Files
FileRise/login_basic.php

106 lines
3.7 KiB
PHP

<?php
require_once 'config.php';
$usersFile = USERS_DIR . USERS_FILE; // Make sure the users file path is defined
// Reuse the same authentication function
function authenticate($username, $password)
{
global $usersFile;
if (!file_exists($usersFile)) {
error_log("authenticate(): users file not found");
return false;
}
$lines = file($usersFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
foreach ($lines as $line) {
list($storedUser, $storedPass, $storedRole) = explode(':', trim($line), 3);
if ($username === $storedUser && password_verify($password, $storedPass)) {
return $storedRole; // Return the user's role
}
}
error_log("authenticate(): authentication failed for '$username'");
return false;
}
// Define helper function to get a user's role from users.txt
function getUserRole($username) {
global $usersFile;
if (file_exists($usersFile)) {
$lines = file($usersFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
foreach ($lines as $line) {
$parts = explode(":", trim($line));
if (count($parts) >= 3 && $parts[0] === $username) {
return trim($parts[2]);
}
}
}
return null;
}
// Add the loadFolderPermission function here:
function loadFolderPermission($username) {
global $encryptionKey;
$permissionsFile = USERS_DIR . 'userPermissions.json';
if (file_exists($permissionsFile)) {
$content = file_get_contents($permissionsFile);
// Try to decrypt the content.
$decryptedContent = decryptData($content, $encryptionKey);
if ($decryptedContent !== false) {
$permissions = json_decode($decryptedContent, true);
} else {
$permissions = json_decode($content, true);
}
if (is_array($permissions)) {
// Use case-insensitive comparison.
foreach ($permissions as $storedUsername => $data) {
if (strcasecmp($storedUsername, $username) === 0 && isset($data['folderOnly'])) {
return (bool)$data['folderOnly'];
}
}
}
}
return false; // Default if not set.
}
// Check if the user has sent HTTP Basic auth credentials.
if (!isset($_SERVER['PHP_AUTH_USER'])) {
header('WWW-Authenticate: Basic realm="FileRise Login"');
header('HTTP/1.0 401 Unauthorized');
echo 'Authorization Required';
exit;
} else {
$username = trim($_SERVER['PHP_AUTH_USER']);
$password = trim($_SERVER['PHP_AUTH_PW']);
// Validate username format (optional)
if (!preg_match('/^[A-Za-z0-9_\- ]+$/', $username)) {
header('WWW-Authenticate: Basic realm="FileRise Login"');
header('HTTP/1.0 401 Unauthorized');
echo 'Invalid username format';
exit;
}
// Attempt authentication
$roleFromAuth = authenticate($username, $password);
if ($roleFromAuth !== false) {
// Use getUserRole() to determine the user's role from the file
$actualRole = getUserRole($username);
session_regenerate_id(true);
$_SESSION["authenticated"] = true;
$_SESSION["username"] = $username;
$_SESSION["isAdmin"] = ($actualRole === "1");
// Set the folderOnly flag based on userPermissions.json.
$_SESSION["folderOnly"] = loadFolderPermission($username);
// Redirect to the main page (or output JSON for testing)
header("Location: index.html");
exit;
} else {
// Invalid credentials; prompt again
header('WWW-Authenticate: Basic realm="FileRise Login"');
header('HTTP/1.0 401 Unauthorized');
echo 'Invalid credentials';
exit;
}
}
?>