/** * {@inheritdoc} */ public static function value(array &$element, &$input, FormStateInterface $form_state) { if (!empty($input['filefield_flysystem']['filename'])) { $instance = entity_load('field_config', $element['#entity_type'] . '.' . $element['#bundle'] . '.' . $element['#field_name']); $filepath = $input['filefield_flysystem']['filename']; $directory = $element['#upload_location']; $mode = Settings::get('file_chmod_directory', FILE_CHMOD_DIRECTORY); if (!drupal_chmod($directory, $mode) && !file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) { \Drupal::logger('filefield_sources')->log(E_NOTICE, 'File %file could not be copied, because the destination directory %destination is not configured correctly.', array('%file' => $filepath, '%destination' => drupal_realpath($directory))); drupal_set_message(t('The specified file %file could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array('%file' => $filepath)), 'error'); return; } // Clean up the file name extensions and transliterate. $original_filepath = $filepath; $new_filepath = filefield_sources_clean_filename($filepath, $instance->getSetting('file_extensions')); rename($filepath, $new_filepath); $filepath = $new_filepath; // Run all the normal validations, minus file size restrictions. $validators = $element['#upload_validators']; if (isset($validators['file_validate_size'])) { unset($validators['file_validate_size']); } // Serve files from source folder directly. if ($element['#filefield_sources_settings']['flysystem']['attach_mode'] == FILEFIELD_SOURCE_FLYSYSTEM_ATTACH_MODE_SERVEFROMFOLDER) { $directory = $filepath; if ($file = filefield_sources_flysystem_save_file_servefromattach($filepath, $validators, $directory)) { if (!in_array($file->id(), $input['fids'])) { $input['fids'][] = $file->id(); } } } else { if ($file = filefield_sources_save_file($filepath, $validators, $directory)) { if (!in_array($file->id(), $input['fids'])) { $input['fids'][] = $file->id(); } // Delete the original file if "moving" the file instead of copying. if ($element['#filefield_sources_settings']['flysystem']['attach_mode'] !== FILEFIELD_SOURCE_FLYSYSTEM_ATTACH_MODE_COPY) { @unlink($filepath); } } } // Restore the original file name if the file still exists. if (file_exists($filepath) && $filepath != $original_filepath) { rename($filepath, $original_filepath); } $input['filefield_flysystem']['filename'] = ''; } }
/** * {@inheritdoc} */ public static function value(array &$element, &$input, FormStateInterface $form_state) { if (isset($input['filefield_clipboard']['contents']) && strlen($input['filefield_clipboard']['contents']) > 0) { // Check that the destination is writable. $temporary_directory = 'temporary://'; if (!file_prepare_directory($temporary_directory, FILE_MODIFY_PERMISSIONS)) { \Drupal::logger('filefield_sources')->log(E_NOTICE, 'The directory %directory is not writable, because it does not have the correct permissions set.', array('%directory' => drupal_realpath($temporary_directory))); drupal_set_message(t('The file could not be transferred because the temporary directory is not writable.'), 'error'); return; } // Check that the destination is writable. $directory = $element['#upload_location']; $mode = Settings::get('file_chmod_directory', FILE_CHMOD_DIRECTORY); // This first chmod check is for other systems such as S3, which don't // work with file_prepare_directory(). if (!drupal_chmod($directory, $mode) && !file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) { $url = $input['filefield_clipboard']['filename']; \Drupal::logger('filefield_sources')->log(E_NOTICE, 'File %file could not be copied, because the destination directory %destination is not configured correctly.', array('%file' => $url, '%destination' => drupal_realpath($directory))); drupal_set_message(t('The specified file %file could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array('%file' => $url)), 'error'); return; } // Split the file information in mimetype and base64 encoded binary. $base64_data = $input['filefield_clipboard']['contents']; $comma_position = strpos($base64_data, ','); $semicolon_position = strpos($base64_data, ';'); $file_contents = base64_decode(substr($base64_data, $comma_position + 1)); $mimetype = substr($base64_data, 5, $semicolon_position - 5); $extension = \Drupal::service('file.mime_type.guesser.extension')->convertMimeTypeToExtension($mimetype); $filename = trim($input['filefield_clipboard']['filename']); $filename = preg_replace('/\\.[a-z0-9]{3,4}$/', '', $filename); $filename = (empty($filename) ? 'paste_' . REQUEST_TIME : $filename) . '.' . $extension; $filepath = file_create_filename($filename, $temporary_directory); $copy_success = FALSE; if ($fp = @fopen($filepath, 'w')) { fwrite($fp, $file_contents); fclose($fp); $copy_success = TRUE; } if ($copy_success && ($file = filefield_sources_save_file($filepath, $element['#upload_validators'], $element['#upload_location']))) { if (!in_array($file->id(), $input['fids'])) { $input['fids'][] = $file->id(); } } // Remove the temporary file generated from paste. @unlink($filepath); } }
/** * {@inheritdoc} */ public static function value(array &$element, &$input, FormStateInterface $form_state) { if (isset($input['filefield_remote']['url']) && strlen($input['filefield_remote']['url']) > 0 && UrlHelper::isValid($input['filefield_remote']['url']) && $input['filefield_remote']['url'] != FILEFIELD_SOURCE_REMOTE_HINT_TEXT) { $field = entity_load('field_config', $element['#entity_type'] . '.' . $element['#bundle'] . '.' . $element['#field_name']); $url = $input['filefield_remote']['url']; // Check that the destination is writable. $temporary_directory = 'temporary://'; if (!file_prepare_directory($temporary_directory, FILE_MODIFY_PERMISSIONS)) { \Drupal::logger('filefield_sources')->log(E_NOTICE, 'The directory %directory is not writable, because it does not have the correct permissions set.', array('%directory' => drupal_realpath($temporary_directory))); drupal_set_message(t('The file could not be transferred because the temporary directory is not writable.'), 'error'); return; } // Check that the destination is writable. $directory = $element['#upload_location']; $mode = Settings::get('file_chmod_directory', FILE_CHMOD_DIRECTORY); // This first chmod check is for other systems such as S3, which don't // work with file_prepare_directory(). if (!drupal_chmod($directory, $mode) && !file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) { \Drupal::logger('filefield_sources')->log(E_NOTICE, 'File %file could not be copied, because the destination directory %destination is not configured correctly.', array('%file' => $url, '%destination' => drupal_realpath($directory))); drupal_set_message(t('The specified file %file could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array('%file' => $url)), 'error'); return; } // Check the headers to make sure it exists and is within the allowed // size. $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, TRUE); curl_setopt($ch, CURLOPT_NOBODY, TRUE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HEADERFUNCTION, array(get_called_class(), 'parseHeader')); // Causes a warning if PHP safe mode is on. @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); curl_exec($ch); $info = curl_getinfo($ch); if ($info['http_code'] != 200) { curl_setopt($ch, CURLOPT_HTTPGET, TRUE); $file_contents = curl_exec($ch); $info = curl_getinfo($ch); } curl_close($ch); if ($info['http_code'] != 200) { switch ($info['http_code']) { case 403: $form_state->setError($element, t('The remote file could not be transferred because access to the file was denied.')); break; case 404: $form_state->setError($element, t('The remote file could not be transferred because it was not found.')); break; default: $form_state->setError($element, t('The remote file could not be transferred due to an HTTP error (@code).', array('@code' => $info['http_code']))); } return; } // Update the $url variable to reflect any redirects. $url = $info['url']; $url_info = parse_url($url); // Determine the proper filename by reading the filename given in the // Content-Disposition header. If the server fails to send this header, // fall back on the basename of the URL. // // We prefer to use the Content-Disposition header, because we can then // use URLs like http://example.com/get_file/23 which would otherwise be // rejected because the URL basename lacks an extension. $filename = static::filename(); if (empty($filename)) { $filename = rawurldecode(basename($url_info['path'])); } $pathinfo = pathinfo($filename); // Create the file extension from the MIME header if all else has failed. if (empty($pathinfo['extension']) && ($extension = static::mimeExtension())) { $filename = $filename . '.' . $extension; $pathinfo = pathinfo($filename); } $filename = filefield_sources_clean_filename($filename, $field->getSetting('file_extensions')); $filepath = file_create_filename($filename, $temporary_directory); if (empty($pathinfo['extension'])) { $form_state->setError($element, t('The remote URL must be a file and have an extension.')); return; } // Perform basic extension check on the file before trying to transfer. $extensions = $field->getSetting('file_extensions'); $regex = '/\\.(' . preg_replace('/[ +]/', '|', preg_quote($extensions)) . ')$/i'; if (!empty($extensions) && !preg_match($regex, $filename)) { $form_state->setError($element, t('Only files with the following extensions are allowed: %files-allowed.', array('%files-allowed' => $extensions))); return; } // Check file size based off of header information. if (!empty($element['#upload_validators']['file_validate_size'][0])) { $max_size = $element['#upload_validators']['file_validate_size'][0]; $file_size = $info['download_content_length']; if ($file_size > $max_size) { $form_state->setError($element, t('The remote file is %filesize exceeding the maximum file size of %maxsize.', array('%filesize' => format_size($file_size), '%maxsize' => format_size($max_size)))); return; } } // Set progress bar information. $options = array('key' => $element['#entity_type'] . '_' . $element['#bundle'] . '_' . $element['#field_name'] . '_' . $element['#delta'], 'filepath' => $filepath); static::setTransferOptions($options); $transfer_success = FALSE; // If we've already downloaded the entire file because the // header-retrieval failed, just ave the contents we have. if (isset($file_contents)) { if ($fp = @fopen($filepath, 'w')) { fwrite($fp, $file_contents); fclose($fp); $transfer_success = TRUE; } } else { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, FALSE); curl_setopt($ch, CURLOPT_WRITEFUNCTION, array(get_called_class(), 'curlWrite')); // Causes a warning if PHP safe mode is on. @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); $transfer_success = curl_exec($ch); curl_close($ch); } if ($transfer_success && ($file = filefield_sources_save_file($filepath, $element['#upload_validators'], $element['#upload_location']))) { if (!in_array($file->id(), $input['fids'])) { $input['fids'][] = $file->id(); } } // Delete the temporary file. @unlink($filepath); } }