<?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 WP_User $current_user The current user object which holds the user data.
+ *
+ * @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 == $current_user->ID) )
+ // If `$id` matches the user who's already current, there's nothing to do.
+ if ( isset( $current_user )
+ && ( $current_user instanceof WP_User )
+ && ( $id == $current_user->ID )
+ && ( null !== $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');
+ /**
+ * Fires after the current user is set.
+ *
+ * @since 2.0.1
+ */
+ do_action( 'set_current_user' );
return $current_user;
}
endif;
if ( !function_exists('wp_get_current_user') ) :
+/**
+ * Retrieve the current user object.
+ *
+ * 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 2.0.3
+ *
+ * @see _wp_get_current_user()
+ * @global WP_User $current_user Checks if the current user is set.
+ *
+ * @return WP_User Current WP_User instance.
+ */
function wp_get_current_user() {
- global $current_user;
-
- get_currentuserinfo();
+ return _wp_get_current_user();
+}
+endif;
- return $current_user;
+if ( !function_exists('get_userdata') ) :
+/**
+ * Retrieve user info by user ID.
+ *
+ * @since 0.71
+ *
+ * @param int $user_id User ID
+ * @return WP_User|false WP_User object on success, false on failure.
+ */
+function get_userdata( $user_id ) {
+ return get_user_by( 'id', $user_id );
}
endif;
-if ( !function_exists('get_currentuserinfo') ) :
-function get_currentuserinfo() {
- global $current_user;
+if ( !function_exists('get_user_by') ) :
+/**
+ * Retrieve user info by a given field
+ *
+ * @since 2.8.0
+ * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
+ *
+ * @param string $field The field to retrieve the user with. id | ID | slug | email | login.
+ * @param int|string $value A value for $field. A user ID, slug, email address, or login name.
+ * @return WP_User|false WP_User object on success, false on failure.
+ */
+function get_user_by( $field, $value ) {
+ $userdata = WP_User::get_data_by( $field, $value );
- if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
+ if ( !$userdata )
return false;
- if ( ! empty($current_user) )
- return;
+ $user = new WP_User;
+ $user->init( $userdata );
- if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) ||
- !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true) ) {
- wp_set_current_user(0);
- return false;
- }
-
- $user_login = $_COOKIE[USER_COOKIE];
- wp_set_current_user(0, $user_login);
+ return $user;
}
endif;
-if ( !function_exists('get_userdata') ) :
-function get_userdata( $user_id ) {
+if ( !function_exists('cache_users') ) :
+/**
+ * Retrieve info for user lists to prevent multiple queries by get_userdata()
+ *
+ * @since 3.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $user_ids User ID numbers list
+ */
+function cache_users( $user_ids ) {
global $wpdb;
- $user_id = (int) $user_id;
- if ( $user_id == 0 )
- return false;
- $user = wp_cache_get($user_id, 'users');
+ $clean = _get_non_cached_ids( $user_ids, 'users' );
- if ( $user )
- return $user;
+ if ( empty( $clean ) )
+ return;
- if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id' LIMIT 1") )
- return false;
+ $list = implode( ',', $clean );
- $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;
+ $users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" );
-if ( !function_exists('update_user_cache') ) :
-function update_user_cache() {
- return true;
+ $ids = array();
+ foreach ( $users as $user ) {
+ update_user_caches( $user );
+ $ids[] = $user->ID;
+ }
+ update_meta_cache( 'user', $ids );
}
endif;
-if ( !function_exists('get_userdatabylogin') ) :
-function get_userdatabylogin($user_login) {
- 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');
+if ( !function_exists( 'wp_mail' ) ) :
+/**
+ * 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
+ * {@see 'wp_mail_content_type'} filter.
+ *
+ * The default charset is based on the charset used on the blog. The charset can
+ * be set using the {@see 'wp_mail_charset'} filter.
+ *
+ * @since 1.2.1
+ *
+ * @global PHPMailer $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
- if ( $userdata )
- return $userdata;
+ /**
+ * Filters the wp_mail() arguments.
+ *
+ * @since 2.2.0
+ *
+ * @param array $args A compacted array of wp_mail() arguments, including the "to" email,
+ * subject, message, headers, and attachments values.
+ */
+ $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );
+
+ if ( isset( $atts['to'] ) ) {
+ $to = $atts['to'];
+ }
- $user_login = $wpdb->escape($user_login);
+ if ( isset( $atts['subject'] ) ) {
+ $subject = $atts['subject'];
+ }
- if ( !$user_ID = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_login = '$user_login'") )
- return false;
+ if ( isset( $atts['message'] ) ) {
+ $message = $atts['message'];
+ }
- $user = get_userdata($user_ID);
- return $user;
-}
-endif;
+ if ( isset( $atts['headers'] ) ) {
+ $headers = $atts['headers'];
+ }
-if ( !function_exists( 'wp_mail' ) ) :
-function wp_mail( $to, $subject, $message, $headers = '' ) {
- // Compact the input, apply the filters, and extract them back out
- extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers' ) ) );
+ if ( isset( $atts['attachments'] ) ) {
+ $attachments = $atts['attachments'];
+ }
+ if ( ! is_array( $attachments ) ) {
+ $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) );
+ }
global $phpmailer;
// (Re)create it, if it's gone missing
- if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) {
+ if ( ! ( $phpmailer instanceof PHPMailer ) ) {
require_once ABSPATH . WPINC . '/class-phpmailer.php';
require_once ABSPATH . WPINC . '/class-smtp.php';
- $phpmailer = new PHPMailer();
+ $phpmailer = new PHPMailer( true );
}
// Headers
+ $cc = $bcc = $reply_to = array();
+
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();
// 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':
+ $bracket_pos = strpos( $content, '<' );
+ if ( $bracket_pos !== false ) {
+ // Text before the bracketed email is the "From" name.
+ if ( $bracket_pos > 0 ) {
+ $from_name = substr( $content, 0, $bracket_pos - 1 );
+ $from_name = str_replace( '"', '', $from_name );
+ $from_name = trim( $from_name );
+ }
+
+ $from_email = substr( $content, $bracket_pos + 1 );
+ $from_email = str_replace( '>', '', $from_email );
+ $from_email = trim( $from_email );
+
+ // Avoid setting an empty $from_email.
+ } elseif ( '' !== trim( $content ) ) {
+ $from_email = trim( $content );
+ }
+ break;
+ case 'content-type':
+ if ( strpos( $content, ';' ) !== false ) {
+ list( $type, $charset_content ) = explode( ';', $content );
+ $content_type = trim( $type );
+ if ( false !== stripos( $charset_content, 'charset=' ) ) {
+ $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) );
+ } elseif ( false !== stripos( $charset_content, 'boundary=' ) ) {
+ $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) );
+ $charset = '';
+ }
+
+ // Avoid setting an empty $content_type.
+ } elseif ( '' !== trim( $content ) ) {
+ $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;
+ case 'reply-to':
+ $reply_to = array_merge( (array) $reply_to, explode( ',', $content ) );
+ break;
+ default:
+ // Add it to our grand headers array
+ $headers[trim( $name )] = trim( $content );
+ break;
}
}
}
}
// Empty out the values that may be set
- $phpmailer->ClearAddresses();
$phpmailer->ClearAllRecipients();
$phpmailer->ClearAttachments();
- $phpmailer->ClearBCCs();
- $phpmailer->ClearCCs();
$phpmailer->ClearCustomHeaders();
$phpmailer->ClearReplyTos();
// 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
+ * https://core.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->Sender = apply_filters( 'wp_mail_from', $from_email );
- $phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
-
- // Set destination address
- $phpmailer->AddAddress( $to );
+ /**
+ * Filters the email address to send from.
+ *
+ * @since 2.2.0
+ *
+ * @param string $from_email Email address to send from.
+ */
+ $from_email = apply_filters( 'wp_mail_from', $from_email );
+
+ /**
+ * Filters the name to associate with the "from" email address.
+ *
+ * @since 2.3.0
+ *
+ * @param string $from_name Name associated with the "from" email address.
+ */
+ $from_name = apply_filters( 'wp_mail_from_name', $from_name );
+
+ $phpmailer->setFrom( $from_email, $from_name, false );
+
+ // Set destination addresses
+ if ( !is_array( $to ) )
+ $to = explode( ',', $to );
// Set mail's subject and body
$phpmailer->Subject = $subject;
- $phpmailer->Body = $message;
+ $phpmailer->Body = $message;
+
+ // Use appropriate methods for handling addresses, rather than treating them as generic headers
+ $address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' );
+
+ foreach ( $address_headers as $address_header => $addresses ) {
+ if ( empty( $addresses ) ) {
+ continue;
+ }
+
+ foreach ( (array) $addresses as $address ) {
+ try {
+ // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
+ $recipient_name = '';
+
+ if ( preg_match( '/(.*)<(.+)>/', $address, $matches ) ) {
+ if ( count( $matches ) == 3 ) {
+ $recipient_name = $matches[1];
+ $address = $matches[2];
+ }
+ }
+
+ switch ( $address_header ) {
+ case 'to':
+ $phpmailer->addAddress( $address, $recipient_name );
+ break;
+ case 'cc':
+ $phpmailer->addCc( $address, $recipient_name );
+ break;
+ case 'bcc':
+ $phpmailer->addBcc( $address, $recipient_name );
+ break;
+ case 'reply_to':
+ $phpmailer->addReplyTo( $address, $recipient_name );
+ break;
+ }
+ } 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';
- }
+ /**
+ * Filters the wp_mail() content type.
+ *
+ * @since 2.3.0
+ *
+ * @param string $content_type Default wp_mail() content type.
+ */
$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
+
+ /**
+ * Filters the default wp_mail() charset.
+ *
+ * @since 2.3.0
+ *
+ * @param string $charset Default email 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 $e ) {
+ continue;
+ }
+ }
}
+ /**
+ * Fires after PHPMailer is initialized.
+ *
+ * @since 2.2.0
+ *
+ * @param PHPMailer &$phpmailer The PHPMailer instance, passed by reference.
+ */
do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
// Send!
- $result = @$phpmailer->Send();
+ try {
+ return $phpmailer->Send();
+ } catch ( phpmailerException $e ) {
+
+ $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
+ $mail_error_data['phpmailer_exception_code'] = $e->getCode();
+
+ /**
+ * Fires after a phpmailerException is caught.
+ *
+ * @since 4.4.0
+ *
+ * @param WP_Error $error A WP_Error object with the phpmailerException message, and an array
+ * containing the mail recipient, subject, message, headers, and attachments.
+ */
+ do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) );
- return $result;
+ return false;
+ }
}
endif;
-if ( !function_exists('wp_login') ) :
-function wp_login($username, $password, $already_md5 = false) {
- global $wpdb, $error;
-
+if ( !function_exists('wp_authenticate') ) :
+/**
+ * Authenticate a user, confirming the login credentials are valid.
+ *
+ * @since 2.5.0
+ * @since 4.5.0 `$username` now accepts an email address.
+ *
+ * @param string $username User's username or email address.
+ * @param string $password User's password.
+ * @return WP_User|WP_Error WP_User object if the credentials are valid,
+ * otherwise WP_Error.
+ */
+function wp_authenticate($username, $password) {
$username = sanitize_user($username);
+ $password = trim($password);
+
+ /**
+ * Filters whether a set of user login credentials are valid.
+ *
+ * A WP_User object is returned if the credentials authenticate a user.
+ * WP_Error or null otherwise.
+ *
+ * @since 2.8.0
+ * @since 4.5.0 `$username` now accepts an email address.
+ *
+ * @param null|WP_User|WP_Error $user WP_User if the user is authenticated.
+ * WP_Error or null otherwise.
+ * @param string $username Username or email address.
+ * @param string $password User 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, email address or incorrect password.' ) );
+ }
+
+ $ignore_codes = array('empty_username', 'empty_password');
+
+ if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) {
+ /**
+ * Fires after a user login has failed.
+ *
+ * @since 2.5.0
+ * @since 4.5.0 The value of `$username` can now be an email address.
+ *
+ * @param string $username Username or email address.
+ */
+ do_action( 'wp_login_failed', $username );
+ }
+
+ return $user;
+}
+endif;
+
+if ( !function_exists('wp_logout') ) :
+/**
+ * Log the current user out.
+ *
+ * @since 2.5.0
+ */
+function wp_logout() {
+ wp_destroy_current_session();
+ wp_clear_auth_cookie();
+
+ /**
+ * Fires after a user is logged-out.
+ *
+ * @since 1.5.0
+ */
+ 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 2.5.0
+ *
+ * @global int $login_grace_period
+ *
+ * @param string $cookie Optional. If used, will validate contents instead of cookie's
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return false|int False if invalid cookie, User ID if valid.
+ */
+function wp_validate_auth_cookie($cookie = '', $scheme = '') {
+ if ( ! $cookie_elements = wp_parse_auth_cookie($cookie, $scheme) ) {
+ /**
+ * Fires if an authentication cookie is malformed.
+ *
+ * @since 2.7.0
+ *
+ * @param string $cookie Malformed auth cookie.
+ * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth',
+ * or 'logged_in'.
+ */
+ do_action( 'auth_cookie_malformed', $cookie, $scheme );
+ return false;
+ }
+
+ $scheme = $cookie_elements['scheme'];
+ $username = $cookie_elements['username'];
+ $hmac = $cookie_elements['hmac'];
+ $token = $cookie_elements['token'];
+ $expired = $expiration = $cookie_elements['expiration'];
- if ( '' == $username )
+ // Allow a grace period for POST and Ajax requests
+ if ( wp_doing_ajax() || 'POST' == $_SERVER['REQUEST_METHOD'] ) {
+ $expired += HOUR_IN_SECONDS;
+ }
+
+ // Quick check to see if an honest cookie has expired
+ if ( $expired < time() ) {
+ /**
+ * Fires once an authentication cookie has expired.
+ *
+ * @since 2.7.0
+ *
+ * @param array $cookie_elements An array of data for the authentication cookie.
+ */
+ do_action( 'auth_cookie_expired', $cookie_elements );
return false;
+ }
- if ( '' == $password ) {
- $error = __('<strong>ERROR</strong>: The password field is empty.');
+ $user = get_user_by('login', $username);
+ if ( ! $user ) {
+ /**
+ * Fires if a bad username is entered in the user authentication process.
+ *
+ * @since 2.7.0
+ *
+ * @param array $cookie_elements An array of data for the authentication cookie.
+ */
+ do_action( 'auth_cookie_bad_username', $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'");
+ $pass_frag = substr($user->user_pass, 8, 4);
+
+ $key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
- if (!$login) {
- $error = __('<strong>ERROR</strong>: Invalid username.');
+ // If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
+ $algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
+ $hash = hash_hmac( $algo, $username . '|' . $expiration . '|' . $token, $key );
+
+ if ( ! hash_equals( $hash, $hmac ) ) {
+ /**
+ * Fires if a bad authentication cookie hash is encountered.
+ *
+ * @since 2.7.0
+ *
+ * @param array $cookie_elements An array of data for the authentication cookie.
+ */
+ 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 = '';
+ }
+
+ $manager = WP_Session_Tokens::get_instance( $user->ID );
+ if ( ! $manager->verify( $token ) ) {
+ do_action( 'auth_cookie_bad_session_token', $cookie_elements );
+ return false;
+ }
+
+ // Ajax/POST grace period set above
+ if ( $expiration < time() ) {
+ $GLOBALS['login_grace_period'] = 1;
+ }
+
+ /**
+ * Fires once an authentication cookie has been validated.
+ *
+ * @since 2.7.0
+ *
+ * @param array $cookie_elements An array of data for the authentication cookie.
+ * @param WP_User $user User object.
+ */
+ do_action( 'auth_cookie_valid', $cookie_elements, $user );
+
+ return $user->ID;
+}
+endif;
+
+if ( !function_exists('wp_generate_auth_cookie') ) :
+/**
+ * Generate authentication cookie contents.
+ *
+ * @since 2.5.0
+ *
+ * @param int $user_id User ID
+ * @param int $expiration The time the cookie expires as a UNIX timestamp.
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @param string $token User's session token to use for this cookie
+ * @return string Authentication cookie contents. Empty string if user does not exist.
+ */
+function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) {
+ $user = get_userdata($user_id);
+ if ( ! $user ) {
+ return '';
+ }
+
+ if ( ! $token ) {
+ $manager = WP_Session_Tokens::get_instance( $user_id );
+ $token = $manager->create( $expiration );
+ }
+
+ $pass_frag = substr($user->user_pass, 8, 4);
+
+ $key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
+
+ // If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
+ $algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
+ $hash = hash_hmac( $algo, $user->user_login . '|' . $expiration . '|' . $token, $key );
+
+ $cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash;
+
+ /**
+ * Filters the authentication cookie.
+ *
+ * @since 2.5.0
+ *
+ * @param string $cookie Authentication cookie.
+ * @param int $user_id User ID.
+ * @param int $expiration The time the cookie expires as a UNIX timestamp.
+ * @param string $scheme Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'.
+ * @param string $token User's session token used.
+ */
+ return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token );
+}
+endif;
+
+if ( !function_exists('wp_parse_auth_cookie') ) :
+/**
+ * Parse a cookie into its components
+ *
+ * @since 2.7.0
+ *
+ * @param string $cookie
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return array|false Authentication cookie components
+ */
+function wp_parse_auth_cookie($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 ) !== 4 ) {
+ return false;
+ }
+
+ list( $username, $expiration, $token, $hmac ) = $cookie_elements;
+
+ return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' );
+}
+endif;
+
+if ( !function_exists('wp_set_auth_cookie') ) :
+/**
+ * Log in a user by setting authentication cookies.
+ *
+ * The $remember parameter increases the time that the cookie will be kept. The
+ * default the cookie is kept without remembering is two days. When $remember is
+ * set, the cookies will be kept for 14 days or two weeks.
+ *
+ * @since 2.5.0
+ * @since 4.3.0 Added the `$token` parameter.
+ *
+ * @param int $user_id User ID
+ * @param bool $remember Whether to remember the user
+ * @param mixed $secure Whether the admin cookies should only be sent over HTTPS.
+ * Default is_ssl().
+ * @param string $token Optional. User's session token to use for this cookie.
+ */
+function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) {
+ if ( $remember ) {
+ /**
+ * Filters the duration of the authentication cookie expiration period.
+ *
+ * @since 2.8.0
+ *
+ * @param int $length Duration of the expiration period in seconds.
+ * @param int $user_id User ID.
+ * @param bool $remember Whether to remember the user login. Default false.
+ */
+ $expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember );
+
+ /*
+ * Ensure the browser will continue to send the cookie after the expiration time is reached.
+ * Needed for the login grace period in wp_validate_auth_cookie().
+ */
+ $expire = $expiration + ( 12 * HOUR_IN_SECONDS );
+ } else {
+ /** This filter is documented in wp-includes/pluggable.php */
+ $expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember );
+ $expire = 0;
+ }
+
+ if ( '' === $secure ) {
+ $secure = is_ssl();
+ }
+
+ // Front-end cookie is secure when the auth cookie is secure and the site's home URL is forced HTTPS.
+ $secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME );
+
+ /**
+ * Filters whether the connection is secure.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $secure Whether the connection is secure.
+ * @param int $user_id User ID.
+ */
+ $secure = apply_filters( 'secure_auth_cookie', $secure, $user_id );
+
+ /**
+ * Filters whether to use a secure cookie when logged-in.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $secure_logged_in_cookie Whether to use a secure cookie when logged-in.
+ * @param int $user_id User ID.
+ * @param bool $secure Whether the connection is secure.
+ */
+ $secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure );
+
+ if ( $secure ) {
+ $auth_cookie_name = SECURE_AUTH_COOKIE;
+ $scheme = 'secure_auth';
+ } else {
+ $auth_cookie_name = AUTH_COOKIE;
+ $scheme = 'auth';
+ }
+
+ if ( '' === $token ) {
+ $manager = WP_Session_Tokens::get_instance( $user_id );
+ $token = $manager->create( $expiration );
+ }
+
+ $auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token );
+ $logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token );
+
+ /**
+ * Fires immediately before the authentication cookie is set.
+ *
+ * @since 2.5.0
+ *
+ * @param string $auth_cookie Authentication cookie.
+ * @param int $expire The time the login grace period expires as a UNIX timestamp.
+ * Default is 12 hours past the cookie's expiration time.
+ * @param int $expiration The time when the authentication cookie expires as a UNIX timestamp.
+ * Default is 14 days from now.
+ * @param int $user_id User ID.
+ * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth', or 'logged_in'.
+ */
+ do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme );
+
+ /**
+ * Fires immediately before the logged-in authentication cookie is set.
+ *
+ * @since 2.6.0
+ *
+ * @param string $logged_in_cookie The logged-in cookie.
+ * @param int $expire The time the login grace period expires as a UNIX timestamp.
+ * Default is 12 hours past the cookie's expiration time.
+ * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp.
+ * Default is 14 days from now.
+ * @param int $user_id User ID.
+ * @param string $scheme Authentication scheme. Default 'logged_in'.
+ */
+ 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 2.5.0
+ */
+function wp_clear_auth_cookie() {
+ /**
+ * Fires just before the authentication cookies are cleared.
+ *
+ * @since 2.7.0
+ */
+ do_action( 'clear_auth_cookie' );
+
+ setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
+ setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
+ setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
+ setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
+ setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
+ setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+
+ // Old cookies
+ setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
+ setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+ setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
+ setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+
+ // Even older cookies
+ setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
+ setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
+ setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
+ setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, 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 )
- return false;
-
- return true;
+ return $user->exists();
}
endif;
if ( !function_exists('auth_redirect') ) :
+/**
+ * Checks if a user is logged in, if not it redirects them to the login page.
+ *
+ * @since 1.5.0
+ */
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
- if ( (!empty($_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() );
+
+ /**
+ * Filters whether to use a secure authentication redirect.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $secure Whether to use a secure authentication redirect. Default false.
+ */
+ $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( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+ exit();
+ } else {
+ wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+ exit();
+ }
+ }
+
+ /**
+ * Filters the authentication redirect scheme.
+ *
+ * @since 2.9.0
+ *
+ * @param string $scheme Authentication redirect scheme. Default empty.
+ */
+ $scheme = apply_filters( 'auth_redirect_scheme', '' );
+
+ if ( $user_id = wp_validate_auth_cookie( '', $scheme) ) {
+ /**
+ * Fires before the authentication redirect.
+ *
+ * @since 2.8.0
+ *
+ * @param int $user_id User ID.
+ */
+ 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( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
+ 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();
+
+ $redirect = ( strpos( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) ? wp_get_referer() : set_url_scheme( 'http://' . $_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
+ *
+ * @param int|string $action Action nonce.
+ * @param string $query_arg Optional. Key to check for nonce in `$_REQUEST` (since 2.5).
+ * Default '_wpnonce'.
+ * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
+ * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+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.' ), '3.2.0' );
+
+ $adminurl = strtolower(admin_url());
$referer = strtolower(wp_get_referer());
- if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) &&
- !(-1 == $action && strpos($referer, $adminurl) !== false)) {
- wp_nonce_ays($action);
+ $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false;
+
+ /**
+ * Fires once the admin request has been validated or not.
+ *
+ * @since 1.5.1
+ *
+ * @param string $action The nonce action.
+ * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
+ * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+ do_action( 'check_admin_referer', $action, $result );
+
+ if ( ! $result && ! ( -1 == $action && strpos( $referer, $adminurl ) === 0 ) ) {
+ wp_nonce_ays( $action );
die();
}
- do_action('check_admin_referer', $action);
-}endif;
+
+ 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 int|string $action Action nonce.
+ * @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false,
+ * `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce'
+ * (in that order). Default false.
+ * @param bool $die Optional. Whether to die early when the nonce cannot be verified.
+ * Default true.
+ * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
+ * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
+ if ( -1 == $action ) {
+ _doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '4.7' );
+ }
- $cookie = explode('; ', urldecode(empty($_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);
+ $nonce = '';
+
+ if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) )
+ $nonce = $_REQUEST[ $query_arg ];
+ elseif ( isset( $_REQUEST['_ajax_nonce'] ) )
+ $nonce = $_REQUEST['_ajax_nonce'];
+ elseif ( isset( $_REQUEST['_wpnonce'] ) )
+ $nonce = $_REQUEST['_wpnonce'];
+
+ $result = wp_verify_nonce( $nonce, $action );
+
+ /**
+ * Fires once the Ajax request has been validated or not.
+ *
+ * @since 2.1.0
+ *
+ * @param string $action The Ajax nonce action.
+ * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
+ * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+ do_action( 'check_ajax_referer', $action, $result );
+
+ if ( $die && false === $result ) {
+ if ( wp_doing_ajax() ) {
+ wp_die( -1, 403 );
+ } else {
+ die( '-1' );
+ }
}
- if ( $current_name != $user || !wp_login( $user, $pass, true ) )
- die('-1');
- do_action('check_ajax_referer');
+ 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.
+ *
+ * Note: wp_redirect() does not exit automatically, and should almost always be
+ * followed by a call to `exit;`:
+ *
+ * wp_redirect( $url );
+ * exit;
+ *
+ * Exiting can also be selectively manipulated by using wp_redirect() as a conditional
+ * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_location'} hooks:
+ *
+ * if ( wp_redirect( $url ) ) {
+ * exit;
+ * }
+ *
+ * @since 1.5.1
+ *
+ * @global bool $is_IIS
+ *
+ * @param string $location The path to redirect to.
+ * @param int $status Status code to use.
+ * @return bool False if $location is not provided, true otherwise.
+ */
function wp_redirect($location, $status = 302) {
global $is_IIS;
- $location = apply_filters('wp_redirect', $location, $status);
-
- if ( !$location ) // allows the wp_redirect filter to cancel a redirect
+ /**
+ * Filters the redirect location.
+ *
+ * @since 2.1.0
+ *
+ * @param string $location The path to redirect to.
+ * @param int $status Status code to use.
+ */
+ $location = apply_filters( 'wp_redirect', $location, $status );
+
+ /**
+ * Filters the redirect status code.
+ *
+ * @since 2.3.0
+ *
+ * @param int $status Status code to use.
+ * @param string $location The path to redirect to.
+ */
+ $status = apply_filters( 'wp_redirect_status', $status, $location );
+
+ if ( ! $location )
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 != 'cgi-fcgi' )
+ status_header($status); // This causes problems on IIS and some FastCGI setups
+
+ header("Location: $location", true, $status);
+
+ return true;
}
endif;
if ( !function_exists('wp_sanitize_redirect') ) :
/**
- * sanitizes a URL for use in a redirect
- * @return string redirect-sanitized URL
+ * Sanitizes a URL for use in a redirect.
+ *
+ * @since 2.3.0
+ *
+ * @param string $location The path to redirect to.
+ * @return string Redirect-sanitized URL.
**/
function wp_sanitize_redirect($location) {
- $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
+ $regex = '/
+ (
+ (?: [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx
+ | \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2
+ | [\xE1-\xEC][\x80-\xBF]{2}
+ | \xED[\x80-\x9F][\x80-\xBF]
+ | [\xEE-\xEF][\x80-\xBF]{2}
+ | \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3
+ | [\xF1-\xF3][\x80-\xBF]{3}
+ | \xF4[\x80-\x8F][\x80-\xBF]{2}
+ ){1,40} # ...one or more times
+ )/x';
+ $location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_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;
+ $strip = array('%0d', '%0a', '%0D', '%0A');
+ return _deep_replace( $strip, $location );
+}
+
+/**
+ * URL encode UTF-8 characters in a URL.
+ *
+ * @ignore
+ * @since 4.2.0
+ * @access private
+ *
+ * @see wp_sanitize_redirect()
+ *
+ * @param array $matches RegEx matches against the redirect location.
+ * @return string URL-encoded version of the first RegEx match.
+ */
+function _wp_sanitize_utf8_in_redirect( $matches ) {
+ return urlencode( $matches[0] );
}
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 defaults to wp-admin on the siteurl
+ * instead. This prevents malicious redirects which redirect to another host,
+ * but only used in a few places.
+ *
+ * @since 2.3.0
+ *
+ * @param string $location The path to redirect to.
+ * @param int $status Status code to use.
+ */
function wp_safe_redirect($location, $status = 302) {
// Need to look at the URL the way it will end up in wp_redirect()
$location = wp_sanitize_redirect($location);
+ /**
+ * Filters the redirect fallback URL for when the provided redirect is not safe (local).
+ *
+ * @since 4.3.0
+ *
+ * @param string $fallback_url The fallback URL to use by default.
+ * @param int $status The redirect status.
+ */
+ $location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) );
+
+ wp_redirect($location, $status);
+}
+endif;
+
+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
+ *
+ * @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 = '') {
+ $location = trim( $location );
// browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
if ( substr($location, 0, 2) == '//' )
$location = 'http:' . $location;
- $lp = parse_url($location);
- $wpp = parse_url(get_option('home'));
+ // 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;
- $allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), $lp['host']);
+ // @-operator is used to prevent possible warnings in PHP < 5.3.3.
+ $lp = @parse_url($test);
- if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
- $location = get_option('siteurl') . '/wp-admin/';
+ // Give up if malformed URL
+ if ( false === $lp )
+ return $default;
- wp_redirect($location, $status);
-}
-endif;
+ // Allow only http and https schemes. No data:, etc.
+ if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) )
+ return $default;
-if ( !function_exists('wp_get_cookie_login') ):
-function wp_get_cookie_login() {
- if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) )
- return false;
+ // Reject if certain components are 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['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) {
+ return $default;
+ }
- return array('login' => $_COOKIE[USER_COOKIE], 'password' => $_COOKIE[PASS_COOKIE]);
-}
+ // Reject malformed components parse_url() can return on odd inputs.
+ foreach ( array( 'user', 'pass', 'host' ) as $component ) {
+ if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) {
+ return $default;
+ }
+ }
-endif;
+ $wpp = parse_url(home_url());
-if ( !function_exists('wp_setcookie') ) :
-function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
- if ( !$already_md5 )
- $password = md5( md5($password) ); // Double hash the password in the cookie.
+ /**
+ * Filters the whitelist of hosts to redirect to.
+ *
+ * @since 2.3.0
+ *
+ * @param array $hosts An array of allowed hosts.
+ * @param bool|string $host The parsed host; empty if not isset.
+ */
+ $allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '' );
- if ( empty($home) )
- $cookiepath = COOKIEPATH;
- else
- $cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/' );
+ if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
+ $location = $default;
- if ( empty($siteurl) ) {
- $sitecookiepath = SITECOOKIEPATH;
- $cookiehash = COOKIEHASH;
- } else {
- $sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/' );
- $cookiehash = md5($siteurl);
+ return $location;
+}
+endif;
+
+if ( ! function_exists('wp_notify_postauthor') ) :
+/**
+ * Notify an author (and/or others) of a comment/trackback/pingback on a post.
+ *
+ * @since 1.0.0
+ *
+ * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
+ * @param string $deprecated Not used
+ * @return bool True on completion. False if no email addresses were specified.
+ */
+function wp_notify_postauthor( $comment_id, $deprecated = null ) {
+ if ( null !== $deprecated ) {
+ _deprecated_argument( __FUNCTION__, '3.8.0' );
}
- if ( $remember )
- $expire = time() + 31536000;
- else
- $expire = 0;
+ $comment = get_comment( $comment_id );
+ if ( empty( $comment ) || empty( $comment->comment_post_ID ) )
+ return false;
- setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN);
- setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN);
+ $post = get_post( $comment->comment_post_ID );
+ $author = get_userdata( $post->post_author );
- if ( $cookiepath != $sitecookiepath ) {
- setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN);
- setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN);
+ // Who to notify? By default, just the post author, but others can be added.
+ $emails = array();
+ if ( $author ) {
+ $emails[] = $author->user_email;
}
-}
-endif;
-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);
-}
-endif;
+ /**
+ * Filters the list of email addresses to receive a comment notification.
+ *
+ * By default, only post authors are notified of comments. This filter allows
+ * others to be added.
+ *
+ * @since 3.7.0
+ *
+ * @param array $emails An array of email addresses to receive a comment notification.
+ * @param int $comment_id The comment ID.
+ */
+ $emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID );
+ $emails = array_filter( $emails );
+
+ // If there are no addresses to send the comment to, bail.
+ if ( ! count( $emails ) ) {
+ return false;
+ }
-if ( ! function_exists('wp_notify_postauthor') ) :
-function wp_notify_postauthor($comment_id, $comment_type='') {
- global $wpdb;
+ // Facilitate unsetting below without knowing the keys.
+ $emails = array_flip( $emails );
+
+ /**
+ * Filters whether to notify comment authors of their comments on their own posts.
+ *
+ * By default, comment authors aren't notified of their comments on their own
+ * posts. This filter allows you to override that.
+ *
+ * @since 3.8.0
+ *
+ * @param bool $notify Whether to notify the post author of their own comment.
+ * Default false.
+ * @param int $comment_id The comment ID.
+ */
+ $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID );
+
+ // The comment was left by the author
+ if ( $author && ! $notify_author && $comment->user_id == $post->post_author ) {
+ unset( $emails[ $author->user_email ] );
+ }
- $comment = get_comment($comment_id);
- $post = get_post($comment->comment_post_ID);
- $user = get_userdata( $post->post_author );
+ // The author moderated a comment on their own post
+ if ( $author && ! $notify_author && $post->post_author == get_current_user_id() ) {
+ unset( $emails[ $author->user_email ] );
+ }
- if ('' == $user->user_email) return false; // If there's no email to send the comment to
+ // The post author is no longer a member of the blog
+ if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) {
+ unset( $emails[ $author->user_email ] );
+ }
+
+ // If there's no email to send the comment to, bail, otherwise flip array back around for use below
+ if ( ! count( $emails ) ) {
+ return false;
+ } else {
+ $emails = array_flip( $emails );
+ }
+
+ $switched_locale = switch_to_locale( get_locale() );
$comment_author_domain = @gethostbyaddr($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 );
+ // 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);
+ $comment_content = wp_specialchars_decode( $comment->comment_content );
+
+ switch ( $comment->comment_type ) {
+ case 'trackback':
+ /* translators: 1: Post title */
+ $notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
+ /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */
+ $notify_message .= sprintf( __('Website: %1$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 .= sprintf( __( 'Comment: %s' ), "\r\n" . $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 );
+ break;
+ case 'pingback':
+ /* translators: 1: Post title */
+ $notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
+ /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */
+ $notify_message .= sprintf( __('Website: %1$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 .= sprintf( __( 'Comment: %s' ), "\r\n" . $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 );
+ break;
+ default: // Comments
+ $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( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
+ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+ $notify_message .= sprintf( __('Comment: %s' ), "\r\n" . $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 );
+ break;
}
$notify_message .= get_permalink($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_comment_link( $comment ) ) . "\r\n";
+
+ if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) {
+ if ( EMPTY_TRASH_DAYS ) {
+ $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
+ } else {
+ $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
+ }
+ $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
+ }
$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
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);
+ /**
+ * Filters the comment notification email text.
+ *
+ * @since 1.5.2
+ *
+ * @param string $notify_message The comment notification email text.
+ * @param int $comment_id Comment ID.
+ */
+ $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID );
+
+ /**
+ * Filters the comment notification email subject.
+ *
+ * @since 1.5.2
+ *
+ * @param string $subject The comment notification email subject.
+ * @param int $comment_id Comment ID.
+ */
+ $subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID );
+
+ /**
+ * Filters the comment notification email headers.
+ *
+ * @since 1.5.2
+ *
+ * @param string $message_headers Headers for the comment notification email.
+ * @param int $comment_id Comment ID.
+ */
+ $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );
+
+ foreach ( $emails as $email ) {
+ @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
+ }
- @wp_mail($user->user_email, $subject, $notify_message, $message_headers);
+ if ( $switched_locale ) {
+ restore_previous_locale();
+ }
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 site about a new comment that is awaiting approval.
+ *
+ * @since 1.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator
+ * should be notified, overriding the site setting.
+ *
+ * @param int $comment_id Comment ID.
+ * @return true Always returns true.
+ */
function wp_notify_moderator($comment_id) {
global $wpdb;
- if( get_option( "moderation_notify" ) == 0 )
+ $maybe_notify = get_option( 'moderation_notify' );
+
+ /**
+ * Filters whether to send the site moderator email notifications, overriding the site setting.
+ *
+ * @since 4.4.0
+ *
+ * @param bool $maybe_notify Whether to notify blog moderator.
+ * @param int $comment_ID The id of the comment for the notification.
+ */
+ $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );
+
+ if ( ! $maybe_notify ) {
return true;
+ }
+
+ $comment = get_comment($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.
+ $emails = array( get_option( 'admin_email' ) );
+ if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) {
+ if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) )
+ $emails[] = $user->user_email;
+ }
- $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");
+ $switched_locale = switch_to_locale( get_locale() );
$comment_author_domain = @gethostbyaddr($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";
+ // 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);
+ $comment_content = wp_specialchars_decode( $comment->comment_content );
+
+ switch ( $comment->comment_type ) {
+ case 'trackback':
+ /* translators: 1: Post title */
+ $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";
+ /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */
+ $notify_message .= sprintf( __( 'Website: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+ /* translators: 1: Trackback/pingback/comment author URL */
+ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+ $notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment_content . "\r\n\r\n";
+ break;
+ case 'pingback':
+ /* translators: 1: Post title */
+ $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";
+ /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */
+ $notify_message .= sprintf( __( 'Website: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+ /* translators: 1: Trackback/pingback/comment author URL */
+ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+ $notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment_content . "\r\n\r\n";
+ break;
+ default: // Comments
+ /* translators: 1: Post title */
+ $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";
+ /* translators: 1: Comment author name, 2: comment author's IP, 3: comment author IP's hostname */
+ $notify_message .= sprintf( __( 'Author: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+ /* translators: 1: Comment author URL */
+ $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
+ /* translators: 1: Trackback/pingback/comment author URL */
+ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
+ /* translators: 1: Comment text */
+ $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
+ break;
+ }
- $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
- $admin_email = get_option('admin_email');
+ /* translators: Comment moderation. 1: Comment action URL */
+ $notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n";
- $notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id);
- $subject = apply_filters('comment_moderation_subject', $subject, $comment_id);
+ if ( EMPTY_TRASH_DAYS ) {
+ /* translators: Comment moderation. 1: Comment action URL */
+ $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+ } else {
+ /* translators: Comment moderation. 1: Comment action URL */
+ $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+ }
- @wp_mail($admin_email, $subject, $notify_message);
+ /* translators: Comment moderation. 1: Comment action URL */
+ $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n";
+
+ /* translators: Comment moderation. 1: Number of comments awaiting approval */
+ $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#wpbody-content" ) . "\r\n";
+
+ /* translators: Comment moderation notification email subject. 1: Site name, 2: Post title */
+ $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), $blogname, $post->post_title );
+ $message_headers = '';
+
+ /**
+ * Filters the list of recipients for comment moderation emails.
+ *
+ * @since 3.7.0
+ *
+ * @param array $emails List of email addresses to notify for comment moderation.
+ * @param int $comment_id Comment ID.
+ */
+ $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id );
+
+ /**
+ * Filters the comment moderation email text.
+ *
+ * @since 1.5.2
+ *
+ * @param string $notify_message Text of the comment moderation email.
+ * @param int $comment_id Comment ID.
+ */
+ $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id );
+
+ /**
+ * Filters the comment moderation email subject.
+ *
+ * @since 1.5.2
+ *
+ * @param string $subject Subject of the comment moderation email.
+ * @param int $comment_id Comment ID.
+ */
+ $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id );
+
+ /**
+ * Filters the comment moderation email headers.
+ *
+ * @since 2.8.0
+ *
+ * @param string $message_headers Headers for the comment moderation email.
+ * @param int $comment_id Comment ID.
+ */
+ $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id );
+
+ foreach ( $emails as $email ) {
+ @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
+ }
+
+ if ( $switched_locale ) {
+ restore_previous_locale();
+ }
return true;
}
endif;
+if ( !function_exists('wp_password_change_notification') ) :
+/**
+ * Notify the blog admin of a user changing password, normally via email.
+ *
+ * @since 2.7.0
+ *
+ * @param WP_User $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 ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
+ /* translators: %s: user name */
+ $message = sprintf( __( 'Password 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);
+ /* translators: %s: site title */
+ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Password Changed' ), $blogname ), $message );
+ }
+}
+endif;
+
if ( !function_exists('wp_new_user_notification') ) :
-function wp_new_user_notification($user_id, $plaintext_pass = '') {
- $user = new WP_User($user_id);
+/**
+ * Email login credentials to a newly-registered user.
+ *
+ * A new user registration notification is also sent to admin email.
+ *
+ * @since 2.0.0
+ * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`.
+ * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter.
+ * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created.
+ *
+ * @global wpdb $wpdb WordPress database object for queries.
+ * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance.
+ *
+ * @param int $user_id User ID.
+ * @param null $deprecated Not used (argument deprecated).
+ * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' or an empty
+ * string (admin only), 'user', or 'both' (admin and user). Default empty.
+ */
+function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) {
+ if ( $deprecated !== null ) {
+ _deprecated_argument( __FUNCTION__, '4.3.1' );
+ }
- $user_login = stripslashes($user->user_login);
- $user_email = stripslashes($user->user_email);
+ global $wpdb, $wp_hasher;
+ $user = get_userdata( $user_id );
- $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";
+ // 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] New User Registration'), get_option('blogname')), $message);
+ if ( 'user' !== $notify ) {
+ $switched_locale = switch_to_locale( get_locale() );
+ $message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n";
+ $message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n";
+ $message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n";
+
+ @wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] New User Registration' ), $blogname ), $message );
+
+ if ( $switched_locale ) {
+ restore_previous_locale();
+ }
+ }
- if ( empty($plaintext_pass) )
+ // `$deprecated was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification.
+ if ( 'admin' === $notify || ( empty( $deprecated ) && empty( $notify ) ) ) {
return;
+ }
+
+ // Generate something random for a password reset key.
+ $key = wp_generate_password( 20, false );
+
+ /** This action is documented in wp-login.php */
+ do_action( 'retrieve_password_key', $user->user_login, $key );
+
+ // Now insert the key, hashed, into the DB.
+ if ( empty( $wp_hasher ) ) {
+ $wp_hasher = new PasswordHash( 8, true );
+ }
+ $hashed = time() . ':' . $wp_hasher->HashPassword( $key );
+ $wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) );
+
+ $switched_locale = switch_to_locale( get_user_locale( $user ) );
- $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 = sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
+ $message .= __('To set your password, visit the following address:') . "\r\n\r\n";
+ $message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user->user_login), 'login') . ">\r\n\r\n";
- wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
+ $message .= wp_login_url() . "\r\n";
+ wp_mail($user->user_email, sprintf(__('[%s] Your username and password info'), $blogname), $message);
+
+ if ( $switched_locale ) {
+ restore_previous_locale();
+ }
+}
+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 2.5.0
+ *
+ * @return float Float value rounded up to the next highest integer.
+ */
+function wp_nonce_tick() {
+ /**
+ * Filters the lifespan of nonces in seconds.
+ *
+ * @since 2.5.0
+ *
+ * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day.
+ */
+ $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS );
+
+ return ceil(time() / ( $nonce_life / 2 ));
}
endif;
if ( !function_exists('wp_verify_nonce') ) :
-function wp_verify_nonce($nonce, $action = -1) {
+/**
+ * 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 false|int False if the nonce is invalid, 1 if the nonce is valid and generated between
+ * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
+ */
+function wp_verify_nonce( $nonce, $action = -1 ) {
+ $nonce = (string) $nonce;
$user = wp_get_current_user();
- $uid = (int) $user->id;
+ $uid = (int) $user->ID;
+ if ( ! $uid ) {
+ /**
+ * Filters whether the user who generated the nonce is logged out.
+ *
+ * @since 3.5.0
+ *
+ * @param int $uid ID of the nonce-owning user.
+ * @param string $action The nonce action.
+ */
+ $uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
+ }
- $i = ceil(time() / 43200);
+ if ( empty( $nonce ) ) {
+ return false;
+ }
- //Allow for expanding range, but only do one check if we can
- if( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce || substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
- return true;
+ $token = wp_get_session_token();
+ $i = wp_nonce_tick();
+
+ // Nonce generated 0-12 hours ago
+ $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10 );
+ if ( hash_equals( $expected, $nonce ) ) {
+ return 1;
+ }
+
+ // Nonce generated 12-24 hours ago
+ $expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
+ if ( hash_equals( $expected, $nonce ) ) {
+ return 2;
+ }
+
+ /**
+ * Fires when nonce verification fails.
+ *
+ * @since 4.4.0
+ *
+ * @param string $nonce The invalid nonce.
+ * @param string|int $action The nonce action.
+ * @param WP_User $user The current user object.
+ * @param string $token The user's session token.
+ */
+ do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token );
+
+ // Invalid nonce
return false;
}
endif;
if ( !function_exists('wp_create_nonce') ) :
+/**
+ * Creates a cryptographic token tied to a specific action, user, user session,
+ * and window of time.
+ *
+ * @since 2.0.3
+ * @since 4.0.0 Session tokens were integrated with nonce creation
+ *
+ * @param string|int $action Scalar value to add context to the nonce.
+ * @return string The token.
+ */
function wp_create_nonce($action = -1) {
$user = wp_get_current_user();
- $uid = (int) $user->id;
+ $uid = (int) $user->ID;
+ if ( ! $uid ) {
+ /** This filter is documented in wp-includes/pluggable.php */
+ $uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
+ }
- $i = ceil(time() / 43200);
+ $token = wp_get_session_token();
+ $i = wp_nonce_tick();
- return substr(wp_hash($i . $action . $uid), -12, 10);
+ return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
}
endif;
if ( !function_exists('wp_salt') ) :
-function wp_salt() {
- $salt = get_option('secret');
- if ( empty($salt) )
- $salt = DB_PASSWORD . DB_USER . DB_NAME . DB_HOST . ABSPATH;
+/**
+ * Get salt to add to hashes.
+ *
+ * Salts are created using secret keys. Secret keys are located in two places:
+ * in the database and in the wp-config.php file. The secret key in the database
+ * is randomly generated and will be appended to the secret keys in wp-config.php.
+ *
+ * The secret keys in wp-config.php should be updated to strong, random keys to maximize
+ * security. Below is an example of how the secret key constants are defined.
+ * Do not paste this example directly into wp-config.php. Instead, have a
+ * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just
+ * for you.
+ *
+ * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON');
+ * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~');
+ * define('LOGGED_IN_KEY', '|i|Ux`9<p-h$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');
+ *
+ * Salting passwords helps against tools which has stored hashed values of
+ * common dictionary strings. The added values makes it harder to crack.
+ *
+ * @since 2.5.0
+ *
+ * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php
+ *
+ * @staticvar array $cached_salts
+ * @staticvar array $duplicated_keys
+ *
+ * @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 ] ) ) {
+ /**
+ * Filters the WordPress salt.
+ *
+ * @since 2.5.0
+ *
+ * @param string $cached_salt Cached salt for the given scheme.
+ * @param string $scheme Authentication scheme. Values include 'auth',
+ * 'secure_auth', 'logged_in', and 'nonce'.
+ */
+ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
+ }
- return $salt;
+ 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 ] );
+ }
+ }
+ }
+
+ $values = array(
+ 'key' => '',
+ 'salt' => ''
+ );
+ if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) {
+ $values['key'] = SECRET_KEY;
+ }
+ if ( 'auth' == $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) {
+ $values['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 ) ] ) ) {
+ $values[ $type ] = constant( $const );
+ } elseif ( ! $values[ $type ] ) {
+ $values[ $type ] = get_site_option( "{$scheme}_{$type}" );
+ if ( ! $values[ $type ] ) {
+ $values[ $type ] = wp_generate_password( 64, true, true );
+ update_site_option( "{$scheme}_{$type}", $values[ $type ] );
+ }
+ }
+ }
+ } else {
+ if ( ! $values['key'] ) {
+ $values['key'] = get_site_option( 'secret_key' );
+ if ( ! $values['key'] ) {
+ $values['key'] = wp_generate_password( 64, true, true );
+ update_site_option( 'secret_key', $values['key'] );
+ }
+ }
+ $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] );
+ }
+
+ $cached_salts[ $scheme ] = $values['key'] . $values['salt'];
+
+ /** This filter is documented in wp-includes/pluggable.php */
+ 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
+ *
+ * @param string $data Plain text to hash
+ * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
+ * @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 2.5.0
+ *
+ * @global PasswordHash $wp_hasher PHPass object
+ *
+ * @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) ) {
+ // By default, use the portable hash from phpass
+ $wp_hasher = new PasswordHash(8, true);
+ }
+
+ return $wp_hasher->HashPassword( trim( $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 2.5.0
+ *
+ * @global PasswordHash $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.
+ * @param string|int $user_id Optional. User ID.
+ * @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_equals( $hash, md5( $password ) );
+ if ( $check && $user_id ) {
+ // Rehash using new hash.
+ wp_set_password($password, $user_id);
+ $hash = wp_hash_password($password);
+ }
+
+ /**
+ * Filters whether the plaintext password matches the encrypted password.
+ *
+ * @since 2.5.0
+ *
+ * @param bool $check Whether the passwords match.
+ * @param string $password The plaintext password.
+ * @param string $hash The hashed password.
+ * @param string|int $user_id User ID. Can be empty.
+ */
+ 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) ) {
+ // By default, use the portable hash from phpass
+ $wp_hasher = new PasswordHash(8, true);
+ }
+
+ $check = $wp_hasher->CheckPassword($password, $hash);
+
+ /** This filter is documented in wp-includes/pluggable.php */
+ 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 2.5.0
+ *
+ * @param int $length Optional. The length of password to generate. Default 12.
+ * @param bool $special_chars Optional. Whether to include standard special characters.
+ * Default true.
+ * @param bool $extra_special_chars Optional. 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);
+ }
+
+ /**
+ * Filters the randomly-generated password.
+ *
+ * @since 3.0.0
+ *
+ * @param string $password The generated password.
+ */
+ return apply_filters( 'random_password', $password );
+}
+endif;
+
+if ( !function_exists('wp_rand') ) :
+/**
+ * Generates a random number
+ *
+ * @since 2.6.2
+ * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available.
+ *
+ * @global string $rnd_value
+ * @staticvar string $seed
+ * @staticvar bool $external_rand_source_available
+ *
+ * @param int $min Lower limit for the generated number
+ * @param int $max Upper limit for the generated number
+ * @return int A random number between min and max
+ */
+function wp_rand( $min = 0, $max = 0 ) {
+ global $rnd_value;
+
+ // Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
+ $max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
+
+ // We only handle Ints, floats are truncated to their integer value.
+ $min = (int) $min;
+ $max = (int) $max;
+
+ // Use PHP's CSPRNG, or a compatible method
+ static $use_random_int_functionality = true;
+ if ( $use_random_int_functionality ) {
+ try {
+ $_max = ( 0 != $max ) ? $max : $max_random_number;
+ // wp_rand() can accept arguments in either order, PHP cannot.
+ $_max = max( $min, $_max );
+ $_min = min( $min, $_max );
+ $val = random_int( $_min, $_max );
+ if ( false !== $val ) {
+ return absint( $val );
+ } else {
+ $use_random_int_functionality = false;
+ }
+ } catch ( Error $e ) {
+ $use_random_int_functionality = false;
+ } catch ( Exception $e ) {
+ $use_random_int_functionality = false;
+ }
+ }
+
+ // 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' ) && ! defined( 'WP_INSTALLING' ) ) {
+ 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);
- if ( function_exists('hash_hmac') ) {
- return hash_hmac('md5', $data, $salt);
+ $value = abs(hexdec($value));
+
+ // Reduce the value to be within the min - max range
+ if ( $max != 0 )
+ $value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
+
+ return abs(intval($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.
+ *
+ * Please note: This function should be used sparingly and is really only meant for single-time
+ * application. Leveraging this improperly in a plugin or theme could result in an endless loop
+ * of password resets if precautions are not taken to ensure it does not execute on every page load.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @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 `<img>` tag for a user, email address, MD5 hash, comment, or post.
+ *
+ * @since 2.5.0
+ * @since 4.2.0 Optional `$args` parameter added.
+ *
+ * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+ * user email, WP_User object, WP_Post object, or WP_Comment object.
+ * @param int $size Optional. Height and width of the avatar image file in pixels. Default 96.
+ * @param string $default Optional. URL for the default image or a default type. Accepts '404'
+ * (return a 404 instead of a default image), 'retro' (8bit), 'monsterid'
+ * (monster), 'wavatar' (cartoon face), 'indenticon' (the "quilt"),
+ * 'mystery', 'mm', or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF),
+ * or 'gravatar_default' (the Gravatar logo). Default is the value of the
+ * 'avatar_default' option, with a fallback of 'mystery'.
+ * @param string $alt Optional. Alternative text to use in <img> tag. Default empty.
+ * @param array $args {
+ * Optional. Extra arguments to retrieve the avatar.
+ *
+ * @type int $height Display height of the avatar in pixels. Defaults to $size.
+ * @type int $width Display width of the avatar in pixels. Defaults to $size.
+ * @type bool $force_default Whether to always show the default image, never the Gravatar. Default false.
+ * @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
+ * judged in that order. Default is the value of the 'avatar_rating' option.
+ * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values.
+ * Default null.
+ * @type array|string $class Array or string of additional classes to add to the <img> element.
+ * Default null.
+ * @type bool $force_display Whether to always show the avatar - ignores the show_avatars option.
+ * Default false.
+ * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. Default empty.
+ * }
+ * @return false|string `<img>` tag for the user's avatar. False on failure.
+ */
+function get_avatar( $id_or_email, $size = 96, $default = '', $alt = '', $args = null ) {
+ $defaults = array(
+ // get_avatar_data() args.
+ 'size' => 96,
+ 'height' => null,
+ 'width' => null,
+ 'default' => get_option( 'avatar_default', 'mystery' ),
+ 'force_default' => false,
+ 'rating' => get_option( 'avatar_rating' ),
+ 'scheme' => null,
+ 'alt' => '',
+ 'class' => null,
+ 'force_display' => false,
+ 'extra_attr' => '',
+ );
+
+ if ( empty( $args ) ) {
+ $args = array();
+ }
+
+ $args['size'] = (int) $size;
+ $args['default'] = $default;
+ $args['alt'] = $alt;
+
+ $args = wp_parse_args( $args, $defaults );
+
+ if ( empty( $args['height'] ) ) {
+ $args['height'] = $args['size'];
+ }
+ if ( empty( $args['width'] ) ) {
+ $args['width'] = $args['size'];
+ }
+
+ if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) {
+ $id_or_email = get_comment( $id_or_email );
+ }
+
+ /**
+ * Filters whether to retrieve the avatar URL early.
+ *
+ * Passing a non-null value will effectively short-circuit get_avatar(), passing
+ * the value through the {@see 'get_avatar'} filter and returning early.
+ *
+ * @since 4.2.0
+ *
+ * @param string $avatar HTML for the user's avatar. Default null.
+ * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+ * user email, WP_User object, WP_Post object, or WP_Comment object.
+ * @param array $args Arguments passed to get_avatar_url(), after processing.
+ */
+ $avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args );
+
+ if ( ! is_null( $avatar ) ) {
+ /** This filter is documented in wp-includes/pluggable.php */
+ return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
+ }
+
+ if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) {
+ return false;
+ }
+
+ $url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) );
+
+ $args = get_avatar_data( $id_or_email, $args );
+
+ $url = $args['url'];
+
+ if ( ! $url || is_wp_error( $url ) ) {
+ return false;
+ }
+
+ $class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' );
+
+ if ( ! $args['found_avatar'] || $args['force_default'] ) {
+ $class[] = 'avatar-default';
+ }
+
+ if ( $args['class'] ) {
+ if ( is_array( $args['class'] ) ) {
+ $class = array_merge( $class, $args['class'] );
+ } else {
+ $class[] = $args['class'];
+ }
+ }
+
+ $avatar = sprintf(
+ "<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>",
+ esc_attr( $args['alt'] ),
+ esc_url( $url ),
+ esc_attr( "$url2x 2x" ),
+ esc_attr( join( ' ', $class ) ),
+ (int) $args['height'],
+ (int) $args['width'],
+ $args['extra_attr']
+ );
+
+ /**
+ * Filters the avatar to retrieve.
+ *
+ * @since 2.5.0
+ * @since 4.2.0 The `$args` parameter was added.
+ *
+ * @param string $avatar <img> tag for the user's avatar.
+ * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
+ * user email, WP_User object, WP_Post object, or WP_Comment object.
+ * @param int $size Square avatar width and height in pixels to retrieve.
+ * @param string $alt Alternative text to use in the avatar image tag.
+ * Default empty.
+ * @param array $args Arguments passed to get_avatar_data(), after processing.
+ */
+ return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
+}
+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 2.6.0
+ *
+ * @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', false ) )
+ 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( $args );
+ $diff = $renderer->render($text_diff);
+
+ if ( !$diff )
+ return '';
+
+ $r = "<table class='diff'>\n";
+
+ if ( ! empty( $args[ 'show_split_view' ] ) ) {
+ $r .= "<col class='content diffsplit left' /><col class='content diffsplit middle' /><col class='content diffsplit right' />";
} else {
- return md5($data . $salt);
+ $r .= "<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;
-?>