database_setup.sql

-- AuthShield Database Setup
-- Run these commands in your MySQL client

CREATE DATABASE authshield;

USE authshield;

-- Users table
CREATE TABLE users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    email VARCHAR(255) NOT NULL UNIQUE,
    password_hash VARCHAR(255) NOT NULL,
    is_locked BOOLEAN DEFAULT FALSE,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);

-- Unlock tokens table
CREATE TABLE unlock_tokens (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    token VARCHAR(255) NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);

-- IP-based rate limiting table
CREATE TABLE login_attempts (
    id INT AUTO_INCREMENT PRIMARY KEY,
    ip_address VARCHAR(45) NOT NULL,
    user_id INT,
    failed_attempts INT DEFAULT 0,
    last_failed_attempt DATETIME,
    cooldown_round INT DEFAULT 0,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_ip (ip_address),
    INDEX idx_user_id (user_id)
);