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Finish FLEX-WP-0019 layer-model v0.7 conformance
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Close the remaining PDP obligations: mechanical layer declaration check,
registry-snapshot digest in provenance, explicit allow TTL, per-input-class
freshness deadlines, and the published decision-record contract. Document
the canonical request digest as the §6.4.2 replay test.

Assistant: grok
Assistant-Session: 01a06256-fb71-7102-b3a9-27e6734257d0
This commit is contained in:
tegwick 2026-09-03 23:48:45 +02:00
parent 9689894c15
commit 56940727bf
32 changed files with 1194 additions and 111 deletions
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30
internal/policy/package.go
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@ -8,6 +8,7 @@ import (
"path/filepath"
"sort"
"strings"
"time"
"github.com/open-policy-agent/opa/ast"
"github.com/open-policy-agent/opa/rego"
@ -148,6 +149,17 @@ func (p *Package) Evaluate(ctx context.Context, request api.CheckRequest) (api.D
return p.evaluateDecision(ctx, request)
}
// Digest is the SHA-256 of canonical metadata plus the compiled Rego module.
func (p *Package) Digest() string {
return api.CanonicalDigest(struct {
Metadata api.PolicyPackageMetadata `json:"metadata"`
RegoModule string `json:"rego_module"`
}{
Metadata: p.Metadata,
RegoModule: p.RegoModule,
})
}
// Validate runs metadata, CARING, OPA parse/test, and fixture validation.
func (p *Package) Validate(ctx context.Context) ValidationResult {
result := ValidationResult{}
@ -235,6 +247,24 @@ func (p *Package) metadataDiagnostics() []Diagnostic {
if p.Metadata.Package == "" {
diagnostics = append(diagnostics, requiredDiagnostic("POLICY-METADATA-PACKAGE", "package", "OPA package path is required"))
}
if strings.TrimSpace(p.Metadata.AllowTTL) != "" && !strings.EqualFold(strings.TrimSpace(p.Metadata.AllowTTL), "none") {
ttl, err := time.ParseDuration(strings.TrimSpace(p.Metadata.AllowTTL))
if err != nil {
diagnostics = append(diagnostics, Diagnostic{
Code: "POLICY-ALLOW-TTL-INVALID",
Severity: "error",
Message: fmt.Sprintf("allow_ttl %q is not a Go duration", p.Metadata.AllowTTL),
Fields: []string{"allow_ttl"},
})
} else if ttl < 0 {
diagnostics = append(diagnostics, Diagnostic{
Code: "POLICY-ALLOW-TTL-INVALID",
Severity: "error",
Message: "allow_ttl must be none, 0s, or a positive duration",
Fields: []string{"allow_ttl"},
})
}
}
return diagnostics
}