[PATCH proxmox 0/3] s3-client: fix request signing and update request time on retry

[Christian Ebner <c.ebner@proxmox.com>]

This patch series fixes 2 issues with the current s3-client
implementation.

In particular:
- Patch 1 fixes an issue with s3-client request signing, encountered
  during development. The canonical request headers and query
  parameters were incorrectly sorted by key+value strings instead
  of key only, which could lead to sorting mismatches with the API
  server, resulting in signature mismatches and therefore rejected
  requests. In particular, this might be encountered if one header
  name is a prefix to another header name.
  Fixed by sorting headers and queries via their respective key only.
- Patches 2+3 fix a not updated request time for requests being
  retried. This could potentially lead to `RequestTimeTooSkewed`
  errors when the time in-between retried requests is very large and
  might explain such errors observed as reported in the community
  forum [0].
  Fixed by setting the current request time and updating the request
  signature each time before sending the request via the client.

[0] https://forum.proxmox.com/threads/186881/


proxmox:

Christian Ebner (3):
  s3-client: fix header and query parameter sorting during aws sign v4
  s3-client: factor out request signing and related header updates
  s3-client: update request time and signature on retries

 proxmox-s3-client/src/aws_sign_v4.rs | 30 ++++++---
 proxmox-s3-client/src/client.rs      | 95 ++++++++++++++--------------
 2 files changed, 67 insertions(+), 58 deletions(-)


Summary over all repositories:
  2 files changed, 67 insertions(+), 58 deletions(-)

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