135 lines
4.1 KiB
TypeScript
135 lines
4.1 KiB
TypeScript
/**
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* @file app/lib/services/auth.service.ts
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* @description Authentication service providing helper functions for guest credentials, sign-in, and registration.
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*/
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import { loginSchema, registerSchema } from "@/lib/schemas/auth.schema";
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import { signIn } from "next-auth/react";
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/**
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* Retrieves configured public guest credentials from environment variables.
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*
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* @async
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* @returns {Promise<{ email?: string; password?: string; error?: string }>} An object containing guest credentials or an error message if unconfigured.
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*/
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export async function getGuestCredentials() {
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const email = process.env.NEXT_PUBLIC_GUEST_EMAIL;
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const password = process.env.NEXT_PUBLIC_GUEST_PASSWORD;
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if (!email || !password) {
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return { error: "Guest login is not configured on the server." };
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}
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return { email, password };
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}
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/**
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* Triggers guest authentication securely via the backend API route.
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*
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* @async
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* @returns {Promise<{ success?: boolean; error?: string }>} An object indicating success or describing the error.
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*/
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export async function loginAsGuest() {
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try {
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const response = await fetch("/api/auth/guest", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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});
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const data = await response.json();
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if (!response.ok) {
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return { error: data.error || "Guest login failed." };
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}
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return { success: true };
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} catch (err: any) {
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return { error: "Server error: API endpoint not available" };
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}
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}
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/**
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* Authenticates a user using email and password credentials, performing client-side validation first.
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*
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* @async
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* @param {string} email - The user's email address.
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* @param {string} password - The user's account password.
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* @returns {Promise<{ success?: boolean; error?: string }>} An object indicating sign-in success or an error message.
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*/
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export async function loginUser(email: string, password: string) {
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const validationResult = loginSchema.safeParse({ email, password });
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if (!validationResult.success) {
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return { error: validationResult.error.issues[0].message };
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}
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try {
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const res = await signIn("credentials", {
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email: validationResult.data.email,
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password: validationResult.data.password,
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redirect: false,
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});
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if (res?.error) {
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if (res.error === "CredentialsSignin") {
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return { error: "Incorrect email address or password." };
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}
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return { error: "An unexpected error has occurred." };
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}
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return { success: true };
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} catch (err: any) {
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if (
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err?.message?.includes("fetch") ||
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err?.name === "TypeError" ||
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err?.message?.includes("network")
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) {
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return { error: "Server error: API endpoint not available" };
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}
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return { error: err?.message || "An unexpected error has occurred." };
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}
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}
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/**
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* Registers a new user account by validating the form data and submitting it to the backend registration route.
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*
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* @async
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* @param {Record<string, any>} payload - The user registration form payload containing credentials and user details.
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* @returns {Promise<{ success?: boolean; error?: string }>} An object indicating successful registration or an error message.
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*/
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export async function registerUser(payload: Record<string, any>) {
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const validationResult = registerSchema.safeParse(payload);
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if (!validationResult.success) {
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return { error: validationResult.error.issues[0].message };
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}
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try {
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const response = await fetch("/api/auth/register", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(validationResult.data),
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});
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const contentType = response.headers.get("content-type");
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let data;
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if (contentType && contentType.includes("application/json")) {
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try {
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data = await response.json();
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} catch (jsonErr) {
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return { error: "Server error: Invalid response format" };
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}
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} else {
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throw new Error("Server error: API endpoint not available");
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}
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if (!response.ok) {
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throw new Error(data.message || "Something went wrong.");
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}
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return { success: true };
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} catch (err: any) {
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return { error: err.message || "Something went wrong." };
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}
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}
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