gnu-social/vendor/openid/php-openid/examples/consumer/common.php

<?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.
     */
    $store_path = null;
    if (function_exists('sys_get_temp_dir')) {
        $store_path = sys_get_temp_dir();
    }
    else {
        if (strpos(PHP_OS, 'WIN') === 0) {
            $store_path = $_ENV['TMP'];
            if (!isset($store_path)) {
                $dir = 'C:\Windows\Temp';
            }
        }
        else {
            $store_path = @$_ENV['TMPDIR'];
            if (!isset($store_path)) {
                $store_path = '/tmp';
            }
        }
    }
    $store_path .= DIRECTORY_SEPARATOR . '_php_consumer_test';

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

    return $r;
}

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

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

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

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

?>