mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-05 02:10:45 +01:00
9771ec5110
git-svn-id: http://svn.automattic.com/wordpress/trunk@7998 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1487 lines
48 KiB
PHP
1487 lines
48 KiB
PHP
<?php
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/**
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* These functions can be replaced via plugins. They are loaded after
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* plugins are loaded.
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*
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* @package WordPress
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*/
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if ( !function_exists('set_current_user') ) :
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/**
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* set_current_user() - Populates global user information for any user
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*
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* Set $id to null and specify a name if you do not know a user's ID
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*
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* @since 2.0.1
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* @see wp_set_current_user() An alias of wp_set_current_user()
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*
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* @param int|null $id User ID.
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* @param string $name Optional. The user's username
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* @return object returns wp_set_current_user()
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*/
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function set_current_user($id, $name = '') {
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return wp_set_current_user($id, $name);
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}
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endif;
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if ( !function_exists('wp_set_current_user') ) :
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/**
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* wp_set_current_user() - Changes the current user by ID or name
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*
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* Set $id to null and specify a name if you do not know a user's ID
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*
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* Some WordPress functionality is based on the current user and
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* not based on the signed in user. Therefore, it opens the ability
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* to edit and perform actions on users who aren't signed in.
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*
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* @since 2.0.4
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* @global object $current_user The current user object which holds the user data.
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* @uses do_action() Calls 'set_current_user' hook after setting the current user.
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*
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* @param int $id User ID
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* @param string $name User's username
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* @return WP_User Current user User object
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*/
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function wp_set_current_user($id, $name = '') {
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global $current_user;
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if ( isset($current_user) && ($id == $current_user->ID) )
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return $current_user;
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$current_user = new WP_User($id, $name);
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setup_userdata($current_user->ID);
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do_action('set_current_user');
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return $current_user;
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}
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endif;
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if ( !function_exists('wp_get_current_user') ) :
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/**
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* wp_get_current_user() - Retrieve the current user object
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*
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* @since 2.0.4
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*
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* @return WP_User Current user WP_User object
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*/
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function wp_get_current_user() {
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global $current_user;
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get_currentuserinfo();
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return $current_user;
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}
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endif;
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if ( !function_exists('get_currentuserinfo') ) :
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/**
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* get_currentuserinfo() - Populate global variables with information about the currently logged in user
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*
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* Will set the current user, if the current user is not set. The current
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* user will be set to the logged in person. If no user is logged in, then
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* it will set the current user to 0, which is invalid and won't have any
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* permissions.
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*
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* @since 0.71
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* @uses $current_user Checks if the current user is set
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* @uses wp_validate_auth_cookie() Retrieves current logged in user.
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*
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* @return bool|null False on XMLRPC Request and invalid auth cookie. Null when current user set
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*/
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function get_currentuserinfo() {
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global $current_user;
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if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
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return false;
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if ( ! empty($current_user) )
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return;
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if ( ! $user = wp_validate_auth_cookie() ) {
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wp_set_current_user(0);
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return false;
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}
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wp_set_current_user($user);
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}
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endif;
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if ( !function_exists('get_userdata') ) :
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/**
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* get_userdata() - Retrieve user info by user ID
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*
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* @since 0.71
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*
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* @param int $user_id User ID
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* @return bool|object False on failure, User DB row object
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*/
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function get_userdata( $user_id ) {
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global $wpdb;
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$user_id = absint($user_id);
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if ( $user_id == 0 )
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return false;
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$user = wp_cache_get($user_id, 'users');
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if ( $user )
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return $user;
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if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE ID = %d LIMIT 1", $user_id)) )
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return false;
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_fill_user($user);
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return $user;
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}
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endif;
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if ( !function_exists('update_user_cache') ) :
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/**
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* update_user_cache() - Updates a users cache when overridden by a plugin
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*
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* Core function does nothing.
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*
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* @since 1.5
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*
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* @return bool Only returns true
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*/
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function update_user_cache() {
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return true;
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}
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endif;
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if ( !function_exists('get_userdatabylogin') ) :
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/**
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* get_userdatabylogin() - Retrieve user info by login name
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*
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* @since 0.71
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*
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* @param string $user_login User's username
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* @return bool|object False on failure, User DB row object
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*/
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function get_userdatabylogin($user_login) {
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global $wpdb;
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$user_login = sanitize_user( $user_login );
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if ( empty( $user_login ) )
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return false;
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$user_id = wp_cache_get($user_login, 'userlogins');
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$user = false;
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if ( false !== $user_id )
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$user = wp_cache_get($user_id, 'users');
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if ( false !== $user )
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return $user;
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if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_login = %s", $user_login)) )
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return false;
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_fill_user($user);
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return $user;
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}
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endif;
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if ( !function_exists('get_user_by_email') ) :
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/**
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* get_user_by_email() - Retrieve user info by email
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*
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* @since 2.5
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*
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* @param string $email User's email address
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* @return bool|object False on failure, User DB row object
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*/
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function get_user_by_email($email) {
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global $wpdb;
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$user_id = wp_cache_get($email, 'useremail');
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$user = false;
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if ( false !== $user_id )
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$user = wp_cache_get($user_id, 'users');
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if ( false !== $user )
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return $user;
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if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_email = %s", $email)) )
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return false;
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_fill_user($user);
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return $user;
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}
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endif;
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if ( !function_exists( 'wp_mail' ) ) :
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/**
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* wp_mail() - Function to send mail, similar to PHP's mail
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*
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* A true return value does not automatically mean that the
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* user received the email successfully. It just only means
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* that the method used was able to process the request
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* without any errors.
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*
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* Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks
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* allow from creating a from address like 'Name <email@address.com>'
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* when both are set. If just 'wp_mail_from' is set, then just
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* the email address will be used with no name.
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*
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* The default content type is 'text/plain' which does not
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* allow using HTML. However, you can set the content type
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* of the email by using the 'wp_mail_content_type' filter.
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*
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* The default charset is based on the charset used on the
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* blog. The charset can be set using the 'wp_mail_charset'
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* filter.
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*
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* @since 1.2.1
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* @uses apply_filters() Calls 'wp_mail' hook on an array of all of the parameters.
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* @uses apply_filters() Calls 'wp_mail_from' hook to get the from email address.
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* @uses apply_filters() Calls 'wp_mail_from_name' hook to get the from address name.
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* @uses apply_filters() Calls 'wp_mail_content_type' hook to get the email content type.
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* @uses apply_filters() Calls 'wp_mail_charset' hook to get the email charset
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* @uses do_action_ref_array() Calls 'phpmailer_init' hook on the reference to
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* phpmailer object.
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* @uses PHPMailer
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* @
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*
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* @param string $to Email address to send message
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* @param string $subject Email subject
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* @param string $message Message contents
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* @param string|array $headers Optional. Additional headers.
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* @return bool Whether the email contents were sent successfully.
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*/
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function wp_mail( $to, $subject, $message, $headers = '' ) {
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// Compact the input, apply the filters, and extract them back out
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extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers' ) ) );
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global $phpmailer;
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// (Re)create it, if it's gone missing
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if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) {
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require_once ABSPATH . WPINC . '/class-phpmailer.php';
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require_once ABSPATH . WPINC . '/class-smtp.php';
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$phpmailer = new PHPMailer();
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}
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// Headers
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if ( empty( $headers ) ) {
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$headers = array();
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} elseif ( !is_array( $headers ) ) {
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// Explode the headers out, so this function can take both
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// string headers and an array of headers.
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$tempheaders = (array) explode( "\n", $headers );
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$headers = array();
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// If it's actually got contents
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if ( !empty( $tempheaders ) ) {
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// Iterate through the raw headers
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foreach ( $tempheaders as $header ) {
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if ( strpos($header, ':') === false )
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continue;
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// Explode them out
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list( $name, $content ) = explode( ':', trim( $header ), 2 );
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// Cleanup crew
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$name = trim( $name );
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$content = trim( $content );
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// Mainly for legacy -- process a From: header if it's there
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if ( 'from' == strtolower($name) ) {
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if ( strpos($content, '<' ) !== false ) {
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// So... making my life hard again?
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$from_name = substr( $content, 0, strpos( $content, '<' ) - 1 );
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$from_name = str_replace( '"', '', $from_name );
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$from_name = trim( $from_name );
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$from_email = substr( $content, strpos( $content, '<' ) + 1 );
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$from_email = str_replace( '>', '', $from_email );
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$from_email = trim( $from_email );
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} else {
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$from_name = trim( $content );
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}
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} elseif ( 'content-type' == strtolower($name) ) {
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if ( strpos( $content,';' ) !== false ) {
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list( $type, $charset ) = explode( ';', $content );
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$content_type = trim( $type );
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$charset = trim( str_replace( array( 'charset=', '"' ), '', $charset ) );
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} else {
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$content_type = trim( $content );
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}
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} else {
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// Add it to our grand headers array
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$headers[trim( $name )] = trim( $content );
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}
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}
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}
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}
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// Empty out the values that may be set
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$phpmailer->ClearAddresses();
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$phpmailer->ClearAllRecipients();
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$phpmailer->ClearAttachments();
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$phpmailer->ClearBCCs();
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$phpmailer->ClearCCs();
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$phpmailer->ClearCustomHeaders();
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$phpmailer->ClearReplyTos();
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// From email and name
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// If we don't have a name from the input headers
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if ( !isset( $from_name ) ) {
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$from_name = 'WordPress';
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}
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// If we don't have an email from the input headers
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if ( !isset( $from_email ) ) {
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// Get the site domain and get rid of www.
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$sitename = strtolower( $_SERVER['SERVER_NAME'] );
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if ( substr( $sitename, 0, 4 ) == 'www.' ) {
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$sitename = substr( $sitename, 4 );
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}
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$from_email = 'wordpress@' . $sitename;
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}
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// Set the from name and email
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$phpmailer->From = apply_filters( 'wp_mail_from', $from_email );
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$phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
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// Set destination address
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$phpmailer->AddAddress( $to );
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// Set mail's subject and body
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$phpmailer->Subject = $subject;
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$phpmailer->Body = $message;
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// Set to use PHP's mail()
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$phpmailer->IsMail();
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// Set Content-Type and charset
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// If we don't have a content-type from the input headers
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if ( !isset( $content_type ) ) {
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$content_type = 'text/plain';
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}
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$content_type = apply_filters( 'wp_mail_content_type', $content_type );
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// Set whether it's plaintext or not, depending on $content_type
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if ( $content_type == 'text/html' ) {
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$phpmailer->IsHTML( true );
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} else {
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$phpmailer->IsHTML( false );
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}
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// If we don't have a charset from the input headers
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if ( !isset( $charset ) ) {
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$charset = get_bloginfo( 'charset' );
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}
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// Set the content-type and charset
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$phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
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// Set custom headers
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if ( !empty( $headers ) ) {
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foreach ( $headers as $name => $content ) {
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$phpmailer->AddCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
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}
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}
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do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
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// Send!
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$result = @$phpmailer->Send();
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return $result;
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}
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endif;
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/**
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* wp_authenticate() - Checks a user's login information and logs them in if it checks out
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* @since 2.5
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*
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* @param string $username User's username
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* @param string $password User's password
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* @return WP_Error|WP_User WP_User object if login successful, otherwise WP_Error object.
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*/
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if ( !function_exists('wp_authenticate') ) :
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function wp_authenticate($username, $password) {
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$username = sanitize_user($username);
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if ( '' == $username )
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return new WP_Error('empty_username', __('<strong>ERROR</strong>: The username field is empty.'));
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if ( '' == $password )
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return new WP_Error('empty_password', __('<strong>ERROR</strong>: The password field is empty.'));
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$user = get_userdatabylogin($username);
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if ( !$user || ($user->user_login != $username) ) {
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do_action( 'wp_login_failed', $username );
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return new WP_Error('invalid_username', __('<strong>ERROR</strong>: Invalid username.'));
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}
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$user = apply_filters('wp_authenticate_user', $user, $password);
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if ( is_wp_error($user) ) {
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do_action( 'wp_login_failed', $username );
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return $user;
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}
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if ( !wp_check_password($password, $user->user_pass, $user->ID) ) {
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do_action( 'wp_login_failed', $username );
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return new WP_Error('incorrect_password', __('<strong>ERROR</strong>: Incorrect password.'));
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}
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return new WP_User($user->ID);
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}
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endif;
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/**
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* wp_logout() - Log the current user out
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* @since 2.5
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*
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*/
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if ( !function_exists('wp_logout') ) :
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function wp_logout() {
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wp_clear_auth_cookie();
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do_action('wp_logout');
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}
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endif;
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|
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if ( !function_exists('wp_validate_auth_cookie') ) :
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/**
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* wp_validate_auth_cookie() - Validates authentication cookie
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*
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* The checks include making sure that the authentication cookie
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* is set and pulling in the contents (if $cookie is not used).
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*
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* Makes sure the cookie is not expired. Verifies the hash in
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* cookie is what is should be and compares the two.
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*
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* @since 2.5
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*
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* @param string $cookie Optional. If used, will validate contents instead of cookie's
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* @return bool|int False if invalid cookie, User ID if valid.
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*/
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function wp_validate_auth_cookie($cookie = '') {
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if ( empty($cookie) ) {
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if ( is_ssl() )
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$cookie_name = SECURE_AUTH_COOKIE;
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else
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$cookie_name = AUTH_COOKIE;
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if ( empty($_COOKIE[$cookie_name]) )
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return false;
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$cookie = $_COOKIE[$cookie_name];
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}
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$cookie_elements = explode('|', $cookie);
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if ( count($cookie_elements) != 3 )
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return false;
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list($username, $expiration, $hmac) = $cookie_elements;
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$expired = $expiration;
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// Allow a grace period for POST and AJAX requests
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if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] )
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$expired += 3600;
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// Quick check to see if an honest cookie has expired
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if ( $expired < time() )
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return false;
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$key = wp_hash($username . '|' . $expiration);
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$hash = hash_hmac('md5', $username . '|' . $expiration, $key);
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if ( $hmac != $hash )
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return false;
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$user = get_userdatabylogin($username);
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if ( ! $user )
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return false;
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return $user->ID;
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}
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endif;
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|
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if ( !function_exists('wp_generate_auth_cookie') ) :
|
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/**
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* wp_generate_auth_cookie() - Generate authentication cookie contents
|
|
*
|
|
* @since 2.5
|
|
* @uses apply_filters() Calls 'auth_cookie' hook on $cookie contents, User ID
|
|
* and expiration of cookie.
|
|
*
|
|
* @param int $user_id User ID
|
|
* @param int $expiration Cookie expiration in seconds
|
|
* @param bool $secure Whether the cookie is for https delivery only or not. Not used by default. For plugin use.
|
|
* @return string Authentication cookie contents
|
|
*/
|
|
function wp_generate_auth_cookie($user_id, $expiration, $secure = false) {
|
|
$user = get_userdata($user_id);
|
|
|
|
$key = wp_hash($user->user_login . '|' . $expiration);
|
|
$hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key);
|
|
|
|
$cookie = $user->user_login . '|' . $expiration . '|' . $hash;
|
|
|
|
return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $secure);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_set_auth_cookie') ) :
|
|
/**
|
|
* wp_set_auth_cookie() - Sets the authentication cookies based User ID
|
|
*
|
|
* The $remember parameter increases the time that the cookie will
|
|
* be kept. The default the cookie is kept without remembering is
|
|
* two days. When $remember is set, the cookies will be kept for
|
|
* 14 days or two weeks.
|
|
*
|
|
* @since 2.5
|
|
*
|
|
* @param int $user_id User ID
|
|
* @param bool $remember Whether to remember the user or not
|
|
*/
|
|
function wp_set_auth_cookie($user_id, $remember = false) {
|
|
if ( $remember ) {
|
|
$expiration = $expire = time() + 1209600;
|
|
} else {
|
|
$expiration = time() + 172800;
|
|
$expire = 0;
|
|
}
|
|
|
|
if ( is_ssl() ) {
|
|
$secure = true;
|
|
$cookie_name = SECURE_AUTH_COOKIE;
|
|
} else {
|
|
$secure = false;
|
|
$cookie_name = AUTH_COOKIE;
|
|
}
|
|
|
|
$cookie = wp_generate_auth_cookie($user_id, $expiration, $secure);
|
|
|
|
do_action('set_auth_cookie', $cookie, $expire, $secure);
|
|
|
|
setcookie($cookie_name, $cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure);
|
|
if ( COOKIEPATH != SITECOOKIEPATH )
|
|
setcookie($cookie_name, $cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_clear_auth_cookie') ) :
|
|
/**
|
|
* wp_clear_auth_cookie() - Deletes all of the cookies associated with authentication
|
|
*
|
|
* @since 2.5
|
|
*/
|
|
function wp_clear_auth_cookie() {
|
|
setcookie(AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
|
|
setcookie(AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
|
|
setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
|
|
setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
|
|
|
|
// Old cookies
|
|
setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
|
|
setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
|
|
setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
|
|
setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('is_user_logged_in') ) :
|
|
/**
|
|
* is_user_logged_in() - Checks if the current visitor is a logged in user
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @return bool True if user is logged in, false if not logged in.
|
|
*/
|
|
function is_user_logged_in() {
|
|
$user = wp_get_current_user();
|
|
|
|
if ( $user->id == 0 )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('auth_redirect') ) :
|
|
/**
|
|
* auth_redirect() - Checks if a user is logged in, if not it redirects them to the login page
|
|
*
|
|
* @since 1.5
|
|
*/
|
|
function auth_redirect() {
|
|
// Checks if a user is logged in, if not redirects them to the login page
|
|
|
|
if ( is_ssl() || (defined('FORCE_SSL_LOGIN') && FORCE_SSL_LOGIN) )
|
|
$secure = true;
|
|
else
|
|
$secure = false;
|
|
|
|
// If https is required and request is http, redirect
|
|
if ( $secure && !is_ssl() ) {
|
|
if ( false !== strpos($_SERVER['REQUEST_URI'], 'http') ) {
|
|
wp_redirect(str_replace('http://', 'https://', $_SERVER['REQUEST_URI']));
|
|
exit();
|
|
} else {
|
|
wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
|
|
exit();
|
|
}
|
|
}
|
|
|
|
if ( wp_validate_auth_cookie() )
|
|
return; // The cookie is good so we're done
|
|
|
|
// The cookie is no good so force login
|
|
nocache_headers();
|
|
|
|
$login_url = get_option('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']);
|
|
|
|
// Redirect to https if connection is secure
|
|
if ( $secure )
|
|
$login_url = str_replace('http://', 'https://', $login_url);
|
|
wp_redirect($login_url);
|
|
exit();
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('check_admin_referer') ) :
|
|
/**
|
|
* check_admin_referer() - Makes sure that a user was referred from another admin page, to avoid security exploits
|
|
*
|
|
* @since 1.2.0
|
|
* @uses do_action() Calls 'check_admin_referer' on $action.
|
|
*
|
|
* @param string $action Action nonce
|
|
* @param string $query_arg where to look for nonce in $_REQUEST (since 2.5)
|
|
*/
|
|
function check_admin_referer($action = -1, $query_arg = '_wpnonce') {
|
|
$adminurl = strtolower(get_option('siteurl')).'/wp-admin';
|
|
$referer = strtolower(wp_get_referer());
|
|
$result = wp_verify_nonce($_REQUEST[$query_arg], $action);
|
|
if ( !$result && !(-1 == $action && strpos($referer, $adminurl) !== false) ) {
|
|
wp_nonce_ays($action);
|
|
die();
|
|
}
|
|
do_action('check_admin_referer', $action, $result);
|
|
return $result;
|
|
}endif;
|
|
|
|
if ( !function_exists('check_ajax_referer') ) :
|
|
/**
|
|
* check_ajax_referer() - Verifies the AJAX request to prevent processing requests external of the blog.
|
|
*
|
|
* @since 2.0.4
|
|
*
|
|
* @param string $action Action nonce
|
|
* @param string $query_arg where to look for nonce in $_REQUEST (since 2.5)
|
|
*/
|
|
function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
|
|
if ( $query_arg )
|
|
$nonce = $_REQUEST[$query_arg];
|
|
else
|
|
$nonce = $_REQUEST['_ajax_nonce'] ? $_REQUEST['_ajax_nonce'] : $_REQUEST['_wpnonce'];
|
|
|
|
$result = wp_verify_nonce( $nonce, $action );
|
|
|
|
if ( $die && false == $result )
|
|
die('-1');
|
|
|
|
do_action('check_ajax_referer', $action, $result);
|
|
|
|
return $result;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_redirect') ) :
|
|
/**
|
|
* wp_redirect() - Redirects to another page, with a workaround for the IIS Set-Cookie bug
|
|
*
|
|
* @link http://support.microsoft.com/kb/q176113/
|
|
* @since 1.5.1
|
|
* @uses apply_filters() Calls 'wp_redirect' hook on $location and $status.
|
|
*
|
|
* @param string $location The path to redirect to
|
|
* @param int $status Status code to use
|
|
* @return bool False if $location is not set
|
|
*/
|
|
function wp_redirect($location, $status = 302) {
|
|
global $is_IIS;
|
|
|
|
$location = apply_filters('wp_redirect', $location, $status);
|
|
$status = apply_filters('wp_redirect_status', $status, $location);
|
|
|
|
if ( !$location ) // allows the wp_redirect filter to cancel a redirect
|
|
return false;
|
|
|
|
$location = wp_sanitize_redirect($location);
|
|
|
|
if ( $is_IIS ) {
|
|
header("Refresh: 0;url=$location");
|
|
} else {
|
|
if ( php_sapi_name() != 'cgi-fcgi' )
|
|
status_header($status); // This causes problems on IIS and some FastCGI setups
|
|
header("Location: $location");
|
|
}
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_sanitize_redirect') ) :
|
|
/**
|
|
* wp_sanitize_redirect() - Sanitizes a URL for use in a redirect
|
|
*
|
|
* @since 2.3
|
|
*
|
|
* @return string redirect-sanitized URL
|
|
**/
|
|
function wp_sanitize_redirect($location) {
|
|
$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
|
|
$location = wp_kses_no_null($location);
|
|
|
|
// remove %0d and %0a from location
|
|
$strip = array('%0d', '%0a');
|
|
$found = true;
|
|
while($found) {
|
|
$found = false;
|
|
foreach($strip as $val) {
|
|
while(strpos($location, $val) !== false) {
|
|
$found = true;
|
|
$location = str_replace($val, '', $location);
|
|
}
|
|
}
|
|
}
|
|
return $location;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_safe_redirect') ) :
|
|
/**
|
|
* wp_safe_redirect() - Performs a safe (local) redirect, using wp_redirect()
|
|
*
|
|
* Checks whether the $location is using an allowed host, if it has an absolute
|
|
* path. A plugin can therefore set or remove allowed host(s) to or from the list.
|
|
*
|
|
* If the host is not allowed, then the redirect is to wp-admin on the siteurl
|
|
* instead. This prevents malicious redirects which redirect to another host, but
|
|
* only used in a few places.
|
|
*
|
|
* @since 2.3
|
|
* @uses apply_filters() Calls 'allowed_redirect_hosts' on an array containing
|
|
* WordPress host string and $location host string.
|
|
*
|
|
* @return void Does not return anything
|
|
**/
|
|
function wp_safe_redirect($location, $status = 302) {
|
|
|
|
// Need to look at the URL the way it will end up in wp_redirect()
|
|
$location = wp_sanitize_redirect($location);
|
|
|
|
// browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
|
|
if ( substr($location, 0, 2) == '//' )
|
|
$location = 'http:' . $location;
|
|
|
|
$lp = parse_url($location);
|
|
$wpp = parse_url(get_option('home'));
|
|
|
|
$allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '');
|
|
|
|
if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
|
|
$location = get_option('siteurl') . '/wp-admin/';
|
|
|
|
wp_redirect($location, $status);
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists('wp_notify_postauthor') ) :
|
|
/**
|
|
* wp_notify_postauthor() - Notify an author of a comment/trackback/pingback to one of their posts
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @param int $comment_id Comment ID
|
|
* @param string $comment_type Optional. The comment type either 'comment' (default), 'trackback', or 'pingback'
|
|
* @return bool False if user email does not exist. True on completion.
|
|
*/
|
|
function wp_notify_postauthor($comment_id, $comment_type='') {
|
|
$comment = get_comment($comment_id);
|
|
$post = get_post($comment->comment_post_ID);
|
|
$user = get_userdata( $post->post_author );
|
|
|
|
if ('' == $user->user_email) return false; // If there's no email to send the comment to
|
|
|
|
$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
|
|
|
|
$blogname = get_option('blogname');
|
|
|
|
if ( empty( $comment_type ) ) $comment_type = 'comment';
|
|
|
|
if ('comment' == $comment_type) {
|
|
$notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
|
|
$notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
$notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
|
|
$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
|
|
$notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
|
|
$notify_message .= __('You can see all comments on this post here: ') . "\r\n";
|
|
$subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
|
|
} elseif ('trackback' == $comment_type) {
|
|
$notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
|
|
$notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
|
|
$notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n";
|
|
$subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
|
|
} elseif ('pingback' == $comment_type) {
|
|
$notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
|
|
$notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n";
|
|
$notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n";
|
|
$subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
|
|
}
|
|
$notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
|
|
$notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
|
|
$notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
|
|
|
|
$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
|
|
|
|
if ( '' == $comment->comment_author ) {
|
|
$from = "From: \"$blogname\" <$wp_email>";
|
|
if ( '' != $comment->comment_author_email )
|
|
$reply_to = "Reply-To: $comment->comment_author_email";
|
|
} else {
|
|
$from = "From: \"$comment->comment_author\" <$wp_email>";
|
|
if ( '' != $comment->comment_author_email )
|
|
$reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
|
|
}
|
|
|
|
$message_headers = "$from\n"
|
|
. "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
|
|
|
|
if ( isset($reply_to) )
|
|
$message_headers .= $reply_to . "\n";
|
|
|
|
$notify_message = apply_filters('comment_notification_text', $notify_message, $comment_id);
|
|
$subject = apply_filters('comment_notification_subject', $subject, $comment_id);
|
|
$message_headers = apply_filters('comment_notification_headers', $message_headers, $comment_id);
|
|
|
|
@wp_mail($user->user_email, $subject, $notify_message, $message_headers);
|
|
|
|
return true;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_notify_moderator') ) :
|
|
/**
|
|
* wp_notify_moderator() - Notifies the moderator of the blog about a new comment that is awaiting approval
|
|
*
|
|
* @since 1.0
|
|
* @uses $wpdb
|
|
*
|
|
* @param int $comment_id Comment ID
|
|
* @return bool Always returns true
|
|
*/
|
|
function wp_notify_moderator($comment_id) {
|
|
global $wpdb;
|
|
|
|
if( get_option( "moderation_notify" ) == 0 )
|
|
return true;
|
|
|
|
$comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID=%d LIMIT 1", $comment_id));
|
|
$post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID=%d LIMIT 1", $comment->comment_post_ID));
|
|
|
|
$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
|
|
$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
|
|
|
|
switch ($comment->comment_type)
|
|
{
|
|
case 'trackback':
|
|
$notify_message = sprintf( __('A new trackback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
|
|
$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
|
|
$notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
|
|
break;
|
|
case 'pingback':
|
|
$notify_message = sprintf( __('A new pingback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
|
|
$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
|
|
$notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
|
|
break;
|
|
default: //Comments
|
|
$notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
|
|
$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
|
|
$notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
$notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
|
|
$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
|
|
$notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
|
|
break;
|
|
}
|
|
|
|
$notify_message .= sprintf( __('Approve it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=mac&c=$comment_id" ) . "\r\n";
|
|
$notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
|
|
$notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
|
|
|
|
$notify_message .= sprintf( __ngettext('Currently %s comment is waiting for approval. Please visit the moderation panel:',
|
|
'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n";
|
|
$notify_message .= get_option('siteurl') . "/wp-admin/edit-comments.php?comment_status=moderated\r\n";
|
|
|
|
$subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
|
|
$admin_email = get_option('admin_email');
|
|
|
|
$notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id);
|
|
$subject = apply_filters('comment_moderation_subject', $subject, $comment_id);
|
|
|
|
@wp_mail($admin_email, $subject, $notify_message);
|
|
|
|
return true;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_new_user_notification') ) :
|
|
/**
|
|
* wp_new_user_notification() - Notify the blog admin of a new user, normally via email
|
|
*
|
|
* @since 2.0
|
|
*
|
|
* @param int $user_id User ID
|
|
* @param string $plaintext_pass Optional. The user's plaintext password
|
|
*/
|
|
function wp_new_user_notification($user_id, $plaintext_pass = '') {
|
|
$user = new WP_User($user_id);
|
|
|
|
$user_login = stripslashes($user->user_login);
|
|
$user_email = stripslashes($user->user_email);
|
|
|
|
$message = sprintf(__('New user registration on your blog %s:'), get_option('blogname')) . "\r\n\r\n";
|
|
$message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
|
|
$message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n";
|
|
|
|
@wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), get_option('blogname')), $message);
|
|
|
|
if ( empty($plaintext_pass) )
|
|
return;
|
|
|
|
$message = sprintf(__('Username: %s'), $user_login) . "\r\n";
|
|
$message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
|
|
$message .= get_option('siteurl') . "/wp-login.php\r\n";
|
|
|
|
wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
|
|
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_nonce_tick') ) :
|
|
/**
|
|
* wp_nonce_tick() - Get the time-dependent variable for nonce creation
|
|
*
|
|
* A nonce has a lifespan of two ticks. Nonces in their second tick may be updated, e.g. by autosave.
|
|
*
|
|
* @since 2.5
|
|
*
|
|
* @return int
|
|
*/
|
|
function wp_nonce_tick() {
|
|
$nonce_life = apply_filters('nonce_life', 86400);
|
|
|
|
return ceil(time() / ( $nonce_life / 2 ));
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_verify_nonce') ) :
|
|
/**
|
|
* wp_verify_nonce() - Verify that correct nonce was used with time limit
|
|
*
|
|
* The user is given an amount of time to use the token, so therefore, since
|
|
* the UID and $action remain the same, the independent variable is the time.
|
|
*
|
|
* @since 2.0.4
|
|
*
|
|
* @param string $nonce Nonce that was used in the form to verify
|
|
* @param string|int $action Should give context to what is taking place and be the same when nonce was created.
|
|
* @return bool Whether the nonce check passed or failed.
|
|
*/
|
|
function wp_verify_nonce($nonce, $action = -1) {
|
|
$user = wp_get_current_user();
|
|
$uid = (int) $user->id;
|
|
|
|
$i = wp_nonce_tick();
|
|
|
|
// Nonce generated 0-12 hours ago
|
|
if ( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce )
|
|
return 1;
|
|
// Nonce generated 12-24 hours ago
|
|
if ( substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
|
|
return 2;
|
|
// Invalid nonce
|
|
return false;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_create_nonce') ) :
|
|
/**
|
|
* wp_create_nonce() - Creates a random, one time use token
|
|
*
|
|
* @since 2.0.4
|
|
*
|
|
* @param string|int $action Scalar value to add context to the nonce.
|
|
* @return string The one use form token
|
|
*/
|
|
function wp_create_nonce($action = -1) {
|
|
$user = wp_get_current_user();
|
|
$uid = (int) $user->id;
|
|
|
|
$i = wp_nonce_tick();
|
|
|
|
return substr(wp_hash($i . $action . $uid), -12, 10);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_salt') ) :
|
|
/**
|
|
* wp_salt() - Get salt to add to hashes to help prevent attacks
|
|
*
|
|
* You can set the salt by defining two areas. One is in the database and
|
|
* the other is in your wp-config.php file. The database location is defined
|
|
* in the option named 'secret', but most likely will not need to be changed.
|
|
*
|
|
* The second, located in wp-config.php, is a constant named 'SECRET_KEY', but
|
|
* is not required. If the constant is not defined then the database constants
|
|
* will be used, since they are most likely given to be unique. However, given
|
|
* that the salt will be added to the password and can be seen, the constant
|
|
* is recommended to be set manually.
|
|
*
|
|
* <code>
|
|
* define('SECRET_KEY', 'mAry1HadA15|\/|b17w55w1t3asSn09w');
|
|
* </code>
|
|
*
|
|
* Attention: Do not use above example!
|
|
*
|
|
* Salting passwords helps against tools which has stored hashed values
|
|
* of common dictionary strings. The added values makes it harder to crack
|
|
* if given salt string is not weak.
|
|
*
|
|
* Salting only helps if the string is not predictable and should be
|
|
* made up of various characters. Think of the salt as a password for
|
|
* securing your passwords, but common among all of your passwords.
|
|
* Therefore the salt should be as long as possible as as difficult as
|
|
* possible, because you will not have to remember it.
|
|
*
|
|
* @since 2.5
|
|
*
|
|
* @return string Salt value from either 'SECRET_KEY' or 'secret' option
|
|
*/
|
|
function wp_salt() {
|
|
global $wp_default_secret_key;
|
|
$secret_key = '';
|
|
if ( defined('SECRET_KEY') && ('' != SECRET_KEY) && ( $wp_default_secret_key != SECRET_KEY) )
|
|
$secret_key = SECRET_KEY;
|
|
|
|
if ( defined('SECRET_SALT') ) {
|
|
$salt = SECRET_SALT;
|
|
} else {
|
|
$salt = get_option('secret');
|
|
if ( empty($salt) ) {
|
|
$salt = wp_generate_password();
|
|
update_option('secret', $salt);
|
|
}
|
|
}
|
|
|
|
return apply_filters('salt', $secret_key . $salt);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_hash') ) :
|
|
/**
|
|
* wp_hash() - Get hash of given string
|
|
*
|
|
* @since 2.0.4
|
|
* @uses wp_salt() Get WordPress salt
|
|
*
|
|
* @param string $data Plain text to hash
|
|
* @return string Hash of $data
|
|
*/
|
|
function wp_hash($data) {
|
|
$salt = wp_salt();
|
|
|
|
return hash_hmac('md5', $data, $salt);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_hash_password') ) :
|
|
/**
|
|
* wp_hash_password() - Create a hash (encrypt) of a plain text password
|
|
*
|
|
* For integration with other applications, this function can be
|
|
* overwritten to instead use the other package password checking
|
|
* algorithm.
|
|
*
|
|
* @since 2.5
|
|
* @global object $wp_hasher PHPass object
|
|
* @uses PasswordHash::HashPassword
|
|
*
|
|
* @param string $password Plain text user password to hash
|
|
* @return string The hash string of the password
|
|
*/
|
|
function wp_hash_password($password) {
|
|
global $wp_hasher;
|
|
|
|
if ( empty($wp_hasher) ) {
|
|
require_once( ABSPATH . 'wp-includes/class-phpass.php');
|
|
// By default, use the portable hash from phpass
|
|
$wp_hasher = new PasswordHash(8, TRUE);
|
|
}
|
|
|
|
return $wp_hasher->HashPassword($password);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_check_password') ) :
|
|
/**
|
|
* wp_check_password() - Checks the plaintext password against the encrypted Password
|
|
*
|
|
* Maintains compatibility between old version and the new cookie
|
|
* authentication protocol using PHPass library. The $hash parameter
|
|
* is the encrypted password and the function compares the plain text
|
|
* password when encypted similarly against the already encrypted
|
|
* password to see if they match.
|
|
*
|
|
* For integration with other applications, this function can be
|
|
* overwritten to instead use the other package password checking
|
|
* algorithm.
|
|
*
|
|
* @since 2.5
|
|
* @global object $wp_hasher PHPass object used for checking the password
|
|
* against the $hash + $password
|
|
* @uses PasswordHash::CheckPassword
|
|
*
|
|
* @param string $password Plaintext user's password
|
|
* @param string $hash Hash of the user's password to check against.
|
|
* @return bool False, if the $password does not match the hashed password
|
|
*/
|
|
function wp_check_password($password, $hash, $user_id = '') {
|
|
global $wp_hasher;
|
|
|
|
// If the hash is still md5...
|
|
if ( strlen($hash) <= 32 ) {
|
|
$check = ( $hash == md5($password) );
|
|
if ( $check && $user_id ) {
|
|
// Rehash using new hash.
|
|
wp_set_password($password, $user_id);
|
|
$hash = wp_hash_password($password);
|
|
}
|
|
|
|
return apply_filters('check_password', $check, $password, $hash, $user_id);
|
|
}
|
|
|
|
// If the stored hash is longer than an MD5, presume the
|
|
// new style phpass portable hash.
|
|
if ( empty($wp_hasher) ) {
|
|
require_once( ABSPATH . 'wp-includes/class-phpass.php');
|
|
// By default, use the portable hash from phpass
|
|
$wp_hasher = new PasswordHash(8, TRUE);
|
|
}
|
|
|
|
$check = $wp_hasher->CheckPassword($password, $hash);
|
|
|
|
return apply_filters('check_password', $check, $password, $hash, $user_id);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_generate_password') ) :
|
|
/**
|
|
* wp_generate_password() - Generates a random password drawn from the defined set of characters
|
|
*
|
|
* @since 2.5
|
|
*
|
|
* @return string The random password
|
|
**/
|
|
function wp_generate_password($length = 12, $special_chars = true) {
|
|
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
|
|
if ( $special_chars )
|
|
$chars .= '!@#$%^&*()';
|
|
|
|
$password = '';
|
|
for ( $i = 0; $i < $length; $i++ )
|
|
$password .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
|
|
return $password;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_set_password') ) :
|
|
/**
|
|
* wp_set_password() - Updates the user's password with a new encrypted one
|
|
*
|
|
* For integration with other applications, this function can be
|
|
* overwritten to instead use the other package password checking
|
|
* algorithm.
|
|
*
|
|
* @since 2.5
|
|
* @uses $wpdb WordPress database object for queries
|
|
* @uses wp_hash_password() Used to encrypt the user's password before passing to the database
|
|
*
|
|
* @param string $password The plaintext new user password
|
|
* @param int $user_id User ID
|
|
*/
|
|
function wp_set_password( $password, $user_id ) {
|
|
global $wpdb;
|
|
|
|
$hash = wp_hash_password($password);
|
|
$query = $wpdb->prepare("UPDATE $wpdb->users SET user_pass = %s, user_activation_key = '' WHERE ID = %d", $hash, $user_id);
|
|
$wpdb->query($query);
|
|
wp_cache_delete($user_id, 'users');
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists( 'get_avatar' ) ) :
|
|
/**
|
|
* get_avatar() - Get avatar for a user
|
|
*
|
|
* Retrieve the avatar for a user provided a user ID or email address
|
|
*
|
|
* @since 2.5
|
|
* @param int|string|object $id_or_email A user ID, email address, or comment object
|
|
* @param int $size Size of the avatar image
|
|
* @param string $default URL to a default image to use if no avatar is available
|
|
* @return string <img> tag for the user's avatar
|
|
*/
|
|
function get_avatar( $id_or_email, $size = '96', $default = '' ) {
|
|
if ( ! get_option('show_avatars') )
|
|
return false;
|
|
|
|
if ( !is_numeric($size) )
|
|
$size = '96';
|
|
|
|
$email = '';
|
|
if ( is_numeric($id_or_email) ) {
|
|
$id = (int) $id_or_email;
|
|
$user = get_userdata($id);
|
|
if ( $user )
|
|
$email = $user->user_email;
|
|
} elseif ( is_object($id_or_email) ) {
|
|
if ( !empty($id_or_email->user_id) ) {
|
|
$id = (int) $id_or_email->user_id;
|
|
$user = get_userdata($id);
|
|
if ( $user)
|
|
$email = $user->user_email;
|
|
} elseif ( !empty($id_or_email->comment_author_email) ) {
|
|
$email = $id_or_email->comment_author_email;
|
|
}
|
|
} else {
|
|
$email = $id_or_email;
|
|
}
|
|
|
|
if ( empty($default) ) {
|
|
$avatar_default = get_option('avatar_default');
|
|
if ( empty($avatar_default) )
|
|
$default = 'mystery';
|
|
else
|
|
$default = $avatar_default;
|
|
}
|
|
|
|
if ( 'custom' == $default )
|
|
$default = add_query_arg( 's', $size, $defaults[$avatar_default][1] );
|
|
elseif ( 'mystery' == $default )
|
|
$default = "http://www.gravatar.com/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
|
|
elseif ( 'blank' == $default )
|
|
$default = get_option('siteurl') . '/wp-includes/images/blank.gif';
|
|
elseif ( !empty($email) && 'gravatar_default' == $default )
|
|
$default = '';
|
|
elseif ( 'gravatar_default' == $default )
|
|
$default = "http://www.gravatar.com/avatar/s={$size}";
|
|
elseif ( empty($email) )
|
|
$default = "http://www.gravatar.com/avatar/?d=$default&s={$size}";
|
|
|
|
if ( !empty($email) ) {
|
|
$out = 'http://www.gravatar.com/avatar/';
|
|
$out .= md5( strtolower( $email ) );
|
|
$out .= '?s='.$size;
|
|
$out .= '&d=' . urlencode( $default );
|
|
|
|
$rating = get_option('avatar_rating');
|
|
if ( !empty( $rating ) )
|
|
$out .= "&r={$rating}";
|
|
|
|
$avatar = "<img alt='' src='{$out}' class='avatar avatar-{$size}' height='{$size}' width='{$size}' />";
|
|
} else {
|
|
$avatar = "<img alt='' src='{$default}' class='avatar avatar-{$size} avatar-default' height='{$size}' width='{$size}' />";
|
|
}
|
|
|
|
return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_setcookie') ) :
|
|
/**
|
|
* wp_setcookie() - Sets a cookie for a user who just logged in
|
|
*
|
|
* @since 1.5
|
|
* @deprecated Use wp_set_auth_cookie()
|
|
* @see wp_set_auth_cookie()
|
|
*
|
|
* @param string $username The user's username
|
|
* @param string $password Optional. The user's password
|
|
* @param bool $already_md5 Optional. Whether the password has already been through MD5
|
|
* @param string $home Optional. Will be used instead of COOKIEPATH if set
|
|
* @param string $siteurl Optional. Will be used instead of SITECOOKIEPATH if set
|
|
* @param bool $remember Optional. Remember that the user is logged in
|
|
*/
|
|
function wp_setcookie($username, $password = '', $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
|
|
_deprecated_function( __FUNCTION__, '2.5', 'wp_set_auth_cookie()' );
|
|
$user = get_userdatabylogin($username);
|
|
wp_set_auth_cookie($user->ID, $remember);
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_clearcookie') ) :
|
|
/**
|
|
* wp_clearcookie() - Clears the authentication cookie, logging the user out
|
|
*
|
|
* @since 1.5
|
|
* @deprecated Use wp_clear_auth_cookie()
|
|
* @see wp_clear_auth_cookie()
|
|
*/
|
|
function wp_clearcookie() {
|
|
_deprecated_function( __FUNCTION__, '2.5', 'wp_clear_auth_cookie()' );
|
|
wp_clear_auth_cookie();
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_get_cookie_login') ):
|
|
/**
|
|
* wp_get_cookie_login() - Gets the user cookie login
|
|
*
|
|
* This function is deprecated and should no longer be extended as it won't
|
|
* be used anywhere in WordPress. Also, plugins shouldn't use it either.
|
|
*
|
|
* @since 2.0.4
|
|
* @deprecated No alternative
|
|
*
|
|
* @return bool Always returns false
|
|
*/
|
|
function wp_get_cookie_login() {
|
|
_deprecated_function( __FUNCTION__, '2.5', '' );
|
|
return false;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists('wp_login') ) :
|
|
/**
|
|
* wp_login() - Checks a users login information and logs them in if it checks out
|
|
*
|
|
* Use the global $error to get the reason why the login failed.
|
|
* If the username is blank, no error will be set, so assume
|
|
* blank username on that case.
|
|
*
|
|
* Plugins extending this function should also provide the global
|
|
* $error and set what the error is, so that those checking the
|
|
* global for why there was a failure can utilize it later.
|
|
*
|
|
* @since 1.2.2
|
|
* @deprecated Use wp_signon()
|
|
* @global string $error Error when false is returned
|
|
*
|
|
* @param string $username User's username
|
|
* @param string $password User's password
|
|
* @param bool $deprecated Not used
|
|
* @return bool False on login failure, true on successful check
|
|
*/
|
|
function wp_login($username, $password, $deprecated = '') {
|
|
global $error;
|
|
|
|
$user = wp_authenticate($username, $password);
|
|
|
|
if ( ! is_wp_error($user) )
|
|
return true;
|
|
|
|
$error = $user->get_error_message();
|
|
return false;
|
|
}
|
|
endif;
|
|
|
|
if ( !function_exists( 'wp_text_diff' ) ) :
|
|
/**
|
|
* wp_text_diff() - compares two strings and outputs a human readable HTML representation of their difference
|
|
*
|
|
* Basically a wrapper for man diff(1)
|
|
*
|
|
* Must accept an optional third parameter, $args @see wp_parse_args()
|
|
* (string) title: optional. If present, titles the diff in a manner compatible with the output
|
|
*
|
|
* Must return the empty string if the two compared strings are found to be equivalent according to whatever metric
|
|
*
|
|
* @since 2.6
|
|
* @uses Text_Diff
|
|
* @uses WP_Text_Diff_Renderer_Table
|
|
*
|
|
* @param string $left_string "old" (left) version of string
|
|
* @param string $right_string "new" (right) version of string
|
|
* @param string|array $args @see wp_parse_args()
|
|
* @return string human readable HTML of string differences. Empty string if strings are equivalent
|
|
*/
|
|
function wp_text_diff( $left_string, $right_string, $args = null ) {
|
|
$defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' );
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
// PEAR Text_Diff is lame; it includes things from include_path rather than it's own path.
|
|
// Not sure of the ramifications of disttributing modified code.
|
|
ini_set('include_path', '.' . PATH_SEPARATOR . ABSPATH . WPINC );
|
|
|
|
if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) )
|
|
require( ABSPATH . WPINC . '/wp-diff.php' );
|
|
|
|
// Normalize whitespace
|
|
$left_string = trim($left_string);
|
|
$right_string = trim($right_string);
|
|
$left_string = str_replace("\r", "\n", $left_string);
|
|
$right_string = str_replace("\r", "\n", $right_string);
|
|
$left_string = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $left_string );
|
|
$right_string = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $right_string );
|
|
|
|
$left_lines = split("\n", $left_string);
|
|
$right_lines = split("\n", $right_string);
|
|
|
|
$text_diff = new Text_Diff($left_lines, $right_lines);
|
|
$renderer = new WP_Text_Diff_Renderer_Table();
|
|
$diff = $renderer->render($text_diff);
|
|
|
|
ini_restore('include_path');
|
|
|
|
if ( !$diff )
|
|
return '';
|
|
|
|
$r = "<table class='diff'>\n";
|
|
$r .= "<col class='ltype' /><col class='content' /><col class='ltype' /><col class='content' />";
|
|
|
|
if ( $args['title'] || $args['title_left'] || $args['title_right'] )
|
|
$r .= "<thead>";
|
|
if ( $args['title'] )
|
|
$r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n";
|
|
if ( $args['title_left'] || $args['title_right'] ) {
|
|
$r .= "<tr class='diff-sub-title'>\n";
|
|
$r .= "\t<td></td><th>$args[title_left]</th>\n";
|
|
$r .= "\t<td></td><th>$args[title_right]</th>\n";
|
|
$r .= "</tr>\n";
|
|
}
|
|
if ( $args['title'] || $args['title_left'] || $args['title_right'] )
|
|
$r .= "</thead>\n";
|
|
|
|
$r .= "<tbody>\n$diff\n</tbody>\n";
|
|
$r .= "</table>";
|
|
|
|
return $r;
|
|
}
|
|
endif;
|
|
|
|
?>
|