Initial LinkedSign platform

backend/src/modules/auth/auth.validator.js

@@ -0,0 +1,48 @@
+const Joi = require('joi');
+
+const isStrongPassword = (value, helpers) => {
+  const rules = [
+    { test: value.length >= 8, message: 'at least 8 characters' },
+    { test: /[A-Z]/.test(value), message: 'one uppercase letter' },
+    { test: /[a-z]/.test(value), message: 'one lowercase letter' },
+    { test: /\d/.test(value), message: 'one number' },
+    { test: /[^A-Za-z0-9]/.test(value), message: 'one special character' },
+  ];
+
+  const missing = rules.filter((rule) => !rule.test).map((rule) => rule.message);
+  if (missing.length > 0) {
+    return helpers.message(`Password must include ${missing.join(', ')}.`);
+  }
+
+  return value;
+};
+
+const registerSchema = Joi.object({
+  email: Joi.string().email().required(),
+  password: Joi.string().max(100).required().custom(isStrongPassword),
+});
+
+const loginSchema = Joi.object({
+  email: Joi.string().email().required(),
+  password: Joi.string().required(),
+});
+
+const refreshSchema = Joi.object({
+  refreshToken: Joi.string().required(),
+});
+
+const changePasswordSchema = Joi.object({
+  currentPassword: Joi.string().required(),
+  newPassword: Joi.string().max(100).required().custom(isStrongPassword),
+});
+
+const validate = (schema) => (req, res, next) => {
+  const { error } = schema.validate(req.body, { abortEarly: false });
+  if (error) {
+    const messages = error.details.map((d) => d.message);
+    return res.status(400).json({ success: false, data: null, error: messages.join('; ') });
+  }
+  next();
+};
+
+module.exports = { validate, registerSchema, loginSchema, refreshSchema, changePasswordSchema };