119 lines
3.4 KiB
TypeScript
119 lines
3.4 KiB
TypeScript
import { createActionURL } from "@auth/core"
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import { headers as nextHeaders } from "next/headers"
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import { NextRequest, NextResponse } from "next/server"
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import { AuthError } from "next-auth"
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import { Lang } from "@/constants/languages"
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import { env } from "@/env/server"
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import { internalServerError } from "@/server/errors/next"
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import { signOut } from "@/auth"
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export async function GET(
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request: NextRequest,
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context: { params: { lang: Lang } }
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) {
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let redirectHeaders: Headers | undefined = undefined
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let redirectTo: string
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const returnUrl = request.headers.get("x-returnurl")
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if (returnUrl) {
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redirectTo = returnUrl
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} else {
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// Normal logout request from New web
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redirectTo =
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request.cookies.get("redirectTo")?.value || // Cookie gets set by authRequired middleware
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request.nextUrl.searchParams.get("redirectTo") ||
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"/"
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// Make relative URL to absolute URL
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if (redirectTo.startsWith("/")) {
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if (!env.PUBLIC_URL) {
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throw internalServerError("No value for env.PUBLIC_URL")
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}
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redirectTo = new URL(redirectTo, env.PUBLIC_URL).href
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}
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// Clean up cookie from authRequired middleware
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redirectHeaders = new Headers()
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redirectHeaders.append(
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"set-cookie",
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"redirectTo=; Expires=Thu, 01 Jan 1970 00:00:00 UTC; Path=/; HttpOnly; SameSite=Lax"
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)
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try {
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// Initiate the seamless logout flow
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let redirectUrlValue
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switch (context.params.lang) {
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case Lang.da:
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redirectUrlValue = env.SEAMLESS_LOGOUT_DA
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break
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case Lang.de:
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redirectUrlValue = env.SEAMLESS_LOGOUT_DE
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break
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case Lang.en:
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redirectUrlValue = env.SEAMLESS_LOGOUT_EN
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break
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case Lang.fi:
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redirectUrlValue = env.SEAMLESS_LOGOUT_FI
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break
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case Lang.no:
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redirectUrlValue = env.SEAMLESS_LOGOUT_NO
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break
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case Lang.sv:
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redirectUrlValue = env.SEAMLESS_LOGOUT_SV
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break
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}
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const redirectUrl = new URL(redirectUrlValue)
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redirectUrl.searchParams.set("returnurl", redirectTo)
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redirectTo = redirectUrl.toString()
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} catch (e) {
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console.error(
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"Unable to create URL for seamless logout, proceeding without it."
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)
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console.error(e)
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}
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}
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try {
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/**
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* Passing `redirect: false` to `signOut` will return a result object
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* instead of automatically redirecting inside of `signOut`.
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* https://github.com/nextauthjs/next-auth/blob/3c035ec/packages/next-auth/src/lib/actions.ts#L104
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*/
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console.log({ logout_NEXTAUTH_URL: process.env.NEXTAUTH_URL })
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console.log({ logout_env: process.env })
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console.log({ logout_redirectTo: redirectTo })
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const headers = new Headers(nextHeaders())
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const signOutURL = createActionURL(
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"signout",
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// @ts-expect-error `x-forwarded-proto` is not nullable, next.js sets it by default
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headers.get("x-forwarded-proto"),
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headers,
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process.env
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)
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console.log({ logout_signOutURL: signOutURL })
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const redirectUrlObj = await signOut({
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redirectTo,
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redirect: false,
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})
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if (redirectUrlObj) {
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return NextResponse.redirect(redirectUrlObj.redirect, {
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headers: redirectHeaders,
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})
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}
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} catch (error) {
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if (error instanceof AuthError) {
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console.log({ signOutAuthError: error })
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} else {
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console.log({ signOutError: error })
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}
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}
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return internalServerError()
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}
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