69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
import { NextResponse } from 'next/server'
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const referrerMiddleware = (request) => {
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const regex = /(\/.*)?\/r\/([\w_]+)/
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const m = regex.exec(request.nextUrl.pathname)
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const url = new URL(m[1] || '/', request.url)
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url.search = request.nextUrl.search
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url.hash = request.nextUrl.hash
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const resp = NextResponse.redirect(url)
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resp.cookies.set('sn_referrer', m[2])
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return resp
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}
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const multiAuthMiddleware = (request) => {
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// switch next-auth session cookie with multi_auth cookie if cookie pointer present
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// is there a cookie pointer?
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const cookiePointerName = 'multi_auth.user-id'
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const hasCookiePointer = request.cookies?.has(cookiePointerName)
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// is there a session?
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const sessionCookieName = request.secure ? '__Secure-next-auth.session-token' : 'next-auth.session-token'
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const hasSession = request.cookies?.has(sessionCookieName)
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if (!hasCookiePointer || !hasSession) {
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// no session or no cookie pointer. do nothing.
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return NextResponse.next({ request })
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}
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const userId = request.cookies?.get(cookiePointerName)?.value
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if (userId === 'anonymous') {
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// user switched to anon. only delete session cookie.
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request.cookies.delete(sessionCookieName)
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return NextResponse.next({ request })
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}
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const userJWT = request.cookies.get(`multi_auth.${userId}`)?.value
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if (!userJWT) {
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// no multi auth JWT found
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return NextResponse.next({ request })
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}
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if (userJWT) {
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// multi auth JWT found in cookie that pointed to by cookie pointer that is different to current session cookie.
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request.cookies.set(sessionCookieName, userJWT)
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return NextResponse.next({ request })
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}
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return NextResponse.next({ request })
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}
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export function middleware (request) {
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const referrerRegexp = /(\/.*)?\/r\/([\w_]+)/
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if (referrerRegexp.test(request.nextUrl.pathname)) {
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return referrerMiddleware(request)
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}
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return multiAuthMiddleware(request)
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}
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export const config = {
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matcher: [
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// referrals
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'/(.*/|)r/([\\w_]+)([?#]?.*)',
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// account switching
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'/api/graphql', '/_next/data/(.*)'
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]
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}
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