Added API end point to receive the server config document.

doc/REST-API.txt

@@ -13,6 +13,32 @@ API or there was a problem while JSON encoding.
 
 Available end points with request methods and content-type:
 
+  /api/v1/config
+
+    The config end points returns the server configuration. As it is available
+    to the Web client.
+
+    GET application/x-www-form-urlencoded
+      No parameters.
+      Response 200:
+        {
+          "Title": "Spreed WebRTC",
+          "S": "static/ver=1399302670",
+          "B": "/",
+          "Token": "i-did-not-change-the-public-token-boo",
+          "StunURIs": [],
+          "TurnURIs": [
+            "turn:myturnserver:443?transport=udp",
+            "turn:myturnserver:443?transport=tcp"
+          ],
+          "Tokens": false,
+          "Version": "0.17.5",
+          "UsersEnabled": true,
+          "UsersAllowRegistration": true,
+          "UsersMode": "certificate",
+          "Plugin": ""
+        }
+
 
   /api/v1/tokens
 
@@ -53,7 +79,8 @@ Available end points with request methods and content-type:
 
     /api/v1/sessions/{id}/
 
-      A session id is passed in as subpath. Make sure to add the trailing slash (/).
+      A session id is passed in as subpath. Make sure to add the trailing
+      slash (/).
 
       PATCH application/json
         {

src/app/spreed-speakfreely-server/config.go

@@ -23,6 +23,7 @@ package main
 
 import (
 	"fmt"
+	"net/http"
 )
 
 type Config struct {
@@ -63,3 +64,7 @@ func NewConfig(title, ver, runtimeVersion, basePath, serverToken string, stunURI
 		defaultRoomEnabled:     defaultRoomEnabled,
 	}
 }
+
+func (config *Config) Get(request *http.Request) (int, interface{}, http.Header) {
+	return 200, config, http.Header{"Content-Type": {"application/json; charset=utf-8"}}
+}

src/app/spreed-speakfreely-server/main.go

@@ -376,6 +376,7 @@ func runner(runtime phoenix.Runtime) error {
 	api := sleepy.NewAPI()
 	api.SetMux(r.PathPrefix("/api/v1/").Subrouter())
 	api.AddResource(&Rooms{}, "/rooms")
+	api.AddResource(config, "/config")
 	api.AddResourceWithWrapper(&Tokens{tokenProvider}, httputils.MakeGzipHandler, "/tokens")
 	if usersEnabled {
 		// Create Users handler.