Merge pull request #24360 from owncloud/cleanup_non_psr4

Move non PSR-4 files from lib/private root to legacy

1 files changed, 316 insertions, 0 deletions

diff --git a/lib/private/legacy/files.php b/lib/private/legacy/files.php
new file mode 100644
index 00000000000..9b6a1a4465f
--- /dev/null
+++ b/lib/private/legacy/files.php
@@ -0,0 +1,316 @@
+<?php
+/**
+ * @author Arthur Schiwon <blizzz@owncloud.com>
+ * @author Bart Visscher <bartv@thisnet.nl>
+ * @author Björn Schießle <schiessle@owncloud.com>
+ * @author Clark Tomlinson <fallen013@gmail.com>
+ * @author Frank Karlitschek <frank@owncloud.org>
+ * @author Jakob Sack <mail@jakobsack.de>
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ * @author Jörn Friedrich Dreyer <jfd@butonic.de>
+ * @author Michael Gapczynski <GapczynskiM@gmail.com>
+ * @author Nicolai Ehemann <en@enlightened.de>
+ * @author Robin Appelman <icewind@owncloud.com>
+ * @author Robin McCorkell <robin@mccorkell.me.uk>
+ * @author Thibaut GRIDEL <tgridel@free.fr>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ * @author Vincent Petry <pvince81@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+use OC\Files\View;
+use OC\Streamer;
+use OCP\Lock\ILockingProvider;
+
+/**
+ * Class for file server access
+ *
+ */
+class OC_Files {
+	const FILE = 1;
+	const ZIP_FILES = 2;
+	const ZIP_DIR = 3;
+
+	const UPLOAD_MIN_LIMIT_BYTES = 1048576; // 1 MiB
+
+	/**
+	 * @param string $filename
+	 * @param string $name
+	 */
+	private static function sendHeaders($filename, $name) {
+		OC_Response::setContentDispositionHeader($name, 'attachment');
+		header('Content-Transfer-Encoding: binary');
+		OC_Response::disableCaching();
+		$fileSize = \OC\Files\Filesystem::filesize($filename);
+		$type = \OC::$server->getMimeTypeDetector()->getSecureMimeType(\OC\Files\Filesystem::getMimeType($filename));
+		header('Content-Type: '.$type);
+		if ($fileSize > -1) {
+			OC_Response::setContentLengthHeader($fileSize);
+		}
+	}
+
+	/**
+	 * return the content of a file or return a zip file containing multiple files
+	 *
+	 * @param string $dir
+	 * @param string $files ; separated list of files to download
+	 * @param boolean $onlyHeader ; boolean to only send header of the request
+	 */
+	public static function get($dir, $files, $onlyHeader = false) {
+
+		$view = \OC\Files\Filesystem::getView();
+		$getType = self::FILE;
+		$filename = $dir;
+		try {
+
+			if (is_array($files) && count($files) === 1) {
+				$files = $files[0];
+			}
+
+			if (!is_array($files)) {
+				$filename = $dir . '/' . $files;
+				if (!$view->is_dir($filename)) {
+					self::getSingleFile($view, $dir, $files, $onlyHeader);
+					return;
+				}
+			}
+
+			$name = 'download';
+			if (is_array($files)) {
+				$getType = self::ZIP_FILES;
+				$basename = basename($dir);
+				if ($basename) {
+					$name = $basename;
+				}
+
+				$filename = $dir . '/' . $name;
+			} else {
+				$filename = $dir . '/' . $files;
+				$getType = self::ZIP_DIR;
+				// downloading root ?
+				if ($files !== '') {
+					$name = $files;
+				}
+			}
+
+			$streamer = new Streamer();
+			OC_Util::obEnd();
+
+			self::lockFiles($view, $dir, $files);
+
+			$streamer->sendHeaders($name);
+			$executionTime = intval(OC::$server->getIniWrapper()->getNumeric('max_execution_time'));
+			set_time_limit(0);
+			if ($getType === self::ZIP_FILES) {
+				foreach ($files as $file) {
+					$file = $dir . '/' . $file;
+					if (\OC\Files\Filesystem::is_file($file)) {
+						$fileSize = \OC\Files\Filesystem::filesize($file);
+						$fh = \OC\Files\Filesystem::fopen($file, 'r');
+						$streamer->addFileFromStream($fh, basename($file), $fileSize);
+						fclose($fh);
+					} elseif (\OC\Files\Filesystem::is_dir($file)) {
+						$streamer->addDirRecursive($file);
+					}
+				}
+			} elseif ($getType === self::ZIP_DIR) {
+				$file = $dir . '/' . $files;
+				$streamer->addDirRecursive($file);
+			}
+			$streamer->finalize();
+			set_time_limit($executionTime);
+			self::unlockAllTheFiles($dir, $files, $getType, $view, $filename);
+		} catch (\OCP\Lock\LockedException $ex) {
+			self::unlockAllTheFiles($dir, $files, $getType, $view, $filename);
+			OC::$server->getLogger()->logException($ex);
+			$l = \OC::$server->getL10N('core');
+			$hint = method_exists($ex, 'getHint') ? $ex->getHint() : '';
+			\OC_Template::printErrorPage($l->t('File is currently busy, please try again later'), $hint);
+		} catch (\OCP\Files\ForbiddenException $ex) {
+			self::unlockAllTheFiles($dir, $files, $getType, $view, $filename);
+			OC::$server->getLogger()->logException($ex);
+			$l = \OC::$server->getL10N('core');
+			\OC_Template::printErrorPage($l->t('Can\'t read file'), $ex->getMessage());
+		} catch (\Exception $ex) {
+			self::unlockAllTheFiles($dir, $files, $getType, $view, $filename);
+			OC::$server->getLogger()->logException($ex);
+			$l = \OC::$server->getL10N('core');
+			$hint = method_exists($ex, 'getHint') ? $ex->getHint() : '';
+			\OC_Template::printErrorPage($l->t('Can\'t read file'), $hint);
+		}
+	}
+
+	/**
+	 * @param View $view
+	 * @param string $name
+	 * @param string $dir
+	 * @param boolean $onlyHeader
+	 */
+	private static function getSingleFile($view, $dir, $name, $onlyHeader) {
+		$filename = $dir . '/' . $name;
+		OC_Util::obEnd();
+		$view->lockFile($filename, ILockingProvider::LOCK_SHARED);
+
+		if (\OC\Files\Filesystem::isReadable($filename)) {
+			self::sendHeaders($filename, $name);
+		} elseif (!\OC\Files\Filesystem::file_exists($filename)) {
+			header("HTTP/1.0 404 Not Found");
+			$tmpl = new OC_Template('', '404', 'guest');
+			$tmpl->printPage();
+			exit();
+		} else {
+			header("HTTP/1.0 403 Forbidden");
+			die('403 Forbidden');
+		}
+		if ($onlyHeader) {
+			return;
+		}
+		$view->readfile($filename);
+	}
+
+	/**
+	 * @param View $view
+	 * @param string $dir
+	 * @param string[]|string $files
+	 */
+	public static function lockFiles($view, $dir, $files) {
+		if (!is_array($files)) {
+			$file = $dir . '/' . $files;
+			$files = [$file];
+		}
+		foreach ($files as $file) {
+			$file = $dir . '/' . $file;
+			$view->lockFile($file, ILockingProvider::LOCK_SHARED);
+			if ($view->is_dir($file)) {
+				$contents = $view->getDirectoryContent($file);
+				$contents = array_map(function($fileInfo) use ($file) {
+					/** @var \OCP\Files\FileInfo $fileInfo */
+					return $file . '/' . $fileInfo->getName();
+				}, $contents);
+				self::lockFiles($view, $dir, $contents);
+			}
+		}
+	}
+
+	/**
+	 * set the maximum upload size limit for apache hosts using .htaccess
+	 *
+	 * @param int $size file size in bytes
+	 * @param array $files override '.htaccess' and '.user.ini' locations
+	 * @return bool false on failure, size on success
+	 */
+	public static function setUploadLimit($size, $files = []) {
+		//don't allow user to break his config
+		$size = intval($size);
+		if ($size < self::UPLOAD_MIN_LIMIT_BYTES) {
+			return false;
+		}
+		$size = OC_Helper::phpFileSize($size);
+
+		$phpValueKeys = array(
+			'upload_max_filesize',
+			'post_max_size'
+		);
+
+		// default locations if not overridden by $files
+		$files = array_merge([
+			'.htaccess' => OC::$SERVERROOT . '/.htaccess',
+			'.user.ini' => OC::$SERVERROOT . '/.user.ini'
+		], $files);
+
+		$updateFiles = [
+			$files['.htaccess'] => [
+				'pattern' => '/php_value %1$s (\S)*/',
+				'setting' => 'php_value %1$s %2$s'
+			],
+			$files['.user.ini'] => [
+				'pattern' => '/%1$s=(\S)*/',
+				'setting' => '%1$s=%2$s'
+			]
+		];
+
+		$success = true;
+
+		foreach ($updateFiles as $filename => $patternMap) {
+			// suppress warnings from fopen()
+			$handle = @fopen($filename, 'r+');
+			if (!$handle) {
+				\OCP\Util::writeLog('files',
+					'Can\'t write upload limit to ' . $filename . '. Please check the file permissions',
+					\OCP\Util::WARN);
+				$success = false;
+				continue; // try to update as many files as possible
+			}
+
+			$content = '';
+			while (!feof($handle)) {
+				$content .= fread($handle, 1000);
+			}
+
+			foreach ($phpValueKeys as $key) {
+				$pattern = vsprintf($patternMap['pattern'], [$key]);
+				$setting = vsprintf($patternMap['setting'], [$key, $size]);
+				$hasReplaced = 0;
+				$newContent = preg_replace($pattern, $setting, $content, 2, $hasReplaced);
+				if ($newContent !== null) {
+					$content = $newContent;
+				}
+				if ($hasReplaced === 0) {
+					$content .= "\n" . $setting;
+				}
+			}
+
+			// write file back
+			ftruncate($handle, 0);
+			rewind($handle);
+			fwrite($handle, $content);
+
+			fclose($handle);
+		}
+
+		if ($success) {
+			return OC_Helper::computerFileSize($size);
+		}
+		return false;
+	}
+
+	/**
+	 * @param string $dir
+	 * @param $files
+	 * @param integer $getType
+	 * @param View $view
+	 * @param string $filename
+	 */
+	private static function unlockAllTheFiles($dir, $files, $getType, $view, $filename) {
+		if ($getType === self::FILE) {
+			$view->unlockFile($filename, ILockingProvider::LOCK_SHARED);
+		}
+		if ($getType === self::ZIP_FILES) {
+			foreach ($files as $file) {
+				$file = $dir . '/' . $file;
+				$view->unlockFile($file, ILockingProvider::LOCK_SHARED);
+			}
+		}
+		if ($getType === self::ZIP_DIR) {
+			$file = $dir . '/' . $files;
+			$view->unlockFile($file, ILockingProvider::LOCK_SHARED);
+		}
+	}
+
+}