| 1 | import type { NextRequest } from 'next/server' |
| 2 | import acceptLanguage from 'accept-language' |
| 3 | import { NextResponse } from 'next/server' |
| 4 | import { cookieName, fallbackLng, languages } from '@/app/i18n/settings' |
| 5 | import { ProxyUrls } from '@/constant' |
| 6 | |
| 7 | acceptLanguage.languages(languages) |
| 8 | |
| 9 | export const config = { |
| 10 | // matcher: '/:lng*' |
| 11 | matcher: ['/((?!api|_next/static|_next/image|assets|favicon.ico|sw.js|site.webmanifest).*)'], |
| 12 | } |
| 13 | |
| 14 | export function middleware(req: NextRequest) { |
| 15 | if (ProxyUrls.find(v => req.nextUrl.pathname.includes(v!))) { |
| 16 | return NextResponse.next() |
| 17 | } |
| 18 | if ( |
| 19 | [ |
| 20 | '/robots.txt', |
| 21 | '/sitemap.xml', |
| 22 | '/sitemap', |
| 23 | '/health', |
| 24 | '/healthz', |
| 25 | '/js/xhs_sign_init.js', |
| 26 | '/js/xhs_web_sign.js', |
| 27 | '/js/xhs_sign_core.js', |
| 28 | '/js/xhs_sign_inject.js', |
| 29 | '/shortLink', |
| 30 | '/downloads', |
| 31 | ].find(v => req.nextUrl.pathname.includes(v!)) |
| 32 | ) { |
| 33 | return NextResponse.next() |
| 34 | } |
| 35 | if (/^\/sitemap-\d+\.xml$/.test(req.nextUrl.pathname)) { |
| 36 | return NextResponse.next() |
| 37 | } |
| 38 | |
| 39 | if (req.nextUrl.pathname.includes('icon') || req.nextUrl.pathname.includes('chrome')) { |
| 40 | return NextResponse.next() |
| 41 | } |
| 42 | let lng: string | undefined | null |
| 43 | if (req.cookies.has(cookieName)) |
| 44 | lng = acceptLanguage.get(req.cookies.get(cookieName)?.value) |
| 45 | if (!lng) |
| 46 | lng = acceptLanguage.get(req.headers.get('Accept-Language')) |
| 47 | if (!lng) |
| 48 | lng = fallbackLng |
| 49 | |
| 50 | // Redirect if lng in path is not supported |
| 51 | if ( |
| 52 | !languages.some(loc => req.nextUrl.pathname.startsWith(`/${loc}`)) |
| 53 | && !req.nextUrl.pathname.startsWith('/_next') |
| 54 | ) { |
| 55 | return NextResponse.redirect( |
| 56 | new URL(`/${lng}${req.nextUrl.pathname}${req.nextUrl.search}`, req.url), |
| 57 | ) |
| 58 | } |
| 59 | |
| 60 | if (req.headers.has('referer')) { |
| 61 | const refererUrl = new URL(req.headers.get('referer') || '') |
| 62 | const lngInReferer = languages.find(l => refererUrl.pathname.startsWith(`/${l}`)) |
| 63 | const response = NextResponse.next() |
| 64 | if (lngInReferer) |
| 65 | response.cookies.set(cookieName, lngInReferer) |
| 66 | return response |
| 67 | } |
| 68 | return NextResponse.next() |
| 69 | } |
| 70 |