mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Gadgets
synced 2024-12-12 15:35:08 +00:00
92 lines
2.9 KiB
PHP
92 lines
2.9 KiB
PHP
<?php
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/**
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* Class responsible for validating Gadget definition contents
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*
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* @todo maybe this should use a formal JSON schema validator or something
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*/
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class GadgetDefinitionValidator {
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/**
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* @var array Validation metadata.
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* 'foo.bar.baz' => [ 'type check callback',
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* 'type name' [, 'member type check callback', 'member type name'] ]
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*/
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protected static $propertyValidation = [
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'settings' => [ 'is_array', 'array' ],
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'settings.rights' => [ 'is_array', 'array' , 'is_string', 'string' ],
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'settings.default' => [ 'is_bool', 'boolean' ],
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'settings.hidden' => [ 'is_bool', 'boolean' ],
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'settings.skins' => [ [ __CLASS__, 'isArrayOrTrue' ], 'array or true', 'is_string', 'string' ],
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'settings.category' => [ 'is_string', 'string' ],
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'module' => [ 'is_array', 'array' ],
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'module.scripts' => [ 'is_array', 'array', 'is_string', 'string' ],
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'module.styles' => [ 'is_array', 'array', 'is_string', 'string' ],
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'module.dependencies' => [ 'is_array', 'array', 'is_string', 'string' ],
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'module.peers' => [ 'is_array', 'array', 'is_string', 'string' ],
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'module.messages' => [ 'is_array', 'array', 'is_string', 'string' ],
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'module.type' => [ 'is_string', 'string' ],
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];
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/**
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* @param mixed $value
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* @return bool
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*/
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public static function isArrayOrTrue( $value ) {
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return is_array( $value ) || $value === true;
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}
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/**
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* Check the validity of the given properties array
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* @param array $properties Return value of FormatJson::decode( $blob, true )
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* @param bool $tolerateMissing If true, don't complain about missing keys
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* @return Status object with error message if applicable
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*/
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public function validate( array $properties, $tolerateMissing = false ) {
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foreach ( self::$propertyValidation as $property => $validation ) {
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$path = explode( '.', $property );
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$val = $properties;
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// Walk down and verify that the path from the root to this property exists
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foreach ( $path as $p ) {
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if ( !array_key_exists( $p, $val ) ) {
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if ( $tolerateMissing ) {
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// Skip validation of this property altogether
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continue 2;
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} else {
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return Status::newFatal( 'gadgets-validate-notset', $property );
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}
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}
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$val = $val[$p];
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}
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// Do the actual validation of this property
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$func = $validation[0];
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if ( !call_user_func( $func, $val ) ) {
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return Status::newFatal(
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'gadgets-validate-wrongtype',
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$property,
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$validation[1],
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gettype( $val )
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);
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}
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if ( isset( $validation[2] ) && isset( $validation[3] ) && is_array( $val ) ) {
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// Descend into the array and check the type of each element
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$func = $validation[2];
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foreach ( $val as $i => $v ) {
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if ( !call_user_func( $func, $v ) ) {
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return Status::newFatal(
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'gadgets-validate-wrongtype',
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"{$property}[{$i}]",
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$validation[3],
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gettype( $v )
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);
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}
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}
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}
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}
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return Status::newGood();
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}
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}
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