From 83fa6319818dfcecb2a19490ff01bc2d6ac2b985 Mon Sep 17 00:00:00 2001
From: Dan Peleg <dan@globekeeper.com>
Date: Tue, 3 Apr 2018 19:00:22 +0300
Subject: [PATCH] #119 - Fixes support for proxy (X-Forwarded-Host header).

---
 src/serve_style.js | 2 +-
 src/server.js      | 6 +++---
 src/utils.js       | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/serve_style.js b/src/serve_style.js
index cd9dfe9..e9a7738 100644
--- a/src/serve_style.js
+++ b/src/serve_style.js
@@ -79,7 +79,7 @@ module.exports = function(options, repo, params, id, reportTiles, reportFont) {
         query = '?' + queryParams.join('&');
       }
       return url.replace(
-          'local://', req.protocol + '://' + req.headers.host + '/') + query;
+          'local://', req.protocol + '://' + req.hostname + '/') + query;
     };
 
     var styleJSON_ = clone(styleJSON);
diff --git a/src/server.js b/src/server.js
index db67be4..254c8f8 100644
--- a/src/server.js
+++ b/src/server.js
@@ -198,7 +198,7 @@ function start(opts) {
         version: styleJSON.version,
         name: styleJSON.name,
         id: id,
-        url: req.protocol + '://' + req.headers.host +
+        url: req.protocol + '://' + req.hostname +
              '/styles/' + id + '/style.json' + query
       });
     });
@@ -298,7 +298,7 @@ function start(opts) {
 
         var query = req.query.key ? ('?key=' + req.query.key) : '';
         style.wmts_link = 'http://wmts.maptiler.com/' +
-          base64url('http://' + req.headers.host +
+          base64url('http://' + req.hostname +
             '/styles/' + id + '.json' + query) + '/wmts';
 
         var tiles = utils.getTileUrls(
@@ -327,7 +327,7 @@ function start(opts) {
 
         var query = req.query.key ? ('?key=' + req.query.key) : '';
         data_.wmts_link = 'http://wmts.maptiler.com/' +
-          base64url('http://' + req.headers.host +
+          base64url('http://' + req.hostname +
             '/data/' + id + '.json' + query) + '/wmts';
 
         var tiles = utils.getTileUrls(
diff --git a/src/utils.js b/src/utils.js
index 2dacc6d..fe3185c 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -12,7 +12,7 @@ module.exports.getTileUrls = function(req, domains, path, format, aliases) {
     if (domains.constructor === String && domains.length > 0) {
       domains = domains.split(',');
     }
-    var host = req.headers.host;
+    var host = req.hostname;
     var hostParts = host.split('.');
     var relativeSubdomainsUsable = hostParts.length > 1 &&
         !/^([0-9]{1,3}\.){3}[0-9]{1,3}(\:[0-9]+)?$/.test(host);
@@ -31,7 +31,7 @@ module.exports.getTileUrls = function(req, domains, path, format, aliases) {
     domains = newDomains;
   }
   if (!domains || domains.length == 0) {
-    domains = [req.headers.host];
+    domains = [req.hostname];
   }
 
   var key = req.query.key;