Add FERRET_LISTEN_PATHPREFIX

Author: devfacet

README.md

@@ -147,6 +147,8 @@ export FERRET_SEARCH_TIMEOUT=5000ms
 # HTTP address for the UI and the REST API
 # Default is :3030
 export FERRET_LISTEN_ADDRESS=:3030
+# A URL path prefix for the UI
+FERRET_LISTEN_PATHPREFIX=
 # A comma separated list of providers
 # Default value is automatically determined from the ENV variables
 export FERRET_LISTEN_PROVIDERS=

api/api.go

@@ -27,8 +27,9 @@ var (
 
 // Options represents options
 type Options struct {
-	listenAddr    string
-	providersList string
+	listenAddr       string
+	listenPathPrefix string
+	providersList    string
 }
 
 // httpError represents an HTTP error
@@ -53,6 +54,9 @@ func init() {
 	if e := os.Getenv("FERRET_LISTEN_ADDRESS"); e != "" {
 		options.listenAddr = e
 	}
+	if e := os.Getenv("FERRET_LISTEN_PATHPREFIX"); e != "" {
+		options.listenPathPrefix = e
+	}
 	if e := os.Getenv("FERRET_LISTEN_PROVIDERS"); e != "" {
 		options.providersList = e
 	}
@@ -77,9 +81,10 @@ func init() {
 // Listen initializes HTTP handlers and listens for the requests
 func Listen() {
 	// Init handlers
-	http.Handle("/", assets.PublicHandler())
-	http.HandleFunc("/search", SearchHandler)
-	http.HandleFunc("/providers", ProvidersHandler)
+	lpp := strings.TrimRight(options.listenPathPrefix, "/")
+	http.Handle("/", http.StripPrefix(options.listenPathPrefix, assets.PublicHandler()))
+	http.HandleFunc(fmt.Sprintf("%s/search", lpp), SearchHandler)
+	http.HandleFunc(fmt.Sprintf("%s/providers", lpp), ProvidersHandler)
 
 	// Listen
 	log.Printf("listening on %s", options.listenAddr)

assets/public/js/app.js

@@ -18,6 +18,7 @@ var app = function app() {
   // Init vars
   var serverUrl = location.protocol + '//' + location.hostname + ':' + location.port;
   serverUrl = (location.protocol == 'file:') ? 'http://localhost:3030' : serverUrl; // for debug
+  var appPath = location.pathname || '/';
 
   // init initializes the app
   function init() {
@@ -99,7 +100,7 @@ var app = function app() {
   // getProviders gets the provider list
   function getProviders() {
     return $.ajax({
-      url:      serverUrl+'/providers',
+      url:      serverUrl+appPath+'providers',
       dataType: 'jsonp',
       method:   'GET',
     }).promise();
@@ -108,7 +109,7 @@ var app = function app() {
   // search makes a search by the given provider and keyword
   function search(provider, keyword) {
     return $.ajax({
-      url:      serverUrl+'/search',
+      url:      serverUrl+appPath+'search',
       dataType: 'jsonp',
       method:   'GET',
       data: {