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<?php |
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namespace Ottosmops\Pdfvalidate; |
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use Ottosmops\Pdfvalidate\Exceptions\FileNotFound; |
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use Ottosmops\Pdfvalidate\Exceptions\BinaryNotFound; |
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use Ottosmops\Pdfvalidate\Exceptions\MimeTypeIsNotPdf; |
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use Symfony\Component\Process\Process; |
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class Validator { |
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public $file; |
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public $error = ''; |
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public $process = ''; |
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public $output; |
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public $executable; |
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public function __construct($file, $executable = '') |
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{ |
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$this->executable = $executable ? $executable : 'pdftocairo'; |
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$this->checkExecutable(); |
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if (!is_file($file)) { |
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throw new FileNotFound($file); |
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} |
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if (!self::is_pdf($file)) { |
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throw new MimeTypeIsNotPdf($file); |
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} |
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$this->file = $file; |
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} |
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public static function validate($file, $executable = '') |
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{ |
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return (new static($file, $executable)); |
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} |
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public function checkExecutable() |
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{ |
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$process = new Process('which ' . $this->executable); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new BinaryNotFound($process); |
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} |
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return true; |
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} |
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public static function is_pdf($file) |
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{ |
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$finfo = finfo_open(FILEINFO_MIME_TYPE); |
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return finfo_file($finfo, $file) == 'application/pdf'; |
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} |
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public function check() |
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{ |
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$command = $this->executable . ' -pdf '. $this->file .' - 2>&1 >/dev/null'; |
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$process = new Process($command); |
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$process->run(); |
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$output = $process->getOutput(); |
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if (!$output) { |
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return true; |
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}; |
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if (mb_strpos($output, 'Error') !== false) { |
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$this->error = "Could open the PDF, but the PDF seems to be corrupted."; |
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} |
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if (mb_strpos($output, 'Error opening') !== false) { |
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$this->error = "Could not open the PDF."; |
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} |
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$this->output = $output; |
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return false; |
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} |
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} |
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ottosmops /
Pdfvalidate
