diff --git a/synapse/util/threepids.py b/synapse/util/threepids.py
index 43c2e0ac23..cfdaa1c5d9 100644
--- a/synapse/util/threepids.py
+++ b/synapse/util/threepids.py
@@ -16,11 +16,14 @@
import logging
import re
+from twisted.internet import defer
+
logger = logging.getLogger(__name__)
+@defer.inlineCallbacks
def check_3pid_allowed(hs, medium, address):
- """Checks whether a given format of 3PID is allowed to be used on this HS
+ """Checks whether a given 3PID is allowed to be used on this HS
Args:
hs (synapse.server.HomeServer): server
@@ -28,9 +31,36 @@ def check_3pid_allowed(hs, medium, address):
address (str): address within that medium (e.g. "wotan@matrix.org")
msisdns need to first have been canonicalised
Returns:
- bool: whether the 3PID medium/address is allowed to be added to this HS
+ defered bool: whether the 3PID medium/address is allowed to be added to this HS
"""
+ if hs.config.check_is_for_allowed_local_3pids:
+ data = yield hs.get_simple_http_client().get_json(
+ "https://%s%s"
+ % (
+ hs.config.check_is_for_allowed_local_3pids,
+ "/_matrix/identity/api/v1/internal-info",
+ ),
+ {"medium": medium, "address": address},
+ )
+
+ # Check for invalid response
+ if "hs" not in data and "shadow_hs" not in data:
+ defer.returnValue(False)
+
+ # Check if this user is intended to register for this homeserver
+ if (
+ data.get("hs") != hs.config.server_name
+ and data.get("shadow_hs") != hs.config.server_name
+ ):
+ defer.returnValue(False)
+
+ if data.get("requires_invite", False) and not data.get("invited", False):
+ # Requires an invite but hasn't been invited
+ defer.returnValue(False)
+
+ defer.returnValue(True)
+
if hs.config.allowed_local_3pids:
for constraint in hs.config.allowed_local_3pids:
logger.debug(
@@ -43,11 +73,11 @@ def check_3pid_allowed(hs, medium, address):
if medium == constraint["medium"] and re.match(
constraint["pattern"], address
):
- return True
+ defer.returnValue(True)
else:
- return True
+ defer.returnValue(True)
- return False
+ defer.returnValue(False)
def canonicalise_email(address: str) -> str:
|
