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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | 27x 27x 27x 27x 27x 27x 27x 27x 27x 27x 1x 1x 26x 26x 26x 61x 61x 1x 1x 1x 1x 1x 1x 1x 1x 17x 14x 1x 1x 1x 13x 14x 14x 14x 3x 3x 3x 11x 11x 11x 3x 14x 14x 20x 16x 15x 2x 13x 7x 7x 7x 7x 13x 7x 7x 7x 7x 7x 7x 7x 7x 7x 3x 3x 3x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 29x 29x 1x | // Simple in-memory user storage for demonstration
// In a real application, this would be replaced with a database (MongoDB, PostgreSQL, etc.)
class User {
constructor(id, email, password, name, createdAt) {
this.id = id;
this.email = email;
this.password = password;
this.name = name;
this.createdAt = createdAt || new Date().toISOString();
this.loginAttempts = 0;
this.lastLoginAttempt = null;
this.isLocked = false;
this.passwordResetToken = null;
this.passwordResetExpires = null;
}
}
// In-memory storage
let users = [];
let nextId = 1;
class UserModel {
// Create a new user
static async create(userData) {
const user = new User(
nextId++,
userData.email,
userData.password,
userData.name
);
users.push(user);
return { ...user };
}
// Find user by email
static async findByEmail(email) {
const user = users.find(u => u.email === email);
return user ? { ...user } : null;
}
// Find user by ID
static async findById(id) {
const user = users.find(u => u.id === parseInt(id));
return user ? { ...user } : null;
}
// Update user
static async update(id, updateData) {
const userIndex = users.findIndex(u => u.id === parseInt(id));
Iif (userIndex === -1) return null;
const user = users[userIndex];
const updatedUser = { ...user, ...updateData };
users[userIndex] = updatedUser;
return { ...updatedUser };
}
// Delete user
static async delete(id) {
const userIndex = users.findIndex(u => u.id === parseInt(id));
if (userIndex === -1) return false;
users.splice(userIndex, 1);
return true;
}
// Track login attempt
static async trackLoginAttempt(email, success) {
let userIndex = users.findIndex(u => u.email === email);
// If user doesn't exist and it's a failed attempt, create a temporary record
if (userIndex === -1 && !success) {
const tempUser = new User(
nextId++,
email,
null, // No password for non-existent users
null, // No name for non-existent users
new Date().toISOString()
);
users.push(tempUser);
userIndex = users.length - 1;
} else Iif (userIndex === -1) {
return null; // User doesn't exist and it's a successful login (shouldn't happen)
}
const user = users[userIndex];
const now = new Date();
if (success) {
// Reset login attempts on successful login
user.loginAttempts = 0;
user.isLocked = false;
user.lastLoginAttempt = now;
} else {
// Increment failed attempts
user.loginAttempts += 1;
user.lastLoginAttempt = now;
// Lock account after 3 failed attempts
if (user.loginAttempts >= 3) {
user.isLocked = true;
}
}
users[userIndex] = user;
return { ...user };
}
// Check if account is locked
static async isAccountLocked(email) {
const user = users.find(u => u.email === email);
if (!user) return false;
// Check if account is locked due to failed attempts
if (user.isLocked) {
return true;
}
// Auto-unlock after 2 seconds for testing (15 minutes in production)
if (user.lastLoginAttempt) {
const lockoutDuration = process.env.NODE_ENV === 'test' ? 2000 : 15 * 60 * 1000; // 2s for test, 15 min for production
const timeSinceLastAttempt = new Date() - new Date(user.lastLoginAttempt);
Iif (user.loginAttempts >= 3 && timeSinceLastAttempt < lockoutDuration) {
return true;
} else Iif (timeSinceLastAttempt >= lockoutDuration) {
// Auto-unlock after timeout
const userIndex = users.findIndex(u => u.email === email);
if (userIndex !== -1) {
users[userIndex].loginAttempts = 0;
users[userIndex].isLocked = false;
}
return false;
}
}
return false;
}
// Generate password reset token
static async generatePasswordResetToken(email) {
const userIndex = users.findIndex(u => u.email === email);
Iif (userIndex === -1) return null;
const user = users[userIndex];
const resetToken = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
const resetExpires = new Date(Date.now() + (process.env.NODE_ENV === 'test' ? 10000 : 60 * 60 * 1000)); // 10s for test, 1 hour for production
user.passwordResetToken = resetToken;
user.passwordResetExpires = resetExpires;
users[userIndex] = user;
return { ...user };
}
// Verify password reset token
static async verifyPasswordResetToken(email, token) {
const user = users.find(u => u.email === email);
Iif (!user) return null;
if (user.passwordResetToken !== token) return null;
Iif (new Date() > new Date(user.passwordResetExpires)) return null;
return { ...user };
}
// Reset password with token
static async resetPassword(email, token, newPassword) {
const userIndex = users.findIndex(u => u.email === email);
Iif (userIndex === -1) return null;
const user = users[userIndex];
Iif (user.passwordResetToken !== token) return null;
Iif (new Date() > new Date(user.passwordResetExpires)) return null;
// Update password and clear reset token
user.password = newPassword;
user.passwordResetToken = null;
user.passwordResetExpires = null;
user.loginAttempts = 0;
user.isLocked = false;
users[userIndex] = user;
return { ...user };
}
// Get all users (for testing purposes)
static async findAll() {
return users.map(user => ({ ...user }));
}
// Clear all users (for testing purposes)
static async clear() {
users = [];
nextId = 1;
}
}
module.exports = UserModel; |