Merge pull request #201 from crosbymichael/csrf

Add CSRF Protection

app/app.js

@@ -25,6 +25,10 @@ angular.module('dockerui', [
     'volumes'])
     .config(['$routeProvider', '$httpProvider', function ($routeProvider, $httpProvider) {
         'use strict';
+
+        $httpProvider.defaults.xsrfCookieName = 'csrfToken';
+        $httpProvider.defaults.xsrfHeaderName = 'X-CSRF-Token';
+
         $routeProvider.when('/', {
             templateUrl: 'app/components/dashboard/dashboard.html',
             controller: 'DashboardController'
@@ -79,6 +83,10 @@ angular.module('dockerui', [
                             time: 10000
                         });
                     }
+                    var csrfToken = response.headers('X-Csrf-Token');
+                    if (csrfToken) {
+                        document.cookie = 'csrfToken=' + csrfToken;
+                    }
                     return response;
                 }
             };
@@ -88,4 +96,4 @@ angular.module('dockerui', [
     // You need to set this to the api endpoint without the port i.e. http://192.168.1.9
     .constant('DOCKER_ENDPOINT', 'dockerapi')
     .constant('DOCKER_PORT', '') // Docker port, leave as an empty string if no port is requred.  If you have a port, prefix it with a ':' i.e. :4243
-    .constant('UI_VERSION', 'v0.9.0-beta');
+    .constant('UI_VERSION', 'v0.10.1-beta');

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "dockerui",
-  "version": "0.9.0-beta",
+  "version": "0.10.1-beta",
   "homepage": "https://github.com/crosbymichael/dockerui",
   "authors": [
     "Michael Crosby <crosbymichael@gmail.com>",

dockerui.go

@@ -10,12 +10,18 @@ import (
 	"net/url"
 	"os"
 	"strings"
+	"github.com/gorilla/csrf"
+	"io/ioutil"
+	"fmt"
+	"github.com/gorilla/securecookie"
 )
 
 var (
 	endpoint = flag.String("e", "/var/run/docker.sock", "Dockerd endpoint")
 	addr     = flag.String("p", ":9000", "Address and port to serve dockerui")
 	assets   = flag.String("a", ".", "Path to the assets")
+	authKey  []byte
+	authKeyFile = "authKey.dat"
 )
 
 type UnixHandler struct {
@@ -85,9 +91,35 @@ func createHandler(dir string, e string) http.Handler {
 		h = createUnixHandler(e)
 	}
 
+	// Use existing csrf authKey if present or generate a new one.
+	dat, err := ioutil.ReadFile(authKeyFile)
+	if err != nil {
+		fmt.Println(err)
+		authKey = securecookie.GenerateRandomKey(32)
+		err := ioutil.WriteFile(authKeyFile, authKey, 0644)
+		if err != nil {
+			fmt.Println("unable to persist auth key", err)
+		}
+	} else {
+		authKey = dat
+	}
+
+	CSRF := csrf.Protect(
+		authKey,
+		csrf.HttpOnly(false),
+		csrf.Secure(false),
+	)
+
 	mux.Handle("/dockerapi/", http.StripPrefix("/dockerapi", h))
 	mux.Handle("/", fileHandler)
-	return mux
+	return CSRF(csrfWrapper(mux))
+}
+
+func csrfWrapper(h http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("X-CSRF-Token", csrf.Token(r))
+		h.ServeHTTP(w, r)
+	})
 }
 
 func main() {

package.json

@@ -2,7 +2,7 @@
   "author": "Michael Crosby & Kevan Ahlquist",
   "name": "dockerui",
   "homepage": "https://github.com/crosbymichael/dockerui",
-  "version": "0.9.0-beta",
+  "version": "0.10.1-beta",
   "repository": {
     "type": "git",
     "url": "git@github.com:crosbymichael/dockerui.git"