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65 lines
1.7 KiB
PHP
65 lines
1.7 KiB
PHP
<?php
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/**
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* @see https://github.com/laminas/laminas-validator for the canonical source repository
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* @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
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* @license https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
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*/
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namespace Laminas\Validator;
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/**
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* Uuid validator.
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*/
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final class Uuid extends AbstractValidator
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{
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/**
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* Matches Uuid's versions 1 to 5.
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*/
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const REGEX_UUID = '/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/';
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const INVALID = 'valueNotUuid';
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const NOT_STRING = 'valueNotString';
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/**
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* @var array
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*/
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protected $messageTemplates = [
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self::NOT_STRING => 'Invalid type given; string expected',
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self::INVALID => 'Invalid UUID format',
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];
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/**
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* Returns true if and only if $value meets the validation requirements.
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*
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* If $value fails validation, then this method returns false, and
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* getMessages() will return an array of messages that explain why the
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* validation failed.
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*
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* @param mixed $value
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*
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* @return bool
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*
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* @throws Exception\RuntimeException If validation of $value is impossible
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*/
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public function isValid($value)
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{
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if (! is_string($value)) {
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$this->error(self::NOT_STRING);
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return false;
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}
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$this->setValue($value);
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if (empty($value)
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|| $value !== '00000000-0000-0000-0000-000000000000'
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&& ! preg_match(self::REGEX_UUID, $value)
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) {
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$this->error(self::INVALID);
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return false;
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}
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return true;
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}
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}
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