HTTP trace mode

[nickatsegment]

It would be nice for debugging if we could dump all HTTP traffic.

• Some of our errors are not detailed enough to debug, and without making a big error hierarchy, HTTP dumps are probably easier to deal with
• We use some undocumented janky Duo APIs that would be easier to dev against if we could just do a packet/SSL capture

1. patch the HTTP clients with a TLS key logger (follow https://golang.org/pkg/crypto/tls/#example_Config_keyLogWriter)
2. do a packet capture

Related:

• Issue with Duo Yubikey auth #121

[stale]

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[nickatsegment]

Meh, this wiki article is probably good enough https://github.com/segmentio/aws-okta/wiki/HTTP-debugging