/app/omb/plugins/wp-plugins/plugins/enabled/wp-openid/core.php

<?php
/*
 Plugin Name: 0_WP-OpenID
 Plugin URI: http://wordpress.org/extend/plugins/openid
 Description: Allows the use of OpenID for account registration, authentication, and commenting.  <em>By <a href="http://verselogic.net">Alan Castonguay</a>.</em>
 Author: Will Norris
 Author URI: http://willnorris.com/
 Version: trunk
 License: Dual GPL (http://www.fsf.org/licensing/licenses/info/GPLv2.html) and Modified BSD (http://www.fsf.org/licensing/licenses/index_html#ModifiedBSD)
 */

define ( 'WPOPENID_PLUGIN_REVISION', preg_replace( '/\$Rev: (.+) \$/', 'svn-\\1',
  '$Rev: 291 $') ); // this needs to be on a separate line so that svn:keywords can work its magic

define ( 'WPOPENID_DB_REVISION', 24426);      // last plugin revision that required database schema changes


define ( 'WPOPENID_LOG_LEVEL', 'debug');     // valid values are debug, info, notice, warning, err, crit, alert, emerg

set_include_path( dirname(__FILE__) . PATH_SEPARATOR . get_include_path() );   // Add plugin directory to include path temporarily

require_once('logic.php');
require_once('interface.php');


@include_once('Log.php');                   // Try loading PEAR_Log from normal include_path.
if (!class_exists('Log')) {                 // If we can't find it, include the copy of
  require_once('OpenIDLog.php');          // PEAR_Log bundled with the plugin
}

restore_include_path();

@session_start();

if  (!class_exists('WordPressOpenID')):
class WordPressOpenID {
  var $store;
  var $consumer;

  var $log;
  var $status = array();

  var $error;      // User friendly error message, defaults to ''.
  var $action;    // Internal action tag. '', 'error', 'redirect'.

  var $response;

  var $enabled = true;

  var $bind_done = false;

  
  function WordPressOpenID() {
    #$wpopenid_log = &Log::singleton('error_log', PEAR_LOG_TYPE_SYSTEM, 'WPOpenID');
    $this->log = &Log::singleton('file', ABSPATH . get_option('upload_path') . '/php.log', 'WPOpenID');

    // Set the log level
    $wpopenid_log_level = constant('PEAR_LOG_' . strtoupper(WPOPENID_LOG_LEVEL));
    $this->log->setMask(Log::UPTO($wpopenid_log_level));
  }


  /**
   * Set Status.
   **/
  function setStatus($slug, $state, $message) {
    $this->status[$slug] = array('state'=>$state,'message'=>$message);
  }


  function textdomain() {
    $lang_folder = PLUGINDIR . '/openid/lang';
    load_plugin_textdomain('openid', $lang_folder);
  }

  function table_prefix() {
    global $wpdb;
    return isset($wpdb->base_prefix) ? $wpdb->base_prefix : $wpdb->prefix;
  }

  function associations_table_name() { return WordPressOpenID::table_prefix() . 'openid_associations'; }
  function nonces_table_name() { return WordPressOpenID::table_prefix() . 'openid_nonces'; }
  function identity_table_name() { return WordPressOpenID::table_prefix() . 'openid_identities'; }
  function comments_table_name() { return WordPressOpenID::table_prefix() . 'comments'; }
  function usermeta_table_name() { return WordPressOpenID::table_prefix() . 'usermeta'; }
}
endif;

if (!function_exists('openid_init')):
function openid_init() {
  if ($GLOBALS['openid'] && is_a($GLOBALS['openid'], 'WordPressOpenID')) {
    return;
  }
  
  $start_mem = memory_get_usage();
  $GLOBALS['openid'] = new WordPressOpenID();
  //WordPressOpenID_Logic::late_bind();
  //WordPressOpenID_Logic::getStore();
  //WordPressOpenID_Logic::getConsumer();
  //set_include_path( dirname(__FILE__) . PATH_SEPARATOR . get_include_path() );
  //require_once 'store.php';
  $GLOBALS['openid']->log->warning("memory usage: " . (int)((memory_get_usage() - $start_mem) / 1000));
}
endif;

// -- Register actions and filters -- //

register_activation_hook('openid/core.php', array('WordPressOpenID_Logic', 'activate_plugin'));
register_deactivation_hook('openid/core.php', array('WordPressOpenID_Logic', 'deactivate_plugin'));

add_action( 'admin_menu', array( 'WordPressOpenID_Interface', 'add_admin_panels' ) );

// Add hooks to handle actions in WordPress
add_action( 'wp_authenticate', array( 'WordPressOpenID_Logic', 'wp_authenticate' ) ); // openid loop start
add_action( 'init', array( 'WordPressOpenID_Logic', 'wp_login_openid' ) ); // openid loop done
add_action( 'init', array( 'WordPressOpenID', 'textdomain' ) ); // load textdomain


// Comment filtering
add_action( 'preprocess_comment', array( 'WordPressOpenID_Logic', 'comment_tagging' ), -99 );
add_action( 'comment_post', array( 'WordPressOpenID_Logic', 'check_author_openid' ), 5 );
add_filter( 'option_require_name_email', array( 'WordPressOpenID_Logic', 'bypass_option_require_name_email') );
add_filter( 'comments_array', array( 'WordPressOpenID_Logic', 'comments_awaiting_moderation'), 10, 2);
add_action( 'sanitize_comment_cookies', array( 'WordPressOpenID_Logic', 'sanitize_comment_cookies'), 15);
add_filter( 'comment_post_redirect', array( 'WordPressOpenID_Logic', 'comment_post_redirect'), 0, 2);
if( get_option('oid_enable_approval') ) {
  add_filter( 'pre_comment_approved', array('WordPressOpenID_Logic', 'comment_approval'));
}
  
// include internal stylesheet
add_action( 'wp_head', array( 'WordPressOpenID_Interface', 'style'));
add_action( 'login_head', array( 'WordPressOpenID_Interface', 'style'));
add_filter( 'get_comment_author_link', array( 'WordPressOpenID_Interface', 'comment_author_link'));

if( get_option('oid_enable_commentform') ) {
  add_action( 'wp_head', array( 'WordPressOpenID_Interface', 'js_setup'), 9);
  add_action( 'wp_footer', array( 'WordPressOpenID_Interface', 'js_setup_foot'));
  add_action( 'wp_footer', array( 'WordPressOpenID_Interface', 'comment_profilelink'), 10);
  add_action( 'wp_footer', array( 'WordPressOpenID_Interface', 'comment_form'), 10);
}

// add OpenID input field to wp-login.php
add_action( 'login_form', array( 'WordPressOpenID_Interface', 'login_form'));
add_action( 'register_form', array( 'WordPressOpenID_Interface', 'register_form'));
add_filter( 'login_errors', array( 'WordPressOpenID_Interface', 'login_form_hide_username_password_errors'));
add_filter( 'init', array( 'WordPressOpenID_Interface', 'init_errors'));

// parse request
add_action('parse_request', array('WordPressOpenID_Logic', 'parse_request'));

// Add custom OpenID options
add_option( 'oid_enable_commentform', true );
add_option( 'oid_plugin_enabled', true );
add_option( 'oid_plugin_revision', 0 );
add_option( 'oid_db_revision', 0 );
add_option( 'oid_enable_approval', false );

add_action( 'delete_user', array( 'WordPressOpenID_Store', 'drop_all_identities_for_user' ) );
add_action( 'cleanup_openid', array( 'WordPressOpenID_Logic', 'cleanup_nonces' ) );



// ---------------------------------------------------------------------
// Exposed functions designed for use in templates, specifically inside
//   `foreach ($comments as $comment)` in comments.php
// ---------------------------------------------------------------------

/**
 * Get a simple OpenID input field, used for disabling unobtrusive mode.
 */
if(!function_exists('openid_input')):
function openid_input() {
  return '<input type="text" id="openid_url" name="openid_url" />';
}
endif;

/**
 * If the current comment was submitted with OpenID, return true
 * useful for  <?php echo ( is_comment_openid() ? 'Submitted with OpenID' : '' ); ?>
 */
if(!function_exists('is_comment_openid')):
function is_comment_openid() {
  global $comment;
  return ( $comment->openid == 1 );
}
endif;

/**
 * If the current user registered with OpenID, return true
 */
if(!function_exists('is_user_openid')):
function is_user_openid($id = null) {
  global $current_user;

  if ($id === null && $current_user !== null) {
    $id = $current_user->ID;
  }

  return $id === null ? false : get_usermeta($id, 'has_openid');
}
endif;

?>