Customize: Add `wp_is_uuid()` validation function with optional second `$version=4` parameter to enforce v4 random UUIDs.

Props jonathanbardo.
Fixes #39778.

Built from https://develop.svn.wordpress.org/trunk@41388


git-svn-id: http://core.svn.wordpress.org/trunk@41221 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Weston Ruter 2017-09-18 23:04:44 +00:00
parent 19e3d8bc41
commit 3abea17301
3 changed files with 30 additions and 2 deletions

View File

@ -488,7 +488,7 @@ final class WP_Customize_Manager {
return;
}
if ( ! preg_match( '/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/', $this->_changeset_uuid ) ) {
if ( ! wp_is_uuid( $this->_changeset_uuid ) ) {
$this->wp_die( -1, __( 'Invalid changeset UUID' ) );
}

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@ -5704,6 +5704,34 @@ function wp_generate_uuid4() {
);
}
/**
* Validates that a UUID is valid.
*
* @since 4.9.0
*
* @param mixed $uuid UUID to check.
* @param int $version Specify which version of UUID to check against. Default is none, to accept any UUID version. Otherwise, only version allowed is `4`.
* @return bool The string is a valid UUID or false on failure.
*/
function wp_is_uuid( $uuid, $version = null ) {
if ( ! is_string( $uuid ) ) {
return false;
}
if ( is_numeric( $version ) ) {
if ( 4 !== (int) $version ) {
_doing_it_wrong( __FUNCTION__, __( 'Only UUID V4 is supported at this time.' ), '4.9.0' );
return false;
}
$regex = '/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/';
} else {
$regex = '/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/';
}
return (bool) preg_match( $regex, $uuid );
}
/**
* Get last changed date for the specified cache group.
*

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@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.9-alpha-41387';
$wp_version = '4.9-alpha-41388';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.