Fix reverse proxies breaking admin translations

public/src/modules/translator.js

@@ -3,7 +3,7 @@
 (function (factory) {
 	'use strict';
 	function loadClient(language, namespace) {
-		return Promise.resolve(jQuery.getJSON(config.relative_path + '/api/language/' + language + '/' + encodeURIComponent(namespace)));
+		return Promise.resolve(jQuery.getJSON(config.relative_path + '/api/language/' + language + '/' + namespace));
 	}
 	var warn = function () {};
 	if (typeof config === 'object' && config.environment === 'development') {

src/middleware/index.js

@@ -185,7 +185,7 @@ middleware.applyBlacklist = function (req, res, next) {
 
 middleware.getTranslation = function (req, res, next) {
 	var language = req.params.language;
-	var namespace = req.params.namespace;
+	var namespace = req.params[0];
 
 	if (language && namespace) {
 		languages.get(language, namespace, function (err, translations) {

src/routes/index.js

@@ -144,7 +144,7 @@ module.exports = function (app, middleware, hotswapIds) {
 	}
 
 	app.use(middleware.privateUploads);
-	app.use(relativePath + '/api/language/:language/:namespace', middleware.getTranslation);
+	app.use(relativePath + '/api/language/:language/(([a-zA-Z0-9\\-_.\\/]+))', middleware.getTranslation);
 	app.use(relativePath, express.static(path.join(__dirname, '../../', 'public'), {
 		maxAge: app.enabled('cache') ? 5184000000 : 0
 	}));