/*
- * $Id: serv_rssclient.c 5652 2007-10-29 20:14:48Z ajc $
- *
* Bring external RSS feeds into rooms.
*
+ * Copyright (c) 2007-2016 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 <stdlib.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
-# include <sys/time.h>
+#include <sys/time.h>
# else
-# include <time.h>
+#include <time.h>
# endif
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <expat.h>
+#include <curl/curl.h>
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "citserver.h"
#include "support.h"
#include "config.h"
-#include "tools.h"
-#include "room_ops.h"
+#include "threads.h"
#include "ctdl_module.h"
-#include "clientsocket.h"
#include "msgbase.h"
+#include "parsedate.h"
#include "database.h"
#include "citadel_dirs.h"
#include "md5.h"
+#include "context.h"
+#include "event_client.h"
+#include "rss_atom_parser.h"
-#ifdef HAVE_EXPAT
-#include <expat.h>
+#define TMP_MSGDATA 0xFF
+#define TMP_SHORTER_URL_OFFSET 0xFE
+#define TMP_SHORTER_URLS 0xFD
-struct rssnetcfg {
- struct rssnetcfg *next;
- char url[256];
- char *rooms;
-};
+time_t last_run = 0L;
-struct rss_item {
- char *chardata;
- int chardata_len;
- char *roomlist;
- int done_parsing;
- char *guid;
- char *title;
- char *link;
- char *description;
- time_t pubdate;
- char channel_title[256];
- int item_tag_nesting;
-};
-
-struct rssnetcfg *rnclist = NULL;
+pthread_mutex_t RSSQueueMutex; /* locks the access to the following vars: */
+HashList *RSSQueueRooms = NULL; /* rss_room_counter */
+HashList *RSSFetchUrls = NULL; /*->rss_aggregator;->RefCount access locked*/
+eNextState RSSAggregator_Terminate(AsyncIO *IO);
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO);
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO);
+struct CitContext rss_CC;
-/*
- * Commit a fetched and parsed RSS item to disk
- */
-void rss_save_item(struct rss_item *ri) {
+struct rssnetcfg *rnclist = NULL;
+int RSSClientDebugEnabled = 0;
+#define N ((rss_aggregator*)IO->Data)->Cfg.QRnumber
+
+#define DBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (RSSClientDebugEnabled != 0))
+
+typedef enum _RSSState {
+ eRSSCreated,
+ eRSSFetching,
+ eRSSFailure,
+ eRSSParsing,
+ eRSSUT
+} RSSState;
+ConstStr RSSStates[] = {
+ {HKEY("Aggregator created")},
+ {HKEY("Fetching content")},
+ {HKEY("Failed")},
+ {HKEY("parsing content")},
+ {HKEY("checking usetable")}
+};
- struct MD5Context md5context;
- u_char rawdigest[MD5_DIGEST_LEN];
- int i;
- char utmsgid[SIZ];
- struct cdbdata *cdbut;
- struct UseTable ut;
- struct CtdlMessage *msg;
- struct recptypes *recp = NULL;
- int msglen = 0;
- recp = (struct recptypes *) malloc(sizeof(struct recptypes));
- if (recp == NULL) return;
- memset(recp, 0, sizeof(struct recptypes));
- recp->recp_room = strdup(ri->roomlist);
- recp->num_room = num_tokens(ri->roomlist, '|');
- recp->recptypes_magic = RECPTYPES_MAGIC;
-
- /* Construct a GUID to use in the S_USETABLE table.
- * If one is not present in the item itself, make one up.
- */
- if (ri->guid != NULL) {
- snprintf(utmsgid, sizeof utmsgid, "rss/%s", ri->guid);
- }
- else {
- MD5Init(&md5context);
- if (ri->title != NULL) {
- MD5Update(&md5context, ri->title, strlen(ri->title));
- }
- if (ri->link != NULL) {
- MD5Update(&md5context, ri->link, strlen(ri->link));
+static 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)
+ {
+ AsyncIO *IO = (AsyncIO *) userdata;
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+
+ char *pch = (char*) ptr;
+ char *pche;
+
+ pche = pch + (size * nmemb);
+ pch += sizeof(LOCATION);
+
+ while (isspace(*pch) || (*pch == ':'))
+ pch ++;
+
+ while (isspace(*pche) || (*pche == '\0'))
+ pche--;
+ if (RSSAggr->RedirectUrl == NULL) {
+ RSSAggr->RedirectUrl = NewStrBufPlain(pch, pche - pch + 1);
}
- MD5Final(rawdigest, &md5context);
- for (i=0; i<MD5_DIGEST_LEN; i++) {
- sprintf(&utmsgid[i*2], "%02X", (unsigned char) (rawdigest[i] & 0xff));
- utmsgid[i*2] = tolower(utmsgid[i*2]);
- utmsgid[(i*2)+1] = tolower(utmsgid[(i*2)+1]);
+ else {
+ FlushStrBuf(RSSAggr->RedirectUrl);
+ StrBufPlain(RSSAggr->RedirectUrl, pch, pche - pch + 1);
}
- strcat(utmsgid, "_rss2ctdl");
}
+ return size * nmemb;
+}
- /* Find out if we've already seen this item */
- cdbut = cdb_fetch(CDB_USETABLE, utmsgid, strlen(utmsgid));
- if (cdbut != NULL) {
- /* Item has already been seen */
- lprintf(CTDL_DEBUG, "%s has already been seen\n", utmsgid);
- cdb_free(cdbut);
- /* rewrite the record anyway, to update the timestamp */
- strcpy(ut.ut_msgid, utmsgid);
- ut.ut_timestamp = time(NULL);
- cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid), &ut, sizeof(struct UseTable) );
+static void SetRSSState(AsyncIO *IO, RSSState State)
+{
+ CitContext* CCC = IO->CitContext;
+ if (CCC != NULL) {
+ memcpy(CCC->cs_clientname, RSSStates[State].Key, RSSStates[State].len + 1);
}
- else {
- /* Item has not been seen, so save it. */
+}
- for (i=strlen(ri->description); i>=0; --i) {
- if (isspace(ri->description[i])) {
- ri->description[i] = ' ';
- }
+
+void DeleteRoomReference(long QRnumber)
+{
+ HashPos *At;
+ long HKLen;
+ const char *HK;
+ void *vData = NULL;
+ rss_room_counter *pRoomC;
+
+ At = GetNewHashPos(RSSQueueRooms, 0);
+
+ if (GetHashPosFromKey(RSSQueueRooms, LKEY(QRnumber), At))
+ {
+ GetHashPos(RSSQueueRooms, At, &HKLen, &HK, &vData);
+ if (vData != NULL)
+ {
+ pRoomC = (rss_room_counter *) vData;
+ pRoomC->count --;
+ if (pRoomC->count == 0)
+ DeleteEntryFromHash(RSSQueueRooms, At);
}
+ }
+ DeleteHashPos(&At);
+}
- 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;
- msg->cm_fields['A'] = strdup("rss");
- msg->cm_fields['N'] = strdup(NODENAME);
- msg->cm_fields['U'] = strdup(ri->title);
- msg->cm_fields['T'] = malloc(64);
- snprintf(msg->cm_fields['T'], 64, "%ld", ri->pubdate);
- if (!IsEmptyStr(ri->channel_title)) {
- msg->cm_fields['O'] = strdup(ri->channel_title);
+void UnlinkRooms(rss_aggregator *RSSAggr)
+{
+ DeleteRoomReference(RSSAggr->Cfg.QRnumber);
+ if (RSSAggr->OtherQRnumbers != NULL)
+ {
+ long HKLen;
+ const char *HK;
+ HashPos *At;
+ void *vData;
+
+ At = GetNewHashPos(RSSAggr->OtherQRnumbers, 0);
+ while (! server_shutting_down &&
+ GetNextHashPos(RSSAggr->OtherQRnumbers,
+ At,
+ &HKLen, &HK,
+ &vData) &&
+ (vData != NULL))
+ {
+ pRSSConfig *Data = (pRSSConfig*) vData;
+ DeleteRoomReference(Data->QRnumber);
}
- 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
- );
+ DeleteHashPos(&At);
+ }
+}
- CtdlSubmitMsg(msg, recp, NULL);
- CtdlFreeMessage(msg);
- free_recipients(recp);
+void UnlinkRSSAggregator(rss_aggregator *RSSAggr)
+{
+ HashPos *At;
- /* write the uidl to the use table so we don't store this item again */
- strcpy(ut.ut_msgid, utmsgid);
- ut.ut_timestamp = time(NULL);
- cdb_store(CDB_USETABLE, utmsgid, strlen(utmsgid), &ut, sizeof(struct UseTable) );
+ pthread_mutex_lock(&RSSQueueMutex);
+ UnlinkRooms(RSSAggr);
+
+ At = GetNewHashPos(RSSFetchUrls, 0);
+ if (GetHashPosFromKey(RSSFetchUrls, SKEY(RSSAggr->Url), At))
+ {
+ DeleteEntryFromHash(RSSFetchUrls, At);
}
+ DeleteHashPos(&At);
+ last_run = time(NULL);
+ pthread_mutex_unlock(&RSSQueueMutex);
}
+void DeleteRssCfg(void *vptr)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)vptr;
+ AsyncIO *IO = &RSSAggr->IO;
+ if (IO->CitContext != NULL) {
+ syslog(LOG_DEBUG, "RSS: destroying\n");
+ }
-/*
- * Convert an RDF/RSS datestamp into a time_t
- */
-time_t rdf_parsedate(char *p)
-{
- struct tm tm;
+ FreeStrBuf(&RSSAggr->Url);
+ FreeStrBuf(&RSSAggr->RedirectUrl);
+ FreeStrBuf(&RSSAggr->rooms);
+ FreeStrBuf(&RSSAggr->CData);
+ FreeStrBuf(&RSSAggr->Key);
+ DeleteHash(&RSSAggr->OtherQRnumbers);
- if (!p) return 0L;
- if (strlen(p) < 10) return 0L;
+ DeleteHashPos (&RSSAggr->Pos);
+ DeleteHash (&RSSAggr->Messages);
+ if (RSSAggr->recp.recp_room != NULL)
+ free(RSSAggr->recp.recp_room);
- memset(&tm, 0, sizeof tm);
- /* YYYY-MM-DDTHH:MM format...
- */
- if ( (p[4] == '-') && (p[7] == '-') ) {
- tm.tm_year = atoi(&p[0]) - 1900;
- tm.tm_mon = atoi(&p[5]) - 1;
- tm.tm_mday = atoi(&p[8]);
- if ( (p[10] == 'T') && (p[13] == ':') ) {
- tm.tm_hour = atoi(&p[11]);
- tm.tm_min = atoi(&p[14]);
- }
- }
+ if (RSSAggr->Item != NULL)
+ {
+ flush_rss_item(RSSAggr->Item);
- else {
- /* FIXME try an imap timestamp conversion */
+ free(RSSAggr->Item);
}
- return mktime(&tm);
+ FreeAsyncIOContents(&RSSAggr->IO);
+ memset(RSSAggr, 0, sizeof(rss_aggregator));
+ free(RSSAggr);
}
+eNextState RSSAggregator_Terminate(AsyncIO *IO)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+ syslog(LOG_DEBUG, "RSS: Terminating.");
-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;
-
- /* Axe the namespace, we don't care about it */
- safestrncpy(el, supplied_el, sizeof el);
- while (sep = strchr(el, ':'), sep) {
- strcpy(el, ++sep);
- }
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
- if (!strcasecmp(el, "item")) {
- ++ri->item_tag_nesting;
-
- /* 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->description != NULL) free(ri->description);
- ri->description = NULL;
-
- /* Throw away any existing character data */
- if (ri->chardata_len > 0) {
- free(ri->chardata);
- ri->chardata = 0;
- ri->chardata_len = 0;
- }
- }
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+ syslog(LOG_DEBUG, "RSS: Terminating.");
+ StopDBWatchers(&RSSAggr->IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
}
-void rss_xml_end(void *data, const char *supplied_el) {
- struct rss_item *ri = (struct rss_item *) data;
- char el[256];
- char *sep = NULL;
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO)
+{
+ const char *pUrl;
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
- /* Axe the namespace, we don't care about it */
- safestrncpy(el, supplied_el, sizeof el);
- while (sep = strchr(el, ':'), sep) {
- strcpy(el, ++sep);
- }
+ pUrl = IO->ConnectMe->PlainUrl;
+ if (pUrl == NULL)
+ pUrl = "";
- if ( (!strcasecmp(el, "title")) && (ri->item_tag_nesting == 0) ) {
- safestrncpy(ri->channel_title, ri->chardata, sizeof ri->channel_title);
- striplt(ri->channel_title);
- }
+ syslog(LOG_DEBUG, "RSS: Aborting by shutdown: %s.", pUrl);
- if (!strcasecmp(el, "guid")) {
- if (ri->guid != NULL) free(ri->guid);
- striplt(ri->chardata);
- ri->guid = strdup(ri->chardata);
- }
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
- if (!strcasecmp(el, "title")) {
- if (ri->title != NULL) free(ri->title);
- striplt(ri->chardata);
- ri->title = strdup(ri->chardata);
+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);
}
+}
- if (!strcasecmp(el, "link")) {
- if (ri->link != NULL) free(ri->link);
- striplt(ri->chardata);
- ri->link = strdup(ri->chardata);
- }
- if (!strcasecmp(el, "description")) {
- if (ri->description != NULL) free(ri->description);
- ri->description = strdup(ri->chardata);
- }
+int rss_format_item(AsyncIO *IO, networker_save_message *SaveMsg)
+{
+ StrBuf *Message;
+ int msglen = 0;
- if ( (!strcasecmp(el, "pubdate")) || (!strcasecmp(el, "date")) ) {
- striplt(ri->chardata);
- ri->pubdate = rdf_parsedate(ri->chardata);
- }
+ if (StrLength(SaveMsg->description) +
+ StrLength(SaveMsg->link) +
+ StrLength(SaveMsg->linkTitle) +
+ StrLength(SaveMsg->reLink) +
+ StrLength(SaveMsg->reLinkTitle) +
+ StrLength(SaveMsg->title) == 0)
+ {
+ syslog(LOG_INFO, "Refusing to save empty message.");
+ return 0;
+ }
+
+ CM_Flush(&SaveMsg->Msg);
+
+ if (SaveMsg->author_or_creator != NULL) {
+
+ char *From;
+ StrBuf *Encoded = NULL;
+ int FromAt;
+
+ From = html_to_ascii(ChrPtr(SaveMsg->author_or_creator),
+ StrLength(SaveMsg->author_or_creator),
+ 512, 0);
+ StrBufPlain(SaveMsg->author_or_creator, From, -1);
+ StrBufTrim(SaveMsg->author_or_creator);
+ free(From);
+
+ FromAt = strchr(ChrPtr(SaveMsg->author_or_creator), '@') != NULL;
+ if (!FromAt && StrLength (SaveMsg->author_email) > 0)
+ {
+ StrBufRFC2047encode(&Encoded, SaveMsg->author_or_creator);
+ CM_SetAsFieldSB(&SaveMsg->Msg, eAuthor, &Encoded);
+ CM_SetAsFieldSB(&SaveMsg->Msg, eMessagePath, &SaveMsg->author_email);
+ }
+ else
+ {
+ if (FromAt)
+ {
+ CM_SetAsFieldSB(&SaveMsg->Msg, eAuthor, &SaveMsg->author_or_creator);
+ CM_CopyField(&SaveMsg->Msg, eMessagePath, eAuthor);
+ }
+ else
+ {
+ StrBufRFC2047encode(&Encoded,
+ SaveMsg->author_or_creator);
+ CM_SetAsFieldSB(&SaveMsg->Msg, eAuthor, &Encoded);
+ CM_SetField(&SaveMsg->Msg, eMessagePath, HKEY("rss@localhost"));
- if (!strcasecmp(el, "item")) {
- --ri->item_tag_nesting;
- rss_save_item(ri);
+ }
+ }
}
-
- if ( (!strcasecmp(el, "rss")) || (!strcasecmp(el, "rdf")) ) {
- lprintf(CTDL_DEBUG, "End of feed detected. Closing parser.\n");
- ri->done_parsing = 1;
+ else {
+ CM_SetField(&SaveMsg->Msg, eAuthor, HKEY("rss"));
+ }
+
+ CM_SetField(&SaveMsg->Msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
+ if (SaveMsg->title != NULL) {
+ long len;
+ char *Sbj;
+ StrBuf *Encoded, *QPEncoded;
+
+ QPEncoded = NULL;
+ StrBufSpaceToBlank(SaveMsg->title);
+ len = StrLength(SaveMsg->title);
+ Sbj = html_to_ascii(ChrPtr(SaveMsg->title), len, 512, 0);
+ if (!IsEmptyStr(Sbj)) {
+ len = strlen(Sbj);
+ if ((Sbj[len - 1] == '\n'))
+ {
+ len --;
+ Sbj[len] = '\0';
+ }
+ Encoded = NewStrBufPlain(Sbj, len);
+
+
+ StrBufTrim(Encoded);
+ StrBufRFC2047encode(&QPEncoded, Encoded);
+
+ CM_SetAsFieldSB(&SaveMsg->Msg, eMsgSubject, &QPEncoded);
+ FreeStrBuf(&Encoded);
+ }
+ if (Sbj != NULL) {
+ free(Sbj);
+ }
}
+ if (SaveMsg->link == NULL)
+ SaveMsg->link = NewStrBufPlain(HKEY(""));
- if (ri->chardata_len > 0) {
- free(ri->chardata);
- ri->chardata = 0;
- ri->chardata_len = 0;
- }
+#if 0 /* temporarily disable shorter urls. */
+ SaveMsg->Msg.cm_fields[TMP_SHORTER_URLS] =
+ GetShorterUrls(SaveMsg->description);
+#endif
-}
+ msglen += 1024 + StrLength(SaveMsg->link) + StrLength(SaveMsg->description) ;
+ Message = NewStrBufPlain(NULL, msglen);
-/*
- * 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;
-
- 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;
- }
-}
+ StrBufPlain(Message, HKEY(
+ "Content-type: text/html; charset=\"UTF-8\"\r\n\r\n"
+ "<html><body>\n"));
+#if 0 /* disable shorter url for now. */
+ SaveMsg->Msg.cm_fields[TMP_SHORTER_URL_OFFSET] = StrLength(Message);
+#endif
+ StrBufAppendBuf(Message, SaveMsg->description, 0);
+ StrBufAppendBufPlain(Message, HKEY("<br><br>\n"), 0);
+ AppendLink(Message, SaveMsg->link, SaveMsg->linkTitle, NULL);
+ AppendLink(Message, SaveMsg->reLink, SaveMsg->reLinkTitle, "Reply to this");
+ StrBufAppendBufPlain(Message, HKEY("</body></html>\n"), 0);
+ SaveMsg->Message = Message;
+ return 1;
+}
-/*
- * Parse a URL into host, port number, and resource identifier.
- */
-int parse_url(char *url, char *hostname, int *port, char *identifier)
+eNextState RSSSaveMessage(AsyncIO *IO)
{
- char protocol[1024];
- char scratch[1024];
- char *ptr = NULL;
- char *nptr = NULL;
-
- strcpy(scratch, url);
- ptr = (char *)strchr(scratch, ':');
- if (!ptr) {
- return(1); /* no protocol specified */
- }
+ long len;
+ const char *Key;
+ rss_aggregator *RSSAggr = (rss_aggregator *) IO->Data;
- strcpy(ptr, "");
- strcpy(protocol, scratch);
- if (strcmp(protocol, "http")) {
- return(2); /* not HTTP */
- }
+ if (rss_format_item(IO, RSSAggr->ThisMsg))
+ {
+ CM_SetAsFieldSB(&RSSAggr->ThisMsg->Msg, eMesageText,
+ &RSSAggr->ThisMsg->Message);
- strcpy(scratch, url);
- ptr = (char *) strstr(scratch, "//");
- if (!ptr) {
- return(3); /* no server specified */
+ CtdlSubmitMsg(&RSSAggr->ThisMsg->Msg, &RSSAggr->recp, NULL, 0);
+
+ /* write the uidl to the use table so we don't store this item again */
+
+ CheckIfAlreadySeen("RSS Item Insert", RSSAggr->ThisMsg->MsgGUID, EvGetNow(IO), 0, eWrite, CCID, IO->ID);
}
- ptr += 2;
- strcpy(hostname, ptr);
- nptr = (char *)strchr(ptr, ':');
- if (!nptr) {
- *port = 80; /* default */
- nptr = (char *)strchr(hostname, '/');
- }
- else {
- sscanf(nptr, ":%d", port);
- nptr = (char *)strchr(hostname, ':');
- }
+ if (GetNextHashPos(RSSAggr->Messages,
+ RSSAggr->Pos,
+ &len, &Key,
+ (void**) &RSSAggr->ThisMsg))
+ return NextDBOperation(IO, RSS_FetchNetworkUsetableEntry);
+ else
+ return eAbort;
+}
+
+eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO)
+{
+ static const time_t antiExpire = USETABLE_ANTIEXPIRE_HIRES;
+#ifndef DEBUG_RSS
+ time_t seenstamp = 0;
+ const char *Key;
+ long len;
+ rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
- if (nptr) {
- *nptr = '\0';
+ /* Find out if we've already seen this item */
+// todo: expiry?
+ SetRSSState(IO, eRSSUT);
+ seenstamp = CheckIfAlreadySeen("RSS Item Seen",
+ Ctx->ThisMsg->MsgGUID,
+ EvGetNow(IO),
+ antiExpire,
+ eCheckUpdate,
+ CCID, IO->ID);
+ if (seenstamp != 0)
+ {
+ /* Item has already been seen */
+ syslog(LOG_DEBUG, "%s has already been seen - %ld < %ld", ChrPtr(Ctx->ThisMsg->MsgGUID), seenstamp, antiExpire);
+
+ SetRSSState(IO, eRSSParsing);
+
+ if (GetNextHashPos(Ctx->Messages,
+ Ctx->Pos,
+ &len, &Key,
+ (void**) &Ctx->ThisMsg))
+ return NextDBOperation(
+ IO,
+ RSS_FetchNetworkUsetableEntry);
+ else
+ return eAbort;
}
+ else
+#endif
+ {
+ /* Item has already been seen */
+ syslog(LOG_DEBUG,
+ "%s Parsing - %ld >= %ld",
+ ChrPtr(Ctx->ThisMsg->MsgGUID),
+ seenstamp, antiExpire);
+ SetRSSState(IO, eRSSParsing);
- nptr = (char *)strchr(ptr, '/');
-
- if (!nptr) {
- return(4); /* no url specified */
+ NextDBOperation(IO, RSSSaveMessage);
+ return eSendMore;
}
-
- strcpy(identifier, nptr);
- return(0);
+ return eSendMore;
}
-
-/*
- * Begin a feed parse
- */
-void rss_do_fetching(char *url, char *rooms) {
- char buf[1024];
- char rsshost[1024];
- int rssport = 80;
- char rssurl[1024];
- struct rss_item ri;
- XML_Parser xp;
- int sock = (-1);
- int got_bytes = (-1);
- int redirect_count = 0;
-
- /* Parse the URL */
- if (parse_url(url, rsshost, &rssport, rssurl) != 0) {
- lprintf(CTDL_ALERT, "Invalid URL: %s\n", url);
+void UpdateLastKnownGood(pRSSConfig *pCfg, time_t now)
+{
+ OneRoomNetCfg *pRNCfg;
+ begin_critical_section(S_NETCONFIGS);
+ pRNCfg = CtdlGetNetCfgForRoom(pCfg->QRnumber);
+ if (pRNCfg != NULL)
+ {
+ RSSCfgLine *RSSCfg = (RSSCfgLine *)pRNCfg->NetConfigs[rssclient];
+
+ while (RSSCfg != NULL)
+ {
+ if (RSSCfg == pCfg->pCfg)
+ break;
+
+ RSSCfg = RSSCfg->next;
+ }
+ if (RSSCfg != NULL)
+ {
+ RSSCfg->last_known_good = now;
+ }
}
+ SaveRoomNetConfigFile(pRNCfg, pCfg->QRnumber);
+ FreeRoomNetworkStruct(&pRNCfg);
+ end_critical_section(S_NETCONFIGS);
+}
- xp = XML_ParserCreateNS("UTF-8", ':');
- if (!xp) {
- lprintf(CTDL_ALERT, "Cannot create XML parser!\n");
- return;
- }
+eNextState RSSAggregator_AnalyseReply(AsyncIO *IO)
+{
+ HashPos *it = NULL;
+ long len;
+ const char *Key;
+ pRSSConfig *pCfg;
+ u_char rawdigest[MD5_DIGEST_LEN];
+ struct MD5Context md5context;
+ StrBuf *guid;
+ rss_aggregator *Ctx = (rss_aggregator *) IO->Data;
- 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);
-
-retry: lprintf(CTDL_NOTICE, "Connecting to <%s>\n", rsshost);
- sprintf(buf, "%d", rssport);
- sock = sock_connect(rsshost, buf, "tcp");
- if (sock >= 0) {
- lprintf(CTDL_DEBUG, "Connected!\n");
-
- snprintf(buf, sizeof buf, "GET %s HTTP/1.0", rssurl);
- lprintf(CTDL_DEBUG, "<%s\n", buf);
- sock_puts(sock, buf);
-
- snprintf(buf, sizeof buf, "Host: %s", rsshost);
- lprintf(CTDL_DEBUG, "<%s\n", buf);
- sock_puts(sock, buf);
-
- sock_puts(sock, "");
-
- if (sock_getln(sock, buf, sizeof buf) >= 0) {
- lprintf(CTDL_DEBUG, ">%s\n", buf);
- remove_token(buf, 0, ' ');
-
- /* 200 OK */
- if (buf[0] == '2') {
-
- while (got_bytes = sock_getln(sock, buf, sizeof buf),
- (got_bytes >= 0 && (strcmp(buf, "")) && (strcmp(buf, "\r"))) ) {
- /* discard headers */
- }
-
- while (got_bytes = sock_read(sock, buf, sizeof buf, 0),
- ((got_bytes>=0) && (ri.done_parsing == 0)) ) {
- XML_Parse(xp, buf, got_bytes, 0);
- }
- if (ri.done_parsing == 0) XML_Parse(xp, "", 0, 1);
- }
- /* 30X redirect */
- else if ( (!strncmp(buf, "30", 2)) && (redirect_count < 16) ) {
- while (got_bytes = sock_getln(sock, buf, sizeof buf),
- (got_bytes >= 0 && (strcmp(buf, "")) && (strcmp(buf, "\r"))) ) {
- if (!strncasecmp(buf, "Location:", 9)) {
- ++redirect_count;
- strcpy(buf, &buf[9]);
- striplt(buf);
- if (parse_url(buf, rsshost, &rssport, rssurl) == 0) {
- goto retry;
- }
- else {
- lprintf(CTDL_ALERT, "Invalid URL: %s\n", buf);
- }
- }
- }
- }
+ if ((IO->HttpReq.httpcode >= 300) && (IO->HttpReq.httpcode < 400) && (Ctx->RedirectUrl != NULL))
+ {
+ StrBuf *ErrMsg;
+ long lens[2];
+ const char *strs[2];
+ SetRSSState(IO, eRSSFailure);
+ ErrMsg = NewStrBuf();
+ if (IO) {
+ syslog(LOG_INFO, "need a 200, got a %ld !", IO->HttpReq.httpcode);
}
- sock_close(sock);
+ strs[0] = ChrPtr(Ctx->Url);
+ lens[0] = StrLength(Ctx->Url);
+
+ strs[1] = ChrPtr(Ctx->rooms);
+ lens[1] = StrLength(Ctx->rooms);
+
+ if (IO->HttpReq.CurlError == NULL)
+ IO->HttpReq.CurlError = "";
+
+ StrBufPrintf(ErrMsg,
+ "Error while RSS-Aggregation Run of %s\n"
+ " need a 200, got a %ld !\n"
+ " Curl Error message: \n%s / %s\n"
+ " Redirect header points to: %s\n"
+ " Response text was: \n"
+ " \n %s\n",
+ ChrPtr(Ctx->Url),
+ IO->HttpReq.httpcode,
+ IO->HttpReq.errdesc,
+ IO->HttpReq.CurlError,
+ ChrPtr(Ctx->RedirectUrl),
+ ChrPtr(IO->HttpReq.ReplyData)
+ );
+
+ CtdlAideFPMessage(
+ ChrPtr(ErrMsg),
+ "RSS Aggregation run failure",
+ 2, strs, (long*) &lens,
+ CCID,
+ IO->ID,
+ EvGetNow(IO));
+
+ FreeStrBuf(&ErrMsg);
+ syslog(LOG_DEBUG,
+ "RSS feed returned an invalid http status code. <%s><HTTP %ld>",
+ ChrPtr(Ctx->Url),
+ IO->HttpReq.httpcode
+ );
+ return eAbort;
+ }
+ else if (IO->HttpReq.httpcode != 200)
+ {
+ StrBuf *ErrMsg;
+ long lens[2];
+ const char *strs[2];
+
+ SetRSSState(IO, eRSSFailure);
+ ErrMsg = NewStrBuf();
+ if (IO) {
+ syslog(LOG_INFO, "need a 200, got a %ld !", IO->HttpReq.httpcode);
+ }
+ strs[0] = ChrPtr(Ctx->Url);
+ lens[0] = StrLength(Ctx->Url);
+
+ strs[1] = ChrPtr(Ctx->rooms);
+ lens[1] = StrLength(Ctx->rooms);
+
+ if (IO->HttpReq.CurlError == NULL)
+ IO->HttpReq.CurlError = "";
+
+ StrBufPrintf(ErrMsg,
+ "Error while RSS-Aggregation Run of %s\n"
+ " need a 200, got a %ld !\n"
+ " Curl Error message: \n%s / %s\n"
+ " Response text was: \n"
+ " \n %s\n",
+ ChrPtr(Ctx->Url),
+ IO->HttpReq.httpcode,
+ IO->HttpReq.errdesc,
+ IO->HttpReq.CurlError,
+ ChrPtr(IO->HttpReq.ReplyData)
+ );
+
+ CtdlAideFPMessage(
+ ChrPtr(ErrMsg),
+ "RSS Aggregation run failure",
+ 2, strs, (long*) &lens,
+ CCID,
+ IO->ID,
+ EvGetNow(IO));
+
+ FreeStrBuf(&ErrMsg);
+ syslog(LOG_DEBUG,
+ "RSS feed returned an invalid http status code. <%s><HTTP %ld>",
+ ChrPtr(Ctx->Url),
+ IO->HttpReq.httpcode
+ );
+ return eAbort;
}
- else {
- lprintf(CTDL_ERR, "Could not connect: %s\n", strerror(errno));
+
+ pCfg = &Ctx->Cfg;
+
+ while (pCfg != NULL)
+ {
+ UpdateLastKnownGood (pCfg, EvGetNow(IO));
+ if ((Ctx->roomlist_parts > 1) &&
+ (it == NULL))
+ {
+ it = GetNewHashPos(RSSFetchUrls, 0);
+ }
+ if (it != NULL)
+ {
+ void *vptr;
+ if (GetNextHashPos(Ctx->OtherQRnumbers, it, &len, &Key, &vptr))
+ pCfg = vptr;
+ else
+ pCfg = NULL;
+ }
+ else
+ pCfg = NULL;
}
+ DeleteHashPos (&it);
+
+ SetRSSState(IO, eRSSUT);
+
+ MD5Init(&md5context);
+
+ MD5Update(&md5context,
+ (const unsigned char*)SKEY(IO->HttpReq.ReplyData));
+
+ MD5Update(&md5context,
+ (const unsigned char*)SKEY(Ctx->Url));
+
+ MD5Final(rawdigest, &md5context);
+ guid = NewStrBufPlain(NULL,
+ MD5_DIGEST_LEN * 2 + 12 /* _rss2ctdl*/);
+ StrBufHexEscAppend(guid, NULL, rawdigest, MD5_DIGEST_LEN);
+ StrBufAppendBufPlain(guid, HKEY("_rssFM"), 0);
+ if (StrLength(guid) > 40)
+ StrBufCutAt(guid, 40, NULL);
+ /* Find out if we've already seen this item */
- 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.description != NULL) free(ri.description);
- ri.description = NULL;
- if (ri.chardata_len > 0) {
- free(ri.chardata);
- ri.chardata = 0;
- ri.chardata_len = 0;
+#ifndef DEBUG_RSS
+
+ if (CheckIfAlreadySeen("RSS Whole",
+ guid,
+ EvGetNow(IO),
+ EvGetNow(IO) - USETABLE_ANTIEXPIRE,
+ eUpdate,
+ CCID, IO->ID)
+ != 0)
+ {
+ FreeStrBuf(&guid);
+
+ syslog(LOG_DEBUG, "RSS feed already seen. <%s>", ChrPtr(Ctx->Url));
+ return eAbort;
}
+ FreeStrBuf(&guid);
+#endif
+ SetRSSState(IO, eRSSParsing);
+ return RSSAggregator_ParseReply(IO);
}
+eNextState RSSAggregator_FinishHttp(AsyncIO *IO)
+{
+ return CurlQueueDBOperation(IO, RSSAggregator_AnalyseReply);
+}
+
+/*
+ * Begin a feed parse
+ */
+int rss_do_fetching(rss_aggregator *RSSAggr)
+{
+ AsyncIO *IO = &RSSAggr->IO;
+ rss_item *ri;
+ time_t now;
+ CURLcode sta;
+ CURL *chnd;
+
+
+ now = time(NULL);
+
+ if ((RSSAggr->next_poll != 0) && (now < RSSAggr->next_poll))
+ return 0;
+
+ ri = (rss_item*) malloc(sizeof(rss_item));
+ memset(ri, 0, sizeof(rss_item));
+ RSSAggr->Item = ri;
+
+ if (! InitcURLIOStruct(&RSSAggr->IO,
+ RSSAggr,
+ "Citadel RSS Client",
+ RSSAggregator_FinishHttp,
+ RSSAggregator_Terminate,
+ RSSAggregator_TerminateDB,
+ RSSAggregator_ShutdownAbort))
+ {
+ syslog(LOG_INFO, "Unable to initialize libcurl.");
+ return 0;
+ }
+ chnd = IO->HttpReq.chnd;
+ OPT(HEADERDATA, IO);
+ OPT(HEADERFUNCTION, GetLocationString);
+ SetRSSState(IO, eRSSCreated);
+
+ safestrncpy(((CitContext*)RSSAggr->IO.CitContext)->cs_host,
+ ChrPtr(RSSAggr->Url),
+ sizeof(((CitContext*)RSSAggr->IO.CitContext)->cs_host));
+
+ syslog(LOG_DEBUG, "Fetching RSS feed <%s>", ChrPtr(RSSAggr->Url));
+ ParseURL(&RSSAggr->IO.ConnectMe, RSSAggr->Url, 80);
+ CurlPrepareURL(RSSAggr->IO.ConnectMe);
+
+ SetRSSState(IO, eRSSFetching);
+ QueueCurlContext(&RSSAggr->IO);
+ return 1;
+}
/*
* Scan a room's netconfig to determine whether it is requesting any RSS feeds
*/
-void rssclient_scan_room(struct ctdlroom *qrbuf, void *data)
+void rssclient_scan_room(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCFG)
{
- char filename[PATH_MAX];
- char buf[1024];
- char instr[32];
- FILE *fp;
- char feedurl[256];
- struct rssnetcfg *rncptr = NULL;
- struct rssnetcfg *use_this_rncptr = NULL;
- int len = 0;
- char *ptr = NULL;
-
- assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
-
- /* Only do net processing for rooms that have netconfigs */
- fp = fopen(filename, "r");
- if (fp == NULL) {
+ const RSSCfgLine *RSSCfg = (RSSCfgLine *)OneRNCFG->NetConfigs[rssclient];
+ rss_aggregator *RSSAggr = NULL;
+ rss_aggregator *use_this_RSSAggr = NULL;
+ void *vptr;
+
+ syslog(LOG_DEBUG, "rssclient_scan_room(%s)", qrbuf->QRname);
+ pthread_mutex_lock(&RSSQueueMutex);
+ if (GetHash(RSSQueueRooms, LKEY(qrbuf->QRnumber), &vptr))
+ {
+ syslog(LOG_DEBUG,
+ "rssclient: [%ld] %s already in progress.",
+ qrbuf->QRnumber,
+ qrbuf->QRname);
+ pthread_mutex_unlock(&RSSQueueMutex);
return;
}
+ pthread_mutex_unlock(&RSSQueueMutex);
+
+ if (server_shutting_down) return;
+
+ while (RSSCfg != NULL)
+ {
+ pthread_mutex_lock(&RSSQueueMutex);
+ GetHash(RSSFetchUrls,
+ SKEY(RSSCfg->Url),
+ &vptr);
+
+ use_this_RSSAggr = (rss_aggregator *)vptr;
+ if (use_this_RSSAggr != NULL)
+ {
+ pRSSConfig *pRSSCfg;
+
+ StrBufAppendBufPlain(
+ use_this_RSSAggr->rooms,
+ qrbuf->QRname,
+ -1, 0);
+ if (use_this_RSSAggr->roomlist_parts==1)
+ {
+ use_this_RSSAggr->OtherQRnumbers
+ = NewHash(1, lFlathash);
+ }
- while (fgets(buf, sizeof buf, fp) != NULL) {
- buf[strlen(buf)-1] = 0;
+ pRSSCfg = (pRSSConfig *) malloc(sizeof(pRSSConfig));
- extract_token(instr, buf, 0, '|', sizeof instr);
- if (!strcasecmp(instr, "rssclient")) {
- extract_token(feedurl, buf, 1, '|', sizeof feedurl);
+ pRSSCfg->QRnumber = qrbuf->QRnumber;
+ pRSSCfg->pCfg = RSSCfg;
- /* If any other rooms have requested the same feed, then we will just add this
- * room to the target list for that client request.
- */
- for (rncptr=rnclist; rncptr!=NULL; rncptr=rncptr->next) {
- if (!strcmp(rncptr->url, feedurl)) {
- use_this_rncptr = rncptr;
- }
- }
+ Put(use_this_RSSAggr->OtherQRnumbers,
+ LKEY(qrbuf->QRnumber),
+ pRSSCfg,
+ NULL);
+ use_this_RSSAggr->roomlist_parts++;
- /* Otherwise create a new client request */
- if (use_this_rncptr == NULL) {
- rncptr = (struct rssnetcfg *) malloc(sizeof(struct rssnetcfg));
- if (rncptr != NULL) {
- rncptr->next = rnclist;
- safestrncpy(rncptr->url, feedurl, sizeof rncptr->url);
- rncptr->rooms = NULL;
- rnclist = rncptr;
- use_this_rncptr = rncptr;
- }
- }
+ pthread_mutex_unlock(&RSSQueueMutex);
- /* Add the room name to the request */
- if (use_this_rncptr != NULL) {
- if (use_this_rncptr->rooms == NULL) {
- rncptr->rooms = strdup(qrbuf->QRname);
- }
- else {
- len = strlen(use_this_rncptr->rooms) + strlen(qrbuf->QRname) + 5;
- ptr = realloc(use_this_rncptr->rooms, len);
- if (ptr != NULL) {
- strcat(ptr, "|");
- strcat(ptr, qrbuf->QRname);
- use_this_rncptr->rooms = ptr;
- }
- }
- }
+ RSSCfg = RSSCfg->next;
+ continue;
}
+ pthread_mutex_unlock(&RSSQueueMutex);
- }
+ RSSAggr = (rss_aggregator *) malloc(
+ sizeof(rss_aggregator));
+
+ memset (RSSAggr, 0, sizeof(rss_aggregator));
+ RSSAggr->Cfg.QRnumber = qrbuf->QRnumber;
+ RSSAggr->Cfg.pCfg = RSSCfg;
+ RSSAggr->roomlist_parts = 1;
+ RSSAggr->Url = NewStrBufDup(RSSCfg->Url);
+
+ RSSAggr->ItemType = RSS_UNSET;
- fclose(fp);
+ RSSAggr->rooms = NewStrBufPlain(
+ qrbuf->QRname, -1);
+ pthread_mutex_lock(&RSSQueueMutex);
+
+ Put(RSSFetchUrls,
+ SKEY(RSSAggr->Url),
+ RSSAggr,
+ DeleteRssCfg);
+
+ pthread_mutex_unlock(&RSSQueueMutex);
+ RSSCfg = RSSCfg->next;
+ }
}
/*
* Scan for rooms that have RSS client requests configured
*/
void rssclient_scan(void) {
- static time_t last_run = 0L;
- static int doing_rssclient = 0;
- struct rssnetcfg *rptr = NULL;
+ int RSSRoomCount, RSSCount;
+ rss_aggregator *rptr = NULL;
+ void *vrptr = NULL;
+ HashPos *it;
+ long len;
+ const char *Key;
+ time_t now = time(NULL);
+
+ /* Run no more than once every 15 minutes. */
+ if ((now - last_run) < 900) {
+ syslog(LOG_DEBUG,
+ "Client: polling interval not yet reached; last run was %ldm%lds ago",
+ ((now - last_run) / 60),
+ ((now - last_run) % 60)
+ );
+ return;
+ }
/*
- * Run RSS client no more frequently than once every n seconds
+ * This is a simple concurrency check to make sure only one rssclient
+ * run is done at a time.
*/
- if ( (time(NULL) - last_run) < config.c_net_freq ) {
+ pthread_mutex_lock(&RSSQueueMutex);
+ RSSCount = GetCount(RSSFetchUrls);
+ RSSRoomCount = GetCount(RSSQueueRooms);
+ pthread_mutex_unlock(&RSSQueueMutex);
+
+ if ((RSSRoomCount > 0) || (RSSCount > 0)) {
+ syslog(LOG_DEBUG,
+ "rssclient: concurrency check failed; %d rooms and %d url's are queued",
+ RSSRoomCount, RSSCount
+ );
return;
}
- /*
- * This is a simple concurrency check to make sure only one rssclient run
- * is done at a time. We could do this with a mutex, but since we
- * don't really require extremely fine granularity here, we'll do it
- * with a static variable instead.
- */
- if (doing_rssclient) return;
- doing_rssclient = 1;
-
- lprintf(CTDL_DEBUG, "rssclient started\n");
- ForEachRoom(rssclient_scan_room, NULL);
-
- while (rnclist != NULL) {
- rss_do_fetching(rnclist->url, rnclist->rooms);
- rptr = rnclist;
- rnclist = rnclist->next;
- if (rptr->rooms != NULL) free(rptr->rooms);
- free(rptr);
+ become_session(&rss_CC);
+ syslog(LOG_DEBUG, "rssclient started");
+ CtdlForEachNetCfgRoom(rssclient_scan_room, NULL, rssclient);
+
+ if (GetCount(RSSFetchUrls) > 0)
+ {
+ pthread_mutex_lock(&RSSQueueMutex);
+ syslog(LOG_DEBUG,
+ "rssclient starting %d Clients",
+ GetCount(RSSFetchUrls));
+
+ it = GetNewHashPos(RSSFetchUrls, 0);
+ while (!server_shutting_down &&
+ GetNextHashPos(RSSFetchUrls, it, &len, &Key, &vrptr) &&
+ (vrptr != NULL)) {
+ rptr = (rss_aggregator *)vrptr;
+ if (!rss_do_fetching(rptr))
+ UnlinkRSSAggregator(rptr);
+ }
+ DeleteHashPos(&it);
+ pthread_mutex_unlock(&RSSQueueMutex);
+ }
+ else {
+ syslog(LOG_DEBUG, "Nothing to do.");
}
- lprintf(CTDL_DEBUG, "rssclient ended\n");
- last_run = time(NULL);
- doing_rssclient = 0;
+ syslog(LOG_DEBUG, "rssclient ended");
+ return;
+}
+
+void rss_cleanup(void)
+{
+ /* citthread_mutex_destroy(&RSSQueueMutex); TODO */
+ DeleteHash(&RSSFetchUrls);
+ DeleteHash(&RSSQueueRooms);
}
+void LogDebugEnableRSSClient(const int n)
+{
+ RSSClientDebugEnabled = n;
+}
+
+
+typedef struct __RSSVetoInfo {
+ StrBuf *ErrMsg;
+ time_t Now;
+ int Veto;
+}RSSVetoInfo;
+
+void rssclient_veto_scan_room(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneRNCFG)
+{
+ RSSVetoInfo *Info = (RSSVetoInfo *) data;
+ const RSSCfgLine *RSSCfg = (RSSCfgLine *)OneRNCFG->NetConfigs[rssclient];
+
+ while (RSSCfg != NULL)
+ {
+ if ((RSSCfg->last_known_good != 0) &&
+ (RSSCfg->last_known_good + USETABLE_ANTIEXPIRE < Info->Now))
+ {
+ StrBufAppendPrintf(Info->ErrMsg,
+ "RSS feed not seen for a %d days:: <",
+ (Info->Now - RSSCfg->last_known_good) / (24 * 60 * 60));
+
+ StrBufAppendBuf(Info->ErrMsg, RSSCfg->Url, 0);
+ StrBufAppendBufPlain(Info->ErrMsg, HKEY(">\n"), 0);
+ }
+ RSSCfg = RSSCfg->next;
+ }
+}
+
+int RSSCheckUsetableVeto(StrBuf *ErrMsg)
+{
+ RSSVetoInfo Info;
+
+ Info.ErrMsg = ErrMsg;
+ Info.Now = time (NULL);
+ Info.Veto = 0;
+
+ CtdlForEachNetCfgRoom(rssclient_veto_scan_room, &Info, rssclient);
+
+ return Info.Veto;;
+}
+
+
+
+
+void ParseRSSClientCfgLine(const CfgLineType *ThisOne, StrBuf *Line, const char *LinePos, OneRoomNetCfg *OneRNCFG)
+{
+ RSSCfgLine *RSSCfg;
+
+ RSSCfg = (RSSCfgLine *) malloc (sizeof(RSSCfgLine));
+ RSSCfg->Url = NewStrBufPlain (NULL, StrLength (Line));
+
+
+ StrBufExtract_NextToken(RSSCfg->Url, Line, &LinePos, '|');
+ RSSCfg->last_known_good = StrBufExtractNext_long(Line, &LinePos, '|');
+
+
+ RSSCfg->next = (RSSCfgLine *)OneRNCFG->NetConfigs[ThisOne->C];
+ OneRNCFG->NetConfigs[ThisOne->C] = (RoomNetCfgLine*) RSSCfg;
+}
+
+void SerializeRSSClientCfgLine(const CfgLineType *ThisOne, StrBuf *OutputBuffer, OneRoomNetCfg *RNCfg, RoomNetCfgLine *data)
+{
+ RSSCfgLine *RSSCfg = (RSSCfgLine*) data;
+
+ StrBufAppendBufPlain(OutputBuffer, CKEY(ThisOne->Str), 0);
+ StrBufAppendBufPlain(OutputBuffer, HKEY("|"), 0);
+ StrBufAppendBufPlain(OutputBuffer, SKEY(RSSCfg->Url), 0);
+ StrBufAppendPrintf(OutputBuffer, "|%ld\n", RSSCfg->last_known_good);
+}
+
+void DeleteRSSClientCfgLine(const CfgLineType *ThisOne, RoomNetCfgLine **data)
+{
+ RSSCfgLine *RSSCfg = (RSSCfgLine*) *data;
+
+ FreeStrBuf(&RSSCfg->Url);
+ free(*data);
+ *data = NULL;
+}
-#endif /* HAVE_EXPAT */
CTDL_MODULE_INIT(rssclient)
{
-#ifdef HAVE_EXPAT
- CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER);
-#else
- lprintf(CTDL_INFO, "This server is missing the Expat XML parser. RSS client will be disabled.\n");
-#endif
- /* return our Subversion id for the Log */
- return "$Id: serv_rssclient.c 5652 2007-10-29 20:14:48Z ajc $";
+ if (!threading)
+ {
+ CtdlRegisterTDAPVetoHook (RSSCheckUsetableVeto, CDB_USETABLE, 0);
+
+ CtdlREGISTERRoomCfgType(rssclient, ParseRSSClientCfgLine, 0, 1, SerializeRSSClientCfgLine, DeleteRSSClientCfgLine);
+ pthread_mutex_init(&RSSQueueMutex, NULL);
+ RSSQueueRooms = NewHash(1, lFlathash);
+ RSSFetchUrls = NewHash(1, NULL);
+ syslog(LOG_INFO, "%s\n", curl_version());
+ CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER, PRIO_AGGR + 300);
+ CtdlRegisterEVCleanupHook(rss_cleanup);
+ CtdlRegisterDebugFlagHook(HKEY("rssclient"), LogDebugEnableRSSClient, &RSSClientDebugEnabled);
+ }
+ else
+ {
+ CtdlFillSystemContext(&rss_CC, "rssclient");
+ }
+ return "rssclient";
}
projects / citadel.git / blobdiff