From a5e2941aad9acdd5033709807bb6ddd40e4435eb Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Tue, 22 May 2018 08:56:52 +0100
Subject: Reject attempts to send event before privacy consent is given

Returns an M_CONSENT_NOT_GIVEN error (cf
https://github.com/matrix-org/matrix-doc/issues/1252) if consent is not yet
given.
---
 synapse/api/errors.py | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to 'synapse/api/errors.py')

diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index a9ff5576f3..aca804280c 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -19,6 +19,7 @@ import logging
 
 import simplejson as json
 from six import iteritems
+from six.moves import http_client
 
 logger = logging.getLogger(__name__)
 
@@ -51,6 +52,7 @@ class Codes(object):
     THREEPID_DENIED = "M_THREEPID_DENIED"
     INVALID_USERNAME = "M_INVALID_USERNAME"
     SERVER_NOT_TRUSTED = "M_SERVER_NOT_TRUSTED"
+    CONSENT_NOT_GIVEN = "M_CONSENT_NOT_GIVEN"
 
 
 class CodeMessageException(RuntimeError):
@@ -138,6 +140,32 @@ class SynapseError(CodeMessageException):
         return res
 
 
+class ConsentNotGivenError(SynapseError):
+    """The error returned to the client when the user has not consented to the
+    privacy policy.
+    """
+    def __init__(self, msg, consent_uri):
+        """Constructs a ConsentNotGivenError
+
+        Args:
+            msg (str): The human-readable error message
+            consent_url (str): The URL where the user can give their consent
+        """
+        super(ConsentNotGivenError, self).__init__(
+            code=http_client.FORBIDDEN,
+            msg=msg,
+            errcode=Codes.CONSENT_NOT_GIVEN
+        )
+        self._consent_uri = consent_uri
+
+    def error_dict(self):
+        return cs_error(
+            self.msg,
+            self.errcode,
+            consent_uri=self._consent_uri
+        )
+
+
 class RegistrationError(SynapseError):
     """An error raised when a registration event fails."""
     pass
@@ -292,7 +320,7 @@ def cs_error(msg, code=Codes.UNKNOWN, **kwargs):
 
     Args:
         msg (str): The error message.
-        code (int): The error code.
+        code (str): The error code.
         kwargs : Additional keys to add to the response.
     Returns:
         A dict representing the error response JSON.
-- 
cgit 1.5.1


From 08bfc48abf8c138b540ede6c816338c044130dec Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Tue, 22 May 2018 17:27:03 +0100
Subject: custom error code for not leaving server notices room

---
 synapse/api/errors.py           | 1 +
 synapse/handlers/room_member.py | 1 +
 2 files changed, 2 insertions(+)

(limited to 'synapse/api/errors.py')

diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index aca804280c..e6ad3768f0 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -53,6 +53,7 @@ class Codes(object):
     INVALID_USERNAME = "M_INVALID_USERNAME"
     SERVER_NOT_TRUSTED = "M_SERVER_NOT_TRUSTED"
     CONSENT_NOT_GIVEN = "M_CONSENT_NOT_GIVEN"
+    CANNOT_LEAVE_SERVER_NOTICE_ROOM = "M_CANNOT_LEAVE_SERVER_NOTICE_ROOM"
 
 
 class CodeMessageException(RuntimeError):
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 5263f09aaa..82adfc8fdf 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -306,6 +306,7 @@ class RoomMemberHandler(object):
                 raise SynapseError(
                     http_client.FORBIDDEN,
                     "You cannot leave this room",
+                    errcode=Codes.CANNOT_LEAVE_SERVER_NOTICE_ROOM,
                 )
 
         if effective_membership_state == Membership.INVITE:
-- 
cgit 1.5.1