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<?php
/**
* Check if the user is logged in
*
* This file should be required by all sensitive PHP scripts. It verifies that
* the client has been logged in, and if not, displays a login page.
*
* See also login-ajax.php, which is specific for files that are loaded through
* Ajax (and typically require a json response).
*
* @author Camil Staps
*
* BusinessAdmin: administrative software for small companies
* Copyright (C) 2015 Camil Staps (ViviSoft)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(__DIR__ . '/conf.php');
if (isset($_GET['logout'])) {
$_SESSION['login'] = false;
header('Location: ' . Constants::url_external);
die();
}
if (!isset($_SESSION['login']) || $_SESSION['login'] === false) {
if (isset($_POST['username'])) {
$users = User::search($_pdo, ['`username`=?'], [$_POST['username']]);
if (count($users) == 0) {
$_msg = "No user {$_POST['username']} found.<br/>";
} else {
$user = array_pop($users);
if ($user->verifyPassword($_POST['password'])) {
$_SESSION['login'] = $user->id;
$_user = $user;
return;
} else {
$_msg = "Password incorrect.<br/>";
}
}
}
include('./header.php');
?>
<div class="container">
<div class="row">
<div class="col-md-4 col-md-offset-4">
<div class="login-panel panel panel-default">
<div class="panel-heading">
<h3 class="panel-title">Login<i class="fa fa-lock fa-fw fa-lg pull-right"></i></h3>
</div>
<div class="panel-body">
<?php
if (isset($_msg)) {
echo "<div class='form-group alert alert-danger'>$_msg</div>";
}
?>
<form action="" method="post">
<div class="form-group">
<input class="form-control" type="text" name="username" placeholder="Username" autofocus="autofocus"/>
</div>
<div class="form-group">
<input class="form-control" type="password" name="password" placeholder="Password"/>
</div>
<input type="submit" class="btn btn-lg btn-success btn-block" value="login"/>
</form>
</div>
</div>
</div>
</div>
</div>
<?php
include('./footer.php');
die();
}
$_user = new User($_pdo, $_SESSION['login']);
if (defined('REQUIRE_ADMIN') && REQUIRE_ADMIN && !$_user->isAdmin()) {
include('./header.php');
include('./nav.php');
?>
<h1>Access denied</h1>
<p class="lead">You need to be an administrator to access this page.</p>
<?php
include('./footer.php');
die();
}
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