/usr/share/wordpress/wp-content/plugins/openid/store.php is in wordpress-openid 3.3.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* store.php
*
* Database Connector for WordPress OpenID
* Dual Licence: GPL & Modified BSD
*/
require_once 'Auth/OpenID/Interface.php';
require_once 'Auth/OpenID/Association.php';
if (!class_exists('WordPress_OpenID_OptionStore')):
/**
* OpenID store that uses the WordPress options table for storage. Originally
* written by Simon Willison for use in the mu-open-id plugin. Modified a fair
* amount for use in WordPress OpenID.
*/
class WordPress_OpenID_OptionStore extends Auth_OpenID_OpenIDStore {
function storeAssociation($server_url, $association) {
$key = $this->_getAssociationKey($server_url, $association->handle);
$association_s = $association->serialize();
// prevent the likelihood of a race condition - don't rely on cache
wp_cache_delete('openid_associations', 'options');
$associations = get_option('openid_associations');
if ($associations == null) {
$associations = array();
}
$associations[$key] = $association_s;
update_option('openid_associations', $associations);
}
function getAssociation($server_url, $handle = null) {
//wp_cache_delete('openid_associations', 'options');
if ($handle === null) {
$handle = '';
}
$key = $this->_getAssociationKey($server_url, $handle);
$associations = get_option('openid_associations');
if ($handle && array_key_exists($key, $associations)) {
return Auth_OpenID_Association::deserialize(
'Auth_OpenID_Association', $associations[$key]
);
} else {
// Return the most recently issued association
$matching_keys = array();
foreach (array_keys($associations) as $assoc_key) {
if (strpos($assoc_key, $key) === 0) {
$matching_keys[] = $assoc_key;
}
}
$matching_associations = array();
// sort by time issued
foreach ($matching_keys as $assoc_key) {
if (array_key_exists($assoc_key, $associations)) {
$association = Auth_OpenID_Association::deserialize(
'Auth_OpenID_Association', $associations[$assoc_key]
);
}
if ($association !== null) {
$matching_associations[] = array(
$association->issued, $association
);
}
}
$issued = array();
$assocs = array();
foreach ($matching_associations as $assoc_key => $assoc) {
$issued[$assoc_key] = $assoc[0];
$assocs[$assoc_key] = $assoc[1];
}
array_multisort($issued, SORT_DESC, $assocs, SORT_DESC,
$matching_associations);
// return the most recently issued one.
if ($matching_associations) {
list($issued, $assoc) = $matching_associations[0];
return $assoc;
} else {
return null;
}
}
}
function _getAssociationKey($server_url, $handle) {
if (strpos($server_url, '://') === false) {
trigger_error(sprintf("Bad server URL: %s", $server_url),
E_USER_WARNING);
return null;
}
list($proto, $rest) = explode('://', $server_url, 2);
$parts = explode('/', $rest);
$domain = $parts[0];
$url_hash = base64_encode($server_url);
if ($handle) {
$handle_hash = base64_encode($handle);
} else {
$handle_hash = '';
}
return sprintf('%s-%s-%s-%s',
$proto, $domain, $url_hash, $handle_hash);
}
function removeAssociation($server_url, $handle) {
// Remove the matching association if it's found, and
// returns whether the association was removed or not.
$key = $this->_getAssociationKey($server_url, $handle);
$assoc = $this->getAssociation($server_url, $handle);
if ($assoc === null) {
return false;
} else {
$associations = get_option('openid_associations');
if (isset($associations[$key])) {
unset($associations[$key]);
update_option('openid_associations', $associations);
return true;
} else {
return false;
}
}
}
function useNonce($server_url, $timestamp, $salt) {
global $Auth_OpenID_SKEW;
if ( abs($timestamp - time()) > $Auth_OpenID_SKEW ) {
return false;
}
$key = $this->_getNonceKey($server_url, $timestamp, $salt);
// prevent the likelihood of a race condition - don't rely on cache
wp_cache_delete('openid_nonces', 'options');
$nonces = get_option('openid_nonces');
if ($nonces == null) {
$nonces = array();
}
if (array_key_exists($key, $nonces)) {
return false;
} else {
$nonces[$key] = $timestamp;
update_option('openid_nonces', $nonces);
return true;
}
}
function _getNonceKey($server_url, $timestamp, $salt) {
if ($server_url) {
list($proto, $rest) = explode('://', $server_url, 2);
} else {
$proto = '';
$rest = '';
}
$parts = explode('/', $rest, 2);
$domain = $parts[0];
$url_hash = base64_encode($server_url);
$salt_hash = base64_encode($salt);
return sprintf('%08x-%s-%s-%s-%s', $timestamp, $proto,
$domain, $url_hash, $salt_hash);
}
function cleanupNonces() {
global $Auth_OpenID_SKEW;
$nonces = get_option('openid_nonces');
foreach ($nonces as $nonce => $time) {
if ( abs($time - time()) > $Auth_OpenID_SKEW ) {
unset($nonces[$nonce]);
}
}
update_option('openid_nonces', $nonces);
}
function cleanupAssociations() {
$associations = get_option('openid_associations');
foreach ($associations as $key => $assoc_s) {
$assoc = Auth_OpenID_Association::deserialize('Auth_OpenID_Association', $assoc_s);
if ( $assoc->getExpiresIn() == 0) {
unset($associations[$key]);
}
}
update_option('openid_associations', $associations);
}
function reset() {
update_option('openid_nonces', array());
update_option('openid_associations', array());
}
}
endif;
/**
* Check to see whether the nonce, association, and identity tables exist.
*
* @param bool $retry if true, tables will try to be recreated if they are not okay
* @return bool if tables are okay
*/
function openid_check_tables($retry=true) {
global $wpdb;
$ok = true;
$message = array();
$tables = array(
openid_identity_table(),
);
foreach( $tables as $t ) {
if( $wpdb->get_var("SHOW TABLES LIKE '$t'") != $t ) {
$ok = false;
$message[] = "Table $t doesn't exist.";
} else {
$message[] = "Table $t exists.";
}
}
if( $retry and !$ok) {
openid_create_tables();
$ok = openid_check_tables( false );
}
return $ok;
}
/**
* Create OpenID related tables in the WordPress database.
*/
function openid_create_tables()
{
global $wpdb;
$store = openid_getStore();
require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
// Create the SQL and call the WP schema upgrade function
$statements = array(
"CREATE TABLE ".openid_identity_table()." (
uurl_id bigint(20) NOT NULL auto_increment,
user_id bigint(20) NOT NULL default '0',
url text,
hash char(32),
PRIMARY KEY (uurl_id),
UNIQUE KEY uurl (hash),
KEY url (url(30)),
KEY user_id (user_id)
)",
);
$sql = implode(';', $statements);
dbDelta($sql);
update_option('openid_db_revision', OPENID_DB_REVISION);
}
/**
* Undo any database changes made by the OpenID plugin. Do not attempt to preserve any data.
*/
function openid_delete_tables() {
global $wpdb;
$wpdb->query('DROP TABLE IF EXISTS ' . openid_identity_table());
$wpdb->query( $wpdb->prepare('DELETE FROM ' . $wpdb->postmeta . ' WHERE meta_key=%s', 'openid_comments') );
// old database changes... just to make sure
$wpdb->query('DROP TABLE IF EXISTS ' . openid_table_prefix(true) . 'openid_nonces');
$wpdb->query('DROP TABLE IF EXISTS ' . openid_table_prefix(true) . 'openid_associations');
// clear old way of storing OpenID comments
$openid_column = $wpdb->get_row('SHOW COLUMNS FROM ' . openid_table_prefix(true) . 'comments LIKE "openid"');
if ($openid_column) {
$wpdb->query('ALTER table ' . $comments_table . ' DROP COLUMN openid');
$wpdb->query( $wpdb->prepare('UPDATE ' . $comments_table . ' SET comment_type=%s WHERE comment_type=%s', '', 'openid') );
}
}
/**
* Migrate old data to new locations.
*/
function openid_migrate_old_data() {
global $wpdb;
// remove old nonce and associations tables
$wpdb->query('DROP TABLE IF EXISTS ' . openid_table_prefix(true) . 'openid_nonces');
$wpdb->query('DROP TABLE IF EXISTS ' . openid_table_prefix(true) . 'openid_associations');
$openid_column = $wpdb->get_row('SHOW COLUMNS FROM ' . openid_table_prefix(true) . 'comments LIKE "openid"');
if ($openid_column) {
// update old style of marking openid comments. For performance reason, we
// migrate them en masse rather than using set_comment_openid()
$comments_table = openid_table_prefix(true) . 'comments';
$comment_data = $wpdb->get_results( $wpdb->prepare('SELECT comment_ID, comment_post_ID from ' . $comments_table . ' WHERE openid=%s OR comment_type=%s', 1, 'openid') );
if (!empty($comment_data)) {
$openid_comments = array();
foreach ($comment_data as $comment) {
if (!array_key_exists($comment->comment_post_ID, $openid_comments)) {
$openid_comments[$comment->comment_post_ID] = array();
}
$openid_comments[$comment->comment_post_ID][] = $comment->comment_ID;
}
foreach ($openid_comments as $post_id => $comments) {
$current = get_post_meta($post_id, 'openid_comments', true);
if (!empty($current)) $comments = array_merge($comments, $current);
update_post_meta($post_id, 'openid_comments', array_unique($comments));
}
}
$wpdb->query('ALTER table ' . $comments_table . ' DROP COLUMN openid');
$wpdb->query( $wpdb->prepare('UPDATE ' . $comments_table . ' SET comment_type=%s WHERE comment_type=%s', '', 'openid') );
}
// remove old style of marking openid users
$usermeta_table = defined('CUSTOM_USER_META_TABLE') ? CUSTOM_USER_META_TABLE : openid_table_prefix() . 'usermeta';
$wpdb->query( $wpdb->prepare('DELETE FROM ' . $usermeta_table . ' WHERE meta_key=%s OR meta_key=%s', 'has_openid', 'registered_with_openid') );
}
function openid_table_prefix($blog_specific = false) {
global $wpdb;
if (isset($wpdb->base_prefix)) {
return $wpdb->base_prefix . ($blog_specific ? $wpdb->blogid . '_' : '');
} else {
return $wpdb->prefix;
}
}
function openid_identity_table() {
return (defined('CUSTOM_OPENID_IDENTITY_TABLE') ? CUSTOM_OPENID_IDENTITY_TABLE : openid_table_prefix() . 'openid_identities');
}
?>
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