;
+ //result = try (cd, buf, 1, &out);
+ if (result < 0)
+ {
+ }
+ else if (result > 0)
+ {
+ info->map[i0] = out;
+ }
+ else
+ {
+ for (i1 = 0; i1 < 0x100; i1++)
+ {
+ buf[1] = i1;
+ ///result = try (cd, buf, 2, &out);
+ if (result < 0)
+ {
+ }
+ else if (result > 0)
+ {
+ flag++;
+ info->map[i0] = -2;
+ }
+ else
+ {
+ for (i2 = 0; i2 < 0x100; i2++)
+ {
+ buf[2] = i2;
+ ////result = try (cd, buf, 3, &out);
+ if (result < 0)
+ {
+ }
+ else if (result > 0)
+ {
+ flag++;
+ info->map[i0] = -3;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (iconv_close (cd) < 0)
+ {
+ return -2;
+ }
+ return flag;
+}
+
+static int
+iconv_convertor (void *data, const char *s)
+{
+ XML_Encoding *info = data;
+ int res;
+ syslog(LOG_EMERG, "RSS: Converting ...\n");
+
+ if (s == NULL)
+ return -1;
+/*
+ GByteArray *result;
+ result = g_byte_array_new ();
+ if (process_block (info->data, (char *) s, strlen (s), result) == 0)
+ {
+ res = *(result->data);
+ g_byte_array_free (result, TRUE);
+ return res;
+ }
+ g_byte_array_free (result, TRUE);
+*/
+ return -1;
+}
+
+static void
+my_release (void *data)
+{
+ iconv_t cd = (iconv_t) data;
+ if (iconv_close (cd) != 0)
+ {
+/// TODO: uh no. exit (1);
+ }
+}
+int
+handle_unknown_xml_encoding (void *encodingHandleData,
+ const XML_Char * name,
+ XML_Encoding * info)
+{
+ int result;
+ syslog(LOG_EMERG, "RSS: unknown encoding ...\n");
+ result = fill_encoding_info (name, info);
+ if (result >= 0)
+ {
+ /*
+ Special case: client asked for reverse conversion, we'll provide him with
+ iconv descriptor which handles it. Client should release it by himself.
+ */
+ if(encodingHandleData != NULL)
+ *((iconv_t *)encodingHandleData) = iconv_open(name, "UTF-8");
+ /*
+ Optimization: we do not need conversion function if encoding is one-to-one,
+ info->map table will be enough
+ */
+ if (result == 0)
+ {
+ info->data = NULL;
+ info->convert = NULL;
+ info->release = NULL;
+ return 1;
+ }
+ /*
+ We do need conversion function because this encoding uses multibyte sequences
+ */
+ info->data = (void *) iconv_open ("UTF-8", name);
+ if ((int)info->data == -1)
+ return -1;
+ info->convert = iconv_convertor;
+ info->release = my_release;
+ return 1;
+ }
+ if(encodingHandleData != NULL)
+ *(iconv_t *)encodingHandleData = NULL;
+ return 0;
+}
+
+///#endif
+#endif
+size_t GetLocationString( void *ptr, size_t size, size_t nmemb, void *userdata)
+{
+#define LOCATION "location"
+ if (strncasecmp((char*)ptr, LOCATION, sizeof(LOCATION) - 1) == 0)
+ {
+ StrBuf *pURL = (StrBuf*) userdata;
+ char *pch = (char*) ptr;
+ char *pche;
+
+ pche = pch + (size * nmemb);
+ pch += sizeof(LOCATION);
+
+ while (isspace(*pch) || (*pch == ':'))
+ pch ++;
+
+ while (isspace(*pche) || (*pche == '\0'))
+ pche--;
+
+ FlushStrBuf(pURL);
+ StrBufPlain(pURL, pch, pche - pch + 1);
+ }
+ return size * nmemb;
+}
+
+int LookupUrl(StrBuf *ShorterUrlStr)
+{
+ CURL *curl;
+ char errmsg[1024] = "";
+ StrBuf *Answer;
+ int rc = 0;
+
+ curl = curl_easy_init();
+ if (!curl) {
+ syslog(LOG_ALERT, "Unable to initialize libcurl.\n");
+ return 0;
+ }
+ Answer = NewStrBufPlain(NULL, SIZ);
+
+ curl_easy_setopt(curl, CURLOPT_URL, ChrPtr(ShorterUrlStr));
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, Answer);
+// curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, rss_libcurl_callback);
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlFillStrBuf_callback);
+ curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errmsg);
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+#ifdef CURLOPT_HTTP_CONTENT_DECODING
+ curl_easy_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 1);
+ curl_easy_setopt(curl, CURLOPT_ENCODING, "");
+#endif
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, CITADEL);
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT, 180); /* die after 180 seconds */
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 0);
+
+ curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION , GetLocationString);
+ curl_easy_setopt(curl, CURLOPT_WRITEHEADER, ShorterUrlStr);
+
+
+ if (
+ (!IsEmptyStr(config.c_ip_addr))
+ && (strcmp(config.c_ip_addr, "*"))
+ && (strcmp(config.c_ip_addr, "::"))
+ && (strcmp(config.c_ip_addr, "0.0.0.0"))
+ ) {
+ curl_easy_setopt(curl, CURLOPT_INTERFACE, config.c_ip_addr);
+ }
+
+ if (server_shutting_down)
+ goto shutdown ;
+
+ rc = curl_easy_perform(curl);
+ if (rc) {
+ syslog(LOG_ALERT, "libcurl error %d: %s\n", rc, errmsg);
+ rc = 0;
+ }
+ else
+ rc = 1;
+
+shutdown:
+ FreeStrBuf(&Answer);
+ curl_easy_cleanup(curl);
+
+ return rc;
+
+}
+
+
+
+void CrawlMessageForShorterUrls(HashList *pUrls, StrBuf *Message)
+{
+ int nHits = 0;
+ void *pv;
+ int nShorter = 0;
+ const char *pch;
+ const char *pUrl;
+ ConstStr *pCUrl;
+
+ while (GetHash(UrlShorteners, IKEY(nShorter), &pv))
+ {
+ nShorter++;
+ pch = ChrPtr(Message);
+ pUrl = strstr(pch, ChrPtr((StrBuf*)pv));
+ while ((pUrl != NULL) && (nHits < 99))
+ {
+ pCUrl = malloc(sizeof(ConstStr));
+
+ pCUrl->Key = pUrl;
+ pch = pUrl + StrLength((StrBuf*)pv);
+ while (isalnum(*pch)||(*pch == '-')||(*pch == '/'))
+ pch++;
+ pCUrl->len = pch - pCUrl->Key;
+
+ Put(pUrls, IKEY(nHits), pCUrl, NULL);
+ nHits ++;
+ pUrl = strstr(pch, ChrPtr((StrBuf*)pv));
+ }
+ }
+}
+
+int SortConstStrByPosition(const void *Item1, const void *Item2)
+{
+ const ConstStr *p1, *p2;
+ p1 = (const ConstStr*) Item1;
+ p2 = (const ConstStr*) Item2;
+ if (p1->Key == p2->Key)
+ return 0;
+ if (p1->Key > p2->Key)
+ return 1;
+ return -1;
+}
+
+void ExpandShortUrls(StrBuf *Message)
+{
+ StrBuf *Shadow;
+ HashList *pUrls;
+ ConstStr *pCUrl;
+ const char *pch;
+ const char *pche;
+
+ /* we just suspect URL shorteners to be inside of feeds from twitter
+ * or other short content messages, so don't crawl through real blogs.
+ */
+ if (StrLength(Message) > 500)
+ return;
+
+ pUrls = NewHash(1, Flathash);
+ CrawlMessageForShorterUrls(pUrls, Message);
+
+ if (GetCount(pUrls) > 0)
+ {
+ StrBuf *ShorterUrlStr;
+ HashPos *Pos;
+ const char *RetrKey;
+ void *pv;
+ long len;
+
+ Shadow = NewStrBufPlain(NULL, StrLength(Message));
+ SortByPayload (pUrls, SortConstStrByPosition);
+
+ ShorterUrlStr = NewStrBufPlain(NULL, StrLength(Message));
+
+ pch = ChrPtr(Message);
+ pche = pch + StrLength(Message);
+ Pos = GetNewHashPos(pUrls, 1);
+ while (GetNextHashPos(pUrls, Pos, &len, &RetrKey, &pv))
+ {
+ pCUrl = (ConstStr*) pv;
+
+ if (pch != pCUrl->Key)
+ StrBufAppendBufPlain(Shadow, pch, pCUrl->Key - pch, 0);
+
+ StrBufPlain(ShorterUrlStr, CKEY(*pCUrl));
+ if (LookupUrl(ShorterUrlStr))
+ {
+ StrBufAppendBufPlain(Shadow, HKEY("<a href=\""), 0);
+ StrBufAppendBuf(Shadow, ShorterUrlStr, 0);
+ StrBufAppendBufPlain(Shadow, HKEY("\">"), 0);
+ StrBufAppendBuf(Shadow, ShorterUrlStr, 0);
+ StrBufAppendBufPlain(Shadow, HKEY("["), 0);
+ StrBufAppendBufPlain(Shadow, pCUrl->Key, pCUrl->len, 0);
+ StrBufAppendBufPlain(Shadow, HKEY("]</a>"), 0);
+ }
+ else
+ {
+ StrBufAppendBufPlain(Shadow, HKEY("<a href=\""), 0);
+ StrBufAppendBufPlain(Shadow, pCUrl->Key, pCUrl->len, 0);
+ StrBufAppendBufPlain(Shadow, HKEY("\">"), 0);
+ StrBufAppendBufPlain(Shadow, pCUrl->Key, pCUrl->len, 0);
+ StrBufAppendBufPlain(Shadow, HKEY("</a>"), 0);
+ }
+ pch = pCUrl->Key + pCUrl->len + 1;
+
+ }
+ if (pch < pche)
+ StrBufAppendBufPlain(Shadow, pch, pche - pch, 0);
+ FlushStrBuf(Message);
+ StrBufAppendBuf(Message, Shadow, 0);
+
+ FreeStrBuf(&ShorterUrlStr);
+ FreeStrBuf(&Shadow);
+ DeleteHashPos(&Pos);
+ }
+
+ DeleteHash(&pUrls);
+}
+
+
+void AppendLink(StrBuf *Message, StrBuf *link, StrBuf *LinkTitle, const char *Title)
+{
+ if (StrLength(link) > 0)
+ {
+ StrBufAppendBufPlain(Message, HKEY("<a href=\""), 0);
+ StrBufAppendBuf(Message, link, 0);
+ StrBufAppendBufPlain(Message, HKEY("\">"), 0);
+ if (StrLength(LinkTitle) > 0)
+ StrBufAppendBuf(Message, LinkTitle, 0);
+ else if ((Title != NULL) && !IsEmptyStr(Title))
+ StrBufAppendBufPlain(Message, Title, -1, 0);
+ else
+ StrBufAppendBuf(Message, link, 0);
+ StrBufAppendBufPlain(Message, HKEY("</a><br>\n"), 0);
+ }
+}
/*
* Commit a fetched and parsed RSS item to disk
*/
-void rss_save_item(struct rss_item *ri) {
+void rss_save_item(rss_item *ri)
+{
struct MD5Context md5context;
u_char rawdigest[MD5_DIGEST_LEN];
struct CtdlMessage *msg;
struct recptypes *recp = NULL;
int msglen = 0;
+ StrBuf *Message;
recp = (struct recptypes *) malloc(sizeof(struct recptypes));
if (recp == NULL) return;
memset(recp, 0, sizeof(struct recptypes));
+ memset(&ut, 0, sizeof(struct UseTable));
recp->recp_room = strdup(ri->roomlist);
recp->num_room = num_tokens(ri->roomlist, '|');
recp->recptypes_magic = RECPTYPES_MAGIC;
* If one is not present in the item itself, make one up.
*/
if (ri->guid != NULL) {
- snprintf(utmsgid, sizeof utmsgid, "rss/%s", ri->guid);
+ StrBufSpaceToBlank(ri->guid);
+ StrBufTrim(ri->guid);
+ snprintf(utmsgid, sizeof utmsgid, "rss/%s", ChrPtr(ri->guid));
}
else {
MD5Init(&md5context);
if (ri->title != NULL) {
- MD5Update(&md5context, (unsigned char*)ri->title, strlen(ri->title));
+ MD5Update(&md5context, (const unsigned char*)ChrPtr(ri->title), StrLength(ri->title));
}
if (ri->link != NULL) {
- MD5Update(&md5context, (unsigned char*)ri->link, strlen(ri->link));
+ MD5Update(&md5context, (const unsigned char*)ChrPtr(ri->link), StrLength(ri->link));
}
MD5Final(rawdigest, &md5context);
for (i=0; i<MD5_DIGEST_LEN; i++) {
}
/* Find out if we've already seen this item */
+
cdbut = cdb_fetch(CDB_USETABLE, utmsgid, strlen(utmsgid));
+#ifndef DEBUG_RSS
if (cdbut != NULL) {
/* Item has already been seen */
- CtdlLogPrintf(CTDL_DEBUG, "%s has already been seen\n", utmsgid);
+ syslog(LOG_DEBUG, "%s has already been seen\n", utmsgid);
cdb_free(cdbut);
/* rewrite the record anyway, to update the timestamp */
ut.ut_timestamp = time(NULL);
cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid), &ut, sizeof(struct UseTable) );
}
- else {
+ else
+#endif
+{
/* Item has not been seen, so save it. */
-
- if (ri->description == NULL) ri->description = strdup("");
- for (i=strlen(ri->description); i>=0; --i) {
- if (isspace(ri->description[i])) {
- ri->description[i] = ' ';
- }
- }
-
+ syslog(LOG_DEBUG, "RSS: saving item...\n");
+ if (ri->description == NULL) ri->description = NewStrBufPlain(HKEY(""));
+ StrBufSpaceToBlank(ri->description);
msg = malloc(sizeof(struct CtdlMessage));
memset(msg, 0, sizeof(struct CtdlMessage));
msg->cm_magic = CTDLMESSAGE_MAGIC;
msg->cm_anon_type = MES_NORMAL;
msg->cm_format_type = FMT_RFC822;
+ if (ri->guid != NULL) {
+ msg->cm_fields['E'] = strdup(ChrPtr(ri->guid));
+ }
+
if (ri->author_or_creator != NULL) {
- msg->cm_fields['A'] = html_to_ascii(ri->author_or_creator,
- strlen(ri->author_or_creator), 512, 0);
- striplt(msg->cm_fields['A']);
+ char *From;
+ StrBuf *Encoded = NULL;
+ int FromAt;
+
+ From = html_to_ascii(ChrPtr(ri->author_or_creator),
+ StrLength(ri->author_or_creator),
+ 512, 0);
+ StrBufPlain(ri->author_or_creator, From, -1);
+ StrBufTrim(ri->author_or_creator);
+ free(From);
+
+ FromAt = strchr(ChrPtr(ri->author_or_creator), '@') != NULL;
+ if (!FromAt && StrLength (ri->author_email) > 0)
+ {
+ StrBufRFC2047encode(&Encoded, ri->author_or_creator);
+ msg->cm_fields['A'] = SmashStrBuf(&Encoded);
+ msg->cm_fields['P'] = SmashStrBuf(&ri->author_email);
+ }
+ else
+ {
+ if (FromAt)
+ {
+ msg->cm_fields['A'] = SmashStrBuf(&ri->author_or_creator);
+ msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
+ }
+ else
+ {
+ StrBufRFC2047encode(&Encoded, ri->author_or_creator);
+ msg->cm_fields['A'] = SmashStrBuf(&Encoded);
+ msg->cm_fields['P'] = strdup("rss@localhost");
+ }
+ }
}
else {
msg->cm_fields['A'] = strdup("rss");
msg->cm_fields['N'] = strdup(NODENAME);
if (ri->title != NULL) {
- msg->cm_fields['U'] = html_to_ascii(ri->title, strlen(ri->title), 512, 0);
- striplt(msg->cm_fields['U']);
+ long len;
+ char *Sbj;
+ StrBuf *Encoded, *QPEncoded;
+
+ QPEncoded = NULL;
+ StrBufSpaceToBlank(ri->title);
+ len = StrLength(ri->title);
+ Sbj = html_to_ascii(ChrPtr(ri->title), len, 512, 0);
+ len = strlen(Sbj);
+ if (Sbj[len - 1] == '\n')
+ {
+ len --;
+ Sbj[len] = '\0';
+ }
+ Encoded = NewStrBufPlain(Sbj, len);
+ free(Sbj);
+
+ StrBufTrim(Encoded);
+ StrBufRFC2047encode(&QPEncoded, Encoded);
+
+ msg->cm_fields['U'] = SmashStrBuf(&QPEncoded);
+ FreeStrBuf(&Encoded);
+ }
+
+ if (ri->pubdate <= 0) {
+ ri->pubdate = time(NULL);
}
msg->cm_fields['T'] = malloc(64);
snprintf(msg->cm_fields['T'], 64, "%ld", ri->pubdate);
+
if (ri->channel_title != NULL) {
- if (!IsEmptyStr(ri->channel_title)) {
- msg->cm_fields['O'] = strdup(ri->channel_title);
+ if (StrLength(ri->channel_title) > 0) {
+ msg->cm_fields['O'] = strdup(ChrPtr(ri->channel_title));
}
}
if (ri->link == NULL)
- ri->link = strdup("");
- msglen += 1024 + strlen(ri->link) + strlen(ri->description) ;
- msg->cm_fields['M'] = malloc(msglen);
- snprintf(msg->cm_fields['M'], msglen,
- "Content-type: text/html\r\n\r\n"
- "<html><body>\n"
- "%s<br><br>\n"
- "<a href=\"%s\">%s</a>\n"
- "</body></html>\n"
- ,
- ri->description,
- ri->link, ri->link
- );
+ ri->link = NewStrBufPlain(HKEY(""));
+#ifdef EXPERIMENTAL_SHORTER_URLS
+/* its rather hard to implement this libevent compatible, so we don't ship it. */
+ ExpandShortUrls(ri->description);
+#endif
+ msglen += 1024 + StrLength(ri->link) + StrLength(ri->description) ;
+
+ Message = NewStrBufPlain(NULL, StrLength(ri->description));
+
+ StrBufPlain(Message, HKEY(
+ "Content-type: text/html; charset=\"UTF-8\"\r\n\r\n"
+ "<html><body>\n"));
+
+ StrBufAppendBuf(Message, ri->description, 0);
+ StrBufAppendBufPlain(Message, HKEY("<br><br>\n"), 0);
+
+ AppendLink(Message, ri->link, ri->linkTitle, NULL);
+ AppendLink(Message, ri->reLink, ri->reLinkTitle, "Reply to this");
+ StrBufAppendBufPlain(Message, HKEY("</body></html>\n"), 0);
+
+ msg->cm_fields['M'] = SmashStrBuf(&Message);
CtdlSubmitMsg(msg, recp, NULL, 0);
CtdlFreeMessage(msg);
/*
* Convert an RDF/RSS datestamp into a time_t
*/
-time_t rdf_parsedate(char *p)
+time_t rdf_parsedate(const char *p)
{
struct tm tm;
time_t t = 0;
memset(&tm, 0, sizeof tm);
- /* YYYY-MM-DDTHH:MM format...
+ /*
+ * If the timestamp appears to be in W3C datetime format, try to
+ * parse it. See also: http://www.w3.org/TR/NOTE-datetime
+ *
+ * This code, along with parsedate.c, is a potential candidate for
+ * moving into libcitadel.
*/
if ( (p[4] == '-') && (p[7] == '-') ) {
tm.tm_year = atoi(&p[0]) - 1900;
return(time(NULL));
}
+void flush_rss_item(rss_item *ri)
+{
+ /* Initialize the feed item data structure */
+ FreeStrBuf(&ri->guid);
+ FreeStrBuf(&ri->title);
+ FreeStrBuf(&ri->link);
+ FreeStrBuf(&ri->linkTitle);
+ FreeStrBuf(&ri->reLink);
+ FreeStrBuf(&ri->reLinkTitle);
+ FreeStrBuf(&ri->description);
+ FreeStrBuf(&ri->channel_title);
+ FreeStrBuf(&ri->author_or_creator);
+ FreeStrBuf(&ri->author_url);
+ FreeStrBuf(&ri->author_email);
+}
+void rss_xml_start(void *data, const char *supplied_el, const char **attr)
+{
+ rss_xml_handler *h;
+ rsscollection *rssc = (rsscollection*) data;
+ rssnetcfg *Cfg = rssc->Cfg;
+ rss_item *ri = rssc->Item;
+ void *pv;
+ const char *pel;
+ char *sep = NULL;
+
+ /* Axe the namespace, we don't care about it */
+/// syslog(LOG_EMERG, "RSS: supplied el %d: %s...\n", rssc->Cfg->ItemType, supplied_el);
+ pel = supplied_el;
+ while (sep = strchr(pel, ':'), sep) {
+ pel = sep + 1;
+ }
-void rss_xml_start(void *data, const char *supplied_el, const char **attr) {
- struct rss_item *ri = (struct rss_item *) data;
- char el[256];
- char *sep = NULL;
+ if (pel != supplied_el)
+ {
+ void *v;
+
+ if (!GetHash(KnownNameSpaces,
+ supplied_el,
+ pel - supplied_el - 1,
+ &v))
+ {
+#ifdef DEBUG_RSS
+ syslog(LOG_EMERG, "RSS: START ignoring because of wrong namespace [%s] = [%s]\n",
+ supplied_el);
+#endif
+ return;
+ }
+ }
+
+ StrBufPlain(rssc->Key, pel, -1);
+ StrBufLowerCase(rssc->Key);
+ if (GetHash(StartHandlers, SKEY(rssc->Key), &pv))
+ {
+ rssc->Current = h = (rss_xml_handler*) pv;
+
+ if (((h->Flags & RSS_UNSET) != 0) &&
+ (Cfg->ItemType == RSS_UNSET))
+ {
+ h->Handler(rssc->CData, ri, Cfg, attr);
+ }
+ else if (((h->Flags & RSS_RSS) != 0) &&
+ (Cfg->ItemType == RSS_RSS))
+ {
+ h->Handler(rssc->CData, ri, Cfg, attr);
+ }
+ else if (((h->Flags & RSS_ATOM) != 0) &&
+ (Cfg->ItemType == RSS_ATOM))
+ {
+ h->Handler(rssc->CData, ri, Cfg, attr);
+ }
+#ifdef DEBUG_RSS
+ else
+ syslog(LOG_EMERG, "RSS: START unhandled: [%s] [%s]...\n", pel, supplied_el);
+#endif
+ }
+#ifdef DEBUG_RSS
+ else
+ syslog(LOG_EMERG, "RSS: START unhandled: [%s] [%s]...\n", pel, supplied_el);
+#endif
+}
+
+void rss_xml_end(void *data, const char *supplied_el)
+{
+ rss_xml_handler *h;
+ rsscollection *rssc = (rsscollection*) data;
+ rssnetcfg *Cfg = rssc->Cfg;
+ rss_item *ri = rssc->Item;
+ const char *pel;
+ char *sep = NULL;
+ void *pv;
/* Axe the namespace, we don't care about it */
- safestrncpy(el, supplied_el, sizeof el);
- while (sep = strchr(el, ':'), sep) {
- strcpy(el, ++sep);
+ pel = supplied_el;
+ while (sep = strchr(pel, ':'), sep) {
+ pel = sep + 1;
}
+// syslog(LOG_EMERG, "RSS: END %s...\n", el);
+ if (pel != supplied_el)
+ {
+ void *v;
+
+ if (!GetHash(KnownNameSpaces,
+ supplied_el,
+ pel - supplied_el - 1,
+ &v))
+ {
+#ifdef DEBUG_RSS
+ syslog(LOG_EMERG, "RSS: END ignoring because of wrong namespace [%s] = [%s]\n",
+ supplied_el, ChrPtr(rssc->CData));
+#endif
+ FlushStrBuf(rssc->CData);
+ return;
+ }
+ }
+
+ StrBufPlain(rssc->Key, pel, -1);
+ StrBufLowerCase(rssc->Key);
+ if (GetHash(EndHandlers, SKEY(rssc->Key), &pv))
+ {
+ h = (rss_xml_handler*) pv;
+
+ if (((h->Flags & RSS_UNSET) != 0) &&
+ (Cfg->ItemType == RSS_UNSET))
+ {
+ h->Handler(rssc->CData, ri, Cfg, NULL);
+ }
+ else if (((h->Flags & RSS_RSS) != 0) &&
+ (Cfg->ItemType == RSS_RSS))
+ {
+ h->Handler(rssc->CData, ri, Cfg, NULL);
+ }
+ else if (((h->Flags & RSS_ATOM) != 0) &&
+ (Cfg->ItemType == RSS_ATOM))
+ {
+ h->Handler(rssc->CData, ri, Cfg, NULL);
+ }
+#ifdef DEBUG_RSS
+ else
+ syslog(LOG_EMERG, "RSS: END unhandled: [%s] [%s] = [%s]...\n", pel, supplied_el, ChrPtr(rssc->CData));
+#endif
+ }
+#ifdef DEBUG_RSS
+ else
+ syslog(LOG_EMERG, "RSS: END unhandled: [%s] [%s] = [%s]...\n", pel, supplied_el, ChrPtr(rssc->CData));
+#endif
+ FlushStrBuf(rssc->CData);
+ rssc->Current = NULL;
+}
+
+
+
+
+
+void RSS_item_rss_start (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ syslog(LOG_DEBUG, "RSS: This is an RSS feed.\n");
+ Cfg->ItemType = RSS_RSS;
+}
+
+void RSS_item_rdf_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ syslog(LOG_DEBUG, "RSS: This is an RDF feed.\n");
+ Cfg->ItemType = RSS_RSS;
+}
- if (!strcasecmp(el, "item")) {
- ++ri->item_tag_nesting;
+void ATOM_item_feed_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ syslog(LOG_DEBUG, "RSS: This is an ATOM feed.\n");
+ Cfg->ItemType = RSS_ATOM;
+}
+
+
+void RSS_item_item_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ ri->item_tag_nesting ++;
+ flush_rss_item(ri);
+}
- /* Initialize the feed item data structure */
- if (ri->guid != NULL) free(ri->guid);
- ri->guid = NULL;
- if (ri->title != NULL) free(ri->title);
- ri->title = NULL;
- if (ri->link != NULL) free(ri->link);
- ri->link = NULL;
- if (ri->author_or_creator != NULL) free(ri->author_or_creator);
- ri->author_or_creator = NULL;
- if (ri->description != NULL) free(ri->description);
- ri->description = NULL;
+void ATOM_item_entry_start(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+/* Atom feed... */
+ ri->item_tag_nesting ++;
+ flush_rss_item(ri);
+}
+
+void ATOM_item_link_start (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ int i;
+ const char *pHref = NULL;
+ const char *pType = NULL;
+ const char *pRel = NULL;
+ const char *pTitle = NULL;
+
+ for (i = 0; Attr[i] != NULL; i+=2)
+ {
+ if (!strcmp(Attr[i], "href"))
+ {
+ pHref = Attr[i+1];
+ }
+ else if (!strcmp(Attr[i], "rel"))
+ {
+ pRel = Attr[i+1];
+ }
+ else if (!strcmp(Attr[i], "type"))
+ {
+ pType = Attr[i+1];
+ }
+ else if (!strcmp(Attr[i], "title"))
+ {
+ pTitle = Attr[i+1];
+ }
+ }
+ if (pHref == NULL)
+ return; /* WHUT? Pointing... where? */
+ if ((pType != NULL) && !strcasecmp(pType, "application/atom+xml"))
+ return; /* these just point to other rss resources, we're not interested in them. */
+ if (pRel != NULL)
+ {
+ if (!strcasecmp (pRel, "replies"))
+ {
+ NewStrBufDupAppendFlush(&ri->reLink, NULL, pHref, -1);
+ StrBufTrim(ri->link);
+ NewStrBufDupAppendFlush(&ri->reLinkTitle, NULL, pTitle, -1);
+ }
+ else if (!strcasecmp(pRel, "alternate")) /* Alternative representation of this Item... */
+ {
+ NewStrBufDupAppendFlush(&ri->link, NULL, pHref, -1);
+ StrBufTrim(ri->link);
+ NewStrBufDupAppendFlush(&ri->linkTitle, NULL, pTitle, -1);
- /* Throw away any existing character data */
- if (ri->chardata_len > 0) {
- free(ri->chardata);
- ri->chardata = 0;
- ri->chardata_len = 0;
}
+#if 0 /* these are also defined, but dunno what to do with them.. */
+ else if (!strcasecmp(pRel, "related"))
+ {
+ }
+ else if (!strcasecmp(pRel, "self"))
+ {
+ }
+ else if (!strcasecmp(pRel, "enclosure"))
+ {/* this reference can get big, and is probably the full article... */
+ }
+ else if (!strcasecmp(pRel, "via"))
+ {/* this article was provided via... */
+ }
+#endif
+ }
+ else if (StrLength(ri->link) == 0)
+ {
+ NewStrBufDupAppendFlush(&ri->link, NULL, pHref, -1);
+ StrBufTrim(ri->link);
+ NewStrBufDupAppendFlush(&ri->linkTitle, NULL, pTitle, -1);
}
+}
+
+void ATOMRSS_item_title_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if ((ri->item_tag_nesting == 0) && (StrLength(CData) > 0)) {
+ NewStrBufDupAppendFlush(&ri->channel_title, CData, NULL, 0);
+ StrBufTrim(ri->channel_title);
+ }
}
-void rss_xml_end(void *data, const char *supplied_el) {
- struct rss_item *ri = (struct rss_item *) data;
- char el[256];
- char *sep = NULL;
+void RSS_item_guid_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->guid, CData, NULL, 0);
+ }
+}
- /* Axe the namespace, we don't care about it */
- safestrncpy(el, supplied_el, sizeof el);
- while (sep = strchr(el, ':'), sep) {
- strcpy(el, ++sep);
+void ATOM_item_id_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->guid, CData, NULL, 0);
}
+}
- if ( (!strcasecmp(el, "title")) && (ri->item_tag_nesting == 0) && (ri->chardata != NULL) ) {
- safestrncpy(ri->channel_title, ri->chardata, sizeof ri->channel_title);
- striplt(ri->channel_title);
+
+void RSS_item_link_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->link, CData, NULL, 0);
+ StrBufTrim(ri->link);
+ }
+}
+void RSS_item_relink_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->reLink, CData, NULL, 0);
+ StrBufTrim(ri->reLink);
}
+}
- if ( (!strcasecmp(el, "guid")) && (ri->chardata != NULL) ) {
- if (ri->guid != NULL) free(ri->guid);
- striplt(ri->chardata);
- ri->guid = strdup(ri->chardata);
+void RSSATOM_item_title_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->title, CData, NULL, 0);
+ StrBufTrim(ri->title);
}
+}
- if ( (!strcasecmp(el, "title")) && (ri->chardata != NULL) ) {
- if (ri->title != NULL) free(ri->title);
- striplt(ri->chardata);
- ri->title = strdup(ri->chardata);
+void ATOM_item_content_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ long olen = StrLength (ri->description);
+ long clen = StrLength (CData);
+ if (clen > 0)
+ {
+ if (olen == 0) {
+ NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
+ StrBufTrim(ri->description);
+ }
+ else if (olen < clen) {
+ FlushStrBuf(ri->description);
+ NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
+ StrBufTrim(ri->description);
+ }
+ }
+}
+void ATOM_item_summary_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ /* this can contain an abstract of the article. but we don't want to verwrite a full document if we already have it. */
+ if ((StrLength(CData) > 0) && (StrLength(ri->description) == 0))
+ {
+ NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
+ StrBufTrim(ri->description);
}
+}
- if ( (!strcasecmp(el, "link")) && (ri->chardata != NULL) ) {
- if (ri->link != NULL) free(ri->link);
- striplt(ri->chardata);
- ri->link = strdup(ri->chardata);
+void RSS_item_description_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ long olen = StrLength (ri->description);
+ long clen = StrLength (CData);
+ if (clen > 0)
+ {
+ if (olen == 0) {
+ NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
+ StrBufTrim(ri->description);
+ }
+ else if (olen < clen) {
+ FlushStrBuf(ri->description);
+ NewStrBufDupAppendFlush(&ri->description, CData, NULL, 0);
+ StrBufTrim(ri->description);
+ }
}
+}
- if ( (!strcasecmp(el, "description")) && (ri->chardata != NULL) ) {
- if (ri->description != NULL) free(ri->description);
- ri->description = strdup(ri->chardata);
+void ATOM_item_published_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ StrBufTrim(CData);
+ ri->pubdate = rdf_parsedate(ChrPtr(CData));
}
+}
- if ( ((!strcasecmp(el, "pubdate")) || (!strcasecmp(el, "date"))) && (ri->chardata != NULL) ) {
- striplt(ri->chardata);
- ri->pubdate = rdf_parsedate(ri->chardata);
+void ATOM_item_updated_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ StrBufTrim(CData);
+ ri->pubdate = rdf_parsedate(ChrPtr(CData));
}
+}
- if ( ((!strcasecmp(el, "author")) || (!strcasecmp(el, "creator"))) && (ri->chardata != NULL) ) {
- if (ri->author_or_creator != NULL) free(ri->author_or_creator);
- striplt(ri->chardata);
- ri->author_or_creator = strdup(ri->chardata);
+void RSS_item_pubdate_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ StrBufTrim(CData);
+ ri->pubdate = rdf_parsedate(ChrPtr(CData));
}
+}
- if (!strcasecmp(el, "item")) {
- --ri->item_tag_nesting;
- rss_save_item(ri);
+
+void RSS_item_date_end (StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ StrBufTrim(CData);
+ ri->pubdate = rdf_parsedate(ChrPtr(CData));
}
+}
+
+
- if ( (!strcasecmp(el, "rss")) || (!strcasecmp(el, "rdf")) ) {
- CtdlLogPrintf(CTDL_DEBUG, "End of feed detected. Closing parser.\n");
- ri->done_parsing = 1;
+void RSS_item_author_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->author_or_creator, CData, NULL, 0);
+ StrBufTrim(ri->author_or_creator);
}
+}
+
- if (ri->chardata_len > 0) {
- free(ri->chardata);
- ri->chardata = 0;
- ri->chardata_len = 0;
+void ATOM_item_name_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->author_or_creator, CData, NULL, 0);
+ StrBufTrim(ri->author_or_creator);
}
+}
+void ATOM_item_email_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->author_email, CData, NULL, 0);
+ StrBufTrim(ri->author_email);
+ }
+}
+
+void RSS_item_creator_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if ((StrLength(CData) > 0) &&
+ (StrLength(ri->author_or_creator) == 0))
+ {
+ NewStrBufDupAppendFlush(&ri->author_or_creator, CData, NULL, 0);
+ StrBufTrim(ri->author_or_creator);
+ }
+}
+
+
+void ATOM_item_uri_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ if (StrLength(CData) > 0) {
+ NewStrBufDupAppendFlush(&ri->author_url, CData, NULL, 0);
+ StrBufTrim(ri->author_url);
+ }
+}
+
+void RSS_item_item_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ --ri->item_tag_nesting;
+ rss_save_item(ri);
+}
+
+
+void ATOM_item_entry_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+ --ri->item_tag_nesting;
+ rss_save_item(ri);
+}
+
+void RSS_item_rss_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+// syslog(LOG_DEBUG, "End of feed detected. Closing parser.\n");
+ ri->done_parsing = 1;
+
+}
+void RSS_item_rdf_end(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
+// syslog(LOG_DEBUG, "End of feed detected. Closing parser.\n");
+ ri->done_parsing = 1;
+}
+
+
+void RSSATOM_item_ignore(StrBuf *CData, rss_item *ri, rssnetcfg *Cfg, const char** Attr)
+{
}
+
/*
* This callback stores up the data which appears in between tags.
*/
-void rss_xml_chardata(void *data, const XML_Char *s, int len) {
- struct rss_item *ri = (struct rss_item *) data;
- int old_len;
- int new_len;
- char *new_buffer;
+void rss_xml_cdata_start(void *data)
+{
+ rsscollection *rssc = (rsscollection*) data;
- old_len = ri->chardata_len;
- new_len = old_len + len;
- new_buffer = realloc(ri->chardata, new_len + 1);
- if (new_buffer != NULL) {
- memcpy(&new_buffer[old_len], s, len);
- new_buffer[new_len] = 0;
- ri->chardata = new_buffer;
- ri->chardata_len = new_len;
- }
+ FlushStrBuf(rssc->CData);
}
+void rss_xml_cdata_end(void *data)
+{
+}
+void rss_xml_chardata(void *data, const XML_Char *s, int len)
+{
+ rsscollection *rssc = (rsscollection*) data;
+ StrBufAppendBufPlain (rssc->CData, s, len, 0);
+}
/*
* Callback function for passing libcurl's output to expat for parsing
/*
* Begin a feed parse
*/
-void rss_do_fetching(char *url, char *rooms) {
- struct rss_item ri;
- XML_Parser xp;
+void rss_do_fetching(rssnetcfg *Cfg) {
+ rsscollection rssc;
+ rss_item ri;
+ XML_Parser xp = NULL;
+ StrBuf *Answer;
CURL *curl;
CURLcode res;
char errmsg[1024] = "";
+ char *ptr;
+ const char *at;
+ long len;
- CtdlLogPrintf(CTDL_DEBUG, "Fetching RSS feed <%s>\n", url);
+ time_t now;
- curl = curl_easy_init();
- if (!curl) {
- CtdlLogPrintf(CTDL_ALERT, "Unable to initialize libcurl.\n");
+ now = time(NULL);
+
+ if ((Cfg->next_poll != 0) && (now < Cfg->next_poll))
return;
- }
+ memset(&ri, 0, sizeof(rss_item));
+ rssc.Item = &ri;
+ rssc.Cfg = Cfg;
- xp = XML_ParserCreateNS("UTF-8", ':');
- if (!xp) {
- CtdlLogPrintf(CTDL_ALERT, "Cannot create XML parser!\n");
- curl_easy_cleanup(curl);
+ syslog(LOG_DEBUG, "Fetching RSS feed <%s>\n", Cfg->url);
+
+ curl = curl_easy_init();
+ if (!curl) {
+ syslog(LOG_ALERT, "Unable to initialize libcurl.\n");
return;
}
+ Answer = NewStrBufPlain(NULL, SIZ);
- curl_easy_setopt(curl, CURLOPT_URL, url);
+ curl_easy_setopt(curl, CURLOPT_URL, Cfg->url);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, xp);
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, rss_libcurl_callback);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, Answer);
+// curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, rss_libcurl_callback);
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlFillStrBuf_callback);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errmsg);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
#ifdef CURLOPT_HTTP_CONTENT_DECODING
#endif
curl_easy_setopt(curl, CURLOPT_USERAGENT, CITADEL);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 180); /* die after 180 seconds */
- if (!IsEmptyStr(config.c_ip_addr)) {
+ if (
+ (!IsEmptyStr(config.c_ip_addr))
+ && (strcmp(config.c_ip_addr, "*"))
+ && (strcmp(config.c_ip_addr, "::"))
+ && (strcmp(config.c_ip_addr, "0.0.0.0"))
+ ) {
curl_easy_setopt(curl, CURLOPT_INTERFACE, config.c_ip_addr);
}
- memset(&ri, 0, sizeof(struct rss_item));
- ri.roomlist = rooms;
- XML_SetElementHandler(xp, rss_xml_start, rss_xml_end);
- XML_SetCharacterDataHandler(xp, rss_xml_chardata);
- XML_SetUserData(xp, &ri);
-
- if (CtdlThreadCheckStop())
+ if (server_shutting_down)
{
- XML_ParserFree(xp);
curl_easy_cleanup(curl);
return;
}
- if (CtdlThreadCheckStop())
+ if (server_shutting_down)
goto shutdown ;
res = curl_easy_perform(curl);
if (res) {
- CtdlLogPrintf(CTDL_ALERT, "libcurl error %d: %s\n", res, errmsg);
+ syslog(LOG_ALERT, "libcurl error %d: %s\n", res, errmsg);
}
- if (CtdlThreadCheckStop())
+ if (server_shutting_down)
goto shutdown ;
- if (ri.done_parsing == 0) XML_Parse(xp, "", 0, 1);
+
+ memset(&ri, 0, sizeof(rss_item));
+ ri.roomlist = Cfg->rooms;
+ rssc.CData = NewStrBufPlain(NULL, SIZ);
+ rssc.Key = NewStrBuf();
+ at = NULL;
+ StrBufSipLine(rssc.Key, Answer, &at);
+ ptr = NULL;
+
+#define encoding "encoding=\""
+ ptr = strstr(ChrPtr(rssc.Key), encoding);
+ if (ptr != NULL)
+ {
+ char *pche;
+
+ ptr += sizeof (encoding) - 1;
+ pche = strchr(ptr, '"');
+ if (pche != NULL)
+ StrBufCutAt(rssc.Key, -1, pche);
+ else
+ ptr = "UTF-8";
+ }
+ else
+ ptr = "UTF-8";
+
+
+ xp = XML_ParserCreateNS(ptr, ':');
+ if (!xp) {
+ syslog(LOG_ALERT, "Cannot create XML parser!\n");
+ goto shutdown;
+ }
+ FlushStrBuf(rssc.Key);
+//#ifdef HAVE_ICONV
+#if 0
+ XML_SetUnknownEncodingHandler(xp,
+ handle_unknown_xml_encoding,
+ &rssc);
+#endif
+//#endif
+ XML_SetElementHandler(xp, rss_xml_start, rss_xml_end);
+ XML_SetCharacterDataHandler(xp, rss_xml_chardata);
+ XML_SetUserData(xp, &rssc);
+ XML_SetCdataSectionHandler(xp,
+ rss_xml_cdata_start,
+ rss_xml_cdata_end);
+
+
+ len = StrLength(Answer);
+ ptr = SmashStrBuf(&Answer);
+ XML_Parse(xp, ptr, len, 0);
+ free (ptr);
+ if (ri.done_parsing == 0)
+ XML_Parse(xp, "", 0, 1);
+
+
+ syslog(LOG_ALERT, "RSS: XML Status [%s] \n",
+ XML_ErrorString(
+ XML_GetErrorCode(xp)));
+
shutdown:
+ FreeStrBuf(&Answer);
curl_easy_cleanup(curl);
XML_ParserFree(xp);
- /* Free the feed item data structure */
- if (ri.guid != NULL) free(ri.guid);
- ri.guid = NULL;
- if (ri.title != NULL) free(ri.title);
- ri.title = NULL;
- if (ri.link != NULL) free(ri.link);
- ri.link = NULL;
- if (ri.author_or_creator != NULL) free(ri.author_or_creator);
- ri.author_or_creator = NULL;
- if (ri.description != NULL) free(ri.description);
- ri.description = NULL;
- if (ri.chardata_len > 0) {
- free(ri.chardata);
- ri.chardata = 0;
- ri.chardata_len = 0;
- }
+ flush_rss_item(&ri);
+ FreeStrBuf(&rssc.CData);
+ FreeStrBuf(&rssc.Key);
+
+ Cfg->next_poll = time(NULL) + config.c_net_freq;
}
char instr[32];
FILE *fp;
char feedurl[256];
- struct rssnetcfg *rncptr = NULL;
- struct rssnetcfg *use_this_rncptr = NULL;
+ rssnetcfg *rncptr = NULL;
+ rssnetcfg *use_this_rncptr = NULL;
int len = 0;
char *ptr = NULL;
assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
- if (CtdlThreadCheckStop())
+ if (server_shutting_down)
return;
/* Only do net processing for rooms that have netconfigs */
return;
}
- while (fgets(buf, sizeof buf, fp) != NULL && !CtdlThreadCheckStop()) {
+ while (fgets(buf, sizeof buf, fp) != NULL && !server_shutting_down) {
buf[strlen(buf)-1] = 0;
extract_token(instr, buf, 0, '|', sizeof instr);
/* Otherwise create a new client request */
if (use_this_rncptr == NULL) {
- rncptr = (struct rssnetcfg *) malloc(sizeof(struct rssnetcfg));
+ rncptr = (rssnetcfg *) malloc(sizeof(rssnetcfg));
+ memset(rncptr, 0, sizeof(rssnetcfg));
+ rncptr->ItemType = RSS_UNSET;
if (rncptr != NULL) {
rncptr->next = rnclist;
safestrncpy(rncptr->url, feedurl, sizeof rncptr->url);
/*
* Scan for rooms that have RSS client requests configured
*/
-void *rssclient_scan(void *args) {
+void rssclient_scan(void) {
static time_t last_run = 0L;
static int doing_rssclient = 0;
- struct rssnetcfg *rptr = NULL;
- struct CitContext rssclientCC;
-
- /* Give this thread its own private CitContext */
- CtdlFillSystemContext(&rssclientCC, "rssclient");
- citthread_setspecific(MyConKey, (void *)&rssclientCC );
+ rssnetcfg *rptr = NULL;
- CtdlThreadAllocTSD();
+ /* Run no more than once every 15 minutes. */
+ if ((time(NULL) - last_run) < 900) {
+ return;
+ }
/*
* This is a simple concurrency check to make sure only one rssclient run
* don't really require extremely fine granularity here, we'll do it
* with a static variable instead.
*/
- if (doing_rssclient) return NULL;
+ if (doing_rssclient) return;
doing_rssclient = 1;
- CtdlLogPrintf(CTDL_DEBUG, "rssclient started\n");
- ForEachRoom(rssclient_scan_room, NULL);
+ syslog(LOG_DEBUG, "rssclient started\n");
+ CtdlForEachRoom(rssclient_scan_room, NULL);
- while (rnclist != NULL && !CtdlThreadCheckStop()) {
- rss_do_fetching(rnclist->url, rnclist->rooms);
+ while (rnclist != NULL && !server_shutting_down) {
+ rss_do_fetching(rnclist);
rptr = rnclist;
rnclist = rnclist->next;
if (rptr->rooms != NULL) free(rptr->rooms);
free(rptr);
}
- CtdlLogPrintf(CTDL_DEBUG, "rssclient ended\n");
+ syslog(LOG_DEBUG, "rssclient ended\n");
last_run = time(NULL);
doing_rssclient = 0;
- if (!CtdlThreadCheckStop())
- CtdlThreadSchedule ("RSS Client", CTDLTHREAD_BIGSTACK, rssclient_scan, NULL, last_run + config.c_net_freq);
- else
- CtdlLogPrintf(CTDL_DEBUG, "rssclient: Task STOPPED.\n");
- return NULL;
+ return;
+}
+
+void LoadUrlShorteners(void)
+{
+ int i = 0;
+ int fd;
+ const char *POS = NULL;
+ const char *Err = NULL;
+ StrBuf *Content, *Line;
+
+
+ UrlShorteners = NewHash(0, Flathash);
+
+ fd = open(file_citadel_urlshorteners, 0);
+
+ if (fd != 0)
+ {
+ Content = NewStrBufPlain(NULL, SIZ);
+ Line = NewStrBuf();
+ while (POS != StrBufNOTNULL)
+ {
+ StrBufTCP_read_buffered_line_fast (Line, Content, &POS, &fd, 1, 1, &Err);
+ StrBufTrim(Line);
+ if ((*ChrPtr(Line) != '#') && (StrLength(Line) > 0))
+ {
+ Put(UrlShorteners, IKEY(i), Line, HFreeStrBuf);
+ i++;
+ Line = NewStrBuf();
+ }
+ else
+ FlushStrBuf(Line);
+ if (POS == NULL)
+ POS = StrBufNOTNULL;
+ }
+ FreeStrBuf(&Line);
+ FreeStrBuf(&Content);
+ }
+ close(fd);
}
+void rss_cleanup(void)
+{
+ DeleteHash(&StartHandlers);
+ DeleteHash(&EndHandlers);
+ DeleteHash(&UrlShorteners);
+ DeleteHash(&KnownNameSpaces);
+}
CTDL_MODULE_INIT(rssclient)
{
if (threading)
{
- CtdlLogPrintf(CTDL_INFO, "%s\n", curl_version());
- CtdlThreadSchedule ("RSS Client", CTDLTHREAD_BIGSTACK, rssclient_scan, NULL, 0);
+ syslog(LOG_INFO, "%s\n", curl_version());
+ CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER);
+ }
+ else
+ {
+ LoadUrlShorteners ();
+
+ StartHandlers = NewHash(1, NULL);
+ EndHandlers = NewHash(1, NULL);
+
+ AddRSSStartHandler(RSS_item_rss_start, RSS_UNSET, HKEY("rss"));
+ AddRSSStartHandler(RSS_item_rdf_start, RSS_UNSET, HKEY("rdf"));
+ AddRSSStartHandler(ATOM_item_feed_start, RSS_UNSET, HKEY("feed"));
+ AddRSSStartHandler(RSS_item_item_start, RSS_RSS, HKEY("item"));
+ AddRSSStartHandler(ATOM_item_entry_start, RSS_ATOM, HKEY("entry"));
+ AddRSSStartHandler(ATOM_item_link_start, RSS_ATOM, HKEY("link"));
+
+ AddRSSEndHandler(ATOMRSS_item_title_end, RSS_ATOM|RSS_RSS|RSS_REQUIRE_BUF, HKEY("title"));
+ AddRSSEndHandler(RSS_item_guid_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("guid"));
+ AddRSSEndHandler(ATOM_item_id_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("id"));
+ AddRSSEndHandler(RSS_item_link_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("link"));
+#if 0
+// hm, rss to the comments of that blog, might be interesting in future, but...
+ AddRSSEndHandler(RSS_item_relink_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("commentrss"));
+// comment count...
+ AddRSSEndHandler(RSS_item_relink_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("comments"));
+#endif
+ AddRSSEndHandler(RSSATOM_item_title_end, RSS_ATOM|RSS_RSS|RSS_REQUIRE_BUF, HKEY("title"));
+ AddRSSEndHandler(ATOM_item_content_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("content"));
+ AddRSSEndHandler(RSS_item_description_end, RSS_RSS|RSS_ATOM|RSS_REQUIRE_BUF, HKEY("encoded"));
+ AddRSSEndHandler(ATOM_item_summary_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("summary"));
+ AddRSSEndHandler(RSS_item_description_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("description"));
+ AddRSSEndHandler(ATOM_item_published_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("published"));
+ AddRSSEndHandler(ATOM_item_updated_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("updated"));
+ AddRSSEndHandler(RSS_item_pubdate_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("pubdate"));
+ AddRSSEndHandler(RSS_item_date_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("date"));
+ AddRSSEndHandler(RSS_item_author_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("author"));
+ AddRSSEndHandler(RSS_item_creator_end, RSS_RSS|RSS_REQUIRE_BUF, HKEY("creator"));
+/* <author> */
+ AddRSSEndHandler(ATOM_item_email_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("email"));
+ AddRSSEndHandler(ATOM_item_name_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("name"));
+ AddRSSEndHandler(ATOM_item_uri_end, RSS_ATOM|RSS_REQUIRE_BUF, HKEY("uri"));
+/* </author> */
+ AddRSSEndHandler(RSS_item_item_end, RSS_RSS, HKEY("item"));
+ AddRSSEndHandler(RSS_item_rss_end, RSS_RSS, HKEY("rss"));
+ AddRSSEndHandler(RSS_item_rdf_end, RSS_RSS, HKEY("rdf"));
+ AddRSSEndHandler(ATOM_item_entry_end, RSS_ATOM, HKEY("entry"));
+
+
+/* at the start of atoms: <seq> <li>link to resource</li></seq> ignore them. */
+ AddRSSStartHandler(RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("seq"));
+ AddRSSEndHandler (RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("seq"));
+ AddRSSStartHandler(RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("li"));
+ AddRSSEndHandler (RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("li"));
+
+/* links to other feed generators... */
+ AddRSSStartHandler(RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("feedflare"));
+ AddRSSEndHandler (RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("feedflare"));
+ AddRSSStartHandler(RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("browserfriendly"));
+ AddRSSEndHandler (RSSATOM_item_ignore, RSS_RSS|RSS_ATOM, HKEY("browserfriendly"));
+
+ KnownNameSpaces = NewHash(1, NULL);
+ Put(KnownNameSpaces, HKEY("http://a9.com/-/spec/opensearch/1.1/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://a9.com/-/spec/opensearchrss/1.0/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://backend.userland.com/creativeCommonsRssModule"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/atom/ns#"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/dc/elements/1.1/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/modules/content/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/modules/slash/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/modules/syndication/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/rss/1.0/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://purl.org/syndication/thread/1.0"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://rssnamespace.org/feedburner/ext/1.0"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://schemas.google.com/g/2005"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://webns.net/mvcb/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://web.resource.org/cc/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://wellformedweb.org/CommentAPI/"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://www.georss.org/georss"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://www.w3.org/1999/xhtml"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://www.w3.org/1999/02/22-rdf-syntax-ns#"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://www.w3.org/1999/02/22-rdf-syntax-ns#"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://www.w3.org/2003/01/geo/wgs84_pos#"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("http://www.w3.org/2005/Atom"), NULL, reference_free_handler);
+ Put(KnownNameSpaces, HKEY("urn:flickr:"), NULL, reference_free_handler);
+#if 0
+ /* we don't like these namespaces because of they shadow our usefull parameters. */
+ Put(KnownNameSpaces, HKEY("http://search.yahoo.com/mrss/"), NULL, reference_free_handler);
+#endif
+ CtdlRegisterCleanupHook(rss_cleanup);
}
- /* return our Subversion id for the Log */
- return "$Id$";
+ return "rssclient";
}
projects / citadel.git / blobdiff