silverstripe / silverstripe-hybridsessions

src/Store/CookieStore.php

Indentation +183 added lines, -183 removed lines

@@ -22,187 +22,187 @@
 class CookieStore extends BaseStore
 {
 
-    /**
-     * Maximum length of a cookie value in characters
-     *
-     * @var int
-     * @config
-     */
-    private static $max_length = 1024;
-
-    /**
-     * Encryption service
-     *
-     * @var HybridSessionStore_Crypto
-     */
-    protected $crypto;
-
-    /**
-     * Name of cookie
-     *
-     * @var string
-     */
-    protected $cookie;
-
-    /**
-     * Known unmodified value of this cookie. If the cookie backend has been read into the application,
-     * then the backend is unable to verify the modification state of this value internally within the
-     * system, so this will be left null unless written back.
-     *
-     * If the content exceeds max_length then the backend can also not maintain this cookie, also
-     * setting this variable to null.
-     *
-     * @var string
-     */
-    protected $currentCookieData;
-
-    public function open($save_path, $name)
-    {
-        $this->cookie = $name . '_2';
-
-        // Read the incoming value, then clear the cookie - we might not be able
-        // to do so later if write() is called after headers are sent
-        // This is intended to force a failover to the database store if the
-        // modified session cannot be emitted.
-        $this->currentCookieData = Cookie::get($this->cookie);
-
-        if ($this->currentCookieData) {
-            Cookie::set($this->cookie, '');
-        }
-    }
-
-    public function close()
-    {
-    }
-
-    /**
-     * Get the cryptography store for the specified session
-     *
-     * @param string $session_id
-     * @return HybridSessionStore_Crypto
-     */
-    protected function getCrypto($session_id)
-    {
-        $key = $this->getKey();
-
-        if (!$key) {
-            return null;
-        }
-
-        if (!$this->crypto || $this->crypto->getSalt() != $session_id) {
-            $this->crypto = Injector::inst()->create(CryptoHandler::class, $key, $session_id);
-        }
-
-        return $this->crypto;
-    }
-
-    public function read($session_id)
-    {
-        // Check ability to safely decrypt content
-        if (!$this->currentCookieData) {
-            return;
-        }
-
-        $crypto = $this->getCrypto($session_id);
-        if (!$crypto) {
-            return;
-        }
-
-        // Decrypt and invalidate old data
-        $cookieData = $crypto->decrypt($this->currentCookieData);
-        $this->currentCookieData = null;
-
-        // Verify expiration
-        if ($cookieData) {
-            $expiry = (int)substr($cookieData, 0, 10);
-            $data = substr($cookieData, 10);
-
-            if ($expiry > $this->getNow()) {
-                return $data;
-            }
-        }
-    }
-
-    /**
-     * Determine if the session could be verifably written to cookie storage
-     *
-     * @return bool
-     */
-    protected function canWrite()
-    {
-        return !headers_sent();
-    }
-
-    public function write($session_id, $session_data)
-    {
-        $canWrite = $this->canWrite();
-        $isExceedingCookieLimit = (strlen($session_data) > static::config()->get('max_length'));
-        $crypto = $this->getCrypto($session_id);
-
-        // Check ability to safely encrypt and write content
-        if (!$canWrite || $isExceedingCookieLimit || !$crypto) {
-            if ($canWrite && $isExceedingCookieLimit) {
-                $params = session_get_cookie_params();
-                // Clear stored cookie value and cookie when length exceeds the set limit
-                $this->currentCookieData = null;
-                Cookie::set(
-                    $this->cookie,
-                    '',
-                    0,
-                    $params['path'],
-                    $params['domain'],
-                    $params['secure'],
-                    $params['httponly']
-                );
-            }
-
-            return false;
-        }
-
-        // Prepare content for write
-        $params = session_get_cookie_params();
-        // Total max lifetime, stored internally
-        $lifetime = $this->getLifetime();
-        $expiry = $this->getNow() + $lifetime;
-
-        // Restore the known good cookie value
-        $this->currentCookieData = $this->crypto->encrypt(
-            sprintf('%010u', $expiry) . $session_data
-        );
-
-        // Respect auto-expire on browser close for the session cookie (in case the cookie lifetime is zero)
-        $cookieLifetime = min((int)$params['lifetime'], $lifetime);
-
-        Cookie::set(
-            $this->cookie,
-            $this->currentCookieData,
-            $cookieLifetime / 86400,
-            $params['path'],
-            $params['domain'],
-            $params['secure'],
-            $params['httponly']
-        );
-
-        return true;
-    }
-
-    public function destroy($session_id)
-    {
-        $this->currentCookieData = null;
-
-        $params = session_get_cookie_params();
-
-        Cookie::force_expiry(
-            $this->cookie,
-            $params['path'],
-            $params['domain'],
-            $params['secure'],
-            $params['httponly']
-        );
-    }
-
-    public function gc($maxlifetime)
-    {
-        // NOP
-    }
+	/**
+	 * Maximum length of a cookie value in characters
+	 *
+	 * @var int
+	 * @config
+	 */
+	private static $max_length = 1024;
+
+	/**
+	 * Encryption service
+	 *
+	 * @var HybridSessionStore_Crypto
+	 */
+	protected $crypto;
+
+	/**
+	 * Name of cookie
+	 *
+	 * @var string
+	 */
+	protected $cookie;
+
+	/**
+	 * Known unmodified value of this cookie. If the cookie backend has been read into the application,
+	 * then the backend is unable to verify the modification state of this value internally within the
+	 * system, so this will be left null unless written back.
+	 *
+	 * If the content exceeds max_length then the backend can also not maintain this cookie, also
+	 * setting this variable to null.
+	 *
+	 * @var string
+	 */
+	protected $currentCookieData;
+
+	public function open($save_path, $name)
+	{
+		$this->cookie = $name . '_2';
+
+		// Read the incoming value, then clear the cookie - we might not be able
+		// to do so later if write() is called after headers are sent
+		// This is intended to force a failover to the database store if the
+		// modified session cannot be emitted.
+		$this->currentCookieData = Cookie::get($this->cookie);
+
+		if ($this->currentCookieData) {
+			Cookie::set($this->cookie, '');
+		}
+	}
+
+	public function close()
+	{
+	}
+
+	/**
+	 * Get the cryptography store for the specified session
+	 *
+	 * @param string $session_id
+	 * @return HybridSessionStore_Crypto
+	 */
+	protected function getCrypto($session_id)
+	{
+		$key = $this->getKey();
+
+		if (!$key) {
+			return null;
+		}
+
+		if (!$this->crypto || $this->crypto->getSalt() != $session_id) {
+			$this->crypto = Injector::inst()->create(CryptoHandler::class, $key, $session_id);
+		}
+
+		return $this->crypto;
+	}
+
+	public function read($session_id)
+	{
+		// Check ability to safely decrypt content
+		if (!$this->currentCookieData) {
+			return;
+		}
+
+		$crypto = $this->getCrypto($session_id);
+		if (!$crypto) {
+			return;
+		}
+
+		// Decrypt and invalidate old data
+		$cookieData = $crypto->decrypt($this->currentCookieData);
+		$this->currentCookieData = null;
+
+		// Verify expiration
+		if ($cookieData) {
+			$expiry = (int)substr($cookieData, 0, 10);
+			$data = substr($cookieData, 10);
+
+			if ($expiry > $this->getNow()) {
+				return $data;
+			}
+		}
+	}
+
+	/**
+	 * Determine if the session could be verifably written to cookie storage
+	 *
+	 * @return bool
+	 */
+	protected function canWrite()
+	{
+		return !headers_sent();
+	}
+
+	public function write($session_id, $session_data)
+	{
+		$canWrite = $this->canWrite();
+		$isExceedingCookieLimit = (strlen($session_data) > static::config()->get('max_length'));
+		$crypto = $this->getCrypto($session_id);
+
+		// Check ability to safely encrypt and write content
+		if (!$canWrite || $isExceedingCookieLimit || !$crypto) {
+			if ($canWrite && $isExceedingCookieLimit) {
+				$params = session_get_cookie_params();
+				// Clear stored cookie value and cookie when length exceeds the set limit
+				$this->currentCookieData = null;
+				Cookie::set(
+					$this->cookie,
+					'',
+					0,
+					$params['path'],
+					$params['domain'],
+					$params['secure'],
+					$params['httponly']
+				);
+			}
+
+			return false;
+		}
+
+		// Prepare content for write
+		$params = session_get_cookie_params();
+		// Total max lifetime, stored internally
+		$lifetime = $this->getLifetime();
+		$expiry = $this->getNow() + $lifetime;
+
+		// Restore the known good cookie value
+		$this->currentCookieData = $this->crypto->encrypt(
+			sprintf('%010u', $expiry) . $session_data
+		);
+
+		// Respect auto-expire on browser close for the session cookie (in case the cookie lifetime is zero)
+		$cookieLifetime = min((int)$params['lifetime'], $lifetime);
+
+		Cookie::set(
+			$this->cookie,
+			$this->currentCookieData,
+			$cookieLifetime / 86400,
+			$params['path'],
+			$params['domain'],
+			$params['secure'],
+			$params['httponly']
+		);
+
+		return true;
+	}
+
+	public function destroy($session_id)
+	{
+		$this->currentCookieData = null;
+
+		$params = session_get_cookie_params();
+
+		Cookie::force_expiry(
+			$this->cookie,
+			$params['path'],
+			$params['domain'],
+			$params['secure'],
+			$params['httponly']
+		);
+	}
+
+	public function gc($maxlifetime)
+	{
+		// NOP
+	}
 }