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Adds services/verification-service exposing POST /api/v1/verify/chain for sink:dummy-sink. The handler runs the six hard-coded chain checks described in DEV-612 and reserves decision_id in a new `verification_decisions` table so a replayed sink delivery is refused without recomputing signatures. - DSSE signature verification against configurable approval + transform signer key_ids, loaded from VERIFICATION_SIGNER_KEYS (pem/hex/b64/b64u) - RFC 6962 inclusion-proof verifier (shared leaf/node hashing with services/transparency-log/pkg/backend) - Content binding: subject.digest.sha256 must match predicate.content_hash (approval) and request.payload_hash (transform) - Hard-coded coverage of allowed_transformations / allowed_sinks / expires_at predicates (OPA deferred to Phase 2 per the subtask) - Replay guard via new db/trust/migrations/0005_verification_decisions (in-memory store ships; Postgres skeleton mirrors sibling pattern) - Dockerfile mirrors signing-service pattern (distroless static + nonroot) - README documents endpoint, reason-code taxonomy, required predicate fields, and the Phase-2 non-scope Tests: happy path + 7 negatives (bad signature, missing inclusion proof, hash drift, sink not allowed, expired, replay, operation not allowed). Co-Authored-By: Paperclip <noreply@paperclip.ing>
26 lines
909 B
Go
26 lines
909 B
Go
package store
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import (
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"context"
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"errors"
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)
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// Postgres is the production Store. Skeleton mirroring the pattern used
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// by services/approval-service/internal/store/postgres.go: every method
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// returns errPGUnimplemented until the pgxpool wiring lands. The schema
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// is authoritative in db/trust/migrations/0005_verification_decisions.*.sql.
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type Postgres struct {
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// pool *pgxpool.Pool // kept out of go.mod in the skeleton
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}
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var errPGUnimplemented = errors.New("postgres store is a skeleton; use NewMemory for Phase 1")
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// NewPostgres returns a zero-value Postgres. Real wiring is Phase 2.
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func NewPostgres( /* conn string, logger */ ) (*Postgres, error) {
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return &Postgres{}, nil
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}
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func (*Postgres) Reserve(_ context.Context, _ Decision) error { return errPGUnimplemented }
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func (*Postgres) Get(_ context.Context, _ string) (Decision, bool, error) {
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return Decision{}, false, errPGUnimplemented
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}
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