#3575 add capability authentication

xpra/server/auth/capability_auth.py

@@ -0,0 +1,38 @@
+# This file is part of Xpra.
+# Copyright (C) 2022 Antoine Martin <[email protected]>
+# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
+# later version. See the file COPYING for details.
+
+from xpra.server.auth.sys_auth_base import SysAuthenticator, log
+from xpra.util import typedict, ellipsizer
+
+
+class Authenticator(SysAuthenticator):
+
+    def __init__(self, **kwargs):
+        log("capability.Authenticator(%s)", kwargs)
+        self.uid = -1
+        self.gid = -1
+        self.property = kwargs.pop("property", "display")
+        self.value = kwargs.pop("value", "")
+        #connection = kwargs.get("connection", None)
+        super().__init__(**kwargs)
+
+    def get_uid(self):
+        return self.uid
+
+    def get_gid(self):
+        return self.gid
+
+
+    def requires_challenge(self):
+        return False
+
+    def authenticate(self, caps : typedict) -> bool:    #pylint: disable=arguments-differ
+        value = caps.strget(self.property, None)
+        log("capability.authenticate(..) %r=%r (value required: %r",
+            self.property, value, self.value)
+        return value==self.value
+
+    def __repr__(self):
+        return "capability"