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fix(kas): complete rewrap audit coverage - #4205
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Merge Risk: ⚪ Minimal · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 2.94% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 34 functions across 7 files. (1 skipped: 1… | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely describes the main change: completing KAS rewrap audit coverage, including expanded outcome classification and event emission. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage
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Explanation
Docstring coverage is 2.94% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 34 functions across 7 files. (1 skipped: 1 unsupported.)
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A rabbit checks each wrapped key,
Then marks the reason, clear and true.
One event for each KAO,
Request-level notes when processing cannot go.
Verified claims stay in their place,
Audit fields record the case.
Comment @coderabbitai help to get the list of available commands.
elizabethhealy
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Rewrap audit outcomes
flowchart TD
A[Rewrap request] --> B{Request can be processed?}
B -->|no| F1["FAILURE · request level<br/>SRT, body, token, context,<br/>client key, or policy request invalid"]
B -->|yes| C{Duplicate KAO ID?}
C -->|yes| F2A["FAILURE<br/>kao_invalid"]
C -->|no| P{Policy body valid?}
P -->|no| F3A["FAILURE · suspected_tamper: true<br/>policy_body_invalid"]
P -->|yes| V{"KAO and key type valid?"}
V -->|no| F2["FAILURE<br/>kao_invalid · key_type_disabled<br/>unsupported_key_type · invalid_ephemeral_key"]
V -->|yes| K{Key lookup}
K -->|not found| F7["FAILURE<br/>key_not_found"]
K -->|unavailable| E0["ERROR<br/>key_lookup_failed"]
K -->|ok| M{Key manager available?}
M -->|no| E3["ERROR<br/>key_manager_unavailable"]
M -->|yes| D{"DEK decrypts and<br/>binding verifies?"}
D -->|no| F3["FAILURE · suspected_tamper: true<br/>dek_decrypt_failed · policy_binding_missing<br/>policy_binding_malformed · policy_binding_mismatch"]
D -->|yes| E{Authorization}
E -->|deny| F4["FAILURE<br/>policy_denied"]
E -->|rejected| F5["FAILURE<br/>authz_rejected"]
E -->|unavailable or cancelled| E1["ERROR<br/>authz_unavailable · context_cancelled"]
E -->|permit| G{Session key and encapsulation}
G -->|invalid key or EC disabled| F6["FAILURE<br/>invalid_client_public_key · ec_rewrap_disabled"]
G -->|KAS fault| E2["ERROR<br/>session_key_error · encapsulation_failed"]
G -->|ok| S[SUCCESS]
classDef success fill:#d4edda,stroke:#28a745,color:#000
classDef failure fill:#fde2e1,stroke:#d9534f,color:#000
classDef error fill:#e2e3e5,stroke:#6c757d,color:#000
class S success
class F1,F2,F2A,F3,F3A,F4,F5,F6,F7 failure
class E0,E1,E2,E3 error
Outcome matrix
Defensive request events may accompany KAO events. Metadata
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elizabethhealy
marked this pull request as ready for review
October 14, 2026 14:52
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Actionable comments posted: 2
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @service/kas/access/rewrap.go:
- Around line 679-688: In the error branch after extractSRTBody, guard against
an unclassified requestOutcome before logging or recording the audit event. Set
unclassified failures to an error result with rewrapReasonIncomplete and mark
them classified, following the existing Classified guard in auditRewrapOutcomes.
Review comments at @service/logger/audit/rewrap.go:
- Around line 23-34: Restore the exported IsSuccess field on
RewrapAuditEventParams to preserve source compatibility for external
struct-literal callers; leave the unexported isDenied field unchanged.
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📒 Files selected for processing: 8
service/kas/access/REWRAP_AUDIT.mdservice/kas/access/rewrap.goservice/kas/access/rewrap_test.goservice/logger/audit/README.mdservice/logger/audit/logger.goservice/logger/audit/logger_test.goservice/logger/audit/rewrap.goservice/logger/audit/rewrap_test.go
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alkalescent
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alkalescent
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alkalescent
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alkalescent
previously approved these changes
Oct 14, 2026
Signed-off-by: Elizabeth Healy <ehealy@virtru.com>
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Signed-off-by: Elizabeth Healy <ehealy@virtru.com>
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Signed-off-by: Elizabeth Healy <ehealy@virtru.com>
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dmihalcik-virtru
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dmihalcik-virtru
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Signed-off-by: Elizabeth Healy <ehealy@virtru.com>
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Signed-off-by: Elizabeth Healy <ehealy@virtru.com>
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dmihalcik-virtru
approved these changes
Oct 14, 2026
| return a.rewrapBase(ctx, params) | ||
| params.PolicyVerified = true | ||
| if params.FailureReason == "" { | ||
| params.FailureReason = "rewrap_error" |
| return a.rewrapBase(ctx, params) | ||
| params.PolicyVerified = true | ||
| if params.FailureReason == "" { | ||
| params.FailureReason = "policy_denied" |
| case ActionResultSuccess: | ||
| case ActionResultFailure: | ||
| if params.FailureReason == "" { | ||
| params.FailureReason = "rewrap_rejected" |
| } | ||
| case ActionResultError: | ||
| if params.FailureReason == "" { | ||
| params.FailureReason = "rewrap_error" |
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Summary
Testing
make fmtgit diff --checkGOCACHE=/tmp/codex-go-cache go test ./logger/audit ./kas/access -race -count=1cd sdk && GOCACHE=/tmp/codex-go-cache go test -run TestREADMECodeBlocksNotes
The full
make testsuite requires local Keycloak and container infrastructure that was unavailable in this environment. Focused rewrap and audit tests pass with the race detector.Ticket: DSPX-5100
Summary by CodeRabbit