feat: provide context with app transport signer #119
+105
−23
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Adds the
SignWithContext
interface that allows implementations that use I/O (e.g. calls to a remote KMS) to use the context of the current request, allowing it to participate in cancellation/timeout as appropriate.Backwards compatibility is preserved by wrapping a
Signer
implementation in wrappingSignerWithContextAdapter
. The existingSigner
interface has been marked as deprecated to signal to implementors of the new implementation.The existing
RSASigner
now implements both interfaces, with theSign
method marked as deprecated. This preserves backwards compatibility and avoids requiring an adaptor for the default implementation.Fixes #117