[IMP] hw_drivers: Remove http.py.iotpatch

We used to patch http.py using a diff. This was really not practical
because every time the file was modified, the diff had to be recreated.
We now override the specific methods directly.

closes odoo/odoo#59855

Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

2 files changed, 35 insertions, 0 deletions

diff --git a/addons/hw_drivers/__init__.py b/addons/hw_drivers/__init__.py
index b36b894717b..da5e919c051 100644
--- a/addons/hw_drivers/__init__.py
+++ b/addons/hw_drivers/__init__.py
@@ -6,5 +6,6 @@ from . import controllers
 from . import driver
 from . import event_manager
 from . import exception_logger
+from . import http
 from . import interface
 from . import main
diff --git a/addons/hw_drivers/http.py b/addons/hw_drivers/http.py
new file mode 100644
index 00000000000..b0ea9bee700
--- /dev/null
+++ b/addons/hw_drivers/http.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import http
+
+
+class IoTBoxHttpRequest(http.HttpRequest):
+    def dispatch(self):
+        if self._is_cors_preflight(http.request.endpoint):
+            # Using the PoS in debug mode in v12, the call to '/hw_proxy/handshake' contains the
+            # 'X-Debug-Mode' header, which was removed from 'Access-Control-Allow-Headers' in v13.
+            # When the code of http.py is not checked out to v12 (i.e. in Community), the connection
+            # fails as the header is rejected and none of the devices can be used.
+            headers = {
+                'Access-Control-Max-Age': 60 * 60 * 24,
+                'Access-Control-Allow-Headers': 'Origin, X-Requested-With, Content-Type, Accept, Authorization, X-Debug-Mode'
+            }
+            return http.Response(status=200, headers=headers)
+        return super(IoTBoxHttpRequest, self).dispatch()
+
+
+class IoTBoxRoot(http.Root):
+    def setup_db(self, httprequest):
+        # No database on the IoT Box
+        pass
+
+    def get_request(self, httprequest):
+        # Override HttpRequestwith IoTBoxHttpRequest
+        if httprequest.mimetype not in ("application/json", "application/json-rpc"):
+            return IoTBoxHttpRequest(httprequest)
+        return super(IoTBoxRoot, self).get_request(httprequest)
+
+http.Root = IoTBoxRoot
+http.root = IoTBoxRoot()