mirror of https://github.com/itflow-org/itflow
Merge pull request #320 from wrongecho/brute-force-login
Add basic IP login brute force protection
This commit is contained in:
Johnny
GitHub
commit
c47eac328d
257
login.php
257
login.php
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@ -1,8 +1,8 @@
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<?php
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if(!file_exists('config.php')){
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header("Location: setup.php");
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exit;
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header("Location: setup.php");
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exit;
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}
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include("config.php");
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@ -26,96 +26,119 @@ if($config_https_only){
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if(isset($_POST['login'])){
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// Sessions should start after the user has POSTed data
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session_start();
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$email = strip_tags(mysqli_real_escape_string($mysqli,$_POST['email']));
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$password = $_POST['password'];
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$current_code = strip_tags(mysqli_real_escape_string($mysqli,$_POST['current_code']));
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if(!empty($current_code)){
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$current_code = strip_tags(mysqli_real_escape_string($mysqli,$_POST['current_code']));
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}
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$sql = mysqli_query($mysqli,"SELECT * FROM users WHERE user_email = '$email'");
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$row = mysqli_fetch_array($sql);
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// Sessions should start after the user has POSTed data
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session_start();
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if(password_verify($password, $row['user_password'])){
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// Check recent failed login attempts for this IP (more than 10 failed logins in 5 mins)
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$token = $row['user_token'];
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$_SESSION['user_id'] = $row['user_id'];
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$_SESSION['user_name'] = $row['user_name'];
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$user_name = $row['user_name'];
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$user_id = $row['user_id'];
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// TODO: We can probably just use a count for this, but couldn't make it not count *everything*
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$ip_failed_logins_sql = mysqli_query($mysqli, "SELECT * FROM logs WHERE log_ip = '$ip' AND log_type = 'Login' AND log_action = 'Failed' AND log_created_at > (NOW() - INTERVAL 5 MINUTE)");
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$failed_login_count = mysqli_num_rows($ip_failed_logins_sql);
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// Setup encryption session key
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if(isset($row['user_specific_encryption_ciphertext'])){
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$user_encryption_ciphertext = $row['user_specific_encryption_ciphertext'];
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$site_encryption_master_key = decryptUserSpecificKey($user_encryption_ciphertext, $password);
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generateUserSessionKey($site_encryption_master_key);
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// Login brute force check
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if($failed_login_count >= 10){
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// Logging
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Failed', log_description = 'Failed login attempt due to IP lockout', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW()");
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// Send an alert only count hits 10 to reduce flooding alerts (using 1 as "default" company)
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if($failed_login_count == 10){
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mysqli_query($mysqli,"INSERT INTO alerts SET alert_type = 'Lockout', alert_message = '$ip was locked out for repeated failed login attempts.', alert_date = NOW(), company_id = '1'");
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}
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// Inform user
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$response = '<div class=\'alert alert-danger\'>IP Lockout - Please try again later.<button class=\'close\' data-dismiss=\'alert\'>×</button></div>';
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}
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// Setup extension
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if(isset($row['user_extension_key']) && !empty($row['user_extension_key'])){
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// Extension cookie
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// Note: Browsers don't accept cookies with SameSite None if they are not HTTPS.
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setcookie("user_extension_key", "$row[user_extension_key]", ['path' => '/','secure' => true,'httponly' => true,'samesite' => 'None']);
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// Passed login brute force check
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else{
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$email = strip_tags(mysqli_real_escape_string($mysqli, $_POST['email']));
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$password = $_POST['password'];
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$current_code = strip_tags(mysqli_real_escape_string($mysqli, $_POST['current_code']));
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if (!empty($current_code)) {
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$current_code = strip_tags(mysqli_real_escape_string($mysqli, $_POST['current_code']));
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}
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$sql = mysqli_query($mysqli, "SELECT * FROM users WHERE user_email = '$email'");
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$row = mysqli_fetch_array($sql);
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if (password_verify($password, $row['user_password'])) {
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// Set PHP session in DB so we can access the session encryption data (above)
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$user_php_session = session_id();
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mysqli_query($mysqli, "UPDATE users SET user_php_session = '$user_php_session' WHERE user_id = '$user_id'");
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$token = $row['user_token'];
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$_SESSION['user_id'] = $row['user_id'];
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$_SESSION['user_name'] = $row['user_name'];
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$user_name = $row['user_name'];
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$user_id = $row['user_id'];
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}
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// Setup encryption session key
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if (isset($row['user_specific_encryption_ciphertext'])) {
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$user_encryption_ciphertext = $row['user_specific_encryption_ciphertext'];
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$site_encryption_master_key = decryptUserSpecificKey($user_encryption_ciphertext, $password);
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generateUserSessionKey($site_encryption_master_key);
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}
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if(empty($token)){
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$_SESSION['logged'] = TRUE;
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mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Login', log_action = 'Success', log_description = '$user_name successfully logged in', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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header("Location: dashboard.php");
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}else{
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$token_field = "<div class='input-group mb-3'>
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<input type='text' class='form-control' placeholder='Token' name='current_code' autofocus>
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<div class='input-group-append'>
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<div class='input-group-text'>
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<span class='fas fa-key'></span>
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// Setup extension
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if (isset($row['user_extension_key']) && !empty($row['user_extension_key'])) {
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// Extension cookie
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// Note: Browsers don't accept cookies with SameSite None if they are not HTTPS.
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setcookie("user_extension_key", "$row[user_extension_key]", ['path' => '/', 'secure' => true, 'httponly' => true, 'samesite' => 'None']);
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// Set PHP session in DB so we can access the session encryption data (above)
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$user_php_session = session_id();
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mysqli_query($mysqli, "UPDATE users SET user_php_session = '$user_php_session' WHERE user_id = '$user_id'");
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}
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if (empty($token)) {
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$_SESSION['logged'] = TRUE;
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Success', log_description = '$user_name successfully logged in', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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header("Location: dashboard.php");
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} else {
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$token_field = "<div class='input-group mb-3'>
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<input type='text' class='form-control' placeholder='Token' name='current_code' autofocus>
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<div class='input-group-append'>
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<div class='input-group-text'>
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<span class='fas fa-key'></span>
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</div>
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</div>
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</div>";
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require_once("rfc6238.php");
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if (TokenAuth6238::verify($token, $current_code)) {
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$_SESSION['logged'] = TRUE;
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login 2FA', log_action = 'Success', log_description = '$user_name successfully logged in using 2FA', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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//header("Location: $config_start_page");
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header("Location: dashboard.php");
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} else {
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = '2FA Failed', log_description = '$user_name failed 2FA', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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$response = "
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<div class='alert alert-primary'>
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Please Enter 2FA Key!
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<button class='close' data-dismiss='alert'>×</button>
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</div>
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</div>
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</div>";
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";
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}
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}
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require_once("rfc6238.php");
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} else {
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mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Failed', log_description = 'Failed login attempt using $email', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW()");
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if(TokenAuth6238::verify($token,$current_code)){
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$_SESSION['logged'] = TRUE;
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mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Login 2FA', log_action = 'Success', log_description = '$user_name successfully logged in using 2FA', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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//header("Location: $config_start_page");
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header("Location: dashboard.php");
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}else{
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mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Login', log_action = '2FA Failed', log_description = '$user_name failed 2FA', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW(), log_user_id = $user_id");
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$response = "
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<div class='alert alert-primary'>
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Please Enter 2FA Key!
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$response = "
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<div class='alert alert-danger'>
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Incorrect username or password.
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<button class='close' data-dismiss='alert'>×</button>
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</div>
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";
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}
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}
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}
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}else{
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mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Login', log_action = 'Failed', log_description = 'Failed login attempt using $email', log_ip = '$ip', log_user_agent = '$user_agent', log_created_at = NOW()");
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$response = "
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<div class='alert alert-danger'>
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Incorrect username or password.
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<button class='close' data-dismiss='alert'>×</button>
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</div>
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";
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}
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title><?php echo $config_app_name; ?> | Login</title>
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@ -128,63 +151,63 @@ if(isset($_POST['login'])){
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<link rel="stylesheet" href="dist/css/adminlte.min.css">
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<!-- Google Font: Source Sans Pro -->
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<link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,400i,700" rel="stylesheet">
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</head>
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<body class="hold-transition login-page">
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<div class="login-box">
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</head>
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<body class="hold-transition login-page">
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<div class="login-box">
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<div class="login-logo">
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<b>IT</b>Flow
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<b>IT</b>Flow
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</div>
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<!-- /.login-logo -->
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<div class="card">
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<div class="card-body login-card-body">
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<p class="login-box-msg"><?php if(isset($response)) { echo $response; } ?></p>
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<form method="post">
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<div class="input-group mb-3">
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<input type="text" class="form-control" placeholder="Email" name="email" value="<?php if(!empty($token_field)){ echo $email; }?>" required <?php if(empty($token_field)){ echo "autofocus"; } ?> >
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<div class="input-group-append">
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<div class="input-group-text">
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<span class="fas fa-envelope"></span>
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</div>
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</div>
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</div>
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<div class="input-group mb-3">
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<input type="password" class="form-control" placeholder="Password" name="password" value="<?php if(!empty($token_field)){ echo $password; } ?>" required>
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<div class="input-group-append">
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<div class="input-group-text">
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<span class="fas fa-lock"></span>
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</div>
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</div>
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</div>
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<?php if(!empty($token_field)){ echo $token_field; } ?>
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<button type="submit" class="btn btn-primary btn-block mb-3" name="login">Sign In</button>
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</form>
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<div class="card-body login-card-body">
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<p class="login-box-msg"><?php if(isset($response)) { echo $response; } ?></p>
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<form method="post">
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<div class="input-group mb-3">
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<input type="text" class="form-control" placeholder="Email" name="email" value="<?php if(!empty($token_field)){ echo $email; }?>" required <?php if(empty($token_field)){ echo "autofocus"; } ?> >
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<div class="input-group-append">
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<div class="input-group-text">
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<span class="fas fa-envelope"></span>
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</div>
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</div>
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</div>
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<div class="input-group mb-3">
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<input type="password" class="form-control" placeholder="Password" name="password" value="<?php if(!empty($token_field)){ echo $password; } ?>" required>
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<div class="input-group-append">
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<div class="input-group-text">
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<span class="fas fa-lock"></span>
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</div>
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</div>
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</div>
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<?php if(!empty($token_field)){ echo $token_field; } ?>
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</div>
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<!-- /.login-card-body -->
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<button type="submit" class="btn btn-primary btn-block mb-3" name="login">Sign In</button>
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</form>
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</div>
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<!-- /.login-card-body -->
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</div>
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</div>
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<!-- /.login-box -->
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</div>
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<!-- /.login-box -->
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<!-- jQuery -->
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<script src="plugins/jquery/jquery.min.js"></script>
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<!-- Bootstrap 4 -->
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<script src="plugins/bootstrap/js/bootstrap.bundle.min.js"></script>
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<!-- AdminLTE App -->
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<script src="dist/js/adminlte.min.js"></script>
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<!-- jQuery -->
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<script src="plugins/jquery/jquery.min.js"></script>
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<!-- Bootstrap 4 -->
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<script src="plugins/bootstrap/js/bootstrap.bundle.min.js"></script>
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<!-- AdminLTE App -->
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<script src="dist/js/adminlte.min.js"></script>
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<script src="plugins/Show-Hide-Passwords-Bootstrap-4/bootstrap-show-password.min.js"></script>
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<script src="plugins/Show-Hide-Passwords-Bootstrap-4/bootstrap-show-password.min.js"></script>
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<!-- Prevents resubmit on refresh or back -->
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<script>
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<!-- Prevents resubmit on refresh or back -->
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<script>
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if(window.history.replaceState){
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window.history.replaceState(null,null,window.location.href);
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window.history.replaceState(null,null,window.location.href);
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}
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</script>
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</script>
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</body>
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</body>
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</html>
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