324 lines
9.3 KiB
PHP
324 lines
9.3 KiB
PHP
<?php
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function wp_signon( $credentials = '' ) {
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if ( empty($credentials) ) {
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if ( ! empty($_POST['log']) )
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$credentials['user_login'] = $_POST['log'];
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if ( ! empty($_POST['pwd']) )
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$credentials['user_password'] = $_POST['pwd'];
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if ( ! empty($_POST['rememberme']) )
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$credentials['remember'] = $_POST['rememberme'];
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}
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if ( !empty($credentials['user_login']) )
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$credentials['user_login'] = sanitize_user($credentials['user_login']);
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if ( !empty($credentials['user_password']) )
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$credentials['user_password'] = trim($credentials['user_password']);
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if ( !empty($credentials['remember']) )
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$credentials['remember'] = true;
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else
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$credentials['remember'] = false;
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// If no credential info provided, check cookie.
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if ( empty($credentials['user_login']) && empty($credentials['user_password']) ) {
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$user = wp_validate_auth_cookie();
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if ( $user )
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return new WP_User($user);
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if ( !empty($_COOKIE[AUTH_COOKIE]) )
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return new WP_Error('expired_session', __('Your session has expired.'));
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// If the cookie is not set, be silent.
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return new WP_Error();
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}
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if ( empty($credentials['user_login']) || empty($credentials['user_password']) ) {
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$error = new WP_Error();
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if ( empty($credentials['user_login']) )
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$error->add('empty_username', __('<strong>ERROR</strong>: The username field is empty.'));
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if ( empty($credentials['user_password']) )
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$error->add('empty_password', __('<strong>ERROR</strong>: The password field is empty.'));
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return $error;
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}
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do_action_ref_array('wp_authenticate', array(&$credentials['user_login'], &$credentials['user_password']));
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$user = wp_authenticate($credentials['user_login'], $credentials['user_password']);
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if ( is_wp_error($user) )
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return $user;
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wp_set_auth_cookie($user->ID, $credentials['remember']);
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do_action('wp_login', $credentials['user_login']);
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return $user;
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}
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function get_profile($field, $user = false) {
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global $wpdb;
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if ( !$user )
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$user = $wpdb->escape($_COOKIE[USER_COOKIE]);
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return $wpdb->get_var("SELECT $field FROM $wpdb->users WHERE user_login = '$user'");
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}
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function get_usernumposts($userid) {
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global $wpdb;
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$userid = (int) $userid;
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return $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = '$userid' AND post_type = 'post' AND " . get_private_posts_cap_sql('post'));
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}
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// TODO: xmlrpc only. Maybe move to xmlrpc.php.
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function user_pass_ok($user_login,$user_pass) {
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$user = wp_authenticate($user_login, $user_pass);
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if ( is_wp_error($user) )
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return false;
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return true;
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}
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//
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// User option functions
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//
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function get_user_option( $option, $user = 0 ) {
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global $wpdb;
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if ( empty($user) )
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$user = wp_get_current_user();
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else
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$user = get_userdata($user);
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if ( isset( $user->{$wpdb->prefix . $option} ) ) // Blog specific
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return $user->{$wpdb->prefix . $option};
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elseif ( isset( $user->{$option} ) ) // User specific and cross-blog
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return $user->{$option};
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else // Blog global
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return get_option( $option );
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}
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function update_user_option( $user_id, $option_name, $newvalue, $global = false ) {
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global $wpdb;
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if ( !$global )
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$option_name = $wpdb->prefix . $option_name;
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return update_usermeta( $user_id, $option_name, $newvalue );
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}
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// Get users with capabilities for the current blog.
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// For setups that use the multi-blog feature.
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function get_users_of_blog( $id = '' ) {
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global $wpdb, $blog_id;
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if ( empty($id) )
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$id = (int) $blog_id;
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$users = $wpdb->get_results( "SELECT user_id, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE " . $wpdb->users . ".ID = " . $wpdb->usermeta . ".user_id AND meta_key = '" . $wpdb->prefix . "capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
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return $users;
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}
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//
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// User meta functions
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//
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function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
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global $wpdb;
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if ( !is_numeric( $user_id ) )
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return false;
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$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
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if ( is_array($meta_value) || is_object($meta_value) )
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$meta_value = serialize($meta_value);
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$meta_value = trim( $meta_value );
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if ( ! empty($meta_value) )
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$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key' AND meta_value = '$meta_value'");
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else
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$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
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wp_cache_delete($user_id, 'users');
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return true;
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}
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function get_usermeta( $user_id, $meta_key = '') {
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global $wpdb;
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$user_id = (int) $user_id;
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if ( !$user_id )
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return false;
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if ( !empty($meta_key) ) {
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$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
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$metas = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
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} else {
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$metas = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
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}
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if ( empty($metas) ) {
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if ( empty($meta_key) )
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return array();
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else
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return '';
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}
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foreach ($metas as $meta)
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$values[] = maybe_unserialize($meta->meta_value);
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if ( count($values) == 1 )
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return $values[0];
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else
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return $values;
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}
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function update_usermeta( $user_id, $meta_key, $meta_value ) {
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global $wpdb;
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if ( !is_numeric( $user_id ) )
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return false;
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$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
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// FIXME: usermeta data is assumed to be already escaped
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if ( is_string($meta_value) )
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$meta_value = stripslashes($meta_value);
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$meta_value = maybe_serialize($meta_value);
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$meta_value = $wpdb->escape($meta_value);
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if (empty($meta_value)) {
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return delete_usermeta($user_id, $meta_key);
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}
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$cur = $wpdb->get_row("SELECT * FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
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if ( !$cur ) {
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$wpdb->query("INSERT INTO $wpdb->usermeta ( user_id, meta_key, meta_value )
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VALUES
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( '$user_id', '$meta_key', '$meta_value' )");
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} else if ( $cur->meta_value != $meta_value ) {
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$wpdb->query("UPDATE $wpdb->usermeta SET meta_value = '$meta_value' WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
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} else {
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return false;
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}
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wp_cache_delete($user_id, 'users');
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return true;
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}
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//
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// Private helper functions
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//
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// Setup global user vars. Used by set_current_user() for back compat.
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function setup_userdata($user_id = '') {
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global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_pass_md5, $user_identity;
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if ( '' == $user_id )
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$user = wp_get_current_user();
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else
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$user = new WP_User($user_id);
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if ( 0 == $user->ID )
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return;
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$userdata = $user->data;
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$user_login = $user->user_login;
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$user_level = (int) isset($user->user_level) ? $user->user_level : 0;
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$user_ID = (int) $user->ID;
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$user_email = $user->user_email;
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$user_url = $user->user_url;
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$user_pass_md5 = md5($user->user_pass);
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$user_identity = $user->display_name;
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}
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function wp_dropdown_users( $args = '' ) {
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global $wpdb;
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$defaults = array(
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'show_option_all' => '', 'show_option_none' => '',
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'orderby' => 'display_name', 'order' => 'ASC',
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'include' => '', 'exclude' => '',
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'show' => 'display_name', 'echo' => 1,
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'selected' => 0, 'name' => 'user', 'class' => ''
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);
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$defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0;
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$r = wp_parse_args( $args, $defaults );
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extract( $r, EXTR_SKIP );
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$query = "SELECT * FROM $wpdb->users";
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$query_where = array();
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if ( is_array($include) )
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$include = join(',', $include);
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$include = preg_replace('/[^0-9,]/', '', $include); // (int)
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if ( $include )
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$query_where[] = "ID IN ($include)";
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if ( is_array($exclude) )
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$exclude = join(',', $exclude);
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$exclude = preg_replace('/[^0-9,]/', '', $exclude); // (int)
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if ( $exclude )
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$query_where[] = "ID NOT IN ($exclude)";
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if ( $query_where )
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$query .= " WHERE " . join(' AND', $query_where);
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$query .= " ORDER BY $orderby $order";
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$users = $wpdb->get_results( $query );
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$output = '';
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if ( !empty($users) ) {
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$output = "<select name='$name' id='$name' class='$class'>\n";
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if ( $show_option_all )
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$output .= "\t<option value='0'>$show_option_all</option>\n";
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if ( $show_option_none )
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$output .= "\t<option value='-1'>$show_option_none</option>\n";
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foreach ( $users as $user ) {
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$user->ID = (int) $user->ID;
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$_selected = $user->ID == $selected ? " selected='selected'" : '';
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$output .= "\t<option value='$user->ID'$_selected>" . wp_specialchars($user->$show) . "</option>\n";
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}
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$output .= "</select>";
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}
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$output = apply_filters('wp_dropdown_users', $output);
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if ( $echo )
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echo $output;
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return $output;
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}
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function _fill_user( &$user ) {
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global $wpdb;
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$show = $wpdb->hide_errors();
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$metavalues = $wpdb->get_results($wpdb->prepare("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user->ID));
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$wpdb->show_errors($show);
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if ( $metavalues ) {
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foreach ( $metavalues as $meta ) {
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$value = maybe_unserialize($meta->meta_value);
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$user->{$meta->meta_key} = $value;
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}
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}
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$level = $wpdb->prefix . 'user_level';
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if ( isset( $user->{$level} ) )
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$user->user_level = $user->{$level};
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// For backwards compat.
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if ( isset($user->first_name) )
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$user->user_firstname = $user->first_name;
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if ( isset($user->last_name) )
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$user->user_lastname = $user->last_name;
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if ( isset($user->description) )
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$user->user_description = $user->description;
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wp_cache_add($user->ID, $user, 'users');
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wp_cache_add($user->user_login, $user->ID, 'userlogins');
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wp_cache_add($user->user_email, $user->ID, 'useremail');
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}
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?>
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