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<?php |
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/** |
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* Created with PHP 5.6 generator |
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* User: |
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* PHP 5.6 generator created by Victor MECH - April 2016 |
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*/ |
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namespace LazyEight\DiTesto; |
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use LazyEight\DiTesto\Exceptions\InvalidFileLocationException; |
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use LazyEight\DiTesto\Exceptions\InvalidFileTypeException; |
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use LazyEight\DiTesto\ValueObject\FileLocation; |
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class TextFileValidator |
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{ |
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/** |
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* @var FileLocation |
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*/ |
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protected $location; |
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/** |
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* @var string |
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*/ |
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private $allowedMimeType = 'text/plain'; |
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/** |
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* @param FileLocation $location |
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*/ |
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public function __construct(FileLocation $location) |
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{ |
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$this->location = $location; |
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} |
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/** |
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* @throws InvalidFileLocationException |
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* @throws InvalidFileTypeException |
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* @return bool |
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*/ |
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public function validate() |
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{ |
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$this->validateFileLocation(); |
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$this->validateFileContent(); |
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return true; |
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} |
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/** |
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* @throws InvalidFileLocationException If file not exists |
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*/ |
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protected function validateFileLocation() |
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{ |
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if (!file_exists($this->location->getValue())) { |
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throw new InvalidFileLocationException('File not exists!', 101); |
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} |
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} |
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/** |
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* @throws InvalidFileTypeException |
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*/ |
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protected function validateFileContent() |
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{ |
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$fileInfo = finfo_open(FILEINFO_MIME_TYPE); |
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$rawInfo = finfo_file($fileInfo, $this->location->getValue()); |
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if ($rawInfo !== $this->allowedMimeType) { |
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throw new InvalidFileTypeException($this->getFileContentErrorMessage($rawInfo)); |
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} |
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} |
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/** |
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* @return FileLocation |
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*/ |
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public function getFileLocation() |
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{ |
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return clone $this->location; |
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} |
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/** |
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* @param $rawInfo object created by finfo_file function |
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* @return string Error message for when the things going wrong with the mimeType of the file |
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*/ |
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protected function getFileContentErrorMessage($rawInfo) |
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{ |
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return 'Invalid file type. Found '. $rawInfo . ' when ' .$this->allowedMimeType . ' was expected'; |
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} |
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} |
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victormech /
ditesto
