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author | Zdziszek <132405081+zdzichu-rks@users.noreply.github.com> | 2023-05-05 14:54:32 +0000 |
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committer | GitHub <noreply@github.com> | 2023-05-05 15:54:32 +0100 |
commit | a0f53afd62273767b0f54f227fd0020f64c3f6de (patch) | |
tree | d930ed45429957fd0cf39c4b03d83ed7904f89ac /synapse/http | |
parent | Add `mdbook` to flake.nix (#15545) (diff) | |
download | synapse-a0f53afd62273767b0f54f227fd0020f64c3f6de.tar.xz |
Handle `DNSNotImplementedError` in SRV resolver (#15523)
Signed-off-by: Zdzichu <zdzichu.rks@protonmail.com>
Diffstat (limited to 'synapse/http')
-rw-r--r-- | synapse/http/federation/srv_resolver.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/synapse/http/federation/srv_resolver.py b/synapse/http/federation/srv_resolver.py index de0e882b33..285baddeb7 100644 --- a/synapse/http/federation/srv_resolver.py +++ b/synapse/http/federation/srv_resolver.py @@ -22,7 +22,7 @@ import attr from twisted.internet.error import ConnectError from twisted.names import client, dns -from twisted.names.error import DNSNameError, DomainError +from twisted.names.error import DNSNameError, DNSNotImplementedError, DomainError from synapse.logging.context import make_deferred_yieldable @@ -145,6 +145,9 @@ class SrvResolver: # TODO: cache this. We can get the SOA out of the exception, and use # the negative-TTL value. return [] + except DNSNotImplementedError: + # For .onion homeservers this is unavailable, just fallback to host:8448 + return [] except DomainError as e: # We failed to resolve the name (other than a NameError) # Try something in the cache, else rereaise |