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diff --git a/inc/classes/main/filter/verifier/class_ConfirmCodeVerifierFilter.php b/inc/classes/main/filter/verifier/class_ConfirmCodeVerifierFilter.php
new file mode 100644
index 000000000..98fc1e67c
--- /dev/null
+++ b/inc/classes/main/filter/verifier/class_ConfirmCodeVerifierFilter.php
@@ -0,0 +1,108 @@
+<?php
+/**
+ * A filter for checking if the the supplied confirmation code is valid
+ *
+ * @author		Roland Haeder <webmaster@ship-simu.org>
+ * @version		0.0.0
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, this is free software
+ * @license		GNU GPL 3.0 or any newer version
+ * @link		http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class ConfirmCodeVerifierFilter extends BaseFilter implements Filterable {
+	/**
+	 * Protected constructor
+	 *
+	 * @return	void
+	 */
+	protected function __construct () {
+		// Call parent constructor
+		parent::__construct(__CLASS__);
+	}
+
+	/**
+	 * Creates an instance of this filter class
+	 *
+	 * @return	$filterInstance		An instance of this filter class
+	 */
+	public final static function createConfirmCodeVerifierFilter () {
+		// Get a new instance
+		$filterInstance = new ConfirmCodeVerifierFilter();
+
+		// Return the instance
+		return $filterInstance;
+	}
+
+	/**
+	 * Executes the filter with given request and response objects
+	 *
+	 * @param	$requestInstance	An instance of a class with an Requestable interface
+	 * @param	$responseInstance	An instance of a class with an Responseable interface
+	 * @return	void
+	 * @throws	NullPointerException	If the user instance from registry is null
+	 */
+	public function execute (Requestable $requestInstance, Responseable $responseInstance) {
+		// Get confirmation code from request
+		$confirmCode = $requestInstance->getRequestElement('confirm');
+
+		// Is this code set?
+		if (is_null($confirmCode)) {
+			// Is not in request
+			$requestInstance->requestIsValid(false);
+
+			// Add a message to the response
+			$responseInstance->addFatalMessage('confirm_code_unset');
+
+			// Abort here
+			return false;
+		} elseif (empty($confirmCode)) {
+			// Email is empty
+			$requestInstance->requestIsValid(false);
+
+			// Add a message to the response
+			$responseInstance->addFatalMessage('confirm_code_empty');
+
+			// Abort here
+			return false;
+		}
+
+		// Get a user instance from registry
+		$userInstance = Registry::getRegistry()->getInstance('user');
+
+		// Is the instance there?
+		if (is_null($userInstance)) {
+			// Throw an exception here
+			throw new NullPointerException ($this, self::EXCEPTION_IS_NULL_POINTER);
+		} // END - if
+
+		// Get the confirm code from user for comparison
+		$userCode = $userInstance->getField(UserDatabaseWrapper::DB_COLUMN_CONFIRM_HASH);
+
+		// Do we have the same code or different?
+		if ($userCode != $confirmCode) {
+			// Email is empty
+			$requestInstance->requestIsValid(false);
+
+			// Redirect to error page
+			$responseInstance->redirectToConfiguredUrl('confirm_code_invalid_url');
+
+			// Stop processing here
+			exit;
+		} // END - if
+	}
+}
+
+// [EOF]
+?>