+ redirectFrom config parm

bin/lib/options.js

@@ -301,6 +301,22 @@ module.exports = [
     when: (answers) => {
       return answers.useApiApps
     }
+  },
+  { // copied from name: 'owner'
+    name: 'redirect-http-from',
+    help: 'HTTP port or \',\'-separated ports to redirect to the solid server port (e.g. "80,8080").',
+    prompt: false,
+    validate: function (value) {
+      if (!value.match(/^[0-9]+(,[0-9]+)*$/)) {
+        return 'direct-port(s) must be a comma-separated list of integers.'
+      }
+      let list = value.split(/,/).map(v => parseInt(v))
+      let bad = list.find(v => { return v < 1 || v > 65535 })
+      if (bad.length) {
+        return 'redirect-http-from port(s) ' + bad + ' out of range'
+      }
+      return true
+    }
   }
 ]
 

lib/create-server.js

@@ -80,6 +80,24 @@ function createServer (argv, app) {
     server = https.createServer(credentials, app)
   }
 
+  // Look for port or list of ports to redirect to argv.port
+  if ('redirectHTTPFrom' in argv) {
+    const redirectHTTPFroms = argv.redirectHTTPFrom.constructor === Array
+          ? argv.redirectHTTPFrom
+          : [argv.redirectHTTPFrom]
+    const portStr = argv.port === 443 ? '' : ':' + argv.port
+    redirectHTTPFroms.forEach(redirectHTTPFrom => {
+      debug.settings('will redirect from port ' + redirectHTTPFrom + ' to port ' + argv.port)
+      let redirectingServer = express()
+      redirectingServer.get('*', function (req, res) {
+        let host = req.headers.host.split(':') // ignore port
+        debug.server(host, '=> https://' + host + portStr + req.url)
+        res.redirect('https://' + host + portStr + req.url)
+      })
+      redirectingServer.listen(redirectHTTPFrom)
+    })
+  }
+
   // Setup Express app
   if (ldp.live) {
     var solidWs = SolidWs(server, ldpApp)