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<?php |
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/** |
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* League.Uri (http://uri.thephpleague.com) |
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* |
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* @package League.uri |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @copyright 2013-2015 Ignace Nyamagana Butera |
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* @license https://github.com/thephpleague/uri/blob/master/LICENSE (MIT License) |
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* @version 4.1.0 |
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* @link https://github.com/thephpleague/uri/ |
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*/ |
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namespace League\Uri\Components; |
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use InvalidArgumentException; |
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/** |
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* A Trait to validate a Hostname |
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* |
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* @package League.uri |
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* @author Ignace Nyamagana Butera <[email protected]> |
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* @since 4.0.0 |
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*/ |
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trait HostnameTrait |
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{ |
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/** |
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* Tells whether we have a IDN or not |
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* |
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* @var bool |
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*/ |
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protected $isIdn = false; |
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/** |
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* Format an label collection for string representation of the Host |
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* |
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* @param array $labels host labels |
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* @param bool $convert should we transcode the labels into their ascii equivalent |
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* |
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* @return array |
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*/ |
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protected function convertToAscii(array $labels, $convert) |
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{ |
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return $convert ? array_map('idn_to_ascii', $labels) : $labels; |
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} |
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/** |
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* Validate a string only host |
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* |
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* @param string $str |
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* |
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* @return array |
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*/ |
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protected function validateStringHost($str) |
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{ |
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if ('' === $str) { |
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return []; |
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} |
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$host = $this->lower($this->setIsAbsolute($str)); |
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$raw_labels = explode('.', $host); |
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$labels = array_map(function ($value) { |
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return idn_to_ascii($value); |
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}, $raw_labels); |
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544 |
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$this->assertValidHost($labels); |
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$this->isIdn = $raw_labels !== $labels; |
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534 |
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return array_reverse(array_map(function ($label) { |
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return idn_to_utf8($label); |
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}, $labels)); |
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} |
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534 |
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/** |
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* set the FQDN property |
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* |
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* @param string $str |
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490 |
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* |
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* @return string |
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*/ |
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abstract protected function setIsAbsolute($str); |
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/** |
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* Convert to lowercase a string without modifying unicode characters |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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protected function lower($str) |
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{ |
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return preg_replace_callback('/[A-Z]+/', function ($matches) { |
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return strtolower($matches[0]); |
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}, $str); |
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} |
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/** |
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* Validate a String Label |
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* |
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* @param array $labels found host labels |
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* |
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* @throws InvalidArgumentException If the validation fails |
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*/ |
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protected function assertValidHost(array $labels) |
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{ |
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$verifs = array_filter($labels, function ($value) { |
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return '' !== trim($value); |
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}); |
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if ($verifs !== $labels) { |
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throw new InvalidArgumentException('Invalid Hostname, empty labels are not allowed'); |
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} |
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$this->assertLabelsCount($labels); |
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$this->isValidContent($labels); |
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} |
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/** |
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* Validated the Host Label Count |
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* |
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* @param array $labels host labels |
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524 |
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* |
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* @throws InvalidArgumentException If the validation fails |
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*/ |
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abstract protected function assertLabelsCount(array $labels); |
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/** |
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* Validated the Host Label Pattern |
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* |
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* @param array $data host labels |
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* |
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* @throws InvalidArgumentException If the validation fails |
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*/ |
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protected function isValidContent(array $data) |
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{ |
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if (count(preg_grep('/^[0-9a-z]([0-9a-z-]{0,61}[0-9a-z])?$/i', $data, PREG_GREP_INVERT))) { |
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throw new InvalidArgumentException('Invalid Hostname, some labels contain invalid characters'); |
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} |
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} |
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} |
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thephpleague /
uri
