added support for ssl chain certificate file

Author: Luca Aquino

README.md

@@ -77,19 +77,20 @@ $ laravel-echo-server start
 Edit the default configuration of the server by adding options to your **laravel-echo-server.json** file.
 
 
-| Title            | Default              | Description                 |
-| :--------------- | :------------------- | :---------------------------|
-| `authEndpoint`   | `/broadcasting/auth` | The route that authenticates private channels  |
-| `authHost`       | `http://localhost`   | The host of the server that authenticates private and presence channels  |
-| `database`       | `redis`              | Database used to store data that should persist, like presence channel members. Options are currently `redis` and `sqlite` |
-| `databaseConfig` |  `{}`                | Configurations for the different database drivers [Example](#database)|
-| `host`           | `null`               | The host of the socket.io server ex.`app.dev`. `null` will accept connections on any IP-address |
-| `port`           | `6001`               | The port that the socket.io server should run on |
-| `protocol`       | `http`               | either `http` or `https` |
-| `sslCertPath`    | `''`                 | The path to your server's ssl certificate |
-| `sslKeyPath`     | `''`                 | The path to your server's ssl key |
-| `sslPassphrase`  | `''`                 | The pass phrase to use for the certificate (if applicable) |
-| `socketio`       | `{}`                 | Options to pass to the socket.io instance ([available options](https://github.com/socketio/engine.io#methods-1)) |
+| Title              | Default              | Description                 |
+| :------------------| :------------------- | :---------------------------|
+| `authEndpoint`     | `/broadcasting/auth` | The route that authenticates private channels  |
+| `authHost`         | `http://localhost`   | The host of the server that authenticates private and presence channels  |
+| `database`         | `redis`              | Database used to store data that should persist, like presence channel members. Options are currently `redis` and `sqlite` |
+| `databaseConfig`   |  `{}`                | Configurations for the different database drivers [Example](#database)|
+| `host`             | `null`               | The host of the socket.io server ex.`app.dev`. `null` will accept connections on any IP-address |
+| `port`             | `6001`               | The port that the socket.io server should run on |
+| `protocol`         | `http`               | either `http` or `https` |
+| `sslCertPath`      | `''`                 | The path to your server's ssl certificate |
+| `sslKeyPath`       | `''`                 | The path to your server's ssl key |
+| `sslChainCertPath` | `''`                 | The path to your server's ssl chain certificate |
+| `sslPassphrase`    | `''`                 | The pass phrase to use for the certificate (if applicable) |
+| `socketio`         | `{}`                 | Options to pass to the socket.io instance ([available options](https://github.com/socketio/engine.io#methods-1)) |
 
 ### Running with SSL
 
@@ -246,7 +247,7 @@ add a script tag to your html like so:
 
 ```
 
-_Note: When using the socket.io client library from your running server, remember to check that the `io` global variable is defined before subscribing to events._ 
+_Note: When using the socket.io client library from your running server, remember to check that the `io` global variable is defined before subscribing to events._
 
 #### Better performance with [µWebSockets](https://github.com/uWebSockets/uWebSockets)
 For extra performance, you can use the faster `uws` engine instead of `ws`, by setting the `wsEngine` option for Socket.IO in `laravel-echo-server.json`:

src/cli/cli.ts

@@ -90,6 +90,12 @@ export class Cli {
                 when: function(options) {
                     return options.protocol == 'https';
                 }
+            }, {
+                name: 'sslChainCertPath',
+                message: 'Enter the path to your SSL chain certificate file.',
+                when: function(options) {
+                    return options.protocol == 'https';
+                }
             }, {
                 name: 'sslKeyPath',
                 message: 'Enter the path to your SSL key file.',

src/echo-server.ts

@@ -33,6 +33,7 @@ export class EchoServer {
         socketio: {},
         sslCertPath: '',
         sslKeyPath: '',
+        sslChainCertPath: '',
         sslPassphrase: ''
     };
 

src/server.ts

@@ -73,6 +73,7 @@ export class Server {
             Object.assign(this.options, {
                 cert: fs.readFileSync(this.options.sslCertPath),
                 key: fs.readFileSync(this.options.sslKeyPath),
+                ca: (this.options.sslChainCertPath) ? fs.readFileSync(this.options.sslChainCertPath) : '',
                 passphrase: this.options.sslPassphrase,
             });