plugins/Bookmark/deliciousbackupimporter.php

   1 <?php
   2
   3 class DeliciousBackupImporter
   4 {
   5         function importBookmarks($user, $body)
   6         {
   7                 $doc = $this->importHTML($body);
   8
   9                 $dls = $doc->getElementsByTagName('dl');
  10
  11                 if ($dls->length != 1) {
  12                         throw new ClientException(_("Bad import file."));
  13                 }
  14
  15                 $dl = $dls->item(0);
  16
  17                 $children = $dl->childNodes;
  18
  19                 $dt = null;
  20
  21                 for ($i = 0; $i < $children->length; $i++) {
  22                         try {
  23                                 $child = $children->item($i);
  24                                 if ($child->nodeType != XML_ELEMENT_NODE) {
  25                                         continue;
  26                                 }
  27                                 common_log(LOG_INFO, $child->tagName);
  28                                 switch (strtolower($child->tagName)) {
  29                                 case 'dt':
  30                                         if (!empty($dt)) {
  31                                                 // No DD provided
  32                                                 $this->importBookmark($user, $dt);
  33                                                 $dt = null;
  34                                         }
  35                                         $dt = $child;
  36                                         break;
  37                                 case 'dd':
  38                                         $dd = $child;
  39                                         $saved = $this->importBookmark($user, $dt, $dd);
  40                                         $dt = null;
  41                                         $dd = null;
  42                                 case 'p':
  43                                         common_log(LOG_INFO, 'Skipping the <p> in the <dl>.');
  44                                         break;
  45                                 default:
  46                                         common_log(LOG_WARNING, "Unexpected element $child->tagName found in import.");
  47                                 }
  48                         } catch (Exception $e) {
  49                                 common_log(LOG_ERR, $e->getMessage());
  50                                 $dt = $dd = null;
  51                         }
  52                 }
  53         }
  54
  55         function importBookmark($user, $dt, $dd = null)
  56         {
  57                 // We have to go squirrelling around in the child nodes
  58                 // on the off chance that we've received another <dt>
  59                 // as a child.
  60
  61                 for ($i = 0; $i < $dt->childNodes->length; $i++) {
  62                         $child = $dt->childNodes->item($i);
  63                         if ($child->nodeType == XML_ELEMENT_NODE) {
  64                                 if ($child->tagName == 'dt' && !is_null($dd)) {
  65                                         $this->importBookmark($user, $dt);
  66                                         $this->importBookmark($user, $child, $dd);
  67                                         return;
  68                                 }
  69                         }
  70                 }
  71
  72                 $as = $dt->getElementsByTagName('a');
  73
  74                 if ($as->length == 0) {
  75                         throw new ClientException(_("No <A> tag in a <DT>."));
  76                 }
  77
  78                 $a = $as->item(0);
  79
  80                 $private = $a->getAttribute('private');
  81
  82                 if ($private != 0) {
  83                         throw new ClientException(_('Skipping private bookmark.'));
  84                 }
  85
  86                 if (!empty($dd)) {
  87                         $description = $dd->nodeValue;
  88                 } else {
  89                         $description = null;
  90                 }
  91
  92                 $title       = $a->nodeValue;
  93                 $url         = $a->getAttribute('href');
  94                 $tags        = $a->getAttribute('tags');
  95                 $addDate     = $a->getAttribute('add_date');
  96                 $created     = common_sql_date(intval($addDate));
  97
  98                 $saved = Notice_bookmark::saveNew($user,
  99                                                                                   $title,
 100                                                                                   $url,
 101                                                                                   $tags,
 102                                                                                   $description,
 103                                                                                   array('created' => $created));
 104
 105                 return $saved;
 106         }
 107
 108         function importHTML($body)
 109         {
 110         // DOMDocument::loadHTML may throw warnings on unrecognized elements,
 111         // and notices on unrecognized namespaces.
 112         $old = error_reporting(error_reporting() & ~(E_WARNING | E_NOTICE));
 113         $dom = new DOMDocument();
 114         $ok = $dom->loadHTML($body);
 115         error_reporting($old);
 116
 117                 if ($ok) {
 118                         return $dom;
 119                 } else {
 120                         return null;
 121                 }
 122         }
 123 }