WordPress/wp-includes/pluggable-functions.php

317 lines
13 KiB
PHP

<?php
/* These functions can be replaced via plugins. They are loaded after
plugins are loaded. */
if ( !function_exists('get_currentuserinfo') ) :
function get_currentuserinfo() {
global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_pass_md5, $user_identity, $current_user;
if ( !isset($_COOKIE[USER_COOKIE]))
return false;
$user_login = $_COOKIE[USER_COOKIE];
$userdata = get_userdatabylogin($user_login);
$user_level = $userdata->user_level;
$user_ID = $userdata->ID;
$user_email = $userdata->user_email;
$user_url = $userdata->user_url;
$user_pass_md5 = md5($userdata->user_pass);
$user_identity = $userdata->display_name;
if ( empty($current_user) )
$current_user = new WP_User($user_ID);
}
endif;
if ( !function_exists('get_userdata') ) :
function get_userdata( $user_id ) {
global $wpdb, $cache_userdata;
$user_id = (int) $user_id;
if ( $user_id == 0 )
return false;
if ( isset( $cache_userdata[$user_id] ) )
return $cache_userdata[$user_id];
if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id'") )
return $cache_userdata[$user_id] = false;
$metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
foreach ( $metavalues as $meta ) {
@ $value = unserialize($meta->meta_value);
if ($value === FALSE)
$value = $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;
}
$cache_userdata[$user_id] = $user;
$cache_userdata[$cache_userdata[$user_id]->user_login] =& $cache_userdata[$user_id];
return $cache_userdata[$user_id];
}
endif;
if ( !function_exists('update_user_cache') ) :
function update_user_cache() {
global $cache_userdata, $wpdb;
$level_key = $wpdb->prefix . 'user_level';
$user_ids = $wpdb->get_col("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key'");
$user_ids = join(',', $user_ids);
$query = apply_filters('user_cache_query', "SELECT * FROM $wpdb->users WHERE ID IN ($user_ids)");
if ( $users = $wpdb->get_results( $query ) ) :
foreach ($users as $user) :
$metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user->ID'");
foreach ( $metavalues as $meta ) {
@ $value = unserialize($meta->meta_value);
if ($value === FALSE)
$value = $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;
}
$cache_userdata[$user->ID] = $user;
$cache_userdata[$user->user_login] =& $cache_userdata[$user->ID];
endforeach;
return true;
else :
return false;
endif;
}
endif;
if ( !function_exists('get_userdatabylogin') ) :
function get_userdatabylogin($user_login) {
global $cache_userdata, $wpdb;
$user_login = sanitize_user( $user_login );
if ( empty( $user_login ) )
return false;
if ( isset( $cache_userdata[$user_login] ) )
return $cache_userdata[$user_login];
$user_id = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_login = '$user_login'");
return get_userdata( $user_id );
}
endif;
if ( !function_exists('wp_mail') ) :
function wp_mail($to, $subject, $message, $headers = '') {
if( $headers == '' ) {
$headers = "MIME-Version: 1.0\n" .
"From: " . get_settings('admin_email') . "\n" .
"Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n";
}
return @mail($to, $subject, $message, $headers);
}
endif;
if ( !function_exists('wp_login') ) :
function wp_login($username, $password, $already_md5 = false) {
global $wpdb, $error;
if ( !$username )
return false;
if ( !$password ) {
$error = __('<strong>Error</strong>: The password field is empty.');
return false;
}
$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
if (!$login) {
$error = __('<strong>Error</strong>: Wrong username.');
return false;
} else {
// If the password is already_md5, it has been double hashed.
// Otherwise, it is plain text.
if ( ($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.');
$pwd = '';
return false;
}
}
}
endif;
if ( !function_exists('auth_redirect') ) :
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
if ( (!empty($_COOKIE[USER_COOKIE]) &&
!wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) ||
(empty($_COOKIE[USER_COOKIE])) ) {
nocache_headers();
header('Location: ' . get_settings('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
exit();
}
}
endif;
// Cookie safe redirect. Works around IIS Set-Cookie bug.
// http://support.microsoft.com/kb/q176113/
if ( !function_exists('wp_redirect') ) :
function wp_redirect($location) {
global $is_IIS;
if ($is_IIS)
header("Refresh: 0;url=$location");
else
header("Location: $location");
}
endif;
if ( !function_exists('wp_setcookie') ) :
function wp_setcookie($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, $sitecookiepath, COOKIE_DOMAIN);
}
}
endif;
if ( !function_exists('wp_clearcookie') ) :
function wp_clearcookie() {
setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
}
endif;
if ( ! function_exists('wp_notify_postauthor') ) :
function wp_notify_postauthor($comment_id, $comment_type='') {
global $wpdb;
$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");
$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID='$post->post_author' LIMIT 1");
if ('' == $user->user_email) return false; // If there's no email to send the comment to
$comment_author_domain = gethostbyaddr($comment->comment_author_IP);
$blogname = get_settings('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( __('URI : %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( __('URI : %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( __('URI : %s'), $comment->comment_author_url ) . "\r\n";
$notify_message .= __('Excerpt: ') . "\r\n" . sprintf( __('[...] %s [...]'), $comment->comment_content ) . "\r\n\r\n";
$notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n";
$subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
}
$notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
$notify_message .= sprintf( __('To delete this comment, visit: %s'), get_settings('siteurl').'/wp-admin/post.php?action=confirmdeletecomment&p='.$comment->comment_post_ID."&comment=$comment_id" ) . "\r\n";
if ('' == $comment->comment_author_email || '' == $comment->comment_author) {
$from = "From: \"$blogname\" <wordpress@" . $_SERVER['SERVER_NAME'] . '>';
} else {
$from = 'From: "' . $comment->comment_author . "\" <$comment->comment_author_email>";
}
$message_headers = "MIME-Version: 1.0\n"
. "$from\n"
. "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n";
@wp_mail($user->user_email, $subject, $notify_message, $message_headers);
return true;
}
endif;
/* wp_notify_moderator
notifies the moderator of the blog (usually the admin)
about a new comment that waits for approval
always returns true
*/
if ( !function_exists('wp_notify_moderator') ) :
function wp_notify_moderator($comment_id) {
global $wpdb;
if( get_settings( "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");
$comment_author_domain = gethostbyaddr($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( __('URI : %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";
$notify_message .= sprintf( __('To approve this comment, visit: %s'), get_settings('siteurl').'/wp-admin/post.php?action=mailapprovecomment&p='.$comment->comment_post_ID."&comment=$comment_id" ) . "\r\n";
$notify_message .= sprintf( __('To delete this comment, visit: %s'), get_settings('siteurl').'/wp-admin/post.php?action=confirmdeletecomment&p='.$comment->comment_post_ID."&comment=$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_settings('siteurl') . "/wp-admin/moderation.php\r\n";
$subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_settings('blogname'), $post->post_title );
$admin_email = get_settings("admin_email");
@wp_mail($admin_email, $subject, $notify_message);
return true;
}
endif;
?>