From b7e1cd362eea94ad3d4f5006e8292b6cead13036 Mon Sep 17 00:00:00 2001
From: Vjacheslav Trushkin <cyberalien@gmail.com>
Date: Thu, 9 Nov 2017 13:09:49 +0200
Subject: [PATCH] Use region.txt to id server just like php version

---
 .gitignore   |  1 +
 app.js       | 17 +++++++++++++++--
 package.json |  6 +++---
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index 8c31f95..a67c5d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,6 @@
 .elasticbeanstalk
 node_modules
 package-lock.json
+region.txt
 *.log
 .ssl/ssl.*
\ No newline at end of file
diff --git a/app.js b/app.js
index ccd1c0f..f0bdb96 100644
--- a/app.js
+++ b/app.js
@@ -38,6 +38,19 @@ const cache = 604800; // cache time in seconds
 const cacheMin = cache; // minimum cache refresh time in seconds
 const cachePrivate = false; // True if cache is private
 
+// Region file to easy identify server in CDN
+let region = '';
+if (!region.length && process.env.region) {
+    region = process.env.region;
+}
+try {
+    region = fs.readFileSync('region.txt', 'utf8').trim();
+} catch (err) {
+}
+if (region.length > 10 || !region.match(/^[a-z0-9_-]+$/i)) {
+    region = '';
+}
+
 // Load default collections
 if (serveDefaultIcons) {
     const icons = require('simple-svg-icons');
@@ -135,8 +148,8 @@ app.get(/\/([a-z0-9\-]+)\/([a-z0-9\-,]+\.(js|json|svg))?$/, (req, res) => {
 // Debug information and AWS health check
 app.get('/version', (req, res) => {
     let body = 'SimpleSVG CDN version ' + version + ' (Node';
-    if (process.env.region) {
-        body += ', ' + process.env.region;
+    if (region.length) {
+        body += ', ' + region;
     }
     body += ')';
     res.send(body);
diff --git a/package.json b/package.json
index 40abd21..fad85bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simple-svg-website-icons",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "description": "Node.js version of icons.simplesvg.com",
   "main": "app.js",
   "scripts": {
@@ -9,8 +9,8 @@
   "author": "Vjacheslav Trushkin",
   "license": "MIT",
   "dependencies": {
-    "express": "^4.15.2",
-    "simple-svg-cdn": "*",
+    "express": "^4.16.2",
+    "simple-svg-cdn": "^0.2.2",
     "simple-svg-icons": "git+https://github.com/simplesvg/icons.git"
   }
 }