Move \OC\Files\Storage\DAV to core in order to reduce inter-app dependencies

1 files changed, 0 insertions, 453 deletions

diff --git a/apps/files_external/lib/webdav.php b/apps/files_external/lib/webdav.php
deleted file mode 100644
index 8536c65ace9..00000000000
--- a/apps/files_external/lib/webdav.php
+++ /dev/null
@@ -1,453 +0,0 @@
-<?php
-/**
- * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
- * This file is licensed under the Affero General Public License version 3 or
- * later.
- * See the COPYING-README file.
- */
-
-namespace OC\Files\Storage;
-
-class DAV extends \OC\Files\Storage\Common {
-	protected $password;
-	protected $user;
-	protected $host;
-	protected $secure;
-	protected $root;
-	protected $certPath;
-	protected $ready;
-	/**
-	 * @var \Sabre\DAV\Client
-	 */
-	private $client;
-
-	private static $tempFiles = array();
-
-	public function __construct($params) {
-		if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
-			$host = $params['host'];
-			//remove leading http[s], will be generated in createBaseUri()
-			if (substr($host, 0, 8) == "https://") $host = substr($host, 8);
-			else if (substr($host, 0, 7) == "http://") $host = substr($host, 7);
-			$this->host = $host;
-			$this->user = $params['user'];
-			$this->password = $params['password'];
-			if (isset($params['secure'])) {
-				if (is_string($params['secure'])) {
-					$this->secure = ($params['secure'] === 'true');
-				} else {
-					$this->secure = (bool)$params['secure'];
-				}
-			} else {
-				$this->secure = false;
-			}
-			if ($this->secure === true) {
-				$certPath = \OC_User::getHome(\OC_User::getUser()) . '/files_external/rootcerts.crt';
-				if (file_exists($certPath)) {
-					$this->certPath = $certPath;
-				}
-			}
-			$this->root = isset($params['root']) ? $params['root'] : '/';
-			if (!$this->root || $this->root[0] != '/') {
-				$this->root = '/' . $this->root;
-			}
-			if (substr($this->root, -1, 1) != '/') {
-				$this->root .= '/';
-			}
-		} else {
-			throw new \Exception();
-		}
-	}
-
-	private function init() {
-		if ($this->ready) {
-			return;
-		}
-		$this->ready = true;
-
-		$settings = array(
-			'baseUri' => $this->createBaseUri(),
-			'userName' => $this->user,
-			'password' => $this->password,
-		);
-
-		$this->client = new \Sabre\DAV\Client($settings);
-
-		if ($this->secure === true && $this->certPath) {
-			$this->client->addTrustedCertificates($this->certPath);
-		}
-	}
-
-	public function getId() {
-		return 'webdav::' . $this->user . '@' . $this->host . '/' . $this->root;
-	}
-
-	protected function createBaseUri() {
-		$baseUri = 'http';
-		if ($this->secure) {
-			$baseUri .= 's';
-		}
-		$baseUri .= '://' . $this->host . $this->root;
-		return $baseUri;
-	}
-
-	public function mkdir($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		return $this->simpleResponse('MKCOL', $path, null, 201);
-	}
-
-	public function rmdir($path) {
-		$this->init();
-		$path = $this->cleanPath($path) . '/';
-		// FIXME: some WebDAV impl return 403 when trying to DELETE
-		// a non-empty folder
-		return $this->simpleResponse('DELETE', $path, null, 204);
-	}
-
-	public function opendir($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->propfind($this->encodePath($path), array(), 1);
-			$id = md5('webdav' . $this->root . $path);
-			$content = array();
-			$files = array_keys($response);
-			array_shift($files); //the first entry is the current directory
-			foreach ($files as $file) {
-				$file = urldecode(basename($file));
-				$content[] = $file;
-			}
-			\OC\Files\Stream\Dir::register($id, $content);
-			return opendir('fakedir://' . $id);
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	public function filetype($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->propfind($this->encodePath($path), array('{DAV:}resourcetype'));
-			$responseType = array();
-			if (isset($response["{DAV:}resourcetype"])) {
-				$responseType = $response["{DAV:}resourcetype"]->resourceType;
-			}
-			return (count($responseType) > 0 and $responseType[0] == "{DAV:}collection") ? 'dir' : 'file';
-		} catch (\Exception $e) {
-			error_log($e->getMessage());
-			\OCP\Util::writeLog("webdav client", \OCP\Util::sanitizeHTML($e->getMessage()), \OCP\Util::ERROR);
-			return false;
-		}
-	}
-
-	public function file_exists($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$this->client->propfind($this->encodePath($path), array('{DAV:}resourcetype'));
-			return true; //no 404 exception
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	public function unlink($path) {
-		$this->init();
-		return $this->simpleResponse('DELETE', $path, null, 204);
-	}
-
-	public function fopen($path, $mode) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		switch ($mode) {
-			case 'r':
-			case 'rb':
-				if (!$this->file_exists($path)) {
-					return false;
-				}
-				//straight up curl instead of sabredav here, sabredav put's the entire get result in memory
-				$curl = curl_init();
-				$fp = fopen('php://temp', 'r+');
-				curl_setopt($curl, CURLOPT_USERPWD, $this->user . ':' . $this->password);
-				curl_setopt($curl, CURLOPT_URL, $this->createBaseUri() . $this->encodePath($path));
-				curl_setopt($curl, CURLOPT_FILE, $fp);
-				curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
-				if ($this->secure === true) {
-					curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
-					curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
-					if ($this->certPath) {
-						curl_setopt($curl, CURLOPT_CAINFO, $this->certPath);
-					}
-				}
-
-				curl_exec($curl);
-				$statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
-				if ($statusCode !== 200) {
-					\OCP\Util::writeLog("webdav client", 'curl GET ' . curl_getinfo($curl, CURLINFO_EFFECTIVE_URL) . ' returned status code ' . $statusCode, \OCP\Util::ERROR);
-				}
-				curl_close($curl);
-				rewind($fp);
-				return $fp;
-			case 'w':
-			case 'wb':
-			case 'a':
-			case 'ab':
-			case 'r+':
-			case 'w+':
-			case 'wb+':
-			case 'a+':
-			case 'x':
-			case 'x+':
-			case 'c':
-			case 'c+':
-				//emulate these
-				if (strrpos($path, '.') !== false) {
-					$ext = substr($path, strrpos($path, '.'));
-				} else {
-					$ext = '';
-				}
-				if ($this->file_exists($path)) {
-					if (!$this->isUpdatable($path)) {
-						return false;
-					}
-					$tmpFile = $this->getCachedFile($path);
-				} else {
-					if (!$this->isCreatable(dirname($path))) {
-						return false;
-					}
-					$tmpFile = \OCP\Files::tmpFile($ext);
-				}
-				\OC\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
-				self::$tempFiles[$tmpFile] = $path;
-				return fopen('close://' . $tmpFile, $mode);
-		}
-	}
-
-	public function writeBack($tmpFile) {
-		if (isset(self::$tempFiles[$tmpFile])) {
-			$this->uploadFile($tmpFile, self::$tempFiles[$tmpFile]);
-			unlink($tmpFile);
-		}
-	}
-
-	public function free_space($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->propfind($this->encodePath($path), array('{DAV:}quota-available-bytes'));
-			if (isset($response['{DAV:}quota-available-bytes'])) {
-				return (int)$response['{DAV:}quota-available-bytes'];
-			} else {
-				return \OC\Files\SPACE_UNKNOWN;
-			}
-		} catch (\Exception $e) {
-			return \OC\Files\SPACE_UNKNOWN;
-		}
-	}
-
-	public function touch($path, $mtime = null) {
-		$this->init();
-		if (is_null($mtime)) {
-			$mtime = time();
-		}
-		$path = $this->cleanPath($path);
-
-		// if file exists, update the mtime, else create a new empty file
-		if ($this->file_exists($path)) {
-			try {
-				$this->client->proppatch($this->encodePath($path), array('{DAV:}lastmodified' => $mtime));
-			} catch (\Sabre\DAV\Exception\NotImplemented $e) {
-				return false;
-			}
-		} else {
-			$this->file_put_contents($path, '');
-		}
-		return true;
-	}
-
-	protected function uploadFile($path, $target) {
-		$this->init();
-		$source = fopen($path, 'r');
-
-		$curl = curl_init();
-		curl_setopt($curl, CURLOPT_USERPWD, $this->user . ':' . $this->password);
-		curl_setopt($curl, CURLOPT_URL, $this->createBaseUri() . $this->encodePath($target));
-		curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
-		curl_setopt($curl, CURLOPT_INFILE, $source); // file pointer
-		curl_setopt($curl, CURLOPT_INFILESIZE, filesize($path));
-		curl_setopt($curl, CURLOPT_PUT, true);
-		if ($this->secure === true) {
-			curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
-			curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
-			if ($this->certPath) {
-				curl_setopt($curl, CURLOPT_CAINFO, $this->certPath);
-			}
-		}
-		curl_exec($curl);
-		$statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
-		if ($statusCode !== 200) {
-			\OCP\Util::writeLog("webdav client", 'curl GET ' . curl_getinfo($curl, CURLINFO_EFFECTIVE_URL) . ' returned status code ' . $statusCode, \OCP\Util::ERROR);
-		}
-		curl_close($curl);
-		$this->removeCachedFile($target);
-	}
-
-	public function rename($path1, $path2) {
-		$this->init();
-		$path1 = $this->encodePath($this->cleanPath($path1));
-		$path2 = $this->createBaseUri() . $this->encodePath($this->cleanPath($path2));
-		try {
-			$this->client->request('MOVE', $path1, null, array('Destination' => $path2));
-			$this->removeCachedFile($path1);
-			$this->removeCachedFile($path2);
-			return true;
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	public function copy($path1, $path2) {
-		$this->init();
-		$path1 = $this->encodePath($this->cleanPath($path1));
-		$path2 = $this->createBaseUri() . $this->encodePath($this->cleanPath($path2));
-		try {
-			$this->client->request('COPY', $path1, null, array('Destination' => $path2));
-			$this->removeCachedFile($path2);
-			return true;
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	public function stat($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->propfind($this->encodePath($path), array('{DAV:}getlastmodified', '{DAV:}getcontentlength'));
-			return array(
-				'mtime' => strtotime($response['{DAV:}getlastmodified']),
-				'size' => (int)isset($response['{DAV:}getcontentlength']) ? $response['{DAV:}getcontentlength'] : 0,
-			);
-		} catch (\Exception $e) {
-			return array();
-		}
-	}
-
-	public function getMimeType($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->propfind($this->encodePath($path), array('{DAV:}getcontenttype', '{DAV:}resourcetype'));
-			$responseType = array();
-			if (isset($response["{DAV:}resourcetype"])) {
-				$responseType = $response["{DAV:}resourcetype"]->resourceType;
-			}
-			$type = (count($responseType) > 0 and $responseType[0] == "{DAV:}collection") ? 'dir' : 'file';
-			if ($type == 'dir') {
-				return 'httpd/unix-directory';
-			} elseif (isset($response['{DAV:}getcontenttype'])) {
-				return $response['{DAV:}getcontenttype'];
-			} else {
-				return false;
-			}
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 */
-	public function cleanPath($path) {
-		if ($path === "") {
-			return $path;
-		}
-		$path = \OC\Files\Filesystem::normalizePath($path);
-		// remove leading slash
-		return substr($path, 1);
-	}
-
-	/**
-	 * URL encodes the given path but keeps the slashes
-	 *
-	 * @param string $path to encode
-	 * @return string encoded path
-	 */
-	private function encodePath($path) {
-		// slashes need to stay
-		return str_replace('%2F', '/', rawurlencode($path));
-	}
-
-	/**
-	 * @param string $method
-	 * @param string $path
-	 * @param integer $expected
-	 */
-	private function simpleResponse($method, $path, $body, $expected) {
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->request($method, $this->encodePath($path), $body);
-			return $response['statusCode'] == $expected;
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * check if curl is installed
-	 */
-	public static function checkDependencies() {
-		if (function_exists('curl_init')) {
-			return true;
-		} else {
-			return array('curl');
-		}
-	}
-
-	public function isUpdatable($path) {
-		return (bool)($this->getPermissions($path) & \OCP\PERMISSION_UPDATE);
-	}
-
-	public function isCreatable($path) {
-		return (bool)($this->getPermissions($path) & \OCP\PERMISSION_CREATE);
-	}
-
-	public function isSharable($path) {
-		return (bool)($this->getPermissions($path) & \OCP\PERMISSION_SHARE);
-	}
-
-	public function isDeletable($path) {
-		return (bool)($this->getPermissions($path) & \OCP\PERMISSION_DELETE);
-	}
-
-	public function getPermissions($path) {
-		$this->init();
-		$response = $this->client->propfind($this->encodePath($path), array('{http://owncloud.org/ns}permissions'));
-		if (isset($response['{http://owncloud.org/ns}permissions'])) {
-			$permissions = \OCP\PERMISSION_READ;
-			$permissionsString = $response['{http://owncloud.org/ns}permissions'];
-			if (strpos($permissionsString, 'R') !== false) {
-				$permissions |= \OCP\PERMISSION_SHARE;
-			}
-			if (strpos($permissionsString, 'D') !== false) {
-				$permissions |= \OCP\PERMISSION_DELETE;
-			}
-			if (strpos($permissionsString, 'W') !== false) {
-				$permissions |= \OCP\PERMISSION_UPDATE;
-			}
-			if (strpos($permissionsString, 'C') !== false) {
-				$permissions |= \OCP\PERMISSION_CREATE;
-			}
-			return $permissions;
-		} else if ($this->is_dir($path)) {
-			return \OCP\PERMISSION_ALL;
-		} else if ($this->file_exists($path)) {
-			return \OCP\PERMISSION_ALL - \OCP\PERMISSION_CREATE;
-		} else {
-			return 0;
-		}
-	}
-}
-