xLog/src/middleware.ts

139 lines
3.5 KiB
TypeScript

import createMiddleware from "next-intl/middleware"
import { NextRequest, NextResponse } from "next/server"
import { getClientIp } from "@supercharge/request-ip"
import { IS_PROD } from "~/lib/constants"
import { defaultLocale, locales } from "./i18n"
// HTTPWhiteListPaths: White list of path for plain http request, no HTTPS redirect
const HTTPWhitelistPaths = ["/api/healthcheck"]
export const config = {
// Skip all paths that should not be internationalized. This example skips the
// folders "api", "_next" and all files with an extension (e.g. favicon.ico)
matcher: ["/((?!api|_next|_vercel|.*\\..*).*)"],
}
export async function middleware(req: NextRequest) {
const handleI18nRouting = createMiddleware({
locales,
defaultLocale,
localePrefix: "never",
})
const { pathname } = req.nextUrl
if (
IS_PROD &&
req.headers.get("x-forwarded-proto") !== "https" &&
!HTTPWhitelistPaths.includes(pathname)
) {
let cfHttps = false
try {
if (
JSON.parse(req.headers.get("cf-visitor") || "{}").scheme === "https"
) {
cfHttps = true
}
} catch (error) {
console.error(error)
}
if (!cfHttps) {
// return NextResponse.redirect(
// `https://${req.headers.get("host")}${req.nextUrl.pathname}${
// req.nextUrl.search
// }`,
// 301,
// )
}
}
if (
pathname === "/feed.xml" ||
pathname === "/atom.xml" ||
pathname === "/feed/xml"
) {
return NextResponse.redirect(
`https://${
req.headers.get("x-forwarded-host") || req.headers.get("host")
}/feed`,
301,
)
}
console.debug(`${req.method} ${req.nextUrl}`)
const response = handleI18nRouting(req)
// https://github.com/vercel/next.js/issues/46618#issuecomment-1450416633
response.headers.set("x-xlog-pathname", pathname)
response.headers.set("x-xlog-search", req.nextUrl.search)
response.headers.set("x-xlog-ip", getClientIp(req) || "")
if (
pathname.startsWith("/api/") ||
pathname.startsWith("/dashboard") ||
pathname.startsWith("/_next/") ||
pathname.startsWith("/assets/") ||
pathname.startsWith("/locales/") ||
pathname.startsWith("/site/") ||
pathname.match(/^\/(workbox|worker|fallback)-\w+\.js(\.map)?$/) ||
pathname === "/sw.js" ||
pathname === "/sw.js.map" ||
pathname === "/monitoring" ||
pathname === "favicon.ico"
) {
return response
}
let tenant: {
subdomain?: string
redirect?: string
} = {}
try {
tenant = await (
await fetch(
new URL(
`/api/host2handle?host=${
req.headers.get("x-forwarded-host") || req.headers.get("host")
}`,
req.url,
),
)
).json()
} catch (error) {
console.error(error)
}
if (tenant?.redirect && IS_PROD && !pathname.startsWith("/feed")) {
return NextResponse.redirect(
`${tenant.redirect}${req.nextUrl.pathname}${req.nextUrl.search}`,
)
}
response.headers.set("x-xlog-handle", tenant.subdomain || "")
if (tenant?.subdomain) {
const newResponse = NextResponse.rewrite(
new URL(
`/${response.headers.get(
"x-middleware-request-x-next-intl-locale",
)}/site/${tenant?.subdomain}${pathname === "/" ? "" : pathname}${
req.nextUrl.search
}`,
req.url,
),
)
response.headers.forEach((value, key) => {
if (key !== "x-middleware-rewrite") {
newResponse.headers.set(key, value)
}
})
return newResponse
}
return response
}