Replace deprecated ssl.match_hostname
method (fixes: #368)
#389
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The standard libraries's
ssl.match_hostname
method was marked as deprecated in Python 3.10. Rather than implementing this critical piece of code ourselves, make use of the Python Cryptographic Authority'sservice-identity
package.One notable behaviour change is that validation is performed only against the
subjectAltName
extension instead of thecommonName
. This is the same behaviour as web browsers use.