* Facebook support

1 files changed, 76 insertions, 0 deletions

diff --git a/lib/facebook-graph-sdk/src/Facebook/PersistentData/FacebookSessionPersistentDataHandler.php b/lib/facebook-graph-sdk/src/Facebook/PersistentData/FacebookSessionPersistentDataHandler.php
new file mode 100644
index 0000000..698bfd0
--- /dev/null
+++ b/lib/facebook-graph-sdk/src/Facebook/PersistentData/FacebookSessionPersistentDataHandler.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * Copyright 2014 Facebook, Inc.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to
+ * use, copy, modify, and distribute this software in source code or binary
+ * form for use in connection with the web services and APIs provided by
+ * Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use
+ * of this software is subject to the Facebook Developer Principles and
+ * Policies [http://developers.facebook.com/policy/]. This copyright notice
+ * shall be included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+namespace Facebook\PersistentData;
+
+use Facebook\Exceptions\FacebookSDKException;
+
+/**
+ * Class FacebookSessionPersistentDataHandler
+ *
+ * @package Facebook
+ */
+class FacebookSessionPersistentDataHandler implements PersistentDataInterface
+{
+    /**
+     * @var string Prefix to use for session variables.
+     */
+    protected $sessionPrefix = 'FBRLH_';
+
+    /**
+     * Init the session handler.
+     *
+     * @param boolean $enableSessionCheck
+     *
+     * @throws FacebookSDKException
+     */
+    public function __construct($enableSessionCheck = true)
+    {
+        if ($enableSessionCheck && session_status() !== PHP_SESSION_ACTIVE) {
+            throw new FacebookSDKException(
+                'Sessions are not active. Please make sure session_start() is at the top of your script.',
+                720
+            );
+        }
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function get($key)
+    {
+        if (isset($_SESSION[$this->sessionPrefix . $key])) {
+            return $_SESSION[$this->sessionPrefix . $key];
+        }
+
+        return null;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function set($key, $value)
+    {
+        $_SESSION[$this->sessionPrefix . $key] = $value;
+    }
+}