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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator;
use Traversable;
use Zend\Uri\Exception\ExceptionInterface as UriException;
use Zend\Uri\Uri as UriHandler;
use Zend\Validator\Exception\InvalidArgumentException;
class Uri extends AbstractValidator
{
const INVALID = 'uriInvalid';
const NOT_URI = 'notUri';
/**
* @var array
*/
protected $messageTemplates = array(
self::INVALID => "Invalid type given. String expected",
self::NOT_URI => "The input does not appear to be a valid Uri",
);
/**
* @var UriHandler
*/
protected $uriHandler;
/**
* @var bool
*/
protected $allowRelative = true;
/**
* @var bool
*/
protected $allowAbsolute = true;
/**
* Sets default option values for this instance
*
* @param array|Traversable $options
*/
public function __construct($options = array())
{
if ($options instanceof Traversable) {
$options = iterator_to_array($options);
} elseif (!is_array($options)) {
$options = func_get_args();
$temp['uriHandler'] = array_shift($options);
if (!empty($options)) {
$temp['allowRelative'] = array_shift($options);
}
if (!empty($options)) {
$temp['allowAbsolute'] = array_shift($options);
}
$options = $temp;
}
if (isset($options['uriHandler'])) {
$this->setUriHandler($options['uriHandler']);
}
if (isset($options['allowRelative'])) {
$this->setAllowRelative($options['allowRelative']);
}
if (isset($options['allowAbsolute'])) {
$this->setAllowAbsolute($options['allowAbsolute']);
}
parent::__construct($options);
}
/**
* @throws InvalidArgumentException
* @return UriHandler
*/
public function getUriHandler()
{
if (null === $this->uriHandler) {
// Lazy load the base Uri handler
$this->uriHandler = new UriHandler();
} elseif (is_string($this->uriHandler) && class_exists($this->uriHandler)) {
// Instantiate string Uri handler that references a class
$this->uriHandler = new $this->uriHandler;
}
if (! $this->uriHandler instanceof UriHandler) {
throw new InvalidArgumentException('URI handler is expected to be a Zend\Uri\Uri object');
}
return $this->uriHandler;
}
/**
* @param UriHandler $uriHandler
* @throws InvalidArgumentException
* @return Uri
*/
public function setUriHandler($uriHandler)
{
if (! is_subclass_of($uriHandler, 'Zend\Uri\Uri')) {
throw new InvalidArgumentException('Expecting a subclass name or instance of Zend\Uri\Uri as $uriHandler');
}
$this->uriHandler = $uriHandler;
return $this;
}
/**
* Returns the allowAbsolute option
*
* @return bool
*/
public function getAllowAbsolute()
{
return $this->allowAbsolute;
}
/**
* Sets the allowAbsolute option
*
* @param bool $allowAbsolute
* @return Uri
*/
public function setAllowAbsolute($allowAbsolute)
{
$this->allowAbsolute = (bool) $allowAbsolute;
return $this;
}
/**
* Returns the allowRelative option
*
* @return bool
*/
public function getAllowRelative()
{
return $this->allowRelative;
}
/**
* Sets the allowRelative option
*
* @param bool $allowRelative
* @return Uri
*/
public function setAllowRelative($allowRelative)
{
$this->allowRelative = (bool) $allowRelative;
return $this;
}
/**
* Returns true if and only if $value validates as a Uri
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (!is_string($value)) {
$this->error(self::INVALID);
return false;
}
$uriHandler = $this->getUriHandler();
try {
$uriHandler->parse($value);
if ($uriHandler->isValid()) {
// It will either be a valid absolute or relative URI
if (($this->allowRelative && $this->allowAbsolute)
|| ($this->allowAbsolute && $uriHandler->isAbsolute())
|| ($this->allowRelative && $uriHandler->isValidRelative())
) {
return true;
}
}
} catch (UriException $ex) {
// Error parsing URI, it must be invalid
}
$this->error(self::NOT_URI);
return false;
}
}
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