Removed an unused parameter from CtdlSubmitMsg(). Why was it even there?
[citadel.git] / citadel / modules / rssclient / serv_rssclient.c
index 0b89a9563ac5c4f011321a8dbd82db4ceb0ef402..ca05dd62d5067d619f77e030bf797b11a9b450a4 100644 (file)
@@ -1,14 +1,16 @@
 /*
- * Bring external RSS feeds into rooms.
+ * Bring external RSS and/or Atom feeds into rooms.  This module implements a
+ * very loose parser that scrapes both kinds of feeds and is not picky about
+ * the standards compliance of the source data.
  *
- * Copyright (c) 2007-2017 by the citadel.org team
+ * Copyright (c) 2007-2020 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 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.
  */
 
@@ -46,7 +48,6 @@
 #include "parsedate.h"
 #include "database.h"
 #include "citadel_dirs.h"
-#include "md5.h"
 #include "context.h"
 #include "internet_addressing.h"
 
@@ -71,7 +72,6 @@ struct rssparser {
 };
 
 time_t last_run = 0L;
-struct CitContext rss_CC;
 struct rssurl *rsstodo = NULL;
 
 
@@ -118,12 +118,16 @@ void rss_start_element(void *data, const char *el, const char **attribute)
 void rss_end_element(void *data, const char *el)
 {
        struct rssparser *r = (struct rssparser *)data;
+       StrBuf *encoded_field;
+
+       if (StrLength(r->CData) > 0) {                          // strip leading/trailing whitespace from field
+               StrBufTrim(r->CData);
+       }
 
        if (                                                    // end of a new item(rss) or entry(atom)
                (!strcasecmp(el, "entry"))
                || (!strcasecmp(el, "item"))
        ) {
-
                if (r->msg != NULL) {                           // Save the message to the rooms
 
                        // use the link as an item id if nothing else is available
@@ -176,10 +180,10 @@ void rss_end_element(void *data, const char *el)
                                long msgnum = (-1);
                                for (rr=r->rooms; rr!=NULL; rr=rr->next) {
                                        if (rr == r->rooms) {
-                                               msgnum = CtdlSubmitMsg(r->msg, NULL, rr->room, 0);
+                                               msgnum = CtdlSubmitMsg(r->msg, NULL, rr->room);         // in first room, save msg
                                        }
                                        else {
-                                               CtdlSaveMsgPointerInRoom(rr->room, msgnum, 0, NULL);
+                                               CtdlSaveMsgPointerInRoom(rr->room, msgnum, 0, NULL);    // elsewhere, save a pointer
                                        }
                                        syslog(LOG_DEBUG, "rssclient: saved message %ld to %s", msgnum, rr->room);
                                }
@@ -200,15 +204,25 @@ void rss_end_element(void *data, const char *el)
 
        else if (!strcasecmp(el, "title")) {                    // item subject (rss and atom)
                if ((r->msg != NULL) && (CM_IsEmpty(r->msg, eMsgSubject))) {
-                       CM_SetField(r->msg, eMsgSubject, ChrPtr(r->CData), StrLength(r->CData));
-                       striplt(r->msg->cm_fields[eMsgSubject]);
+                       encoded_field = NewStrBuf();
+                       StrBufRFC2047encode(&encoded_field, r->CData);
+                       CM_SetAsFieldSB(r->msg, eMsgSubject, &encoded_field);
                }
        }
 
-       else if (!strcasecmp(el, "author")) {                   // author of item (rss and maybe atom)
+       else if (!strcasecmp(el, "creator")) {                  // <creator> can be used if <author> is not present
                if ((r->msg != NULL) && (CM_IsEmpty(r->msg, eAuthor))) {
-                       CM_SetField(r->msg, eAuthor, ChrPtr(r->CData), StrLength(r->CData));
-                       striplt(r->msg->cm_fields[eAuthor]);
+                       encoded_field = NewStrBuf();
+                       StrBufRFC2047encode(&encoded_field, r->CData);
+                       CM_SetAsFieldSB(r->msg, eAuthor, &encoded_field);
+               }
+       }
+
+       else if (!strcasecmp(el, "author")) {                   // <author> supercedes <creator> if both are present
+               if (r->msg != NULL) {
+                       encoded_field = NewStrBuf();
+                       StrBufRFC2047encode(&encoded_field, r->CData);
+                       CM_SetAsFieldSB(r->msg, eAuthor, &encoded_field);
                }
        }
 
@@ -236,7 +250,6 @@ void rss_end_element(void *data, const char *el)
                        r->link = NULL;
                }
                r->link = strdup(ChrPtr(r->CData));
-               striplt(r->link);
        }
 
        else if (
@@ -248,7 +261,6 @@ void rss_end_element(void *data, const char *el)
                        r->item_id = NULL;
                }
                r->item_id = strdup(ChrPtr(r->CData));
-               striplt(r->item_id);
        }
 
        else if (
@@ -261,7 +273,6 @@ void rss_end_element(void *data, const char *el)
                        r->description = NULL;
                }
                r->description = strdup(ChrPtr(r->CData));
-               striplt(r->description);
        }
 
        if (r->CData != NULL) {
@@ -317,6 +328,7 @@ void rssclient_push_todo(char *rssurl, char *roomname)
                        thisone = r;
                }
        }
+
        if (thisone == NULL) {
                thisone = malloc(sizeof(struct rssurl));
                thisone->url = strdup(rssurl);
@@ -437,7 +449,6 @@ void rssclient_scan(void) {
                return;
        }
 
-       become_session(&rss_CC);
        syslog(LOG_DEBUG, "rssclient: started");
        CtdlForEachRoom(rssclient_scan_room, NULL);
        rss_pull_feeds();
@@ -454,10 +465,6 @@ CTDL_MODULE_INIT(rssclient)
                syslog(LOG_INFO, "rssclient: using %s", curl_version());
                CtdlRegisterSessionHook(rssclient_scan, EVT_TIMER, PRIO_AGGR + 300);
        }
-       else
-       {
-               CtdlFillSystemContext(&rss_CC, "rssclient");
-       }
        return "rssclient";
 }