1060 lines
40 KiB
PHP
1060 lines
40 KiB
PHP
<?php
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/**
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* LiveJournal API Importer
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*
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* @package WordPress
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* @subpackage Importer
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*/
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// XML-RPC library for communicating with LiveJournal API
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require_once( ABSPATH . WPINC . '/class-IXR.php' );
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/**
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* LiveJournal API Importer class
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*
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* Imports your LiveJournal contents into WordPress using the LJ API
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*
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* @since 2.8
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*/
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class LJ_API_Import {
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var $comments_url = 'http://www.livejournal.com/export_comments.bml';
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var $ixr_url = 'http://www.livejournal.com/interface/xmlrpc';
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var $ixr;
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var $username;
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var $password;
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var $comment_meta;
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var $comments;
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var $usermap;
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var $postmap;
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var $commentmap;
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var $pointers = array();
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// This list taken from LJ, they don't appear to have an API for it
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var $moods = array( '1' => 'aggravated',
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'10' => 'discontent',
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'100' => 'rushed',
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'101' => 'contemplative',
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'102' => 'nerdy',
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'103' => 'geeky',
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'104' => 'cynical',
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'105' => 'quixotic',
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'106' => 'crazy',
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'107' => 'creative',
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'108' => 'artistic',
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'109' => 'pleased',
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'11' => 'energetic',
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'110' => 'bitchy',
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'111' => 'guilty',
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'112' => 'irritated',
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'113' => 'blank',
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'114' => 'apathetic',
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'115' => 'dorky',
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'116' => 'impressed',
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'117' => 'naughty',
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'118' => 'predatory',
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'119' => 'dirty',
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'12' => 'enraged',
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'120' => 'giddy',
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'121' => 'surprised',
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'122' => 'shocked',
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'123' => 'rejected',
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'124' => 'numb',
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'125' => 'cheerful',
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'126' => 'good',
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'127' => 'distressed',
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'128' => 'intimidated',
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'129' => 'crushed',
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'13' => 'enthralled',
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'130' => 'devious',
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'131' => 'thankful',
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'132' => 'grateful',
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'133' => 'jealous',
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'134' => 'nervous',
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'14' => 'exhausted',
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'15' => 'happy',
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'16' => 'high',
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'17' => 'horny',
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'18' => 'hungry',
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'19' => 'infuriated',
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'2' => 'angry',
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'20' => 'irate',
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'21' => 'jubilant',
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'22' => 'lonely',
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'23' => 'moody',
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'24' => 'pissed off',
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'25' => 'sad',
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'26' => 'satisfied',
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'27' => 'sore',
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'28' => 'stressed',
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'29' => 'thirsty',
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'3' => 'annoyed',
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'30' => 'thoughtful',
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'31' => 'tired',
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'32' => 'touched',
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'33' => 'lazy',
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'34' => 'drunk',
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'35' => 'ditzy',
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'36' => 'mischievous',
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'37' => 'morose',
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'38' => 'gloomy',
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'39' => 'melancholy',
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'4' => 'anxious',
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'40' => 'drained',
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'41' => 'excited',
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'42' => 'relieved',
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'43' => 'hopeful',
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'44' => 'amused',
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'45' => 'determined',
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'46' => 'scared',
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'47' => 'frustrated',
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'48' => 'indescribable',
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'49' => 'sleepy',
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'5' => 'bored',
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'51' => 'groggy',
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'52' => 'hyper',
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'53' => 'relaxed',
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'54' => 'restless',
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'55' => 'disappointed',
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'56' => 'curious',
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'57' => 'mellow',
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'58' => 'peaceful',
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'59' => 'bouncy',
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'6' => 'confused',
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'60' => 'nostalgic',
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'61' => 'okay',
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'62' => 'rejuvenated',
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'63' => 'complacent',
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'64' => 'content',
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'65' => 'indifferent',
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'66' => 'silly',
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'67' => 'flirty',
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'68' => 'calm',
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'69' => 'refreshed',
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'7' => 'crappy',
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'70' => 'optimistic',
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'71' => 'pessimistic',
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'72' => 'giggly',
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'73' => 'pensive',
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'74' => 'uncomfortable',
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'75' => 'lethargic',
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'76' => 'listless',
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'77' => 'recumbent',
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'78' => 'exanimate',
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'79' => 'embarrassed',
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'8' => 'cranky',
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'80' => 'envious',
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'81' => 'sympathetic',
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'82' => 'sick',
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'83' => 'hot',
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'84' => 'cold',
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'85' => 'worried',
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'86' => 'loved',
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'87' => 'awake',
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'88' => 'working',
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'89' => 'productive',
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'9' => 'depressed',
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'90' => 'accomplished',
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'91' => 'busy',
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'92' => 'blah',
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'93' => 'full',
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'95' => 'grumpy',
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'96' => 'weird',
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'97' => 'nauseated',
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'98' => 'ecstatic',
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'99' => 'chipper' );
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function header() {
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echo '<div class="wrap">';
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screen_icon();
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echo '<h2>' . __( 'Import LiveJournal' ) . '</h2>';
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}
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function footer() {
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echo '</div>';
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}
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function greet() {
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?>
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<div class="narrow">
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<form action="admin.php?import=livejournal" method="post">
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<?php wp_nonce_field( 'lj-api-import' ) ?>
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<?php if ( get_option( 'ljapi_username' ) && get_option( 'ljapi_password' ) ) : ?>
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<input type="hidden" name="step" value="<?php echo esc_attr( get_option( 'ljapi_step' ) ) ?>" />
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<p><?php _e( 'It looks like you attempted to import your LiveJournal posts previously and got interrupted.' ) ?></p>
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<p class="submit">
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<input type="submit" class="button-primary" value="<?php esc_attr_e( 'Continue previous import' ) ?>" />
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</p>
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<p class="submitbox"><a href="<?php echo esc_url($_SERVER['PHP_SELF'] . '?import=livejournal&step=-1&_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&_wp_http_referer=' . esc_attr( $_SERVER['REQUEST_URI'] )) ?>" class="deletion submitdelete"><?php _e( 'Cancel & start a new import' ) ?></a></p>
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<p>
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<?php else : ?>
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<input type="hidden" name="step" value="1" />
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<input type="hidden" name="login" value="true" />
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<p><?php _e( 'Howdy! This importer allows you to connect directly to LiveJournal and download all your entries and comments' ) ?></p>
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<p><?php _e( 'Enter your LiveJournal username and password below so we can connect to your account:' ) ?></p>
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<table class="form-table">
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<tr>
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<th scope="row"><label for="lj_username"><?php _e( 'LiveJournal Username' ) ?></label></th>
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<td><input type="text" name="lj_username" id="lj_username" class="regular-text" /></td>
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</tr>
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<tr>
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<th scope="row"><label for="lj_password"><?php _e( 'LiveJournal Password' ) ?></label></th>
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<td><input type="password" name="lj_password" id="lj_password" class="regular-text" /></td>
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</tr>
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</table>
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<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>
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<p><?php _e( 'If you don’t enter a password, ALL ENTRIES from your LiveJournal will be imported as public posts in WordPress.' ) ?></p>
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<p><?php _e( 'Enter the password you would like to use for all protected entries here:' ) ?></p>
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<table class="form-table">
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<tr>
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<th scope="row"><label for="protected_password"><?php _e( 'Protected Post Password' ) ?></label></th>
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<td><input type="text" name="protected_password" id="protected_password" class="regular-text" /></td>
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</tr>
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</table>
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<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>
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<p class="submit">
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<input type="submit" class="button-primary" value="<?php esc_attr_e( 'Connect to LiveJournal and Import' ) ?>" />
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</p>
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<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>
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<noscript>
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<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>
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</noscript>
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<?php endif; ?>
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</form>
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</div>
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<?php
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}
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function download_post_meta() {
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$total = (int) get_option( 'ljapi_total' );
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$count = (int) get_option( 'ljapi_count' );
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$lastsync = get_option( 'ljapi_lastsync' );
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if ( !$lastsync ) {
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update_option( 'ljapi_lastsync', '1900-01-01 00:00:00' );
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}
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$sync_item_times = get_option( 'ljapi_sync_item_times' );
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if ( !is_array( $sync_item_times ) )
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$sync_item_times = array();
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do {
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$lastsync = date( 'Y-m-d H:i:s', strtotime( get_option( 'ljapi_lastsync' ) ) );
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$synclist = $this->lj_ixr( 'syncitems', array( 'ver' => 1, 'lastsync' => $lastsync ) );
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if ( is_wp_error( $synclist ) )
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return $synclist;
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// Keep track of if we've downloaded everything
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$total = $synclist['total'];
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$count = $synclist['count'];
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foreach ( $synclist['syncitems'] as $event ) {
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if ( substr( $event['item'], 0, 2 ) == 'L-' ) {
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$sync_item_times[ str_replace( 'L-', '', $event['item'] ) ] = $event['time'];
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if ( $event['time'] > $lastsync ) {
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$lastsync = $event['time'];
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update_option( 'ljapi_lastsync', $lastsync );
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}
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}
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}
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} while ( $total > $count );
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// endwhile - all post meta is cached locally
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unset( $synclist );
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update_option( 'ljapi_sync_item_times', $sync_item_times );
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update_option( 'ljapi_total', $total );
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update_option( 'ljapi_count', $count );
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echo '<p>' . __( 'Post metadata has been downloaded, proceeding with posts...' ) . '</p>';
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}
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function download_post_bodies() {
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$imported_count = (int) get_option( 'ljapi_imported_count' );
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$sync_item_times = get_option( 'ljapi_sync_item_times' );
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$lastsync = get_option( 'ljapi_lastsync_posts' );
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if ( !$lastsync )
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update_option( 'ljapi_lastsync_posts', date( 'Y-m-d H:i:s', 0 ) );
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$count = 0;
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echo '<ol>';
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do {
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$lastsync = date( 'Y-m-d H:i:s', strtotime( get_option( 'ljapi_lastsync_posts' ) ) );
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// Get the batch of items that match up with the syncitems list
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$itemlist = $this->lj_ixr( 'getevents', array( 'ver' => 1,
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'selecttype' => 'syncitems',
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'lineendings' => 'pc',
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'lastsync' => $lastsync ) );
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if ( is_wp_error( $itemlist ) )
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return $itemlist;
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if ( $num = count( $itemlist['events'] ) ) {
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for ( $e = 0; $e < count( $itemlist['events'] ); $e++ ) {
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$event = $itemlist['events'][$e];
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$imported_count++;
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$inserted = $this->import_post( $event );
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if ( is_wp_error( $inserted ) )
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return $inserted;
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if ( $sync_item_times[ $event['itemid'] ] > $lastsync )
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$lastsync = $sync_item_times[ $event['itemid'] ];
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wp_cache_flush();
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}
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update_option( 'ljapi_lastsync_posts', $lastsync );
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update_option( 'ljapi_imported_count', $imported_count );
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update_option( 'ljapi_last_sync_count', $num );
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}
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$count++;
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} while ( $num > 0 && $count < 3 ); // Doing up to 3 requests at a time to avoid memory problems
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// Used so that step1 knows when to stop posting back on itself
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update_option( 'ljapi_last_sync_count', $num );
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// Counter just used to show progress to user
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update_option( 'ljapi_post_batch', ( (int) get_option( 'ljapi_post_batch' ) + 1 ) );
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echo '</ol>';
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}
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function _normalize_tag( $matches ) {
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return '<' . strtolower( $matches[1] );
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}
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function import_post( $post ) {
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global $wpdb;
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// Make sure we haven't already imported this one
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if ( $this->get_wp_post_ID( $post['itemid'] ) )
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return;
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$user = wp_get_current_user();
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$post_author = $user->ID;
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$post['security'] = !empty( $post['security'] ) ? $post['security'] : '';
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$post_status = ( 'private' == trim( $post['security'] ) ) ? 'private' : 'publish'; // Only me
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$post_password = ( 'usemask' == trim( $post['security'] ) ) ? $this->protected_password : ''; // "Friends" via password
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// For some reason, LJ sometimes sends a date as "2004-04-1408:38:00" (no space btwn date/time)
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$post_date = $post['eventtime'];
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if ( 18 == strlen( $post_date ) )
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$post_date = substr( $post_date, 0, 10 ) . ' ' . substr( $post_date, 10 );
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// Cleaning up and linking the title
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$post_title = isset( $post['subject'] ) ? trim( $post['subject'] ) : '';
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$post_title = $this->translate_lj_user( $post_title ); // Translate it, but then we'll strip the link
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$post_title = strip_tags( $post_title ); // Can't have tags in the title in WP
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$post_title = $wpdb->escape( $post_title );
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// Clean up content
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$post_content = $post['event'];
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$post_content = preg_replace_callback( '|<(/?[A-Z]+)|', array( &$this, '_normalize_tag' ), $post_content );
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// XHTMLize some tags
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$post_content = str_replace( '<br>', '<br />', $post_content );
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$post_content = str_replace( '<hr>', '<hr />', $post_content );
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// lj-cut ==> <!--more-->
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$post_content = preg_replace( '|<lj-cut text="([^"]*)">|is', '<!--more $1-->', $post_content );
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$post_content = str_replace( array( '<lj-cut>', '</lj-cut>' ), array( '<!--more-->', '' ), $post_content );
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$first = strpos( $post_content, '<!--more' );
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$post_content = substr( $post_content, 0, $first + 1 ) . preg_replace( '|<!--more(.*)?-->|sUi', '', substr( $post_content, $first + 1 ) );
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// lj-user ==> a href
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$post_content = $this->translate_lj_user( $post_content );
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//$post_content = force_balance_tags( $post_content );
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$post_content = $wpdb->escape( $post_content );
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// Handle any tags associated with the post
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$tags_input = !empty( $post['props']['taglist'] ) ? $post['props']['taglist'] : '';
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// Check if comments are closed on this post
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$comment_status = !empty( $post['props']['opt_nocomments'] ) ? 'closed' : 'open';
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echo '<li>';
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if ( $post_id = post_exists( $post_title, $post_content, $post_date ) ) {
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printf( __( 'Post <strong>%s</strong> already exists.' ), stripslashes( $post_title ) );
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} else {
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printf( __( 'Imported post <strong>%s</strong>...' ), stripslashes( $post_title ) );
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$postdata = compact( 'post_author', 'post_date', 'post_content', 'post_title', 'post_status', 'post_password', 'tags_input', 'comment_status' );
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$post_id = wp_insert_post( $postdata, true );
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if ( is_wp_error( $post_id ) ) {
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if ( 'empty_content' == $post_id->get_error_code() )
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return; // Silent skip on "empty" posts
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return $post_id;
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}
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if ( !$post_id ) {
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_e( 'Couldn’t get post ID (creating post failed!)' );
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echo '</li>';
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return new WP_Error( 'insert_post_failed', __( 'Failed to create post.' ) );
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}
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// Handle all the metadata for this post
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$this->insert_postmeta( $post_id, $post );
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}
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echo '</li>';
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}
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// Convert lj-user tags to links to that user
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function translate_lj_user( $str ) {
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return preg_replace( '|<lj\s+user\s*=\s*["\']([\w-]+)["\']>|', '<a href="http://$1.livejournal.com/" class="lj-user">$1</a>', $str );
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}
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function insert_postmeta( $post_id, $post ) {
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// Need the original LJ id for comments
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add_post_meta( $post_id, 'lj_itemid', $post['itemid'] );
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// And save the permalink on LJ in case we want to link back or something
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add_post_meta( $post_id, 'lj_permalink', $post['url'] );
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// Supports the following "props" from LJ, saved as lj_<prop_name> in wp_postmeta
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// Adult Content - adult_content
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// Location - current_coords + current_location
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// Mood - current_mood (translated from current_moodid)
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// Music - current_music
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// Userpic - picture_keyword
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foreach ( array( 'adult_content', 'current_coords', 'current_location', 'current_moodid', 'current_music', 'picture_keyword' ) as $prop ) {
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if ( !empty( $post['props'][$prop] ) ) {
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if ( 'current_moodid' == $prop ) {
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$prop = 'current_mood';
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$val = $this->moods[ $post['props']['current_moodid'] ];
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} else {
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$val = $post['props'][$prop];
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}
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add_post_meta( $post_id, 'lj_' . $prop, $val );
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}
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}
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}
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// Set up a session (authenticate) with LJ
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function get_session() {
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// Get a session via XMLRPC
|
|
$cookie = $this->lj_ixr( 'sessiongenerate', array( 'ver' => 1, 'expiration' => 'short' ) );
|
|
if ( is_wp_error( $cookie ) )
|
|
return new WP_Error( 'cookie', __( 'Could not get a cookie from LiveJournal. Please try again soon.' ) );
|
|
return new WP_Http_Cookie( array( 'name' => 'ljsession', 'value' => $cookie['ljsession'] ) );
|
|
}
|
|
|
|
// Loops through and gets comment meta from LJ in batches
|
|
function download_comment_meta() {
|
|
$cookie = $this->get_session();
|
|
if ( is_wp_error( $cookie ) )
|
|
return $cookie;
|
|
|
|
// Load previous state (if any)
|
|
$this->usermap = (array) get_option( 'ljapi_usermap' );
|
|
$maxid = get_option( 'ljapi_maxid' ) ? get_option( 'ljapi_maxid' ) : 1;
|
|
$highest_id = get_option( 'ljapi_highest_id' ) ? get_option( 'ljapi_highest_id' ) : 0;
|
|
|
|
// We need to loop over the metadata request until we have it all
|
|
while ( $maxid > $highest_id ) {
|
|
// Now get the meta listing
|
|
$results = wp_remote_get( $this->comments_url . '?get=comment_meta&startid=' . ( $highest_id + 1 ),
|
|
array( 'cookies' => array( $cookie ), 'timeout' => 20 ) );
|
|
if ( is_wp_error( $results ) )
|
|
return new WP_Error( 'comment_meta', __( 'Failed to retrieve comment meta information from LiveJournal. Please try again soon.' ) );
|
|
|
|
$results = wp_remote_retrieve_body( $results );
|
|
|
|
// Get the maxid so we know if we have them all yet
|
|
preg_match( '|<maxid>(\d+)</maxid>|', $results, $matches );
|
|
if ( 0 == $matches[1] ) {
|
|
// No comment meta = no comments for this journal
|
|
echo '<p>' . __( 'You have no comments to import!' ) . '</p>';
|
|
update_option( 'ljapi_highest_id', 1 );
|
|
update_option( 'ljapi_highest_comment_id', 1 );
|
|
return false; // Bail out of comment importing entirely
|
|
}
|
|
$maxid = !empty( $matches[1] ) ? $matches[1] : $maxid;
|
|
|
|
// Parse comments and get highest id available
|
|
preg_match_all( '|<comment id=\'(\d+)\'|is', $results, $matches );
|
|
foreach ( $matches[1] as $id ) {
|
|
if ( $id > $highest_id )
|
|
$highest_id = $id;
|
|
}
|
|
|
|
// Parse out the list of user mappings, and add it to the known list
|
|
preg_match_all( '|<usermap id=\'(\d+)\' user=\'([^\']+)\' />|', $results, $matches );
|
|
foreach ( $matches[1] as $count => $userid )
|
|
$this->usermap[$userid] = $matches[2][$count]; // need this in memory for translating ids => names
|
|
|
|
wp_cache_flush();
|
|
}
|
|
// endwhile - should have seen all comment meta at this point
|
|
|
|
update_option( 'ljapi_usermap', $this->usermap );
|
|
update_option( 'ljapi_maxid', $maxid );
|
|
update_option( 'ljapi_highest_id', $highest_id );
|
|
|
|
echo '<p>' . __( ' Comment metadata downloaded successfully, proceeding with comment bodies...' ) . '</p>';
|
|
|
|
return true;
|
|
}
|
|
|
|
// Downloads actual comment bodies from LJ
|
|
// Inserts them all directly to the DB, with additional info stored in "spare" fields
|
|
function download_comment_bodies() {
|
|
global $wpdb;
|
|
$cookie = $this->get_session();
|
|
if ( is_wp_error( $cookie ) )
|
|
return $cookie;
|
|
|
|
// Load previous state (if any)
|
|
$this->usermap = (array) get_option( 'ljapi_usermap' );
|
|
$maxid = get_option( 'ljapi_maxid' ) ? (int) get_option( 'ljapi_maxid' ) : 1;
|
|
$highest_id = (int) get_option( 'ljapi_highest_comment_id' );
|
|
$loop = 0;
|
|
while ( $maxid > $highest_id && $loop < 5 ) { // We do 5 loops per call to avoid memory limits
|
|
$loop++;
|
|
|
|
// Get a batch of comments, using the highest_id we've already got as a starting point
|
|
$results = wp_remote_get( $this->comments_url . '?get=comment_body&startid=' . ( $highest_id + 1 ),
|
|
array( 'cookies' => array( $cookie ), 'timeout' => 20 ) );
|
|
if ( is_wp_error( $results ) )
|
|
return new WP_Error( 'comment_bodies', __( 'Failed to retrieve comment bodies from LiveJournal. Please try again soon.' ) );
|
|
|
|
$results = wp_remote_retrieve_body( $results );
|
|
|
|
// Parse out each comment and insert directly
|
|
preg_match_all( '|<comment id=\'(\d+)\'.*</comment>|iUs', $results, $matches );
|
|
for ( $c = 0; $c < count( $matches[0] ); $c++ ) {
|
|
// Keep track of highest id seen
|
|
if ( $matches[1][$c] > $highest_id ) {
|
|
$highest_id = $matches[1][$c];
|
|
update_option( 'ljapi_highest_comment_id', $highest_id );
|
|
}
|
|
|
|
$comment = $matches[0][$c];
|
|
|
|
// Filter out any captured, deleted comments (nothing useful to import)
|
|
$comment = preg_replace( '|<comment id=\'\d+\' jitemid=\'\d+\' posterid=\'\d+\' state=\'D\'[^/]*/>|is', '', $comment );
|
|
|
|
// Parse this comment into an array and insert
|
|
$comment = $this->parse_comment( $comment );
|
|
$comment = wp_filter_comment( $comment );
|
|
$id = wp_insert_comment( $comment );
|
|
|
|
// Clear cache
|
|
clean_comment_cache( $id );
|
|
}
|
|
|
|
// Clear cache to preseve memory
|
|
wp_cache_flush();
|
|
}
|
|
// endwhile - all comments downloaded and ready for bulk processing
|
|
|
|
// Counter just used to show progress to user
|
|
update_option( 'ljapi_comment_batch', ( (int) get_option( 'ljapi_comment_batch' ) + 1 ) );
|
|
|
|
return true;
|
|
}
|
|
|
|
// Takes a block of XML and parses out all the elements of the comment
|
|
function parse_comment( $comment ) {
|
|
global $wpdb;
|
|
|
|
// Get the top-level attributes
|
|
preg_match( '|<comment([^>]+)>|i', $comment, $attribs );
|
|
preg_match( '| id=\'(\d+)\'|i', $attribs[1], $matches );
|
|
$lj_comment_ID = $matches[1];
|
|
preg_match( '| jitemid=\'(\d+)\'|i', $attribs[1], $matches );
|
|
$lj_comment_post_ID = $matches[1];
|
|
preg_match( '| posterid=\'(\d+)\'|i', $attribs[1], $matches );
|
|
$comment_author_ID = isset( $matches[1] ) ? $matches[1] : 0;
|
|
preg_match( '| parentid=\'(\d+)\'|i', $attribs[1], $matches ); // optional
|
|
$lj_comment_parent = isset( $matches[1] ) ? $matches[1] : 0;
|
|
preg_match( '| state=\'([SDFA])\'|i', $attribs[1], $matches ); // optional
|
|
$lj_comment_state = isset( $matches[1] ) ? $matches[1] : 'A';
|
|
|
|
// Clean up "subject" - this will become the first line of the comment in WP
|
|
preg_match( '|<subject>(.*)</subject>|is', $comment, $matches );
|
|
if ( isset( $matches[1] ) ) {
|
|
$comment_subject = $wpdb->escape( trim( $matches[1] ) );
|
|
if ( 'Re:' == $comment_subject )
|
|
$comment_subject = '';
|
|
}
|
|
|
|
// Get the body and HTMLize it
|
|
preg_match( '|<body>(.*)</body>|is', $comment, $matches );
|
|
$comment_content = !empty( $comment_subject ) ? $comment_subject . "\n\n" . $matches[1] : $matches[1];
|
|
$comment_content = @html_entity_decode( $comment_content, ENT_COMPAT, get_option('blog_charset') );
|
|
$comment_content = str_replace( ''', "'", $comment_content );
|
|
$comment_content = wpautop( $comment_content );
|
|
$comment_content = str_replace( '<br>', '<br />', $comment_content );
|
|
$comment_content = str_replace( '<hr>', '<hr />', $comment_content );
|
|
$comment_content = preg_replace_callback( '|<(/?[A-Z]+)|', array( &$this, '_normalize_tag' ), $comment_content );
|
|
$comment_content = $wpdb->escape( trim( $comment_content ) );
|
|
|
|
// Get and convert the date
|
|
preg_match( '|<date>(.*)</date>|i', $comment, $matches );
|
|
$comment_date = trim( str_replace( array( 'T', 'Z' ), ' ', $matches[1] ) );
|
|
|
|
// Grab IP if available
|
|
preg_match( '|<property name=\'poster_ip\'>(.*)</property>|i', $comment, $matches ); // optional
|
|
$comment_author_IP = isset( $matches[1] ) ? $matches[1] : '';
|
|
|
|
// Try to get something useful for the comment author, especially if it was "my" comment
|
|
$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];
|
|
if ( get_option( 'ljapi_username' ) == $author ) {
|
|
$user = wp_get_current_user();
|
|
$user_id = $user->ID;
|
|
$author = $user->display_name;
|
|
$url = trailingslashit( get_option( 'home' ) );
|
|
} else {
|
|
$user_id = 0;
|
|
$url = ( __( 'Anonymous' ) == $author ) ? '' : 'http://' . $author . '.livejournal.com/';
|
|
}
|
|
|
|
// Send back the array of details
|
|
return array( 'lj_comment_ID' => $lj_comment_ID,
|
|
'lj_comment_post_ID' => $lj_comment_post_ID,
|
|
'lj_comment_parent' => ( !empty( $lj_comment_parent ) ? $lj_comment_parent : 0 ),
|
|
'lj_comment_state' => $lj_comment_state,
|
|
'comment_post_ID' => $this->get_wp_post_ID( $lj_comment_post_ID ),
|
|
'comment_author' => $author,
|
|
'comment_author_url' => $url,
|
|
'comment_author_email' => '',
|
|
'comment_content' => $comment_content,
|
|
'comment_date' => $comment_date,
|
|
'comment_author_IP' => ( !empty( $comment_author_IP ) ? $comment_author_IP : '' ),
|
|
'comment_approved' => ( in_array( $lj_comment_state, array( 'A', 'F' ) ) ? 1 : 0 ),
|
|
'comment_karma' => $lj_comment_ID, // Need this and next value until rethreading is done
|
|
'comment_agent' => $lj_comment_parent,
|
|
'comment_type' => 'livejournal', // Custom type, so we can find it later for processing
|
|
'user_ID' => $user_id
|
|
);
|
|
}
|
|
|
|
|
|
// Gets the post_ID that a LJ post has been saved as within WP
|
|
function get_wp_post_ID( $post ) {
|
|
global $wpdb;
|
|
|
|
if ( empty( $this->postmap[$post] ) )
|
|
$this->postmap[$post] = (int) $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = 'lj_itemid' AND meta_value = %d", $post ) );
|
|
|
|
return $this->postmap[$post];
|
|
}
|
|
|
|
// Gets the comment_ID that a LJ comment has been saved as within WP
|
|
function get_wp_comment_ID( $comment ) {
|
|
global $wpdb;
|
|
if ( empty( $this->commentmap[$comment] ) )
|
|
$this->commentmap[$comment] = $wpdb->get_var( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_karma = %d", $comment ) );
|
|
return $this->commentmap[$comment];
|
|
}
|
|
|
|
function lj_ixr() {
|
|
if ( $challenge = $this->ixr->query( 'LJ.XMLRPC.getchallenge' ) ) {
|
|
$challenge = $this->ixr->getResponse();
|
|
}
|
|
if ( isset( $challenge['challenge'] ) ) {
|
|
$params = array( 'username' => $this->username,
|
|
'auth_method' => 'challenge',
|
|
'auth_challenge' => $challenge['challenge'],
|
|
'auth_response' => md5( $challenge['challenge'] . md5( $this->password ) ) );
|
|
} else {
|
|
return new WP_Error( 'IXR', __( 'LiveJournal is not responding to authentication requests. Please wait a while and then try again.' ) );
|
|
}
|
|
|
|
$args = func_get_args();
|
|
$method = array_shift( $args );
|
|
if ( isset( $args[0] ) )
|
|
$params = array_merge( $params, $args[0] );
|
|
if ( $this->ixr->query( 'LJ.XMLRPC.' . $method, $params ) ) {
|
|
return $this->ixr->getResponse();
|
|
} else {
|
|
return new WP_Error( 'IXR', __( 'XML-RPC Request Failed -- ' ) . $this->ixr->getErrorCode() . ': ' . $this->ixr->getErrorMessage() );
|
|
}
|
|
}
|
|
|
|
function dispatch() {
|
|
if ( empty( $_REQUEST['step'] ) )
|
|
$step = 0;
|
|
else
|
|
$step = (int) $_REQUEST['step'];
|
|
|
|
$this->header();
|
|
|
|
switch ( $step ) {
|
|
case -1 :
|
|
$this->cleanup();
|
|
// Intentional no break
|
|
case 0 :
|
|
$this->greet();
|
|
break;
|
|
case 1 :
|
|
case 2 :
|
|
case 3 :
|
|
check_admin_referer( 'lj-api-import' );
|
|
$result = $this->{ 'step' . $step }();
|
|
if ( is_wp_error( $result ) ) {
|
|
$this->throw_error( $result, $step );
|
|
}
|
|
break;
|
|
}
|
|
|
|
$this->footer();
|
|
}
|
|
|
|
// Technically the first half of step 1, this is separated to allow for AJAX
|
|
// calls. Sets up some variables and options and confirms authentication.
|
|
function setup() {
|
|
global $verified;
|
|
// Get details from form or from DB
|
|
if ( !empty( $_POST['lj_username'] ) && !empty( $_POST['lj_password'] ) ) {
|
|
// Store details for later
|
|
$this->username = $_POST['lj_username'];
|
|
$this->password = $_POST['lj_password'];
|
|
update_option( 'ljapi_username', $this->username );
|
|
update_option( 'ljapi_password', $this->password );
|
|
} else {
|
|
$this->username = get_option( 'ljapi_username' );
|
|
$this->password = get_option( 'ljapi_password' );
|
|
}
|
|
|
|
// This is the password to set on protected posts
|
|
if ( !empty( $_POST['protected_password'] ) ) {
|
|
$this->protected_password = $_POST['protected_password'];
|
|
update_option( 'ljapi_protected_password', $this->protected_password );
|
|
} else {
|
|
$this->protected_password = get_option( 'ljapi_protected_password' );
|
|
}
|
|
|
|
// Log in to confirm the details are correct
|
|
if ( empty( $this->username ) || empty( $this->password ) ) {
|
|
?>
|
|
<p><?php _e( 'Please enter your LiveJournal username <em>and</em> password so we can download your posts and comments.' ) ?></p>
|
|
<p><a href="<?php echo esc_url($_SERVER['PHP_SELF'] . '?import=livejournal&step=-1&_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&_wp_http_referer=' . esc_attr( str_replace( '&step=1', '', $_SERVER['REQUEST_URI'] ) ) ) ?>"><?php _e( 'Start again' ) ?></a></p>
|
|
<?php
|
|
return false;
|
|
}
|
|
$verified = $this->lj_ixr( 'login' );
|
|
if ( is_wp_error( $verified ) ) {
|
|
if ( 100 == $this->ixr->getErrorCode() || 101 == $this->ixr->getErrorCode() ) {
|
|
delete_option( 'ljapi_username' );
|
|
delete_option( 'ljapi_password' );
|
|
delete_option( 'ljapi_protected_password' );
|
|
?>
|
|
<p><?php _e( 'Logging in to LiveJournal failed. Check your username and password and try again.' ) ?></p>
|
|
<p><a href="<?php echo esc_url($_SERVER['PHP_SELF'] . '?import=livejournal&step=-1&_wpnonce=' . wp_create_nonce( 'lj-api-import' ) . '&_wp_http_referer=' . esc_attr( str_replace( '&step=1', '', $_SERVER['REQUEST_URI'] ) ) ) ?>"><?php _e( 'Start again' ) ?></a></p>
|
|
<?php
|
|
return false;
|
|
} else {
|
|
return $verified;
|
|
}
|
|
} else {
|
|
update_option( 'ljapi_verified', 'yes' );
|
|
}
|
|
|
|
// Set up some options to avoid them autoloading (these ones get big)
|
|
add_option( 'ljapi_sync_item_times', '', '', 'no' );
|
|
add_option( 'ljapi_usermap', '', '', 'no' );
|
|
update_option( 'ljapi_comment_batch', 0 );
|
|
|
|
return true;
|
|
}
|
|
|
|
// Check form inputs and start importing posts
|
|
function step1() {
|
|
global $verified;
|
|
set_time_limit( 0 );
|
|
update_option( 'ljapi_step', 1 );
|
|
if ( !$this->ixr ) $this->ixr = new IXR_Client( $this->ixr_url, false, 80, 30 );
|
|
if ( empty( $_POST['login'] ) ) {
|
|
// We're looping -- load some details from DB
|
|
$this->username = get_option( 'ljapi_username' );
|
|
$this->password = get_option( 'ljapi_password' );
|
|
$this->protected_password = get_option( 'ljapi_protected_password' );
|
|
} else {
|
|
// First run (non-AJAX)
|
|
$setup = $this->setup();
|
|
if ( !$setup ) {
|
|
return false;
|
|
} else if ( is_wp_error( $setup ) ) {
|
|
$this->throw_error( $setup, 1 );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
echo '<div id="ljapi-status">';
|
|
echo '<h3>' . __( 'Importing Posts' ) . '</h3>';
|
|
echo '<p>' . __( 'We’re downloading and importing your LiveJournal posts...' ) . '</p>';
|
|
if ( get_option( 'ljapi_post_batch' ) && count( get_option( 'ljapi_sync_item_times' ) ) ) {
|
|
$batch = count( get_option( 'ljapi_sync_item_times' ) );
|
|
$batch = $count > 300 ? ceil( $batch / 300 ) : 1;
|
|
echo '<p><strong>' . sprintf( __( 'Imported post batch %d of <strong>approximately</strong> %d' ), ( get_option( 'ljapi_post_batch' ) + 1 ), $batch ) . '</strong></p>';
|
|
}
|
|
ob_flush(); flush();
|
|
|
|
if ( !get_option( 'ljapi_lastsync' ) || '1900-01-01 00:00:00' == get_option( 'ljapi_lastsync' ) ) {
|
|
// We haven't downloaded meta yet, so do that first
|
|
$result = $this->download_post_meta();
|
|
if ( is_wp_error( $result ) ) {
|
|
$this->throw_error( $result, 1 );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Download a batch of actual posts
|
|
$result = $this->download_post_bodies();
|
|
if ( is_wp_error( $result ) ) {
|
|
if ( 406 == $this->ixr->getErrorCode() ) {
|
|
?>
|
|
<p><strong><?php _e( 'Uh oh – LiveJournal has disconnected us because we made too many requests to their servers too quickly.' ) ?></strong></p>
|
|
<p><strong><?php _e( 'We’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>
|
|
<?php
|
|
echo $this->next_step( 1, __( 'Try Again' ) );
|
|
return false;
|
|
} else {
|
|
$this->throw_error( $result, 1 );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ( get_option( 'ljapi_last_sync_count' ) > 0 ) {
|
|
?>
|
|
<form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
|
|
<?php wp_nonce_field( 'lj-api-import' ) ?>
|
|
<input type="hidden" name="step" id="step" value="1" />
|
|
<p><input type="submit" class="button-primary" value="<?php esc_attr_e( 'Import the next batch' ) ?>" /> <span id="auto-message"></span></p>
|
|
</form>
|
|
<?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
|
|
<?php
|
|
} else {
|
|
echo '<p>' . __( 'Your posts have all been imported, but wait – there’s more! Now we need to download & import your comments.' ) . '</p>';
|
|
echo $this->next_step( 2, __( 'Download my comments »' ) );
|
|
$this->auto_submit();
|
|
}
|
|
echo '</div>';
|
|
}
|
|
|
|
// Download comments to local XML
|
|
function step2() {
|
|
set_time_limit( 0 );
|
|
update_option( 'ljapi_step', 2 );
|
|
$this->username = get_option( 'ljapi_username' );
|
|
$this->password = get_option( 'ljapi_password' );
|
|
$this->ixr = new IXR_Client( $this->ixr_url, false, 80, 30 );
|
|
|
|
echo '<div id="ljapi-status">';
|
|
echo '<h3>' . __( 'Downloading Comments…' ) . '</h3>';
|
|
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>';
|
|
ob_flush(); flush();
|
|
|
|
if ( !get_option( 'ljapi_usermap' ) ) {
|
|
// We haven't downloaded meta yet, so do that first
|
|
$result = $this->download_comment_meta();
|
|
if ( is_wp_error( $result ) ) {
|
|
$this->throw_error( $result, 2 );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Download a batch of actual comments
|
|
$result = $this->download_comment_bodies();
|
|
if ( is_wp_error( $result ) ) {
|
|
$this->throw_error( $result, 2 );
|
|
return false;
|
|
}
|
|
|
|
$maxid = get_option( 'ljapi_maxid' ) ? (int) get_option( 'ljapi_maxid' ) : 1;
|
|
$highest_id = (int) get_option( 'ljapi_highest_comment_id' );
|
|
if ( $maxid > $highest_id ) {
|
|
$batch = $maxid > 5000 ? ceil( $maxid / 5000 ) : 1;
|
|
?>
|
|
<form action="admin.php?import=livejournal" method="post" id="ljapi-auto-repost">
|
|
<p><strong><?php printf( __( 'Imported comment batch %d of <strong>approximately</strong> %d' ), get_option( 'ljapi_comment_batch' ), $batch ) ?></strong></p>
|
|
<?php wp_nonce_field( 'lj-api-import' ) ?>
|
|
<input type="hidden" name="step" id="step" value="2" />
|
|
<p><input type="submit" class="button-primary" value="<?php esc_attr_e( 'Import the next batch' ) ?>" /> <span id="auto-message"></span></p>
|
|
</form>
|
|
<?php $this->auto_ajax( 'ljapi-auto-repost', 'auto-message', 0 ); ?>
|
|
<?php
|
|
} else {
|
|
echo '<p>' . __( 'Your comments have all been imported now, but we still need to rebuild your conversation threads.' ) . '</p>';
|
|
echo $this->next_step( 3, __( 'Rebuild my comment threads »' ) );
|
|
$this->auto_submit();
|
|
}
|
|
echo '</div>';
|
|
}
|
|
|
|
// Re-thread comments already in the DB
|
|
function step3() {
|
|
global $wpdb;
|
|
set_time_limit( 0 );
|
|
update_option( 'ljapi_step', 3 );
|
|
|
|
echo '<div id="ljapi-status">';
|
|
echo '<h3>' . __( 'Threading Comments…' ) . '</h3>';
|
|
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>';
|
|
ob_flush(); flush();
|
|
|
|
// Only bother adding indexes if they have over 5000 comments (arbitrary number)
|
|
$imported_comments = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->comments} WHERE comment_type = 'livejournal'" );
|
|
$added_indices = false;
|
|
if ( 5000 < $imported_comments ) {
|
|
include_once(ABSPATH . 'wp-admin/includes/upgrade.php');
|
|
$added_indices = true;
|
|
add_clean_index( $wpdb->comments, 'comment_type' );
|
|
add_clean_index( $wpdb->comments, 'comment_karma' );
|
|
add_clean_index( $wpdb->comments, 'comment_agent' );
|
|
}
|
|
|
|
// Get LJ comments, which haven't been threaded yet, 5000 at a time and thread them
|
|
while ( $comments = $wpdb->get_results( "SELECT comment_ID, comment_agent FROM {$wpdb->comments} WHERE comment_type = 'livejournal' AND comment_agent != '0' LIMIT 5000", OBJECT ) ) {
|
|
foreach ( $comments as $comment ) {
|
|
$wpdb->update( $wpdb->comments,
|
|
array( 'comment_parent' => $this->get_wp_comment_ID( $comment->comment_agent ), 'comment_type' => 'livejournal-done' ),
|
|
array( 'comment_ID' => $comment->comment_ID ) );
|
|
}
|
|
wp_cache_flush();
|
|
$wpdb->flush();
|
|
}
|
|
|
|
// Revert the comments table back to normal and optimize it to reclaim space
|
|
if ( $added_indices ) {
|
|
drop_index( $wpdb->comments, 'comment_type' );
|
|
drop_index( $wpdb->comments, 'comment_karma' );
|
|
drop_index( $wpdb->comments, 'comment_agent' );
|
|
$wpdb->query( "OPTIMIZE TABLE {$wpdb->comments}" );
|
|
}
|
|
|
|
// Clean up database and we're out
|
|
$this->cleanup();
|
|
do_action( 'import_done', 'livejournal' );
|
|
if ( $imported_comments > 1 )
|
|
echo '<p>' . sprintf( __( "Successfully re-threaded %s comments." ), number_format( $imported_comments ) ) . '</p>';
|
|
echo '<h3>';
|
|
printf( __( 'All done. <a href="%s">Have fun!</a>' ), get_option( 'home' ) );
|
|
echo '</h3>';
|
|
echo '</div>';
|
|
}
|
|
|
|
// Output an error message with a button to try again.
|
|
function throw_error( $error, $step ) {
|
|
echo '<p><strong>' . $error->get_error_message() . '</strong></p>';
|
|
echo $this->next_step( $step, __( 'Try Again' ) );
|
|
}
|
|
|
|
// Returns the HTML for a link to the next page
|
|
function next_step( $next_step, $label, $id = 'ljapi-next-form' ) {
|
|
$str = '<form action="admin.php?import=livejournal" method="post" id="' . $id . '">';
|
|
$str .= wp_nonce_field( 'lj-api-import', '_wpnonce', true, false );
|
|
$str .= wp_referer_field( false );
|
|
$str .= '<input type="hidden" name="step" id="step" value="' . esc_attr($next_step) . '" />';
|
|
$str .= '<p><input type="submit" class="button-primary" value="' . esc_attr( $label ) . '" /> <span id="auto-message"></span></p>';
|
|
$str .= '</form>';
|
|
|
|
return $str;
|
|
}
|
|
|
|
// Automatically submit the specified form after $seconds
|
|
// Include a friendly countdown in the element with id=$msg
|
|
function auto_submit( $id = 'ljapi-next-form', $msg = 'auto-message', $seconds = 10 ) {
|
|
?><script type="text/javascript">
|
|
next_counter = <?php echo $seconds ?>;
|
|
jQuery(document).ready(function(){
|
|
ljapi_msg();
|
|
});
|
|
|
|
function ljapi_msg() {
|
|
str = '<?php _e( "Continuing in %d…" ) ?>';
|
|
jQuery( '#<?php echo $msg ?>' ).text( str.replace( /%d/, next_counter ) );
|
|
if ( next_counter <= 0 ) {
|
|
if ( jQuery( '#<?php echo $id ?>' ).length ) {
|
|
jQuery( "#<?php echo $id ?> input[type='submit']" ).hide();
|
|
str = '<?php _e( "Continuing…" ) ?> <img src="images/wpspin_light.gif" alt="" id="processing" align="top" />';
|
|
jQuery( '#<?php echo $msg ?>' ).html( str );
|
|
jQuery( '#<?php echo $id ?>' ).submit();
|
|
return;
|
|
}
|
|
}
|
|
next_counter = next_counter - 1;
|
|
setTimeout('ljapi_msg()', 1000);
|
|
}
|
|
</script><?php
|
|
}
|
|
|
|
// Automatically submit the form with #id to continue the process
|
|
// Hide any submit buttons to avoid people clicking them
|
|
// Display a countdown in the element indicated by $msg for "Continuing in x"
|
|
function auto_ajax( $id = 'ljapi-next-form', $msg = 'auto-message', $seconds = 5 ) {
|
|
?><script type="text/javascript">
|
|
next_counter = <?php echo $seconds ?>;
|
|
jQuery(document).ready(function(){
|
|
ljapi_msg();
|
|
});
|
|
|
|
function ljapi_msg() {
|
|
str = '<?php _e( "Continuing in %d…" ) ?>';
|
|
jQuery( '#<?php echo $msg ?>' ).text( str.replace( /%d/, next_counter ) );
|
|
if ( next_counter <= 0 ) {
|
|
if ( jQuery( '#<?php echo $id ?>' ).length ) {
|
|
jQuery( "#<?php echo $id ?> input[type='submit']" ).hide();
|
|
jQuery.ajaxSetup({'timeout':3600000});
|
|
str = '<?php _e( "Processing next batch." ) ?> <img src="images/wpspin_light.gif" alt="" id="processing" align="top" />';
|
|
jQuery( '#<?php echo $msg ?>' ).html( str );
|
|
jQuery('#ljapi-status').load(ajaxurl, {'action':'lj-importer',
|
|
'step':jQuery('#step').val(),
|
|
'_wpnonce':'<?php echo wp_create_nonce( 'lj-api-import' ) ?>',
|
|
'_wp_http_referer':'<?php echo $_SERVER['REQUEST_URI'] ?>'});
|
|
return;
|
|
}
|
|
}
|
|
next_counter = next_counter - 1;
|
|
setTimeout('ljapi_msg()', 1000);
|
|
}
|
|
</script><?php
|
|
}
|
|
|
|
// Remove all options used during import process and
|
|
// set wp_comments entries back to "normal" values
|
|
function cleanup() {
|
|
global $wpdb;
|
|
|
|
delete_option( 'ljapi_username' );
|
|
delete_option( 'ljapi_password' );
|
|
delete_option( 'ljapi_protected_password' );
|
|
delete_option( 'ljapi_verified' );
|
|
delete_option( 'ljapi_total' );
|
|
delete_option( 'ljapi_count' );
|
|
delete_option( 'ljapi_lastsync' );
|
|
delete_option( 'ljapi_last_sync_count' );
|
|
delete_option( 'ljapi_sync_item_times' );
|
|
delete_option( 'ljapi_lastsync_posts' );
|
|
delete_option( 'ljapi_post_batch' );
|
|
delete_option( 'ljapi_imported_count' );
|
|
delete_option( 'ljapi_maxid' );
|
|
delete_option( 'ljapi_usermap' );
|
|
delete_option( 'ljapi_highest_id' );
|
|
delete_option( 'ljapi_highest_comment_id' );
|
|
delete_option( 'ljapi_comment_batch' );
|
|
delete_option( 'ljapi_step' );
|
|
|
|
$wpdb->update( $wpdb->comments,
|
|
array( 'comment_karma' => 0, 'comment_agent' => 'WP LJ Importer', 'comment_type' => '' ),
|
|
array( 'comment_type' => 'livejournal-done' ) );
|
|
$wpdb->update( $wpdb->comments,
|
|
array( 'comment_karma' => 0, 'comment_agent' => 'WP LJ Importer', 'comment_type' => '' ),
|
|
array( 'comment_type' => 'livejournal' ) );
|
|
}
|
|
|
|
function LJ_API_Import() {
|
|
$this->__construct();
|
|
}
|
|
|
|
function __construct() {
|
|
// Nothing
|
|
}
|
|
}
|
|
|
|
$lj_api_import = new LJ_API_Import();
|
|
|
|
register_importer( 'livejournal', __( 'LiveJournal' ), __( 'Import posts from LiveJournal using their API.' ), array( $lj_api_import, 'dispatch' ) );
|
|
?>
|