public function H5PValidatorImport::isValidPackage in Opigno module 8

Same name and namespace in other branches

1. 3.x src/H5PImportClasses/H5PValidatorImport.php \Drupal\opigno_module\H5PImportClasses\H5PValidatorImport::isValidPackage()

Validates a .h5p file.

Parameters

bool $skipContent: Skip package content.

bool $upgradeOnly: Only update library flag.

Return value

bool TRUE if the .h5p file is valid.

File

src/H5PImportClasses/H5PValidatorImport.php, line 21

Class

H5PValidatorImport

This class is used for validating H5P files.

Namespace

Drupal\opigno_module\H5PImportClasses

Code

public function isValidPackage($skipContent = FALSE, $upgradeOnly = FALSE) {

  // Check dependencies, make sure Zip is present.
  if (!class_exists('ZipArchive')) {
    $this->h5pF
      ->setErrorMessage($this->h5pF
      ->t('Your PHP version does not support ZipArchive.'), 'zip-archive-unsupported');
    return FALSE;
  }

  // Create a temporary dir to extract package in.
  $tmpDir = $this->h5pF
    ->getUploadedH5pFolderPath();
  $tmpPath = $this->h5pF
    ->getUploadedH5pPath();

  // Extract and then remove the package file.
  $zip = new \ZipArchive();

  // Only allow files with the .h5p extension:
  if (strtolower(substr($tmpPath, -3)) !== 'h5p') {
    $this->h5pF
      ->setErrorMessage($this->h5pF
      ->t('The file you uploaded is not a valid HTML5 Package (It does not have the .h5p file extension)'), 'missing-h5p-extension');
    H5PStorageImport::deleteFileTree($tmpDir);
    return FALSE;
  }
  if ($zip
    ->open($tmpPath) === TRUE) {
    $zip
      ->extractTo($tmpDir);
    $zip
      ->close();
  }
  else {
    $this->h5pF
      ->setErrorMessage($this->h5pF
      ->t('The file you uploaded is not a valid HTML5 Package (We are unable to unzip it)'), 'unable-to-unzip');
    H5PStorageImport::deleteFileTree($tmpDir);
    return FALSE;
  }
  unlink($tmpPath);

  // Process content and libraries.
  $valid = TRUE;
  $libraries = [];
  $files = scandir($tmpDir);
  foreach ($files as $file) {
    if (in_array(substr($file, 0, 1), [
      '.',
      '_',
    ])) {
      continue;
    }
    $filePath = $tmpDir . DIRECTORY_SEPARATOR . $file;
    if (strtolower($file) != 'h5p.json' && $file != 'content') {
      $libraryH5PData = $this
        ->getLibraryData($file, $filePath, $tmpDir);
      if ($libraryH5PData !== FALSE) {
        $libraryH5PData['uploadDirectory'] = $filePath;
        $libraries[self::libraryToString($libraryH5PData)] = $libraryH5PData;
      }
      else {
        $valid = FALSE;
      }
    }
  }
  if ($valid) {
    $this->h5pC->librariesJsonData = $libraries;
  }
  if (!$valid) {
    H5PStorageImport::deleteFileTree($tmpDir);
  }
  return $valid;
}