[Sommaire] [Imprimer]

   1  <?php
   2  
   3  ////////////////////////////////////////////////////////////////////////////////
   4  //                                                                            //
   5  //   Copyright (C) 2006  Phorum Development Team                              //
   6  //   http://www.phorum.org                                                    //
   7  //                                                                            //
   8  //   This program is free software. You can redistribute it and/or modify     //
   9  //   it under the terms of either the current Phorum License (viewable at     //
  10  //   phorum.org) or the Phorum License that was distributed with this file    //
  11  //                                                                            //
  12  //   This program is distributed in the hope that it will be useful,          //
  13  //   but WITHOUT ANY WARRANTY, without even the implied warranty of           //
  14  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     //
  15  //                                                                            //
  16  //   You should have received a copy of the Phorum License                    //
  17  //   along with this program.                                                 //
  18  //   July 19 Fixed by Dagon, Date format and Location default                 //
  19  ////////////////////////////////////////////////////////////////////////////////
  20  
  21  define('phorum_page', 'rss');
  22  
  23  include_once ("./common.php");
  24  include_once ("./include/format_functions.php");
  25  
  26  // check this forum allows RSS
  27  if(!$PHORUM['use_rss']){
  28      exit();
  29  }
  30  
  31  $cache_key = $_SERVER["QUERY_STRING"].",".$PHORUM["user"]["user_id"];
  32  
  33  $data="";
  34  // only do this with caching enabled
  35  if(isset($PHORUM['cache_rss']) && !empty($PHORUM['cache_rss'])) {
  36      $data = phorum_cache_get("rss", $cache_key);
  37  }
  38  
  39  if(empty($data)){
  40  
  41      if($PHORUM["forum_id"]==$PHORUM["vroot"]){
  42          $forums = phorum_db_get_forums(0, -1, $PHORUM["vroot"]);
  43          $forum_ids = array_keys($forums);
  44      } elseif($PHORUM["folder_flag"] && $PHORUM["vroot"]==0 && $PHORUM["forum_id"]!=0){
  45          // we don't support rss for normal folders
  46          exit();
  47      } else {
  48          $forum_ids = $PHORUM["forum_id"];
  49          $forums = phorum_db_get_forums($PHORUM["forum_id"]);
  50      }
  51  
  52      // find default forum for announcements
  53      foreach($forums as $forum_id=>$forum){
  54          if($forum["folder_flag"]){
  55              unset($forums[$forum_id]);
  56          } elseif(empty($default_forum_id)) {
  57              $default_forum_id = $forum_id;
  58          }
  59      }
  60  
  61      $PHORUM["threaded_list"]=false;
  62      $PHORUM["float_to_top"]=false;
  63  
  64      // get the thread set started
  65      $rows = array();
  66      $thread = (isset($PHORUM["args"][1])) ? (int)$PHORUM["args"][1] : 0;
  67  
  68      $rows = phorum_db_get_recent_messages(30, $forum_ids, $thread);
  69  
  70      unset($rows["users"]);
  71  
  72      $items = array();
  73      $pub_date=0;
  74      foreach($rows as $key => $row){
  75  
  76          if(!$PHORUM["forum_id"]){
  77              $row["subject"]="[".$forums[$row["forum_id"]]["name"]."] ".$row["subject"];
  78          }
  79  
  80          $forum_id = ($row["forum_id"]==0) ? $default_forum_id : $row["forum_id"];
  81  
  82          $items[]=array(
  83              "pub_date" => date("r",$row["datestamp"]),
  84              "url" => phorum_get_url(PHORUM_FOREIGN_READ_URL, $forum_id, $row["thread"], $row["message_id"]),
  85              "headline" => $row["subject"],
  86              "description" => $row["body"],
  87              "author" => $row["author"],
  88              "category" => $forums[$row["forum_id"]]["name"]
  89          );
  90  
  91  
  92          $pub_date = max($row["datestamp"], $pub_date);
  93  
  94      }
  95  
  96      if (!$PHORUM['locale']) $PHORUM['locale'] ="en"; //if locale not set make it 'en'
  97  
  98      if($PHORUM["forum_id"]){
  99          $url = phorum_get_url(PHORUM_LIST_URL);
 100          $name = $PHORUM["name"];
 101          $description = strip_tags($PHORUM["description"]);
 102      } else {
 103          $url = phorum_get_url(PHORUM_INDEX_URL);
 104          $name = $PHORUM["title"];
 105          $description = "";
 106      }
 107  
 108      $channel = array(
 109  
 110          "name" => $name,
 111          "url" => $url,
 112          "description" => $description,
 113          "pub_date" => date("r",$pub_date),
 114          "language" => $PHORUM['locale']
 115  
 116      );
 117      $items = rss_bad_word_check($items);
 118      $data = create_rss_feed($channel, $items);
 119  
 120  }
 121  
 122  $charset = '';
 123  if (! empty($GLOBALS["PHORUM"]["DATA"]["CHARSET"])) {
 124      $charset = '; charset=' . htmlspecialchars($GLOBALS["PHORUM"]["DATA"]['CHARSET']);
 125  }
 126  header("Content-Type: text/xml$charset");
 127  
 128  echo $data;
 129  // only do this with caching enabled
 130  if(isset($PHORUM['cache_rss']) && !empty($PHORUM['cache_rss'])) {
 131      phorum_cache_put("rss", $cache_key, $data, 300);
 132  }
 133  
 134  /*******************************************************/
 135  
 136  function create_rss_feed($channel, $items)
 137  {
 138      if(empty($items)){
 139          return;
 140      }
 141  
 142      $encoding = '';
 143      if (! empty($GLOBALS["PHORUM"]["DATA"]["CHARSET"])) {
 144          $encoding = 'encoding="' . htmlspecialchars($GLOBALS["PHORUM"]["DATA"]['CHARSET']) . '"';
 145      }
 146  
 147      $data ="<?xml version=\"1.0\" $encoding ?>\n";
 148      $data.="<rss version=\"2.0\">\n";
 149      $data.="  <channel>\n";
 150      $data.="    <title>".htmlspecialchars(strip_tags($channel["name"]))."</title>\n";
 151      $data.="    <link>" . htmlspecialchars($channel["url"]) . "</link>\n";
 152      $data.="    <description><![CDATA[$channel[description]]]></description>\n";
 153      $data.="    <language>" . htmlspecialchars($channel["language"]) . "</language>\n";
 154  
 155      $data.="    <pubDate>$channel[pub_date]</pubDate>\n";
 156      $data.="    <lastBuildDate>$channel[pub_date]</lastBuildDate>\n";
 157      $data.="    <category>".htmlspecialchars(strip_tags($channel["name"]))."</category>\n";
 158      $data.="    <generator>Phorum ".PHORUM."</generator>\n";
 159  
 160      $data.="    <ttl>60</ttl>\n";
 161  
 162      foreach($items as $item){
 163          $data.="    <item>\n";
 164          $data.="      <title>".htmlspecialchars($item["headline"])."</title>\n";
 165          $data.="      <link>$item[url]</link>\n";
 166          $data.="      <author>".htmlspecialchars($item["author"])."</author>\n";
 167          $data.="      <description><![CDATA[".nl2br(htmlspecialchars($item["description"]))."]]></description>\n";
 168          $data.="      <category>".htmlspecialchars(strip_tags($item["category"]))."</category>\n";
 169          $data.="      <guid isPermaLink=\"true\">".htmlspecialchars($item["url"])."</guid>\n";
 170          $data.="      <pubDate>$item[pub_date]</pubDate>\n";
 171          $data.="    </item>\n";
 172      }
 173  
 174      $data.="  </channel>\n";
 175      $data.="</rss>\n";
 176  
 177      return $data;
 178  }
 179  
 180  
 181  function rss_bad_word_check($items) {
 182      $PHORUM = $GLOBALS["PHORUM"];
 183  
 184      // Prepare the bad-words replacement code.
 185      $bad_word_check= false;
 186      $banlists = phorum_db_get_banlists();
 187      if (isset($banlists[PHORUM_BAD_WORDS]) && is_array($banlists[PHORUM_BAD_WORDS])) {
 188          $replace_vals  = array();
 189          $replace_words = array();
 190          foreach ($banlists[PHORUM_BAD_WORDS] as $item) {
 191              $replace_words[] = "/\b".preg_quote($item['string'])."(ing|ed|s|er|es)*\b/i";
 192              $replace_vals[]  = PHORUM_BADWORD_REPLACE;
 193              $bad_word_check  = true;
 194          }
 195      }
 196  
 197      // only go in if we actually have replace items
 198      if($bad_word_check) {
 199          foreach ($items as $key => $value) {
 200              $items[$key]['headline'] = preg_replace($replace_words, $replace_vals, $items[$key]['headline']);
 201              $items[$key]['description'] = preg_replace($replace_words, $replace_vals, $items[$key]['description']);
 202          }
 203      }
 204  
 205      return $items;
 206  }
 207  
 208  
 209  ?>