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<?php |
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/** |
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* @author Todd Burry <[email protected]> |
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* @copyright 2009-2017 Vanilla Forums Inc. |
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* @license MIT |
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*/ |
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namespace Garden\Schema; |
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/** |
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* A class for defining and validating data schemas. |
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*/ |
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class Schema implements \JsonSerializable { |
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/** |
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* Throw a notice when extraneous properties are encountered during validation. |
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*/ |
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const FLAG_EXTRA_PROPERTIES_NOTICE = 0x1; |
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/** |
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* Throw a ValidationException when extraneous properties are encountered during validation. |
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*/ |
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const FLAG_EXTRA_PROPERTIES_EXCEPTION = 0x2; |
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/** |
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* @var array All the known types. |
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* |
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* If this is ever given some sort of public access then remove the static. |
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*/ |
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private static $types = [ |
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'a' => 'array', |
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'o' => 'object', |
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'i' => 'integer', |
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'int' => 'integer', |
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's' => 'string', |
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'str' => 'string', |
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'f' => 'number', |
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'float' => 'number', |
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'b' => 'boolean', |
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'bool' => 'boolean', |
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'ts' => 'timestamp', |
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'dt' => 'datetime' |
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]; |
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private $schema = []; |
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/** |
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* @var int A bitwise combination of the various **Schema::FLAG_*** constants. |
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*/ |
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private $flags = 0; |
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/** |
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* @var array An array of callbacks that will custom validate the schema. |
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*/ |
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private $validators = []; |
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/** |
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* @var string|Validation The name of the class or an instance that will be cloned. |
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*/ |
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private $validationClass = Validation::class; |
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/// Methods /// |
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/** |
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* Initialize an instance of a new {@link Schema} class. |
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* |
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* @param array $schema The array schema to validate against. |
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*/ |
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public function __construct($schema = []) { |
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$this->schema = $this->parse($schema); |
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} |
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/** |
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* Grab the schema's current description. |
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* |
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* @return string |
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*/ |
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public function getDescription() { |
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return isset($this->schema['description']) ? $this->schema['description'] : ''; |
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} |
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/** |
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* Set the description for the schema. |
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* |
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* @param string $description The new description. |
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* @throws \InvalidArgumentException Throws an exception when the provided description is not a string. |
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* @return Schema |
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*/ |
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public function setDescription($description) { |
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if (is_string($description)) { |
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$this->schema['description'] = $description; |
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} else { |
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throw new \InvalidArgumentException("The description is not a valid string.", 500); |
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} |
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return $this; |
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} |
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/** |
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* Return the validation flags. |
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* |
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* @return int Returns a bitwise combination of flags. |
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*/ |
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public function getFlags() { |
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return $this->flags; |
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} |
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/** |
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* Set the validation flags. |
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* |
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* @param int $flags One or more of the **Schema::FLAG_*** constants. |
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* @return Schema Returns the current instance for fluent calls. |
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*/ |
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public function setFlags($flags) { |
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if (!is_int($flags)) { |
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throw new \InvalidArgumentException('Invalid flags.', 500); |
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} |
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$this->flags = $flags; |
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return $this; |
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} |
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/** |
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* Whether or not the schema has a flag (or combination of flags). |
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* |
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* @param int $flag One or more of the **Schema::VALIDATE_*** constants. |
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* @return bool Returns **true** if all of the flags are set or **false** otherwise. |
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*/ |
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public function hasFlag($flag) { |
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return ($this->flags & $flag) === $flag; |
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} |
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/** |
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* Set a flag. |
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* |
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* @param int $flag One or more of the **Schema::VALIDATE_*** constants. |
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* @param bool $value Either true or false. |
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* @return $this |
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*/ |
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public function setFlag($flag, $value) { |
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if ($value) { |
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$this->flags = $this->flags | $flag; |
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} else { |
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$this->flags = $this->flags & ~$flag; |
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} |
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return $this; |
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} |
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/** |
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* Merge a schema with this one. |
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* |
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* @param Schema $schema A scheme instance. Its parameters will be merged into the current instance. |
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*/ |
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public function merge(Schema $schema) { |
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$fn = function (array &$target, array $source) use (&$fn) { |
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foreach ($source as $key => $val) { |
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if (is_array($val) && array_key_exists($key, $target) && is_array($target[$key])) { |
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if (isset($val[0]) || isset($target[$key][0])) { |
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// This is a numeric array, so just do a merge. |
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$merged = array_merge($target[$key], $val); |
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if (is_string($merged[0])) { |
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$merged = array_keys(array_flip($merged)); |
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} |
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$target[$key] = $merged; |
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} else { |
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$target[$key] = $fn($target[$key], $val); |
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} |
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} else { |
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$target[$key] = $val; |
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} |
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} |
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return $target; |
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}; |
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$fn($this->schema, $schema->getSchemaArray()); |
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} |
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/** |
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* Returns the internal schema array. |
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* |
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* @return array |
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* @see Schema::jsonSerialize() |
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*/ |
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public function getSchemaArray() { |
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return $this->schema; |
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} |
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/** |
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* Parse a schema in short form into a full schema array. |
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* |
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* @param array $arr The array to parse into a schema. |
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* @return array The full schema array. |
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* @throws \InvalidArgumentException Throws an exception when an item in the schema is invalid. |
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*/ |
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protected function parse(array $arr) { |
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if (empty($arr)) { |
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// An empty schema validates to anything. |
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return []; |
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} elseif (isset($arr['type'])) { |
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// This is a long form schema and can be parsed as the root. |
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return $this->parseNode($arr); |
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} else { |
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// Check for a root schema. |
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$value = reset($arr); |
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$key = key($arr); |
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if (is_int($key)) { |
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$key = $value; |
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$value = null; |
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} |
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list ($name, $param) = $this->parseShortParam($key, $value); |
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if (empty($name)) { |
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return $this->parseNode($param, $value); |
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} |
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} |
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// If we are here then this is n object schema. |
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list($properties, $required) = $this->parseProperties($arr); |
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$result = [ |
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'type' => 'object', |
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'properties' => $properties, |
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'required' => $required |
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]; |
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return array_filter($result); |
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} |
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/** |
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* Parse a schema node. |
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* |
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* @param array $node The node to parse. |
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* @param mixed $value Additional information from the node. |
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* @return array Returns a JSON schema compatible node. |
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*/ |
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private function parseNode($node, $value = null) { |
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if (is_array($value)) { |
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// The value describes a bit more about the schema. |
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switch ($node['type']) { |
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case 'array': |
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if (isset($value['items'])) { |
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// The value includes array schema information. |
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$node = array_replace($node, $value); |
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} else { |
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$node['items'] = $this->parse($value); |
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} |
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break; |
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case 'object': |
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// The value is a schema of the object. |
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if (isset($value['properties'])) { |
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list($node['properties']) = $this->parseProperties($value['properties']); |
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} else { |
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list($node['properties'], $required) = $this->parseProperties($value); |
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if (!empty($required)) { |
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$node['required'] = $required; |
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} |
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} |
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break; |
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default: |
260
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$node = array_replace($node, $value); |
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break; |
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} |
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} elseif (is_string($value)) { |
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if ($node['type'] === 'array' && $arrType = $this->getType($value)) { |
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$node['items'] = ['type' => $arrType]; |
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} elseif (!empty($value)) { |
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$node['description'] = $value; |
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} |
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} elseif ($value === null) { |
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// Parse child elements. |
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if ($node['type'] === 'array' && isset($node['items'])) { |
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// The value includes array schema information. |
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$node['items'] = $this->parse($node['items']); |
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} elseif ($node['type'] === 'object' && isset($node['properties'])) { |
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list($node['properties']) = $this->parseProperties($node['properties']); |
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277
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} |
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} |
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280
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281
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return $node; |
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} |
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284
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/** |
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* Parse the schema for an object's properties. |
286
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* |
287
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* @param array $arr An object property schema. |
288
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* @return array Returns a schema array suitable to be placed in the **properties** key of a schema. |
289
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*/ |
290
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85 |
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private function parseProperties(array $arr) { |
291
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$properties = []; |
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292
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85 |
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$requiredProperties = []; |
293
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85 |
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foreach ($arr as $key => $value) { |
294
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// Fix a schema specified as just a value. |
295
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85 |
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if (is_int($key)) { |
296
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61 |
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if (is_string($value)) { |
297
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$key = $value; |
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298
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$value = ''; |
299
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61 |
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} else { |
300
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throw new \InvalidArgumentException("Schema at position $key is not a valid parameter.", 500); |
301
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} |
302
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61 |
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} |
303
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304
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// The parameter is defined in the key. |
305
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85 |
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list($name, $param, $required) = $this->parseShortParam($key, $value); |
306
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307
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85 |
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$node = $this->parseNode($param, $value); |
308
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309
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85 |
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$properties[$name] = $node; |
310
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85 |
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if ($required) { |
311
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44 |
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$requiredProperties[] = $name; |
312
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44 |
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} |
313
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85 |
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} |
314
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85 |
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return array($properties, $requiredProperties); |
315
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} |
316
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317
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/** |
318
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* Parse a short parameter string into a full array parameter. |
319
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* |
320
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* @param string $key The short parameter string to parse. |
321
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* @param array $value An array of other information that might help resolve ambiguity. |
322
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* @return array Returns an array in the form `[string name, array param, bool required]`. |
323
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* @throws \InvalidArgumentException Throws an exception if the short param is not in the correct format. |
324
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*/ |
325
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125 |
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public function parseShortParam($key, $value = []) { |
326
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// Is the parameter optional? |
327
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125 |
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if (substr($key, -1) === '?') { |
328
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59 |
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$required = false; |
329
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59 |
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$key = substr($key, 0, -1); |
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330
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59 |
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} else { |
331
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84 |
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$required = true; |
332
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} |
333
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334
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// Check for a type. |
335
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125 |
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$parts = explode(':', $key); |
336
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125 |
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$name = $parts[0]; |
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337
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125 |
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$type = !empty($parts[1]) && isset(self::$types[$parts[1]]) ? self::$types[$parts[1]] : null; |
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338
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339
|
125 |
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if ($value instanceof Schema) { |
340
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2 |
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if ($type === 'array') { |
341
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1 |
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$param = ['type' => $type, 'items' => $value]; |
342
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1 |
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} else { |
343
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1 |
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$param = $value; |
344
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} |
345
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125 |
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} elseif (isset($value['type'])) { |
346
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4 |
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$param = $value; |
347
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348
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4 |
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if (!empty($type) && $type !== $param['type']) { |
349
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throw new \InvalidArgumentException("Type mismatch between $type and {$param['type']} for field $name.", 500); |
350
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} |
351
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4 |
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} else { |
352
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123 |
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if (empty($type) && !empty($parts[1])) { |
353
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throw new \InvalidArgumentException("Invalid type {$parts[1]} for field $name.", 500); |
354
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} |
355
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123 |
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$param = ['type' => $type]; |
356
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|
357
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// Parsed required strings have a minimum length of 1. |
358
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123 |
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if ($type === 'string' && !empty($name) && $required) { |
359
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27 |
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$param['minLength'] = 1; |
360
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27 |
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} |
361
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} |
362
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363
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125 |
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return [$name, $param, $required]; |
364
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} |
365
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|
366
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/** |
367
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* Add a custom validator to to validate the schema. |
368
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* |
369
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|
* @param string $fieldname The name of the field to validate, if any. |
370
|
|
|
* |
371
|
|
|
* If you are adding a validator to a deeply nested field then separate the path with dots. |
372
|
|
|
* @param callable $callback The callback to validate with. |
373
|
|
|
* @return Schema Returns `$this` for fluent calls. |
374
|
|
|
*/ |
375
|
2 |
|
public function addValidator($fieldname, callable $callback) { |
376
|
2 |
|
$this->validators[$fieldname][] = $callback; |
377
|
2 |
|
return $this; |
378
|
|
|
} |
379
|
|
|
|
380
|
|
|
/** |
381
|
|
|
* Require one of a given set of fields in the schema. |
382
|
|
|
* |
383
|
|
|
* @param array $required The field names to require. |
384
|
|
|
* @param string $fieldname The name of the field to attach to. |
385
|
|
|
* @param int $count The count of required items. |
386
|
|
|
* @return Schema Returns `$this` for fluent calls. |
387
|
|
|
*/ |
388
|
1 |
|
public function requireOneOf(array $required, $fieldname = '', $count = 1) { |
389
|
1 |
|
$result = $this->addValidator( |
390
|
1 |
|
$fieldname, |
391
|
|
|
function ($data, ValidationField $field) use ($required, $count) { |
392
|
1 |
|
$hasCount = 0; |
|
|
|
|
393
|
1 |
|
$flattened = []; |
394
|
|
|
|
395
|
1 |
|
foreach ($required as $name) { |
396
|
1 |
|
$flattened = array_merge($flattened, (array)$name); |
397
|
|
|
|
398
|
1 |
|
if (is_array($name)) { |
399
|
|
|
// This is an array of required names. They all must match. |
400
|
1 |
|
$hasCountInner = 0; |
401
|
1 |
|
foreach ($name as $nameInner) { |
402
|
1 |
|
if (isset($data[$nameInner]) && $data[$nameInner]) { |
403
|
1 |
|
$hasCountInner++; |
404
|
1 |
|
} else { |
405
|
1 |
|
break; |
406
|
|
|
} |
407
|
1 |
|
} |
408
|
1 |
|
if ($hasCountInner >= count($name)) { |
409
|
1 |
|
$hasCount++; |
410
|
1 |
|
} |
411
|
1 |
|
} elseif (isset($data[$name]) && $data[$name]) { |
412
|
1 |
|
$hasCount++; |
413
|
1 |
|
} |
414
|
|
|
|
415
|
1 |
|
if ($hasCount >= $count) { |
416
|
1 |
|
return true; |
417
|
|
|
} |
418
|
1 |
|
} |
419
|
|
|
|
420
|
1 |
|
if ($count === 1) { |
421
|
1 |
|
$message = 'One of {required} are required.'; |
422
|
1 |
|
} else { |
423
|
|
|
$message = '{count} of {required} are required.'; |
424
|
|
|
} |
425
|
|
|
|
426
|
1 |
|
$field->addError('missingField', [ |
427
|
1 |
|
'messageCode' => $message, |
428
|
1 |
|
'required' => $required, |
429
|
|
|
'count' => $count |
430
|
1 |
|
]); |
431
|
1 |
|
return false; |
432
|
|
|
} |
433
|
1 |
|
); |
434
|
|
|
|
435
|
1 |
|
return $result; |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
/** |
439
|
|
|
* Validate data against the schema. |
440
|
|
|
* |
441
|
|
|
* @param mixed $data The data to validate. |
442
|
|
|
* @param bool $sparse Whether or not this is a sparse validation. |
443
|
|
|
* @return mixed Returns a cleaned version of the data. |
444
|
|
|
* @throws ValidationException Throws an exception when the data does not validate against the schema. |
445
|
|
|
*/ |
446
|
106 |
|
public function validate($data, $sparse = false) { |
447
|
106 |
|
$validation = new ValidationField($this->createValidation(), $this->schema, ''); |
448
|
|
|
|
449
|
106 |
|
$clean = $this->validateField($data, $validation, $sparse); |
450
|
|
|
|
451
|
104 |
|
if (!$validation->getValidation()->isValid()) { |
452
|
55 |
|
throw new ValidationException($validation->getValidation()); |
453
|
|
|
} |
454
|
|
|
|
455
|
60 |
|
return $clean; |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Validate data against the schema and return the result. |
460
|
|
|
* |
461
|
|
|
* @param mixed $data The data to validate. |
462
|
|
|
* @param bool $sparse Whether or not to do a sparse validation. |
463
|
|
|
* @return bool Returns true if the data is valid. False otherwise. |
464
|
|
|
*/ |
465
|
33 |
|
public function isValid($data, $sparse = false) { |
466
|
|
|
try { |
467
|
33 |
|
$this->validate($data, $sparse); |
468
|
23 |
|
return true; |
469
|
16 |
|
} catch (ValidationException $ex) { |
470
|
16 |
|
return false; |
471
|
|
|
} |
472
|
|
|
} |
473
|
|
|
|
474
|
|
|
/** |
475
|
|
|
* Validate a field. |
476
|
|
|
* |
477
|
|
|
* @param mixed $value The value to validate. |
478
|
|
|
* @param ValidationField $field A validation object to add errors to. |
479
|
|
|
* @param bool $sparse Whether or not this is a sparse validation. |
480
|
|
|
* @return mixed Returns a clean version of the value with all extra fields stripped out. |
481
|
|
|
*/ |
482
|
106 |
|
private function validateField($value, ValidationField $field, $sparse = false) { |
483
|
106 |
|
$result = $value; |
484
|
106 |
|
if ($field->getField() instanceof Schema) { |
485
|
|
|
try { |
486
|
1 |
|
$result = $field->getField()->validate($value, $sparse); |
487
|
1 |
|
} catch (ValidationException $ex) { |
488
|
|
|
// The validation failed, so merge the validations together. |
489
|
1 |
|
$field->getValidation()->merge($ex->getValidation(), $field->getName()); |
490
|
|
|
} |
491
|
1 |
|
} else { |
492
|
|
|
// Validate the field's type. |
493
|
106 |
|
$type = $field->getType(); |
494
|
|
|
switch ($type) { |
495
|
106 |
|
case 'boolean': |
496
|
19 |
|
$result = $this->validateBoolean($value, $field); |
497
|
19 |
|
break; |
498
|
94 |
|
case 'integer': |
499
|
20 |
|
$result = $this->validateInteger($value, $field); |
500
|
20 |
|
break; |
501
|
93 |
|
case 'number': |
502
|
7 |
|
$result = $this->validateNumber($value, $field); |
503
|
7 |
|
break; |
504
|
93 |
|
case 'string': |
505
|
49 |
|
$result = $this->validateString($value, $field); |
506
|
49 |
|
break; |
507
|
77 |
|
case 'timestamp': |
508
|
6 |
|
$result = $this->validateTimestamp($value, $field); |
509
|
6 |
|
break; |
510
|
77 |
|
case 'datetime': |
511
|
7 |
|
$result = $this->validateDatetime($value, $field); |
512
|
7 |
|
break; |
513
|
75 |
|
case 'array': |
514
|
10 |
|
$result = $this->validateArray($value, $field, $sparse); |
515
|
10 |
|
break; |
516
|
74 |
|
case 'object': |
517
|
73 |
|
$result = $this->validateObject($value, $field, $sparse); |
518
|
71 |
|
break; |
519
|
2 |
|
case null: |
|
|
|
|
520
|
|
|
// No type was specified so we are valid. |
521
|
2 |
|
$result = $value; |
522
|
2 |
|
break; |
523
|
|
|
default: |
524
|
|
|
throw new \InvalidArgumentException("Unrecognized type $type.", 500); |
525
|
|
|
} |
526
|
106 |
|
if ($result !== null && !$this->validateEnum($value, $field)) { |
527
|
1 |
|
$result = null; |
528
|
1 |
|
} |
529
|
|
|
} |
530
|
|
|
|
531
|
|
|
// Validate a custom field validator. |
532
|
106 |
|
if ($result !== null) { |
533
|
105 |
|
$this->callValidators($result, $field); |
534
|
105 |
|
} |
535
|
|
|
|
536
|
106 |
|
return $result; |
537
|
|
|
} |
538
|
|
|
|
539
|
|
|
/** |
540
|
|
|
* Call all of the validators attached to a field. |
541
|
|
|
* |
542
|
|
|
* @param mixed $value The field value being validated. |
543
|
|
|
* @param ValidationField $field The validation object to add errors. |
544
|
|
|
*/ |
545
|
105 |
|
private function callValidators($value, ValidationField $field) { |
546
|
|
|
// Strip array references in the name except for the last one. |
547
|
105 |
|
$key = preg_replace(['`\[\d+\]$`', '`\[\d+\]`'], ['[]', ''], $field->getName()); |
548
|
105 |
|
if (!empty($this->validators[$key])) { |
549
|
2 |
|
foreach ($this->validators[$key] as $validator) { |
550
|
2 |
|
call_user_func($validator, $value, $field); |
551
|
2 |
|
} |
552
|
2 |
|
} |
553
|
105 |
|
} |
554
|
|
|
|
555
|
|
|
/** |
556
|
|
|
* Validate an array. |
557
|
|
|
* |
558
|
|
|
* @param mixed $value The value to validate. |
559
|
|
|
* @param ValidationField $field The validation results to add. |
560
|
|
|
* @param bool $sparse Whether or not this is a sparse validation. |
561
|
|
|
* @return array|null Returns an array or **null** if validation fails. |
562
|
|
|
*/ |
563
|
10 |
|
private function validateArray($value, ValidationField $field, $sparse = false) { |
564
|
10 |
|
if (!is_array($value) || (count($value) > 0 && !array_key_exists(0, $value))) { |
565
|
6 |
|
$field->addTypeError('array'); |
566
|
6 |
|
return null; |
567
|
5 |
|
} elseif (empty($value)) { |
568
|
1 |
|
return []; |
569
|
5 |
|
} elseif ($field->val('items') !== null) { |
570
|
4 |
|
$result = []; |
571
|
|
|
|
572
|
|
|
// Validate each of the types. |
573
|
4 |
|
$itemValidation = new ValidationField( |
574
|
4 |
|
$field->getValidation(), |
575
|
4 |
|
$field->val('items'), |
576
|
|
|
'' |
577
|
4 |
|
); |
578
|
|
|
|
579
|
4 |
|
foreach ($value as $i => &$item) { |
580
|
4 |
|
$itemValidation->setName($field->getName()."[{$i}]"); |
581
|
4 |
|
$validItem = $this->validateField($item, $itemValidation, $sparse); |
582
|
4 |
|
if ($validItem !== null) { |
583
|
4 |
|
$result[] = $validItem; |
584
|
4 |
|
} |
585
|
4 |
|
} |
586
|
4 |
|
} else { |
587
|
|
|
// Cast the items into a proper numeric array. |
588
|
1 |
|
$result = array_values($value); |
589
|
|
|
} |
590
|
|
|
|
591
|
5 |
|
return $result; |
592
|
|
|
} |
593
|
|
|
|
594
|
|
|
/** |
595
|
|
|
* Validate a boolean value. |
596
|
|
|
* |
597
|
|
|
* @param mixed $value The value to validate. |
598
|
|
|
* @param ValidationField $field The validation results to add. |
599
|
|
|
* @return bool|null Returns the cleaned value or **null** if validation fails. |
600
|
|
|
*/ |
601
|
19 |
|
private function validateBoolean($value, ValidationField $field) { |
602
|
19 |
|
$value = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE); |
603
|
19 |
|
if ($value === null) { |
604
|
3 |
|
$field->addTypeError('boolean'); |
605
|
3 |
|
} |
606
|
19 |
|
return $value; |
607
|
|
|
} |
608
|
|
|
|
609
|
|
|
/** |
610
|
|
|
* Validate a date time. |
611
|
|
|
* |
612
|
|
|
* @param mixed $value The value to validate. |
613
|
|
|
* @param ValidationField $field The validation results to add. |
614
|
|
|
* @return \DateTimeInterface|null Returns the cleaned value or **null** if it isn't valid. |
615
|
|
|
*/ |
616
|
11 |
|
private function validateDatetime($value, ValidationField $field) { |
617
|
11 |
|
if ($value instanceof \DateTimeInterface) { |
|
|
|
|
618
|
|
|
// do nothing, we're good |
619
|
11 |
|
} elseif (is_string($value) && $value !== '') { |
620
|
|
|
try { |
621
|
7 |
|
$dt = new \DateTimeImmutable($value); |
622
|
5 |
|
if ($dt) { |
623
|
5 |
|
$value = $dt; |
624
|
5 |
|
} else { |
625
|
|
|
$value = null; |
626
|
|
|
} |
627
|
7 |
|
} catch (\Exception $ex) { |
628
|
2 |
|
$value = null; |
629
|
|
|
} |
630
|
10 |
|
} elseif (is_int($value) && $value > 0) { |
631
|
1 |
|
$value = new \DateTimeImmutable('@'.(string)round($value)); |
632
|
1 |
|
} else { |
633
|
2 |
|
$value = null; |
634
|
|
|
} |
635
|
|
|
|
636
|
11 |
|
if ($value === null) { |
637
|
4 |
|
$field->addTypeError('datetime'); |
638
|
4 |
|
} |
639
|
11 |
|
return $value; |
640
|
|
|
} |
641
|
|
|
|
642
|
|
|
/** |
643
|
|
|
* Validate a float. |
644
|
|
|
* |
645
|
|
|
* @param mixed $value The value to validate. |
646
|
|
|
* @param ValidationField $field The validation results to add. |
647
|
|
|
* @return float|int|null Returns a number or **null** if validation fails. |
648
|
|
|
*/ |
649
|
7 |
|
private function validateNumber($value, ValidationField $field) { |
650
|
7 |
|
$result = filter_var($value, FILTER_VALIDATE_FLOAT); |
651
|
7 |
|
if ($result === false) { |
652
|
4 |
|
$field->addTypeError('number'); |
653
|
4 |
|
return null; |
654
|
|
|
} |
655
|
3 |
|
return $result; |
656
|
|
|
} |
657
|
|
|
|
658
|
|
|
/** |
659
|
|
|
* Validate and integer. |
660
|
|
|
* |
661
|
|
|
* @param mixed $value The value to validate. |
662
|
|
|
* @param ValidationField $field The validation results to add. |
663
|
|
|
* @return int|null Returns the cleaned value or **null** if validation fails. |
664
|
|
|
*/ |
665
|
20 |
|
private function validateInteger($value, ValidationField $field) { |
666
|
20 |
|
$result = filter_var($value, FILTER_VALIDATE_INT); |
667
|
|
|
|
668
|
20 |
|
if ($result === false) { |
669
|
8 |
|
$field->addTypeError('integer'); |
670
|
8 |
|
return null; |
671
|
|
|
} |
672
|
15 |
|
return $result; |
673
|
|
|
} |
674
|
|
|
|
675
|
|
|
/** |
676
|
|
|
* Validate an object. |
677
|
|
|
* |
678
|
|
|
* @param mixed $value The value to validate. |
679
|
|
|
* @param ValidationField $field The validation results to add. |
680
|
|
|
* @param bool $sparse Whether or not this is a sparse validation. |
681
|
|
|
* @return object|null Returns a clean object or **null** if validation fails. |
|
|
|
|
682
|
|
|
*/ |
683
|
73 |
|
private function validateObject($value, ValidationField $field, $sparse = false) { |
684
|
73 |
|
if (!is_array($value) || isset($value[0])) { |
685
|
6 |
|
$field->addTypeError('object'); |
686
|
6 |
|
return null; |
687
|
73 |
|
} elseif (is_array($field->val('properties'))) { |
688
|
|
|
// Validate the data against the internal schema. |
689
|
73 |
|
$value = $this->validateProperties($value, $field, $sparse); |
690
|
71 |
|
} |
691
|
71 |
|
return $value; |
692
|
|
|
} |
693
|
|
|
|
694
|
|
|
/** |
695
|
|
|
* Validate data against the schema and return the result. |
696
|
|
|
* |
697
|
|
|
* @param array $data The data to validate. |
698
|
|
|
* @param ValidationField $field This argument will be filled with the validation result. |
699
|
|
|
* @param bool $sparse Whether or not this is a sparse validation. |
700
|
|
|
* @return array Returns a clean array with only the appropriate properties and the data coerced to proper types. |
701
|
|
|
*/ |
702
|
73 |
|
private function validateProperties(array $data, ValidationField $field, $sparse = false) { |
703
|
73 |
|
$properties = $field->val('properties', []); |
704
|
73 |
|
$required = array_flip($field->val('required', [])); |
|
|
|
|
705
|
73 |
|
$keys = array_keys($data); |
|
|
|
|
706
|
73 |
|
$keys = array_combine(array_map('strtolower', $keys), $keys); |
|
|
|
|
707
|
|
|
|
708
|
73 |
|
$propertyField = new ValidationField($field->getValidation(), [], null); |
709
|
|
|
|
710
|
|
|
// Loop through the schema fields and validate each one. |
711
|
73 |
|
$clean = []; |
712
|
73 |
|
foreach ($properties as $propertyName => $property) { |
713
|
|
|
$propertyField |
714
|
73 |
|
->setField($property) |
715
|
73 |
|
->setName(ltrim($field->getName().".$propertyName", '.')); |
716
|
|
|
|
717
|
73 |
|
$lName = strtolower($propertyName); |
|
|
|
|
718
|
73 |
|
$isRequired = isset($required[$propertyName]); |
719
|
|
|
|
720
|
|
|
// First check for required fields. |
721
|
73 |
|
if (!array_key_exists($lName, $keys)) { |
722
|
|
|
// A sparse validation can leave required fields out. |
723
|
18 |
|
if ($isRequired && !$sparse) { |
724
|
6 |
|
$propertyField->addError('missingField', ['messageCode' => '{field} is required.']); |
725
|
6 |
|
} |
726
|
73 |
|
} elseif ($data[$keys[$lName]] === null) { |
727
|
17 |
|
if ($isRequired) { |
728
|
9 |
|
$propertyField->addError('missingField', ['messageCode' => '{field} cannot be null.']); |
729
|
9 |
|
} else { |
730
|
8 |
|
$clean[$propertyName] = null; |
731
|
|
|
} |
732
|
17 |
|
} else { |
733
|
65 |
|
$clean[$propertyName] = $this->validateField($data[$keys[$lName]], $propertyField, $sparse); |
734
|
|
|
} |
735
|
|
|
|
736
|
73 |
|
unset($keys[$lName]); |
737
|
73 |
|
} |
738
|
|
|
|
739
|
|
|
// Look for extraneous properties. |
740
|
73 |
|
if (!empty($keys)) { |
741
|
7 |
|
if ($this->hasFlag(Schema::FLAG_EXTRA_PROPERTIES_NOTICE)) { |
|
|
|
|
742
|
2 |
|
$msg = sprintf("%s has unexpected field(s): %s.", $field->getName() ?: 'value', implode(', ', $keys)); |
743
|
2 |
|
trigger_error($msg, E_USER_NOTICE); |
744
|
|
|
} |
745
|
|
|
|
746
|
5 |
|
if ($this->hasFlag(Schema::FLAG_EXTRA_PROPERTIES_EXCEPTION)) { |
|
|
|
|
747
|
2 |
|
$field->addError('invalid', [ |
748
|
2 |
|
'messageCode' => '{field} has {extra,plural,an unexpected field,unexpected fields}: {extra}.', |
749
|
2 |
|
'extra' => array_values($keys), |
750
|
|
|
'status' => 422 |
751
|
2 |
|
]); |
752
|
2 |
|
} |
753
|
5 |
|
} |
754
|
|
|
|
755
|
71 |
|
return $clean; |
756
|
|
|
} |
757
|
|
|
|
758
|
|
|
/** |
759
|
|
|
* Validate a string. |
760
|
|
|
* |
761
|
|
|
* @param mixed $value The value to validate. |
762
|
|
|
* @param ValidationField $field The validation results to add. |
763
|
|
|
* @return string|null Returns the valid string or **null** if validation fails. |
764
|
|
|
*/ |
765
|
49 |
|
private function validateString($value, ValidationField $field) { |
766
|
49 |
|
if (is_string($value) || is_numeric($value)) { |
767
|
47 |
|
$value = $result = (string)$value; |
768
|
47 |
|
} else { |
769
|
3 |
|
$field->addTypeError('string'); |
770
|
3 |
|
return null; |
771
|
|
|
} |
772
|
|
|
|
773
|
47 |
|
if (($minLength = $field->val('minLength', 0)) > 0 && mb_strlen($value) < $minLength) { |
774
|
4 |
|
if (!empty($field->getName()) && $minLength === 1) { |
775
|
2 |
|
$field->addError('missingField', ['messageCode' => '{field} is required.', 'status' => 422]); |
776
|
2 |
|
} else { |
777
|
2 |
|
$field->addError( |
778
|
2 |
|
'minLength', |
779
|
|
|
[ |
780
|
2 |
|
'messageCode' => '{field} should be at least {minLength} {minLength,plural,character} long.', |
781
|
2 |
|
'minLength' => $minLength, |
782
|
|
|
'status' => 422 |
783
|
2 |
|
] |
784
|
2 |
|
); |
785
|
|
|
} |
786
|
4 |
|
$result = null; |
787
|
4 |
|
} |
788
|
47 |
|
if (($maxLength = $field->val('maxLength', 0)) > 0 && mb_strlen($value) > $maxLength) { |
789
|
1 |
|
$field->addError( |
790
|
1 |
|
'maxLength', |
791
|
|
|
[ |
792
|
1 |
|
'messageCode' => '{field} is {overflow} {overflow,plural,characters} too long.', |
793
|
1 |
|
'maxLength' => $maxLength, |
794
|
1 |
|
'overflow' => mb_strlen($value) - $maxLength, |
795
|
|
|
'status' => 422 |
796
|
1 |
|
] |
797
|
1 |
|
); |
798
|
1 |
|
$result = null; |
799
|
1 |
|
} |
800
|
47 |
|
if ($pattern = $field->val('pattern')) { |
801
|
4 |
|
$regex = '`'.str_replace('`', preg_quote('`', '`'), $pattern).'`'; |
802
|
|
|
|
803
|
4 |
|
if (!preg_match($regex, $value)) { |
804
|
2 |
|
$field->addError( |
805
|
2 |
|
'invalid', |
806
|
|
|
[ |
807
|
2 |
|
'messageCode' => '{field} is in the incorrect format.', |
808
|
|
|
'status' => 422 |
809
|
2 |
|
] |
810
|
2 |
|
); |
811
|
2 |
|
} |
812
|
4 |
|
$result = null; |
813
|
4 |
|
} |
814
|
47 |
|
if ($format = $field->val('format')) { |
815
|
15 |
|
$type = $format; |
816
|
|
|
switch ($format) { |
817
|
15 |
|
case 'date-time': |
818
|
4 |
|
$result = $this->validateDatetime($result, $field); |
819
|
4 |
|
if ($result instanceof \DateTimeInterface) { |
820
|
4 |
|
$result = $result->format(\DateTime::RFC3339); |
821
|
4 |
|
} |
822
|
4 |
|
break; |
823
|
11 |
|
case 'email': |
824
|
1 |
|
$result = filter_var($result, FILTER_VALIDATE_EMAIL); |
825
|
1 |
|
break; |
826
|
10 |
|
case 'ipv4': |
827
|
1 |
|
$type = 'IPv4 address'; |
|
|
|
|
828
|
1 |
|
$result = filter_var($result, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4); |
829
|
1 |
|
break; |
830
|
9 |
|
case 'ipv6': |
831
|
1 |
|
$type = 'IPv6 address'; |
|
|
|
|
832
|
1 |
|
$result = filter_var($result, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6); |
833
|
1 |
|
break; |
834
|
8 |
|
case 'ip': |
835
|
1 |
|
$type = 'IP address'; |
|
|
|
|
836
|
1 |
|
$result = filter_var($result, FILTER_VALIDATE_IP); |
837
|
1 |
|
break; |
838
|
7 |
|
case 'uri': |
839
|
7 |
|
$type = 'URI'; |
|
|
|
|
840
|
7 |
|
$result = filter_var($result, FILTER_VALIDATE_URL, FILTER_FLAG_HOST_REQUIRED | FILTER_FLAG_SCHEME_REQUIRED); |
841
|
7 |
|
break; |
842
|
|
|
default: |
843
|
|
|
trigger_error("Unrecognized format '$format'.", E_USER_NOTICE); |
844
|
|
|
} |
845
|
15 |
|
if ($result === false) { |
846
|
5 |
|
$field->addTypeError($type); |
847
|
5 |
|
} |
848
|
15 |
|
} |
849
|
|
|
|
850
|
47 |
|
return $result; |
851
|
|
|
} |
852
|
|
|
|
853
|
|
|
/** |
854
|
|
|
* Validate a unix timestamp. |
855
|
|
|
* |
856
|
|
|
* @param mixed $value The value to validate. |
857
|
|
|
* @param ValidationField $field The field being validated. |
858
|
|
|
* @return int|null Returns a valid timestamp or **null** if the value doesn't validate. |
859
|
|
|
*/ |
860
|
6 |
|
private function validateTimestamp($value, ValidationField $field) { |
861
|
6 |
|
if (is_numeric($value) && $value > 0) { |
862
|
1 |
|
$result = (int)$value; |
863
|
6 |
|
} elseif (is_string($value) && $ts = strtotime($value)) { |
864
|
1 |
|
$result = $ts; |
865
|
1 |
|
} else { |
866
|
4 |
|
$field->addTypeError('timestamp'); |
867
|
4 |
|
$result = null; |
868
|
|
|
} |
869
|
6 |
|
return $result; |
870
|
|
|
} |
871
|
|
|
|
872
|
|
|
/** |
873
|
|
|
* Validate a value against an enum. |
874
|
|
|
* |
875
|
|
|
* @param mixed $value The value to test. |
876
|
|
|
* @param ValidationField $field The validation object for adding errors. |
877
|
|
|
* @return bool Returns **true** if the value one of the enumerated values or **false** otherwise. |
878
|
|
|
*/ |
879
|
105 |
|
private function validateEnum($value, ValidationField $field) { |
880
|
105 |
|
$enum = $field->val('enum'); |
881
|
105 |
|
if (empty($enum)) { |
882
|
104 |
|
return true; |
883
|
|
|
} |
884
|
|
|
|
885
|
1 |
|
if (!in_array($value, $enum, true)) { |
886
|
1 |
|
$field->addError( |
887
|
1 |
|
'invalid', |
888
|
|
|
[ |
889
|
1 |
|
'messageCode' => '{field} must be one of: {enum}.', |
890
|
1 |
|
'enum' => $enum, |
891
|
|
|
'status' => 422 |
892
|
1 |
|
] |
893
|
1 |
|
); |
894
|
1 |
|
return false; |
895
|
|
|
} |
896
|
1 |
|
return true; |
897
|
|
|
} |
898
|
|
|
|
899
|
|
|
/** |
900
|
|
|
* Specify data which should be serialized to JSON. |
901
|
|
|
* |
902
|
|
|
* This method specifically returns data compatible with the JSON schema format. |
903
|
|
|
* |
904
|
|
|
* @return mixed Returns data which can be serialized by **json_encode()**, which is a value of any type other than a resource. |
905
|
|
|
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php |
906
|
|
|
* @link http://json-schema.org/ |
907
|
|
|
*/ |
908
|
|
|
public function jsonSerialize() { |
909
|
15 |
|
$fix = function ($schema) use (&$fix) { |
910
|
15 |
|
if ($schema instanceof Schema) { |
911
|
1 |
|
return $schema->jsonSerialize(); |
912
|
|
|
} |
913
|
|
|
|
914
|
15 |
|
if (!empty($schema['type'])) { |
915
|
|
|
// Swap datetime and timestamp to other types with formats. |
916
|
14 |
|
if ($schema['type'] === 'datetime') { |
917
|
3 |
|
$schema['type'] = 'string'; |
|
|
|
|
918
|
3 |
|
$schema['format'] = 'date-time'; |
919
|
14 |
|
} elseif ($schema['type'] === 'timestamp') { |
920
|
3 |
|
$schema['type'] = 'integer'; |
|
|
|
|
921
|
3 |
|
$schema['format'] = 'timestamp'; |
922
|
3 |
|
} |
923
|
14 |
|
} |
924
|
|
|
|
925
|
15 |
|
if (!empty($schema['items'])) { |
926
|
4 |
|
$schema['items'] = $fix($schema['items']); |
927
|
4 |
|
} |
928
|
15 |
|
if (!empty($schema['properties'])) { |
929
|
11 |
|
$properties = []; |
930
|
11 |
|
foreach ($schema['properties'] as $key => $property) { |
931
|
11 |
|
$properties[$key] = $fix($property); |
932
|
11 |
|
} |
933
|
11 |
|
$schema['properties'] = $properties; |
934
|
11 |
|
} |
935
|
|
|
|
936
|
15 |
|
return $schema; |
937
|
15 |
|
}; |
938
|
|
|
|
939
|
15 |
|
$result = $fix($this->schema); |
940
|
|
|
|
941
|
15 |
|
return $result; |
942
|
|
|
} |
943
|
|
|
|
944
|
|
|
/** |
945
|
|
|
* Look up a type based on its alias. |
946
|
|
|
* |
947
|
|
|
* @param string $alias The type alias or type name to lookup. |
948
|
|
|
* @return mixed |
949
|
|
|
*/ |
950
|
9 |
|
private function getType($alias) { |
951
|
9 |
|
if (isset(self::$types[$alias])) { |
952
|
2 |
|
$type = self::$types[$alias]; |
953
|
9 |
|
} elseif (array_search($alias, self::$types) !== false) { |
954
|
|
|
$type = $alias; |
955
|
|
|
} else { |
956
|
8 |
|
$type = null; |
957
|
|
|
} |
958
|
9 |
|
return $type; |
959
|
|
|
} |
960
|
|
|
|
961
|
|
|
/** |
962
|
|
|
* Get the class that's used to contain validation information. |
963
|
|
|
* |
964
|
|
|
* @return Validation|string Returns the validation class. |
965
|
|
|
*/ |
966
|
106 |
|
public function getValidationClass() { |
967
|
106 |
|
return $this->validationClass; |
968
|
|
|
} |
969
|
|
|
|
970
|
|
|
/** |
971
|
|
|
* Set the class that's used to contain validation information. |
972
|
|
|
* |
973
|
|
|
* @param Validation|string $class Either the name of a class or a class that will be cloned. |
974
|
|
|
* @return $this |
975
|
|
|
*/ |
976
|
1 |
|
public function setValidationClass($class) { |
977
|
1 |
|
if (!is_a($class, Validation::class, true)) { |
978
|
|
|
throw new \InvalidArgumentException("$class must be a subclass of ".Validation::class, 500); |
979
|
|
|
} |
980
|
|
|
|
981
|
1 |
|
$this->validationClass = $class; |
982
|
1 |
|
return $this; |
983
|
|
|
} |
984
|
|
|
|
985
|
|
|
/** |
986
|
|
|
* Create a new validation instance. |
987
|
|
|
* |
988
|
|
|
* @return Validation Returns a validation object. |
989
|
|
|
*/ |
990
|
106 |
|
protected function createValidation() { |
991
|
106 |
|
$class = $this->getValidationClass(); |
992
|
|
|
|
993
|
106 |
|
if ($class instanceof Validation) { |
994
|
1 |
|
$result = clone $class; |
995
|
1 |
|
} else { |
996
|
106 |
|
$result = new $class; |
997
|
|
|
} |
998
|
106 |
|
return $result; |
999
|
|
|
} |
1000
|
|
|
} |
1001
|
|
|
|
This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.