diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/composer/composer/autoload_classmap.php | 1 | ||||
| -rw-r--r-- | lib/composer/composer/autoload_static.php | 1 | ||||
| -rw-r--r-- | lib/private/Files/Stream/HashWrapper.php | 72 |
3 files changed, 74 insertions, 0 deletions
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php index c600c15068d..3b709fe8e98 100644 --- a/lib/composer/composer/autoload_classmap.php +++ b/lib/composer/composer/autoload_classmap.php @@ -1024,6 +1024,7 @@ return array( 'OC\\Files\\Storage\\Wrapper\\Quota' => $baseDir . '/lib/private/Files/Storage/Wrapper/Quota.php', 'OC\\Files\\Storage\\Wrapper\\Wrapper' => $baseDir . '/lib/private/Files/Storage/Wrapper/Wrapper.php', 'OC\\Files\\Stream\\Encryption' => $baseDir . '/lib/private/Files/Stream/Encryption.php', + 'OC\\Files\\Stream\\HashWrapper' => $baseDir . '/lib/private/Files/Stream/HashWrapper.php', 'OC\\Files\\Stream\\Quota' => $baseDir . '/lib/private/Files/Stream/Quota.php', 'OC\\Files\\Stream\\SeekableHttpStream' => $baseDir . '/lib/private/Files/Stream/SeekableHttpStream.php', 'OC\\Files\\Type\\Detection' => $baseDir . '/lib/private/Files/Type/Detection.php', diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php index 87a9460f77b..1c3d23011c6 100644 --- a/lib/composer/composer/autoload_static.php +++ b/lib/composer/composer/autoload_static.php @@ -1053,6 +1053,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c 'OC\\Files\\Storage\\Wrapper\\Quota' => __DIR__ . '/../../..' . '/lib/private/Files/Storage/Wrapper/Quota.php', 'OC\\Files\\Storage\\Wrapper\\Wrapper' => __DIR__ . '/../../..' . '/lib/private/Files/Storage/Wrapper/Wrapper.php', 'OC\\Files\\Stream\\Encryption' => __DIR__ . '/../../..' . '/lib/private/Files/Stream/Encryption.php', + 'OC\\Files\\Stream\\HashWrapper' => __DIR__ . '/../../..' . '/lib/private/Files/Stream/HashWrapper.php', 'OC\\Files\\Stream\\Quota' => __DIR__ . '/../../..' . '/lib/private/Files/Stream/Quota.php', 'OC\\Files\\Stream\\SeekableHttpStream' => __DIR__ . '/../../..' . '/lib/private/Files/Stream/SeekableHttpStream.php', 'OC\\Files\\Type\\Detection' => __DIR__ . '/../../..' . '/lib/private/Files/Type/Detection.php', diff --git a/lib/private/Files/Stream/HashWrapper.php b/lib/private/Files/Stream/HashWrapper.php new file mode 100644 index 00000000000..048e50794e8 --- /dev/null +++ b/lib/private/Files/Stream/HashWrapper.php @@ -0,0 +1,72 @@ +<?php declare(strict_types=1); +/** + * @copyright Copyright (c) 2020 Robin Appelman <robin@icewind.nl> + * + * @license GNU AGPL version 3 or any later version + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +namespace OC\Files\Stream; + +use Icewind\Streams\Wrapper; + +class HashWrapper extends Wrapper { + protected $callback; + protected $hash; + + public static function wrap($source, string $algo, callable $callback) { + $hash = hash_init($algo); + $context = stream_context_create([ + 'hash' => [ + 'source' => $source, + 'callback' => $callback, + 'hash' => $hash, + ], + ]); + return Wrapper::wrapSource($source, $context, 'hash', self::class); + } + + protected function open() { + $context = $this->loadContext('hash'); + + $this->callback = $context['callback']; + $this->hash = $context['hash']; + return true; + } + + public function dir_opendir($path, $options) { + return $this->open(); + } + + public function stream_open($path, $mode, $options, &$opened_path) { + return $this->open(); + } + + public function stream_read($count) { + $result = parent::stream_read($count); + hash_update($this->hash, $result); + return $result; + } + + public function stream_close() { + if (is_callable($this->callback)) { + call_user_func($this->callback, hash_final($this->hash)); + // prevent further calls by potential PHP 7 GC ghosts + $this->callback = null; + } + return parent::stream_close(); + } +} |