<?php
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
require_once __DIR__ . "/required.php";
// if we're logged in, we don't need to be here.
if (!empty($_SESSION['loggedin']) & & $_SESSION['loggedin'] === true & & !isset($_GET['permissionerror'])) {
header('Location: app.php');
die();
}
/**
* Show a simple HTML page with a line of text and a button. Matches the UI of
* the AccountHub login flow.
*
* @global type $SETTINGS
* @global type $SECURE_NONCE
* @global type $Strings
* @param string $title Text to show, passed through i18n
* @param string $button Button text, passed through i18n
* @param string $url URL for the button
*/
function showHTML(string $title, string $button, string $url) {
global $SETTINGS, $SECURE_NONCE, $Strings;
?>
<!DOCTYPE html>
< meta charset = "UTF-8" >
< meta http-equiv = "X-UA-Compatible" content = "IE=edge" >
< meta name = "viewport" content = "width=device-width, initial-scale=1" >
< title > <?php echo $SETTINGS [ 'site_title' ]; ?> </ title >
< link rel = "icon" href = "static/img/logo.svg" >
< link href = "static/css/bootstrap.min.css" rel = "stylesheet" >
< style nonce = " <?php echo $SECURE_NONCE ; ?> " >
.display-5 {
font-size: 2.5rem;
font-weight: 300;
line-height: 1.2;
}
.banner-image {
max-height: 100px;
margin: 2em auto;
border: 1px solid grey;
border-radius: 15%;
}
< / style >
< div class = "container mt-4" >
< div class = "row justify-content-center" >
< div class = "col-12 text-center" >
< img class = "banner-image" src = "./static/img/logo.svg" / >
< / div >
< div class = "col-12 text-center" >
< h1 class = "display-5 mb-4" > <?php $Strings -> get ( $title ); ?> </ h1 >
< / div >
< div class = "col-12 col-sm-8 col-lg-6" >
< div class = "card mt-4" >
< div class = "card-body" >
< a href = " <?php echo $url ; ?> " class = "btn btn-primary btn-block" > <?php $Strings -> get ( $button ); ?> </ a >
< / div >
< / div >
< / div >
< / div >
< / div >
<?php
}
if (!empty($_GET['logout'])) {
showHTML("You have been logged out.", "Log in again", "./index.php");
die();
}
if (empty($_SESSION["login_code"])) {
$redirecttologin = true;
} else {
try {
$uidinfo = AccountHubApi::get("checkloginkey", ["code" => $_SESSION["login_code"]]);
if ($uidinfo["status"] == "ERROR") {
throw new Exception();
}
if (is_numeric($uidinfo['uid'])) {
$user = new User($uidinfo['uid'] * 1);
foreach ($SETTINGS['permissions'] as $perm) {
if (!$user->hasPermission($perm)) {
showHTML("no access permission", "sign out", "./action.php?action=signout");
die();
}
}
Session::start($user);
$_SESSION["login_code"] = null;
header('Location: app.php');
showHTML("Logged in", "Continue", "./app.php");
die();
} else {
throw new Exception();
}
} catch (Exception $ex) {
$redirecttologin = true;
}
}
if ($redirecttologin) {
try {
$urlbase = (isset($_SERVER['HTTPS']) ? "https" : "http") . "://" . $_SERVER['HTTP_HOST'] . (($_SERVER['SERVER_PORT'] != 80 & & $_SERVER['SERVER_PORT'] != 443) ? ":" . $_SERVER['SERVER_PORT'] : "");
$iconurl = $urlbase . str_replace("index.php", "", $_SERVER["REQUEST_URI"]) . "static/img/logo.svg";
$codedata = AccountHubApi::get("getloginkey", ["appname" => $SETTINGS["site_title"], "appicon" => $iconurl]);
if ($codedata['status'] != "OK") {
throw new Exception($Strings->get("login server unavailable", false));
}
$redirecturl = $urlbase . $_SERVER['REQUEST_URI'];
$_SESSION["login_code"] = $codedata["code"];
$locationurl = $codedata["loginurl"] . "?code=" . htmlentities($codedata["code"]) . "& redirect=" . htmlentities($redirecturl);
header("Location: $locationurl");
showHTML("Continue", "Continue", $locationurl);
die();
} catch (Exception $ex) {
sendError($ex->getMessage());
}
}