/*
* Bring external RSS feeds into rooms.
*
- * Copyright (c) 2007-2010 by the citadel.org team
+ * Copyright (c) 2007-2016 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 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
+ * 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 <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 "rss_atom_parser.h"
+#define TMP_MSGDATA 0xFF
+#define TMP_SHORTER_URL_OFFSET 0xFE
+#define TMP_SHORTER_URLS 0xFD
+
+time_t last_run = 0L;
+
+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;
+
struct rssnetcfg *rnclist = NULL;
-void AppendLink(StrBuf *Message, StrBuf *link, StrBuf *LinkTitle, const char *Title)
+int RSSClientDebugEnabled = 0;
+#define N ((rss_aggregator*)IO->Data)->Cfg.QRnumber
+
+#define DBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (RSSClientDebugEnabled != 0))
+
+#define EVRSSC_syslog(LEVEL, FORMAT, ...) \
+ DBGLOG(LEVEL) syslog(LEVEL, \
+ "%s[%ld]CC[%d][%ld]RSS" FORMAT, \
+ IOSTR, IO->ID, CCID, N, __VA_ARGS__)
+
+#define EVRSSCM_syslog(LEVEL, FORMAT) \
+ DBGLOG(LEVEL) syslog(LEVEL, \
+ "%s[%ld]CC[%d][%ld]RSS" FORMAT, \
+ IOSTR, IO->ID, CCID, N)
+
+#define EVRSSQ_syslog(LEVEL, FORMAT, ...) \
+ DBGLOG(LEVEL) syslog(LEVEL, "RSS" FORMAT, \
+ __VA_ARGS__)
+#define EVRSSQM_syslog(LEVEL, FORMAT) \
+ DBGLOG(LEVEL) syslog(LEVEL, "RSS" FORMAT)
+
+#define EVRSSCSM_syslog(LEVEL, FORMAT) \
+ DBGLOG(LEVEL) syslog(LEVEL, "%s[%ld][%ld]RSS" FORMAT, \
+ IOSTR, IO->ID, N)
+
+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")}
+};
+
+
+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);
+ }
+ else {
+ FlushStrBuf(RSSAggr->RedirectUrl);
+ StrBufPlain(RSSAggr->RedirectUrl, pch, pche - pch + 1);
+ }
+ }
+ return size * nmemb;
+}
+
+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);
+}
+
+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);
+}
+
+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);
+ }
+
+ DeleteHashPos(&At);
+ }
+}
+
+void UnlinkRSSAggregator(rss_aggregator *RSSAggr)
+{
+ HashPos *At;
+
+ 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)
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: destroying\n");
+
+ FreeStrBuf(&RSSAggr->Url);
+ FreeStrBuf(&RSSAggr->RedirectUrl);
+ FreeStrBuf(&RSSAggr->rooms);
+ FreeStrBuf(&RSSAggr->CData);
+ FreeStrBuf(&RSSAggr->Key);
+ DeleteHash(&RSSAggr->OtherQRnumbers);
+
+ DeleteHashPos (&RSSAggr->Pos);
+ DeleteHash (&RSSAggr->Messages);
+ if (RSSAggr->recp.recp_room != NULL)
+ free(RSSAggr->recp.recp_room);
+
+
+ if (RSSAggr->Item != NULL)
+ {
+ flush_rss_item(RSSAggr->Item);
+
+ free(RSSAggr->Item);
+ }
+
+ FreeAsyncIOContents(&RSSAggr->IO);
+ memset(RSSAggr, 0, sizeof(rss_aggregator));
+ free(RSSAggr);
+}
+
+eNextState RSSAggregator_Terminate(AsyncIO *IO)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
+
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
+
+eNextState RSSAggregator_TerminateDB(AsyncIO *IO)
+{
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+
+ EVRSSCM_syslog(LOG_DEBUG, "RSS: Terminating.\n");
+
+
+ StopDBWatchers(&RSSAggr->IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
+
+eNextState RSSAggregator_ShutdownAbort(AsyncIO *IO)
+{
+ const char *pUrl;
+ rss_aggregator *RSSAggr = (rss_aggregator *)IO->Data;
+
+ pUrl = IO->ConnectMe->PlainUrl;
+ if (pUrl == NULL)
+ pUrl = "";
+
+ EVRSSC_syslog(LOG_DEBUG, "RSS: Aborting by shutdown: %s.\n", pUrl);
+
+ StopCurlWatchers(IO);
+ UnlinkRSSAggregator(RSSAggr);
+ return eAbort;
+}
+
+void AppendLink(StrBuf *Message,
+ StrBuf *link,
+ StrBuf *LinkTitle,
+ const char *Title)
{
if (StrLength(link) > 0)
{
StrBufAppendBufPlain(Message, HKEY("</a><br>\n"), 0);
}
}
-/*
- * Commit a fetched and parsed RSS item to disk
- */
-void rss_save_item(rss_item *ri)
-{
- 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;
+
+int rss_format_item(AsyncIO *IO, networker_save_message *SaveMsg)
+{
StrBuf *Message;
+ int msglen = 0;
- 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;
-
- /* 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) {
- StrBufSpaceToBlank(ri->guid);
- StrBufTrim(ri->guid);
- snprintf(utmsgid, sizeof utmsgid, "rss/%s", ChrPtr(ri->guid));
- }
- else {
- MD5Init(&md5context);
- if (ri->title != NULL) {
- MD5Update(&md5context, (const unsigned char*)ChrPtr(ri->title), StrLength(ri->title));
- }
- if (ri->link != NULL) {
- MD5Update(&md5context, (const unsigned char*)ChrPtr(ri->link), StrLength(ri->link));
- }
- 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]);
- }
- strcat(utmsgid, "_rss2ctdl");
+ if (StrLength(SaveMsg->description) +
+ StrLength(SaveMsg->link) +
+ StrLength(SaveMsg->linkTitle) +
+ StrLength(SaveMsg->reLink) +
+ StrLength(SaveMsg->reLinkTitle) +
+ StrLength(SaveMsg->title) == 0)
+ {
+ EVRSSCM_syslog(LOG_INFO, "Refusing to save empty message.");
+ return 0;
}
- /* Find out if we've already seen this item */
+ CM_Flush(&SaveMsg->Msg);
- 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);
- cdb_free(cdbut);
+ if (SaveMsg->author_or_creator != NULL) {
- /* 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) );
- }
- else
-#endif
-{
- /* Item has not been seen, so save it. */
- CtdlLogPrintf(CTDL_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));
- }
+ char *From;
+ StrBuf *Encoded = NULL;
+ int FromAt;
- if (ri->author_or_creator != NULL) {
- 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)
+ 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)
{
- StrBufRFC2047encode(&Encoded, ri->author_or_creator);
- msg->cm_fields['A'] = SmashStrBuf(&Encoded);
- msg->cm_fields['P'] = SmashStrBuf(&ri->author_email);
+ CM_SetAsFieldSB(&SaveMsg->Msg, eAuthor, &SaveMsg->author_or_creator);
+ CM_CopyField(&SaveMsg->Msg, eMessagePath, eAuthor);
}
else
{
- if (FromAt)
- msg->cm_fields['P'] = SmashStrBuf(&ri->author_or_creator);
- else
- {
- StrBufRFC2047encode(&Encoded, ri->author_or_creator);
- msg->cm_fields['A'] = SmashStrBuf(&Encoded);
- msg->cm_fields['P'] = strdup("rss@localhost");
- }
+ StrBufRFC2047encode(&Encoded,
+ SaveMsg->author_or_creator);
+ CM_SetAsFieldSB(&SaveMsg->Msg, eAuthor, &Encoded);
+ CM_SetField(&SaveMsg->Msg, eMessagePath, HKEY("rss@localhost"));
+
}
}
- else {
- msg->cm_fields['A'] = strdup("rss");
- }
+ }
+ else {
+ CM_SetField(&SaveMsg->Msg, eAuthor, HKEY("rss"));
+ }
- msg->cm_fields['N'] = strdup(NODENAME);
- if (ri->title != NULL) {
- long len;
- char *Sbj;
- StrBuf *Encoded, *QPEncoded;
+ 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(ri->title);
- len = StrLength(ri->title);
- Sbj = html_to_ascii(ChrPtr(ri->title), len, 512, 0);
+ 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')
+ 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);
+
+ CM_SetAsFieldSB(&SaveMsg->Msg, eMsgSubject, &QPEncoded);
FreeStrBuf(&Encoded);
}
- msg->cm_fields['T'] = malloc(64);
- snprintf(msg->cm_fields['T'], 64, "%ld", ri->pubdate);
- if (ri->channel_title != NULL) {
- if (StrLength(ri->channel_title) > 0) {
- msg->cm_fields['O'] = strdup(ChrPtr(ri->channel_title));
- }
+ if (Sbj != NULL) {
+ free(Sbj);
}
- if (ri->link == NULL)
- ri->link = NewStrBufPlain(HKEY(""));
- // TODO: reenable me ExpandShortUrls(ri->description);
- msglen += 1024 + StrLength(ri->link) + StrLength(ri->description) ;
+ }
+ if (SaveMsg->link == NULL)
+ SaveMsg->link = NewStrBufPlain(HKEY(""));
- Message = NewStrBufPlain(NULL, StrLength(ri->description));
+#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) ;
- StrBufPlain(Message, HKEY(
- "Content-type: text/html; charset=\"UTF-8\"\r\n\r\n"
- "<html><body>\n"));
+ Message = NewStrBufPlain(NULL, msglen);
+
+ 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);
- StrBufAppendBuf(Message, ri->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);
- AppendLink(Message, ri->link, ri->linkTitle, NULL);
- AppendLink(Message, ri->reLink, ri->reLinkTitle, "Reply to this");
- StrBufAppendBufPlain(Message, HKEY("</body></html>\n"), 0);
+ SaveMsg->Message = Message;
+ return 1;
+}
- msg->cm_fields['M'] = SmashStrBuf(&Message);
+eNextState RSSSaveMessage(AsyncIO *IO)
+{
+ long len;
+ const char *Key;
+ rss_aggregator *RSSAggr = (rss_aggregator *) IO->Data;
- CtdlSubmitMsg(msg, recp, NULL, 0);
- CtdlFreeMessage(msg);
+ if (rss_format_item(IO, RSSAggr->ThisMsg))
+ {
+ CM_SetAsFieldSB(&RSSAggr->ThisMsg->Msg, eMesageText,
+ &RSSAggr->ThisMsg->Message);
+ CtdlSubmitMsg(&RSSAggr->ThisMsg->Msg, &RSSAggr->recp, NULL, 0);
+
/* 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) );
+
+ CheckIfAlreadySeen("RSS Item Insert", RSSAggr->ThisMsg->MsgGUID, EvGetNow(IO), 0, eWrite, CCID, IO->ID);
}
- free_recipients(recp);
+
+ 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;
+ /* 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 */
+ EVRSSC_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 */
+ EVRSSC_syslog(LOG_DEBUG,
+ "%s Parsing - %ld >= %ld",
+ ChrPtr(Ctx->ThisMsg->MsgGUID),
+ seenstamp, antiExpire);
+ SetRSSState(IO, eRSSParsing);
+
+ NextDBOperation(IO, RSSSaveMessage);
+ return eSendMore;
+ }
+ return eSendMore;
+}
+
+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)
+ {
+ pRNCfg->changed = 1;
+ RSSCfg->last_known_good = now;
+ }
+ }
+
+ SaveRoomNetConfigFile(pRNCfg, pCfg->QRnumber);
+ FreeRoomNetworkStruct(&pRNCfg);
+ end_critical_section(S_NETCONFIGS);
+}
+
+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;
+
+
+ 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) EVRSSC_syslog(LOG_ALERT, "need a 200, got a %ld !\n",
+ 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"
+ " 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);
+ EVRSSC_syslog(LOG_DEBUG,
+ "RSS feed returned an invalid http status code. <%s><HTTP %ld>\n",
+ 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) EVRSSC_syslog(LOG_ALERT, "need a 200, got a %ld !\n",
+ 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);
+ EVRSSC_syslog(LOG_DEBUG,
+ "RSS feed returned an invalid http status code. <%s><HTTP %ld>\n",
+ ChrPtr(Ctx->Url),
+ IO->HttpReq.httpcode);
+ return eAbort;
+ }
+
+ 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 */
+
+#ifndef DEBUG_RSS
+
+ if (CheckIfAlreadySeen("RSS Whole",
+ guid,
+ EvGetNow(IO),
+ EvGetNow(IO) - USETABLE_ANTIEXPIRE,
+ eUpdate,
+ CCID, IO->ID)
+ != 0)
+ {
+ FreeStrBuf(&guid);
+
+ EVRSSC_syslog(LOG_DEBUG, "RSS feed already seen. <%s>\n", 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
*/
-void rss_do_fetching(rssnetcfg *Cfg) {
- rsscollection *rssc;
+int rss_do_fetching(rss_aggregator *RSSAggr)
+{
+ AsyncIO *IO = &RSSAggr->IO;
rss_item *ri;
-
time_t now;
-
+ CURLcode sta;
CURL *chnd;
- AsyncIO *IO;
- now = time(NULL);
- if ((Cfg->next_poll != 0) && (now < Cfg->next_poll))
- return;
+ now = time(NULL);
+ if ((RSSAggr->next_poll != 0) && (now < RSSAggr->next_poll))
+ return 0;
ri = (rss_item*) malloc(sizeof(rss_item));
- rssc = (rsscollection*) malloc(sizeof(rsscollection));
memset(ri, 0, sizeof(rss_item));
- memset(rssc, 0, sizeof(rsscollection));
- rssc->Item = ri;
- rssc->Cfg = Cfg;
- IO = &rssc->IO;
- IO->CitContext = CloneContext(CC);
- IO->Data = rssc;
- ri->roomlist = Cfg->rooms;
-
-
- CtdlLogPrintf(CTDL_DEBUG, "Fetching RSS feed <%s>\n", ChrPtr(Cfg->Url));
- ParseURL(&IO->ConnectMe, Cfg->Url, 80);
- CurlPrepareURL(IO->ConnectMe);
-
- if (! evcurl_init(IO,
-// Ctx,
- NULL,
- "Citadel RSS Client",
- ParseRSSReply))
+ RSSAggr->Item = ri;
+
+ if (! InitcURLIOStruct(&RSSAggr->IO,
+ RSSAggr,
+ "Citadel RSS Client",
+ RSSAggregator_FinishHttp,
+ RSSAggregator_Terminate,
+ RSSAggregator_TerminateDB,
+ RSSAggregator_ShutdownAbort))
{
- CtdlLogPrintf(CTDL_ALERT, "Unable to initialize libcurl.\n");
-// goto abort;
+ EVRSSCM_syslog(LOG_ALERT, "Unable to initialize libcurl.\n");
+ return 0;
}
chnd = IO->HttpReq.chnd;
+ OPT(HEADERDATA, IO);
+ OPT(HEADERFUNCTION, GetLocationString);
+ SetRSSState(IO, eRSSCreated);
- evcurl_handle_start(IO);
-}
-
+ safestrncpy(((CitContext*)RSSAggr->IO.CitContext)->cs_host,
+ ChrPtr(RSSAggr->Url),
+ sizeof(((CitContext*)RSSAggr->IO.CitContext)->cs_host));
+ EVRSSC_syslog(LOG_DEBUG, "Fetching RSS feed <%s>\n", 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];
- 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())
- return;
-
- /* 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;
+
+ TRACE;
+
+ pthread_mutex_lock(&RSSQueueMutex);
+ if (GetHash(RSSQueueRooms, LKEY(qrbuf->QRnumber), &vptr))
+ {
+ EVRSSQ_syslog(LOG_DEBUG,
+ "rssclient: [%ld] %s already in progress.\n",
+ qrbuf->QRnumber,
+ qrbuf->QRname);
+ pthread_mutex_unlock(&RSSQueueMutex);
return;
}
+ pthread_mutex_unlock(&RSSQueueMutex);
- while (fgets(buf, sizeof buf, fp) != NULL && !CtdlThreadCheckStop()) {
- buf[strlen(buf)-1] = 0;
+ if (server_shutting_down) return;
- extract_token(instr, buf, 0, '|', sizeof instr);
- if (!strcasecmp(instr, "rssclient")) {
-
- use_this_rncptr = NULL;
+ while (RSSCfg != NULL)
+ {
+ pthread_mutex_lock(&RSSQueueMutex);
+ GetHash(RSSFetchUrls,
+ SKEY(RSSCfg->Url),
+ &vptr);
- extract_token(feedurl, buf, 1, '|', sizeof feedurl);
+ use_this_RSSAggr = (rss_aggregator *)vptr;
+ if (use_this_RSSAggr != NULL)
+ {
+ pRSSConfig *pRSSCfg;
- /* 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(ChrPtr(rncptr->Url), feedurl)) {
- use_this_rncptr = rncptr;
- }
+ StrBufAppendBufPlain(
+ use_this_RSSAggr->rooms,
+ qrbuf->QRname,
+ -1, 0);
+ if (use_this_RSSAggr->roomlist_parts==1)
+ {
+ use_this_RSSAggr->OtherQRnumbers
+ = NewHash(1, lFlathash);
}
- /* Otherwise create a new client request */
- if (use_this_rncptr == NULL) {
- rncptr = (rssnetcfg *) malloc(sizeof(rssnetcfg));
- memset(rncptr, 0, sizeof(rssnetcfg));
- rncptr->ItemType = RSS_UNSET;
- if (rncptr != NULL) {
- rncptr->next = rnclist;
- rncptr->Url = NewStrBufPlain(feedurl, -1);
- rncptr->rooms = NULL;
- rnclist = rncptr;
- use_this_rncptr = rncptr;
- }
- }
+ pRSSCfg = (pRSSConfig *) malloc(sizeof(pRSSConfig));
- /* 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;
- }
- }
- }
+ pRSSCfg->QRnumber = qrbuf->QRnumber;
+ pRSSCfg->pCfg = RSSCfg;
+
+ Put(use_this_RSSAggr->OtherQRnumbers,
+ LKEY(qrbuf->QRnumber),
+ pRSSCfg,
+ NULL);
+ use_this_RSSAggr->roomlist_parts++;
+
+ pthread_mutex_unlock(&RSSQueueMutex);
+
+ RSSCfg = RSSCfg->next;
+ continue;
}
+ pthread_mutex_unlock(&RSSQueueMutex);
- }
+ RSSAggr = (rss_aggregator *) malloc(
+ sizeof(rss_aggregator));
- fclose(fp);
+ 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;
+
+ 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;
- 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) {
+ EVRSSQ_syslog(LOG_DEBUG,
+ "Client: polling interval not yet reached; last run was %ldm%lds ago",
+ ((now - last_run) / 60),
+ ((now - last_run) % 60)
+ );
+ 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.
+ * This is a simple concurrency check to make sure only one rssclient
+ * run is done at a time.
*/
- if (doing_rssclient) return;
- doing_rssclient = 1;
-
- CtdlLogPrintf(CTDL_DEBUG, "rssclient started\n");
- CtdlForEachRoom(rssclient_scan_room, NULL);
-
- while (rnclist != NULL && !CtdlThreadCheckStop()) {
- rss_do_fetching(rnclist);
- rptr = rnclist;
- rnclist = rnclist->next;
- if (rptr->rooms != NULL) free(rptr->rooms);
- free(rptr);
+ pthread_mutex_lock(&RSSQueueMutex);
+ RSSCount = GetCount(RSSFetchUrls);
+ RSSRoomCount = GetCount(RSSQueueRooms);
+ pthread_mutex_unlock(&RSSQueueMutex);
+
+ if ((RSSRoomCount > 0) || (RSSCount > 0)) {
+ EVRSSQ_syslog(LOG_DEBUG,
+ "rssclient: concurrency check failed; %d rooms and %d url's are queued",
+ RSSRoomCount, RSSCount
+ );
+ return;
}
- CtdlLogPrintf(CTDL_DEBUG, "rssclient ended\n");
- last_run = time(NULL);
- doing_rssclient = 0;
+ become_session(&rss_CC);
+ EVRSSQM_syslog(LOG_DEBUG, "rssclient started");
+ CtdlForEachNetCfgRoom(rssclient_scan_room, NULL, rssclient);
+
+ if (GetCount(RSSFetchUrls) > 0)
+ {
+ pthread_mutex_lock(&RSSQueueMutex);
+ EVRSSQ_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
+ EVRSSQM_syslog(LOG_DEBUG, "Nothing to do.");
+
+ EVRSSQM_syslog(LOG_DEBUG, "rssclient ended\n");
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;
+}
+
CTDL_MODULE_INIT(rssclient)
{
- if (threading)
+ 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
{
- CtdlLogPrintf(CTDL_INFO, "%s\n", curl_version());
- CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER);
+ CtdlFillSystemContext(&rss_CC, "rssclient");
}
return "rssclient";
}
projects / citadel.git / blobdiff