diff --git a/changelog.d/3661.bugfix b/changelog.d/3661.bugfix
new file mode 100644
index 0000000000..f2b4703d80
--- /dev/null
+++ b/changelog.d/3661.bugfix
@@ -0,0 +1 @@
+Fix bug on deleting 3pid when using identity servers that don't support unbind API
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index 7ea8ce9f94..6059c3d3a8 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -828,12 +828,26 @@ class AuthHandler(BaseHandler):
@defer.inlineCallbacks
def delete_threepid(self, user_id, medium, address):
+ """Attempts to unbind the 3pid on the identity servers and deletes it
+ from the local database.
+
+ Args:
+ user_id (str)
+ medium (str)
+ address (str)
+
+ Returns:
+ Deferred[bool]: Returns True if successfully unbound the 3pid on
+ the identity server, False if identity server doesn't support the
+ unbind API.
+ """
+
# 'Canonicalise' email addresses as per above
if medium == 'email':
address = address.lower()
identity_handler = self.hs.get_handlers().identity_handler
- yield identity_handler.unbind_threepid(
+ result = yield identity_handler.try_unbind_threepid(
user_id,
{
'medium': medium,
@@ -841,10 +855,10 @@ class AuthHandler(BaseHandler):
},
)
- ret = yield self.store.user_delete_threepid(
+ yield self.store.user_delete_threepid(
user_id, medium, address,
)
- defer.returnValue(ret)
+ defer.returnValue(result)
def _save_session(self, session):
# TODO: Persistent storage
diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py
index b3c5a9ee64..b078df4a76 100644
--- a/synapse/handlers/deactivate_account.py
+++ b/synapse/handlers/deactivate_account.py
@@ -51,7 +51,8 @@ class DeactivateAccountHandler(BaseHandler):
erase_data (bool): whether to GDPR-erase the user's data
Returns:
- Deferred
+ Deferred[bool]: True if identity server supports removing
+ threepids, otherwise False.
"""
# FIXME: Theoretically there is a race here wherein user resets
# password using threepid.
@@ -60,16 +61,22 @@ class DeactivateAccountHandler(BaseHandler):
# leave the user still active so they can try again.
# Ideally we would prevent password resets and then do this in the
# background thread.
+
+ # This will be set to false if the identity server doesn't support
+ # unbinding
+ identity_server_supports_unbinding = True
+
threepids = yield self.store.user_get_threepids(user_id)
for threepid in threepids:
try:
- yield self._identity_handler.unbind_threepid(
+ result = yield self._identity_handler.try_unbind_threepid(
user_id,
{
'medium': threepid['medium'],
'address': threepid['address'],
},
)
+ identity_server_supports_unbinding &= result
except Exception:
# Do we want this to be a fatal error or should we carry on?
logger.exception("Failed to remove threepid from ID server")
@@ -103,6 +110,8 @@ class DeactivateAccountHandler(BaseHandler):
# parts users from rooms (if it isn't already running)
self._start_user_parting()
+ defer.returnValue(identity_server_supports_unbinding)
+
def _start_user_parting(self):
"""
Start the process that goes through the table of users
diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py
index 1d36d967c3..5feb3f22a6 100644
--- a/synapse/handlers/identity.py
+++ b/synapse/handlers/identity.py
@@ -137,15 +137,19 @@ class IdentityHandler(BaseHandler):
defer.returnValue(data)
@defer.inlineCallbacks
- def unbind_threepid(self, mxid, threepid):
- """
- Removes a binding from an identity server
+ def try_unbind_threepid(self, mxid, threepid):
+ """Removes a binding from an identity server
+
Args:
mxid (str): Matrix user ID of binding to be removed
threepid (dict): Dict with medium & address of binding to be removed
+ Raises:
+ SynapseError: If we failed to contact the identity server
+
Returns:
- Deferred[bool]: True on success, otherwise False
+ Deferred[bool]: True on success, otherwise False if the identity
+ server doesn't support unbinding
"""
logger.debug("unbinding threepid %r from %s", threepid, mxid)
if not self.trusted_id_servers:
@@ -175,11 +179,21 @@ class IdentityHandler(BaseHandler):
content=content,
destination_is=id_server,
)
- yield self.http_client.post_json_get_json(
- url,
- content,
- headers,
- )
+ try:
+ yield self.http_client.post_json_get_json(
+ url,
+ content,
+ headers,
+ )
+ except HttpResponseException as e:
+ if e.code in (400, 404, 501,):
+ # The remote server probably doesn't support unbinding (yet)
+ logger.warn("Received %d response while unbinding threepid", e.code)
+ defer.returnValue(False)
+ else:
+ logger.error("Failed to unbind threepid on identity server: %s", e)
+ raise SynapseError(502, "Failed to contact identity server")
+
defer.returnValue(True)
@defer.inlineCallbacks
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
index 80d625eecc..ad536ab570 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -391,10 +391,17 @@ class DeactivateAccountRestServlet(ClientV1RestServlet):
if not is_admin:
raise AuthError(403, "You are not a server admin")
- yield self._deactivate_account_handler.deactivate_account(
+ result = yield self._deactivate_account_handler.deactivate_account(
target_user_id, erase,
)
- defer.returnValue((200, {}))
+ if result:
+ id_server_unbind_result = "success"
+ else:
+ id_server_unbind_result = "no-support"
+
+ defer.returnValue((200, {
+ "id_server_unbind_result": id_server_unbind_result,
+ }))
class ShutdownRoomRestServlet(ClientV1RestServlet):
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index eeae466d82..372648cafd 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -209,10 +209,17 @@ class DeactivateAccountRestServlet(RestServlet):
yield self.auth_handler.validate_user_via_ui_auth(
requester, body, self.hs.get_ip_from_request(request),
)
- yield self._deactivate_account_handler.deactivate_account(
+ result = yield self._deactivate_account_handler.deactivate_account(
requester.user.to_string(), erase,
)
- defer.returnValue((200, {}))
+ if result:
+ id_server_unbind_result = "success"
+ else:
+ id_server_unbind_result = "no-support"
+
+ defer.returnValue((200, {
+ "id_server_unbind_result": id_server_unbind_result,
+ }))
class EmailThreepidRequestTokenRestServlet(RestServlet):
@@ -364,7 +371,7 @@ class ThreepidDeleteRestServlet(RestServlet):
user_id = requester.user.to_string()
try:
- yield self.auth_handler.delete_threepid(
+ ret = yield self.auth_handler.delete_threepid(
user_id, body['medium'], body['address']
)
except Exception:
@@ -374,7 +381,14 @@ class ThreepidDeleteRestServlet(RestServlet):
logger.exception("Failed to remove threepid")
raise SynapseError(500, "Failed to remove threepid")
- defer.returnValue((200, {}))
+ if ret:
+ id_server_unbind_result = "success"
+ else:
+ id_server_unbind_result = "no-support"
+
+ defer.returnValue((200, {
+ "id_server_unbind_result": id_server_unbind_result,
+ }))
class WhoamiRestServlet(RestServlet):
|