| import { NextRequest, NextResponse } from "next/server"; |
| import { ZodError } from "zod"; |
| import { requestOrigin } from "./request-origin"; |
| import { getSessionUser } from "./session"; |
|
|
| export class ApiError extends Error { |
| constructor(public status: number, message: string, public code = "request_error") { |
| super(message); |
| } |
| } |
|
|
| export function requireSameOrigin(request: Request) { |
| const origin = request.headers.get("origin"); |
| if (origin && origin !== requestOrigin(request)) throw new ApiError(403, "Cross-origin mutation rejected.", "origin_rejected"); |
| } |
|
|
| export async function requireUser(request: NextRequest) { |
| const session = await getSessionUser(request); |
| if (!session) throw new ApiError(401, "Authentication required.", "authentication_required"); |
| if (!session.user.emailVerifiedAt) throw new ApiError(403, "Verify your email before continuing.", "email_unverified"); |
| return session.user; |
| } |
|
|
| export async function readJsonObject(request: Request) { |
| let value: unknown; |
| try { |
| value = await request.json(); |
| } catch { |
| throw new ApiError(400, "Request body must be valid JSON.", "invalid_json"); |
| } |
| if (!value || typeof value !== "object" || Array.isArray(value)) { |
| throw new ApiError(400, "Request body must be a JSON object.", "invalid_body"); |
| } |
| return value; |
| } |
|
|
| export function apiResponseError(error: unknown) { |
| if (error instanceof ApiError) { |
| return NextResponse.json({ error: error.message, code: error.code }, { status: error.status }); |
| } |
| if (error instanceof ZodError) { |
| return NextResponse.json({ error: "Invalid request.", code: "validation_error", issues: error.flatten() }, { status: 400 }); |
| } |
| console.error(error); |
| return NextResponse.json({ error: "Unexpected server error.", code: "internal_error" }, { status: 500 }); |
| } |
|
|
| export function parseLimit(value: string | null, fallback = 20, max = 50) { |
| const limit = Number(value ?? fallback); |
| if (!Number.isInteger(limit) || limit < 1 || limit > max) throw new ApiError(400, `limit must be between 1 and ${max}.`, "validation_error"); |
| return limit; |
| } |
|
|
