Protect against XML vulnerabilities

issue11219
issue11244
(grafted from f801a89c84e7df1e3ae00b0f91d500ed7d36a7a9)

--HG--
branch : 6.0

CHANGELOG

@@ -1,3 +1,5 @@
+* Use defusedxml to parse XML (11244)
+
 Version 6.0.4 - 2022-01-15
 * Bug fixes (see mercurial logs for details)
 

proteus/config.py

@@ -11,8 +11,12 @@ import urllib.parse
 import xmlrpc.client
 from decimal import Decimal
 
+import defusedxml.xmlrpc
+
 __all__ = ['set_trytond', 'set_xmlrpc', 'get_config']
 
+defusedxml.xmlrpc.monkey_patch()
+
 
 def dump_decimal(self, value, write):
     value = {'__class__': 'Decimal',

setup.py

@@ -98,6 +98,7 @@ setup(name=name,
     license='LGPL-3',
     python_requires='>=3.6',
     install_requires=[
+        'defusedxml',
         "python-dateutil",
         ],
     extras_require={