coolaj86
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redirect-https.js
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v1.3.0: redirect root '/' with 301 by default (for curl | bash installers)

This commit is contained in:
AJ ONeal 2018-10-02 18:25:04 -06:00
parent a403ccde39
commit fd044d6467
3 changed files with 44 additions and 5 deletions
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30
README.md
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@ -1,9 +1,12 @@
# redirect-https
Redirect from HTTP to HTTPS.
Secure-by-default redirects from HTTP to HTTPS.
Makes for a seemless experience to end users in browsers (defaults to `301 Permanent + Location` redirect)
and tightens security for apis and bots, without adversely affecting strange browsers (fallback to `meta` redirect).
* Browsers get a 301 + Location redirect
* Only developers, bots, and APIs see security warning (advising to use HTTPS)
* Always uses meta redirect as a fallback, for everyone
* '/' always gets a 301 (for `curl | bash` installers)
* minimally configurable, don't get fancy
See <https://coolaj86.com/articles/secure-your-redirects/>
@ -28,7 +31,7 @@ module.exports = app;
## Options
```
```js
{ port: 443 // defaults to 443
, body: '' // defaults to an html comment to use https
, trustProxy: true // useful if you haven't set this option in express
@ -42,6 +45,25 @@ module.exports = app;
* If you use `{{URL}}` in the body text it will be replaced with a URI encoded and HTML escaped url (it'll look just like it is)
* If you use `{{HTML_URL}}` in the body text it will be replaced with a URI decoded and HTML escaped url (it'll look just like it would in Chrome's URL bar)
## Advanced Options
For the sake of `curl | bash` installers and the like there is also the option to cause bots and apis (i.e. curl)
to get a certain redirect for an exact path match:
```js
{ paths: [
{ match: '/'
, redirect: 301
}
, { match: /^\/$/
, redirect: 301
}
]
}
```
If you're using this, you're probably getting too fancy (but hey, I get too fancy sometimes too).
## Demo
```javascript

17
index.js
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@ -15,6 +15,9 @@ module.exports = function (opts) {
if (!opts.apis) {
opts.apis = 'meta';
}
if (!Array.isArray(opts.paths)) {
opts.paths = [ { match: '/' } ];
}
if (!('body' in opts)) {
opts.body = "<!-- Hello Developer Person! We don't serve insecure resources around here."
+ "\n Please use HTTPS instead. -->";
@ -68,7 +71,21 @@ module.exports = function (opts) {
+ '<body>\n' + body + '\n</body>\n'
+ '</html>\n'
;
var pathMatch;
opts.paths.some(function (p) {
if (!p.match) {
// ignore
} else if ('string' === typeof p.match) {
pathMatch = (url === p.match) && (p.redirect || 301);
} else {
pathMatch = p.match.test && p.match.test(url) && (p.redirect || 301);
}
if (pathMatch) {
redirect = pathMatch;
}
return pathMatch;
});
// If it's not a non-0 number (because null is 0) then 'meta' is assumed.
if (redirect && isFinite(redirect)) {
res.statusCode = redirect;

2
package.json
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@ -1,6 +1,6 @@
{
"name": "redirect-https",
"version": "1.2.0",
"version": "1.3.0",
"description": "Redirect from HTTP to HTTPS using meta redirects",
"main": "index.js",
"scripts": {