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   1  <?php
   2  
   3  class LJ_Import {
   4  
   5      var $file;
   6  
   7  	function header() {
   8          echo '<div class="wrap">';
   9          echo '<h2>'.__('Import LiveJournal').'</h2>';
  10      }
  11  
  12  	function footer() {
  13          echo '</div>';
  14      }
  15  
  16  	function unhtmlentities($string) { // From php.net for < 4.3 compat
  17          $trans_tbl = get_html_translation_table(HTML_ENTITIES);
  18          $trans_tbl = array_flip($trans_tbl);
  19          return strtr($string, $trans_tbl);
  20      }
  21  
  22  	function greet() {
  23          echo '<div class="narrow">';
  24          echo '<p>'.__('Howdy! Upload your LiveJournal XML export file and we&#8217;ll import the posts into this blog.').'</p>';
  25          echo '<p>'.__('Choose a LiveJournal XML file to upload, then click Upload file and import.').'</p>';
  26          wp_import_upload_form("admin.php?import=livejournal&amp;step=1");
  27          echo '</div>';
  28      }
  29  
  30  	function import_posts() {
  31          global $wpdb, $current_user;
  32  
  33          set_magic_quotes_runtime(0);
  34          $importdata = file($this->file); // Read the file into an array
  35          $importdata = implode('', $importdata); // squish it
  36          $importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
  37  
  38          preg_match_all('|<entry>(.*?)</entry>|is', $importdata, $posts);
  39          $posts = $posts[1];
  40          unset($importdata);
  41          echo '<ol>';
  42          foreach ($posts as $post) {
  43              preg_match('|<subject>(.*?)</subject>|is', $post, $post_title);
  44              $post_title = $wpdb->escape(trim($post_title[1]));
  45              if ( empty($post_title) ) {
  46                  preg_match('|<itemid>(.*?)</itemid>|is', $post, $post_title);
  47                  $post_title = $wpdb->escape(trim($post_title[1]));
  48              }
  49  
  50              preg_match('|<eventtime>(.*?)</eventtime>|is', $post, $post_date);
  51              $post_date = strtotime($post_date[1]);
  52              $post_date = date('Y-m-d H:i:s', $post_date);
  53  
  54              preg_match('|<event>(.*?)</event>|is', $post, $post_content);
  55              $post_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($post_content[1]));
  56              $post_content = $this->unhtmlentities($post_content);
  57  
  58              // Clean up content
  59              $post_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $post_content);
  60              $post_content = str_replace('<br>', '<br />', $post_content);
  61              $post_content = str_replace('<hr>', '<hr />', $post_content);
  62              $post_content = $wpdb->escape($post_content);
  63  
  64              $post_author = $current_user->ID;
  65              $post_status = 'publish';
  66  
  67              echo '<li>';
  68              if ($post_id = post_exists($post_title, $post_content, $post_date)) {
  69                  printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title));
  70              } else {
  71                  printf(__('Importing post <i>%s</i>...'), stripslashes($post_title));
  72                  $postdata = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
  73                  $post_id = wp_insert_post($postdata);
  74                  if ( is_wp_error( $post_id ) )
  75                      return $post_id;
  76                  if (!$post_id) {
  77                      _e("Couldn't get post ID");
  78                      echo '</li>';
  79                      break;
  80                  }
  81              }
  82  
  83              preg_match_all('|<comment>(.*?)</comment>|is', $post, $comments);
  84              $comments = $comments[1];
  85  
  86              if ( $comments ) {
  87                  $comment_post_ID = (int) $post_id;
  88                  $num_comments = 0;
  89                  foreach ($comments as $comment) {
  90                      preg_match('|<event>(.*?)</event>|is', $comment, $comment_content);
  91                      $comment_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($comment_content[1]));
  92                      $comment_content = $this->unhtmlentities($comment_content);
  93  
  94                      // Clean up content
  95                      $comment_content = preg_replace('|<(/?[A-Z]+)|e', "'<' . strtolower('$1')", $comment_content);
  96                      $comment_content = str_replace('<br>', '<br />', $comment_content);
  97                      $comment_content = str_replace('<hr>', '<hr />', $comment_content);
  98                      $comment_content = $wpdb->escape($comment_content);
  99  
 100                      preg_match('|<eventtime>(.*?)</eventtime>|is', $comment, $comment_date);
 101                      $comment_date = trim($comment_date[1]);
 102                      $comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
 103  
 104                      preg_match('|<name>(.*?)</name>|is', $comment, $comment_author);
 105                      $comment_author = $wpdb->escape(trim($comment_author[1]));
 106  
 107                      preg_match('|<email>(.*?)</email>|is', $comment, $comment_author_email);
 108                      $comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
 109  
 110                      $comment_approved = 1;
 111                      // Check if it's already there
 112                      if (!comment_exists($comment_author, $comment_date)) {
 113                          $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_date', 'comment_content', 'comment_approved');
 114                          $commentdata = wp_filter_comment($commentdata);
 115                          wp_insert_comment($commentdata);
 116                          $num_comments++;
 117                      }
 118                  }
 119              }
 120              if ( $num_comments ) {
 121                  echo ' ';
 122                  printf(__('(%s comments)'), $num_comments);
 123              }
 124              echo '</li>';
 125          }
 126          echo '</ol>';
 127      }
 128  
 129  	function import() {
 130          $file = wp_import_handle_upload();
 131          if ( isset($file['error']) ) {
 132              echo $file['error'];
 133              return;
 134          }
 135  
 136          $this->file = $file['file'];
 137          $result = $this->import_posts();
 138          if ( is_wp_error( $result ) )
 139              return $result;
 140          wp_import_cleanup($file['id']);
 141  
 142          echo '<h3>';
 143          printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
 144          echo '</h3>';
 145      }
 146  
 147  	function dispatch() {
 148          if (empty ($_GET['step']))
 149              $step = 0;
 150          else
 151              $step = (int) $_GET['step'];
 152  
 153          $this->header();
 154  
 155          switch ($step) {
 156              case 0 :
 157                  $this->greet();
 158                  break;
 159              case 1 :
 160                  check_admin_referer('import-upload');
 161                  $result = $this->import();
 162                  if ( is_wp_error( $result ) )
 163                      echo $result->get_error_message();
 164                  break;
 165          }
 166  
 167          $this->footer();
 168      }
 169  
 170  	function LJ_Import() {
 171          // Nothing.
 172      }
 173  }
 174  
 175  $livejournal_import = new LJ_Import();
 176  
 177  register_importer('livejournal', __('LiveJournal'), __('Import posts from a LiveJournal XML export file'), array ($livejournal_import, 'dispatch'));
 178  ?>