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<?php |
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namespace League\JsonGuard\Constraints; |
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use League\JsonGuard; |
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use League\JsonGuard\ErrorCode; |
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use League\JsonGuard\SubSchemaValidatorFactory; |
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use League\JsonGuard\ValidationError; |
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class AdditionalProperties implements ParentSchemaAwareContainerInstanceConstraint |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function validate( |
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$data, |
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$schema, |
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$parameter, |
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SubSchemaValidatorFactory $validatorFactory, |
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$pointer = null |
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) { |
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if (!is_object($data)) { |
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return null; |
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} |
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$diff = self::getDiff($data, $schema); |
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if (count($diff) === 0) { |
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return null; |
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} |
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if ($parameter === false) { |
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return new ValidationError( |
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'Additional properties are not allowed.', |
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ErrorCode::NOT_ALLOWED_PROPERTY, |
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$data, |
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$pointer |
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); |
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} elseif (is_object($parameter)) { |
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// If additionalProperties is an object it's a schema, |
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// so validate all additional properties against it. |
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$additionalSchema = array_fill_keys($diff, $parameter); |
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return Properties::validate($data, $additionalSchema, $validatorFactory, $pointer); |
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} |
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return null; |
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} |
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/** |
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* Get the properties in $data which are not in $schema 'properties' or matching 'patternProperties'. |
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* |
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* @param object $data |
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* @param object $schema |
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* |
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* @return array |
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*/ |
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protected static function getDiff($data, $schema) |
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{ |
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if (property_exists($schema, 'properties')) { |
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$definedProperties = array_keys(get_object_vars($schema->properties)); |
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} else { |
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$definedProperties = []; |
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} |
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$actualProperties = array_keys(get_object_vars($data)); |
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$diff = array_diff($actualProperties, $definedProperties); |
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// The diff doesn't account for patternProperties, so lets filter those out too. |
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if (property_exists($schema, 'patternProperties')) { |
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foreach ($schema->patternProperties as $property => $schema) { |
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$matches = JsonGuard\propertiesMatchingPattern($property, $diff); |
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$diff = array_diff($diff, $matches); |
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} |
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return $diff; |
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} |
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return $diff; |
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} |
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} |
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thephpleague /
json-guard
