Internal::start() - Code Metrics - Inspection of "Merge pull request #32298 from owncloud/bugfi/fix-..." - owncloud/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 6b653f...35751f )

by Thomas

created 2018-08-31 09:33 UTC

Internal::start() A

↳ Parent: Internal

Complexity

Conditions	4
Paths	5

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
nc	5
nop	0
dl	0
loc	15
rs	9.7666
c	0
b	0
f	0

<?php
/**
 * @author cetra3 <[email protected]>
 * @author Christoph Wurst <[email protected]>
 * @author Lukas Reschke <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Phil Davis <[email protected]>
 * @author Robin Appelman <[email protected]>
 * @author Thomas Müller <[email protected]>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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/>
 *
 */

namespace OC\Session;

use OC\AppFramework\Http\Request;
use OCP\Session\Exceptions\SessionNotAvailableException;

/**
 * Class Internal
 *
 * wrap php's internal session handling into the Session interface
 *
 * @package OC\Session
 */
class Internal extends Session {
	/**
	 * @param string $name
	 * @throws \Exception
	 */
	public function __construct($name) {
		\session_name($name);
		\set_error_handler([$this, 'trapError']);
		try {
			$this->start();
		} catch (\Exception $e) {
			\setcookie(\session_name(), null, -1, \OC::$WEBROOT ? : '/');
		}
		\restore_error_handler();
		if ($_SESSION === null) {
			throw new \Exception('Failed to start session');
		}
	}

	/**
	 * @param string $key
	 * @param integer $value
	 * @throws \Exception
	 */
	public function set($key, $value) {
		$this->validateSession();
		$_SESSION[$key] = $value;
	}

	/**
	 * @param string $key
	 * @return mixed
	 */
	public function get($key) {
		if (!$this->exists($key)) {
			return null;
		}
		return $_SESSION[$key];
	}

	/**
	 * @param string $key
	 * @return bool
	 */
	public function exists($key) {
		return isset($_SESSION[$key]);
	}

	/**
	 * @param string $key
	 */
	public function remove($key) {
		if (isset($_SESSION[$key])) {
			unset($_SESSION[$key]);
		}
	}

	public function clear() {
		\session_unset();
		$this->regenerateId();
		@\session_destroy();
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
		@\session_start();
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
		$_SESSION = [];
	}

	public function close() {
		\session_write_close();
		parent::close();
	}

	/**
	 * Wrapper around session_regenerate_id
	 *
	 * @param bool $deleteOldSession Whether to delete the old associated session file or not.
	 * @return void
	 */
	public function regenerateId($deleteOldSession = true) {
		@\session_regenerate_id($deleteOldSession);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
	}

	/**
	 * Wrapper around session_id
	 *
	 * @return string
	 * @throws SessionNotAvailableException
	 * @since 9.1.0
	 */
	public function getId() {
		$id = @\session_id();
		if ($id === '') {
			throw new SessionNotAvailableException();
		}
		return $id;
	}

	/**
	 * @throws \Exception
	 */
	public function reopen() {
		throw new \Exception('The session cannot be reopened - reopen() is ony to be used in unit testing.');
	}

	/**
	 * @param int $errorNumber
	 * @param string $errorString
	 * @throws \ErrorException
	 */
	public function trapError($errorNumber, $errorString) {
		throw new \ErrorException($errorString);
	}

	/**
	 * @throws \Exception
	 */
	private function validateSession() {
		if ($this->sessionClosed) {
			throw new SessionNotAvailableException('Session has been closed - no further changes to the session are allowed');
		}
	}

	private function start(): void {
		if (@\session_id() === '') {
			// prevents javascript from accessing php session cookies
			\ini_set('session.cookie_httponly', true);

			// set the cookie path to the ownCloud directory
			$cookie_path = \OC::$WEBROOT ? : '/';
			\ini_set('session.cookie_path', $cookie_path);

			if ($this->getServerProtocol() === 'https') {
				\ini_set('session.cookie_secure', true);
			}
		}
		\session_start();
	}

	private function getServerProtocol() {
		$req = new Request(
			[
				'get' => $_GET,
				'post' => $_POST,
				'files' => $_FILES,
				'server' => $_SERVER,
				'env' => $_ENV,
				'cookies' => $_COOKIE,
				'method' => $_SERVER['REQUEST_METHOD'] ?? null,
				'urlParams' => [],
			],
			null,
			\OC::$server->getConfig(),
			null
		);

		return $req->getServerProtocol();
	}
}


1			<?php
2			/**
3			* @author cetra3 <[email protected]>
4			* @author Christoph Wurst <[email protected]>
5			* @author Lukas Reschke <[email protected]>
6			* @author Morris Jobke <[email protected]>
7			* @author Phil Davis <[email protected]>
8			* @author Robin Appelman <[email protected]>
9			* @author Thomas Müller <[email protected]>
10			*
11			* @copyright Copyright (c) 2018, ownCloud GmbH
12			* @license AGPL-3.0
13			*
14			* This code is free software: you can redistribute it and/or modify
15			* it under the terms of the GNU Affero General Public License, version 3,
16			* as published by the Free Software Foundation.
17			*
18			* This program is distributed in the hope that it will be useful,
19			* but WITHOUT ANY WARRANTY; without even the implied warranty of
20			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21			* GNU Affero General Public License for more details.
22			*
23			* You should have received a copy of the GNU Affero General Public License, version 3,
24			* along with this program. If not, see <http://www.gnu.org/licenses/>
25			*
26			*/
27
28			namespace OC\Session;
29
30			use OC\AppFramework\Http\Request;
31			use OCP\Session\Exceptions\SessionNotAvailableException;
32
33			/**
34			* Class Internal
35			*
36			* wrap php's internal session handling into the Session interface
37			*
38			* @package OC\Session
39			*/
40			class Internal extends Session {
41			/**
42			* @param string $name
43			* @throws \Exception
44			*/
45			public function __construct($name) {
46			\session_name($name);
47			\set_error_handler([$this, 'trapError']);
48			try {
49			$this->start();
50			} catch (\Exception $e) {
51			\setcookie(\session_name(), null, -1, \OC::$WEBROOT ? : '/');
52			}
53			\restore_error_handler();
54			if ($_SESSION === null) {
55			throw new \Exception('Failed to start session');
56			}
57			}
58
59			/**
60			* @param string $key
61			* @param integer $value
62			* @throws \Exception
63			*/
64			public function set($key, $value) {
65			$this->validateSession();
66			$_SESSION[$key] = $value;
67			}
68
69			/**
70			* @param string $key
71			* @return mixed
72			*/
73			public function get($key) {
74			if (!$this->exists($key)) {
75			return null;
76			}
77			return $_SESSION[$key];
78			}
79
80			/**
81			* @param string $key
82			* @return bool
83			*/
84			public function exists($key) {
85			return isset($_SESSION[$key]);
86			}
87
88			/**
89			* @param string $key
90			*/
91			public function remove($key) {
92			if (isset($_SESSION[$key])) {
93			unset($_SESSION[$key]);
94			}
95			}
96
97			public function clear() {
98			\session_unset();
99			$this->regenerateId();
100			@\session_destroy();
			0 ignored issues – show Security Best Practice introduced 2018-08-01 14:34 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
101			@\session_start();
			0 ignored issues – show Security Best Practice introduced 2018-04-19 19:57 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
102			$_SESSION = [];
103			}
104
105			public function close() {
106			\session_write_close();
107			parent::close();
108			}
109
110			/**
111			* Wrapper around session_regenerate_id
112			*
113			* @param bool $deleteOldSession Whether to delete the old associated session file or not.
114			* @return void
115			*/
116			public function regenerateId($deleteOldSession = true) {
117			@\session_regenerate_id($deleteOldSession);
			0 ignored issues – show Security Best Practice introduced 2016-04-15 05:57 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
118			}
119
120			/**
121			* Wrapper around session_id
122			*
123			* @return string
124			* @throws SessionNotAvailableException
125			* @since 9.1.0
126			*/
127			public function getId() {
128			$id = @\session_id();
129			if ($id === '') {
130			throw new SessionNotAvailableException();
131			}
132			return $id;
133			}
134
135			/**
136			* @throws \Exception
137			*/
138			public function reopen() {
139			throw new \Exception('The session cannot be reopened - reopen() is ony to be used in unit testing.');
140			}
141
142			/**
143			* @param int $errorNumber
144			* @param string $errorString
145			* @throws \ErrorException
146			*/
147			public function trapError($errorNumber, $errorString) {
148			throw new \ErrorException($errorString);
149			}
150
151			/**
152			* @throws \Exception
153			*/
154			private function validateSession() {
155			if ($this->sessionClosed) {
156			throw new SessionNotAvailableException('Session has been closed - no further changes to the session are allowed');
157			}
158			}
159
160			private function start(): void {
161			if (@\session_id() === '') {
162			// prevents javascript from accessing php session cookies
163			\ini_set('session.cookie_httponly', true);
164
165			// set the cookie path to the ownCloud directory
166			$cookie_path = \OC::$WEBROOT ? : '/';
167			\ini_set('session.cookie_path', $cookie_path);
168
169			if ($this->getServerProtocol() === 'https') {
170			\ini_set('session.cookie_secure', true);
171			}
172			}
173			\session_start();
174			}
175
176			private function getServerProtocol() {
177			$req = new Request(
178			[
179			'get' => $_GET,
180			'post' => $_POST,
181			'files' => $_FILES,
182			'server' => $_SERVER,
183			'env' => $_ENV,
184			'cookies' => $_COOKIE,
185			'method' => $_SERVER['REQUEST_METHOD'] ?? null,
186			'urlParams' => [],
187			],
188			null,
189			\OC::$server->getConfig(),
190			null
191			);
192
193			return $req->getServerProtocol();
194			}
195			}
196

owncloud / core

Push — master ( 6b653f...35751f )

Internal::start() A

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