( 1024 * get_site_option( 'fileupload_maxk', 1500 ) ) )
$file['error'] = sprintf(__('This file is too big. Files must be less than %1$s KB in size.'), get_site_option( 'fileupload_maxk', 1500 ) );
if ( upload_is_user_over_quota( false ) ) {
$file['error'] = __( 'You have used your space quota. Please delete files before uploading.' );
}
if ( $file['error'] != '0' && !isset($_POST['html-upload']) )
wp_die( $file['error'] . ' ' . __( 'Back' ) . '' );
return $file;
}
add_filter( 'wp_handle_upload_prefilter', 'check_upload_size' );
/**
* Delete a blog
*
* @since 3.0.0
*
* @param int $blog_id Blog ID
* @param bool $drop True if blog's table should be dropped. Default is false.
* @return void
*/
function wpmu_delete_blog( $blog_id, $drop = false ) {
global $wpdb, $current_site;
$switch = false;
if ( get_current_blog_id() != $blog_id ) {
$switch = true;
switch_to_blog( $blog_id );
}
$blog = get_blog_details( $blog_id );
do_action( 'delete_blog', $blog_id, $drop );
$users = get_users( array( 'blog_id' => $blog_id, 'fields' => 'ids' ) );
// Remove users from this blog.
if ( ! empty( $users ) ) {
foreach ( $users as $user_id ) {
remove_user_from_blog( $user_id, $blog_id );
}
}
update_blog_status( $blog_id, 'deleted', 1 );
// Don't destroy the initial, main, or root blog.
if ( $drop && ( 1 == $blog_id || is_main_site( $blog_id ) || ( $blog->path == $current_site->path && $blog->domain == $current_site->domain ) ) )
$drop = false;
if ( $drop ) {
$drop_tables = apply_filters( 'wpmu_drop_tables', $wpdb->tables( 'blog' ), $blog_id );
foreach ( (array) $drop_tables as $table ) {
$wpdb->query( "DROP TABLE IF EXISTS `$table`" );
}
$wpdb->delete( $wpdb->blogs, array( 'blog_id' => $blog_id ) );
$uploads = wp_upload_dir();
$dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $blog_id );
$dir = rtrim( $dir, DIRECTORY_SEPARATOR );
$top_dir = $dir;
$stack = array($dir);
$index = 0;
while ( $index < count( $stack ) ) {
# Get indexed directory from stack
$dir = $stack[$index];
$dh = @opendir( $dir );
if ( $dh ) {
while ( ( $file = @readdir( $dh ) ) !== false ) {
if ( $file == '.' || $file == '..' )
continue;
if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) )
$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
else if ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) )
@unlink( $dir . DIRECTORY_SEPARATOR . $file );
}
@closedir( $dh );
}
$index++;
}
$stack = array_reverse( $stack ); // Last added dirs are deepest
foreach( (array) $stack as $dir ) {
if ( $dir != $top_dir)
@rmdir( $dir );
}
clean_blog_cache( $blog );
}
if ( $switch )
restore_current_blog();
}
// @todo Merge with wp_delete_user() ?
function wpmu_delete_user( $id ) {
global $wpdb;
$id = (int) $id;
$user = new WP_User( $id );
if ( !$user->exists() )
return false;
do_action( 'wpmu_delete_user', $id );
$blogs = get_blogs_of_user( $id );
if ( ! empty( $blogs ) ) {
foreach ( $blogs as $blog ) {
switch_to_blog( $blog->userblog_id );
remove_user_from_blog( $id, $blog->userblog_id );
$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
foreach ( (array) $post_ids as $post_id ) {
wp_delete_post( $post_id );
}
// Clean links
$link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) );
if ( $link_ids ) {
foreach ( $link_ids as $link_id )
wp_delete_link( $link_id );
}
restore_current_blog();
}
}
$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
foreach ( $meta as $mid )
delete_metadata_by_mid( 'user', $mid );
$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
clean_user_cache( $user );
// allow for commit transaction
do_action( 'deleted_user', $id );
return true;
}
function update_option_new_admin_email( $old_value, $value ) {
$email = get_option( 'admin_email' );
if ( $value == get_option( 'admin_email' ) || !is_email( $value ) )
return;
$hash = md5( $value. time() .mt_rand() );
$new_admin_email = array(
'hash' => $hash,
'newemail' => $value
);
update_option( 'adminhash', $new_admin_email );
$content = apply_filters( 'new_admin_email_content', __( "Dear user,
You recently requested to have the administration email address on
your site changed.
If this is correct, please click on the following link to change it:
###ADMIN_URL###
You can safely ignore and delete this email if you do not want to
take this action.
This email has been sent to ###EMAIL###
Regards,
All at ###SITENAME###
###SITEURL### "), $new_admin_email );
$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'options.php?adminhash='.$hash ) ), $content );
$content = str_replace( '###EMAIL###', $value, $content );
$content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
$content = str_replace( '###SITEURL###', network_home_url(), $content );
wp_mail( $value, sprintf( __( '[%s] New Admin Email Address' ), get_option( 'blogname' ) ), $content );
}
add_action( 'update_option_new_admin_email', 'update_option_new_admin_email', 10, 2 );
add_action( 'add_option_new_admin_email', 'update_option_new_admin_email', 10, 2 );
function send_confirmation_on_profile_email() {
global $errors, $wpdb;
$current_user = wp_get_current_user();
if ( ! is_object($errors) )
$errors = new WP_Error();
if ( $current_user->ID != $_POST['user_id'] )
return false;
if ( $current_user->user_email != $_POST['email'] ) {
if ( !is_email( $_POST['email'] ) ) {
$errors->add( 'user_email', __( "ERROR: The email address isn’t correct." ), array( 'form-field' => 'email' ) );
return;
}
if ( $wpdb->get_var( $wpdb->prepare( "SELECT user_email FROM {$wpdb->users} WHERE user_email=%s", $_POST['email'] ) ) ) {
$errors->add( 'user_email', __( "ERROR: The email address is already used." ), array( 'form-field' => 'email' ) );
delete_option( $current_user->ID . '_new_email' );
return;
}
$hash = md5( $_POST['email'] . time() . mt_rand() );
$new_user_email = array(
'hash' => $hash,
'newemail' => $_POST['email']
);
update_option( $current_user->ID . '_new_email', $new_user_email );
$content = apply_filters( 'new_user_email_content', __( "Dear user,
You recently requested to have the email address on your account changed.
If this is correct, please click on the following link to change it:
###ADMIN_URL###
You can safely ignore and delete this email if you do not want to
take this action.
This email has been sent to ###EMAIL###
Regards,
All at ###SITENAME###
###SITEURL###" ), $new_user_email );
$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'profile.php?newuseremail='.$hash ) ), $content );
$content = str_replace( '###EMAIL###', $_POST['email'], $content);
$content = str_replace( '###SITENAME###', get_site_option( 'site_name' ), $content );
$content = str_replace( '###SITEURL###', network_home_url(), $content );
wp_mail( $_POST['email'], sprintf( __( '[%s] New Email Address' ), get_option( 'blogname' ) ), $content );
$_POST['email'] = $current_user->user_email;
}
}
add_action( 'personal_options_update', 'send_confirmation_on_profile_email' );
function new_user_email_admin_notice() {
if ( strpos( $_SERVER['PHP_SELF'], 'profile.php' ) && isset( $_GET['updated'] ) && $email = get_option( get_current_user_id() . '_new_email' ) )
echo "
" . sprintf( __( "Your email address has not been updated yet. Please check your inbox at %s for a confirmation email." ), $email['newemail'] ) . "
";
}
add_action( 'admin_notices', 'new_user_email_admin_notice' );
/**
* Check whether a blog has used its allotted upload space.
*
* @since MU
*
* @param bool $echo Optional. If $echo is set and the quota is exceeded, a warning message is echoed. Default is true.
* @return int
*/
function upload_is_user_over_quota( $echo = true ) {
if ( get_site_option( 'upload_space_check_disabled' ) )
return false;
$space_allowed = get_space_allowed();
if ( empty( $space_allowed ) || !is_numeric( $space_allowed ) )
$space_allowed = 10; // Default space allowed is 10 MB
$space_used = get_space_used();
if ( ( $space_allowed - $space_used ) < 0 ) {
if ( $echo )
_e( 'Sorry, you have used your space allocation. Please delete some files to upload more files.' );
return true;
} else {
return false;
}
}
/**
* Displays the amount of disk space used by the current blog. Not used in core.
*
* @since MU
*/
function display_space_usage() {
$space_allowed = get_space_allowed();
$space_used = get_space_used();
$percent_used = ( $space_used / $space_allowed ) * 100;
if ( $space_allowed > 1000 ) {
$space = number_format( $space_allowed / 1024 );
/* translators: Gigabytes */
$space .= __( 'GB' );
} else {
$space = number_format( $space_allowed );
/* translators: Megabytes */
$space .= __( 'MB' );
}
?>
' . sprintf( __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), $blog_name ) . '
';
$output .= '
' . __( 'If you reached this screen by accident and meant to visit one of your own sites, here are some shortcuts to help you find your way.' ) . '
';
wp_die( $output );
}
add_action( 'admin_page_access_denied', '_access_denied_splash', 99 );
function check_import_new_users( $permission ) {
if ( !is_super_admin() )
return false;
return true;
}
add_filter( 'import_allow_create_users', 'check_import_new_users' );
// See "import_allow_fetch_attachments" and "import_attachment_size_limit" filters too.
function mu_dropdown_languages( $lang_files = array(), $current = '' ) {
$flag = false;
$output = array();
foreach ( (array) $lang_files as $val ) {
$code_lang = basename( $val, '.mo' );
if ( $code_lang == 'en_US' ) { // American English
$flag = true;
$ae = __( 'American English' );
$output[$ae] = '';
} elseif ( $code_lang == 'en_GB' ) { // British English
$flag = true;
$be = __( 'British English' );
$output[$be] = '';
} else {
$translated = format_code_lang( $code_lang );
$output[$translated] = '';
}
}
if ( $flag === false ) // WordPress english
$output[] = '";
// Order by name
uksort( $output, 'strnatcasecmp' );
$output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current );
echo implode( "\n\t", $output );
}
/* Warn the admin if SECRET SALT information is missing from wp-config.php */
function secret_salt_warning() {
if ( !is_super_admin() )
return;
$secret_keys = array( 'AUTH_KEY', 'SECURE_AUTH_KEY', 'LOGGED_IN_KEY', 'NONCE_KEY', 'AUTH_SALT', 'SECURE_AUTH_SALT', 'LOGGED_IN_SALT', 'NONCE_SALT' );
$out = '';
foreach( $secret_keys as $key ) {
if ( ! defined( $key ) )
$out .= "define( '$key', '" . esc_html( wp_generate_password( 64, true, true ) ) . "' ); ";
}
if ( $out != '' ) {
$msg = __( 'Warning! WordPress encrypts user cookies, but you must add the following lines to wp-config.php for it to be more secure.' );
$msg .= ' ' . __( "Before the line /* That's all, stop editing! Happy blogging. */ please add this code:" );
$msg .= "
$out";
echo "
$msg
";
}
}
add_action( 'network_admin_notices', 'secret_salt_warning' );
function site_admin_notice() {
global $wp_db_version;
if ( !is_super_admin() )
return false;
if ( get_site_option( 'wpmu_upgrade_site' ) != $wp_db_version )
echo "
" . sprintf( __( 'Thank you for Updating! Please visit the Upgrade Network page to update all your sites.' ), esc_url( network_admin_url( 'upgrade.php' ) ) ) . "