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mod_swift - ApacheExpress

Apache 2 Swift3 macOS Travis

mod_swift is a technology demo which shows how to write native modules for the Apache Web Server in the Swift 3 programming language. Server Side Swift the right way.


TODO: Cleanup the README. mods_expressdemo

Know what? This looks awkwardly difficult ...

Fair enough. So we integrated a tiny subset of to allow you to do just that. This is what it looks like:

func expressMain() {
  apache.onRequest { req, res in
    res.writeHead(200, [ "Content-Type": "text/html" ])
    try res.end("<h1>Hello World</h1>")

And is configured like this in the Apache conf:

<LocationMatch /express/*>
  SetHandler de.zeezide.ApacheExpress

Now you are saying, this is all nice and pretty. But what about Connect? I want to write and reuse middleware! Here you go:

func expressMain() {
  let app = apache.connect()
  app.use { req, res, next in"Request is passing Connect middleware ...")
    res.setHeader("Content-Type", "text/html; charset=utf-8")
    // Note: we do not close the request, we continue with the next middleware
    try next()
  app.use("/express/connect") { req, res, next in
    try res.write("<p>This is a random cow:</p><pre>")
    try res.write(vaca())
    try res.write("</pre>")

And Express? Sure, the Apache Express is about to leave:

let app =, session())

app.get("/express/cookies") { req, res, _ in
  // returns all cookies as JSON
  try res.json(req.cookies)

app.get("/express/") { req, res, _ in
  let tagline = arc4random_uniform(UInt32(taglines.count))
  let values : [ String : Any ] = [
    "tagline"     : taglines[Int(tagline)],
    "viewCount"   : req.session["viewCount"] ?? 0,
    "cowOfTheDay" : cows.vaca()
  try res.render("index", values)

Yes. All that is running within Apache. The working example can be found here: ExpressMain.swift.