openid-common.php

<?php
/********************************************************************************
 *                                                                              *
 *  (c) Copyright 2010 The Open University UK                                   *
 *                                                                              *
 *  This software is freely distributed in accordance with                      *
 *  the GNU Lesser General Public (LGPL) license, version 3 or later            *
 *  as published by the Free Software Foundation.                               *
 *  For details see LGPL: http://www.fsf.org/licensing/licenses/lgpl.html       *
 *               and GPL: http://www.fsf.org/licensing/licenses/gpl-3.0.html    *
 *                                                                              *
 *  This software is provided by the copyright holders and contributors "as is" *
 *  and any express or implied warranties, including, but not limited to, the   *
 *  implied warranties of merchantability and fitness for a particular purpose  *
 *  are disclaimed. In no event shall the copyright owner or contributors be    *
 *  liable for any direct, indirect, incidental, special, exemplary, or         *
 *  consequential damages (including, but not limited to, procurement of        *
 *  substitute goods or services; loss of use, data, or profits; or business    *
 *  interruption) however caused and on any theory of liability, whether in     *
 *  contract, strict liability, or tort (including negligence or otherwise)     *
 *  arising in any way out of the use of this software, even if advised of the  *
 *  possibility of such damage.                                                 *
 *                                                                              *
 ********************************************************************************/
		
require_once "config.php";
$path_extra = dirname(dirname(dirname(__FILE__)));
$path = ini_get('include_path');
$path = $path_extra . PATH_SEPARATOR . $path;
ini_set('include_path', $path);

function displayError($message) {
    $error = $message;
    //include 'index.php';
    exit(0);
}

function doIncludes() {
    /**
     * Require the OpenID consumer code.
     */
    require_once "Auth/OpenID/Consumer.php";

    /**
     * Require the "file store" module, which we'll need to store
     * OpenID information.
     */
    require_once "Auth/OpenID/FileStore.php";

    /**
     * Require the Simple Registration extension API.
     */
    require_once "Auth/OpenID/SReg.php";

    /**
     * Require the PAPE extension module.
     */
    require_once "Auth/OpenID/PAPE.php";
}

doIncludes();

global $pape_policy_uris;
$pape_policy_uris = array(
			  PAPE_AUTH_MULTI_FACTOR_PHYSICAL,
			  PAPE_AUTH_MULTI_FACTOR,
			  PAPE_AUTH_PHISHING_RESISTANT
			  );

function &getStore() {
    /**
     * This is where the example will store its OpenID information.
     * You should change this path if you want the example store to be
     * created elsewhere.  After you're done playing with the example
     * script, you'll have to remove this directory manually.
     */
    global $CFG;
    $store_path = $CFG->workdir."_cohere_openid";

    if (!file_exists($store_path) &&
        !mkdir($store_path)) {
        print "Could not create the FileStore directory '$store_path'. ".
            " Please check the effective permissions.";
        exit(0);
    }

    return new Auth_OpenID_FileStore($store_path);
}

function &getConsumer() {
    /**
     * Create a consumer object using the store object created
     * earlier.
     */
    $store = getStore();
    return new Auth_OpenID_Consumer($store);
}

function getScheme() {
    $scheme = 'http';
    if (isset($_SERVER['HTTPS']) and $_SERVER['HTTPS'] == 'on') {
        $scheme .= 's';
    }
    return $scheme;
}

function getReturnTo() {
    return sprintf("%s://%s%s/openid-finish.php",
                   getScheme(), $_SERVER['SERVER_NAME'],
                   dirname($_SERVER['PHP_SELF']));
}

function getTrustRoot() {
    return sprintf("%s://%s%s/",
                   getScheme(), $_SERVER['SERVER_NAME'],
                   dirname($_SERVER['PHP_SELF']));
}

?>