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| author | Andreas Fischer <bantu@phpbb.com> | 2013-10-10 23:39:09 +0200 |
|---|---|---|
| committer | Andreas Fischer <bantu@phpbb.com> | 2013-10-10 23:39:09 +0200 |
| commit | 353ac33d5cea1752047779eb8c70c7ce3a64b6c8 (patch) | |
| tree | 76e08c4e16c68256700506b7111c3cbb547dc877 /phpBB/phpbb/template/twig/loader.php | |
| parent | 0228424983e35badc779923a1f0398fc3ab7c8b2 (diff) | |
| parent | b59131f558a6d0fe4c836e2658152c8698f0cd22 (diff) | |
| download | forums-353ac33d5cea1752047779eb8c70c7ce3a64b6c8.tar forums-353ac33d5cea1752047779eb8c70c7ce3a64b6c8.tar.gz forums-353ac33d5cea1752047779eb8c70c7ce3a64b6c8.tar.bz2 forums-353ac33d5cea1752047779eb8c70c7ce3a64b6c8.tar.xz forums-353ac33d5cea1752047779eb8c70c7ce3a64b6c8.zip | |
Merge remote-tracking branch 'phpbb/develop' into ticket/11621
* phpbb/develop: (542 commits)
[ticket/11901] Pass empty string as relative_url for non-local magic URL.
[ticket/11898] Correct adm_relative_path created by installer
[ticket/11898] Correct admin S_LOGIN_ACTION
[ticket/11892] Fix undefined variables: to_forum_id & to_topic_id
[ticket/11890] Fix untranslated string when deleting posts through MCP.
[ticket/11895] Fix undefined $forum_id
[ticket/10383] Update the results without the overlay popup.
[ticket/10383] Make the content transitions smoother.
[ticket/10383] AJAXify poll voting
[ticket/11888] Update default search backend in namespaces migration
[ticket/11739] Rename “Remember Me” login keys module
[ticket/11893] Remove unnecessary <fieldset> causing a large font size
[ticket/11894] Fix typo in "Delete post" option
[ticket/11888] Use \phpbb\search\fulltext_native as search backend config
[ticket/11608] Mark failed test as incomplete for mysql search backend
[ticket/11608] Update search backend class names to namespaces
[ticket/11608] Move markIncomplete to search backends test
[ticket/11608] Rename base search test class file
[ticket/11608] Remove suffix test from base class
[ticket/11608] Mark postgres search not found test as incomplete
...
Diffstat (limited to 'phpBB/phpbb/template/twig/loader.php')
| -rw-r--r-- | phpBB/phpbb/template/twig/loader.php | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/phpBB/phpbb/template/twig/loader.php b/phpBB/phpbb/template/twig/loader.php new file mode 100644 index 0000000000..910061dc0f --- /dev/null +++ b/phpBB/phpbb/template/twig/loader.php @@ -0,0 +1,152 @@ +<?php +/** +* +* @package phpBB3 +* @copyright (c) 2013 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +namespace phpbb\template\twig; + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +/** +* Twig Template loader +* @package phpBB3 +*/ +class loader extends \Twig_Loader_Filesystem +{ + protected $safe_directories = array(); + + /** + * Set safe directories + * + * @param array $directories Array of directories that are safe (empty to clear) + * @return Twig_Loader_Filesystem + */ + public function setSafeDirectories($directories = array()) + { + $this->safe_directories = array(); + + if (!empty($directories)) + { + foreach ($directories as $directory) + { + $this->addSafeDirectory($directory); + } + } + + return $this; + } + + /** + * Add safe directory + * + * @param string $directory Directory that should be added + * @return Twig_Loader_Filesystem + */ + public function addSafeDirectory($directory) + { + $directory = phpbb_realpath($directory); + + if ($directory !== false) + { + $this->safe_directories[] = $directory; + } + + return $this; + } + + /** + * Get current safe directories + * + * @return array + */ + public function getSafeDirectories() + { + return $this->safe_directories; + } + + /** + * Override for parent::validateName() + * + * This is done because we added support for safe directories, and when Twig + * findTemplate() is called, validateName() is called first, which would + * always throw an exception if the file is outside of the configured + * template directories. + */ + protected function validateName($name) + { + return; + } + + /** + * Find the template + * + * Override for Twig_Loader_Filesystem::findTemplate to add support + * for loading from safe directories. + */ + protected function findTemplate($name) + { + $name = (string) $name; + + // normalize name + $name = preg_replace('#/{2,}#', '/', strtr($name, '\\', '/')); + + // If this is in the cache we can skip the entire process below + // as it should have already been validated + if (isset($this->cache[$name])) { + return $this->cache[$name]; + } + + // First, find the template name. The override above of validateName + // causes the validateName process to be skipped for this call + $file = parent::findTemplate($name); + + try + { + // Try validating the name (which may throw an exception) + parent::validateName($name); + } + catch (Twig_Error_Loader $e) + { + if (strpos($e->getRawMessage(), 'Looks like you try to load a template outside configured directories') === 0) + { + // Ok, so outside of the configured template directories, we + // can now check if we're within a "safe" directory + + // Find the real path of the directory the file is in + $directory = phpbb_realpath(dirname($file)); + + if ($directory === false) + { + // Some sort of error finding the actual path, must throw the exception + throw $e; + } + + foreach ($this->safe_directories as $safe_directory) + { + if (strpos($directory, $safe_directory) === 0) + { + // The directory being loaded is below a directory + // that is "safe". We're good to load it! + return $file; + } + } + } + + // Not within any safe directories + throw $e; + } + + // No exception from validateName, safe to load. + return $file; + } +} |