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139 lines
3.7 KiB
139 lines
3.7 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\validators; |
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use Yii; |
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/** |
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* UrlValidator validates that the attribute value is a valid http or https URL. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class UrlValidator extends Validator |
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{ |
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/** |
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* @var string the regular expression used to validate the attribute value. |
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* The pattern may contain a `{schemes}` token that will be replaced |
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* by a regular expression which represents the [[validSchemes]]. |
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*/ |
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public $pattern = '/^{schemes}:\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)/i'; |
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/** |
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* @var array list of URI schemes which should be considered valid. By default, http and https |
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* are considered to be valid schemes. |
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**/ |
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public $validSchemes = array('http', 'https'); |
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/** |
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* @var string the default URI scheme. If the input doesn't contain the scheme part, the default |
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* scheme will be prepended to it (thus changing the input). Defaults to null, meaning a URL must |
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* contain the scheme part. |
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**/ |
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public $defaultScheme; |
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/** |
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* Initializes the validator. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if ($this->message === null) { |
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$this->message = Yii::t('yii|{attribute} is not a valid URL.'); |
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} |
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} |
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/** |
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* Validates the attribute of the object. |
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* If there is any error, the error message is added to the object. |
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* @param \yii\base\Model $object the object being validated |
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* @param string $attribute the attribute being validated |
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*/ |
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public function validateAttribute($object, $attribute) |
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{ |
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$value = $object->$attribute; |
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if ($this->validateValue($value)) { |
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if ($this->defaultScheme !== null && strpos($value, '://') === false) { |
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$object->$attribute = $this->defaultScheme . '://' . $value; |
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} |
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} else { |
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$this->addError($object, $attribute, $this->message); |
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} |
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} |
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/** |
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* Validates the given value. |
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* @param mixed $value the value to be validated. |
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* @return boolean whether the value is valid. |
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*/ |
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public function validateValue($value) |
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{ |
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// make sure the length is limited to avoid DOS attacks |
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if (is_string($value) && strlen($value) < 2000) { |
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if ($this->defaultScheme !== null && strpos($value, '://') === false) { |
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$value = $this->defaultScheme . '://' . $value; |
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} |
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if (strpos($this->pattern, '{schemes}') !== false) { |
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$pattern = str_replace('{schemes}', '(' . implode('|', $this->validSchemes) . ')', $this->pattern); |
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} else { |
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$pattern = $this->pattern; |
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} |
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if (preg_match($pattern, $value)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Returns the JavaScript needed for performing client-side validation. |
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* @param \yii\base\Model $object the data object being validated |
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* @param string $attribute the name of the attribute to be validated. |
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* @return string the client-side validation script. |
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* @see \yii\Web\ActiveForm::enableClientValidation |
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*/ |
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public function clientValidateAttribute($object, $attribute) |
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{ |
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$message = strtr($this->message, array( |
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'{attribute}' => $object->getAttributeLabel($attribute), |
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'{value}' => $object->$attribute, |
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)); |
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if (strpos($this->pattern, '{schemes}') !== false) { |
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$pattern = str_replace('{schemes}', '(' . implode('|', $this->validSchemes) . ')', $this->pattern); |
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} else { |
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$pattern = $this->pattern; |
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} |
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$js = " |
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if(!value.match($pattern)) { |
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messages.push(" . json_encode($message) . "); |
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} |
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"; |
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if ($this->defaultScheme !== null) { |
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$js = " |
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if(!value.match(/:\\/\\//)) { |
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value=" . json_encode($this->defaultScheme) . "+'://'+value; |
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} |
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$js |
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"; |
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} |
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if ($this->skipOnEmpty) { |
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$js = " |
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if($.trim(value)!='') { |
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$js |
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} |
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"; |
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} |
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return $js; |
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} |
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} |
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