wp-admin/import/livejournal.php

   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 ?>