From 4287ca91bfbfea89953c742ac3f1a9e97c84df25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 31 Oct 2018 08:30:47 +0100
Subject: [PATCH] Wait to be sure about the scheme before construct the bus URL

issue7792
review54401002
---
 CHANGELOG         | 1 +
 tryton/bus.py     | 7 ++++++-
 tryton/jsonrpc.py | 4 +++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 54859b6634..4bc98efed7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Ensure URL scheme of bus (issue7792)
 * Add drag & drop support on binary widget
 
 Version 5.0.0 - 2018-10-01
diff --git a/tryton/bus.py b/tryton/bus.py
index abda4fcdbd..b804ac816f 100644
--- a/tryton/bus.py
+++ b/tryton/bus.py
@@ -34,7 +34,6 @@ def listen(connection):
 def _listen(connection):
     bus_timeout = CONFIG['client.bus_timeout']
     session = connection.session
-    url = connection.url + '/bus'
     authorization = base64.b64encode(session.encode('utf-8'))
     headers = {
         'Content-Type': 'application/json',
@@ -43,7 +42,13 @@ def _listen(connection):
 
     wait = 1
     last_message = None
+    url = None
     while connection.session == session:
+        if url is None:
+            if connection.url is None:
+                time.sleep(1)
+                continue
+            url = connection.url + '/bus'
         request = Request(url,
             data=json.dumps({
                     'last_message': last_message,
diff --git a/tryton/jsonrpc.py b/tryton/jsonrpc.py
index 4de51eec93..90b3bbc865 100644
--- a/tryton/jsonrpc.py
+++ b/tryton/jsonrpc.py
@@ -340,10 +340,12 @@ class ServerPool(object):
     def ssl(self):
         for conn in self._pool + list(self._used.values()):
             return conn.ssl
-        return False
+        return None
 
     @property
     def url(self):
+        if self.ssl is None:
+            return None
         scheme = 'https' if self.ssl else 'http'
         return urljoin(
             scheme + '://' + self._host + ':' + str(self._port),