Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

10 files changed, 1691 insertions, 0 deletions

diff --git a/library/vendor/Zend/Session/Abstract.php b/library/vendor/Zend/Session/Abstract.php
new file mode 100644
index 0000000..15ffde0
--- /dev/null
+++ b/library/vendor/Zend/Session/Abstract.php
@@ -0,0 +1,182 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+
+/**
+ * Zend_Session_Abstract
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Session_Abstract
+{
+    /**
+     * Whether or not session permits writing (modification of $_SESSION[])
+     *
+     * @var bool
+     */
+    protected static $_writable = false;
+
+    /**
+     * Whether or not session permits reading (reading data in $_SESSION[])
+     *
+     * @var bool
+     */
+    protected static $_readable = false;
+
+    /**
+     * Since expiring data is handled at startup to avoid __destruct difficulties,
+     * the data that will be expiring at end of this request is held here
+     *
+     * @var array
+     */
+    protected static $_expiringData = array();
+
+
+    /**
+     * Error message thrown when an action requires modification,
+     * but current Zend_Session has been marked as read-only.
+     */
+    const _THROW_NOT_WRITABLE_MSG = 'Zend_Session is currently marked as read-only.';
+
+
+    /**
+     * Error message thrown when an action requires reading session data,
+     * but current Zend_Session is not marked as readable.
+     */
+    const _THROW_NOT_READABLE_MSG = 'Zend_Session is not marked as readable.';
+
+
+    /**
+     * namespaceIsset() - check to see if a namespace or a variable within a namespace is set
+     *
+     * @param  string $namespace
+     * @param  string $name
+     * @return bool
+     */
+    protected static function _namespaceIsset($namespace, $name = null)
+    {
+        if (self::$_readable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG);
+        }
+
+        if ($name === null) {
+            return ( isset($_SESSION[$namespace]) || isset(self::$_expiringData[$namespace]) );
+        } else {
+            return ( isset($_SESSION[$namespace][$name]) || isset(self::$_expiringData[$namespace][$name]) );
+        }
+    }
+
+
+    /**
+     * namespaceUnset() - unset a namespace or a variable within a namespace
+     *
+     * @param  string $namespace
+     * @param  string $name
+     * @throws Zend_Session_Exception
+     * @return void
+     */
+    protected static function _namespaceUnset($namespace, $name = null)
+    {
+        if (self::$_writable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(self::_THROW_NOT_WRITABLE_MSG);
+        }
+
+        $name = (string) $name;
+
+        // check to see if the api wanted to remove a var from a namespace or a namespace
+        if ($name === '') {
+            unset($_SESSION[$namespace]);
+            unset(self::$_expiringData[$namespace]);
+        } else {
+            unset($_SESSION[$namespace][$name]);
+            unset(self::$_expiringData[$namespace][$name]);
+        }
+
+        // if we remove the last value, remove namespace.
+        if (empty($_SESSION[$namespace])) {
+            unset($_SESSION[$namespace]);
+        }
+    }
+
+
+    /**
+     * namespaceGet() - Get $name variable from $namespace, returning by reference.
+     *
+     * @param  string $namespace
+     * @param  string $name
+     * @return mixed
+     */
+    protected static function & _namespaceGet($namespace, $name = null)
+    {
+        if (self::$_readable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG);
+        }
+
+        if ($name === null) {
+            if (isset($_SESSION[$namespace])) { // check session first for data requested
+                return $_SESSION[$namespace];
+            } elseif (isset(self::$_expiringData[$namespace])) { // check expiring data for data reqeusted
+                return self::$_expiringData[$namespace];
+            } else {
+                return $_SESSION[$namespace]; // satisfy return by reference
+            }
+        } else {
+            if (isset($_SESSION[$namespace][$name])) { // check session first
+                return $_SESSION[$namespace][$name];
+            } elseif (isset(self::$_expiringData[$namespace][$name])) { // check expiring data
+                return self::$_expiringData[$namespace][$name];
+            } else {
+                return $_SESSION[$namespace][$name]; // satisfy return by reference
+            }
+        }
+    }
+
+
+    /**
+     * namespaceGetAll() - Get an array containing $namespace, including expiring data.
+     *
+     * @param string $namespace
+     * @param string $name
+     * @return mixed
+     */
+    protected static function _namespaceGetAll($namespace)
+    {
+        $currentData  = (isset($_SESSION[$namespace]) && is_array($_SESSION[$namespace])) ?
+            $_SESSION[$namespace] : array();
+        $expiringData = (isset(self::$_expiringData[$namespace]) && is_array(self::$_expiringData[$namespace])) ?
+            self::$_expiringData[$namespace] : array();
+        return array_merge($currentData, $expiringData);
+    }
+}
diff --git a/library/vendor/Zend/Session/Exception.php b/library/vendor/Zend/Session/Exception.php
new file mode 100644
index 0000000..52672ec
--- /dev/null
+++ b/library/vendor/Zend/Session/Exception.php
@@ -0,0 +1,73 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+
+/**
+ * @see Zend_Exception
+ */
+
+
+/**
+ * Zend_Session_Exception
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Session_Exception extends Zend_Exception
+{
+    /**
+     * sessionStartError
+     *
+     * @see http://framework.zend.com/issues/browse/ZF-1325
+     * @var string PHP Error Message
+     */
+    static public $sessionStartError = null;
+
+    /**
+     * handleSessionStartError() - interface for set_error_handler()
+     *
+     * @see    http://framework.zend.com/issues/browse/ZF-1325
+     * @param  int    $errno
+     * @param  string $errstr
+     * @return void
+     */
+    static public function handleSessionStartError($errno, $errstr, $errfile, $errline, $errcontext)
+    {
+        self::$sessionStartError = $errfile . '(Line:' . $errline . '): Error #' . $errno . ' ' . $errstr;
+    }
+
+    /**
+     * handleSilentWriteClose() - interface for set_error_handler()
+     *
+     * @see    http://framework.zend.com/issues/browse/ZF-1325
+     * @param  int    $errno
+     * @param  string $errstr
+     * @return void
+     */
+    static public function handleSilentWriteClose($errno, $errstr, $errfile, $errline, $errcontext)
+    {
+        self::$sessionStartError .= PHP_EOL . $errfile . '(Line:' . $errline . '): Error #' . $errno . ' ' . $errstr;
+    }
+}
+
diff --git a/library/vendor/Zend/Session/Namespace.php b/library/vendor/Zend/Session/Namespace.php
new file mode 100644
index 0000000..52d7945
--- /dev/null
+++ b/library/vendor/Zend/Session/Namespace.php
@@ -0,0 +1,511 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+
+/**
+ * @see Zend_Session
+ */
+
+
+/**
+ * @see Zend_Session_Abstract
+ */
+
+
+/**
+ * Zend_Session_Namespace
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Session_Namespace extends Zend_Session_Abstract implements IteratorAggregate
+{
+
+    /**
+     * used as option to constructor to prevent additional instances to the same namespace
+     */
+    const SINGLE_INSTANCE = true;
+
+    /**
+     * Namespace - which namespace this instance of zend-session is saving-to/getting-from
+     *
+     * @var string
+     */
+    protected $_namespace = "Default";
+
+    /**
+     * Namespace locking mechanism
+     *
+     * @var array
+     */
+    protected static $_namespaceLocks = array();
+
+    /**
+     * Single instance namespace array to ensure data security.
+     *
+     * @var array
+     */
+    protected static $_singleInstances = array();
+
+    /**
+     * resetSingleInstance()
+     *
+     * @param string $namespaceName
+     * @return null
+     */
+    public static function resetSingleInstance($namespaceName = null)
+    {
+        if ($namespaceName != null) {
+            if (array_key_exists($namespaceName, self::$_singleInstances)) {
+                unset(self::$_singleInstances[$namespaceName]);
+            }
+            return;
+        }
+
+        self::$_singleInstances = array();
+        return;
+    }
+
+    /**
+     * __construct() - Returns an instance object bound to a particular, isolated section
+     * of the session, identified by $namespace name (defaulting to 'Default').
+     * The optional argument $singleInstance will prevent construction of additional
+     * instance objects acting as accessors to this $namespace.
+     *
+     * @param string $namespace       - programmatic name of the requested namespace
+     * @param bool $singleInstance    - prevent creation of additional accessor instance objects for this namespace
+     * @return void
+     */
+    public function __construct($namespace = 'Default', $singleInstance = false)
+    {
+        if ($namespace === '') {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('Session namespace must be a non-empty string.');
+        }
+
+        if ($namespace[0] == "_") {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('Session namespace must not start with an underscore.');
+        }
+
+        if (preg_match('#(^[0-9])#i', $namespace[0])) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('Session namespace must not start with a number.');
+        }
+
+        if (isset(self::$_singleInstances[$namespace])) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception("A session namespace object already exists for this namespace ('$namespace'), and no additional accessors (session namespace objects) for this namespace are permitted.");
+        }
+
+        if ($singleInstance === true) {
+            self::$_singleInstances[$namespace] = true;
+        }
+
+        $this->_namespace = $namespace;
+
+        // Process metadata specific only to this namespace.
+        Zend_Session::start(true); // attempt auto-start (throws exception if strict option set)
+
+        if (self::$_readable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG);
+        }
+
+        if (!isset($_SESSION['__ZF'])) {
+            return; // no further processing needed
+        }
+
+        // do not allow write access to namespaces, after stop() or writeClose()
+        if (parent::$_writable === true) {
+            if (isset($_SESSION['__ZF'][$namespace])) {
+
+                // Expire Namespace by Namespace Hop (ENNH)
+                if (isset($_SESSION['__ZF'][$namespace]['ENNH'])) {
+                    $_SESSION['__ZF'][$namespace]['ENNH']--;
+
+                    if ($_SESSION['__ZF'][$namespace]['ENNH'] === 0) {
+                        if (isset($_SESSION[$namespace])) {
+                            self::$_expiringData[$namespace] = $_SESSION[$namespace];
+                            unset($_SESSION[$namespace]);
+                        }
+                        unset($_SESSION['__ZF'][$namespace]);
+                    }
+                }
+
+                // Expire Namespace Variables by Namespace Hop (ENVNH)
+                if (isset($_SESSION['__ZF'][$namespace]['ENVNH'])) {
+                    foreach ($_SESSION['__ZF'][$namespace]['ENVNH'] as $variable => $hops) {
+                        $_SESSION['__ZF'][$namespace]['ENVNH'][$variable]--;
+
+                        if ($_SESSION['__ZF'][$namespace]['ENVNH'][$variable] === 0) {
+                            if (isset($_SESSION[$namespace][$variable])) {
+                                self::$_expiringData[$namespace][$variable] = $_SESSION[$namespace][$variable];
+                                unset($_SESSION[$namespace][$variable]);
+                            }
+                            unset($_SESSION['__ZF'][$namespace]['ENVNH'][$variable]);
+                        }
+                    }
+                    if(empty($_SESSION['__ZF'][$namespace]['ENVNH'])) {
+                        unset($_SESSION['__ZF'][$namespace]['ENVNH']);
+                    }
+                }
+            }
+
+            if (empty($_SESSION['__ZF'][$namespace])) {
+                unset($_SESSION['__ZF'][$namespace]);
+            }
+
+            if (empty($_SESSION['__ZF'])) {
+                unset($_SESSION['__ZF']);
+            }
+        }
+    }
+
+
+    /**
+     * getIterator() - return an iteratable object for use in foreach and the like,
+     * this completes the IteratorAggregate interface
+     *
+     * @return ArrayObject - iteratable container of the namespace contents
+     */
+    public function getIterator()
+    {
+        return new ArrayObject(parent::_namespaceGetAll($this->_namespace));
+    }
+
+
+    /**
+     * lock() - mark a session/namespace as readonly
+     *
+     * @return void
+     */
+    public function lock()
+    {
+        self::$_namespaceLocks[$this->_namespace] = true;
+    }
+
+
+    /**
+     * unlock() - unmark a session/namespace to enable read & write
+     *
+     * @return void
+     */
+    public function unlock()
+    {
+        unset(self::$_namespaceLocks[$this->_namespace]);
+    }
+
+
+    /**
+     * unlockAll() - unmark all session/namespaces to enable read & write
+     *
+     * @return void
+     */
+    public static function unlockAll()
+    {
+        self::$_namespaceLocks = array();
+    }
+
+
+    /**
+     * isLocked() - return lock status, true if, and only if, read-only
+     *
+     * @return bool
+     */
+    public function isLocked()
+    {
+        return isset(self::$_namespaceLocks[$this->_namespace]);
+    }
+
+
+    /**
+     * unsetAll() - unset all variables in this namespace
+     *
+     * @return true
+     */
+    public function unsetAll()
+    {
+        return parent::_namespaceUnset($this->_namespace);
+    }
+
+
+    /**
+     * __get() - method to get a variable in this object's current namespace
+     *
+     * @param string $name - programmatic name of a key, in a <key,value> pair in the current namespace
+     * @return mixed
+     */
+    public function & __get($name)
+    {
+        if ($name === '') {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception("The '$name' key must be a non-empty string");
+        }
+
+        return parent::_namespaceGet($this->_namespace, $name);
+    }
+
+
+    /**
+     * __set() - method to set a variable/value in this object's namespace
+     *
+     * @param string $name - programmatic name of a key, in a <key,value> pair in the current namespace
+     * @param mixed $value - value in the <key,value> pair to assign to the $name key
+     * @throws Zend_Session_Exception
+     * @return true
+     */
+    public function __set($name, $value)
+    {
+        if (isset(self::$_namespaceLocks[$this->_namespace])) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('This session/namespace has been marked as read-only.');
+        }
+
+        if ($name === '') {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception("The '$name' key must be a non-empty string");
+        }
+
+        if (parent::$_writable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(parent::_THROW_NOT_WRITABLE_MSG);
+        }
+
+        $name = (string) $name;
+
+        $_SESSION[$this->_namespace][$name] = $value;
+    }
+
+
+    /**
+     * apply() - enables applying user-selected function, such as array_merge() to the namespace
+     * Parameters following the $callback argument are passed to the callback function.
+     * Caveat: ignores members expiring now.
+     *
+     * Example:
+     *   $namespace->apply('array_merge', array('tree' => 'apple', 'fruit' => 'peach'), array('flower' => 'rose'));
+     *   $namespace->apply('count');
+     *
+     * @param string|array $callback - callback function
+     */
+    public function apply($callback)
+    {
+        $arg_list = func_get_args();
+        $arg_list[0] = $_SESSION[$this->_namespace];
+        return call_user_func_array($callback, $arg_list);
+    }
+
+
+    /**
+     * applySet() - enables applying user-selected function, and sets entire namespace to the result
+     * Result of $callback must be an array.
+     * Parameters following the $callback argument are passed to the callback function.
+     * Caveat: ignores members expiring now.
+     *
+     * Example:
+     *   $namespace->applySet('array_merge', array('tree' => 'apple', 'fruit' => 'peach'), array('flower' => 'rose'));
+     *
+     * @param string|array $callback - callback function
+     */
+    public function applySet($callback)
+    {
+        $arg_list = func_get_args();
+        $arg_list[0] = $_SESSION[$this->_namespace];
+        $result = call_user_func_array($callback, $arg_list);
+        if (!is_array($result)) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('Result must be an array. Got: ' . gettype($result));
+        }
+        $_SESSION[$this->_namespace] = $result;
+        return $result;
+    }
+
+
+    /**
+     * __isset() - determine if a variable in this object's namespace is set
+     *
+     * @param string $name - programmatic name of a key, in a <key,value> pair in the current namespace
+     * @return bool
+     */
+    public function __isset($name)
+    {
+        if ($name === '') {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception("The '$name' key must be a non-empty string");
+        }
+
+        return parent::_namespaceIsset($this->_namespace, $name);
+    }
+
+
+    /**
+     * __unset() - unset a variable in this object's namespace.
+     *
+     * @param string $name - programmatic name of a key, in a <key,value> pair in the current namespace
+     * @return true
+     */
+    public function __unset($name)
+    {
+        if ($name === '') {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception("The '$name' key must be a non-empty string");
+        }
+
+        return parent::_namespaceUnset($this->_namespace, $name);
+    }
+
+
+    /**
+     * setExpirationSeconds() - expire the namespace, or specific variables after a specified
+     * number of seconds
+     *
+     * @param int $seconds     - expires in this many seconds
+     * @param mixed $variables - OPTIONAL list of variables to expire (defaults to all)
+     * @throws Zend_Session_Exception
+     * @return void
+     */
+    public function setExpirationSeconds($seconds, $variables = null)
+    {
+        if (parent::$_writable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(parent::_THROW_NOT_WRITABLE_MSG);
+        }
+
+        if ($seconds <= 0) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('Seconds must be positive.');
+        }
+
+        if ($variables === null) {
+
+            // apply expiration to entire namespace
+            $_SESSION['__ZF'][$this->_namespace]['ENT'] = time() + $seconds;
+
+        } else {
+
+            if (is_string($variables)) {
+                $variables = array($variables);
+            }
+
+            foreach ($variables as $variable) {
+                if (!empty($variable)) {
+                    $_SESSION['__ZF'][$this->_namespace]['ENVT'][$variable] = time() + $seconds;
+                }
+            }
+        }
+    }
+
+
+    /**
+     * setExpirationHops() - expire the namespace, or specific variables after a specified
+     * number of page hops
+     *
+     * @param int $hops        - how many "hops" (number of subsequent requests) before expiring
+     * @param mixed $variables - OPTIONAL list of variables to expire (defaults to all)
+     * @param boolean $hopCountOnUsageOnly - OPTIONAL if set, only count a hop/request if this namespace is used
+     * @throws Zend_Session_Exception
+     * @return void
+     */
+    public function setExpirationHops($hops, $variables = null, $hopCountOnUsageOnly = false)
+    {
+        if (parent::$_writable === false) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception(parent::_THROW_NOT_WRITABLE_MSG);
+        }
+
+        if ($hops <= 0) {
+            /**
+             * @see Zend_Session_Exception
+             */
+            throw new Zend_Session_Exception('Hops must be positive number.');
+        }
+
+        if ($variables === null) {
+
+            // apply expiration to entire namespace
+            if ($hopCountOnUsageOnly === false) {
+                $_SESSION['__ZF'][$this->_namespace]['ENGH'] = $hops;
+            } else {
+                $_SESSION['__ZF'][$this->_namespace]['ENNH'] = $hops;
+            }
+
+        } else {
+
+            if (is_string($variables)) {
+                $variables = array($variables);
+            }
+
+            foreach ($variables as $variable) {
+                if (!empty($variable)) {
+                    if ($hopCountOnUsageOnly === false) {
+                        $_SESSION['__ZF'][$this->_namespace]['ENVGH'][$variable] = $hops;
+                    } else {
+                        $_SESSION['__ZF'][$this->_namespace]['ENVNH'][$variable] = $hops;
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Returns the namespace name
+     *
+     * @return string
+     */
+    public function getNamespace()
+    {
+        return $this->_namespace;
+    }
+}
diff --git a/library/vendor/Zend/Session/SaveHandler/DbTable.php b/library/vendor/Zend/Session/SaveHandler/DbTable.php
new file mode 100644
index 0000000..a4b1bf7
--- /dev/null
+++ b/library/vendor/Zend/Session/SaveHandler/DbTable.php
@@ -0,0 +1,579 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-webat this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Session
+ */
+
+/**
+ * @see Zend_Db_Table_Abstract
+ */
+
+/**
+ * @see Zend_Db_Table_Row_Abstract
+ */
+
+/**
+ * @see Zend_Config
+ */
+
+/**
+ * Zend_Session_SaveHandler_DbTable
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @subpackage SaveHandler
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Session_SaveHandler_DbTable
+    extends Zend_Db_Table_Abstract
+    implements Zend_Session_SaveHandler_Interface
+{
+    const PRIMARY_ASSIGNMENT                   = 'primaryAssignment';
+    const PRIMARY_ASSIGNMENT_SESSION_SAVE_PATH = 'sessionSavePath';
+    const PRIMARY_ASSIGNMENT_SESSION_NAME      = 'sessionName';
+    const PRIMARY_ASSIGNMENT_SESSION_ID        = 'sessionId';
+
+    const MODIFIED_COLUMN   = 'modifiedColumn';
+    const LIFETIME_COLUMN   = 'lifetimeColumn';
+    const DATA_COLUMN       = 'dataColumn';
+
+    const LIFETIME          = 'lifetime';
+    const OVERRIDE_LIFETIME = 'overrideLifetime';
+
+    const PRIMARY_TYPE_NUM         = 'PRIMARY_TYPE_NUM';
+    const PRIMARY_TYPE_PRIMARYNUM  = 'PRIMARY_TYPE_PRIMARYNUM';
+    const PRIMARY_TYPE_ASSOC       = 'PRIMARY_TYPE_ASSOC';
+    const PRIMARY_TYPE_WHERECLAUSE = 'PRIMARY_TYPE_WHERECLAUSE';
+
+    /**
+     * Session table primary key value assignment
+     *
+     * @var array
+     */
+    protected $_primaryAssignment = null;
+
+    /**
+     * Session table last modification time column
+     *
+     * @var string
+     */
+    protected $_modifiedColumn = null;
+
+    /**
+     * Session table lifetime column
+     *
+     * @var string
+     */
+    protected $_lifetimeColumn = null;
+
+    /**
+     * Session table data column
+     *
+     * @var string
+     */
+    protected $_dataColumn = null;
+
+    /**
+     * Session lifetime
+     *
+     * @var int
+     */
+    protected $_lifetime = false;
+
+    /**
+     * Whether or not the lifetime of an existing session should be overridden
+     *
+     * @var boolean
+     */
+    protected $_overrideLifetime = false;
+
+    /**
+     * Session save path
+     *
+     * @var string
+     */
+    protected $_sessionSavePath;
+
+    /**
+     * Session name
+     *
+     * @var string
+     */
+    protected $_sessionName;
+
+    /**
+     * Constructor
+     *
+     * $config is an instance of Zend_Config or an array of key/value pairs containing configuration options for
+     * Zend_Session_SaveHandler_DbTable and Zend_Db_Table_Abstract. These are the configuration options for
+     * Zend_Session_SaveHandler_DbTable:
+     *
+     * primaryAssignment => (string|array) Session table primary key value assignment
+     *      (optional; default: 1 => sessionId) You have to assign a value to each primary key of your session table.
+     *      The value of this configuration option is either a string if you have only one primary key or an array if
+     *      you have multiple primary keys. The array consists of numeric keys starting at 1 and string values. There
+     *      are some values which will be replaced by session information:
+     *
+     *      sessionId       => The id of the current session
+     *      sessionName     => The name of the current session
+     *      sessionSavePath => The save path of the current session
+     *
+     *      NOTE: One of your assignments MUST contain 'sessionId' as value!
+     *
+     * modifiedColumn    => (string) Session table last modification time column
+     *
+     * lifetimeColumn    => (string) Session table lifetime column
+     *
+     * dataColumn        => (string) Session table data column
+     *
+     * lifetime          => (integer) Session lifetime (optional; default: ini_get('session.gc_maxlifetime'))
+     *
+     * overrideLifetime  => (boolean) Whether or not the lifetime of an existing session should be overridden
+     *      (optional; default: false)
+     *
+     * @param  Zend_Config|array $config      User-provided configuration
+     * @return void
+     * @throws Zend_Session_SaveHandler_Exception
+     */
+    public function __construct($config)
+    {
+        if ($config instanceof Zend_Config) {
+            $config = $config->toArray();
+        } else if (!is_array($config)) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception(
+                '$config must be an instance of Zend_Config or array of key/value pairs containing '
+              . 'configuration options for Zend_Session_SaveHandler_DbTable and Zend_Db_Table_Abstract.');
+        }
+
+        foreach ($config as $key => $value) {
+            do {
+                switch ($key) {
+                    case self::PRIMARY_ASSIGNMENT:
+                        $this->_primaryAssignment = $value;
+                        break;
+                    case self::MODIFIED_COLUMN:
+                        $this->_modifiedColumn = (string) $value;
+                        break;
+                    case self::LIFETIME_COLUMN:
+                        $this->_lifetimeColumn = (string) $value;
+                        break;
+                    case self::DATA_COLUMN:
+                        $this->_dataColumn = (string) $value;
+                        break;
+                    case self::LIFETIME:
+                        $this->setLifetime($value);
+                        break;
+                    case self::OVERRIDE_LIFETIME:
+                        $this->setOverrideLifetime($value);
+                        break;
+                    default:
+                        // unrecognized options passed to parent::__construct()
+                        break 2;
+                }
+                unset($config[$key]);
+            } while (false);
+        }
+
+        parent::__construct($config);
+    }
+
+    /**
+     * Destructor
+     *
+     * @return void
+     */
+    public function __destruct()
+    {
+        Zend_Session::writeClose();
+    }
+
+    /**
+     * Set session lifetime and optional whether or not the lifetime of an existing session should be overridden
+     *
+     * $lifetime === false resets lifetime to session.gc_maxlifetime
+     *
+     * @param int $lifetime
+     * @param boolean $overrideLifetime (optional)
+     * @return Zend_Session_SaveHandler_DbTable
+     */
+    public function setLifetime($lifetime, $overrideLifetime = null)
+    {
+        if ($lifetime < 0) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+            throw new Zend_Session_SaveHandler_Exception();
+        } else if (empty($lifetime)) {
+            $this->_lifetime = (int) ini_get('session.gc_maxlifetime');
+        } else {
+            $this->_lifetime = (int) $lifetime;
+        }
+
+        if ($overrideLifetime != null) {
+            $this->setOverrideLifetime($overrideLifetime);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Retrieve session lifetime
+     *
+     * @return int
+     */
+    public function getLifetime()
+    {
+        return $this->_lifetime;
+    }
+
+    /**
+     * Set whether or not the lifetime of an existing session should be overridden
+     *
+     * @param boolean $overrideLifetime
+     * @return Zend_Session_SaveHandler_DbTable
+     */
+    public function setOverrideLifetime($overrideLifetime)
+    {
+        $this->_overrideLifetime = (boolean) $overrideLifetime;
+
+        return $this;
+    }
+
+    /**
+     * Retrieve whether or not the lifetime of an existing session should be overridden
+     *
+     * @return boolean
+     */
+    public function getOverrideLifetime()
+    {
+        return $this->_overrideLifetime;
+    }
+
+    /**
+     * Open Session
+     *
+     * @param string $save_path
+     * @param string $name
+     * @return boolean
+     */
+    public function open($save_path, $name)
+    {
+        $this->_sessionSavePath = $save_path;
+        $this->_sessionName     = $name;
+
+        return true;
+    }
+
+    /**
+     * Close session
+     *
+     * @return boolean
+     */
+    public function close()
+    {
+        return true;
+    }
+
+    /**
+     * Read session data
+     *
+     * @param string $id
+     * @return string
+     */
+    public function read($id)
+    {
+        $return = '';
+
+        $rows = call_user_func_array(array(&$this, 'find'), $this->_getPrimary($id));
+
+        if (count($rows)) {
+            if ($this->_getExpirationTime($row = $rows->current()) > time()) {
+                $return = $row->{$this->_dataColumn};
+            } else {
+                $this->destroy($id);
+            }
+        }
+
+        return $return;
+    }
+
+    /**
+     * Write session data
+     *
+     * @param string $id
+     * @param string $data
+     * @return boolean
+     */
+    public function write($id, $data)
+    {
+        $return = false;
+
+        $data = array($this->_modifiedColumn => time(),
+                      $this->_dataColumn     => (string) $data);
+
+        $rows = call_user_func_array(array(&$this, 'find'), $this->_getPrimary($id));
+
+        if (count($rows)) {
+            $data[$this->_lifetimeColumn] = $this->_getLifetime($rows->current());
+
+            if ($this->update($data, $this->_getPrimary($id, self::PRIMARY_TYPE_WHERECLAUSE))) {
+                $return = true;
+            }
+        } else {
+            $data[$this->_lifetimeColumn] = $this->_lifetime;
+
+            if ($this->insert(array_merge($this->_getPrimary($id, self::PRIMARY_TYPE_ASSOC), $data))) {
+                $return = true;
+            }
+        }
+
+        return $return;
+    }
+
+    /**
+     * Destroy session
+     *
+     * @param string $id
+     * @return boolean
+     */
+    public function destroy($id)
+    {
+        $return = false;
+
+        if ($this->delete($this->_getPrimary($id, self::PRIMARY_TYPE_WHERECLAUSE))) {
+            $return = true;
+        }
+
+        return $return;
+    }
+
+    /**
+     * Garbage Collection
+     *
+     * @param int $maxlifetime
+     * @return true
+     */
+    public function gc($maxlifetime)
+    {
+        $this->delete($this->getAdapter()->quoteIdentifier($this->_modifiedColumn, true) . ' + '
+                    . $this->getAdapter()->quoteIdentifier($this->_lifetimeColumn, true) . ' < '
+                    . $this->getAdapter()->quote(time()));
+
+        return true;
+    }
+
+    /**
+     * Calls other protected methods for individual setup tasks and requirement checks
+     *
+     * @return void
+     */
+    protected function _setup()
+    {
+        parent::_setup();
+
+        $this->_setupPrimaryAssignment();
+        $this->setLifetime($this->_lifetime);
+
+        $this->_checkRequiredColumns();
+    }
+
+    /**
+     * Initialize table and schema names
+     *
+     * @return void
+     * @throws Zend_Session_SaveHandler_Exception
+     */
+    protected function _setupTableName()
+    {
+        if (empty($this->_name) && basename(($this->_name = session_save_path())) != $this->_name) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception('session.save_path is a path and not a table name.');
+        }
+
+        if (strpos($this->_name, '.')) {
+            list($this->_schema, $this->_name) = explode('.', $this->_name);
+        }
+    }
+
+    /**
+     * Initialize session table primary key value assignment
+     *
+     * @return void
+     * @throws Zend_Session_SaveHandler_Exception
+     */
+    protected function _setupPrimaryAssignment()
+    {
+        if ($this->_primaryAssignment === null) {
+            $this->_primaryAssignment = array(1 => self::PRIMARY_ASSIGNMENT_SESSION_ID);
+        } else if (!is_array($this->_primaryAssignment)) {
+            $this->_primaryAssignment = array(1 => (string) $this->_primaryAssignment);
+        } else if (isset($this->_primaryAssignment[0])) {
+            array_unshift($this->_primaryAssignment, null);
+
+            unset($this->_primaryAssignment[0]);
+        }
+
+        if (count($this->_primaryAssignment) !== count($this->_primary)) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception(
+                "Value for configuration option '" . self::PRIMARY_ASSIGNMENT . "' must have an assignment "
+              . "for each session table primary key.");
+        } else if (!in_array(self::PRIMARY_ASSIGNMENT_SESSION_ID, $this->_primaryAssignment)) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception(
+                "Value for configuration option '" . self::PRIMARY_ASSIGNMENT . "' must have an assignment "
+              . "for the session id ('" . self::PRIMARY_ASSIGNMENT_SESSION_ID . "').");
+        }
+    }
+
+    /**
+     * Check for required session table columns
+     *
+     * @return void
+     * @throws Zend_Session_SaveHandler_Exception
+     */
+    protected function _checkRequiredColumns()
+    {
+        if ($this->_modifiedColumn === null) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception(
+                "Configuration must define '" . self::MODIFIED_COLUMN . "' which names the "
+              . "session table last modification time column.");
+        } else if ($this->_lifetimeColumn === null) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception(
+                "Configuration must define '" . self::LIFETIME_COLUMN . "' which names the "
+              . "session table lifetime column.");
+        } else if ($this->_dataColumn === null) {
+            /**
+             * @see Zend_Session_SaveHandler_Exception
+             */
+
+            throw new Zend_Session_SaveHandler_Exception(
+                "Configuration must define '" . self::DATA_COLUMN . "' which names the "
+              . "session table data column.");
+        }
+    }
+
+    /**
+     * Retrieve session table primary key values
+     *
+     * @param string $id
+     * @param string $type (optional; default: self::PRIMARY_TYPE_NUM)
+     * @return array
+     */
+    protected function _getPrimary($id, $type = null)
+    {
+        $this->_setupPrimaryKey();
+
+        if ($type === null) {
+            $type = self::PRIMARY_TYPE_NUM;
+        }
+
+        $primaryArray = array();
+
+        foreach ($this->_primary as $index => $primary) {
+            switch ($this->_primaryAssignment[$index]) {
+                case self::PRIMARY_ASSIGNMENT_SESSION_SAVE_PATH:
+                    $value = $this->_sessionSavePath;
+                    break;
+                case self::PRIMARY_ASSIGNMENT_SESSION_NAME:
+                    $value = $this->_sessionName;
+                    break;
+                case self::PRIMARY_ASSIGNMENT_SESSION_ID:
+                    $value = (string) $id;
+                    break;
+                default:
+                    $value = (string) $this->_primaryAssignment[$index];
+                    break;
+            }
+
+            switch ((string) $type) {
+                case self::PRIMARY_TYPE_PRIMARYNUM:
+                    $primaryArray[$index] = $value;
+                    break;
+                case self::PRIMARY_TYPE_ASSOC:
+                    $primaryArray[$primary] = $value;
+                    break;
+                case self::PRIMARY_TYPE_WHERECLAUSE:
+                    $primaryArray[] = $this->getAdapter()->quoteIdentifier($primary, true) . ' = '
+                                    . $this->getAdapter()->quote($value);
+                    break;
+                case self::PRIMARY_TYPE_NUM:
+                default:
+                    $primaryArray[] = $value;
+                    break;
+            }
+        }
+
+        return $primaryArray;
+    }
+
+    /**
+     * Retrieve session lifetime considering Zend_Session_SaveHandler_DbTable::OVERRIDE_LIFETIME
+     *
+     * @param Zend_Db_Table_Row_Abstract $row
+     * @return int
+     */
+    protected function _getLifetime(Zend_Db_Table_Row_Abstract $row)
+    {
+        $return = $this->_lifetime;
+
+        if (!$this->_overrideLifetime) {
+            $return = (int) $row->{$this->_lifetimeColumn};
+        }
+
+        return $return;
+    }
+
+    /**
+     * Retrieve session expiration time
+     *
+     * @param Zend_Db_Table_Row_Abstract $row
+     * @return int
+     */
+    protected function _getExpirationTime(Zend_Db_Table_Row_Abstract $row)
+    {
+        return (int) $row->{$this->_modifiedColumn} + $this->_getLifetime($row);
+    }
+}
diff --git a/library/vendor/Zend/Session/SaveHandler/Exception.php b/library/vendor/Zend/Session/SaveHandler/Exception.php
new file mode 100644
index 0000000..2b1876f
--- /dev/null
+++ b/library/vendor/Zend/Session/SaveHandler/Exception.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Session_Exception
+ */
+
+/**
+ * Zend_Session_SaveHandler_Exception
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Session_SaveHandler_Exception extends Zend_Session_Exception
+{}
diff --git a/library/vendor/Zend/Session/SaveHandler/Interface.php b/library/vendor/Zend/Session/SaveHandler/Interface.php
new file mode 100644
index 0000000..18ed5fe
--- /dev/null
+++ b/library/vendor/Zend/Session/SaveHandler/Interface.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+/**
+ * Zend_Session_SaveHandler_Interface
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @subpackage SaveHandler
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @see        http://php.net/session_set_save_handler
+ */
+interface Zend_Session_SaveHandler_Interface
+{
+
+    /**
+     * Open Session - retrieve resources
+     *
+     * @param string $save_path
+     * @param string $name
+     */
+    public function open($save_path, $name);
+
+    /**
+     * Close Session - free resources
+     *
+     */
+    public function close();
+
+    /**
+     * Read session data
+     *
+     * @param string $id
+     */
+    public function read($id);
+
+    /**
+     * Write Session - commit data to resource
+     *
+     * @param string $id
+     * @param mixed $data
+     */
+    public function write($id, $data);
+
+    /**
+     * Destroy Session - remove data from resource for
+     * given session id
+     *
+     * @param string $id
+     */
+    public function destroy($id);
+
+    /**
+     * Garbage Collection - remove old session data older
+     * than $maxlifetime (in seconds)
+     *
+     * @param int $maxlifetime
+     */
+    public function gc($maxlifetime);
+
+}
diff --git a/library/vendor/Zend/Session/Validator/Abstract.php b/library/vendor/Zend/Session/Validator/Abstract.php
new file mode 100644
index 0000000..f39d20e
--- /dev/null
+++ b/library/vendor/Zend/Session/Validator/Abstract.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+/**
+ * @see Zend_Session_Validator_Interface
+ */
+
+/**
+ * Zend_Session_Validator_Abstract
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @subpackage Validator
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Session_Validator_Abstract implements Zend_Session_Validator_Interface
+{
+
+    /**
+     * SetValidData() - This method should be used to store the environment variables that
+     * will be needed in order to validate the session later in the validate() method.
+     * These values are stored in the session in the __ZF namespace, in an array named VALID
+     *
+     * @param  mixed $data
+     * @return void
+     */
+    protected function setValidData($data)
+    {
+        $validatorName = get_class($this);
+
+        $_SESSION['__ZF']['VALID'][$validatorName] = $data;
+    }
+
+
+    /**
+     * GetValidData() - This method should be used to retrieve the environment variables that
+     * will be needed to 'validate' a session.
+     *
+     * @return mixed
+     */
+    protected function getValidData()
+    {
+        $validatorName = get_class($this);
+        if (isset($_SESSION['__ZF']['VALID'][$validatorName])) {
+            return $_SESSION['__ZF']['VALID'][$validatorName];
+        }
+        return null;
+    }
+
+}
diff --git a/library/vendor/Zend/Session/Validator/Exception.php b/library/vendor/Zend/Session/Validator/Exception.php
new file mode 100644
index 0000000..03c2a03
--- /dev/null
+++ b/library/vendor/Zend/Session/Validator/Exception.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+
+/**
+ * @see Zend_Session_Exception
+ */
+
+
+/**
+ * Zend_Session_Validator_Exception
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @subpackage Validator
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Session_Validator_Exception extends Zend_Session_Exception
+{
+
+}
+
diff --git a/library/vendor/Zend/Session/Validator/HttpUserAgent.php b/library/vendor/Zend/Session/Validator/HttpUserAgent.php
new file mode 100644
index 0000000..8431aa2
--- /dev/null
+++ b/library/vendor/Zend/Session/Validator/HttpUserAgent.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+/**
+ * @see Zend_Session_Validator_Abstract
+ */
+
+/**
+ * Zend_Session_Validator_HttpUserAgent
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @subpackage Validator
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Session_Validator_HttpUserAgent extends Zend_Session_Validator_Abstract
+{
+
+    /**
+     * Setup() - this method will get the current user agent and store it in the session
+     * as 'valid data'
+     *
+     * @return void
+     */
+    public function setup()
+    {
+        $this->setValidData( (isset($_SERVER['HTTP_USER_AGENT'])
+            ? $_SERVER['HTTP_USER_AGENT'] : null) );
+    }
+
+    /**
+     * Validate() - this method will determine if the current user agent matches the
+     * user agent we stored when we initialized this variable.
+     *
+     * @return bool
+     */
+    public function validate()
+    {
+        $currentBrowser = (isset($_SERVER['HTTP_USER_AGENT'])
+            ? $_SERVER['HTTP_USER_AGENT'] : null);
+
+        return $currentBrowser === $this->getValidData();
+    }
+
+}
diff --git a/library/vendor/Zend/Session/Validator/Interface.php b/library/vendor/Zend/Session/Validator/Interface.php
new file mode 100644
index 0000000..ab4eb3e
--- /dev/null
+++ b/library/vendor/Zend/Session/Validator/Interface.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ * @since      Preview Release 0.2
+ */
+
+/**
+ * Zend_Session_Validator_Interface
+ *
+ * @category   Zend
+ * @package    Zend_Session
+ * @subpackage Validator
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Session_Validator_Interface
+{
+
+    /**
+     * Setup() - this method will store the environment variables
+     * necessary to be able to validate against in future requests.
+     *
+     * @return void
+     */
+    public function setup();
+
+    /**
+     * Validate() - this method will be called at the beginning of
+     * every session to determine if the current environment matches
+     * that which was store in the setup() procedure.
+     *
+     * @return boolean
+     */
+    public function validate();
+
+}