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* Licensed to Jasig under one or more contributor license
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* agreements. See the NOTICE file distributed with this work for
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* additional information regarding copyright ownership.
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* Jasig licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at:
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* @file CAS/PGTStorage/AbstractStorage.php
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* @category Authentication
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* @author Pascal Aubry <pascal.aubry@univ-rennes1.fr>
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* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
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* @link https://wiki.jasig.org/display/CASC/phpCAS
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* Basic class for PGT storage
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* The CAS_PGTStorage_AbstractStorage class is a generic class for PGT storage.
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* This class should not be instanciated itself but inherited by specific PGT
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* @class CAS_PGTStorage_AbstractStorage
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* @category Authentication
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* @author Pascal Aubry <pascal.aubry@univ-rennes1.fr>
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* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
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* @link https://wiki.jasig.org/display/CASC/phpCAS
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* @ingroup internalPGTStorage
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abstract class CAS_PGTStorage_AbstractStorage
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* @addtogroup internalPGTStorage
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// ########################################################################
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// ########################################################################
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* The constructor of the class, should be called only by inherited classes.
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* @param CAS_Client $cas_parent the CAS _client instance that creates the
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function __construct($cas_parent)
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if ( !$cas_parent->isProxy() ) {
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phpCAS::error('defining PGT storage makes no sense when not using a CAS proxy');
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// ########################################################################
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// ########################################################################
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* This virtual method returns an informational string giving the type of storage
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* used by the object (used for debugging purposes).
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function getStorageType()
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phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
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* This virtual method returns an informational string giving informations on the
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* parameters of the storage.(used for debugging purposes).
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function getStorageInfo()
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phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
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// ########################################################################
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// ########################################################################
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* string used to store an error message. Written by
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* PGTStorage::setErrorMessage(), read by PGTStorage::getErrorMessage().
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* @deprecated not used.
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var $_error_message=false;
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* This method sets en error message, which can be read later by
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* PGTStorage::getErrorMessage().
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* @param string $error_message an error message
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* @deprecated not used.
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function setErrorMessage($error_message)
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$this->_error_message = $error_message;
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* This method returns an error message set by PGTStorage::setErrorMessage().
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* @return an error message when set by PGTStorage::setErrorMessage(), FALSE
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* @deprecated not used.
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function getErrorMessage()
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return $this->_error_message;
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// ########################################################################
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// ########################################################################
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* a boolean telling if the storage has already been initialized. Written by
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* PGTStorage::init(), read by PGTStorage::isInitialized().
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var $_initialized = false;
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* This method tells if the storage has already been intialized.
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function isInitialized()
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return $this->_initialized;
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* This virtual method initializes the object.
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$this->_initialized = true;
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// ########################################################################
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// ########################################################################
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* This virtual method stores a PGT and its corresponding PGT Iuo.
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* @param string $pgt the PGT
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* @param string $pgt_iou the PGT iou
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* @note Should never be called.
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function write($pgt,$pgt_iou)
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phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');
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* This virtual method reads a PGT corresponding to a PGT Iou and deletes
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* the corresponding storage entry.
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* @param string $pgt_iou the PGT iou
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* @note Should never be called.
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function read($pgt_iou)
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phpCAS::error(__CLASS__.'::'.__FUNCTION__.'() should never be called');