<?php
// Error translation
$errors = array(
'unknown_username_password'=>array('fr'=>'Nom d\'utilisateur ou mot de passe inconnu.', 'en'=>'Unknown username or password.'),
'token_error'=>array('fr'=>'Erreur de token. Veuillez réessayer.', 'en'=>'Token error. Please resubmit the form.'),
'password_mismatch'=>array('fr'=>'Les deux mots de passe ne correspondent pas.', 'en'=>'The content of the two passwords fields doesn\'t match.'),
'user_already_exists'=>array('fr'=>'Un utilisateur avec le même login ou nom d\'affichage existe déjà. Choisissez un login ou un nom d\'affichage différent.', 'en'=>'A user with the same login or display name already exists. Choose a different login or display name.'),
'write_error_data'=>array('fr'=>'Le script ne peut pas écrire dans le dossier data/, vérifiez les permissions sur ce dossier.', 'en'=>'The script can\'t write in data/ dir, check permissions set on this folder.'),
'write_error_db_backups'=>array('fr'=>'Le script ne peut pas écrire dans le dossier db_backups/, vérifiez les permissions sur ce dossier.', 'en'=>'The script can\'t write in db_backup/ dir, check permissions set on this folder.'),
'db_dump_failed'=>array('fr'=>'Échec de la sauvegarde de la base de données. Aucune modification n\'a eu lieu.', 'en'=>'Unable to dump the database. No changes were made.'),
'unable_write_config'=>array('fr'=>'Impossible d\'écrire le fichier data/config.php. Vérifiez les permissions.', 'en'=>'Unable to write data/config.php file. Check permissions.'),
'negative_amount'=>array('fr'=>'Montant négatif non autorisé.', 'en'=>'Negative amount not allowed.'),
'template_error'=>array('fr'=>'Template non disponible.', 'en'=>'Template not available.'),
'unauthorized'=>array('fr'=>'Vous n\'avez pas le droit de faire cette action.', 'en'=>'You are not authorized to do that.'),
'no_users'=>array('fr'=>'Vous devez ajouter au moins un autre utilisateur.', 'en'=>'You must add at least one more user beside you.'),
'what_unknown'=>array('fr'=>'Vous devez renseigner un objet pour la dépense.', 'en'=>'You must add something to describe this invoice in "what" field.'),
'incorrect_amount'=>array('fr'=>'Montant incorrect ou nul.', 'en'=>'Incorrect amount or amount is zero.'),
'email_invalid'=>array('fr'=>'L\'adresse e-mail est invalide.', 'en'=>'Incorrect e-mail address.')
);
// Include necessary files
if(!file_exists('data/config.php')) { header('location: install.php'); exit(); }
require_once('data/config.php');
require_once('inc/User.class.php');
require_once('inc/Invoices.class.php');
require_once('inc/Paybacks.class.php');
require_once('inc/GlobalPaybacks.class.php');
require_once('inc/rain.tpl.class.php');
require_once('inc/functions.php');
require_once('inc/Ban.inc.php');
require_once('inc/CSRF.inc.php');
session_start();
$i18n = array();
require_once(LANG);
// Long lasting session inspired by the work from sbgodin for shaarli
define('WEB_PATH', substr($_SERVER["REQUEST_URI"], 0, 1+strrpos($_SERVER["REQUEST_URI"], '/', 0)));
if(!empty($_GET['json'])) {
raintpl::$tpl_dir = 'tpl/json/';
$get_redir = 'json=1';
}
else {
raintpl::$tpl_dir = TEMPLATE_DIR;
$get_redir = '';
}
raintpl::$cache_dir = 'tmp/';
// Define raintpl instance
$tpl = new raintpl();
$tpl->assign('instance_title', htmlspecialchars(INSTANCE_TITLE));
$tpl->assign('connection', false);
$tpl->assign('notice', nl2br(getNotice()));
$tpl->assign('error', '');
$tpl->assign('base_url', htmlspecialchars(BASE_URL));
$tpl->assign('currency', htmlspecialchars(CURRENCY));
$tpl->assign('email_webmaster', htmlspecialchars(EMAIL_WEBMASTER));
$tpl->assign('i18n', $i18n);
$current_user = new User();
if(isset($_SESSION['current_user'])) {
$current_user->sessionRestore($_SESSION['current_user'], true);
}
else {
if(!empty($_COOKIE['bouffeatulm_staySignedIn']) && !empty($_COOKIE['bouffeatulm_login'])) {
// Connect back
$user = new User();
$user->setLogin($_COOKIE['bouffeatulm_login']);
if(ban_canLogin() == false) {
setcookie('bouffeatulm_login', 0, 0, WEB_PATH);
setcookie('bouffeatulm_staySignedIn', 0, 0, WEB_PATH);
exit($errors['unknown_username_password'][LANG]);
}
else {
$user = $user->exists($_COOKIE['bouffeatulm_login']);
if($_COOKIE['bouffeatulm_staySignedIn'] === md5($user->getStaySignedInToken().$_SERVER['REMOTE_ADDR'])) {
ban_loginOk();
$_SESSION['current_user'] = $user->sessionStore();
$_SESSION['ip'] = user_ip();
setcookie('bouffeatulm_login', $_COOKIE['bouffeatulm_login'], time()+31536000, WEB_PATH);
setcookie('bouffeatulm_staySignedIn', $_COOKIE['bouffeatulm_staySignedIn'], time()+31536000, WEB_PATH);
header('location: index.php?'.$get_redir);
exit();
}
else {
ban_loginFailed();
setcookie('bouffeatulm_login', 0, 0, WEB_PATH);
setcookie('bouffeatulm_staySignedIn', 0, 0, WEB_PATH);
exit($errors['unknown_username_password'][LANG]);
}
}
}
else {
$current_user = false;
}
}
$tpl->assign('current_user', secureDisplay($current_user));
if(!empty($_GET['json_token'])) {
$current_user = new User();
if($current_user->load(array('json_token'=>$_GET['json_token'], true)) === false) {
header('location: index.php?do=connect'.$get_redir);
exit();
}
else {
if(!empty($get_redir))
$get_redir .= '&';
$get_redir .= 'json_token='.$_GET['json_token'];
}
}
else {
//If json token not available
// If not connected, redirect to connection page
if($current_user === false && (empty($_GET['do']) OR $_GET['do'] != 'connect')) {
header('location: index.php?do=connect&'.$get_redir);
exit();
}
// If IP has changed, logout
if($current_user !== false && user_ip() != $_SESSION['ip']) {
logout();
header('location: index.php?do=connect&'.$get_redir);
exit();
}
}
// Initialize empty $_GET['do'] if required to avoid error
if(empty($_GET['do'])) {
$_GET['do'] = '';
}
// Check what to do
switch($_GET['do']) {
case 'connect':
if($current_user !== false) {
header('location: index.php?'.$get_redir);
exit();
}
if(!empty($_POST['login']) && !empty($_POST['password']) && check_token(600, 'connection')) {
$user = new User();
$user->setLogin($_POST['login']);
if(ban_canLogin() == false) {
$error = $errors['unknown_username_password'][LANG];
}
else {
$user = $user->exists($_POST['login']);
if($user !== false && $user->checkPassword($_POST['password'])) {
ban_loginOk();
$_SESSION['current_user'] = $user->sessionStore();
$_SESSION['ip'] = user_ip();
if(!empty($_POST['remember_me'])) { // Handle remember me cookie
$token = md5(uniqid(mt_rand(), true));
$user->setStaySignedInToken($token);
$user->save();
setcookie('bouffeatulm_login', $_POST['login'], time()+31536000, WEB_PATH);
setcookie('bouffeatulm_staySignedIn', md5($token.$_SERVER['REMOTE_ADDR']), time()+31536000, WEB_PATH);
}
header('location: index.php?'.$get_redir);
exit();
}
else {
ban_loginFailed();
$error = $errors['unknown_username_password'][LANG];
}
}
}
$tpl->assign('connection', true);
$tpl->assign('user_post', (!empty($_POST['login'])) ? htmlspecialchars($_POST['login']) : '');
if(!empty($error))
$tpl->assign('error', $error);
$tpl->assign('token', generate_token('connection'));
$tpl->draw('connection');
break;
case 'disconnect':
$current_user = false;
logout();
header('location: index.php?do=connect&'.$get_redir);
exit();
break;
case 'password':
if(!empty($_POST['email']) && !empty($_POST['notifications'])) {
if(check_token(600, 'password')) {
if(!empty($_POST['password']) && !empty($_POST['password_confirm'])) {
if($_POST['password'] == $_POST['password_confirm']) {
$current_user->setPassword($current_user->encrypt($_POST['password']));
}
else {
$error = true;
$tpl->assign('error', $errors['password_mismatch'][LANG]);
}
}
if($current_user->setEmail($_POST['email']) === false) {
$error = true;
$tpl->assign('error', $errors['email_invalid'][LANG]);
}
$current_user->setNotifications($_POST['notifications']);
$current_user->save();
if(!empty($error)) {
header('location: index.php?'.$get_redir);
exit();
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
}
}
$tpl->assign('view', 'password');
$tpl->assign('json_token', htmlspecialchars($current_user->getJsonToken()));
$tpl->assign('token', generate_token('password'));
$tpl->draw('edit_users');
break;
case 'edit_users':
case 'add_user':
if(!$current_user->getAdmin()) {
header('location: index.php?'.$get_redir);
exit();
}
if(!empty($_POST['login']) && (!empty($_POST['password']) || !empty($_POST['user_id'])) && !empty($_POST['notifications']) && isset($_POST['admin'])) {
if(check_token(600, 'edit_users')) {
$user = new User();
if(!empty($_POST['user_id'])) {
$user = $user->load(array('id' => $_POST['user_id']), true);
}
else {
$user->newJsonToken();
}
$user->setLogin($_POST['login']);
$user->setDisplayName(!empty($_POST['display_name']) ? $_POST['display_name'] : '');
if(!empty($_POST['password'])) {
$user->setPassword($user->encrypt($_POST['password']));
}
$user->setAdmin($_POST['admin']);
$user->setStaySignedInToken("");
if($user->setEmail($_POST['email']) !== false) {
if(!empty($_POST['user_id']) || $user->isUnique()) {
$user->setNotifications($_POST['notifications']);
$user->save();
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?do=edit_users&'.$get_redir);
exit();
}
else {
$tpl->assign('error', $errors['user_already_exists'][LANG]);
}
}
else {
$tpl->assign('error', $errors['email_invalid'][LANG]);
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
}
}
if(!empty($_GET['user_id']) || $_GET['do'] == 'add_user') {
if(!empty($_GET['user_id'])) {
$user_id = (int) $_GET['user_id'];
$user = new User();
$user = $user->load(array('id'=>$user_id), true);
$tpl->assign('user_data', $user->secureDisplay());
}
$tpl->assign('user_id', (!empty($user_id) ? (int) $user_id : -1));
$tpl->assign('view', 'edit_user');
}
else {
$users_list = new User();
$users_list = $users_list->load();
$tpl->assign('users', secureDisplay($users_list));
$tpl->assign('view', 'list_users');
}
$tpl->assign('login_post', (!empty($_POST['login']) ? htmlspecialchars($_POST['login']) : ''));
$tpl->assign('email_post', (!empty($_POST['email']) ? htmlspecialchars($_POST['email']) : ''));
$tpl->assign('display_name_post', (!empty($_POST['display_name']) ? htmlspecialchars($_POST['display_name']) : ''));
$tpl->assign('admin_post', (isset($_POST['admin']) ? (int) $_POST['admin'] : -1));
$tpl->assign('token', generate_token('edit_users'));
$tpl->draw('edit_users');
break;
case 'new_token':
if(!empty($_GET['user_id']) && $current_user->getAdmin()) {
$user_id = (int) $_GET['user_id'];
}
else {
$user_id = $current_user->getId();
}
if(check_token(600, 'password') || check_token(600, 'edit_users')) {
$user = new User();
$user = $user->load(array('id'=>$user_id), true);
$user->newJsonToken();
$user->save();
if(empty($_GET['user_id']))
$_SESSION['current_user'] = $user->sessionStore();
if(!empty($_GET['user_id']))
header('location: index.php?do=edit_users&user_id='.$user_id);
else
header('location: index.php?do=password&'.$get_redir);
exit();
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
break;
case 'delete_user':
if($_GET['user_id'] != $current_user->getId()) {
if(check_token(600, 'edit_users')) {
$user = new User();
$user->setId($_GET['user_id']);
$user->delete();
// Update concerned invoices
$invoices = new Invoice();
$invoices = $invoices->load();
if($invoices !== FALSE) {
foreach($invoices as $invoice) {
if($invoice->getBuyer() == $_GET['user_id']) {
$invoice->delete();
}
if($invoice->getUsersIn()->inUsersIn($_GET['user_id'])) {
$users_in = $invoice->getUsersIn()->get();
unset($users_in[$_GET['user_id']]);
if(empty($users_in) || array_keys($users_in) == array($invoice->getBuyer()))
$invoice->delete();
else {
$invoice->setUsersIn($users_in);
$invoice->save();
}
}
}
}
// Update paybacks
$paybacks = new Payback();
$paybacks = $paybacks->load(array('from_user'=>(int) $_GET['user_id']));
if($paybacks !== FALSE) {
foreach($paybacks as $payback) {
$payback->delete();
}
}
$paybacks = new Payback();
$paybacks = $paybacks->load(array('to_user'=>(int) $_GET['user_id']));
if($paybacks !== FALSE) {
foreach($paybacks as $payback) {
$payback->delete();
}
}
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?do=edit_users&'.$get_redir);
exit();
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', 'true');
$tpl->draw('index');
exit();
}
}
break;
case 'edit_notice':
if(isset($_POST['notice'])) {
$tpl->assign('notice', htmlspecialchars($_POST['notice']));
if(check_token(600, 'settings')) {
setNotice($_POST['notice']);
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?'.$get_redir);
exit();
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
}
}
$tpl->assign('show_settings', false);
$tpl->assign('token', generate_token('settings'));
$tpl->draw('settings');
break;
case 'settings':
if(!empty($_POST['mysql_host']) && !empty($_POST['mysql_login']) && !empty($_POST['mysql_db']) && !empty($_POST['instance_title']) && !empty($_POST['base_url']) && !empty($_POST['currency']) && !empty($_POST['timezone']) && !empty($_POST['template'])) {
if(check_token(600, 'settings')) {
if(!is_writable('data/')) {
$tpl>assign('error', $errors['write_error_data'][LANG]);
}
else {
if(!is_dir('tpl/'.$_POST['template'])) {
$tpl->assign('error', $errors['template_error'][LANG]);
}
else {
$config = file('data/config.php');
foreach($config as $line_number=>$line) {
if(strpos(trim($line), "MYSQL_HOST") !== false)
$config[$line_number] = "\tdefine('MYSQL_HOST', '".$_POST['mysql_host']."');\n";
elseif(strpos(trim($line), "MYSQL_LOGIN") !== false)
$config[$line_number] = "\tdefine('MYSQL_LOGIN', '".$_POST['mysql_login']."');\n";
elseif(strpos(trim($line), "MYSQL_PASSWORD") !== false && !empty($_POST['mysql_password']))
$config[$line_number] = "\tdefine('MYSQL_PASSWORD', '".$_POST['mysql_password']."');\n";
elseif(strpos(trim($line), "MYSQL_DB") !== false)
$config[$line_number] = "\tdefine('MYSQL_DB', '".$_POST['mysql_db']."');\n";
elseif(strpos(trim($line), "MYSQL_PREFIX") !== false && !empty($_POST['mysql_prefix']))
$config[$line_number] = "\tdefine('MYSQL_PREFIX', '".$_POST['mysql_prefix']."');\n";
elseif(strpos(trim($line), "INSTANCE_TITLE") !== false)
$config[$line_number] = "\tdefine('INSTANCE_TITLE', '".$_POST['instance_title']."');\n";
elseif(strpos(trim($line), "BASE_URL") !== false)
$config[$line_number] = "\tdefine('BASE_URL', '".$_POST['base_url']."');\n";
elseif(strpos(trim($line), "CURRENCY") !== false)
$config[$line_number] = "\tdefine('CURRENCY', '".$_POST['currency']."');\n";
elseif(strpos(trim($line), "EMAIL_WEBMASTER") !== false)
$config[$line_number] = "\tdefine('EMAIL_WEBMASTER', '".$_POST['email_webmaster']."');\n";
elseif(strpos(trim($line), "TEMPLATE_DIR") !== false)
$config[$line_number] = "\tdefine('TEMPLATE_DIR', 'tpl/".$_POST['template']."/');\n";
elseif(strpos(trim($line), "LANG") !== false)
$config[$line_number] = "\tdefine('LANG', 'i18n/".$_POST['lang']."');\n";
elseif(strpos(trim($line), 'date_default_timezone_set') !== false)
$config[$line_number] = "\tdate_default_timezone_set('".$_POST['timezone']."');\n";
}
if(file_put_contents("data/config.php", $config)) {
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?'.$get_redir);
exit();
}
else {
$tpl->assign('error', $errors['unable_write_config'][LANG]);
}
}
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
}
}
$tpl->assign('mysql_host', htmlspecialchars(MYSQL_HOST));
$tpl->assign('mysql_login', htmlspecialchars(MYSQL_LOGIN));
$tpl->assign('mysql_db', htmlspecialchars(MYSQL_DB));
$tpl->assign('mysql_prefix', htmlspecialchars(MYSQL_PREFIX));
$tpl->assign('timezone', @date_default_timezone_get());
$tpl->assign('show_settings', true);
$tpl->assign('token', generate_token('settings'));
$tpl->assign('templates', secureDisplay(listTemplates('tpl/')));
$tpl->assign('current_template', htmlspecialchars(trim(substr(TEMPLATE_DIR, 4), '/')));
$tpl->assign('current_lang', htmlspecialchars(LANG));
$tpl->assign('available_lang', secureDisplay(listLangs()));
$tpl->draw('settings');
break;
case 'new_invoice':
case 'edit_invoice':
if(!empty($_GET['id'])) {
$invoice = new Invoice();
$invoice = $invoice->load(array('id'=>(int) $_GET['id']), true);
$date_hour = $invoice->getDate('a');
$date_day = $invoice->getDate('d');
$date_month = $invoice->getDate('m');
$date_year = $invoice->getDate('Y');
$amount = $invoice->getAmount();
$what = $invoice->getWhat();
$users_in = $invoice->getUsersIn()->get();
}
if(!empty($_POST['what'])) $what = $_POST['what'];
if(!empty($_POST['amount'])) $amount = $_POST['amount'];
if(!empty($_POST['date_day'])) $date_day = $_POST['date_day'];
if(!empty($_POST['date_month'])) $date_month = $_POST['date_month'];
if(!empty($_POST['date_year'])) $date_year = $_POST['date_year'];
if(!empty($_POST['users_in'])) {
$users_in = array();
foreach($_POST['users_in'] as $user) {
$users_in[(int) $user] = (int) $_POST['guest_user_'.$user];
}
}
if(!empty($_POST['what']) && !empty($_POST['amount']) && (float) $_POST['amount'] != 0 && isset($_POST['date_hour']) && !empty($_POST['date_day']) && !empty($_POST['date_month']) && !empty($_POST['date_year']) && !empty($_POST['users_in'])) {
if(check_token(600, 'new_invoice')) {
if($_POST['amount'] <= 0) {
$tpl->assign('error', $errors['negative_amount'][LANG]);
}
else {
if(array_keys($users_in) == array($current_user->getId())) {
$tpl->assign('error', $errors['no_users'][LANG]);
}
else {
$invoice = new Invoice();
if(!empty($_POST['id']))
$invoice->setId($_POST['id']);
$invoice->setWhat($_POST['what']);
$invoice->setAmount($_POST['amount']);
if(empty($_POST['id']))
$invoice->setBuyer($current_user->getId());
$invoice->setDate(0, int2ampm($_POST['date_hour']), $_POST['date_day'], $_POST['date_month'], $_POST['date_year']);
$invoice->setUsersIn($users_in);
$invoice->save();
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?'.$get_redir);
exit();
}
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
}
}
$users_list = new User();
$users_list = $users_list->load();
$tpl->assign('days', range(1,31));
$tpl->assign('months', range(1, 12));
$tpl->assign('years', range(date('Y') - 1, date('Y') + 1));
$tpl->assign('hour_post', (!empty($date_hour) ? (int) ampm2int($date_hour) : (int) ampm2int(date('a'))));
$tpl->assign('day_post', (!empty($date_day) ? (int) $date_day : (int) date('d')));
$tpl->assign('month_post', (!empty($date_month) ? (int) $date_month : (int) date('m')));
$tpl->assign('year_post', (!empty($date_year) ? (int) $date_year : (int) date('Y')));
$tpl->assign('amount_post', (!empty($amount) ? (float) $amount : 0));
$tpl->assign('what_post', (!empty($what) ? htmlspecialchars($what) : ''));
$tpl->assign('users', secureDisplay($users_list));
if(isset($_POST['what']) && empty($_POST['what']))
$tpl->assign('error', $errors['what_unknown'][LANG]);
if(!empty($_POST['amount']) && (float) $_POST['amount'] == 0)
$tpl->assign('error', $errors['incorrect_amount'][LANG]);
$tpl->assign('users_in', (!empty($users_in) ? $users_in : array()));
$tpl->assign('id', (!empty($_GET['id']) ? (int) $_GET['id'] : 0));
$tpl->assign('token', generate_token('new_invoice'));
$tpl->draw('new_invoice');
break;
case 'delete_invoice':
if(!empty($_GET['id'])) {
if(check_token(600, 'invoice')) {
$invoice = new Invoice();
$invoice = $invoice->load(array('id'=>(int) $_GET['id']), true);
if($current_user->getAdmin() || $invoice->getBuyer() == $current_user->getId()) {
$invoice->delete();
// Delete related paybacks
$paybacks = new Payback();
$paybacks = $paybacks->load(array('invoice_id'=>(int) $_GET['id']));
if($paybacks !== false) {
foreach($paybacks as $payback) {
$payback->delete();
}
}
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?'.$get_redir);
exit();
}
else {
$tpl->assign('error', $errors['unauthorized'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
header('location: index.php?'.$get_redir);
exit();
}
break;
case 'confirm_payback':
if(!empty($_GET['from']) && !empty($_GET['to']) && !empty($_GET['invoice_id']) && $_GET['from'] != $_GET['to']) {
if($_GET['to'] == $current_user->getId() || $current_user->getAdmin()) {
if(check_token(600, 'invoice')) {
$invoice = new Invoice();
$invoice = $invoice->load(array('id'=>(int) $_GET['invoice_id']), true);
$payback = new Payback();
if(!empty($_GET['payback_id'])) {
$payback = $payback->load(array('id'=>(int) $_GET['payback_id']), true);
if($payback->getFrom() != $_GET['from'] || $payback->getTo() != $_GET['to']) {
$payback = new Payback();
}
}
else {
$payback = $payback->load(array('invoice_id'=>(int) $_GET['invoice_id'], 'to_user'=>(int) $_GET['to'], 'from_user'=>(int) $_GET['from']), true);
if($payback == false)
$payback = new Payback();
}
$payback->setDate(date('i'), date('G'), date('j'), date('n'), date('Y'));
$payback->setInvoice($_GET['invoice_id']);
$payback->setAmount($invoice->getAmountPerPerson($_GET['from']));
$payback->setFrom($_GET['from']);
$payback->setTo($_GET['to']);
$payback->save();
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php');
exit();
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
$tpl->assign('error', $errors['unauthorized'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
header('location: index.php?'.$get_redir);
}
break;
case 'delete_payback':
if(!empty($_GET['from']) && !empty($_GET['to']) && !empty($_GET['invoice_id'])) {
if($_GET['to'] == $current_user->getId() || $current_user->getAdmin()) {
if(check_token(600, 'invoice')) {
$paybacks = new Payback();
$paybacks = $paybacks->load(array('to_user'=>(int) $_GET['to'], 'from_user'=> (int) $_GET['from'], 'invoice_id'=> (int) $_GET['invoice_id']));
if($paybacks !== false) {
foreach($paybacks as $payback) {
$payback->delete();
}
}
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php');
exit();
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
header('location: index.php');
exit();
}
}
else {
header('location: index.php');
exit();
}
break;
case 'payall':
if(!empty($_GET['from']) && !empty($_GET['to'])) {
if($_GET['to'] == $current_user->getId() || $current_user->getAdmin()) {
if(check_token(600, 'invoice')) {
// Confirm all paybacks when to is buyer
$invoices = new Invoice();
$invoices = $invoices->load(array('buyer'=>(int) $_GET['to']));
if($invoices !== false) {
foreach($invoices as $invoice) {
$paybacks = new Payback();
$paybacks = $paybacks->load(array('invoice_id'=>$invoice->getId(), 'to_user'=>(int) $_GET['to'], 'from_user'=>(int) $_GET['from']));
if($paybacks === false) {
$payback = new Payback();
$payback->setTo($_GET['to']);
$payback->setFrom($_GET['from']);
$payback->setAmount($invoice->getAmountPerPerson($_GET['from']));
$payback->setInvoice($invoice->getId());
$payback->setDate(date('i'), date('G'), date('j'), date('n'), date('Y'));
$payback->save();
}
}
}
// Confirm all paybacks when from is buyer
$invoices = new Invoice();
$invoices = $invoices->load(array('buyer'=>(int) $_GET['from']));
if($invoices !== false) {
foreach($invoices as $invoice) {
$paybacks = new Payback();
$paybacks = $paybacks->load(array('invoice_id'=>$invoice->getId(), 'to_user'=>(int) $_GET['from'], 'from_user'=>(int) $_GET['to']));
if($paybacks === false) {
$payback = new Payback();
$payback->setTo($_GET['from']);
$payback->setFrom($_GET['to']);
$payback->setAmount($invoice->getAmountPerPerson($_GET['to']));
$payback->setInvoice($invoice->getId());
$payback->setDate(date('i'), date('G'), date('j'), date('n'), date('Y'));
$payback->save();
}
}
}
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php');
exit();
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
header('location: index.php');
exit();
}
}
else {
header('location: index.php');
exit();
}
break;
case "see_paybacks":
$global_paybacks = new GlobalPayback();
if(empty($_GET['id'])) {
$global_paybacks = $global_paybacks->load();
if($global_paybacks !== false) {
$sort_keys = array();
foreach($global_paybacks as $key=>$entry) {
$sort_keys[$key] = $entry->getId();
}
array_multisort($sort_keys, SORT_DESC, $global_paybacks);
}
}
else {
$global_paybacks = $global_paybacks->load(array('id'=>(int) $_GET['id']), true);
$tpl->assign('id', (int) $_GET['id']);
$users_list = new User();
$users_list = $users_list->load();
$tpl->assign('users', $users_list);
}
$tpl->assign('list', true);
$tpl->assign('global_paybacks', $global_paybacks);
$tpl->assign('token', generate_token('global_payback'));
$tpl->draw('see_paybacks');
break;
case "confirm_global_paybacks":
if(!empty($_GET['from']) && !empty($_GET['to']) && !empty($_GET['payback_id']) && $_GET['from'] != $_GET['to']) {
if($_GET['to'] == $current_user->getId() || $current_user->getAdmin()) {
if(check_token(600, 'global_payback')) {
$global_payback = new GlobalPayback();
$global_payback = $global_payback->load(array('id'=>(int) $_GET['payback_id']), true);
$users_in = $global_payback->getUsersIn()->get();
$users_in[(int) $_GET['from']][(int) $_GET['to']] = 0;
$users_in[(int) $_GET['to']][(int) $_GET['from']] = 0;
$global_payback->setUsersIn($users_in);
if($global_payback->getUsersIn()->isEmpty()) {
$global_payback->setClosed(true);
}
else {
$global_payback->setClosed(false);
}
$global_payback->save();
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: ?do=see_paybacks&id='.(int)$_GET['payback_id']);
exit();
}
else {
header('location: index.php');
exit();
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
else {
header('location: index.php?'.$get_redir);
}
break;
case "manage_paybacks":
if(empty($_GET['new'])) {
$global_paybacks = new GlobalPayback();
$global_paybacks = $global_paybacks->load();
// Sort paybacks by id DESC
if($global_paybacks !== false) {
$sort_keys = array();
foreach($global_paybacks as $key=>$entry) {
$sort_keys[$key] = $entry->getId();
}
array_multisort($sort_keys, SORT_DESC, $global_paybacks);
}
$tpl->assign('list', true);
$tpl->assign('global_paybacks', $global_paybacks);
}
else {
if(!empty($_POST['users_in']) && count($_POST['users_in']) > 1) {
if(check_token(600, 'global_payback')) {
$global_payback = new GlobalPayback();
// Backup database
if(!is_dir('db_backups')) {
mkdir('db_backups');
}
if(!is_writeable('db_backups')) {
$tpl->assign('error', $errors['write_error_db_backups'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
else {
if(system(escapeshellcmd("mysqldump -q -h \"".MYSQL_HOST."\" -u \"".MYSQL_LOGIN."\" -p\"".MYSQL_PASSWORD."\" \"".MYSQL_DB."\" > db_backups/".date('d-m-Y_H:i'))) === FALSE) {
$tpl->assign('error', $errors['db_dump_failed'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
else {
$users_in = array();
foreach($_POST['users_in'] as $user1_id) {
$user1_id = intval($user1_id);
foreach($_POST['users_in'] as $user2_id) {
$user2_id = intval($user2_id);
if($user1_id == $user2_id) {
$users_in[$user1_id][$user2_id] = 0;
}
elseif(!empty($users_in[$user2_id][$user1_id])) {
if($users_in[$user2_id][$user1_id] > 0) {
$users_in[$user1_id][$user2_id] = 0;
}
else {
$users_in[$user1_id][$user2_id] = -$users_in[$user2_id][$user1_id];
$users_in[$user2_id][$user1_id] = 0;
}
}
else {
// Get the amount user1 owes to user2
$users_in[$user1_id][$user2_id] = 0;
// Confirm all paybacks when user2 is buyer
$invoices = new Invoice();
$invoices = $invoices->load(array('buyer'=>$user2_id));
if($invoices !== false) {
foreach($invoices as $invoice) {
if($invoice->getAmountPerPerson($user1_id) !== false) {
$paybacks = new Payback();
$paybacks = $paybacks->load(array('invoice_id'=>$invoice->getId(), 'to_user'=>$user2_id, 'from_user'=>$user1_id));
if($paybacks === false) {
$payback = new Payback();
$payback->setTo($user2_id);
$payback->setFrom($user1_id);
$payback->setAmount($invoice->getAmountPerPerson($user1_id));
$payback->setInvoice($invoice->getId());
$payback->setDate(date('i'), date('G'), date('j'), date('n'), date('Y'));
$payback->save();
// Add the amount to what user1 owes to user2
$users_in[$user1_id][$user2_id] += $payback->getAmount();
}
}
}
}
// Confirm all paybacks when from is buyer
$invoices = new Invoice();
$invoices = $invoices->load(array('buyer'=>$user1_id));
if($invoices !== false) {
foreach($invoices as $invoice) {
if($invoice->getAmountPerPerson($user2_id) !== false) {
$paybacks = new Payback();
$paybacks = $paybacks->load(array('invoice_id'=>$invoice->getId(), 'to_user'=>$user1_id, 'from_user'=>$user2_id));
if($paybacks === false) {
$payback = new Payback();
$payback->setTo($user1_id);
$payback->setFrom($user2_id);
$payback->setAmount($invoice->getAmountPerPerson($user2_id));
$payback->setInvoice($invoice->getId());
$payback->setDate(date('i'), date('G'), date('j'), date('n'), date('Y'));
$payback->save();
// Substract the amount to what user1 owes to user2
$users_in[$user1_id][$user2_id] -= $payback->getAmount();
}
}
}
}
}
}
}
// Now, let's simplify the matrix ! :)
// First, get the total balance by user (gains - debts)
$balances = array();
$simplified_balances = array();
foreach($_POST['users_in'] as $user) {
$balances[$user] = 0;
foreach($_POST['users_in'] as $user2) {
if(!empty($users_in[$user][$user2])) {
$balances[$user] -= $users_in[$user][$user2];
}
if(!empty($users_in[$user2][$user])) {
$balances[$user] += $users_in[$user2][$user];
}
$simplified_balances[$user][$user2] = 0;
}
}
// Round at 0.01 currency
foreach($balances as $key=>$balance) {
$balances[$key] = round($balance, 2);
}
// Do while $balances is not identically filled with zeros
$i = 0;
while(count(array_unique($balances)) != 1 or $balances[key($balances)] != 0) {
// Sort balances in abs values, desc
uasort($balances, "sort_array_abs");
// Get the largest one in abs
// The following largest with opposite sign must pay him back the max
reset($balances);
$user1 = key($balances);
foreach($balances as $user2=>$value) {
if($value * $balances[$user1] < 0) {
if($balances[$user1] > 0) {
$simplified_balances[$user2][$user1] = round(abs($value), 2);
$balances[$user1] = round($balances[$user1] - abs($value), 2);
$balances[$user2] = round($balances[$user2] + abs($value), 2);
}
else {
$simplified_balances[$user1][$user2] = round(abs($value), 2);
$balances[$user1] = round($balances[$user1] + abs($value), 2);
$balances[$user2] = round($balances[$user2] - abs($value), 2);
}
break;
}
}
}
$global_payback->setUsersIn($simplified_balances);
if($global_payback->getUsersIn()->isEmpty()) {
$global_payback->setClosed(true);
}
else {
$global_payback->setClosed(false);
}
$global_payback->setDate(date('i'), date('G'), date('j'), date('n'), date('Y'));
$global_payback->save();
// Clear the cache
($cached_files = glob(raintpl::$cache_dir."*.rtpl.php")) or ($cached_files = array());
array_map("unlink", $cached_files);
header('location: index.php?do=manage_paybacks&'.$get_redir);
exit();
}
}
}
else {
$tpl->assign('error', $errors['token_error'][LANG]);
$tpl->assign('block_error', true);
$tpl->draw('index');
exit();
}
}
$users_list = new User();
$users_list = $users_list->load();
$tpl->assign('users', $users_list);
}
$tpl->assign('token', generate_token('global_payback'));
$tpl->draw('manage_paybacks');
break;
default:
if(empty($_GET['all']))
$_GET['all'] = 0;
// Display cached page in priority
if($cache = $tpl->cache('index', $expire_time = 600, $cache_id = $current_user->getLogin().$_GET['all'])) {
echo $cache;
}
else {
$users_list = new User();
$users_list = $users_list->load();
$invoices_list = new Invoice();
if(empty($_GET['all'])) {
$invoices_list = $invoices_list->load(array('date'=>array('>='.date('Y-m').'-01 00:00:00', 'AND', '<='.date('Y-m').'-31 23:59:59')));
$tpl->assign('all', 0);
}
else {
$invoices_list = $invoices_list->load();
$tpl->assign('all', 1);
}
// Only keep the invoices which concern the user (as buyer or user in) (only if user != admin)
// TODO : Optimize ?
if(!$current_user->getAdmin()) {
foreach($invoices_list as $key=>$invoice) {
if($invoice->getBuyer() != $current_user->getId() && !$invoice->getUsersIn()->inUsersIn($current_user->getId())) {
unset($invoices_list[$key]);
}
}
}
if($invoices_list === false) $invoices_list = array();
else {
$sort_keys = array();
foreach($invoices_list as $key=>$entry) {
$sort_keys[$key] = $entry->getDate();
}
array_multisort($sort_keys, SORT_DESC, $invoices_list);
}
$paybacks = array();
foreach($invoices_list as $invoice) {
$paybacks[$invoice->getId()] = new Payback();
$paybacks[$invoice->getId()] = $paybacks[$invoice->getId()]->load(array('invoice_id'=>$invoice->getId()), false, 'from_user');
}
$balances = array();
foreach($users_list as $user1) {
foreach($users_list as $user2) {
if($user1->getId() == $user2->getId()) {
$balances[$user1->getId()][$user2->getId()] = 'X';
}
if(!empty($balances[$user2->getId()][$user1->getId()])) {
// If the opposed element in the matrix exists
if(is_float($balances[$user2->getId()][$user1->getId()])) {
if($balances[$user2->getId()][$user1->getId()] >= 0) {
$balances[$user1->getId()][$user2->getId()] = '-';
}
else {
$balances[$user1->getId()][$user2->getId()] = -$balances[$user2->getId()][$user1->getId()];
$balances[$user2->getId()][$user1->getId()] = '-';
}
}
}
else {
// TODO : Optimize ?
$balances[$user1->getId()][$user2->getId()] = 0;
// First, get a list of all invoices paid by user2 and check if user1 was in
$invoices_list_balances = new Invoice();
$invoices_list_balances = $invoices_list_balances->load(array('buyer'=>$user2->getId()));
if($invoices_list_balances !== false) {
foreach($invoices_list_balances as $invoice) {
if($invoice->getUsersIn()->inUsersIn($user1->getId())) {
$balances[$user1->getId()][$user2->getId()] = $balances[$user1->getId()][$user2->getId()] + $invoice->getAmountPerPerson($user1->getId(), false);
$payback_balance = new Payback();
$payback_balance = $payback_balance->load(array('invoice_id'=>$invoice->getId(), 'from_user'=>$user1->getId(), 'to_user'=>$user2->getId()), true);
if($payback_balance !== false)
$balances[$user1->getId()][$user2->getId()] = $balances[$user1->getId()][$user2->getId()] - $payback_balance->getAmount();
}
}
}
// Then search for all invoices paid by 1 and check if user2 was in
$invoices_list_balances = new Invoice();
$invoices_list_balances = $invoices_list_balances->load(array('buyer'=>$user1->getId()));
if($invoices_list_balances !== false) {
foreach($invoices_list_balances as $invoice) {
if($invoice->getUsersIn()->inUsersIn($user2->getId())) {
$balances[$user1->getId()][$user2->getId()] = $balances[$user1->getId()][$user2->getId()] - $invoice->getAmountPerPerson($user2->getId(), false);
$payback_balance = new Payback();
$payback_balance = $payback_balance->load(array('invoice_id'=>$invoice->getId(), 'from_user'=>$user2->getId(), 'to_user'=>$user1->getId()), true);
if($payback_balance !== false)
$balances[$user1->getId()][$user2->getId()] = $balances[$user1->getId()][$user2->getId()] + $payback_balance->getAmount();
}
}
}
if($balances[$user1->getId()][$user2->getId()] == 0) {
$balances[$user1->getId()][$user2->getId()] = '-';
$balances[$user2->getId()][$user1->getId()] = '-';
}
}
}
}
foreach($users_list as $user1) {
foreach($users_list as $user2) {
if($balances[$user1->getId()][$user2->getId()] != '-' && $balances[$user1->getId()][$user2->getId()] != 'X')
$balances[$user1->getId()][$user2->getId()] = round($balances[$user1->getId()][$user2->getId()], 2);
}
}
if(!$current_user->getAdmin()) {
$user_balance = 0;
foreach($users_list as $user1) {
$user_balance = $user_balance - $balances[$current_user->getId()][$user1->getId()];
$user_balance = $user_balance + $balances[$user1->getId()][$current_user->getId()];
}
$tpl->assign('user_balance', round($user_balance,2));
}
$tpl->assign('users', secureDisplay($users_list));
$tpl->assign('invoices', secureDisplay($invoices_list));
$tpl->assign('paybacks', secureDisplay($paybacks));
$tpl->assign('balances', secureDisplay($balances));
$tpl->assign('token', generate_token('invoice'));
// Cache the page (1 month to make it almost permanent and only regenerate it upon new invoice)
$tpl->cache('index', 108000, $current_user->getLogin().$_GET['all']);
$tpl->draw('index');
break;
}
}