Move legacy classes from PSR0 to PSR4

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 434 insertions, 0 deletions

diff --git a/lib/private/legacy/OC_Files.php b/lib/private/legacy/OC_Files.php
new file mode 100644
index 00000000000..249d3e5154f
--- /dev/null
+++ b/lib/private/legacy/OC_Files.php
@@ -0,0 +1,434 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ * @author Björn Schießle <bjoern@schiessle.org>
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Calviño Sánchez <danxuliu@gmail.com>
+ * @author Frank Karlitschek <frank@karlitschek.de>
+ * @author Jakob Sack <mail@jakobsack.de>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Jörn Friedrich Dreyer <jfd@butonic.de>
+ * @author Julius Härtl <jus@bitgrid.net>
+ * @author Ko- <k.stoffelen@cs.ru.nl>
+ * @author Lukas Reschke <lukas@statuscode.ch>
+ * @author Michael Gapczynski <GapczynskiM@gmail.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Nicolai Ehemann <en@enlightened.de>
+ * @author Piotr Filiciak <piotr@filiciak.pl>
+ * @author Robin Appelman <robin@icewind.nl>
+ * @author Robin McCorkell <robin@mccorkell.me.uk>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @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>
+ *
+ * @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
+
+
+	private static $multipartBoundary = '';
+
+	/**
+	 * @return string
+	 */
+	private static function getBoundary() {
+		if (empty(self::$multipartBoundary)) {
+			self::$multipartBoundary = md5(mt_rand());
+		}
+		return self::$multipartBoundary;
+	}
+
+	/**
+	 * @param string $filename
+	 * @param string $name
+	 * @param array $rangeArray ('from'=>int,'to'=>int), ...
+	 */
+	private static function sendHeaders($filename, $name, array $rangeArray) {
+		OC_Response::setContentDispositionHeader($name, 'attachment');
+		header('Content-Transfer-Encoding: binary', true);
+		header('Pragma: public');// enable caching in IE
+		header('Expires: 0');
+		header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
+		$fileSize = \OC\Files\Filesystem::filesize($filename);
+		$type = \OC::$server->getMimeTypeDetector()->getSecureMimeType(\OC\Files\Filesystem::getMimeType($filename));
+		if ($fileSize > -1) {
+			if (!empty($rangeArray)) {
+			    http_response_code(206);
+			    header('Accept-Ranges: bytes', true);
+			    if (count($rangeArray) > 1) {
+				$type = 'multipart/byteranges; boundary='.self::getBoundary();
+				// no Content-Length header here
+			    }
+			    else {
+				header(sprintf('Content-Range: bytes %d-%d/%d', $rangeArray[0]['from'], $rangeArray[0]['to'], $fileSize), true);
+				OC_Response::setContentLengthHeader($rangeArray[0]['to'] - $rangeArray[0]['from'] + 1);
+			    }
+			}
+			else {
+			    OC_Response::setContentLengthHeader($fileSize);
+			}
+		}
+		header('Content-Type: '.$type, true);
+	}
+
+	/**
+	 * 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 array $params ; 'head' boolean to only send header of the request ; 'range' http range header
+	 */
+	public static function get($dir, $files, $params = null) {
+
+		$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, $files, is_null($params) ? [] : $params);
+					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 = $files;
+				}
+			}
+
+			self::lockFiles($view, $dir, $files);
+
+			/* Calculate filesize and number of files */
+			if ($getType === self::ZIP_FILES) {
+				$fileInfos = [];
+				$fileSize = 0;
+				foreach ($files as $file) {
+					$fileInfo = \OC\Files\Filesystem::getFileInfo($dir . '/' . $file);
+					$fileSize += $fileInfo->getSize();
+					$fileInfos[] = $fileInfo;
+				}
+				$numberOfFiles = self::getNumberOfFiles($fileInfos);
+			} elseif ($getType === self::ZIP_DIR) {
+				$fileInfo = \OC\Files\Filesystem::getFileInfo($dir . '/' . $files);
+				$fileSize = $fileInfo->getSize();
+				$numberOfFiles = self::getNumberOfFiles([$fileInfo]);
+			}
+
+			$streamer = new Streamer(\OC::$server->getRequest(), $fileSize, $numberOfFiles);
+			OC_Util::obEnd();
+
+			$streamer->sendHeaders($name);
+			$executionTime = (int)OC::$server->getIniWrapper()->getNumeric('max_execution_time');
+			if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+				@set_time_limit(0);
+			}
+			ignore_user_abort(true);
+
+			if ($getType === self::ZIP_FILES) {
+				foreach ($files as $file) {
+					$file = $dir . '/' . $file;
+					if (\OC\Files\Filesystem::is_file($file)) {
+						$userFolder = \OC::$server->getRootFolder()->get(\OC\Files\Filesystem::getRoot());
+						$file = $userFolder->get($file);
+						if($file instanceof \OC\Files\Node\File) {
+							try {
+								$fh = $file->fopen('r');
+							} catch (\OCP\Files\NotPermittedException $e) {
+								continue;
+							}
+							$fileSize = $file->getSize();
+							$fileTime = $file->getMTime();
+						} else {
+							// File is not a file? …
+							\OC::$server->getLogger()->debug(
+								'File given, but no Node available. Name {file}',
+								[ 'app' => 'files', 'file' => $file ]
+							);
+							continue;
+						}
+						$streamer->addFileFromStream($fh, $file->getName(), $fileSize, $fileTime);
+						fclose($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, 200);
+		} 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(), 200);
+		} 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, 200);
+		}
+	}
+
+	/**
+	 * @param string $rangeHeaderPos
+	 * @param int $fileSize
+	 * @return array $rangeArray ('from'=>int,'to'=>int), ...
+	 */
+	private static function parseHttpRangeHeader($rangeHeaderPos, $fileSize) {
+		$rArray=explode(',', $rangeHeaderPos);
+		$minOffset = 0;
+		$ind = 0;
+
+		$rangeArray = [];
+
+		foreach ($rArray as $value) {
+			$ranges = explode('-', $value);
+			if (is_numeric($ranges[0])) {
+				if ($ranges[0] < $minOffset) { // case: bytes=500-700,601-999
+					$ranges[0] = $minOffset;
+				}
+				if ($ind > 0 && $rangeArray[$ind-1]['to']+1 == $ranges[0]) { // case: bytes=500-600,601-999
+					$ind--;
+					$ranges[0] = $rangeArray[$ind]['from'];
+				}
+			}
+
+			if (is_numeric($ranges[0]) && is_numeric($ranges[1]) && $ranges[0] < $fileSize && $ranges[0] <= $ranges[1]) {
+				// case: x-x
+				if ($ranges[1] >= $fileSize) {
+					$ranges[1] = $fileSize-1;
+				}
+				$rangeArray[$ind++] = [ 'from' => $ranges[0], 'to' => $ranges[1], 'size' => $fileSize ];
+				$minOffset = $ranges[1] + 1;
+				if ($minOffset >= $fileSize) {
+					break;
+				}
+			}
+			elseif (is_numeric($ranges[0]) && $ranges[0] < $fileSize) {
+				// case: x-
+				$rangeArray[$ind++] = [ 'from' => $ranges[0], 'to' => $fileSize-1, 'size' => $fileSize ];
+				break;
+			}
+			elseif (is_numeric($ranges[1])) {
+				// case: -x
+				if ($ranges[1] > $fileSize) {
+					$ranges[1] = $fileSize;
+				}
+				$rangeArray[$ind++] = [ 'from' => $fileSize-$ranges[1], 'to' => $fileSize-1, 'size' => $fileSize ];
+				break;
+			}
+		}
+		return $rangeArray;
+	}
+
+	/**
+	 * @param View $view
+	 * @param string $name
+	 * @param string $dir
+	 * @param array $params ; 'head' boolean to only send header of the request ; 'range' http range header
+	 */
+	private static function getSingleFile($view, $dir, $name, $params) {
+		$filename = $dir . '/' . $name;
+		$file = null;
+
+		try {
+			$userFolder = \OC::$server->getRootFolder()->get(\OC\Files\Filesystem::getRoot());
+			$file = $userFolder->get($filename);
+			if(!$file instanceof \OC\Files\Node\File || !$file->isReadable()) {
+				http_response_code(403);
+				die('403 Forbidden');
+			}
+			$fileSize = $file->getSize();
+		} catch (\OCP\Files\NotPermittedException $e) {
+			http_response_code(403);
+			die('403 Forbidden');
+		} catch (\OCP\Files\InvalidPathException $e) {
+			http_response_code(403);
+			die('403 Forbidden');
+		} catch (\OCP\Files\NotFoundException $e) {
+			http_response_code(404);
+			$tmpl = new OC_Template('', '404', 'guest');
+			$tmpl->printPage();
+			exit();
+		}
+
+		OC_Util::obEnd();
+		$view->lockFile($filename, ILockingProvider::LOCK_SHARED);
+
+		$rangeArray = [];
+
+		if (isset($params['range']) && substr($params['range'], 0, 6) === 'bytes=') {
+			$rangeArray = self::parseHttpRangeHeader(substr($params['range'], 6), $fileSize);
+		}
+
+		self::sendHeaders($filename, $name, $rangeArray);
+
+		if (isset($params['head']) && $params['head']) {
+			return;
+		}
+
+		if (!empty($rangeArray)) {
+			try {
+			    if (count($rangeArray) == 1) {
+				$view->readfilePart($filename, $rangeArray[0]['from'], $rangeArray[0]['to']);
+			    }
+			    else {
+				// check if file is seekable (if not throw UnseekableException)
+				// we have to check it before body contents
+				$view->readfilePart($filename, $rangeArray[0]['size'], $rangeArray[0]['size']);
+
+				$type = \OC::$server->getMimeTypeDetector()->getSecureMimeType(\OC\Files\Filesystem::getMimeType($filename));
+
+				foreach ($rangeArray as $range) {
+				    echo "\r\n--".self::getBoundary()."\r\n".
+				         "Content-type: ".$type."\r\n".
+				         "Content-range: bytes ".$range['from']."-".$range['to']."/".$range['size']."\r\n\r\n";
+				    $view->readfilePart($filename, $range['from'], $range['to']);
+				}
+				echo "\r\n--".self::getBoundary()."--\r\n";
+			    }
+			} catch (\OCP\Files\UnseekableException $ex) {
+			    // file is unseekable
+			    header_remove('Accept-Ranges');
+			    header_remove('Content-Range');
+			    http_response_code(200);
+			    self::sendHeaders($filename, $name, []);
+			    $view->readfile($filename);
+			}
+		}
+		else {
+		    $view->readfile($filename);
+		}
+	}
+
+	/**
+	 * Returns the total (recursive) number of files and folders in the given
+	 * FileInfos.
+	 *
+	 * @param \OCP\Files\FileInfo[] $fileInfos the FileInfos to count
+	 * @return int the total number of files and folders
+	 */
+	private static function getNumberOfFiles($fileInfos) {
+		$numberOfFiles = 0;
+
+		$view = new View();
+
+		while ($fileInfo = array_pop($fileInfos)) {
+			$numberOfFiles++;
+
+			if ($fileInfo->getType() === \OCP\Files\FileInfo::TYPE_FOLDER) {
+				$fileInfos = array_merge($fileInfos, $view->getDirectoryContent($fileInfo->getPath()));
+			}
+		}
+
+		return $numberOfFiles;
+	}
+
+	/**
+	 * @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);
+			}
+		}
+	}
+
+	/**
+	 * @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);
+		}
+	}
+
+}