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-rw-r--r--synapse/api/auth.py22
1 files changed, 19 insertions, 3 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 073229b4c4..9c62ec4374 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -213,7 +213,7 @@ class Auth(object):
                 default=[b""]
             )[0]
             if user and access_token and ip_addr:
-                self.store.insert_client_ip(
+                yield self.store.insert_client_ip(
                     user_id=user.to_string(),
                     access_token=access_token,
                     ip=ip_addr,
@@ -252,10 +252,10 @@ class Auth(object):
             if ip_address not in app_service.ip_range_whitelist:
                 defer.returnValue((None, None))
 
-        if "user_id" not in request.args:
+        if b"user_id" not in request.args:
             defer.returnValue((app_service.sender, app_service))
 
-        user_id = request.args["user_id"][0]
+        user_id = request.args[b"user_id"][0].decode('utf8')
         if app_service.sender == user_id:
             defer.returnValue((app_service.sender, app_service))
 
@@ -773,3 +773,19 @@ class Auth(object):
             raise AuthError(
                 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN
             )
+
+    @defer.inlineCallbacks
+    def check_auth_blocking(self):
+        """Checks if the user should be rejected for some external reason,
+        such as monthly active user limiting or global disable flag
+        """
+        if self.hs.config.hs_disabled:
+            raise AuthError(
+                403, self.hs.config.hs_disabled_message, errcode=Codes.HS_DISABLED
+            )
+        if self.hs.config.limit_usage_by_mau is True:
+            current_mau = yield self.store.get_monthly_active_count()
+            if current_mau >= self.hs.config.max_mau_value:
+                raise AuthError(
+                    403, "MAU Limit Exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED
+                )