Added websock upgrade option for base proxy host locations

src/backend/migrations/20180929054513_websockets.js

@@ -0,0 +1,37 @@
+'use strict';
+
+const migrate_name = 'websockets';
+const logger       = require('../logger').migrate;
+
+/**
+ * Migrate
+ *
+ * @see http://knexjs.org/#Schema
+ *
+ * @param   {Object}  knex
+ * @param   {Promise} Promise
+ * @returns {Promise}
+ */
+exports.up = function (knex/*, Promise*/) {
+    logger.info('[' + migrate_name + '] Migrating Up...');
+
+    return knex.schema.table('proxy_host', function (proxy_host) {
+        proxy_host.integer('allow_websocket_upgrade').notNull().unsigned().defaultTo(0);
+    })
+        .then(() => {
+            logger.info('[' + migrate_name + '] proxy_host Table altered');
+        });
+
+};
+
+/**
+ * Undo Migrate
+ *
+ * @param   {Object}  knex
+ * @param   {Promise} Promise
+ * @returns {Promise}
+ */
+exports.down = function (knex, Promise) {
+    logger.warn('[' + migrate_name + '] You can\'t migrate down this one.');
+    return Promise.resolve(true);
+};

src/backend/schema/endpoints/proxy-hosts.json

@@ -39,6 +39,11 @@
     "caching_enabled": {
       "$ref": "../definitions.json#/definitions/caching_enabled"
     },
+    "allow_websocket_upgrade": {
+      "description": "Allow Websocket Upgrade for all paths",
+      "example": true,
+      "type": "boolean"
+    },
     "access_list_id": {
       "$ref": "../definitions.json#/definitions/access_list_id"
     },
@@ -80,6 +85,9 @@
     "caching_enabled": {
       "$ref": "#/definitions/caching_enabled"
     },
+    "allow_websocket_upgrade": {
+      "$ref": "#/definitions/allow_websocket_upgrade"
+    },
     "access_list_id": {
       "$ref": "#/definitions/access_list_id"
     },
@@ -148,6 +156,9 @@
           "caching_enabled": {
             "$ref": "#/definitions/caching_enabled"
           },
+          "allow_websocket_upgrade": {
+            "$ref": "#/definitions/allow_websocket_upgrade"
+          },
           "access_list_id": {
             "$ref": "#/definitions/access_list_id"
           },
@@ -200,6 +211,9 @@
           "caching_enabled": {
             "$ref": "#/definitions/caching_enabled"
           },
+          "allow_websocket_upgrade": {
+            "$ref": "#/definitions/allow_websocket_upgrade"
+          },
           "access_list_id": {
             "$ref": "#/definitions/access_list_id"
           },

src/backend/templates/proxy_host.conf

@@ -22,6 +22,12 @@ server {
 
 {% include "_forced_ssl.conf" %}
 
+   {% if allow_websocket_upgrade == 1 or allow_websocket_upgrade == true %}
+   proxy_set_header Upgrade $http_upgrade;
+   proxy_set_header Connection "upgrade";
+   proxy_http_version 1.1;
+   {% endif %}
+
     # Proxy!
     include conf.d/include/proxy.conf;
   }