From: 依云 <lilydjwg@gmail.com>
Date: Tue, 25 Nov 2014 13:36:28 +0000 (+0800)
Subject: fix matching a IPv6 address as host
X-Git-Tag: v4.1.0b1~49^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36b35653b175d1866a7ba5dacf7b69177d49872a;p=thirdparty%2Ftornado.git

fix matching a IPv6 address as host

When the host is something like '[::1]' or '[::1]:8080',
_get_host_handlers gets wrong hosts string.
---

diff --git a/tornado/web.py b/tornado/web.py
index a038265fd..78ab1faf6 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -1729,7 +1729,9 @@ class Application(httputil.HTTPServerConnectionDelegate):
         self.transforms.append(transform_class)
 
     def _get_host_handlers(self, request):
-        host = request.host.lower().split(':')[0]
+        host = request.host.lower()
+        if not host.endswith(']'): # excluding IPv6 addresses without port
+            host = host.rsplit(':', 1)[0]
         matches = []
         for pattern, handlers in self.handlers:
             if pattern.match(host):