<?php
-
- /* These functions can be replaced via plugins. They are loaded after
- plugins are loaded. */
+/**
+ * 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('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.
+ *
+ * @since 2.0.1
+ * @see wp_set_current_user() An alias of wp_set_current_user()
+ *
+ * @param int|null $id User ID.
+ * @param string $name Optional. The user's username
+ * @return object returns wp_set_current_user()
+ */
function set_current_user($id, $name = '') {
return wp_set_current_user($id, $name);
}
endif;
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 2.0.4
+ * @global object $current_user The current user object which holds the user data.
+ * @uses do_action() Calls 'set_current_user' hook after setting the current user.
+ *
+ * @param int $id User ID
+ * @param string $name User's username
+ * @return WP_User Current user User object
+ */
function wp_set_current_user($id, $name = '') {
global $current_user;
endif;
if ( !function_exists('wp_get_current_user') ) :
+/**
+ * Retrieve the current user object.
+ *
+ * @since 2.0.4
+ *
+ * @return WP_User Current user WP_User object
+ */
function wp_get_current_user() {
global $current_user;
endif;
if ( !function_exists('get_currentuserinfo') ) :
+/**
+ * Populate global variables with information about the currently logged in user.
+ *
+ * Will set the current user, if the current user is not set. The current user
+ * will be set to the logged in person. If no user is logged in, then it will
+ * set the current user to 0, which is invalid and won't have any permissions.
+ *
+ * @since 0.71
+ * @uses $current_user Checks if the current user is set
+ * @uses wp_validate_auth_cookie() Retrieves current logged in user.
+ *
+ * @return bool|null False on XMLRPC Request and invalid auth cookie. Null when current user set
+ */
function get_currentuserinfo() {
global $current_user;
if ( ! empty($current_user) )
return;
- 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;
+ if ( ! $user = wp_validate_auth_cookie() ) {
+ if ( empty($_COOKIE[LOGGED_IN_COOKIE]) || !$user = wp_validate_auth_cookie($_COOKIE[LOGGED_IN_COOKIE], 'logged_in') ) {
+ wp_set_current_user(0);
+ return false;
+ }
}
- $user_login = $_COOKIE[USER_COOKIE];
- wp_set_current_user(0, $user_login);
+ wp_set_current_user($user);
}
endif;
if ( !function_exists('get_userdata') ) :
+/**
+ * Retrieve user info by user ID.
+ *
+ * @since 0.71
+ *
+ * @param int $user_id User ID
+ * @return bool|object False on failure, User DB row object
+ */
function get_userdata( $user_id ) {
global $wpdb;
- $user_id = (int) $user_id;
+
+ $user_id = absint($user_id);
if ( $user_id == 0 )
return false;
if ( $user )
return $user;
- if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id' LIMIT 1") )
+ if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE ID = %d LIMIT 1", $user_id)) )
return false;
- $show = $wpdb->hide_errors();
- $metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
- $wpdb->show_errors($show);
-
- if ($metavalues) {
- foreach ( $metavalues as $meta ) {
- $value = maybe_unserialize($meta->meta_value);
- $user->{$meta->meta_key} = $value;
-
- // We need to set user_level from meta, not row
- if ( $wpdb->prefix . 'user_level' == $meta->meta_key )
- $user->user_level = $meta->meta_value;
- } // end foreach
- } //end if
-
- // For backwards compat.
- if ( isset($user->first_name) )
- $user->user_firstname = $user->first_name;
- if ( isset($user->last_name) )
- $user->user_lastname = $user->last_name;
- if ( isset($user->description) )
- $user->user_description = $user->description;
-
- wp_cache_add($user_id, $user, 'users');
- wp_cache_add($user->user_login, $user_id, 'userlogins');
+ _fill_user($user);
+
return $user;
}
endif;
if ( !function_exists('update_user_cache') ) :
+/**
+ * Updates a users cache when overridden by a plugin.
+ *
+ * Core function does nothing.
+ *
+ * @since 1.5
+ *
+ * @return bool Only returns true
+ */
function update_user_cache() {
return true;
}
endif;
if ( !function_exists('get_userdatabylogin') ) :
+/**
+ * Retrieve user info by login name.
+ *
+ * @since 0.71
+ *
+ * @param string $user_login User's username
+ * @return bool|object False on failure, User DB row object
+ */
function get_userdatabylogin($user_login) {
global $wpdb;
$user_login = sanitize_user( $user_login );
return false;
$user_id = wp_cache_get($user_login, 'userlogins');
- $userdata = wp_cache_get($user_id, 'users');
- if ( $userdata )
- return $userdata;
+ $user = false;
+ if ( false !== $user_id )
+ $user = wp_cache_get($user_id, 'users');
- $user_login = $wpdb->escape($user_login);
+ if ( false !== $user )
+ return $user;
- if ( !$user_ID = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_login = '$user_login'") )
+ if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_login = %s", $user_login)) )
return false;
- $user = get_userdata($user_ID);
+ _fill_user($user);
+
+ return $user;
+}
+endif;
+
+if ( !function_exists('get_user_by_email') ) :
+/**
+ * Retrieve user info by email.
+ *
+ * @since 2.5
+ *
+ * @param string $email User's email address
+ * @return bool|object False on failure, User DB row object
+ */
+function get_user_by_email($email) {
+ global $wpdb;
+
+ $user_id = wp_cache_get($email, 'useremail');
+
+ $user = false;
+ if ( false !== $user_id )
+ $user = wp_cache_get($user_id, 'users');
+
+ if ( false !== $user )
+ return $user;
+
+ if ( !$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_email = %s", $email)) )
+ return false;
+
+ _fill_user($user);
+
return $user;
}
endif;
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
+ * 'wp_mail_content_type' filter.
+ *
+ * The default charset is based on the charset used on the blog. The charset can
+ * be set using the 'wp_mail_charset' filter.
+ *
+ * @since 1.2.1
+ * @uses apply_filters() Calls 'wp_mail' hook on an array of all of the parameters.
+ * @uses apply_filters() Calls 'wp_mail_from' hook to get the from email address.
+ * @uses apply_filters() Calls 'wp_mail_from_name' hook to get the from address name.
+ * @uses apply_filters() Calls 'wp_mail_content_type' hook to get the email content type.
+ * @uses apply_filters() Calls 'wp_mail_charset' hook to get the email charset
+ * @uses do_action_ref_array() Calls 'phpmailer_init' hook on the reference to
+ * phpmailer object.
+ * @uses PHPMailer
+ * @
+ *
+ * @param string $to Email address to send message
+ * @param string $subject Email subject
+ * @param string $message Message contents
+ * @param string|array $headers Optional. Additional headers.
+ * @return bool Whether the email contents were sent successfully.
+ */
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' ) ) );
} else {
$content_type = trim( $content );
}
+ } elseif ( 'cc' == strtolower($name) ) {
+ $cc = explode(",", $content);
+ } elseif ( 'bcc' == strtolower($name) ) {
+ $bcc = explode(",", $content);
} else {
// Add it to our grand headers array
$headers[trim( $name )] = trim( $content );
// 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->Subject = $subject;
$phpmailer->Body = $message;
+ // Add any CC and BCC recipients
+ if ( !empty($cc) ) {
+ foreach ($cc as $recipient) {
+ $phpmailer->AddCc( trim($recipient) );
+ }
+ }
+ if ( !empty($bcc) ) {
+ foreach ($bcc as $recipient) {
+ $phpmailer->AddBcc( trim($recipient) );
+ }
+ }
+
// Set to use PHP's mail()
$phpmailer->IsMail();
}
endif;
-if ( !function_exists('wp_login') ) :
-function wp_login($username, $password, $already_md5 = false) {
- global $wpdb, $error;
-
+/**
+ * Checks a user's login information and logs them in if it checks out.
+ *
+ * @since 2.5
+ *
+ * @param string $username User's username
+ * @param string $password User's password
+ * @return WP_Error|WP_User WP_User object if login successful, otherwise WP_Error object.
+ */
+if ( !function_exists('wp_authenticate') ) :
+function wp_authenticate($username, $password) {
$username = sanitize_user($username);
if ( '' == $username )
+ return new WP_Error('empty_username', __('<strong>ERROR</strong>: The username field is empty.'));
+
+ if ( '' == $password )
+ return new WP_Error('empty_password', __('<strong>ERROR</strong>: The password field is empty.'));
+
+ $user = get_userdatabylogin($username);
+
+ if ( !$user || ($user->user_login != $username) ) {
+ do_action( 'wp_login_failed', $username );
+ return new WP_Error('invalid_username', __('<strong>ERROR</strong>: Invalid username.'));
+ }
+
+ $user = apply_filters('wp_authenticate_user', $user, $password);
+ if ( is_wp_error($user) ) {
+ do_action( 'wp_login_failed', $username );
+ return $user;
+ }
+
+ if ( !wp_check_password($password, $user->user_pass, $user->ID) ) {
+ do_action( 'wp_login_failed', $username );
+ return new WP_Error('incorrect_password', __('<strong>ERROR</strong>: Incorrect password.'));
+ }
+
+ return new WP_User($user->ID);
+}
+endif;
+
+/**
+ * Log the current user out.
+ *
+ * @since 2.5
+ */
+if ( !function_exists('wp_logout') ) :
+function wp_logout() {
+ wp_clear_auth_cookie();
+ do_action('wp_logout');
+}
+endif;
+
+if ( !function_exists('wp_validate_auth_cookie') ) :
+/**
+ * Validates authentication cookie.
+ *
+ * The checks include making sure that the authentication cookie is set and
+ * pulling in the contents (if $cookie is not used).
+ *
+ * Makes sure the cookie is not expired. Verifies the hash in cookie is what is
+ * should be and compares the two.
+ *
+ * @since 2.5
+ *
+ * @param string $cookie Optional. If used, will validate contents instead of cookie's
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return bool|int False if invalid cookie, User ID if valid.
+ */
+function wp_validate_auth_cookie($cookie = '', $scheme = 'auth') {
+ if ( empty($cookie) ) {
+ if ( is_ssl() ) {
+ $cookie_name = SECURE_AUTH_COOKIE;
+ $scheme = 'secure_auth';
+ } else {
+ $cookie_name = AUTH_COOKIE;
+ $scheme = 'auth';
+ }
+
+ if ( empty($_COOKIE[$cookie_name]) )
+ return false;
+ $cookie = $_COOKIE[$cookie_name];
+ }
+
+ $cookie_elements = explode('|', $cookie);
+ if ( count($cookie_elements) != 3 )
+ return false;
+
+ list($username, $expiration, $hmac) = $cookie_elements;
+
+ $expired = $expiration;
+
+ // Allow a grace period for POST and AJAX requests
+ if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] )
+ $expired += 3600;
+
+ // Quick check to see if an honest cookie has expired
+ if ( $expired < time() )
+ return false;
+
+ $key = wp_hash($username . '|' . $expiration, $scheme);
+ $hash = hash_hmac('md5', $username . '|' . $expiration, $key);
+
+ if ( $hmac != $hash )
return false;
- if ( '' == $password ) {
- $error = __('<strong>ERROR</strong>: The password field is empty.');
+ $user = get_userdatabylogin($username);
+ if ( ! $user )
return false;
+
+ return $user->ID;
+}
+endif;
+
+if ( !function_exists('wp_generate_auth_cookie') ) :
+/**
+ * Generate authentication cookie contents.
+ *
+ * @since 2.5
+ * @uses apply_filters() Calls 'auth_cookie' hook on $cookie contents, User ID
+ * and expiration of cookie.
+ *
+ * @param int $user_id User ID
+ * @param int $expiration Cookie expiration in seconds
+ * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
+ * @return string Authentication cookie contents
+ */
+function wp_generate_auth_cookie($user_id, $expiration, $scheme = 'auth') {
+ $user = get_userdata($user_id);
+
+ $key = wp_hash($user->user_login . '|' . $expiration, $scheme);
+ $hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key);
+
+ $cookie = $user->user_login . '|' . $expiration . '|' . $hash;
+
+ return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $scheme);
+}
+endif;
+
+if ( !function_exists('wp_set_auth_cookie') ) :
+/**
+ * Sets the authentication cookies based User ID.
+ *
+ * The $remember parameter increases the time that the cookie will be kept. The
+ * default the cookie is kept without remembering is two days. When $remember is
+ * set, the cookies will be kept for 14 days or two weeks.
+ *
+ * @since 2.5
+ *
+ * @param int $user_id User ID
+ * @param bool $remember Whether to remember the user or not
+ */
+function wp_set_auth_cookie($user_id, $remember = false, $secure = '') {
+ if ( $remember ) {
+ $expiration = $expire = time() + 1209600;
+ } else {
+ $expiration = time() + 172800;
+ $expire = 0;
}
- $login = get_userdatabylogin($username);
- //$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
+ if ( '' === $secure )
+ $secure = is_ssl() ? true : false;
- if (!$login) {
- $error = __('<strong>ERROR</strong>: Invalid username.');
- return false;
+ if ( $secure ) {
+ $auth_cookie_name = SECURE_AUTH_COOKIE;
+ $scheme = 'secure_auth';
} else {
- // If the password is already_md5, it has been double hashed.
- // Otherwise, it is plain text.
- if ( ($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 = '';
- return false;
- }
+ $auth_cookie_name = AUTH_COOKIE;
+ $scheme = 'auth';
}
+
+ $auth_cookie = wp_generate_auth_cookie($user_id, $expiration, $scheme);
+ $logged_in_cookie = wp_generate_auth_cookie($user_id, $expiration, 'logged_in');
+
+ do_action('set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme);
+ do_action('set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in');
+
+ setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure);
+ setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure);
+ setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN);
+ if ( COOKIEPATH != SITECOOKIEPATH )
+ setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN);
+}
+endif;
+
+if ( !function_exists('wp_clear_auth_cookie') ) :
+/**
+ * Removes all of the cookies associated with authentication.
+ *
+ * @since 2.5
+ */
+function wp_clear_auth_cookie() {
+ setcookie(AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, ADMIN_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN);
+ setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
+ setcookie(LOGGED_IN_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
+
+ // Old cookies
+ setcookie(AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
+ setcookie(AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
+ setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
+ setcookie(SECURE_AUTH_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
+
+ // Even older cookies
+ setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
+ setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
+ setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
+ setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
}
endif;
if ( !function_exists('is_user_logged_in') ) :
+/**
+ * Checks if the current visitor is a logged in user.
+ *
+ * @since 2.0.0
+ *
+ * @return bool True if user is logged in, false if not logged in.
+ */
function is_user_logged_in() {
$user = wp_get_current_user();
endif;
if ( !function_exists('auth_redirect') ) :
+/**
+ * Checks if a user is logged in, if not it redirects them to the login page.
+ *
+ * @since 1.5
+ */
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
- if ( (!empty($_COOKIE[USER_COOKIE]) &&
- !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) ||
- (empty($_COOKIE[USER_COOKIE])) ) {
- nocache_headers();
- wp_redirect(get_option('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
- exit();
+ if ( is_ssl() || force_ssl_admin() )
+ $secure = true;
+ else
+ $secure = false;
+
+ // If https is required and request is http, redirect
+ if ( $secure && !is_ssl() ) {
+ if ( 0 === strpos($_SERVER['REQUEST_URI'], 'http') ) {
+ wp_redirect(preg_replace('|^http://|', 'https://', $_SERVER['REQUEST_URI']));
+ exit();
+ } else {
+ wp_redirect('https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
+ exit();
+ }
}
+
+ if ( wp_validate_auth_cookie() )
+ return; // The cookie is good so we're done
+
+ // The cookie is no good so force login
+ nocache_headers();
+
+ if ( is_ssl() )
+ $proto = 'https://';
+ else
+ $proto = 'http://';
+
+ $login_url = site_url( 'wp-login.php?redirect_to=' . urlencode($proto . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']), 'login' );
+
+ wp_redirect($login_url);
+ exit();
}
endif;
if ( !function_exists('check_admin_referer') ) :
-function check_admin_referer($action = -1) {
- $adminurl = strtolower(get_option('siteurl')).'/wp-admin';
+/**
+ * Makes sure that a user was referred from another admin page.
+ *
+ * To avoid security exploits.
+ *
+ * @since 1.2.0
+ * @uses do_action() Calls 'check_admin_referer' on $action.
+ *
+ * @param string $action Action nonce
+ * @param string $query_arg where to look for nonce in $_REQUEST (since 2.5)
+ */
+function check_admin_referer($action = -1, $query_arg = '_wpnonce') {
+ $adminurl = strtolower(admin_url());
$referer = strtolower(wp_get_referer());
- if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) &&
- !(-1 == $action && strpos($referer, $adminurl) !== false)) {
+ $result = wp_verify_nonce($_REQUEST[$query_arg], $action);
+ if ( !$result && !(-1 == $action && strpos($referer, $adminurl) !== false) ) {
wp_nonce_ays($action);
die();
}
- do_action('check_admin_referer', $action);
+ do_action('check_admin_referer', $action, $result);
+ return $result;
}endif;
if ( !function_exists('check_ajax_referer') ) :
-function check_ajax_referer() {
- $current_name = '';
- if ( ( $current = wp_get_current_user() ) && $current->ID )
- $current_name = $current->data->user_login;
- if ( !$current_name )
- die('-1');
+/**
+ * Verifies the AJAX request to prevent processing requests external of the blog.
+ *
+ * @since 2.0.4
+ *
+ * @param string $action Action nonce
+ * @param string $query_arg where to look for nonce in $_REQUEST (since 2.5)
+ */
+function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
+ if ( $query_arg )
+ $nonce = $_REQUEST[$query_arg];
+ else
+ $nonce = $_REQUEST['_ajax_nonce'] ? $_REQUEST['_ajax_nonce'] : $_REQUEST['_wpnonce'];
- $cookie = explode('; ', urldecode(empty($_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);
- }
+ $result = wp_verify_nonce( $nonce, $action );
- if ( $current_name != $user || !wp_login( $user, $pass, true ) )
+ if ( $die && false == $result )
die('-1');
- do_action('check_ajax_referer');
+
+ do_action('check_ajax_referer', $action, $result);
+
+ return $result;
}
endif;
-// Cookie safe redirect. Works around IIS Set-Cookie bug.
-// http://support.microsoft.com/kb/q176113/
if ( !function_exists('wp_redirect') ) :
+/**
+ * Redirects to another page, with a workaround for the IIS Set-Cookie bug.
+ *
+ * @link http://support.microsoft.com/kb/q176113/
+ * @since 1.5.1
+ * @uses apply_filters() Calls 'wp_redirect' hook on $location and $status.
+ *
+ * @param string $location The path to redirect to
+ * @param int $status Status code to use
+ * @return bool False if $location is not set
+ */
function wp_redirect($location, $status = 302) {
global $is_IIS;
$location = apply_filters('wp_redirect', $location, $status);
-
+ $status = apply_filters('wp_redirect_status', $status, $location);
+
if ( !$location ) // allows the wp_redirect filter to cancel a redirect
return false;
if ( !function_exists('wp_sanitize_redirect') ) :
/**
- * sanitizes a URL for use in a redirect
+ * Sanitizes a URL for use in a redirect.
+ *
+ * @since 2.3
+ *
* @return string redirect-sanitized URL
**/
function wp_sanitize_redirect($location) {
if ( !function_exists('wp_safe_redirect') ) :
/**
- * performs a safe (local) redirect, using wp_redirect()
- * @return void
+ * Performs a safe (local) redirect, using wp_redirect().
+ *
+ * Checks whether the $location is using an allowed host, if it has an absolute
+ * path. A plugin can therefore set or remove allowed host(s) to or from the
+ * list.
+ *
+ * If the host is not allowed, then the redirect is to wp-admin on the siteurl
+ * instead. This prevents malicious redirects which redirect to another host,
+ * but only used in a few places.
+ *
+ * @since 2.3
+ * @uses apply_filters() Calls 'allowed_redirect_hosts' on an array containing
+ * WordPress host string and $location host string.
+ *
+ * @return void Does not return anything
**/
function wp_safe_redirect($location, $status = 302) {
if ( substr($location, 0, 2) == '//' )
$location = 'http:' . $location;
- $lp = parse_url($location);
+ // 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;
+
+ $lp = parse_url($test);
$wpp = parse_url(get_option('home'));
- $allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), $lp['host']);
+ $allowed_hosts = (array) apply_filters('allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '');
if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
- $location = get_option('siteurl') . '/wp-admin/';
+ $location = admin_url();
wp_redirect($location, $status);
}
endif;
-if ( !function_exists('wp_get_cookie_login') ):
-function wp_get_cookie_login() {
- if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) )
- return false;
-
- return array('login' => $_COOKIE[USER_COOKIE], 'password' => $_COOKIE[PASS_COOKIE]);
-}
-
-endif;
-
-if ( !function_exists('wp_setcookie') ) :
-function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
- if ( !$already_md5 )
- $password = md5( md5($password) ); // Double hash the password in the cookie.
-
- if ( empty($home) )
- $cookiepath = COOKIEPATH;
- else
- $cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/' );
-
- if ( empty($siteurl) ) {
- $sitecookiepath = SITECOOKIEPATH;
- $cookiehash = COOKIEHASH;
- } else {
- $sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/' );
- $cookiehash = md5($siteurl);
- }
-
- if ( $remember )
- $expire = time() + 31536000;
- else
- $expire = 0;
-
- setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN);
- setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN);
-
- if ( $cookiepath != $sitecookiepath ) {
- setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN);
- setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN);
- }
-}
-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;
-
if ( ! function_exists('wp_notify_postauthor') ) :
+/**
+ * Notify an author of a comment/trackback/pingback to one of their posts.
+ *
+ * @since 1.0.0
+ *
+ * @param int $comment_id Comment ID
+ * @param string $comment_type Optional. The comment type either 'comment' (default), 'trackback', or 'pingback'
+ * @return bool False if user email does not exist. True on completion.
+ */
function wp_notify_postauthor($comment_id, $comment_type='') {
- global $wpdb;
-
$comment = get_comment($comment_id);
$post = get_post($comment->comment_post_ID);
$user = get_userdata( $post->post_author );
$subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
}
$notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
- $notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
- $notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
+ $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=cdc&c=$comment_id") ) . "\r\n";
+ $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=cdc&dt=spam&c=$comment_id") ) . "\r\n";
$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
}
endif;
-/* wp_notify_moderator
- notifies the moderator of the blog (usually the admin)
- about a new comment that waits for approval
- always returns true
- */
if ( !function_exists('wp_notify_moderator') ) :
+/**
+ * Notifies the moderator of the blog about a new comment that is awaiting approval.
+ *
+ * @since 1.0
+ * @uses $wpdb
+ *
+ * @param int $comment_id Comment ID
+ * @return bool Always returns true
+ */
function wp_notify_moderator($comment_id) {
global $wpdb;
if( get_option( "moderation_notify" ) == 0 )
return true;
- $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
- $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
+ $comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID=%d LIMIT 1", $comment_id));
+ $post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID=%d LIMIT 1", $comment->comment_post_ID));
$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
- $notify_message = sprintf( __('A new comment on the post #%1$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";
- $notify_message .= get_option('siteurl') . "/wp-admin/moderation.php\r\n";
+ switch ($comment->comment_type)
+ {
+ case 'trackback':
+ $notify_message = sprintf( __('A new trackback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
+ $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+ $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+ $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
+ $notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
+ break;
+ case 'pingback':
+ $notify_message = sprintf( __('A new pingback on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
+ $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+ $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+ $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
+ $notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
+ break;
+ default: //Comments
+ $notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
+ $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
+ $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
+ $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
+ $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
+ $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
+ $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
+ break;
+ }
+
+ $notify_message .= sprintf( __('Approve it: %s'), admin_url("comment.php?action=mac&c=$comment_id") ) . "\r\n";
+ $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=cdc&c=$comment_id") ) . "\r\n";
+ $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=cdc&dt=spam&c=$comment_id") ) . "\r\n";
+
+ $notify_message .= sprintf( __ngettext('Currently %s comment is waiting for approval. Please visit the moderation panel:',
+ 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n";
+ $notify_message .= admin_url("edit-comments.php?comment_status=moderated") . "\r\n";
$subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
$admin_email = get_option('admin_email');
endif;
if ( !function_exists('wp_new_user_notification') ) :
+/**
+ * Notify the blog admin of a new user, normally via email.
+ *
+ * @since 2.0
+ *
+ * @param int $user_id User ID
+ * @param string $plaintext_pass Optional. The user's plaintext password
+ */
function wp_new_user_notification($user_id, $plaintext_pass = '') {
$user = new WP_User($user_id);
$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";
+ $message .= site_url("wp-login.php", 'login') . "\r\n";
wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
}
endif;
+if ( !function_exists('wp_nonce_tick') ) :
+/**
+ * Get the time-dependent variable for nonce creation.
+ *
+ * A nonce has a lifespan of two ticks. Nonces in their second tick may be
+ * updated, e.g. by autosave.
+ *
+ * @since 2.5
+ *
+ * @return int
+ */
+function wp_nonce_tick() {
+ $nonce_life = apply_filters('nonce_life', 86400);
+
+ return ceil(time() / ( $nonce_life / 2 ));
+}
+endif;
+
if ( !function_exists('wp_verify_nonce') ) :
+/**
+ * Verify that correct nonce was used with time limit.
+ *
+ * The user is given an amount of time to use the token, so therefore, since the
+ * UID and $action remain the same, the independent variable is the time.
+ *
+ * @since 2.0.4
+ *
+ * @param string $nonce Nonce that was used in the form to verify
+ * @param string|int $action Should give context to what is taking place and be the same when nonce was created.
+ * @return bool Whether the nonce check passed or failed.
+ */
function wp_verify_nonce($nonce, $action = -1) {
$user = wp_get_current_user();
$uid = (int) $user->id;
- $i = ceil(time() / 43200);
+ $i = wp_nonce_tick();
- //Allow for expanding range, but only do one check if we can
- if( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce || substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
- return true;
+ // Nonce generated 0-12 hours ago
+ if ( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce )
+ return 1;
+ // Nonce generated 12-24 hours ago
+ if ( substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
+ return 2;
+ // Invalid nonce
return false;
}
endif;
if ( !function_exists('wp_create_nonce') ) :
+/**
+ * Creates a random, one time use token.
+ *
+ * @since 2.0.4
+ *
+ * @param string|int $action Scalar value to add context to the nonce.
+ * @return string The one use form token
+ */
function wp_create_nonce($action = -1) {
$user = wp_get_current_user();
$uid = (int) $user->id;
- $i = ceil(time() / 43200);
+ $i = wp_nonce_tick();
return substr(wp_hash($i . $action . $uid), -12, 10);
}
endif;
if ( !function_exists('wp_salt') ) :
-function wp_salt() {
- $salt = get_option('secret');
- if ( empty($salt) )
- $salt = DB_PASSWORD . DB_USER . DB_NAME . DB_HOST . ABSPATH;
+/**
+ * Get salt to add to hashes to help prevent attacks.
+ *
+ * The secret key is located in two places: the database in case the secret key
+ * isn't defined in the second place, which is in the wp-config.php file. If you
+ * are going to set the secret key, then you must do so in the wp-config.php
+ * file.
+ *
+ * The secret key in the database is randomly generated and will be appended to
+ * the secret key that is in wp-config.php file in some instances. It is
+ * important to have the secret key defined or changed in wp-config.php.
+ *
+ * If you have installed WordPress 2.5 or later, then you will have the
+ * SECRET_KEY defined in the wp-config.php already. You will want to change the
+ * value in it because hackers will know what it is. If you have upgraded to
+ * WordPress 2.5 or later version from a version before WordPress 2.5, then you
+ * should add the constant to your wp-config.php file.
+ *
+ * Below is an example of how the SECRET_KEY constant is defined with a value.
+ * You must not copy the below example and paste into your wp-config.php. If you
+ * need an example, then you can have a
+ * {@link http://api.wordpress.org/secret-key/1.0/ secret key created} for you.
+ *
+ * <code>
+ * define('SECRET_KEY', 'mAry1HadA15|\/|b17w55w1t3asSn09w');
+ * </code>
+ *
+ * Salting passwords helps against tools which has stored hashed values of
+ * common dictionary strings. The added values makes it harder to crack if given
+ * salt string is not weak.
+ *
+ * @since 2.5
+ * @link http://api.wordpress.org/secret-key/1.0/ Create a Secret Key for wp-config.php
+ *
+ * @return string Salt value from either 'SECRET_KEY' or 'secret' option
+ */
+function wp_salt($scheme = 'auth') {
+ global $wp_default_secret_key;
+ $secret_key = '';
+ if ( defined('SECRET_KEY') && ('' != SECRET_KEY) && ( $wp_default_secret_key != SECRET_KEY) )
+ $secret_key = SECRET_KEY;
+
+ if ( 'auth' == $scheme ) {
+ if ( defined('AUTH_KEY') && ('' != AUTH_KEY) && ( $wp_default_secret_key != AUTH_KEY) )
+ $secret_key = AUTH_KEY;
+
+ if ( defined('AUTH_SALT') ) {
+ $salt = AUTH_SALT;
+ } elseif ( defined('SECRET_SALT') ) {
+ $salt = SECRET_SALT;
+ } else {
+ $salt = get_option('auth_salt');
+ if ( empty($salt) ) {
+ $salt = wp_generate_password();
+ update_option('auth_salt', $salt);
+ }
+ }
+ } elseif ( 'secure_auth' == $scheme ) {
+ if ( defined('SECURE_AUTH_KEY') && ('' != SECURE_AUTH_KEY) && ( $wp_default_secret_key != SECURE_AUTH_KEY) )
+ $secret_key = SECURE_AUTH_KEY;
- return $salt;
+ if ( defined('SECURE_AUTH_SALT') ) {
+ $salt = SECRET_AUTH_SALT;
+ } else {
+ $salt = get_option('secure_auth_salt');
+ if ( empty($salt) ) {
+ $salt = wp_generate_password();
+ update_option('secure_auth_salt', $salt);
+ }
+ }
+ } elseif ( 'logged_in' == $scheme ) {
+ if ( defined('LOGGED_IN_KEY') && ('' != LOGGED_IN_KEY) && ( $wp_default_secret_key != LOGGED_IN_KEY) )
+ $secret_key = LOGGED_IN_KEY;
+
+ if ( defined('LOGGED_IN_SALT') ) {
+ $salt = LOGGED_IN_SALT;
+ } else {
+ $salt = get_option('logged_in_salt');
+ if ( empty($salt) ) {
+ $salt = wp_generate_password();
+ update_option('logged_in_salt', $salt);
+ }
+ }
+ }
+
+ return apply_filters('salt', $secret_key . $salt, $scheme);
}
endif;
if ( !function_exists('wp_hash') ) :
-function wp_hash($data) {
- $salt = wp_salt();
+/**
+ * Get hash of given string.
+ *
+ * @since 2.0.4
+ * @uses wp_salt() Get WordPress salt
+ *
+ * @param string $data Plain text to hash
+ * @return string Hash of $data
+ */
+function wp_hash($data, $scheme = 'auth') {
+ $salt = wp_salt($scheme);
+
+ return hash_hmac('md5', $data, $salt);
+}
+endif;
+
+if ( !function_exists('wp_hash_password') ) :
+/**
+ * Create a hash (encrypt) of a plain text password.
+ *
+ * For integration with other applications, this function can be overwritten to
+ * instead use the other package password checking algorithm.
+ *
+ * @since 2.5
+ * @global object $wp_hasher PHPass object
+ * @uses PasswordHash::HashPassword
+ *
+ * @param string $password Plain text user password to hash
+ * @return string The hash string of the password
+ */
+function wp_hash_password($password) {
+ global $wp_hasher;
+
+ if ( empty($wp_hasher) ) {
+ require_once( ABSPATH . 'wp-includes/class-phpass.php');
+ // By default, use the portable hash from phpass
+ $wp_hasher = new PasswordHash(8, TRUE);
+ }
+
+ return $wp_hasher->HashPassword($password);
+}
+endif;
+
+if ( !function_exists('wp_check_password') ) :
+/**
+ * Checks the plaintext password against the encrypted Password.
+ *
+ * Maintains compatibility between old version and the new cookie authentication
+ * protocol using PHPass library. The $hash parameter is the encrypted password
+ * and the function compares the plain text password when encypted similarly
+ * against the already encrypted password to see if they match.
+ *
+ * For integration with other applications, this function can be overwritten to
+ * instead use the other package password checking algorithm.
+ *
+ * @since 2.5
+ * @global object $wp_hasher PHPass object used for checking the password
+ * against the $hash + $password
+ * @uses PasswordHash::CheckPassword
+ *
+ * @param string $password Plaintext user's password
+ * @param string $hash Hash of the user's password to check against.
+ * @return bool False, if the $password does not match the hashed password
+ */
+function wp_check_password($password, $hash, $user_id = '') {
+ global $wp_hasher;
+
+ // If the hash is still md5...
+ if ( strlen($hash) <= 32 ) {
+ $check = ( $hash == md5($password) );
+ if ( $check && $user_id ) {
+ // Rehash using new hash.
+ wp_set_password($password, $user_id);
+ $hash = wp_hash_password($password);
+ }
+
+ return apply_filters('check_password', $check, $password, $hash, $user_id);
+ }
+
+ // If the stored hash is longer than an MD5, presume the
+ // new style phpass portable hash.
+ if ( empty($wp_hasher) ) {
+ require_once( ABSPATH . 'wp-includes/class-phpass.php');
+ // By default, use the portable hash from phpass
+ $wp_hasher = new PasswordHash(8, TRUE);
+ }
+
+ $check = $wp_hasher->CheckPassword($password, $hash);
+
+ return apply_filters('check_password', $check, $password, $hash, $user_id);
+}
+endif;
+
+if ( !function_exists('wp_generate_password') ) :
+/**
+ * Generates a random password drawn from the defined set of characters.
+ *
+ * @since 2.5
+ *
+ * @return string The random password
+ **/
+function wp_generate_password($length = 12, $special_chars = true) {
+ $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+ if ( $special_chars )
+ $chars .= '!@#$%^&*()';
+
+ $password = '';
+ for ( $i = 0; $i < $length; $i++ )
+ $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1);
+ return $password;
+}
+endif;
+
+if ( !function_exists('wp_rand') ) :
+ /**
+ * Generates a random number
+ *
+ * @since 2.6.2
+ *
+ * @param int $min Lower limit for the generated number (optional, default is 0)
+ * @param int $max Upper limit for the generated number (optional, default is 4294967295)
+ * @return int A random number between min and max
+ */
+function wp_rand( $min = 0, $max = 0 ) {
+ global $rnd_value;
+
+ $seed = get_option('random_seed');
+
+ // Reset $rnd_value after 14 uses
+ // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
+ if ( strlen($rnd_value) < 8 ) {
+ $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);
+ update_option('random_seed', $seed);
+ }
+
+ // Take the first 8 digits for our value
+ $value = substr($rnd_value, 0, 8);
+
+ // Strip the first eight, leaving the remainder for the next call to wp_rand().
+ $rnd_value = substr($rnd_value, 8);
+
+ $value = abs(hexdec($value));
+
+ // Reduce the value to be within the min - max range
+ // 4294967295 = 0xffffffff = max random number
+ if ( $max != 0 )
+ $value = $min + (($max - $min + 1) * ($value / (4294967295 + 1)));
+
+ return abs(intval($value));
+}
+endif;
- if ( function_exists('hash_hmac') ) {
- return hash_hmac('md5', $data, $salt);
+if ( !function_exists('wp_set_password') ) :
+/**
+ * Updates the user's password with a new encrypted one.
+ *
+ * For integration with other applications, this function can be overwritten to
+ * instead use the other package password checking algorithm.
+ *
+ * @since 2.5
+ * @uses $wpdb WordPress database object for queries
+ * @uses wp_hash_password() Used to encrypt the user's password before passing to the database
+ *
+ * @param string $password The plaintext new user password
+ * @param int $user_id User ID
+ */
+function wp_set_password( $password, $user_id ) {
+ global $wpdb;
+
+ $hash = wp_hash_password($password);
+ $query = $wpdb->prepare("UPDATE $wpdb->users SET user_pass = %s, user_activation_key = '' WHERE ID = %d", $hash, $user_id);
+ $wpdb->query($query);
+ wp_cache_delete($user_id, 'users');
+}
+endif;
+
+if ( !function_exists( 'get_avatar' ) ) :
+/**
+ * Retrieve the avatar for a user who provided a user ID or email address.
+ *
+ * @since 2.5
+ * @param int|string|object $id_or_email A user ID, email address, or comment object
+ * @param int $size Size of the avatar image
+ * @param string $default URL to a default image to use if no avatar is available
+ * @return string <img> tag for the user's avatar
+*/
+function get_avatar( $id_or_email, $size = '96', $default = '' ) {
+ if ( ! get_option('show_avatars') )
+ return false;
+
+ if ( !is_numeric($size) )
+ $size = '96';
+
+ $email = '';
+ if ( is_numeric($id_or_email) ) {
+ $id = (int) $id_or_email;
+ $user = get_userdata($id);
+ if ( $user )
+ $email = $user->user_email;
+ } elseif ( is_object($id_or_email) ) {
+ if ( !empty($id_or_email->user_id) ) {
+ $id = (int) $id_or_email->user_id;
+ $user = get_userdata($id);
+ if ( $user)
+ $email = $user->user_email;
+ } elseif ( !empty($id_or_email->comment_author_email) ) {
+ $email = $id_or_email->comment_author_email;
+ }
} else {
- return md5($data . $salt);
+ $email = $id_or_email;
+ }
+
+ if ( empty($default) ) {
+ $avatar_default = get_option('avatar_default');
+ if ( empty($avatar_default) )
+ $default = 'mystery';
+ else
+ $default = $avatar_default;
}
+
+ if ( 'custom' == $default )
+ $default = add_query_arg( 's', $size, $defaults[$avatar_default][1] );
+ elseif ( 'mystery' == $default )
+ $default = "http://www.gravatar.com/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
+ elseif ( 'blank' == $default )
+ $default = includes_url('images/blank.gif');
+ elseif ( !empty($email) && 'gravatar_default' == $default )
+ $default = '';
+ elseif ( 'gravatar_default' == $default )
+ $default = "http://www.gravatar.com/avatar/s={$size}";
+ elseif ( empty($email) )
+ $default = "http://www.gravatar.com/avatar/?d=$default&s={$size}";
+
+ if ( !empty($email) ) {
+ $out = 'http://www.gravatar.com/avatar/';
+ $out .= md5( strtolower( $email ) );
+ $out .= '?s='.$size;
+ $out .= '&d=' . urlencode( $default );
+
+ $rating = get_option('avatar_rating');
+ if ( !empty( $rating ) )
+ $out .= "&r={$rating}";
+
+ $avatar = "<img alt='' src='{$out}' class='avatar avatar-{$size}' height='{$size}' width='{$size}' />";
+ } else {
+ $avatar = "<img alt='' src='{$default}' class='avatar avatar-{$size} avatar-default' height='{$size}' width='{$size}' />";
+ }
+
+ return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default);
+}
+endif;
+
+if ( !function_exists('wp_setcookie') ) :
+/**
+ * Sets a cookie for a user who just logged in.
+ *
+ * @since 1.5
+ * @deprecated Use wp_set_auth_cookie()
+ * @see wp_set_auth_cookie()
+ *
+ * @param string $username The user's username
+ * @param string $password Optional. The user's password
+ * @param bool $already_md5 Optional. Whether the password has already been through MD5
+ * @param string $home Optional. Will be used instead of COOKIEPATH if set
+ * @param string $siteurl Optional. Will be used instead of SITECOOKIEPATH if set
+ * @param bool $remember Optional. Remember that the user is logged in
+ */
+function wp_setcookie($username, $password = '', $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
+ _deprecated_function( __FUNCTION__, '2.5', 'wp_set_auth_cookie()' );
+ $user = get_userdatabylogin($username);
+ wp_set_auth_cookie($user->ID, $remember);
+}
+endif;
+
+if ( !function_exists('wp_clearcookie') ) :
+/**
+ * Clears the authentication cookie, logging the user out.
+ *
+ * @since 1.5
+ * @deprecated Use wp_clear_auth_cookie()
+ * @see wp_clear_auth_cookie()
+ */
+function wp_clearcookie() {
+ _deprecated_function( __FUNCTION__, '2.5', 'wp_clear_auth_cookie()' );
+ wp_clear_auth_cookie();
+}
+endif;
+
+if ( !function_exists('wp_get_cookie_login') ):
+/**
+ * Gets the user cookie login.
+ *
+ * This function is deprecated and should no longer be extended as it won't be
+ * used anywhere in WordPress. Also, plugins shouldn't use it either.
+ *
+ * @since 2.0.4
+ * @deprecated No alternative
+ *
+ * @return bool Always returns false
+ */
+function wp_get_cookie_login() {
+ _deprecated_function( __FUNCTION__, '2.5', '' );
+ return false;
+}
+endif;
+
+if ( !function_exists('wp_login') ) :
+/**
+ * Checks a users login information and logs them in if it checks out.
+ *
+ * Use the global $error to get the reason why the login failed. If the username
+ * is blank, no error will be set, so assume blank username on that case.
+ *
+ * Plugins extending this function should also provide the global $error and set
+ * what the error is, so that those checking the global for why there was a
+ * failure can utilize it later.
+ *
+ * @since 1.2.2
+ * @deprecated Use wp_signon()
+ * @global string $error Error when false is returned
+ *
+ * @param string $username User's username
+ * @param string $password User's password
+ * @param bool $deprecated Not used
+ * @return bool False on login failure, true on successful check
+ */
+function wp_login($username, $password, $deprecated = '') {
+ global $error;
+
+ $user = wp_authenticate($username, $password);
+
+ if ( ! is_wp_error($user) )
+ return true;
+
+ $error = $user->get_error_message();
+ return false;
+}
+endif;
+
+if ( !function_exists( 'wp_text_diff' ) ) :
+/**
+ * Displays a human readable HTML representation of the difference between two strings.
+ *
+ * The Diff is available for getting the changes between versions. The output is
+ * HTML, so the primary use is for displaying the changes. If the two strings
+ * are equivalent, then an empty string will be returned.
+ *
+ * The arguments supported and can be changed are listed below.
+ *
+ * 'title' : Default is an empty string. Titles the diff in a manner compatible
+ * with the output.
+ * 'title_left' : Default is an empty string. Change the HTML to the left of the
+ * title.
+ * 'title_right' : Default is an empty string. Change the HTML to the right of
+ * the title.
+ *
+ * @since 2.6
+ * @see wp_parse_args() Used to change defaults to user defined settings.
+ * @uses Text_Diff
+ * @uses WP_Text_Diff_Renderer_Table
+ *
+ * @param string $left_string "old" (left) version of string
+ * @param string $right_string "new" (right) version of string
+ * @param string|array $args Optional. Change 'title', 'title_left', and 'title_right' defaults.
+ * @return string Empty string if strings are equivalent or HTML with differences.
+ */
+function wp_text_diff( $left_string, $right_string, $args = null ) {
+ $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' );
+ $args = wp_parse_args( $args, $defaults );
+
+ if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) )
+ require( ABSPATH . WPINC . '/wp-diff.php' );
+
+ // Normalize whitespace
+ $left_string = trim($left_string);
+ $right_string = trim($right_string);
+ $left_string = str_replace("\r", "\n", $left_string);
+ $right_string = str_replace("\r", "\n", $right_string);
+ $left_string = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $left_string );
+ $right_string = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $right_string );
+
+ $left_lines = split("\n", $left_string);
+ $right_lines = split("\n", $right_string);
+
+ $text_diff = new Text_Diff($left_lines, $right_lines);
+ $renderer = new WP_Text_Diff_Renderer_Table();
+ $diff = $renderer->render($text_diff);
+
+ if ( !$diff )
+ return '';
+
+ $r = "<table class='diff'>\n";
+ $r .= "<col class='ltype' /><col class='content' /><col class='ltype' /><col class='content' />";
+
+ if ( $args['title'] || $args['title_left'] || $args['title_right'] )
+ $r .= "<thead>";
+ if ( $args['title'] )
+ $r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n";
+ if ( $args['title_left'] || $args['title_right'] ) {
+ $r .= "<tr class='diff-sub-title'>\n";
+ $r .= "\t<td></td><th>$args[title_left]</th>\n";
+ $r .= "\t<td></td><th>$args[title_right]</th>\n";
+ $r .= "</tr>\n";
+ }
+ if ( $args['title'] || $args['title_left'] || $args['title_right'] )
+ $r .= "</thead>\n";
+
+ $r .= "<tbody>\n$diff\n</tbody>\n";
+ $r .= "</table>";
+
+ return $r;
}
endif;
-?>
+?>
\ No newline at end of file
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff