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feat(proxy): allowlist AWS_SIGN_ACCEPT_ENCODING #1615

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Merged
derekbit merged 3 commits into from
Aug 21, 2026
+5 −0
Merged

feat(proxy): allowlist AWS_SIGN_ACCEPT_ENCODING #1615

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e557b4c
feat(proxy): allowlist AWS_SIGN_ACCEPT_ENCODING
kinorai Aug 16, 2026
210d947
chore(vendor): bump backupstore for AWS_SIGN_ACCEPT_ENCODING
kinorai Aug 20, 2026
31fa80e
Merge branch 'master' into feat/allowlist-sign-accept-encoding
mantissahz Aug 21, 2026
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1 change: 1 addition & 0 deletions pkg/proxy/backup_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,7 @@ func TestSetEnv_AcceptsAllowlistedCredentials(t *testing.T) {
"AWS_ENDPOINTS",
"AWS_CERT",
"VIRTUAL_HOSTED_STYLE",
"AWS_SIGN_ACCEPT_ENCODING",
"CIFS_USERNAME",
"CIFS_PASSWORD",
"AZBLOB_ACCOUNT_NAME",
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4 changes: 4 additions & 0 deletions pkg/proxy/env_allowlist.go
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Expand Up @@ -28,6 +28,10 @@ var backupEnvAllowlist = map[string]struct{}{
btypes.AWSCert: {},
btypes.VirtualHostedStyle: {},

// Selects whether Accept-Encoding is part of the SigV4 signature. It is a
// signing option, not a credential, and carries no secret.
btypes.AWSSignAcceptEncoding: {},

@kinorai kinorai Aug 20, 2026

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Couldn't compile when I opened this. backupstore#316 merged as 12a1fc975d8f, so I bumped and re-vendored in 210d947.

make validate and the test stage both pass in the container, pkg/proxy included. Diff is go.mod, go.sum, vendor/modules.txt and the three backupstore files.


// CIFS
btypes.CIFSUsername: {},
btypes.CIFSPassword: {},
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