basic implementation to enable remote iri over https

README.md

@@ -8,7 +8,7 @@ Developers getting to know [iota.lib.js](https://github.com/iotaledger/iota.lib.
 "_COMMAND attachToTangle is not available on this node_" response after calling iota.api.sendTransfer().
 Some others may have experienced the same error message when calling the REST API [attachToTangle](https://iota.readme.io/docs/attachtotangle) command.
 The attachToTangle command is a request to perform the PoW that is necessary when doing a transaction.  
-  
+
 Most public full nodes in the IOTA network do not support the [attachToTangle](https://iota.readme.io/docs/attachtotangle) command.  
 By design it is expected that you do the PoW locally on your device, the network is not required to do this for you.  
 
@@ -30,7 +30,7 @@ and [ccurl](https://github.com/iotaledger/ccurl.git), and override the iota.api.
 
 > This repository contains code and precompiled libraries from [iotaledger/wallet](https://github.com/iotaledger/wallet).  
 > Licence: GNU General Public License v3.0
-  
+
 ---
 
 ## Prerequisites
@@ -64,8 +64,21 @@ and [ccurl](https://github.com/iotaledger/ccurl.git), and override the iota.api.
   var iotaProxy = require('./lib/iotaproxy.js');
   iotaProxy.start(
     {
-      host: 'http://iota.bitfinex.com', 
-      port: 80, 
+      host: 'iota.bitfinex.com',
+      port: 80,
+      protocol: "http:",
+      localPort: 14265,
+      overrideAttachToTangle: true
+    }
+  );
+  ```
+
+  or by using the provider setting:
+  ```
+  var iotaProxy = require('./lib/iotaproxy.js');
+  iotaProxy.start(
+    {
+      provider: "https://field.carriota.com:443",
       localPort: 14265,
       overrideAttachToTangle: true
     }
@@ -97,7 +110,7 @@ and [ccurl](https://github.com/iotaledger/ccurl.git), and override the iota.api.
     'port': 14265
   });
   ```
-
 
-
+
+
 ---

index.js

@@ -11,8 +11,12 @@ var iotaProxy = require('./lib/iotaproxy.js');
 
 iotaProxy.start(
   {
-    host: 'http://iota.bitfinex.com',
-    port: 80,
+    // if provider is absent the host, port and protocol values will be used
+    // with sensible defaults
+    provider: '', // in the format "https://field.carriota.com:443"
+    host: 'iota.bitfinex.com', // the remote iri hostname
+    port: 80, // the port the remote iri is litening on
+    protocol: 'http:',
     localPort: 14265,
     overrideAttachToTangle: true,
     timeout: 15

lib/iotaproxy.js

@@ -12,7 +12,9 @@
  */
 
 const http = require('http');
+const https = require('https');
 const ccurlProvider = require('./ccurlprovider.js');
+const { URL } = require('url');
 
 let iotaProxy =
 {
@@ -27,8 +29,52 @@ let iotaProxy =
   start: function(options)
   {
     let opts = options || {};
-    this.host = (opts.host ? opts.host : 'iota.bitfinex.com').replace('http://', '');
-    this.port = (opts.port ? opts.port : 80);
+
+    // create url from the supplied options
+    // if one can be set from the supplied options use that instead
+    // opts.provider is the most descriptive and portable, try for that first
+    if( opts.provider ){
+      console.log('Using provider: ' + opts.provider);
+      try {
+        let url = new URL(opts.provider);
+        this.host = url.host;
+        this.port = url.port;
+        this.protocol = url.protocol;
+      } catch(e) {
+        console.log('The supplied url \'' + opts.provider + '\' is malformed. Trying other variables and default options');
+      }
+      // if the opts.host is set use it
+    }else if( opts.host.length !== 0){
+      console.log('Using host option: '+ opts.host);
+      this.host = opts.host;
+
+      // if the opts.host is set try and use opts.port
+      if(  opts.port.length !== 0 ){
+        console.log('Using port option: '+ opts.port);
+        this.port = opts.port;
+      }else{
+        this.port = 80;
+        console.log('Using default port: 80');
+      }
+
+      // if the opts.host is set try and use opts.protocol
+      if(  opts.protocol.length !== 0 ){
+        console.log('Using protocol option: '+ opts.protocol);
+        this.protocol = opts.protocol;
+      }else{
+        this.protocol = 'http:';
+        console.log('Using default protocol: http');
+      }
+      // if no variables are set run with the default
+    }else{
+      // supply a default url
+      let url = new URL('http://iota.bitfinex.com');
+      console.log('no variables supplied, using default url ' + url.host);
+      this.host = url.host;
+      this.port = url.port;
+      this.protocol = url.protocol;
+    }
+
     this.localPort = (opts.localPort ? opts.localPort : 14265);
     this.overrideAttachToTangle = (opts.overrideAttachToTangle ? true : false);
     this.timeout = (opts.timeout ? opts.timeout : 15);
@@ -104,6 +150,7 @@ let iotaProxy =
                 {
                   hostname: that.host,
                   port: that.port,
+                  protocol: that.protocol,
                   path: request.url,
                   method: request.method
                 };
@@ -125,7 +172,16 @@ let iotaProxy =
                   });
                 }
 
-                let proxyRequest = http.request(
+                // switch here to turn on https
+                switch (that.protocol) {
+                  case 'https:':
+                    var transport = https;
+                    break;
+                  default:
+                    var transport = http;
+                }
+
+                let proxyRequest = transport.request(
                   proxyRequestOptions,
                   function (proxyResponse)
                   {
@@ -183,7 +239,7 @@ let iotaProxy =
     console.log('IOTA proxy server started');
     console.log('POW timeout is set to ' + this.timeout + ' min');
     console.log('Listening on port ' + this.localPort);
-    console.log('Relaying requests to ' + this.host + ':' + this.port);
+    console.log('Relaying requests to '+ this.protocol + '//' + this.host + ':' + this.port);
 
   },