/
backend.php
684 lines (538 loc) · 22.6 KB
/
backend.php
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<?php session_start();
/**
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Angelito M. Goulart
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// Configs
error_reporting(E_ALL);
ini_set('display_errors', true);
define('DB_FILE', dirname(__FILE__) . '/db.sqlite');
define('SALT', 'wCB8Z3x7LPv1bZvtAiyXqMFYQZALir');
define('UPLOADS_PATH', 'uploads/');
define('LANG', ''); // Default en. Optional pt-br.
$status = array('type' => '', 'message' => '');
$connection = null;
// Translate
$translate = array(
'Pages' => array('pt-br' => 'Páginas'),'Files' => array('pt-br' => 'Arquivos'),
'User' => array('pt-br' => 'Usuário'),
'Logout' => array('pt-br' => 'Sair'),
'Sign In' => array('pt-br' => 'Entrar'),
'Login error.' => array('pt-br' => 'Erro ao efetuar login.'),
'New Page' => array('pt-br' => 'Nova Página'),
'Name' => array('pt-br' => 'Nome'),
'Delete' => array('pt-br' => 'Excluir'),
'Edit' => array('pt-br' => 'Editar'),
'Save' => array('pt-br' => 'Salvar'),
'Title' => array('pt-br' => 'Título'),
'Description' => array('pt-br' => 'Descrição'),
'Content' => array('pt-br' => 'Conteúdo'),
'Page saved successfully.' => array('pt-br' => 'Página salva com sucesso.'),
'Error while saving page.' => array('pt-br' => 'Erro ao salvar página.'),
'Page removed sucessfully.' => array('pt-br' => 'Página excluída com sucesso.'),
'Error while removing page.' => array('pt-br' => 'Erro ao excluir página.'),
'New File' => array('pt-br' => 'Novo Arquivo'),
'File' => array('pt-br' => 'Arquivo'),
'File uploaded sucessfully.' => array('pt-br' => 'Arquivo enviado com sucesso.'),
'Error while saving file.' => array('pt-br' => 'Erro ao salvar arquivo.'),
'Error while uploading file. Uploads path is writeable?' => array(
'pt-br' => 'Erro ao enviar arquivo. O diretório de uploads tem permissão de escrita?'
),
'Error while uploading file.' => array('pt-br' => 'Erro ao enviar arquivo.'),
'File removed sucessfully.' => array('pt-br' => 'Arquivo excluído com sucesso.'),
'Error while removing file.' => array('pt-br' => 'Erro ao excluir arquivo.'),
'User updated sucessfully.' => array('pt-br' => 'Usuário atualizado com sucesso.'),
'Error while updating user.' => array('pt-br' => 'Erro ao atualizar usuário.'),
'Username' => array('pt-br' => 'Nome de usuário'),
'Password' => array('pt-br' => 'Senha'),
);
function __($str){
global $translate;
return (isset($translate[$str][LANG])) ? $translate[$str][LANG] : $str;
}
// Template functions
function getHeader($system_active = ''){
global $status;
$str = '
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Dirty CMS - Backend</title>
<!-- Bootstrap -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn\'t work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body class="container">
<nav class="navbar navbar-default">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="backend.php">
<span style="color: brown;font-weight: bold;">D</span>irty CMS
</a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="pages_active"><a href="backend.php?action=show-pages">' . __('Pages') . '</a></li>
<li class="files_active"><a href="backend.php?action=show-files">' . __('Files') . '</a></li>
<li class="user_active"><a href="backend.php?action=form-user">' . __('User') . '</a></li>
';
if (isset($_SESSION['username'])) $str .= '
<li><a href="backend.php?action=do-logout">' . __('Logout') . '</a></li>
';
$str .= '
</ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>';
// Select active menu
switch ($system_active){
case 'pages': $str = str_replace('pages_active', 'active', $str); break;
case 'files': $str = str_replace('files_active', 'active', $str); break;
case 'user': $str = str_replace('user_active', 'active', $str); break;
}
// Show status message
if (!empty($status['message'])) {
$str .= '
<div class="alert alert-' . $status['type'] . '">
<a href="#" class="close" data-dismiss="alert">×</a>
' . __($status['message']) . '
</div>';
}
return $str;
}
function getFooter(){
$str = '
<p class="text-center"><a href="http://www.amglabs.net/" target="_blank"><small>AMG Labs</small></a></p>
<!-- jQuery (necessary for Bootstrap\'s JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>
</body>
</html>';
return $str;
}
// Login functions
function formLogin(){
$str = getHeader();
$str .= '
<form class="col-md-12" action="?action=do-login" method="post">
<div class="form-group">
<input type="text" name="username" class="form-control input-lg" placeholder="dirty">
</div>
<div class="form-group">
<input type="password" name="password" class="form-control input-lg" placeholder="123456">
</div>
<div class="form-group">
<button type="submit" class="btn btn-success btn-lg btn-block">' . __('Sign In') . '</button>
</div>
</form>
';
$str .= getFooter();
echo $str;
}
function doLogin($post = array()){
if (isset($_SESSION['username'])){
showPages();
poweroff();
}
global $connection;
global $status;
$username = (isset($post['username'])) ? $connection->escapeString($post['username']) : '';
$password = (isset($post['password'])) ? $connection->escapeString($post['password']) : '';
$password = sha1($password . SALT);
$query = $connection->query("SELECT username FROM users WHERE username = '{$username}' AND password = '{$password}'");
$query = $query->fetchArray();
if (empty($query)){
$status['type'] = 'danger';
$status['message'] = 'Login error.';
formLogin();
} else {
$_SESSION['username'] = $query['username'];
showPages();
}
}
function doLogout(){
if (isset($_SESSION['username'])) unset($_SESSION['username']);
formLogin();
poweroff();
}
// Pages functions
function showPages(){
global $connection;
$str = getHeader('pages');
$str .= '
<div class="panel panel-default">
<!-- Default panel contents -->
<div class="panel-heading"><a href="backend.php?action=form-pages" class="">' . __('New Page') . '</a></div>
<!-- Table -->
<table class="table">
<tr>
<th>' . __('ID') . '</th>
<th>' . __('Name') . '</th>
<th></th>
</tr>';
$query = $connection->query("SELECT id, name FROM pages ORDER BY name");
while ($row = $query->fetchArray()){
$str .= '
<tr>
<td>' . $row['id'] . '</td>
<td><a href="backend.php?action=form-pages&id=' . $row['id'] . '">' . $row['name'] . '</a></td>
<td>
<a href="backend.php?action=form-pages&id=' . $row['id'] . '" class="btn btn-primary">
' . __('Edit') . '
</a>
<a href="backend.php?action=delete-page&id=' . $row['id'] . '" class="btn btn-primary">
' . __('Delete') . '
</a>
</td>
</tr>
';
}
$str .= '
</table>
</div>';
$str .= getFooter();
echo $str;
}
function formPages($id = 0){
global $connection;
$data = array('name' => '', 'title' => '', 'description' => '', 'content' => '');
$query = $connection->query("SELECT * FROM pages WHERE id = {$id}");
$query = $query->fetchArray();
if (!empty($query)) {
$data['name'] = $query['name'];
$data['title'] = $query['title'];
$data['description'] = $query['description'];
$data['content'] = $query['content'];
}
$str = getHeader('pages');
$str .= '
<form action="backend.php?action=save-page&id=' . $id . '" method="post">
<div class="form-group">
<input type="text" class="form-control input-lg" placeholder="' . __('Name') . '" name="name"
value="' . $data['name'] . '">
</div>
<div class="form-group">
<input type="text" class="form-control input-lg" placeholder="' . __('Title') . '" name="title"
value="' . $data['title'] . '">
</div>
<div class="form-group">
<textarea class="form-control input-lg" rows="3" placeholder="' . __('Description') . '"
name="description">' . $data['description'] . '</textarea>
</div>
<div class="form-group">
<textarea name="content" class="form-control ckeditor input-lg"
rows="3" placeholder="' . __('Content') . '" name="content">
' . $data['content'] . '
</textarea>
</div>
<div class="form-group">
<button class="btn btn-success btn-lg btn-block">' . __('Save') . '</button>
</div>
</form>
<script src="//cdn.ckeditor.com/4.4.7/standard/ckeditor.js"></script>
<script>
CKEDITOR.replace( content" );
</script>';
$str .= getFooter();
echo $str;
}
function savePage($post = array(), $id = 0){
if (!in_array($_SERVER['REQUEST_METHOD'], array('POST', 'PUT'))){
showPages();
poweroff();
}
global $connection;
global $status;
$name = (isset($post['name'])) ? $post['name'] : '';
$title = (isset($post['title'])) ? $post['title'] : '';
$description = (isset($post['description'])) ? $post['description'] : '';
$content = (isset($post['content'])) ? $post['content'] : '';
if ($id > 0) {
$sql = "UPDATE pages SET name = '{$name}', title = '{$title}', description = '{$description}',
content = '{$content}' WHERE id = {$id}";
} else {
$sql = "INSERT INTO pages (name, title, description, content)
VALUES ('{$name}', '{$title}', '{$description}', '{$content}')";
}
if ($connection->exec($sql)) {
$status['type'] = 'success';
$status['message'] = 'Page saved successfully.';
} else {
$status['type'] = 'danger';
$status['message'] = 'Error while saving page.';
}
showPages();
}
function deletePage($id){
global $connection;
global $status;
$sql = "DELETE FROM pages WHERE id = {$id}";
if ($connection->exec($sql)) {
$status['type'] = 'success';
$status['message'] = 'Page removed sucessfully.';
} else {
$status['type'] = 'danger';
$status['message'] = 'Error while removing page.';
}
showPages();
}
// Upload functions
function showFiles(){
global $connection;
$str = getHeader('files');
$str .= '
<div class="panel panel-default">
<!-- Default panel contents -->
<div class="panel-heading"><a href="backend.php?action=form-files" class="">' . __('New File') . '</a></div>
<!-- Table -->
<table class="table">
<tr>
<th>' . __('ID') . '</th>
<th>' . __('Name') . '</th>
<th>' . __('Description') . '</th>
<th></th>
</tr>';
$query = $connection->query("SELECT * FROM files ORDER BY name");
while ($row = $query->fetchArray()){
$str .= '
<tr>
<td>' . $row['id'] . '</td>
<td><a target="_blank" href="' . UPLOADS_PATH . $row['filename'] . '">' . $row['name'] . '</a></td>
<td>' . $row['description'] . '</td>
<td>
<a href="backend.php?action=form-files&id=' . $row['id'] . '" class="btn btn-primary">
' . __('Edit') . '
</a>
<a href="backend.php?action=delete-file&id=' . $row['id'] . '" class="btn btn-primary">
' . __('Delete') . '
</a>
</td>
</tr>
';
}
$str .= '
</table>
</div>';
$str .= getFooter();
echo $str;
}
function formFiles($id = 0){
global $connection;
$data = array('name' => '', 'description' => '');
$query = $connection->query("SELECT * FROM files WHERE id = {$id}");
$query = $query->fetchArray();
if (!empty($query)) {
$data['name'] = $query['name'];
$data['description'] = $query['description'];
}
$str = getHeader('files');
$str .= '
<form action="backend.php?action=save-file&id=' . $id . '" method="post" enctype="multipart/form-data">
<div class="form-group">
<label for="name">' . __('Name') . '</label>
<input type="text" class="form-control input-lg" id="name" name="name"
value="' . $data['name'] . '" required>
</div>
<div class="form-group">
<label for="description">' . __('Description') . '</label>
<input type="text" class="form-control input-lg" id="description" name="description"
value="' . $data['description'] . '">
</div>
<div class="form-group">
<label for="file">' . __('File') . '</label>
<input type="file" class="form-control input-lg" id="file" name="file">
</div>
<div class="form-group">
<button class="btn btn-success btn-lg btn-block">' . __('Save') . '</button>
</div>
</form>
';
$str .= getFooter();
echo $str;
}
function saveFile($post = array(), $file = array()){
$id = (isset($_GET['id'])) ? (int) $_GET['id'] : 0;
if (!in_array($_SERVER['REQUEST_METHOD'], array('POST', 'PUT'))){
showFiles();
poweroff();
}
global $connection;
global $status;
$name = (isset($post['name'])) ? $connection->escapeString($post['name']) : '';
$description = (isset($post['description'])) ? $connection->escapeString($post['description']) : '';
if (isset($file['file']) && is_file($file['file']['tmp_name'])){
$ext = explode('.', $file['file']['name']);
$ext = end($ext);
$ext = strtolower($ext);
$filename = time() . '.' . $ext;
if (!move_uploaded_file($file['file']['tmp_name'], UPLOADS_PATH . $filename)){
$status['type'] = 'danger';
$status['message'] = 'Error while uploading file. Uploads path is writeable?';
showFiles();
poweroff();
}
}
if ($id > 0) {
$query = $connection->query("SELECT * FROM files WHERE id = {$id}");
$query = $query->fetchArray();
$id = (int) $_GET['id'];
$sql = "UPDATE files SET name = '{$name}', description = '{$description}'";
if (isset($filename)){
$sql .= ", filename = '{$filename}'";
if (is_file(UPLOADS_PATH . $query['filename'])) unlink(UPLOADS_PATH . $query['filename']);
}
$sql .= " WHERE id = {$id}";
} else {
if (!isset($filename)) $filename = '';
$sql = "INSERT INTO files (name, description, filename)
VALUES ('{$name}', '{$description}', '{$filename}')";
}
if ($connection->exec($sql)) {
$status['type'] = 'success';
$status['message'] = 'File uploaded sucessfully.';
} else {
$status['type'] = 'danger';
$status['message'] = 'Error while saving file.';
}
showFiles();
}
function deleteFile($id){
global $connection;
global $status;
$query = $connection->query("SELECT filename FROM files WHERE id = {$id}")->fetchArray();
if (!empty($query)){
if (is_file(UPLOADS_PATH . $query['filename'])) unlink(UPLOADS_PATH . $query['filename']);
}
$sql = "DELETE FROM files WHERE id = {$id}";
if ($connection->exec($sql)) {
$status['type'] = 'success';
$status['message'] = 'File removed sucessfully.';
} else {
$status['type'] = 'danger';
$status['message'] = 'Error while removing file.';
}
showFiles();
}
// User functions
function formUser(){
global $connection;
$username = '';
$query = $connection->query('SELECT username FROM users WHERE id = 1 LIMIT 1');
$query = $query->fetchArray();
if (!empty($query)) {
$username = $query['username'];
}
$str = getHeader('user');
$str .= '
<form action="backend.php?action=update-user" method="post">
<div class="form-group">
<label for="username">' . __('Username') . '</label>
<input type="text" class="form-control input-lg" id="username" name="username"
value="' . $username . '">
</div>
<div class="form-group">
<label for="pwd">' . __('Password') . '</label>
<input type="password" class="form-control input-lg" id="pwd" name="password" required>
</div>
<div class="form-group">
<button class="btn btn-success btn-lg btn-block">' . __('Save') . '</button>
</div>
</form>
';
$str .= getFooter();
echo $str;
}
function updateUser($data = array()) {
if (!in_array($_SERVER['REQUEST_METHOD'], array('POST', 'PUT'))){
formUser();
poweroff();
}
global $connection;
global $status;
$username = (isset($data['username'])) ? $connection->escapeString($data['username']) : '';
$password = (isset($data['password'])) ? $connection->escapeString($data['password']) : '';
$password = sha1($password . SALT);
$sql = "UPDATE users SET username = '{$username}', password = '{$password}' WHERE id = 1";
if ($connection->exec($sql)) {
$status['type'] = 'success';
$status['message'] = 'User updated sucessfully.';
} else {
$status['type'] = 'danger';
$status['message'] = 'Error while updating user.';
}
formUser();
}
// Router
function init(){
global $connection;
$connection = new SQLite3(DB_FILE, SQLITE3_OPEN_READWRITE);
$action = (isset($_GET['action'])) ? $_GET['action'] : '';
$id = (isset($_GET['id'])) ? (int) $_GET['id'] : 0;
// Check login
if (!isset($_SESSION['username']) && $action !== 'do-login'){
formLogin();
poweroff();
}
switch($action){
case 'show-pages': showPages(); break;
case 'form-pages': formPages($id); break;
case 'save-page': savePage($_POST, $id); break;
case 'delete-page': deletePage($id); break;
case 'show-files': showFiles(); break;
case 'form-files': formFiles($id); break;
case 'save-file': saveFile($_POST, $_FILES); break;
case 'delete-file': deleteFile($id); break;
case 'form-user': formUser(); break;
case 'update-user': updateUser($_POST); break;
case 'do-login': doLogin($_POST); break;
case 'do-logout': doLogout(); break;
default: showPages();
}
}
// Poweroff function
function poweroff($msg = ''){
global $connection;
$connection->close();
die($msg);
}
// Start app
init();
poweroff();
?>