Return specific error code when email / phone not supported (#17578)

Implements https://github.com/matrix-org/matrix-spec-proposals/pull/4178

If this would need tests, could you give some idea of what tests would
be needed and how best to add them?

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- Be a short description of your change which makes sense to users.
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1 files changed, 2 insertions, 2 deletions

diff --git a/synapse/util/msisdn.py b/synapse/util/msisdn.py

index b6a784f0bc..dce8da5e18 100644
--- a/synapse/util/msisdn.py
+++ b/synapse/util/msisdn.py
@@ -21,7 +21,7 @@
 
 import phonenumbers
 
-from synapse.api.errors import SynapseError
+from synapse.api.errors import Codes, SynapseError
 
 
 def phone_number_to_msisdn(country: str, number: str) -> str:
@@ -45,7 +45,7 @@ def phone_number_to_msisdn(country: str, number: str) -> str:
     try:
         phoneNumber = phonenumbers.parse(number, country)
     except phonenumbers.NumberParseException:
-        raise SynapseError(400, "Unable to parse phone number")
+        raise SynapseError(400, "Unable to parse phone number", Codes.INVALID_PARAM)
     return phonenumbers.format_number(phoneNumber, phonenumbers.PhoneNumberFormat.E164)[
         1:
     ]