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| author | Mate Bartus <mate.bartus@gmail.com> | 2015-07-24 09:20:50 +0200 |
|---|---|---|
| committer | Mate Bartus <mate.bartus@gmail.com> | 2015-10-17 23:05:57 +0200 |
| commit | 8f5a0ad6f73e7b7757b02c827436384c96069b5a (patch) | |
| tree | 87a16ddaa2f645d62728f0b4543199e43995bfeb /phpBB/phpbb/install/helper/file_updater/file_updater.php | |
| parent | f1047ac854baba4d1015cd9a555a523b3860f2c9 (diff) | |
| download | forums-8f5a0ad6f73e7b7757b02c827436384c96069b5a.tar forums-8f5a0ad6f73e7b7757b02c827436384c96069b5a.tar.gz forums-8f5a0ad6f73e7b7757b02c827436384c96069b5a.tar.bz2 forums-8f5a0ad6f73e7b7757b02c827436384c96069b5a.tar.xz forums-8f5a0ad6f73e7b7757b02c827436384c96069b5a.zip | |
[ticket/14039] Revamp updater
PHPBB3-14039
Diffstat (limited to 'phpBB/phpbb/install/helper/file_updater/file_updater.php')
| -rw-r--r-- | phpBB/phpbb/install/helper/file_updater/file_updater.php | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/phpBB/phpbb/install/helper/file_updater/file_updater.php b/phpBB/phpbb/install/helper/file_updater/file_updater.php new file mode 100644 index 0000000000..8ebbf64253 --- /dev/null +++ b/phpBB/phpbb/install/helper/file_updater/file_updater.php @@ -0,0 +1,210 @@ +<?php +/** + * + * This file is part of the phpBB Forum Software package. + * + * @copyright (c) phpBB Limited <https://www.phpbb.com> + * @license GNU General Public License, version 2 (GPL-2.0) + * + * For full copyright and license information, please see + * the docs/CREDITS.txt file. + * + */ + +namespace phpbb\install\helper\file_updater; + +use phpbb\filesystem\exception\filesystem_exception; +use phpbb\filesystem\filesystem; +use phpbb\install\exception\file_updater_failure_exception; + +/** + * File updater for direct filesystem access + */ +class file_updater implements file_updater_interface +{ + /** + * @var filesystem + */ + protected $filesystem; + + /** + * @var string + */ + protected $phpbb_root_path; + + /** + * Constructor + * + * @param filesystem $filesystem + * @param string $phpbb_root_path + */ + public function __construct(filesystem $filesystem, $phpbb_root_path) + { + $this->filesystem = $filesystem; + $this->phpbb_root_path = $phpbb_root_path; + } + + /** + * {@inheritdoc} + * + * @throws file_updater_failure_exception When the file is not writable + * @throws filesystem_exception When the filesystem class fails + */ + public function delete_file($path_to_file) + { + $this->filesystem->remove($this->phpbb_root_path . $path_to_file); + } + + /** + * {@inheritdoc} + * + * @throws file_updater_failure_exception When the file is not writable + * @throws filesystem_exception When the filesystem class fails + */ + public function create_new_file($path_to_file_to_create, $source, $create_from_content = false) + { + $path_to_file_to_create = $this->phpbb_root_path . $path_to_file_to_create; + + $dir = dirname($path_to_file_to_create); + if (!$this->filesystem->exists($dir)) + { + $this->make_dir($dir); + } + + $original_dir_perms = false; + + if (!$this->filesystem->is_writable($dir)) + { + // Extract last 9 bits we actually need + $original_dir_perms = @fileperms($dir) & 511; + $this->filesystem->phpbb_chmod($dir, filesystem::CHMOD_ALL); + } + + if (!$create_from_content) + { + try + { + $this->filesystem->copy($source, $path_to_file_to_create); + } + catch (filesystem_exception $e) + { + $this->write_file($path_to_file_to_create, $source, $create_from_content); + } + } + else + { + $this->write_file($path_to_file_to_create, $source, $create_from_content); + } + + if ($original_dir_perms !== false) + { + $this->filesystem->phpbb_chmod($dir, $original_dir_perms); + } + } + + /** + * {@inheritdoc} + * + * @throws file_updater_failure_exception When the file is not writable + * @throws filesystem_exception When the filesystem class fails + */ + public function update_file($path_to_file_to_update, $source, $create_from_content = false) + { + $path_to_file_to_update = $this->phpbb_root_path . $path_to_file_to_update; + $original_file_perms = false; + + if (!$this->filesystem->is_writable($path_to_file_to_update)) + { + // Extract last 9 bits we actually need + $original_file_perms = @fileperms($path_to_file_to_update) & 511; + $this->filesystem->phpbb_chmod($path_to_file_to_update, filesystem::CHMOD_WRITE); + } + + if (!$create_from_content) + { + try + { + $this->filesystem->copy($source, $path_to_file_to_update, true); + } + catch (filesystem_exception $e) + { + $this->write_file($path_to_file_to_update, $source, $create_from_content); + } + } + else + { + $this->write_file($path_to_file_to_update, $source, $create_from_content); + } + + if ($original_file_perms !== false) + { + $this->filesystem->phpbb_chmod($path_to_file_to_update, $original_file_perms); + } + } + + /** + * Creates directory structure + * + * @param string $path Path to the directory where the file should be placed (and non-existent) + */ + private function make_dir($path) + { + if (is_dir($path)) + { + return; + } + + $path = str_replace(DIRECTORY_SEPARATOR, '/', $path); + $dirs = explode('/', $path); + $dirs_to_create = array(); + + do + { + $path .= '../'; + $dirs_to_create[] = array_pop($dirs); + } + while (!is_dir($path)); + + foreach ($dirs_to_create as $directory) + { + $path .= $directory; + $this->filesystem->mkdir($path, 493); // 493 === 0755 + $path .= '/'; + } + } + + /** + * Fallback function for file writing + * + * @param string $path_to_file Path to the file's location + * @param string $source Path to file to copy or string with the new file's content + * @param bool|false $create_from_content Whether or not to use $source as the content, false by default + * + * @throws file_updater_failure_exception When the file is not writable + */ + private function write_file($path_to_file, $source, $create_from_content = false) + { + if (!$create_from_content) + { + $source = @file_get_contents($source); + } + + $file_pointer = @fopen($path_to_file, 'w'); + + if (!is_resource($file_pointer)) + { + throw new file_updater_failure_exception(); + } + + @fwrite($file_pointer, $source); + @fclose($file_pointer); + } + + /** + * {@inheritdoc} + */ + public function get_method_name() + { + return 'direct_file'; + } +} |