Asgiref tls extension proposal #2586
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eirikhex
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Kludex
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Mar 9, 2025
| self.callback_notify = callback_notify | ||
| self.ssl_keyfile = ssl_keyfile | ||
| self.ssl_certfile = ssl_certfile | ||
| self.ssl_cert_pem: str | None = None |
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Why did you add this? Seems out of scope?
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This was added in order to serve read and store the server cert pem one place. This need to be passed to the scope, and the file should not be read on every request.
should this be placed somewhere else?
uvicorn/protocols/utils.py
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| class TLSInfo(TypedDict, total=False): | ||
| server_cert: str | None | ||
| client_cert_chain: list[str] | ||
| tls_version: str | None | ||
| cipher_suite: str | None |
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This needs to go in the _types module, and be added to the extensions key.
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Bit unsure about how that works. This is my attempt to fix it: 3186a0d
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Summary
Simplification of #1119 according to the discussion in django/asgiref#466
A proof of concept for a change in the asgi spec for the tls extension where
client_cert_nameis removed because it's not the role of the ASGI web server to parse X.509 certificate. The content of the field is a part of theclient_cert_chain, and should be extracted from there. (as shown in the test in this PR)client_cert_erroris removed as it was impossible to fill with any useful information.tls_versionandcipher_suiteis filled with string returned by ssl.SSLSocket.version() and ssl.SSLSocket.cipher()Checklist