73 lines
1.8 KiB
PHP
73 lines
1.8 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
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namespace Icinga\Web\Form\Validator;
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use Zend_Validate_Abstract;
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/**
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* Validator that interprets the value as a path and checks if it's writable
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*/
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class WritablePathValidator extends Zend_Validate_Abstract
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{
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const NOT_WRITABLE = 'notWritable';
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const DOES_NOT_EXIST = 'doesNotExist';
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/**
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* The messages to write on differen error states
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*
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* @var array
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*
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* @see Zend_Validate_Abstract::$_messageTemplates‚
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*/
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protected $_messageTemplates = array(
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self::NOT_WRITABLE => 'Path is not writable',
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self::DOES_NOT_EXIST => 'Path does not exist'
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);
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/**
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* When true, the file or directory must exist
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*
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* @var bool
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*/
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private $requireExistence = false;
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/**
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* Set this validator to require the target file to exist
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*/
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public function setRequireExistence()
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{
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$this->requireExistence = true;
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}
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/**
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* Check whether the given value is writable path
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*
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* @param string $value The value submitted in the form
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* @param mixed $context The context of the form
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*
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* @return bool True when validation worked, otherwise false
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*
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* @see Zend_Validate_Abstract::isValid()
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*/
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public function isValid($value, $context = null)
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{
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$value = (string) $value;
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$this->_setValue($value);
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if ($this->requireExistence && !file_exists($value)) {
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$this->_error(self::DOES_NOT_EXIST);
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return false;
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}
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if ((file_exists($value) && is_writable($value)) ||
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(is_dir(dirname($value)) && is_writable(dirname($value)))
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) {
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return true;
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}
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$this->_error(self::NOT_WRITABLE);
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return false;
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}
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}
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