wp-admin/import/livejournal.php

   1 <?php
   2
   3 /**
   4  * LiveJournal API Importer
   5  *
   6  * @package WordPress
   7  * @subpackage Importer
   8  */
   9
  10 // XML-RPC library for communicating with LiveJournal API
  11 require_once( ABSPATH . WPINC . '/class-IXR.php' );
  12
  13 /**
  14  * LiveJournal API Importer class
  15  *
  16  * Imports your LiveJournal contents into WordPress using the LJ API
  17  *
  18  * @since 2.8
  19  */
  20 class LJ_API_Import {
  21
  22         var $comments_url = 'http://www.livejournal.com/export_comments.bml';
  23         var $ixr_url      = 'http://www.livejournal.com/interface/xmlrpc';
  24         var $ixr;
  25         var $username;
  26         var $password;
  27         var $comment_meta;
  28         var $comments;
  29         var $usermap;
  30         var $postmap;
  31         var $commentmap;
  32         var $pointers = array();
  33
  34         // This list taken from LJ, they don't appear to have an API for it
  35         var $moods = array( '1' => 'aggravated',
  36                                                 '10' => 'discontent',
  37                                                 '100' => 'rushed',
  38                                                 '101' => 'contemplative',
  39                                                 '102' => 'nerdy',
  40                                                 '103' => 'geeky',
  41                                                 '104' => 'cynical',
  42                                                 '105' => 'quixotic',
  43                                                 '106' => 'crazy',
  44                                                 '107' => 'creative',
  45                                                 '108' => 'artistic',
  46                                                 '109' => 'pleased',
  47                                                 '11' => 'energetic',
  48                                                 '110' => 'bitchy',
  49                                                 '111' => 'guilty',
  50                                                 '112' => 'irritated',
  51                                                 '113' => 'blank',
  52                                                 '114' => 'apathetic',
  53                                                 '115' => 'dorky',
  54                                                 '116' => 'impressed',
  55                                                 '117' => 'naughty',
  56                                                 '118' => 'predatory',
  57                                                 '119' => 'dirty',
  58                                                 '12' => 'enraged',
  59                                                 '120' => 'giddy',
  60                                                 '121' => 'surprised',
  61                                                 '122' => 'shocked',
  62                                                 '123' => 'rejected',
  63                                                 '124' => 'numb',
  64                                                 '125' => 'cheerful',
  65                                                 '126' => 'good',
  66                                                 '127' => 'distressed',
  67                                                 '128' => 'intimidated',
  68                                                 '129' => 'crushed',
  69                                                 '13' => 'enthralled',
  70                                                 '130' => 'devious',
  71                                                 '131' => 'thankful',
  72                                                 '132' => 'grateful',
  73                                                 '133' => 'jealous',
  74                                                 '134' => 'nervous',
  75                                                 '14' => 'exhausted',
  76                                                 '15' => 'happy',
  77                                                 '16' => 'high',
  78                                                 '17' => 'horny',
  79                                                 '18' => 'hungry',
  80                                                 '19' => 'infuriated',
  81                                                 '2' => 'angry',
  82                                                 '20' => 'irate',
  83                                                 '21' => 'jubilant',
  84                                                 '22' => 'lonely',
  85                                                 '23' => 'moody',
  86                                                 '24' => 'pissed off',
  87                                                 '25' => 'sad',
  88                                                 '26' => 'satisfied',
  89                                                 '27' => 'sore',
  90                                                 '28' => 'stressed',
  91                                                 '29' => 'thirsty',
  92                                                 '3' => 'annoyed',
  93                                                 '30' => 'thoughtful',
  94                                                 '31' => 'tired',
  95                                                 '32' => 'touched',
  96                                                 '33' => 'lazy',
  97                                                 '34' => 'drunk',
  98                                                 '35' => 'ditzy',
  99                                                 '36' => 'mischievous',
 100                                                 '37' => 'morose',
 101                                                 '38' => 'gloomy',
 102                                                 '39' => 'melancholy',
 103                                                 '4' => 'anxious',
 104                                                 '40' => 'drained',
 105                                                 '41' => 'excited',
 106                                                 '42' => 'relieved',
 107                                                 '43' => 'hopeful',
 108                                                 '44' => 'amused',
 109                                                 '45' => 'determined',
 110                                                 '46' => 'scared',
 111                                                 '47' => 'frustrated',
 112                                                 '48' => 'indescribable',
 113                                                 '49' => 'sleepy',
 114                                                 '5' => 'bored',
 115                                                 '51' => 'groggy',
 116                                                 '52' => 'hyper',
 117                                                 '53' => 'relaxed',
 118                                                 '54' => 'restless',
 119                                                 '55' => 'disappointed',
 120                                                 '56' => 'curious',
 121                                                 '57' => 'mellow',
 122                                                 '58' => 'peaceful',
 123                                                 '59' => 'bouncy',
 124                                                 '6' => 'confused',
 125                                                 '60' => 'nostalgic',
 126                                                 '61' => 'okay',
 127                                                 '62' => 'rejuvenated',
 128                                                 '63' => 'complacent',
 129                                                 '64' => 'content',
 130                                                 '65' => 'indifferent',
 131                                                 '66' => 'silly',
 132                                                 '67' => 'flirty',
 133                                                 '68' => 'calm',
 134                                                 '69' => 'refreshed',
 135                                                 '7' => 'crappy',
 136                                                 '70' => 'optimistic',
 137                                                 '71' => 'pessimistic',
 138                                                 '72' => 'giggly',
 139                                                 '73' => 'pensive',
 140                                                 '74' => 'uncomfortable',
 141                                                 '75' => 'lethargic',
 142                                                 '76' => 'listless',
 143                                                 '77' => 'recumbent',
 144                                                 '78' => 'exanimate',
 145                                                 '79' => 'embarrassed',
 146                                                 '8' => 'cranky',
 147                                                 '80' => 'envious',
 148                                                 '81' => 'sympathetic',
 149                                                 '82' => 'sick',
 150                                                 '83' => 'hot',
 151                                                 '84' => 'cold',
 152                                                 '85' => 'worried',
 153                                                 '86' => 'loved',
 154                                                 '87' => 'awake',
 155                                                 '88' => 'working',
 156                                                 '89' => 'productive',
 157                                                 '9' => 'depressed',
 158                                                 '90' => 'accomplished',
 159                                                 '91' => 'busy',
 160                                                 '92' => 'blah',
 161                                                 '93' => 'full',
 162                                                 '95' => 'grumpy',
 163                                                 '96' => 'weird',
 164                                                 '97' => 'nauseated',
 165                                                 '98' => 'ecstatic',
 166                                                 '99' => 'chipper' );
 167
 168         function header() {
 169                 echo '<div class="wrap">';
 170                 screen_icon();
 171                 echo '<h2>' . __( 'Import LiveJournal' ) . '</h2>';
 172         }
 173
 174         function footer() {
 175                 echo '</div>';
 176         }
 177
 178         function greet() {
 179                 ?>
 180                 <div class="narrow">
 181                 <form action="admin.php?import=livejournal" method="post">
 182                 <?php wp_nonce_field( 'lj-api-import' ) ?>
 183                 <?php if ( get_option( 'ljapi_username' ) && get_option( 'ljapi_password' ) ) : ?>
 184                         <input type="hidden" name="step" value="<?php echo esc_attr( get_option( 'ljapi_step' ) ) ?>" />
 185                         <p><?php _e( 'It looks like you attempted to import your LiveJournal posts previously and got interrupted.' ) ?></p>
 186                         <p class="submit">
 187                                 <input type="submit" class="button-primary" value="<?php esc_attr_e( 'Continue previous import' ) ?>" />
 188                         </p>
 189                         <p class="submitbox"><a href="<?php echo esc_url($_SERVER['PHP_SELF'] . '?import=livejournal&amp;step=-1&amp;_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&amp;_wp_http_referer=' . esc_attr( $_SERVER['REQUEST_URI'] )) ?>" class="deletion submitdelete"><?php _e( 'Cancel &amp; start a new import' ) ?></a></p>
 190                         <p>
 191                 <?php else : ?>
 192                         <input type="hidden" name="step" value="1" />
 193                         <input type="hidden" name="login" value="true" />
 194                         <p><?php _e( 'Howdy! This importer allows you to connect directly to LiveJournal and download all your entries and comments' ) ?></p>
 195                         <p><?php _e( 'Enter your LiveJournal username and password below so we can connect to your account:' ) ?></p>
 196
 197                         <table class="form-table">
 198
 199                         <tr>
 200                         <th scope="row"><label for="lj_username"><?php _e( 'LiveJournal Username' ) ?></label></th>
 201                         <td><input type="text" name="lj_username" id="lj_username" class="regular-text" /></td>
 202                         </tr>
 203
 204                         <tr>
 205                         <th scope="row"><label for="lj_password"><?php _e( 'LiveJournal Password' ) ?></label></th>
 206                         <td><input type="password" name="lj_password" id="lj_password" class="regular-text" /></td>
 207                         </tr>
 208
 209                         </table>
 210
 211                         <p><?php _e( 'If you have any entries on LiveJournal which are marked as private, they will be password-protected when they are imported so that only people who know the password can see them.' ) ?></p>
 212                         <p><?php _e( 'If you don&#8217;t enter a password, ALL ENTRIES from your LiveJournal will be imported as public posts in WordPress.' ) ?></p>
 213                         <p><?php _e( 'Enter the password you would like to use for all protected entries here:' ) ?></p>
 214                         <table class="form-table">
 215
 216                         <tr>
 217                         <th scope="row"><label for="protected_password"><?php _e( 'Protected Post Password' ) ?></label></th>
 218                         <td><input type="text" name="protected_password" id="protected_password" class="regular-text" /></td>
 219                         </tr>
 220
 221                         </table>
 222
 223                         <p><?php _e( "<strong>WARNING:</strong> This can take a really long time if you have a lot of entries in your LiveJournal, or a lot of comments. Ideally, you should only start this process if you can leave your computer alone while it finishes the import." ) ?></p>
 224
 225                         <p class="submit">
 226                                 <input type="submit" class="button-primary" value="<?php esc_attr_e( 'Connect to LiveJournal and Import' ) ?>" />
 227                         </p>
 228
 229                         <p><?php _e( '<strong>NOTE:</strong> If the import process is interrupted for <em>any</em> reason, come back to this page and it will continue from where it stopped automatically.' ) ?></p>
 230
 231                         <noscript>
 232                                 <p><?php _e( '<strong>NOTE:</strong> You appear to have JavaScript disabled, so you will need to manually click through each step of this importer. If you enable JavaScript, it will step through automatically.' ) ?></p>
 233                         </noscript>
 234                 <?php endif; ?>
 235                 </form>
 236                 </div>
 237                 <?php
 238         }
 239
 240         function download_post_meta() {
 241                 $total           = (int) get_option( 'ljapi_total' );
 242                 $count           = (int) get_option( 'ljapi_count' );
 243                 $lastsync        = get_option( 'ljapi_lastsync' );
 244                 if ( !$lastsync ) {
 245                         update_option( 'ljapi_lastsync', '1900-01-01 00:00:00' );
 246                 }
 247                 $sync_item_times = get_option( 'ljapi_sync_item_times' );
 248                 if ( !is_array( $sync_item_times ) )
 249                         $sync_item_times = array();
 250
 251                 do {
 252                         $lastsync = date( 'Y-m-d H:i:s', strtotime( get_option( 'ljapi_lastsync' ) ) );
 253                         $synclist = $this->lj_ixr( 'syncitems', array( 'ver' => 1, 'lastsync' => $lastsync ) );
 254                         if ( is_wp_error( $synclist ) )
 255                                 return $synclist;
 256
 257                         // Keep track of if we've downloaded everything
 258                         $total = $synclist['total'];
 259                         $count = $synclist['count'];
 260
 261                         foreach ( $synclist['syncitems'] as $event ) {
 262                                 if ( substr( $event['item'], 0, 2 ) == 'L-' ) {
 263                                         $sync_item_times[ str_replace( 'L-', '', $event['item'] ) ] = $event['time'];
 264                                         if ( $event['time'] > $lastsync ) {
 265                                                 $lastsync = $event['time'];
 266                                                 update_option( 'ljapi_lastsync', $lastsync );
 267                                         }
 268                                 }
 269                         }
 270                 } while ( $total > $count );
 271                 // endwhile - all post meta is cached locally
 272                 unset( $synclist );
 273                 update_option( 'ljapi_sync_item_times', $sync_item_times );
 274                 update_option( 'ljapi_total', $total );
 275                 update_option( 'ljapi_count', $count );
 276
 277                 echo '<p>' . __( 'Post metadata has been downloaded, proceeding with posts...' ) . '</p>';
 278         }
 279
 280         function download_post_bodies() {
 281                 $imported_count  = (int) get_option( 'ljapi_imported_count' );
 282                 $sync_item_times = get_option( 'ljapi_sync_item_times' );
 283                 $lastsync        = get_option( 'ljapi_lastsync_posts' );
 284                 if ( !$lastsync )
 285                         update_option( 'ljapi_lastsync_posts', date( 'Y-m-d H:i:s', 0 ) );
 286
 287                 $count = 0;
 288                 echo '<ol>';
 289                 do {
 290                         $lastsync = date( 'Y-m-d H:i:s', strtotime( get_option( 'ljapi_lastsync_posts' ) ) );
 291
 292                         // Get the batch of items that match up with the syncitems list
 293                         $itemlist = $this->lj_ixr( 'getevents', array( 'ver' => 1,
 294                                                                                                                         'selecttype' => 'syncitems',
 295                                                                                                                         'lineendings' => 'pc',
 296                                                                                                                         'lastsync' => $lastsync ) );
 297                         if ( is_wp_error( $itemlist ) )
 298                                 return $itemlist;
 299
 300                         if ( $num = count( $itemlist['events'] ) ) {
 301                                 for ( $e = 0; $e < count( $itemlist['events'] ); $e++ ) {
 302                                         $event = $itemlist['events'][$e];
 303                                         $imported_count++;
 304                                         $inserted = $this->import_post( $event );
 305                                         if ( is_wp_error( $inserted ) )
 306                                                 return $inserted;
 307                                         if ( $sync_item_times[ $event['itemid'] ] > $lastsync )
 308                                                 $lastsync = $sync_item_times[ $event['itemid'] ];
 309                                         wp_cache_flush();
 310                                 }
 311                                 update_option( 'ljapi_lastsync_posts',  $lastsync );
 312                                 update_option( 'ljapi_imported_count',  $imported_count );
 313                                 update_option( 'ljapi_last_sync_count', $num );
 314                         }
 315                         $count++;
 316                 } while ( $num > 0 && $count < 3 ); // Doing up to 3 requests at a time to avoid memory problems
 317
 318                 // Used so that step1 knows when to stop posting back on itself
 319                 update_option( 'ljapi_last_sync_count', $num );
 320
 321                 // Counter just used to show progress to user
 322                 update_option( 'ljapi_post_batch', ( (int) get_option( 'ljapi_post_batch' ) + 1 ) );
 323
 324                 echo '</ol>';
 325         }
 326
 327         function import_post( $post ) {
 328                 global $wpdb;
 329
 330                 // Make sure we haven't already imported this one
 331                 if ( $this->get_wp_post_ID( $post['itemid'] ) )
 332                         return;
 333
 334                 $user = wp_get_current_user();
 335                 $post_author      = $user->ID;
 336                 $post['security'] = !empty( $post['security'] ) ? $post['security'] : '';
 337                 $post_status      = ( 'private' == trim( $post['security'] ) ) ? 'private' : 'publish'; // Only me
 338                 $post_password    = ( 'usemask' == trim( $post['security'] ) ) ? $this->protected_password : ''; // "Friends" via password
 339
 340                 // For some reason, LJ sometimes sends a date as "2004-04-1408:38:00" (no space btwn date/time)
 341                 $post_date = $post['eventtime'];
 342                 if ( 18 == strlen( $post_date ) )
 343                         $post_date = substr( $post_date, 0, 10 ) . ' ' . substr( $post_date, 10 );
 344
 345                 // Cleaning up and linking the title
 346                 $post_title = isset( $post['subject'] ) ? trim( $post['subject'] ) : '';
 347                 $post_title = $this->translate_lj_user( $post_title ); // Translate it, but then we'll strip the link
 348                 $post_title = strip_tags( $post_title ); // Can't have tags in the title in WP
 349                 $post_title = $wpdb->escape( $post_title );
 350
 351                 // Clean up content
 352                 $post_content = $post['event'];
 353                 $post_content = preg_replace_callback( '|<(/?[A-Z]+)|', create_function( '$match', 'return "<" . strtolower( $match[1] );' ), $post_content );
 354                 // XHTMLize some tags
 355                 $post_content = str_replace( '<br>', '<br />', $post_content );
 356                 $post_content = str_replace( '<hr>', '<hr />', $post_content );
 357                 // lj-cut ==>  <!--more-->
 358                 $post_content = preg_replace( '|<lj-cut text="([^"]*)">|is', '<!--more $1-->', $post_content );
 359                 $post_content = str_replace( array( '<lj-cut>', '</lj-cut>' ), array( '<!--more-->', '' ), $post_content );
 360                 $first = strpos( $post_content, '<!--more' );
 361                 $post_content = substr( $post_content, 0, $first + 1 ) . preg_replace( '|<!--more(.*)?-->|sUi', '', substr( $post_content, $first + 1 ) );
 362                 // lj-user ==>  a href
 363                 $post_content = $this->translate_lj_user( $post_content );
 364                 //$post_content = force_balance_tags( $post_content );
 365                 $post_content = $wpdb->escape( $post_content );
 366
 367                 // Handle any tags associated with the post
 368                 $tags_input = !empty( $post['props']['taglist'] ) ? $post['props']['taglist'] : '';
 369
 370                 // Check if comments are closed on this post
 371                 $comment_status = !empty( $post['props']['opt_nocomments'] ) ? 'closed' : 'open';
 372
 373                 echo '<li>';
 374                 if ( $post_id = post_exists( $post_title, $post_content, $post_date ) ) {
 375                         printf( __( 'Post <strong>%s</strong> already exists.' ), stripslashes( $post_title ) );
 376                 } else {
 377                         printf( __( 'Imported post <strong>%s</strong>...' ), stripslashes( $post_title ) );
 378                         $postdata = compact( 'post_author', 'post_date', 'post_content', 'post_title', 'post_status', 'post_password', 'tags_input', 'comment_status' );
 379                         $post_id = wp_insert_post( $postdata, true );
 380                         if ( is_wp_error( $post_id ) ) {
 381                                 if ( 'empty_content' == $post_id->get_error_code() )
 382                                         return; // Silent skip on "empty" posts
 383                                 return $post_id;
 384                         }
 385                         if ( !$post_id ) {
 386                                 _e( 'Couldn&#8217;t get post ID (creating post failed!)' );
 387                                 echo '</li>';
 388                                 return new WP_Error( 'insert_post_failed', __( 'Failed to create post.' ) );
 389                         }
 390
 391                         // Handle all the metadata for this post
 392                         $this->insert_postmeta( $post_id, $post );
 393                 }
 394                 echo '</li>';
 395         }
 396
 397         // Convert lj-user tags to links to that user
 398         function translate_lj_user( $str ) {
 399                 return preg_replace( '|<lj\s+user\s*=\s*["\']([\w-]+)["\']>|', '<a href="http://$1.livejournal.com/" class="lj-user">$1</a>', $str );
 400         }
 401
 402         function insert_postmeta( $post_id, $post ) {
 403                 // Need the original LJ id for comments
 404                 add_post_meta( $post_id, 'lj_itemid', $post['itemid'] );
 405
 406                 // And save the permalink on LJ in case we want to link back or something
 407                 add_post_meta( $post_id, 'lj_permalink', $post['url'] );
 408
 409                 // Supports the following "props" from LJ, saved as lj_<prop_name> in wp_postmeta
 410                 //              Adult Content - adult_content
 411                 //              Location - current_coords + current_location
 412                 //              Mood - current_mood (translated from current_moodid)
 413                 //              Music - current_music
 414                 //              Userpic - picture_keyword
 415                 foreach ( array( 'adult_content', 'current_coords', 'current_location', 'current_moodid', 'current_music', 'picture_keyword' ) as $prop ) {
 416                         if ( !empty( $post['props'][$prop] ) ) {
 417                                 if ( 'current_moodid' == $prop ) {
 418                                         $prop = 'current_mood';
 419                                         $val = $this->moods[ $post['props']['current_moodid'] ];
 420                                 } else {
 421                                         $val = $post['props'][$prop];
 422                                 }
 423                                 add_post_meta( $post_id, 'lj_' . $prop, $val );
 424                         }
 425                 }
 426         }
 427
 428         // Set up a session (authenticate) with LJ
 429         function get_session() {
 430                 // Get a session via XMLRPC
 431                 $cookie = $this->lj_ixr( 'sessiongenerate', array( 'ver' => 1, 'expiration' => 'short' ) );
 432                 if ( is_wp_error( $cookie ) )
 433                         return new WP_Error( 'cookie', __( 'Could not get a cookie from LiveJournal. Please try again soon.' ) );
 434                 return new WP_Http_Cookie( array( 'name' => 'ljsession', 'value' => $cookie['ljsession'] ) );
 435         }
 436
 437         // Loops through and gets comment meta from LJ in batches
 438         function download_comment_meta() {
 439                 $cookie = $this->get_session();
 440                 if ( is_wp_error( $cookie ) )
 441                         return $cookie;
 442
 443                 // Load previous state (if any)
 444                 $this->usermap = (array) get_option( 'ljapi_usermap' );
 445                 $maxid         = get_option( 'ljapi_maxid' ) ? get_option( 'ljapi_maxid' ) : 1;
 446                 $highest_id    = get_option( 'ljapi_highest_id' ) ? get_option( 'ljapi_highest_id' ) : 0;
 447
 448                 // We need to loop over the metadata request until we have it all
 449                 while ( $maxid > $highest_id ) {
 450                         // Now get the meta listing
 451                         $results = wp_remote_get( $this->comments_url . '?get=comment_meta&startid=' . ( $highest_id + 1 ),
 452                                                                                 array( 'cookies' => array( $cookie ), 'timeout' => 20 ) );
 453                         if ( is_wp_error( $results ) )
 454                                 return new WP_Error( 'comment_meta', __( 'Failed to retrieve comment meta information from LiveJournal. Please try again soon.' ) );
 455
 456                         $results = wp_remote_retrieve_body( $results );
 457
 458                         // Get the maxid so we know if we have them all yet
 459                         preg_match( '|<maxid>(\d+)</maxid>|', $results, $matches );
 460                         if ( 0 == $matches[1] ) {
 461                                 // No comment meta = no comments for this journal
 462                                 echo '<p>' . __( 'You have no comments to import!' ) . '</p>';
 463                                 update_option( 'ljapi_highest_id', 1 );
 464                                 update_option( 'ljapi_highest_comment_id', 1 );
 465                                 return false; // Bail out of comment importing entirely
 466                         }
 467                         $maxid = !empty( $matches[1] ) ? $matches[1] : $maxid;
 468
 469                         // Parse comments and get highest id available
 470                         preg_match_all( '|<comment id=\'(\d+)\'|is', $results, $matches );
 471                         foreach ( $matches[1] as $id ) {
 472                                 if ( $id > $highest_id )
 473                                         $highest_id = $id;
 474                         }
 475
 476                         // Parse out the list of user mappings, and add it to the known list
 477                         preg_match_all( '|<usermap id=\'(\d+)\' user=\'([^\']+)\' />|', $results, $matches );
 478                         foreach ( $matches[1] as $count => $userid )
 479                                 $this->usermap[$userid] = $matches[2][$count]; // need this in memory for translating ids => names
 480
 481                         wp_cache_flush();
 482                 }
 483                 // endwhile - should have seen all comment meta at this point
 484
 485                 update_option( 'ljapi_usermap',    $this->usermap );
 486                 update_option( 'ljapi_maxid',      $maxid );
 487                 update_option( 'ljapi_highest_id', $highest_id );
 488
 489                 echo '<p>' . __( ' Comment metadata downloaded successfully, proceeding with comment bodies...' ) . '</p>';
 490
 491                 return true;
 492         }
 493
 494         // Downloads actual comment bodies from LJ
 495         // Inserts them all directly to the DB, with additional info stored in "spare" fields
 496         function download_comment_bodies() {
 497                 global $wpdb;
 498                 $cookie = $this->get_session();
 499                 if ( is_wp_error( $cookie ) )
 500                         return $cookie;
 501
 502                 // Load previous state (if any)
 503                 $this->usermap = (array) get_option( 'ljapi_usermap' );
 504                 $maxid         = get_option( 'ljapi_maxid' ) ? (int) get_option( 'ljapi_maxid' ) : 1;
 505                 $highest_id    = (int) get_option( 'ljapi_highest_comment_id' );
 506                 $loop = 0;
 507                 while ( $maxid > $highest_id && $loop < 5 ) { // We do 5 loops per call to avoid memory limits
 508                         $loop++;
 509
 510                         // Get a batch of comments, using the highest_id we've already got as a starting point
 511                         $results = wp_remote_get( $this->comments_url . '?get=comment_body&startid=' . ( $highest_id + 1 ),
 512                                                                                 array( 'cookies' => array( $cookie ), 'timeout' => 20 ) );
 513                         if ( is_wp_error( $results ) )
 514                                 return new WP_Error( 'comment_bodies', __( 'Failed to retrieve comment bodies from LiveJournal. Please try again soon.' ) );
 515
 516                         $results = wp_remote_retrieve_body( $results );
 517
 518                         // Parse out each comment and insert directly
 519                         preg_match_all( '|<comment id=\'(\d+)\'.*</comment>|iUs', $results, $matches );
 520                         for ( $c = 0; $c < count( $matches[0] ); $c++ ) {
 521                                 // Keep track of highest id seen
 522                                 if ( $matches[1][$c] > $highest_id ) {
 523                                         $highest_id = $matches[1][$c];
 524                                         update_option( 'ljapi_highest_comment_id', $highest_id );
 525                                 }
 526
 527                                 $comment = $matches[0][$c];
 528
 529                                 // Filter out any captured, deleted comments (nothing useful to import)
 530                                 $comment = preg_replace( '|<comment id=\'\d+\' jitemid=\'\d+\' posterid=\'\d+\' state=\'D\'[^/]*/>|is', '', $comment );
 531
 532                                 // Parse this comment into an array and insert
 533                                 $comment = $this->parse_comment( $comment );
 534                                 $id = wp_insert_comment( $comment );
 535
 536                                 // Clear cache
 537                                 clean_comment_cache( $id );
 538                         }
 539
 540                         // Clear cache to preseve memory
 541                         wp_cache_flush();
 542                 }
 543                 // endwhile - all comments downloaded and ready for bulk processing
 544
 545                 // Counter just used to show progress to user
 546                 update_option( 'ljapi_comment_batch', ( (int) get_option( 'ljapi_comment_batch' ) + 1 ) );
 547
 548                 return true;
 549         }
 550
 551         // Takes a block of XML and parses out all the elements of the comment
 552         function parse_comment( $comment ) {
 553                 global $wpdb;
 554
 555                 // Get the top-level attributes
 556                 preg_match( '|<comment([^>]+)>|i', $comment, $attribs );
 557                 preg_match( '| id=\'(\d+)\'|i', $attribs[1], $matches );
 558                 $lj_comment_ID = $matches[1];
 559                 preg_match( '| jitemid=\'(\d+)\'|i', $attribs[1], $matches );
 560                 $lj_comment_post_ID = $matches[1];
 561                 preg_match( '| posterid=\'(\d+)\'|i', $attribs[1], $matches );
 562                 $comment_author_ID = isset( $matches[1] ) ? $matches[1] : 0;
 563                 preg_match( '| parentid=\'(\d+)\'|i', $attribs[1], $matches ); // optional
 564                 $lj_comment_parent = isset( $matches[1] ) ? $matches[1] : 0;
 565                 preg_match( '| state=\'([SDFA])\'|i', $attribs[1], $matches ); // optional
 566                 $lj_comment_state = isset( $matches[1] ) ? $matches[1] : 'A';
 567
 568                 // Clean up "subject" - this will become the first line of the comment in WP
 569                 preg_match( '|<subject>(.*)</subject>|is', $comment, $matches );
 570                 if ( isset( $matches[1] ) ) {
 571                         $comment_subject = $wpdb->escape( trim( $matches[1] ) );
 572                         if ( 'Re:' == $comment_subject )
 573                                 $comment_subject = '';
 574                 }
 575
 576                 // Get the body and HTMLize it
 577                 preg_match( '|<body>(.*)</body>|is', $comment, $matches );
 578                 $comment_content = !empty( $comment_subject ) ? $comment_subject . "\n\n" . $matches[1] : $matches[1];
 579                 $comment_content = @html_entity_decode( $comment_content, ENT_COMPAT, get_option('blog_charset') );
 580                 $comment_content = str_replace( '&apos;', "'", $comment_content );
 581                 $comment_content = wpautop( $comment_content );
 582                 $comment_content = str_replace( '<br>', '<br />', $comment_content );
 583                 $comment_content = str_replace( '<hr>', '<hr />', $comment_content );
 584                 $comment_content = preg_replace_callback( '|<(/?[A-Z]+)|', create_function( '$match', 'return "<" . strtolower( $match[1] );' ), $comment_content );
 585                 $comment_content = $wpdb->escape( trim( $comment_content ) );
 586
 587                 // Get and convert the date
 588                 preg_match( '|<date>(.*)</date>|i', $comment, $matches );
 589                 $comment_date = trim( str_replace( array( 'T', 'Z' ), ' ', $matches[1] ) );
 590
 591                 // Grab IP if available
 592                 preg_match( '|<property name=\'poster_ip\'>(.*)</property>|i', $comment, $matches ); // optional
 593                 $comment_author_IP = isset( $matches[1] ) ? $matches[1] : '';
 594
 595                 // Try to get something useful for the comment author, especially if it was "my" comment
 596                 $author = ( empty( $comment_author_ID ) || empty( $this->usermap[$comment_author_ID] ) || substr( $this->usermap[$comment_author_ID], 0, 4 ) == 'ext_' ) ? __( 'Anonymous' ) : $this->usermap[$comment_author_ID];
 597                 if ( get_option( 'ljapi_username' ) == $author ) {
 598                         $user    = wp_get_current_user();
 599                         $user_id = $user->ID;
 600                         $author  = $user->display_name;
 601                         $url     = trailingslashit( get_option( 'home' ) );
 602                 } else {
 603                         $user_id = 0;
 604                         $url     = ( __( 'Anonymous' ) == $author ) ? '' : 'http://' . $author . '.livejournal.com/';
 605                 }
 606
 607                 // Send back the array of details
 608                 return array( 'lj_comment_ID' => $lj_comment_ID,
 609                                                 'lj_comment_post_ID' => $lj_comment_post_ID,
 610                                                 'lj_comment_parent' => ( !empty( $lj_comment_parent ) ? $lj_comment_parent : 0 ),
 611                                                 'lj_comment_state' => $lj_comment_state,
 612                                                 'comment_post_ID' => $this->get_wp_post_ID( $lj_comment_post_ID ),
 613                                                 'comment_author' => $author,
 614                                                 'comment_author_url' => $url,
 615                                                 'comment_author_email' => '',
 616                                                 'comment_content' => $comment_content,
 617                                                 'comment_date' => $comment_date,
 618                                                 'comment_author_IP' => ( !empty( $comment_author_IP ) ? $comment_author_IP : '' ),
 619                                                 'comment_approved' => ( in_array( $lj_comment_state, array( 'A', 'F' ) ) ? 1 : 0 ),
 620                                                 'comment_karma' => $lj_comment_ID, // Need this and next value until rethreading is done
 621                                                 'comment_agent' => $lj_comment_parent,
 622                                                 'comment_type' => 'livejournal',  // Custom type, so we can find it later for processing
 623                                                 'user_ID' => $user_id
 624                                         );
 625         }
 626
 627
 628         // Gets the post_ID that a LJ post has been saved as within WP
 629         function get_wp_post_ID( $post ) {
 630                 global $wpdb;
 631
 632                 if ( empty( $this->postmap[$post] ) )
 633                         $this->postmap[$post] = (int) $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = 'lj_itemid' AND meta_value = %d", $post ) );
 634
 635                 return $this->postmap[$post];
 636         }
 637
 638         // Gets the comment_ID that a LJ comment has been saved as within WP
 639         function get_wp_comment_ID( $comment ) {
 640                 global $wpdb;
 641                 if ( empty( $this->commentmap[$comment] ) )
 642                         $this->commentmap[$comment] = $wpdb->get_var( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_karma = %d", $comment ) );
 643                 return $this->commentmap[$comment];
 644         }
 645
 646         function lj_ixr() {
 647                 if ( $challenge = $this->ixr->query( 'LJ.XMLRPC.getchallenge' ) ) {
 648                         $challenge = $this->ixr->getResponse();
 649                 }
 650                 if ( isset( $challenge['challenge'] ) ) {
 651                         $params = array( 'username' => $this->username,
 652                                                         'auth_method' => 'challenge',
 653                                                         'auth_challenge' => $challenge['challenge'],
 654                                                         'auth_response' => md5( $challenge['challenge'] . md5( $this->password ) ) );
 655                 } else {
 656                         return new WP_Error( 'IXR', __( 'LiveJournal is not responding to authentication requests. Please wait a while and then try again.' ) );
 657                 }
 658
 659                 $args = func_get_args();
 660         $method = array_shift( $args );
 661                 if ( isset( $args[0] ) )
 662                         $params = array_merge( $params, $args[0] );
 663                 if ( $this->ixr->query( 'LJ.XMLRPC.' . $method, $params ) ) {
 664                         return $this->ixr->getResponse();
 665                 } else {
 666                         return new WP_Error( 'IXR', __( 'XML-RPC Request Failed -- ' ) . $this->ixr->getErrorCode() . ': ' . $this->ixr->getErrorMessage() );
 667                 }
 668         }
 669
 670         function dispatch() {
 671                 if ( empty( $_REQUEST['step'] ) )
 672                         $step = 0;
 673                 else
 674                         $step = (int) $_REQUEST['step'];
 675
 676                 $this->header();
 677
 678                 switch ( $step ) {
 679                         case -1 :
 680                                 $this->cleanup();
 681                                 // Intentional no break
 682                         case 0 :
 683                                 $this->greet();
 684                                 break;
 685                         case 1 :
 686                         case 2 :
 687                         case 3 :
 688                                 check_admin_referer( 'lj-api-import' );
 689                                 $result = $this->{ 'step' . $step }();
 690                                 if ( is_wp_error( $result ) ) {
 691                                         $this->throw_error( $result, $step );
 692                                 }
 693                                 break;
 694                 }
 695
 696                 $this->footer();
 697         }
 698
 699         // Technically the first half of step 1, this is separated to allow for AJAX
 700         // calls. Sets up some variables and options and confirms authentication.
 701         function setup() {
 702                 global $verified;
 703                 // Get details from form or from DB
 704                 if ( !empty( $_POST['lj_username'] ) && !empty( $_POST['lj_password'] ) ) {
 705                         // Store details for later
 706                         $this->username = $_POST['lj_username'];
 707                         $this->password = $_POST['lj_password'];
 708                         update_option( 'ljapi_username', $this->username );
 709                         update_option( 'ljapi_password', $this->password );
 710                 } else {
 711                         $this->username = get_option( 'ljapi_username' );
 712                         $this->password = get_option( 'ljapi_password' );
 713                 }
 714
 715                 // This is the password to set on protected posts
 716                 if ( !empty( $_POST['protected_password'] ) ) {
 717                         $this->protected_password = $_POST['protected_password'];
 718                         update_option( 'ljapi_protected_password', $this->protected_password );
 719                 } else {
 720                         $this->protected_password = get_option( 'ljapi_protected_password' );
 721                 }
 722
 723                 // Login to confirm the details are correct
 724                 if ( empty( $this->username ) || empty( $this->password ) ) {
 725                         ?>
 726                         <p><?php _e( 'Please enter your LiveJournal username <em>and</em> password so we can download your posts and comments.' ) ?></p>
 727                         <p><a href="<?php echo esc_url($_SERVER['PHP_SELF'] . '?import=livejournal&amp;step=-1&amp;_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&amp;_wp_http_referer=' . esc_attr( str_replace( '&step=1', '', $_SERVER['REQUEST_URI'] ) ) ) ?>"><?php _e( 'Start again' ) ?></a></p>
 728                         <?php
 729                         return false;
 730                 }
 731                 $verified = $this->lj_ixr( 'login' );
 732                 if ( is_wp_error( $verified ) ) {
 733                         if ( 100 == $this->ixr->getErrorCode() || 101 == $this->ixr->getErrorCode() ) {
 734                                 delete_option( 'ljapi_username' );
 735                                 delete_option( 'ljapi_password' );
 736                                 delete_option( 'ljapi_protected_password' );
 737                                 ?>
 738                                 <p><?php _e( 'Logging in to LiveJournal failed. Check your username and password and try again.' ) ?></p>
 739                                 <p><a href="<?php echo esc_url($_SERVER['PHP_SELF'] . '?import=livejournal&amp;step=-1&amp;_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&amp;_wp_http_referer=' . esc_attr( str_replace( '&step=1', '', $_SERVER['REQUEST_URI'] ) ) ) ?>"><?php _e( 'Start again' ) ?></a></p>
 740                                 <?php
 741                                 return false;
 742                         } else {
 743                                 return $verified;
 744                         }
 745                 } else {
 746                         update_option( 'ljapi_verified', 'yes' );
 747                 }
 748
 749                 // Set up some options to avoid them autoloading (these ones get big)
 750                 add_option( 'ljapi_sync_item_times',  '', '', 'no' );
 751                 add_option( 'ljapi_usermap',          '', '', 'no' );
 752                 update_option( 'ljapi_comment_batch', 0 );
 753
 754                 return true;
 755         }
 756
 757         // Check form inputs and start importing posts
 758         function step1() {
 759                 global $verified;
 760                 set_time_limit( 0 );
 761                 update_option( 'ljapi_step', 1 );
 762                 if ( !$this->ixr ) $this->ixr = new IXR_Client( $this->ixr_url, false, 80, 30 );
 763                 if ( empty( $_POST['login'] ) ) {
 764                         // We're looping -- load some details from DB
 765                         $this->username = get_option( 'ljapi_username' );
 766                         $this->password = get_option( 'ljapi_password' );
 767                         $this->protected_password = get_option( 'ljapi_protected_password' );
 768                 } else {
 769                         // First run (non-AJAX)
 770                         $setup = $this->setup();
 771                         if ( !$setup ) {
 772                                 return false;
 773                         } else if ( is_wp_error( $setup ) ) {
 774                                 $this->throw_error( $setup, 1 );
 775                                 return false;
 776                         }
 777                 }
 778
 779                 echo '<div id="ljapi-status">';
 780                 echo '<h3>' . __( 'Importing Posts' ) . '</h3>';
 781                 echo '<p>' . __( 'We&#8217;re downloading and importing your LiveJournal posts...' ) . '</p>';
 782                 if ( get_option( 'ljapi_post_batch' ) && count( get_option( 'ljapi_sync_item_times' ) ) ) {
 783                         $batch = count( get_option( 'ljapi_sync_item_times' ) );
 784                         $batch = $count > 300 ? ceil( $batch / 300 ) : 1;
 785                         echo '<p><strong>' . sprintf( __( 'Imported post batch %d of <strong>approximately</strong> %d' ), ( get_option( 'ljapi_post_batch' ) + 1 ), $batch ) . '</strong></p>';
 786                 }
 787                 ob_flush(); flush();
 788
 789                 if ( !get_option( 'ljapi_lastsync' ) || '1900-01-01 00:00:00' == get_option( 'ljapi_lastsync' ) ) {
 790                         // We haven't downloaded meta yet, so do that first
 791                         $result = $this->download_post_meta();
 792                         if ( is_wp_error( $result ) ) {
 793                                 $this->throw_error( $result, 1 );
 794                                 return false;
 795                         }
 796                 }
 797
 798                 // Download a batch of actual posts
 799                 $result = $this->download_post_bodies();
 800                 if ( is_wp_error( $result ) ) {
 801                         if ( 406 == $this->ixr->getErrorCode() ) {
 802                                 ?>
 803                                 <p><strong><?php _e( 'Uh oh &ndash; LiveJournal has disconnected us because we made too many requests to their servers too quickly.' ) ?></strong></p>
 804                                 <p><strong><?php _e( 'We&#8217;ve saved where you were up to though, so if you come back to this importer in about 30 minutes, you should be able to continue from where you were.' ) ?></strong></p>
 805                                 <?php
 806                                 echo $this->next_step( 1, __( 'Try Again' ) );
 807                                 return false;
 808                         } else {
 809                                 $this->throw_error( $result, 1 );
 810                                 return false;
 811                         }
 812                 }
 813
 814                 if ( get_option( 'ljapi_last_sync_count' ) > 0 ) {
 815                 ?>
 816                         <form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
 817                         <?php wp_nonce_field( 'lj-api-import' ) ?>
 818                         <input type="hidden" name="step" id="step" value="1" />
 819                         <p><input type="submit" class="button-primary" value="<?php esc_attr_e( 'Import the next batch' ) ?>" /> <span id="auto-message"></span></p>
 820                         </form>
 821                         <?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
 822                 <?php
 823                 } else {
 824                         echo '<p>' . __( 'Your posts have all been imported, but wait &#8211; there&#8217;s more! Now we need to download &amp; import your comments.' ) . '</p>';
 825                         echo $this->next_step( 2, __( 'Download my comments &raquo;' ) );
 826                         $this->auto_submit();
 827                 }
 828                 echo '</div>';
 829         }
 830
 831         // Download comments to local XML
 832         function step2() {
 833                 set_time_limit( 0 );
 834                 update_option( 'ljapi_step', 2 );
 835                 $this->username = get_option( 'ljapi_username' );
 836                 $this->password = get_option( 'ljapi_password' );
 837                 $this->ixr = new IXR_Client( $this->ixr_url, false, 80, 30 );
 838
 839                 echo '<div id="ljapi-status">';
 840                 echo '<h3>' . __( 'Downloading Comments' ) . '</h3>';
 841                 echo '<p>' . __( 'Now we will download your comments so we can import them (this could take a <strong>long</strong> time if you have lots of comments)...' ) . '</p>';
 842                 ob_flush(); flush();
 843
 844                 if ( !get_option( 'ljapi_usermap' ) ) {
 845                         // We haven't downloaded meta yet, so do that first
 846                         $result = $this->download_comment_meta();
 847                         if ( is_wp_error( $result ) ) {
 848                                 $this->throw_error( $result, 2 );
 849                                 return false;
 850                         }
 851                 }
 852
 853                 // Download a batch of actual comments
 854                 $result = $this->download_comment_bodies();
 855                 if ( is_wp_error( $result ) ) {
 856                         $this->throw_error( $result, 2 );
 857                         return false;
 858                 }
 859
 860                 $maxid      = get_option( 'ljapi_maxid' ) ? (int) get_option( 'ljapi_maxid' ) : 1;
 861                 $highest_id = (int) get_option( 'ljapi_highest_comment_id' );
 862                 if ( $maxid > $highest_id ) {
 863                         $batch = $maxid > 5000 ? ceil( $maxid / 5000 ) : 1;
 864                 ?>
 865                         <form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
 866                         <p><strong><?php printf( __( 'Imported comment batch %d of <strong>approximately</strong> %d' ), get_option( 'ljapi_comment_batch' ), $batch ) ?></strong></p>
 867                         <?php wp_nonce_field( 'lj-api-import' ) ?>
 868                         <input type="hidden" name="step" id="step" value="2" />
 869                         <p><input type="submit" class="button-primary" value="<?php esc_attr_e( 'Import the next batch' ) ?>" /> <span id="auto-message"></span></p>
 870                         </form>
 871                         <?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
 872                 <?php
 873                 } else {
 874                         echo '<p>' . __( 'Your comments have all been imported now, but we still need to rebuild your conversation threads.' ) . '</p>';
 875                         echo $this->next_step( 3, __( 'Rebuild my comment threads &raquo;' ) );
 876                         $this->auto_submit();
 877                 }
 878                 echo '</div>';
 879         }
 880
 881         // Re-thread comments already in the DB
 882         function step3() {
 883                 global $wpdb;
 884                 set_time_limit( 0 );
 885                 update_option( 'ljapi_step', 3 );
 886
 887                 echo '<div id="ljapi-status">';
 888                 echo '<h3>' . __( 'Threading Comments' ) . '</h3>';
 889                 echo '<p>' . __( 'We are now re-building the threading of your comments (this can also take a while if you have lots of comments)...' ) . '</p>';
 890                 ob_flush(); flush();
 891
 892                 // Only bother adding indexes if they have over 5000 comments (arbitrary number)
 893                 $imported_comments = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->comments} WHERE comment_type = 'livejournal'" );
 894                 $added_indices = false;
 895                 if ( 5000 < $imported_comments ) {
 896                         include_once(ABSPATH . 'wp-admin/includes/upgrade.php');
 897                         $added_indices = true;
 898                         add_clean_index( $wpdb->comments, 'comment_type'  );
 899                         add_clean_index( $wpdb->comments, 'comment_karma' );
 900                         add_clean_index( $wpdb->comments, 'comment_agent' );
 901                 }
 902
 903                 // Get LJ comments, which haven't been threaded yet, 5000 at a time and thread them
 904                 while ( $comments = $wpdb->get_results( "SELECT comment_ID, comment_agent FROM {$wpdb->comments} WHERE comment_type = 'livejournal' AND comment_agent != '0' LIMIT 5000", OBJECT ) ) {
 905                         foreach ( $comments as $comment ) {
 906                                 $wpdb->update( $wpdb->comments,
 907                                                                 array( 'comment_parent' => $this->get_wp_comment_ID( $comment->comment_agent ), 'comment_type' => 'livejournal-done' ),
 908                                                                 array( 'comment_ID' => $comment->comment_ID ) );
 909                         }
 910                         wp_cache_flush();
 911                         $wpdb->flush();
 912                 }
 913
 914                 // Revert the comments table back to normal and optimize it to reclaim space
 915                 if ( $added_indices ) {
 916                         drop_index( $wpdb->comments, 'comment_type'  );
 917                         drop_index( $wpdb->comments, 'comment_karma' );
 918                         drop_index( $wpdb->comments, 'comment_agent' );
 919                         $wpdb->query( "OPTIMIZE TABLE {$wpdb->comments}" );
 920                 }
 921
 922                 // Clean up database and we're out
 923                 $this->cleanup();
 924                 do_action( 'import_done', 'livejournal' );
 925                 if ( $imported_comments > 1 )
 926                         echo '<p>' . sprintf( __( "Successfully re-threaded %s comments." ), number_format( $imported_comments ) ) . '</p>';
 927                 echo '<h3>';
 928                 printf( __( 'All done. <a href="%s">Have fun!</a>' ), get_option( 'home' ) );
 929                 echo '</h3>';
 930                 echo '</div>';
 931         }
 932
 933         // Output an error message with a button to try again.
 934         function throw_error( $error, $step ) {
 935                 echo '<p><strong>' . $error->get_error_message() . '</strong></p>';
 936                 echo $this->next_step( $step, __( 'Try Again' ) );
 937         }
 938
 939         // Returns the HTML for a link to the next page
 940         function next_step( $next_step, $label, $id = 'ljapi-next-form' ) {
 941                 $str  = '<form action="admin.php?import=livejournal" method="post" id="' . $id . '">';
 942                 $str .= wp_nonce_field( 'lj-api-import', '_wpnonce', true, false );
 943                 $str .= wp_referer_field( false );
 944                 $str .= '<input type="hidden" name="step" id="step" value="' . esc_attr($next_step) . '" />';
 945                 $str .= '<p><input type="submit" class="button-primary" value="' . esc_attr( $label ) . '" /> <span id="auto-message"></span></p>';
 946                 $str .= '</form>';
 947
 948                 return $str;
 949         }
 950
 951         // Automatically submit the specified form after $seconds
 952         // Include a friendly countdown in the element with id=$msg
 953         function auto_submit( $id = 'ljapi-next-form', $msg = 'auto-message', $seconds = 10 ) {
 954                 ?><script type="text/javascript">
 955                         next_counter = <?php echo $seconds ?>;
 956                         jQuery(document).ready(function(){
 957                                 ljapi_msg();
 958                         });
 959
 960                         function ljapi_msg() {
 961                                 str = '<?php _e( "Continuing in %d" ) ?>';
 962                                 jQuery( '#<?php echo $msg ?>' ).text( str.replace( /%d/, next_counter ) );
 963                                 if ( next_counter <= 0 ) {
 964                                         if ( jQuery( '#<?php echo $id ?>' ).length ) {
 965                                                 jQuery( "#<?php echo $id ?> input[type='submit']" ).hide();
 966                                                 str = '<?php _e( "Continuing" ) ?> <img src="images/wpspin_light.gif" alt="" id="processing" align="top" />';
 967                                                 jQuery( '#<?php echo $msg ?>' ).html( str );
 968                                                 jQuery( '#<?php echo $id ?>' ).submit();
 969                                                 return;
 970                                         }
 971                                 }
 972                                 next_counter = next_counter - 1;
 973                                 setTimeout('ljapi_msg()', 1000);
 974                         }
 975                 </script><?php
 976         }
 977
 978         // Automatically submit the form with #id to continue the process
 979         // Hide any submit buttons to avoid people clicking them
 980         // Display a countdown in the element indicated by $msg for "Continuing in x"
 981         function auto_ajax( $id = 'ljapi-next-form', $msg = 'auto-message', $seconds = 5 ) {
 982                 ?><script type="text/javascript">
 983                         next_counter = <?php echo $seconds ?>;
 984                         jQuery(document).ready(function(){
 985                                 ljapi_msg();
 986                         });
 987
 988                         function ljapi_msg() {
 989                                 str = '<?php _e( "Continuing in %d" ) ?>';
 990                                 jQuery( '#<?php echo $msg ?>' ).text( str.replace( /%d/, next_counter ) );
 991                                 if ( next_counter <= 0 ) {
 992                                         if ( jQuery( '#<?php echo $id ?>' ).length ) {
 993                                                 jQuery( "#<?php echo $id ?> input[type='submit']" ).hide();
 994                                                 jQuery.ajaxSetup({'timeout':3600000});
 995                                                 str = '<?php _e( "Processing next batch." ) ?> <img src="images/wpspin_light.gif" alt="" id="processing" align="top" />';
 996                                                 jQuery( '#<?php echo $msg ?>' ).html( str );
 997                                                 jQuery('#ljapi-status').load(ajaxurl, {'action':'lj-importer',
 998                                                                                                                                 'step':jQuery('#step').val(),
 999                                                                                                                                 '_wpnonce':'<?php echo wp_create_nonce( 'lj-api-import' ) ?>',
1000                                                                                                                                 '_wp_http_referer':'<?php echo $_SERVER['REQUEST_URI'] ?>'});
1001                                                 return;
1002                                         }
1003                                 }
1004                                 next_counter = next_counter - 1;
1005                                 setTimeout('ljapi_msg()', 1000);
1006                         }
1007                 </script><?php
1008         }
1009
1010         // Remove all options used during import process and
1011         // set wp_comments entries back to "normal" values
1012         function cleanup() {
1013                 global $wpdb;
1014
1015                 delete_option( 'ljapi_username' );
1016                 delete_option( 'ljapi_password' );
1017                 delete_option( 'ljapi_protected_password' );
1018                 delete_option( 'ljapi_verified' );
1019                 delete_option( 'ljapi_total' );
1020                 delete_option( 'ljapi_count' );
1021                 delete_option( 'ljapi_lastsync' );
1022                 delete_option( 'ljapi_last_sync_count' );
1023                 delete_option( 'ljapi_sync_item_times' );
1024                 delete_option( 'ljapi_lastsync_posts' );
1025                 delete_option( 'ljapi_post_batch' );
1026                 delete_option( 'ljapi_imported_count' );
1027                 delete_option( 'ljapi_maxid' );
1028                 delete_option( 'ljapi_usermap' );
1029                 delete_option( 'ljapi_highest_id' );
1030                 delete_option( 'ljapi_highest_comment_id' );
1031                 delete_option( 'ljapi_comment_batch' );
1032                 delete_option( 'ljapi_step' );
1033
1034                 $wpdb->update( $wpdb->comments,
1035                                                 array( 'comment_karma' => 0, 'comment_agent' => 'WP LJ Importer', 'comment_type' => '' ),
1036                                                 array( 'comment_type' => 'livejournal-done' ) );
1037                 $wpdb->update( $wpdb->comments,
1038                                                 array( 'comment_karma' => 0, 'comment_agent' => 'WP LJ Importer', 'comment_type' => '' ),
1039                                                 array( 'comment_type' => 'livejournal' ) );
1040         }
1041
1042         function LJ_API_Import() {
1043                 $this->__construct();
1044         }
1045
1046         function __construct() {
1047                 // Nothing
1048         }
1049 }
1050
1051 $lj_api_import = new LJ_API_Import();
1052
1053 register_importer( 'livejournal', __( 'LiveJournal' ), __( 'Import posts from LiveJournal using their API.' ), array( $lj_api_import, 'dispatch' ) );
1054 ?>