[Sommaire] [Imprimer]

   1  <?php
   2  
   3  /**
   4   * Create the Spam-X rss feed
   5   * 
   6   * @param items $ array of blacklisted sites
   7   *
   8   * $Id: rss.inc.php,v 1.3 2005/04/10 10:02:46 dhaun Exp $
   9   */
  10  
  11  function Spamx_rss($items)
  12  {
  13      global $_CONF; 
  14      // Basic Data
  15      $about = $_CONF['site_url'] . '/spamx/index.php';
  16      $title = 'Spam-X Blacklist';
  17      $description = 'Personal Spamx Blacklist from site ' . $_CONF['site_name']; 
  18      // Dublic Core Data
  19      $dc = array('dc:publisher' => $_CONF['site_name'],
  20          'dc:creator' => $_CONF['site_name'],
  21          'dc:date' => time());
  22      $rssfile = new RSSWriter($about, $title, $description, $dc); 
  23      // Add items
  24      foreach($items as $item) {
  25          $about = $_CONF['site_url'] . '/spamx/index.php';
  26          $title = $item;
  27          $description = $item;
  28          $dc = array('dc:subject' => 'Personal Blacklist',
  29              'dc:author' => $_CONF['site_name']);
  30          $rssfile->addItem($about, $title, $dc);
  31      } 
  32      // Now write the file
  33      $buff = $rssfile->serialize();
  34      $rdfpath = dirname($_CONF['rdf_file']);
  35      $rdffile = $rdfpath . '/spamx.rdf';
  36      $fp = fopen($rdffile, "w");
  37      fputs($fp, $buff);
  38      fclose($fp);
  39  } 
  40  
  41  // A convenience class to make it easy to write RSS classes
  42  // Edd Dumbill <mailto:edd+rsswriter@usefulinc.com>
  43  
  44  // Revision 1.4  2004/06/11 11:00  towm
  45  // Changed output to string
  46  
  47  // Revision 1.3  2001/05/20 17:58:02  edmundd
  48  // Final distribution tweaks.
  49  
  50  // Revision 1.2  2001/05/20 17:41:30  edmundd
  51  // Ready for distribution.
  52  
  53  // Revision 1.1  2001/05/20 17:01:43  edmundd
  54  // First functional draft of code working.
  55  
  56  // Revision 1.1  2001/05/17 18:17:46  edmundd
  57  // Start of a convenience library to help RSS1.0 creation
  58  
  59  class RSSWriter {
  60      function RSSWriter($uri, $title, $description, $meta = array())
  61      {
  62          $this->chaninfo = array();
  63          $this->website = $uri;
  64          $this->chaninfo["link"] = $uri;
  65          $this->chaninfo["description"] = $description;
  66          $this->chaninfo["title"] = $title;
  67          $this->items = array();
  68          $this->modules = array("dc" => "http://purl.org/dc/elements/1.1/");
  69          $this->channelURI = str_replace("&", "&amp;", "http://" . $GLOBALS["SERVER_NAME"] . $GLOBALS["REQUEST_URI"]);
  70          foreach ($meta as $key => $value) {
  71              $this->chaninfo[$key] = $value;
  72          } 
  73      } 
  74  
  75      function useModule($prefix, $uri)
  76      {
  77          $this->modules[$prefix] = $uri;
  78      } 
  79  
  80      function setImage($imgURI, $imgAlt, $imgWidth = 88, $imgHeight = 31)
  81      {
  82          $this->image = array("uri" => $imgURI, "title" => $imgAlt, "width" => $imgWidth,
  83              "height" => $imgHeight);
  84      } 
  85  
  86      function addItem($uri, $title, $meta = array())
  87      {
  88          $item = array("uri" => $uri, "link" => $uri,
  89              "title" => $this->deTag($title));
  90          foreach ($meta as $key => $value) {
  91              if ($key == "description" || $key == "dc:description") {
  92                  $value = $this->deTag($value);
  93              } 
  94              $item[$key] = $value;
  95          } 
  96          $this->items[] = $item;
  97      } 
  98  
  99      function serialize()
 100      {
 101          $buff = $this->preamble();
 102          $buff .= $this->channelinfo();
 103          $buff .= $this->image();
 104          $buff .= $this->items();
 105          $buff .= $this->postamble();
 106          return $buff;
 107      } 
 108  
 109      function deTag($in)
 110      {
 111          while (ereg('<[^>]+>', $in)) {
 112              $in = ereg_replace('<[^>]+>', '', $in);
 113          } 
 114          return $in;
 115      } 
 116  
 117      function preamble()
 118      { 
 119          // header("Content-type: text/xml");
 120          $display = '<?xml version="1.0" encoding="iso-8859-1"?>
 121  <rdf:RDF 
 122           xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
 123           xmlns="http://purl.org/rss/1.0/"
 124           xmlns:mn="http://usefulinc.com/rss/manifest/"
 125  ';
 126          foreach ($this->modules as $prefix => $uri) {
 127              $display .= "         xmlns:$prefix}=\"$uri}\"\n";
 128          } 
 129          $display .= ">\n\n";
 130          return $display;
 131      } 
 132  
 133      function channelinfo()
 134      {
 135          $display = '  <channel rdf:about="' . $this->channelURI . '">';
 136          $i = $this->chaninfo;
 137          foreach (array("title", "link", "dc:source", "description", "dc:language", "dc:publisher",
 138                  "dc:creator", "dc:rights") as $f) {
 139              if (isset($i[$f])) {
 140                  $display .= "    <$f}>" . htmlspecialchars($i[$f]) . "</$f}>\n";
 141              } 
 142          } 
 143          if (isset($this->image)) {
 144              $display .= "    <image rdf:resource=\"" . htmlspecialchars($this->image["uri"]) . "\" />\n";
 145          } 
 146          $display .= "    <items>\n";
 147          $display .= "      <rdf:Seq>\n";
 148          foreach ($this->items as $i) {
 149              $display .= "        <rdf:li rdf:resource=\"" . htmlspecialchars($i["uri"]) . "\" />\n";
 150          } 
 151          $display .= "      </rdf:Seq>\n";
 152          $display .= "    </items>\n";
 153          $display .= "  </channel>\n\n";
 154          return $display;
 155      } 
 156  
 157      function image()
 158      {
 159          $display = '';
 160          if (isset($this->image)) {
 161              $display .= "  <image rdf:about=\"" . htmlspecialchars($this->image["uri"]) . "\">\n";
 162              $display .= "     <title>" . htmlspecialchars($this->image["title"]) . "</title>\n";
 163              $display .= "     <url>" . htmlspecialchars($this->image["uri"]) . "</url>\n";
 164              $display .= "     <link>" . htmlspecialchars($this->website) . "</link>\n";
 165              if ($this->chaninfo["description"])
 166                  $display .= "     <dc:description>" . htmlspecialchars($this->chaninfo["description"]) . "</dc:description>\n";
 167              $display .= "  </image>\n\n";
 168          } 
 169          return $display;
 170      } 
 171  
 172      function postamble()
 173      {
 174          $display = '  <rdf:Description rdf:ID="manifest">
 175      <mn:channels>
 176        <rdf:Seq>
 177          <rdf:li rdf:resource="' . $this->channelURI . '" />
 178        </rdf:Seq>
 179      </mn:channels>
 180    </rdf:Description>
 181  
 182  </rdf:RDF>
 183  ';
 184          return $display;
 185      } 
 186  
 187      function items()
 188      {
 189          $display = '';
 190          foreach ($this->items as $item) {
 191              $display .= "  <item rdf:about=\"" . htmlspecialchars($item["uri"]) . "\">\n";
 192              foreach ($item as $key => $value) {
 193                  if ($key != "uri") {
 194                      if (is_array($value)) {
 195                          foreach ($value as $v1) {
 196                              $display .= "    <$key}>" . htmlspecialchars($v1) . "</$key}>\n";
 197                          } 
 198                      } else {
 199                          $display .= "    <$key}>" . htmlspecialchars($value) . "</$key}>\n";
 200                      } 
 201                  } 
 202              } 
 203              $display .= "  </item>\n\n";
 204          } 
 205          return $display;
 206      } 
 207  } 
 208  
 209  ?>