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https://github.com/ACSPRI/queXS
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Moved files to the right place
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Adam Zammit
259
include/phpCAS/CAS/PGTStorage/File.php
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259
include/phpCAS/CAS/PGTStorage/File.php
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<?php
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/**
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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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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*
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* PHP Version 5
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*
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* @file CAS/PGTStorage/AbstractStorage.php
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* @category Authentication
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* @package PhpCAS
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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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*/
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/**
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* The CAS_PGTStorage_File class is a class for PGT file storage. An instance of
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* this class is returned by CAS_Client::SetPGTStorageFile().
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*
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* @class CAS_PGTStorage_File
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* @category Authentication
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* @package PhpCAS
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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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*
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*
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* @ingroup internalPGTStorageFile
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*/
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class CAS_PGTStorage_File extends CAS_PGTStorage_AbstractStorage
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{
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/**
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* @addtogroup internalPGTStorageFile
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* @{
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*/
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/**
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* a string telling where PGT's should be stored on the filesystem. Written by
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* PGTStorageFile::PGTStorageFile(), read by getPath().
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*
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* @private
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*/
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var $_path;
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/**
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* This method returns the name of the directory where PGT's should be stored
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* on the filesystem.
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*
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* @return the name of a directory (with leading and trailing '/')
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*
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* @private
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*/
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function getPath()
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{
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return $this->_path;
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}
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// ########################################################################
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// DEBUGGING
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// ########################################################################
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/**
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* This method returns an informational string giving the type of storage
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* used by the object (used for debugging purposes).
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*
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* @return an informational string.
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* @public
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*/
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function getStorageType()
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{
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return "file";
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}
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/**
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* This method returns an informational string giving informations on the
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* parameters of the storage.(used for debugging purposes).
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*
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* @return an informational string.
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* @public
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*/
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function getStorageInfo()
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{
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return 'path=`'.$this->getPath().'\'';
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}
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// ########################################################################
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// CONSTRUCTOR
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// ########################################################################
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/**
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* The class constructor, called by CAS_Client::SetPGTStorageFile().
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*
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* @param CAS_Client $cas_parent the CAS_Client instance that creates the object.
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* @param string $path the path where the PGT's should be stored
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*
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* @return void
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*
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* @public
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*/
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function __construct($cas_parent,$path)
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{
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phpCAS::traceBegin();
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// call the ancestor's constructor
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parent::__construct($cas_parent);
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if (empty($path)) {
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$path = CAS_PGT_STORAGE_FILE_DEFAULT_PATH;
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}
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// check that the path is an absolute path
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if (getenv("OS")=="Windows_NT") {
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if (!preg_match('`^[a-zA-Z]:`', $path)) {
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phpCAS::error('an absolute path is needed for PGT storage to file');
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}
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} else {
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if ( $path[0] != '/' ) {
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phpCAS::error('an absolute path is needed for PGT storage to file');
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}
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// store the path (with a leading and trailing '/')
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$path = preg_replace('|[/]*$|', '/', $path);
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$path = preg_replace('|^[/]*|', '/', $path);
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}
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$this->_path = $path;
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phpCAS::traceEnd();
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}
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// ########################################################################
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// INITIALIZATION
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// ########################################################################
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/**
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* This method is used to initialize the storage. Halts on error.
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*
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* @return void
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* @public
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*/
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function init()
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{
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phpCAS::traceBegin();
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// if the storage has already been initialized, return immediatly
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if ($this->isInitialized()) {
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return;
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}
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// call the ancestor's method (mark as initialized)
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parent::init();
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phpCAS::traceEnd();
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}
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// ########################################################################
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// PGT I/O
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// ########################################################################
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/**
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* This method returns the filename corresponding to a PGT Iou.
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*
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* @param string $pgt_iou the PGT iou.
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*
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* @return a filename
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* @private
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*/
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function getPGTIouFilename($pgt_iou)
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{
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phpCAS::traceBegin();
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$filename = $this->getPath().$pgt_iou.'.plain';
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phpCAS::traceEnd($filename);
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return $filename;
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}
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/**
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* This method stores a PGT and its corresponding PGT Iou into a file. Echoes a
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* warning on error.
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*
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* @param string $pgt the PGT
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* @param string $pgt_iou the PGT iou
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*
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* @return void
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*
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* @public
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*/
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function write($pgt,$pgt_iou)
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{
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phpCAS::traceBegin();
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$fname = $this->getPGTIouFilename($pgt_iou);
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if (!file_exists($fname)) {
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touch($fname);
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// Chmod will fail on windows
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@chmod($fname, 0600);
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if ($f=fopen($fname, "w")) {
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if (fputs($f, $pgt) === false) {
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phpCAS::error('could not write PGT to `'.$fname.'\'');
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}
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phpCAS::trace('Successful write of PGT to `'.$fname.'\'');
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fclose($f);
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} else {
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phpCAS::error('could not open `'.$fname.'\'');
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}
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} else {
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phpCAS::error('File exists: `'.$fname.'\'');
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}
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phpCAS::traceEnd();
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}
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/**
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* This method reads a PGT corresponding to a PGT Iou and deletes the
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* corresponding file.
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*
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* @param string $pgt_iou the PGT iou
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*
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* @return the corresponding PGT, or FALSE on error
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*
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* @public
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*/
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function read($pgt_iou)
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{
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phpCAS::traceBegin();
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$pgt = false;
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$fname = $this->getPGTIouFilename($pgt_iou);
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if (file_exists($fname)) {
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if (!($f=fopen($fname, "r"))) {
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phpCAS::error('could not open `'.$fname.'\'');
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} else {
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if (($pgt=fgets($f)) === false) {
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phpCAS::error('could not read PGT from `'.$fname.'\'');
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}
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phpCAS::trace('Successful read of PGT to `'.$fname.'\'');
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fclose($f);
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}
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// delete the PGT file
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@unlink($fname);
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} else {
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phpCAS::error('No such file `'.$fname.'\'');
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}
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phpCAS::traceEnd($pgt);
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return $pgt;
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}
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/** @} */
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}
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?>
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