<?php
-
- /* These functions can be replaced via plugins. They are loaded after
- plugins are loaded. */
-
-if ( !function_exists('set_current_user') ) :
-function set_current_user($id, $name = '') {
- return wp_set_current_user($id, $name);
-}
-endif;
+/**
+ * These functions can be replaced via plugins. If plugins do not redefine these
+ * functions, then these will be used instead.
+ *
+ * @package WordPress
+ */
if ( !function_exists('wp_set_current_user') ) :
+/**
+ * Changes the current user by ID or name.
+ *
+ * Set $id to null and specify a name if you do not know a user's ID.
+ *
+ * Some WordPress functionality is based on the current user and not based on
+ * the signed in user. Therefore, it opens the ability to edit and perform
+ * actions on users who aren't signed in.
+ *
+ * @since 2.0.3
+ * @global object $current_user The current user object which holds the user data.
+ * @uses do_action() Calls 'set_current_user' hook after setting the current user.
+ *
+ * @param int $id User ID
+ * @param string $name User's username
+ * @return WP_User Current user User object
+ */
function wp_set_current_user($id, $name = '') {
global $current_user;
- if ( isset($current_user) && ($id == $current_user->ID) )
+ if ( isset( $current_user ) && ( $current_user instanceof WP_User ) && ( $id == $current_user->ID ) )
return $current_user;
- $current_user = new WP_User($id, $name);
+ $current_user = new WP_User( $id, $name );
- setup_userdata($current_user->ID);
+ setup_userdata( $current_user->ID );
do_action('set_current_user');
endif;
if ( !function_exists('wp_get_current_user') ) :
+/**
+ * Retrieve the current user object.
+ *
+ * @since 2.0.3
+ *
+ * @return WP_User Current user WP_User object
+ */
function wp_get_current_user() {
global $current_user;
endif;
if ( !function_exists('get_currentuserinfo') ) :
+/**
+ * Populate global variables with information about the currently logged in user.
+ *
+ * Will set the current user, if the current user is not set. The current user
+ * will be set to the logged in person. If no user is logged in, then it will
+ * set the current user to 0, which is invalid and won't have any permissions.
+ *
+ * @since 0.71
+ * @uses $current_user Checks if the current user is set
+ * @uses wp_validate_auth_cookie() Retrieves current logged in user.
+ *
+ * @return bool|null False on XMLRPC Request and invalid auth cookie. Null when current user set
+ */
function get_currentuserinfo() {
global $current_user;
- if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
- return false;
+ if ( ! empty( $current_user ) ) {
+ if ( $current_user instanceof WP_User )
+ return;
- if ( ! empty($current_user) )
- return;
+ // Upgrade stdClass to WP_User
+ if ( is_object( $current_user ) && isset( $current_user->ID ) ) {
+ $cur_id = $current_user->ID;
+ $current_user = null;
+ wp_set_current_user( $cur_id );
+ return;
+ }
+
+ // $current_user has a junk value. Force to WP_User with ID 0.
+ $current_user = null;
+ wp_set_current_user( 0 );
+ return false;
+ }
- if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) ||
- !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true) ) {
- wp_set_current_user(0);
+ if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST ) {
+ wp_set_current_user( 0 );
return false;
}
- $user_login = $_COOKIE[USER_COOKIE];
- wp_set_current_user(0, $user_login);
+ if ( ! $user = wp_validate_auth_cookie() ) {
+ if ( is_blog_admin() || is_network_admin() || empty( $_COOKIE[LOGGED_IN_COOKIE] ) || !$user = wp_validate_auth_cookie( $_COOKIE[LOGGED_IN_COOKIE], 'logged_in' ) ) {
+ wp_set_current_user( 0 );
+ return false;
+ }
+ }
+
+ wp_set_current_user( $user );
}
endif;
if ( !function_exists('get_userdata') ) :
+/**
+ * Retrieve user info by user ID.
+ *
+ * @since 0.71
+ *
+ * @param int $user_id User ID
+ * @return bool|object False on failure, WP_User object on success
+ */
function get_userdata( $user_id ) {
- global $wpdb;
- $user_id = (int) $user_id;
- if ( $user_id == 0 )
- return false;
-
- $user = wp_cache_get($user_id, 'users');
+ return get_user_by( 'id', $user_id );
+}
+endif;
- if ( $user )
- return $user;
+if ( !function_exists('get_user_by') ) :
+/**
+ * Retrieve user info by a given field
+ *
+ * @since 2.8.0
+ *
+ * @param string $field The field to retrieve the user with. id | slug | email | login
+ * @param int|string $value A value for $field. A user ID, slug, email address, or login name.
+ * @return bool|object False on failure, WP_User object on success
+ */
+function get_user_by( $field, $value ) {
+ $userdata = WP_User::get_data_by( $field, $value );
- if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id' LIMIT 1") )
+ if ( !$userdata )
return false;
- $show = $wpdb->hide_errors();
- $metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
- $wpdb->show_errors($show);
-
- if ($metavalues) {
- foreach ( $metavalues as $meta ) {
- $value = maybe_unserialize($meta->meta_value);
- $user->{$meta->meta_key} = $value;
-
- // We need to set user_level from meta, not row
- if ( $wpdb->prefix . 'user_level' == $meta->meta_key )
- $user->user_level = $meta->meta_value;
- } // end foreach
- } //end if
-
- // For backwards compat.
- if ( isset($user->first_name) )
- $user->user_firstname = $user->first_name;
- if ( isset($user->last_name) )
- $user->user_lastname = $user->last_name;
- if ( isset($user->description) )
- $user->user_description = $user->description;
-
- wp_cache_add($user_id, $user, 'users');
- wp_cache_add($user->user_login, $user_id, 'userlogins');
- return $user;
-}
-endif;
+ $user = new WP_User;
+ $user->init( $userdata );
-if ( !function_exists('update_user_cache') ) :
-function update_user_cache() {
- return true;
+ return $user;
}
endif;
-if ( !function_exists('get_userdatabylogin') ) :
-function get_userdatabylogin($user_login) {
+if ( !function_exists('cache_users') ) :
+/**
+ * Retrieve info for user lists to prevent multiple queries by get_userdata()
+ *
+ * @since 3.0.0
+ *
+ * @param array $user_ids User ID numbers list
+ */
+function cache_users( $user_ids ) {
global $wpdb;
- $user_login = sanitize_user( $user_login );
-
- if ( empty( $user_login ) )
- return false;
- $user_id = wp_cache_get($user_login, 'userlogins');
- $userdata = wp_cache_get($user_id, 'users');
+ $clean = _get_non_cached_ids( $user_ids, 'users' );
- if ( $userdata )
- return $userdata;
+ if ( empty( $clean ) )
+ return;
- $user_login = $wpdb->escape($user_login);
+ $list = implode( ',', $clean );
- if ( !$user_ID = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_login = '$user_login'") )
- return false;
+ $users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" );
- $user = get_userdata($user_ID);
- return $user;
+ $ids = array();
+ foreach ( $users as $user ) {
+ update_user_caches( $user );
+ $ids[] = $user->ID;
+ }
+ update_meta_cache( 'user', $ids );
}
endif;
if ( !function_exists( 'wp_mail' ) ) :
-function wp_mail( $to, $subject, $message, $headers = '' ) {
+/**
+ * Send mail, similar to PHP's mail
+ *
+ * A true return value does not automatically mean that the user received the
+ * email successfully. It just only means that the method used was able to
+ * process the request without any errors.
+ *
+ * Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks allow from
+ * creating a from address like 'Name <email@address.com>' when both are set. If
+ * just 'wp_mail_from' is set, then just the email address will be used with no
+ * name.
+ *
+ * The default content type is 'text/plain' which does not allow using HTML.
+ * However, you can set the content type of the email by using the
+ * 'wp_mail_content_type' filter.
+ *
+ * The default charset is based on the charset used on the blog. The charset can
+ * be set using the 'wp_mail_charset' filter.
+ *
+ * @since 1.2.1
+ * @uses apply_filters() Calls 'wp_mail' hook on an array of all of the parameters.
+ * @uses apply_filters() Calls 'wp_mail_from' hook to get the from email address.
+ * @uses apply_filters() Calls 'wp_mail_from_name' hook to get the from address name.
+ * @uses apply_filters() Calls 'wp_mail_content_type' hook to get the email content type.
+ * @uses apply_filters() Calls 'wp_mail_charset' hook to get the email charset
+ * @uses do_action_ref_array() Calls 'phpmailer_init' hook on the reference to
+ * phpmailer object.
+ * @uses PHPMailer
+ *
+ * @param string|array $to Array or comma-separated list of email addresses to send message.
+ * @param string $subject Email subject
+ * @param string $message Message contents
+ * @param string|array $headers Optional. Additional headers.
+ * @param string|array $attachments Optional. Files to attach.
+ * @return bool Whether the email contents were sent successfully.
+ */
+function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) {
// Compact the input, apply the filters, and extract them back out
- extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers' ) ) );
+ extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ) );
+
+ if ( !is_array($attachments) )
+ $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) );
global $phpmailer;
if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) {
require_once ABSPATH . WPINC . '/class-phpmailer.php';
require_once ABSPATH . WPINC . '/class-smtp.php';
- $phpmailer = new PHPMailer();
+ $phpmailer = new PHPMailer( true );
}
// Headers
if ( empty( $headers ) ) {
$headers = array();
- } elseif ( !is_array( $headers ) ) {
- // Explode the headers out, so this function can take both
- // string headers and an array of headers.
- $tempheaders = (array) explode( "\n", $headers );
+ } else {
+ if ( !is_array( $headers ) ) {
+ // Explode the headers out, so this function can take both
+ // string headers and an array of headers.
+ $tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) );
+ } else {
+ $tempheaders = $headers;
+ }
$headers = array();
+ $cc = array();
+ $bcc = array();
// If it's actually got contents
if ( !empty( $tempheaders ) ) {
// Iterate through the raw headers
- foreach ( $tempheaders as $header ) {
- if ( strpos($header, ':') === false )
+ foreach ( (array) $tempheaders as $header ) {
+ if ( strpos($header, ':') === false ) {
+ if ( false !== stripos( $header, 'boundary=' ) ) {
+ $parts = preg_split('/boundary=/i', trim( $header ) );
+ $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) );
+ }
continue;
+ }
// Explode them out
list( $name, $content ) = explode( ':', trim( $header ), 2 );
// Cleanup crew
- $name = trim( $name );
+ $name = trim( $name );
$content = trim( $content );
- // Mainly for legacy -- process a From: header if it's there
- if ( 'from' == strtolower($name) ) {
- if ( strpos($content, '<' ) !== false ) {
- // So... making my life hard again?
- $from_name = substr( $content, 0, strpos( $content, '<' ) - 1 );
- $from_name = str_replace( '"', '', $from_name );
- $from_name = trim( $from_name );
-
- $from_email = substr( $content, strpos( $content, '<' ) + 1 );
- $from_email = str_replace( '>', '', $from_email );
- $from_email = trim( $from_email );
- } else {
- $from_name = trim( $content );
- }
- } elseif ( 'content-type' == strtolower($name) ) {
- if ( strpos( $content,';' ) !== false ) {
- list( $type, $charset ) = explode( ';', $content );
- $content_type = trim( $type );
- $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset ) );
- } else {
- $content_type = trim( $content );
- }
- } else {
- // Add it to our grand headers array
- $headers[trim( $name )] = trim( $content );
+ switch ( strtolower( $name ) ) {
+ // Mainly for legacy -- process a From: header if it's there
+ case 'from':
+ if ( strpos($content, '<' ) !== false ) {
+ // So... making my life hard again?
+ $from_name = substr( $content, 0, strpos( $content, '<' ) - 1 );
+ $from_name = str_replace( '"', '', $from_name );
+ $from_name = trim( $from_name );
+
+ $from_email = substr( $content, strpos( $content, '<' ) + 1 );
+ $from_email = str_replace( '>', '', $from_email );
+ $from_email = trim( $from_email );
+ } else {
+ $from_email = trim( $content );
+ }
+ break;
+ case 'content-type':
+ if ( strpos( $content, ';' ) !== false ) {
+ list( $type, $charset ) = explode( ';', $content );
+ $content_type = trim( $type );
+ if ( false !== stripos( $charset, 'charset=' ) ) {
+ $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset ) );
+ } elseif ( false !== stripos( $charset, 'boundary=' ) ) {
+ $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset ) );
+ $charset = '';
+ }
+ } else {
+ $content_type = trim( $content );
+ }
+ break;
+ case 'cc':
+ $cc = array_merge( (array) $cc, explode( ',', $content ) );
+ break;
+ case 'bcc':
+ $bcc = array_merge( (array) $bcc, explode( ',', $content ) );
+ break;
+ default:
+ // Add it to our grand headers array
+ $headers[trim( $name )] = trim( $content );
+ break;
}
}
}
// From email and name
// If we don't have a name from the input headers
- if ( !isset( $from_name ) ) {
+ if ( !isset( $from_name ) )
$from_name = 'WordPress';
- }
- // If we don't have an email from the input headers
+ /* If we don't have an email from the input headers default to wordpress@$sitename
+ * Some hosts will block outgoing mail from this address if it doesn't exist but
+ * there's no easy alternative. Defaulting to admin_email might appear to be another
+ * option but some hosts may refuse to relay mail from an unknown domain. See
+ * http://trac.wordpress.org/ticket/5007.
+ */
+
if ( !isset( $from_email ) ) {
// Get the site domain and get rid of www.
$sitename = strtolower( $_SERVER['SERVER_NAME'] );
$from_email = 'wordpress@' . $sitename;
}
- // Set the from name and email
- $phpmailer->From = apply_filters( 'wp_mail_from', $from_email );
- $phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
-
- // Set destination address
- $phpmailer->AddAddress( $to );
+ // Plugin authors can override the potentially troublesome default
+ $phpmailer->From = apply_filters( 'wp_mail_from' , $from_email );
+ $phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
+
+ // Set destination addresses
+ if ( !is_array( $to ) )
+ $to = explode( ',', $to );
+
+ foreach ( (array) $to as $recipient ) {
+ try {
+ // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
+ $recipient_name = '';
+ if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) {
+ if ( count( $matches ) == 3 ) {
+ $recipient_name = $matches[1];
+ $recipient = $matches[2];
+ }
+ }
+ $phpmailer->AddAddress( $recipient, $recipient_name);
+ } catch ( phpmailerException $e ) {
+ continue;
+ }
+ }
// Set mail's subject and body
$phpmailer->Subject = $subject;
- $phpmailer->Body = $message;
+ $phpmailer->Body = $message;
+
+ // Add any CC and BCC recipients
+ if ( !empty( $cc ) ) {
+ foreach ( (array) $cc as $recipient ) {
+ try {
+ // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
+ $recipient_name = '';
+ if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) {
+ if ( count( $matches ) == 3 ) {
+ $recipient_name = $matches[1];
+ $recipient = $matches[2];
+ }
+ }
+ $phpmailer->AddCc( $recipient, $recipient_name );
+ } catch ( phpmailerException $e ) {
+ continue;
+ }
+ }
+ }
+
+ if ( !empty( $bcc ) ) {
+ foreach ( (array) $bcc as $recipient) {
+ try {
+ // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
+ $recipient_name = '';
+ if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) {
+ if ( count( $matches ) == 3 ) {
+ $recipient_name = $matches[1];
+ $recipient = $matches[2];
+ }
+ }
+ $phpmailer->AddBcc( $recipient, $recipient_name );
+ } catch ( phpmailerException $e ) {
+ continue;
+ }
+ }
+ }
// Set to use PHP's mail()
$phpmailer->IsMail();
// Set Content-Type and charset
// If we don't have a content-type from the input headers
- if ( !isset( $content_type ) ) {
+ if ( !isset( $content_type ) )
$content_type = 'text/plain';
- }
$content_type = apply_filters( 'wp_mail_content_type', $content_type );
- // Set whether it's plaintext or not, depending on $content_type
- if ( $content_type == 'text/html' ) {
+ $phpmailer->ContentType = $content_type;
+
+ // Set whether it's plaintext, depending on $content_type
+ if ( 'text/html' == $content_type )
$phpmailer->IsHTML( true );
- } else {
- $phpmailer->IsHTML( false );
- }
// If we don't have a charset from the input headers
- if ( !isset( $charset ) ) {
+ if ( !isset( $charset ) )
$charset = get_bloginfo( 'charset' );
- }
// Set the content-type and charset
$phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
// Set custom headers
if ( !empty( $headers ) ) {
- foreach ( $headers as $name => $content ) {
+ foreach( (array) $headers as $name => $content ) {
$phpmailer->AddCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
}
+
+ if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) )
+ $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) );
+ }
+
+ if ( !empty( $attachments ) ) {
+ foreach ( $attachments as $attachment ) {
+ try {
+ $phpmailer->AddAttachment($attachment);
+ } catch ( phpmailerException $e ) {
+ continue;
+ }
+ }
}
do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
// Send!
- $result = @$phpmailer->Send();
+ try {
+ $phpmailer->Send();
+ } catch ( phpmailerException $e ) {
+ return false;
+ }
- return $result;
+ return true;
}
endif;
-if ( !function_exists('wp_login') ) :
-function wp_login($username, $password, $already_md5 = false) {
- global $wpdb, $error;
-
+if ( !function_exists('wp_authenticate') ) :
+/**
+ * Checks a user's login information and logs them in if it checks out.
+ *
+ * @since 2.5.0
+ *
+ * @param string $username User's username
+ * @param string $password User's password
+ * @return WP_Error|WP_User WP_User object if login successful, otherwise WP_Error object.
+ */
+function wp_authenticate($username, $password) {
$username = sanitize_user($username);
+ $password = trim($password);
+
+ $user = apply_filters('authenticate', null, $username, $password);
+
+ if ( $user == null ) {
+ // TODO what should the error message be? (Or would these even happen?)
+ // Only needed if all authentication handlers fail to return anything.
+ $user = new WP_Error('authentication_failed', __('<strong>ERROR</strong>: Invalid username or incorrect password.'));
+ }
+
+ $ignore_codes = array('empty_username', 'empty_password');
+
+ if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) {
+ do_action('wp_login_failed', $username);
+ }
+
+ return $user;
+}
+endif;
- if ( '' == $username )
+if ( !function_exists('wp_logout') ) :
+/**
+ * Log the current user out.
+ *
+ * @since 2.5.0
+ */
+function wp_logout() {
+ wp_clear_auth_cookie();
+ do_action('wp_logout');
+}
+endif;
+
+if ( !function_exists('wp_validate_auth_cookie') ) :
+/**
+ * Validates authentication cookie.
+ *
+ * The checks include making sure that the authentication cookie is set and
+ * pulling in the contents (if $cookie is not used).
+ *
+ * Makes sure the cookie is not expired. Verifies the hash in cookie is what is
+ * should be and compares the two.
+ *
+ * @since 2.5
+ *
+ * @param string $cookie Optional. If used, will validate contents instead of cookie's
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return bool|int False if invalid cookie, User ID if valid.
+ */
+function wp_validate_auth_cookie($cookie = '', $scheme = '') {
+ if ( ! $cookie_elements = wp_parse_auth_cookie($cookie, $scheme) ) {
+ do_action('auth_cookie_malformed', $cookie, $scheme);
return false;
+ }
+
+ extract($cookie_elements, EXTR_OVERWRITE);
+
+ $expired = $expiration;
- if ( '' == $password ) {
- $error = __('<strong>ERROR</strong>: The password field is empty.');
+ // Allow a grace period for POST and AJAX requests
+ if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] )
+ $expired += 3600;
+
+ // Quick check to see if an honest cookie has expired
+ if ( $expired < time() ) {
+ do_action('auth_cookie_expired', $cookie_elements);
return false;
}
- $login = get_userdatabylogin($username);
- //$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
+ $user = get_user_by('login', $username);
+ if ( ! $user ) {
+ do_action('auth_cookie_bad_username', $cookie_elements);
+ return false;
+ }
+
+ $pass_frag = substr($user->user_pass, 8, 4);
+
+ $key = wp_hash($username . $pass_frag . '|' . $expiration, $scheme);
+ $hash = hash_hmac('md5', $username . '|' . $expiration, $key);
- if (!$login) {
- $error = __('<strong>ERROR</strong>: Invalid username.');
+ if ( $hmac != $hash ) {
+ do_action('auth_cookie_bad_hash', $cookie_elements);
return false;
- } else {
- // If the password is already_md5, it has been double hashed.
- // Otherwise, it is plain text.
- if ( ($already_md5 && md5($login->user_pass) == $password) || ($login->user_login == $username && $login->user_pass == md5($password)) ) {
- return true;
- } else {
- $error = __('<strong>ERROR</strong>: Incorrect password.');
- $pwd = '';
+ }
+
+ if ( $expiration < time() ) // AJAX/POST grace period set above
+ $GLOBALS['login_grace_period'] = 1;
+
+ do_action('auth_cookie_valid', $cookie_elements, $user);
+
+ return $user->ID;
+}
+endif;
+
+if ( !function_exists('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 string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return string Authentication cookie contents
+ */
+function wp_generate_auth_cookie($user_id, $expiration, $scheme = 'auth') {
+ $user = get_userdata($user_id);
+
+ $pass_frag = substr($user->user_pass, 8, 4);
+
+ $key = wp_hash($user->user_login . $pass_frag . '|' . $expiration, $scheme);
+ $hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key);
+
+ $cookie = $user->user_login . '|' . $expiration . '|' . $hash;
+
+ return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $scheme);
+}
+endif;
+
+if ( !function_exists('wp_parse_auth_cookie') ) :
+/**
+ * Parse a cookie into its components
+ *
+ * @since 2.7
+ *
+ * @param string $cookie
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return array Authentication cookie components
+ */
+function wp_parse_auth_cookie($cookie = '', $scheme = '') {
+ if ( empty($cookie) ) {
+ switch ($scheme){
+ case 'auth':
+ $cookie_name = AUTH_COOKIE;
+ break;
+ case 'secure_auth':
+ $cookie_name = SECURE_AUTH_COOKIE;
+ break;
+ case "logged_in":
+ $cookie_name = LOGGED_IN_COOKIE;
+ break;
+ default:
+ if ( is_ssl() ) {
+ $cookie_name = SECURE_AUTH_COOKIE;
+ $scheme = 'secure_auth';
+ } else {
+ $cookie_name = AUTH_COOKIE;
+ $scheme = 'auth';
+ }
+ }
+
+ if ( empty($_COOKIE[$cookie_name]) )
return false;
- }
+ $cookie = $_COOKIE[$cookie_name];
}
+
+ $cookie_elements = explode('|', $cookie);
+ if ( count($cookie_elements) != 3 )
+ return false;
+
+ list($username, $expiration, $hmac) = $cookie_elements;
+
+ return compact('username', 'expiration', 'hmac', 'scheme');
+}
+endif;
+
+if ( !function_exists('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 $remember Whether to remember the user
+ */
+function wp_set_auth_cookie($user_id, $remember = false, $secure = '') {
+ if ( $remember ) {
+ $expiration = $expire = time() + apply_filters('auth_cookie_expiration', 1209600, $user_id, $remember);
+ } else {
+ $expiration = time() + apply_filters('auth_cookie_expiration', 172800, $user_id, $remember);
+ $expire = 0;
+ }
+
+ if ( '' === $secure )
+ $secure = is_ssl();
+
+ $secure = apply_filters('secure_auth_cookie', $secure, $user_id);
+ $secure_logged_in_cookie = apply_filters('secure_logged_in_cookie', false, $user_id, $secure);
+
+ if ( $secure ) {
+ $auth_cookie_name = SECURE_AUTH_COOKIE;
+ $scheme = 'secure_auth';
+ } else {
+ $auth_cookie_name = AUTH_COOKIE;
+ $scheme = 'auth';
+ }
+
+ $auth_cookie = wp_generate_auth_cookie($user_id, $expiration, $scheme);
+ $logged_in_cookie = wp_generate_auth_cookie($user_id, $expiration, 'logged_in');
+
+ do_action('set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme);
+ do_action('set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in');
+
+ setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
+ setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
+ setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
+ if ( COOKIEPATH != SITECOOKIEPATH )
+ setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
+}
+endif;
+
+if ( !function_exists('wp_clear_auth_cookie') ) :
+/**
+ * Removes all of the cookies associated with authentication.
+ *
+ * @since 2.5
+ */
+function wp_clear_auth_cookie() {
+ do_action('clear_auth_cookie');
+
+ setcookie(AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
+ setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
+
+ // Old cookies
+ 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);
+
+ // Even older 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') ) :
+/**
+ * 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 )
+ if ( ! $user->exists() )
return false;
return true;
endif;
if ( !function_exists('auth_redirect') ) :
+/**
+ * Checks if a user is logged in, if not it redirects them to the login page.
+ *
+ * @since 1.5
+ */
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
- if ( (!empty($_COOKIE[USER_COOKIE]) &&
- !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) ||
- (empty($_COOKIE[USER_COOKIE])) ) {
- nocache_headers();
- wp_redirect(get_option('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
- exit();
+ $secure = ( is_ssl() || force_ssl_admin() );
+
+ $secure = apply_filters('secure_auth_redirect', $secure);
+
+ // If https is required and request is http, redirect
+ if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
+ if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
+ wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI']));
+ exit();
+ } else {
+ wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
+ exit();
+ }
+ }
+
+ if ( is_user_admin() )
+ $scheme = 'logged_in';
+ else
+ $scheme = apply_filters( 'auth_redirect_scheme', '' );
+
+ if ( $user_id = wp_validate_auth_cookie( '', $scheme) ) {
+ do_action('auth_redirect', $user_id);
+
+ // If the user wants ssl but the session is not ssl, redirect.
+ if ( !$secure && get_user_option('use_ssl', $user_id) && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
+ if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
+ wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI']));
+ exit();
+ } else {
+ wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
+ exit();
+ }
+ }
+
+ return; // The cookie is good so we're done
}
+
+ // The cookie is no good so force login
+ nocache_headers();
+
+ if ( is_ssl() )
+ $proto = 'https://';
+ else
+ $proto = 'http://';
+
+ $redirect = ( strpos($_SERVER['REQUEST_URI'], '/options.php') && wp_get_referer() ) ? wp_get_referer() : $proto . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+
+ $login_url = wp_login_url($redirect, true);
+
+ wp_redirect($login_url);
+ exit();
}
endif;
if ( !function_exists('check_admin_referer') ) :
-function check_admin_referer($action = -1) {
- $adminurl = strtolower(get_option('siteurl')).'/wp-admin';
+/**
+ * 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') {
+ if ( -1 == $action )
+ _doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2' );
+
+ $adminurl = strtolower(admin_url());
$referer = strtolower(wp_get_referer());
- if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) &&
- !(-1 == $action && strpos($referer, $adminurl) !== false)) {
+ $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false;
+ if ( !$result && !(-1 == $action && strpos($referer, $adminurl) === 0) ) {
wp_nonce_ays($action);
die();
}
- do_action('check_admin_referer', $action);
+ do_action('check_admin_referer', $action, $result);
+ return $result;
}endif;
if ( !function_exists('check_ajax_referer') ) :
-function check_ajax_referer() {
- $current_name = '';
- if ( ( $current = wp_get_current_user() ) && $current->ID )
- $current_name = $current->data->user_login;
- if ( !$current_name )
- die('-1');
+/**
+ * Verifies the AJAX request to prevent processing requests external of the blog.
+ *
+ * @since 2.0.3
+ *
+ * @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
+ $nonce = isset($_REQUEST['_ajax_nonce']) ? $_REQUEST['_ajax_nonce'] : $_REQUEST['_wpnonce'];
+
+ $result = wp_verify_nonce( $nonce, $action );
- $cookie = explode('; ', urldecode(empty($_POST['cookie']) ? $_GET['cookie'] : $_POST['cookie'])); // AJAX scripts must pass cookie=document.cookie
- foreach ( $cookie as $tasty ) {
- if ( false !== strpos($tasty, USER_COOKIE) )
- $user = substr(strstr($tasty, '='), 1);
- if ( false !== strpos($tasty, PASS_COOKIE) )
- $pass = substr(strstr($tasty, '='), 1);
+ if ( $die && false == $result ) {
+ if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+ wp_die( -1 );
+ else
+ die( '-1' );
}
- if ( $current_name != $user || !wp_login( $user, $pass, true ) )
- die('-1');
- do_action('check_ajax_referer');
+ do_action('check_ajax_referer', $action, $result);
+
+ return $result;
}
endif;
-// Cookie safe redirect. Works around IIS Set-Cookie bug.
-// http://support.microsoft.com/kb/q176113/
if ( !function_exists('wp_redirect') ) :
+/**
+ * Redirects to another page.
+ *
+ * @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: $location");
- }
+ if ( !$is_IIS && php_sapi_name() != 'cgi-fcgi' )
+ status_header($status); // This causes problems on IIS and some FastCGI setups
+
+ header("Location: $location", true, $status);
}
endif;
if ( !function_exists('wp_sanitize_redirect') ) :
/**
- * sanitizes a URL for use in a redirect
+ * Sanitizes a URL for use in a redirect.
+ *
+ * @since 2.3
+ *
* @return string redirect-sanitized URL
**/
function wp_sanitize_redirect($location) {
- $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
+ $location = 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);
- }
- }
- }
+ $strip = array('%0d', '%0a', '%0D', '%0A');
+ $location = _deep_replace($strip, $location);
return $location;
}
endif;
if ( !function_exists('wp_safe_redirect') ) :
/**
- * performs a safe (local) redirect, using wp_redirect()
- * @return void
+ * Performs a safe (local) redirect, using wp_redirect().
+ *
+ * Checks whether the $location is using an allowed host, if it has an absolute
+ * path. A plugin can therefore set or remove allowed host(s) to or from the
+ * list.
+ *
+ * If the host is not allowed, then the redirect is to wp-admin on the siteurl
+ * instead. This prevents malicious redirects which redirect to another host,
+ * but only used in a few places.
+ *
+ * @since 2.3
+ * @uses wp_validate_redirect() To validate the redirect is to an allowed host.
+ *
+ * @return void Does not return anything
**/
function wp_safe_redirect($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']), $lp['host']);
-
- if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
- $location = get_option('siteurl') . '/wp-admin/';
+ $location = wp_validate_redirect($location, admin_url());
wp_redirect($location, $status);
}
endif;
-if ( !function_exists('wp_get_cookie_login') ):
-function wp_get_cookie_login() {
- if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) )
- return false;
+if ( !function_exists('wp_validate_redirect') ) :
+/**
+ * Validates a URL for use in a 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 $default supplied
+ *
+ * @since 2.8.1
+ * @uses apply_filters() Calls 'allowed_redirect_hosts' on an array containing
+ * WordPress host string and $location host string.
+ *
+ * @param string $location The redirect to validate
+ * @param string $default The value to return if $location is not allowed
+ * @return string redirect-sanitized URL
+ **/
+function wp_validate_redirect($location, $default = '') {
+ // browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
+ if ( substr($location, 0, 2) == '//' )
+ $location = 'http:' . $location;
- return array('login' => $_COOKIE[USER_COOKIE], 'password' => $_COOKIE[PASS_COOKIE]);
-}
+ // In php 5 parse_url may fail if the URL query part contains http://, bug #38143
+ $test = ( $cut = strpos($location, '?') ) ? substr( $location, 0, $cut ) : $location;
-endif;
+ $lp = parse_url($test);
-if ( !function_exists('wp_setcookie') ) :
-function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
- if ( !$already_md5 )
- $password = md5( md5($password) ); // Double hash the password in the cookie.
+ // Give up if malformed URL
+ if ( false === $lp )
+ return $default;
- if ( empty($home) )
- $cookiepath = COOKIEPATH;
- else
- $cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/' );
+ // Allow only http and https schemes. No data:, etc.
+ if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) )
+ return $default;
- if ( empty($siteurl) ) {
- $sitecookiepath = SITECOOKIEPATH;
- $cookiehash = COOKIEHASH;
- } else {
- $sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/' );
- $cookiehash = md5($siteurl);
- }
+ // Reject if scheme is set but host is not. This catches urls like https:host.com for which parse_url does not set the host field.
+ if ( isset($lp['scheme']) && !isset($lp['host']) )
+ return $default;
- if ( $remember )
- $expire = time() + 31536000;
- else
- $expire = 0;
+ $wpp = parse_url(home_url());
- setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN);
- setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN);
+ $allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '');
- if ( $cookiepath != $sitecookiepath ) {
- setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN);
- setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN);
- }
-}
-endif;
+ if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
+ $location = $default;
-if ( !function_exists('wp_clearcookie') ) :
-function wp_clearcookie() {
- 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);
+ return $location;
}
endif;
if ( ! function_exists('wp_notify_postauthor') ) :
-function wp_notify_postauthor($comment_id, $comment_type='') {
- global $wpdb;
+/**
+ * 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 );
+ $author = get_userdata( $post->post_author );
- $comment = get_comment($comment_id);
- $post = get_post($comment->comment_post_ID);
- $user = get_userdata( $post->post_author );
+ // The comment was left by the author
+ if ( $comment->user_id == $post->post_author )
+ return false;
+
+ // The author moderated a comment on his own post
+ if ( $post->post_author == get_current_user_id() )
+ return false;
- if ('' == $user->user_email) return false; // If there's no email to send the comment to
+ // If there's no email to send the comment to
+ if ( '' == $author->user_email )
+ return false;
$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
- $blogname = get_option('blogname');
+ // The blogname option is escaped with esc_html on the way into the database in sanitize_option
+ // we want to reverse this for the plain text arena of emails.
+ $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
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( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n";
+ /* translators: 1: comment author, 2: author IP, 3: author domain */
$notify_message .= sprintf( __('Author : %1$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 .= sprintf( __('Whois : http://whois.arin.net/rest/ip/%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";
+ /* translators: 1: blog name, 2: post title */
$subject = sprintf( __('[%1$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( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
+ /* translators: 1: website name, 2: author IP, 3: author domain */
$notify_message .= sprintf( __('Website: %1$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";
+ /* translators: 1: blog name, 2: post title */
$subject = sprintf( __('[%1$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( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
+ /* translators: 1: comment author, 2: author IP, 3: author domain */
$notify_message .= sprintf( __('Website: %1$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";
+ /* translators: 1: blog name, 2: post title */
$subject = sprintf( __('[%1$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";
+ $notify_message .= sprintf( __('Permalink: %s'), get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment_id ) . "\r\n";
+ if ( EMPTY_TRASH_DAYS )
+ $notify_message .= sprintf( __('Trash it: %s'), admin_url("comment.php?action=trash&c=$comment_id") ) . "\r\n";
+ else
+ $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=delete&c=$comment_id") ) . "\r\n";
+ $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=spam&c=$comment_id") ) . "\r\n";
$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
$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);
+ @wp_mail( $author->user_email, $subject, $notify_message, $message_headers );
return true;
}
endif;
-/* wp_notify_moderator
- notifies the moderator of the blog (usually the admin)
- about a new comment that waits for approval
- always returns true
- */
if ( !function_exists('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 )
+ if ( 0 == get_option( 'moderation_notify' ) )
return true;
- $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
- $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
+ $comment = get_comment($comment_id);
+ $post = get_post($comment->comment_post_ID);
+ $user = get_userdata( $post->post_author );
+ // Send to the administration and to the post author if the author can modify the comment.
+ $email_to = array( get_option('admin_email') );
+ if ( user_can($user->ID, 'edit_comment', $comment_id) && !empty($user->user_email) && ( get_option('admin_email') != $user->user_email) )
+ $email_to[] = $user->user_email;
$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
- $notify_message = sprintf( __('A new comment on the post #%1$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";
- $notify_message .= sprintf( __('Approve it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=mac&c=$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( __('Currently %s comments are waiting for approval. Please visit the moderation panel:'), $comments_waiting ) . "\r\n";
- $notify_message .= get_option('siteurl') . "/wp-admin/moderation.php\r\n";
-
- $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
- $admin_email = get_option('admin_email');
+ // The blogname option is escaped with esc_html on the way into the database in sanitize_option
+ // we want to reverse this for the plain text arena of emails.
+ $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+
+ switch ($comment->comment_type)
+ {
+ case 'trackback':
+ $notify_message = sprintf( __('A new trackback on the post "%s" is waiting for your approval'), $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 "%s" is waiting for your approval'), $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 "%s" is waiting for your approval'), $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://whois.arin.net/rest/ip/%s'), $comment->comment_author_IP ) . "\r\n";
+ $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
+ break;
+ }
+
+ $notify_message .= sprintf( __('Approve it: %s'), admin_url("comment.php?action=approve&c=$comment_id") ) . "\r\n";
+ if ( EMPTY_TRASH_DAYS )
+ $notify_message .= sprintf( __('Trash it: %s'), admin_url("comment.php?action=trash&c=$comment_id") ) . "\r\n";
+ else
+ $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=delete&c=$comment_id") ) . "\r\n";
+ $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=spam&c=$comment_id") ) . "\r\n";
+
+ $notify_message .= sprintf( _n('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 .= admin_url("edit-comments.php?comment_status=moderated") . "\r\n";
+
+ $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), $blogname, $post->post_title );
+ $message_headers = '';
$notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id);
$subject = apply_filters('comment_moderation_subject', $subject, $comment_id);
+ $message_headers = apply_filters('comment_moderation_headers', $message_headers);
- @wp_mail($admin_email, $subject, $notify_message);
+ foreach ( $email_to as $email )
+ @wp_mail($email, $subject, $notify_message, $message_headers);
return true;
}
endif;
+if ( !function_exists('wp_password_change_notification') ) :
+/**
+ * Notify the blog admin of a user changing password, normally via email.
+ *
+ * @since 2.7
+ *
+ * @param object $user User Object
+ */
+function wp_password_change_notification(&$user) {
+ // send a copy of password change notification to the admin
+ // but check to see if it's the admin whose password we're changing, and skip this
+ if ( $user->user_email != get_option('admin_email') ) {
+ $message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n";
+ // The blogname option is escaped with esc_html on the way into the database in sanitize_option
+ // we want to reverse this for the plain text arena of emails.
+ $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+ wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), $blogname), $message);
+ }
+}
+endif;
+
if ( !function_exists('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";
+ // The blogname option is escaped with esc_html on the way into the database in sanitize_option
+ // we want to reverse this for the plain text arena of emails.
+ $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
+
+ $message = sprintf(__('New user registration on your site %s:'), $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);
+ @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $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";
+ $message .= wp_login_url() . "\r\n";
- wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
+ wp_mail($user_email, sprintf(__('[%s] Your username and password'), $blogname), $message);
}
endif;
+if ( !function_exists('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') ) :
+/**
+ * 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 2.0.3
+ *
+ * @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;
+ $uid = (int) $user->ID;
- $i = ceil(time() / 43200);
+ $i = wp_nonce_tick();
- //Allow for expanding range, but only do one check if we can
- if( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce || substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
- return true;
+ // Nonce generated 0-12 hours ago
+ if ( substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10) == $nonce )
+ return 1;
+ // Nonce generated 12-24 hours ago
+ if ( substr(wp_hash(($i - 1) . $action . $uid, 'nonce'), -12, 10) == $nonce )
+ return 2;
+ // Invalid nonce
return false;
}
endif;
if ( !function_exists('wp_create_nonce') ) :
+/**
+ * Creates a random, one time use token.
+ *
+ * @since 2.0.3
+ *
+ * @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;
+ $uid = (int) $user->ID;
- $i = ceil(time() / 43200);
+ $i = wp_nonce_tick();
- return substr(wp_hash($i . $action . $uid), -12, 10);
+ return substr(wp_hash($i . $action . $uid, 'nonce'), -12, 10);
}
endif;
if ( !function_exists('wp_salt') ) :
-function wp_salt() {
- $salt = get_option('secret');
- if ( empty($salt) )
- $salt = DB_PASSWORD . DB_USER . DB_NAME . DB_HOST . ABSPATH;
+/**
+ * Get salt to add to hashes.
+ *
+ * Salts are created using secret keys. Secret keys are located in two places:
+ * in the database and in the wp-config.php file. The secret key in the database
+ * is randomly generated and will be appended to the secret keys in wp-config.php.
+ *
+ * The secret keys in wp-config.php should be updated to strong, random keys to maximize
+ * security. Below is an example of how the secret key constants are defined.
+ * Do not paste this example directly into wp-config.php. Instead, have a
+ * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just
+ * for you.
+ *
+ * <code>
+ * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON');
+ * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~');
+ * define('LOGGED_IN_KEY', '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM');
+ * define('NONCE_KEY', '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|');
+ * define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW');
+ * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n');
+ * define('LOGGED_IN_SALT', '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm');
+ * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT');
+ * </code>
+ *
+ * Salting passwords helps against tools which has stored hashed values of
+ * common dictionary strings. The added values makes it harder to crack.
+ *
+ * @since 2.5
+ *
+ * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php
+ *
+ * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
+ * @return string Salt value
+ */
+function wp_salt( $scheme = 'auth' ) {
+ static $cached_salts = array();
+ if ( isset( $cached_salts[ $scheme ] ) )
+ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
+
+ static $duplicated_keys;
+ if ( null === $duplicated_keys ) {
+ $duplicated_keys = array( 'put your unique phrase here' => true );
+ foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) {
+ foreach ( array( 'KEY', 'SALT' ) as $second ) {
+ if ( ! defined( "{$first}_{$second}" ) )
+ continue;
+ $value = constant( "{$first}_{$second}" );
+ $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] );
+ }
+ }
+ }
- return $salt;
+ $key = $salt = '';
+ if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) )
+ $key = SECRET_KEY;
+ if ( 'auth' == $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) )
+ $salt = SECRET_SALT;
+
+ if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) ) ) {
+ foreach ( array( 'key', 'salt' ) as $type ) {
+ $const = strtoupper( "{$scheme}_{$type}" );
+ if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) {
+ $$type = constant( $const );
+ } elseif ( ! $$type ) {
+ $$type = get_site_option( "{$scheme}_{$type}" );
+ if ( ! $$type ) {
+ $$type = wp_generate_password( 64, true, true );
+ update_site_option( "{$scheme}_{$type}", $$type );
+ }
+ }
+ }
+ } else {
+ if ( ! $key ) {
+ $key = get_site_option( 'secret_key' );
+ if ( ! $key ) {
+ $key = wp_generate_password( 64, true, true );
+ update_site_option( 'secret_key', $key );
+ }
+ }
+ $salt = hash_hmac( 'md5', $scheme, $key );
+ }
+
+ $cached_salts[ $scheme ] = $key . $salt;
+ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
}
endif;
if ( !function_exists('wp_hash') ) :
-function wp_hash($data) {
- $salt = wp_salt();
+/**
+ * Get hash of given string.
+ *
+ * @since 2.0.3
+ * @uses wp_salt() Get WordPress salt
+ *
+ * @param string $data Plain text to hash
+ * @return string Hash of $data
+ */
+function wp_hash($data, $scheme = 'auth') {
+ $salt = wp_salt($scheme);
+
+ return hash_hmac('md5', $data, $salt);
+}
+endif;
+
+if ( !function_exists('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') ) :
+/**
+ * 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 encrypted 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') ) :
+/**
+ * Generates a random password drawn from the defined set of characters.
+ *
+ * @since 2.5
+ *
+ * @param int $length The length of password to generate
+ * @param bool $special_chars Whether to include standard special characters. Default true.
+ * @param bool $extra_special_chars Whether to include other special characters. Used when
+ * generating secret keys and salts. Default false.
+ * @return string The random password
+ **/
+function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) {
+ $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+ if ( $special_chars )
+ $chars .= '!@#$%^&*()';
+ if ( $extra_special_chars )
+ $chars .= '-_ []{}<>~`+=,.;:/?|';
+
+ $password = '';
+ for ( $i = 0; $i < $length; $i++ ) {
+ $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1);
+ }
- if ( function_exists('hash_hmac') ) {
- return hash_hmac('md5', $data, $salt);
+ // random_password filter was previously in random_password function which was deprecated
+ return apply_filters('random_password', $password);
+}
+endif;
+
+if ( !function_exists('wp_rand') ) :
+ /**
+ * Generates a random number
+ *
+ * @since 2.6.2
+ *
+ * @param int $min Lower limit for the generated number (optional, default is 0)
+ * @param int $max Upper limit for the generated number (optional, default is 4294967295)
+ * @return int A random number between min and max
+ */
+function wp_rand( $min = 0, $max = 0 ) {
+ global $rnd_value;
+
+ // Reset $rnd_value after 14 uses
+ // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
+ if ( strlen($rnd_value) < 8 ) {
+ if ( defined( 'WP_SETUP_CONFIG' ) )
+ static $seed = '';
+ else
+ $seed = get_transient('random_seed');
+ $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed );
+ $rnd_value .= sha1($rnd_value);
+ $rnd_value .= sha1($rnd_value . $seed);
+ $seed = md5($seed . $rnd_value);
+ if ( ! defined( 'WP_SETUP_CONFIG' ) )
+ set_transient('random_seed', $seed);
+ }
+
+ // Take the first 8 digits for our value
+ $value = substr($rnd_value, 0, 8);
+
+ // Strip the first eight, leaving the remainder for the next call to wp_rand().
+ $rnd_value = substr($rnd_value, 8);
+
+ $value = abs(hexdec($value));
+
+ // Reduce the value to be within the min - max range
+ // 4294967295 = 0xffffffff = max random number
+ if ( $max != 0 )
+ $value = $min + (($max - $min + 1) * ($value / (4294967295 + 1)));
+
+ return abs(intval($value));
+}
+endif;
+
+if ( !function_exists('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);
+ $wpdb->update($wpdb->users, array('user_pass' => $hash, 'user_activation_key' => ''), array('ID' => $user_id) );
+
+ wp_cache_delete($user_id, 'users');
+}
+endif;
+
+if ( !function_exists( 'get_avatar' ) ) :
+/**
+ * Retrieve the avatar for a user who 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
+ * @param string $alt Alternate text to use in image tag. Defaults to blank
+ * @return string <img> tag for the user's avatar
+*/
+function get_avatar( $id_or_email, $size = '96', $default = '', $alt = false ) {
+ if ( ! get_option('show_avatars') )
+ return false;
+
+ if ( false === $alt)
+ $safe_alt = '';
+ else
+ $safe_alt = esc_attr( $alt );
+
+ if ( !is_numeric($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) ) {
+ // No avatar for pingbacks or trackbacks
+ $allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
+ if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) )
+ return false;
+
+ if ( !empty($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 = $avatar_default;
+ }
+
+ if ( !empty($email) )
+ $email_hash = md5( strtolower( trim( $email ) ) );
+
+ if ( is_ssl() ) {
+ $host = 'https://secure.gravatar.com';
} else {
- return md5($data . $salt);
+ if ( !empty($email) )
+ $host = sprintf( "http://%d.gravatar.com", ( hexdec( $email_hash[0] ) % 2 ) );
+ else
+ $host = 'http://0.gravatar.com';
}
+
+ if ( 'mystery' == $default )
+ $default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
+ elseif ( 'blank' == $default )
+ $default = includes_url('images/blank.gif');
+ elseif ( !empty($email) && 'gravatar_default' == $default )
+ $default = '';
+ elseif ( 'gravatar_default' == $default )
+ $default = "$host/avatar/?s={$size}";
+ elseif ( empty($email) )
+ $default = "$host/avatar/?d=$default&s={$size}";
+ elseif ( strpos($default, 'http://') === 0 )
+ $default = add_query_arg( 's', $size, $default );
+
+ if ( !empty($email) ) {
+ $out = "$host/avatar/";
+ $out .= $email_hash;
+ $out .= '?s='.$size;
+ $out .= '&d=' . urlencode( $default );
+
+ $rating = get_option('avatar_rating');
+ if ( !empty( $rating ) )
+ $out .= "&r={$rating}";
+
+ $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />";
+ } else {
+ $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />";
+ }
+
+ return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt);
}
endif;
-?>
+if ( !function_exists( 'wp_text_diff' ) ) :
+/**
+ * Displays a human readable HTML representation of the difference between two strings.
+ *
+ * The Diff is available for getting the changes between versions. The output is
+ * HTML, so the primary use is for displaying the changes. If the two strings
+ * are equivalent, then an empty string will be returned.
+ *
+ * The arguments supported and can be changed are listed below.
+ *
+ * 'title' : Default is an empty string. Titles the diff in a manner compatible
+ * with the output.
+ * 'title_left' : Default is an empty string. Change the HTML to the left of the
+ * title.
+ * 'title_right' : Default is an empty string. Change the HTML to the right of
+ * the title.
+ *
+ * @since 2.6
+ * @see wp_parse_args() Used to change defaults to user defined settings.
+ * @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 Optional. Change 'title', 'title_left', and 'title_right' defaults.
+ * @return string Empty string if strings are equivalent or HTML with differences.
+ */
+function wp_text_diff( $left_string, $right_string, $args = null ) {
+ $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' );
+ $args = wp_parse_args( $args, $defaults );
+
+ if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) )
+ require( ABSPATH . WPINC . '/wp-diff.php' );
+
+ $left_string = normalize_whitespace($left_string);
+ $right_string = normalize_whitespace($right_string);
+
+ $left_lines = explode("\n", $left_string);
+ $right_lines = explode("\n", $right_string);
+
+ $text_diff = new Text_Diff($left_lines, $right_lines);
+ $renderer = new WP_Text_Diff_Renderer_Table();
+ $diff = $renderer->render($text_diff);
+
+ 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;