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<?php |
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namespace Sirius\Validation\Rule\Upload; |
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use Sirius\Validation\Rule\AbstractRule; |
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class Image extends AbstractRule |
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{ |
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const OPTION_ALLOWED_IMAGES = 'allowed'; |
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const MESSAGE = 'The file is not a valid image (only {image_types} are allowed)'; |
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const LABELED_MESSAGE = '{label} is not a valid image (only {image_types} are allowed)'; |
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protected $options = array( |
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self::OPTION_ALLOWED_IMAGES => array( 'jpg', 'png', 'gif' ) |
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); |
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protected $imageTypesMap = array( |
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IMAGETYPE_GIF => 'gif', |
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IMAGETYPE_JPEG => 'jpg', |
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IMAGETYPE_JPEG2000 => 'jpg', |
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IMAGETYPE_PNG => 'png', |
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IMAGETYPE_PSD => 'psd', |
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IMAGETYPE_BMP => 'bmp', |
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IMAGETYPE_ICO => 'ico', |
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); |
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public function setOption($name, $value) |
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{ |
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if ($name == self::OPTION_ALLOWED_IMAGES) { |
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if (is_string($value)) { |
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$value = explode(',', $value); |
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} |
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$value = array_map('trim', $value); |
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$value = array_map('strtolower', $value); |
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} |
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return parent::setOption($name, $value); |
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} |
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public function validate($value, $valueIdentifier = null) |
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{ |
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$this->value = $value; |
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if (! is_array($value) || ! isset($value['tmp_name'])) { |
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$this->success = false; |
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} elseif (! file_exists($value['tmp_name'])) { |
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$this->success = $value['error'] === UPLOAD_ERR_NO_FILE; |
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} else { |
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$imageInfo = getimagesize($value['tmp_name']); |
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$extension = isset($this->imageTypesMap[$imageInfo[2]]) ? $this->imageTypesMap[$imageInfo[2]] : false; |
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$this->success = ($extension && in_array($extension, $this->options[self::OPTION_ALLOWED_IMAGES])); |
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} |
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return $this->success; |
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} |
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public function getPotentialMessage() |
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{ |
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$message = parent::getPotentialMessage(); |
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$imageTypes = array_map('strtoupper', $this->options[self::OPTION_ALLOWED_IMAGES]); |
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$message->setVariables( |
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array( |
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'image_types' => implode(', ', $imageTypes) |
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) |
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); |
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return $message; |
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} |
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} |
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siriusphp /
validation
