How to direct HTTP to HTTPS in Express

This time I will show you how to direct HTTP to HTTPS in Express and what are the precautions. The following is a practical case, let's take a look.

When I tested locally, HTTP used port 3000 and HTTPS used port 443.

Monitoring HTTP and HTTPS at the same time

Refer to the previous article Express local test HTTPS

Forward all GET requests

httpApp.get("*", (req, res, next) => {
  let host = req.headers.host;
  host = host.replace(/\:\d+$/, ''); // Remove port number
  res.redirect(`https://${host}${req.path}`);
});

It is equivalent to splicing the https link yourself and then redirecting. At this time, the browser will receive the 302 (MOVED_TEMPORARILY) status code and redirect to HTTPS.

Forward all requests

httpApp.all("*", (req, res, next) => {
  let host = req.headers.host;
  host = host.replace(/\:\d+$/, ''); // Remove port number
  res.redirect(307, `https://${host}${req.path}`);
});

Note that there are two modifications:

1. httpApp.get is changed to httpApp.all

2. The first parameter 307 (TEMPORARY_REDIRECT) is added when redirecting

If only the first modification is added, when redirecting The Method will not be retained, causing the POST request to become a GET request. Just add the second modification.

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other php Chinese websites. related articles!

Recommended reading:

How to use Angularjs custom instructions in projects

How to operate JQuery elements

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