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                 common_debug("<dl> child nodes is " . $children->length);
  20
  21                 $dt = null;
  22
  23                 for ($i = 0; $i < $children->length; $i++) {
  24                         try {
  25                                 $child = $children->item($i);
  26                                 if ($child->nodeType != XML_ELEMENT_NODE) {
  27                                         continue;
  28                                 }
  29                                 common_log(LOG_INFO, $child->tagName);
  30                                 switch (strtolower($child->tagName)) {
  31                                 case 'dt':
  32                                         if (!empty($dt)) {
  33                                                 // No DD provided
  34                                                 $this->importBookmark($user, $dt);
  35                                                 $dt = null;
  36                                         }
  37                                         $dt = $child;
  38                                         break;
  39                                 case 'dd':
  40                                         $dd = $child;
  41                                         $saved = $this->importBookmark($user, $dt, $dd);
  42                                         $dt = null;
  43                                 case 'p':
  44                                         common_log(LOG_INFO, 'Skipping the <p> in the <dl>.');
  45                                         break;
  46                                 default:
  47                                         common_log(LOG_WARNING, "Unexpected element $child->tagName found in import.");
  48                                 }
  49                         } catch (Exception $e) {
  50                                 common_log(LOG_ERR, $e->getMessage());
  51                         }
  52                 }
  53         }
  54
  55         function importBookmark($user, $dt, $dd = null)
  56         {
  57                 common_debug("DT child nodes length = " . $dt->childNodes->length);
  58
  59                 for ($i = 0; $i < $dt->childNodes->length; $i++) {
  60                         $child = $dt->childNodes->item($i);
  61                         if ($child->nodeType == XML_ELEMENT_NODE) {
  62                                 common_debug('DT has an element child with tag name '. $child->tagName);
  63                         }
  64                 }
  65
  66                 $as = $dt->getElementsByTagName('a');
  67
  68                 if ($as->length == 0) {
  69                         throw new ClientException(_("No <A> tag in a <DT>."));
  70                 }
  71
  72                 $a = $as->item(0);
  73
  74                 $private = $a->getAttribute('private');
  75
  76                 if ($private != 0) {
  77                         throw new ClientException(_('Skipping private bookmark.'));
  78                 }
  79
  80                 if (!empty($dd)) {
  81                         $description = $dd->nodeValue;
  82                 } else {
  83                         $description = null;
  84                 }
  85
  86                 $title       = $a->getAttribute('title');
  87                 $url         = $a->getAttribute('href');
  88                 $tags        = $a->getAttribute('tags');
  89                 $addDate     = $a->getAttribute('add_date');
  90                 $created     = common_sql_date(intval($addDate));
  91
  92                 $saved = Notice_bookmark::saveNew($user,
  93                                                                                   $title,
  94                                                                                   $url,
  95                                                                                   $tags,
  96                                                                                   $description,
  97                                                                                   array('created' => $created));
  98
  99                 return $saved;
 100         }
 101
 102         function importHTML($body)
 103         {
 104         // DOMDocument::loadHTML may throw warnings on unrecognized elements,
 105         // and notices on unrecognized namespaces.
 106         $old = error_reporting(error_reporting() & ~(E_WARNING | E_NOTICE));
 107         $dom = new DOMDocument();
 108         $ok = $dom->loadHTML($body);
 109         error_reporting($old);
 110
 111                 if ($ok) {
 112                         return $dom;
 113                 } else {
 114                         return null;
 115                 }
 116         }
 117 }