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shankar0123
b503d27b4f
Phase 9 ARCH-M2 closure Sprint 9. Splits internal/service/acme.go
(was 1965 LOC, the top hotspot after Sprints 1-8 finished the
config + main-binary cuts) via the Option B sibling-file pattern —
new files stay in `package service` so every external caller of
`service.ACMEService.{IssueNonce,LookupAuthz,ListAuthzsByOrder,
RespondToChallenge,GarbageCollect}` resolves the same way. Pure
mechanical relocation; no signature, no behavior, no import-graph
change.
Why Option B (not a subpackage)
================================
A subpackage (e.g. `internal/service/acme/`) would have meant
rebadging every public method receiver to its new package — that's
import-path churn for ~70 call sites across handlers, scheduler,
cmd/server wiring, MCP tools, and tests, plus the cyclic-import
risk of pulling acme back into `service` for the shared interfaces.
Option B sacrifices the encapsulation discipline a subpackage
would have given (sibling files can still reach into each other's
unexported state because Go scopes are per-package), but in
exchange the diff is restricted to file moves + four sed deletes;
zero importer touches anywhere outside this directory. The
trade-off matches every prior Sprint 1-7 config cut.
What moved
==========
New `internal/service/acme_nonces.go` (46 LOC)
----------------------------------------------
The IssueNonce method (RFC 8555 §6.5 Replay-Nonce issuance). The
nonceAdapter type — which wraps ACMERepo.ConsumeNonce for the JWS
verifier — stays in acme.go alongside VerifyJWS because it's
verification-infrastructure plumbing, not a server-issues-nonce
concern.
New `internal/service/acme_authz.go` (45 LOC)
---------------------------------------------
LookupAuthz + ListAuthzsByOrder (the authz read-side). Authz write-
side (status cascade after challenge validation) lives in
acme_challenges.go alongside recordChallengeOutcome where it
belongs operationally; the authz creation path stays inside
CreateOrder in acme.go (orders own per-order authz row creation).
New `internal/service/acme_challenges.go` (267 LOC)
---------------------------------------------------
The whole Phase 3 challenge dispatch + validator callback concern:
the `// --- Phase 3 — challenge dispatch + validator callback ---`
banner, the ChallengeResponseShape struct, the HTTP-facing
RespondToChallenge method (which transitions challenge → processing
and submits to the validator pool), and the asynchronous
recordChallengeOutcome callback (which persists final challenge
status and cascades the parent authz + order status). Largest
single extract this sprint by line count.
New `internal/service/acme_gc.go` (74 LOC)
------------------------------------------
The Phase 5 ACME GC sweep: scheduler-invoked GarbageCollect entry
point (3 sweeps: nonces, expired authzs, expired orders) and the
atomicAddUint64 counter helper (only consumed by the sweep body
for the rows-affected-N case the default `bump` doesn't cover).
What deferred
=============
Sprint 9 was originally scoped to ship 5 sub-files (nonces / authz /
challenges / orders / gc). The orders cut — CreateOrder +
LookupOrder + FinalizeOrder + LookupCertificate + the orders
helpers (randIDSuffix / base32encode / identifierStrings /
firstAvailableIssuer / accountOwnsACMECert / mapACMERevocationReason) +
FinalizeOrderResult — is ~700 LOC spread across multiple non-
contiguous regions in acme.go, with the orders helpers also feeding
into RevokeCert / RenewalInfo on the Phase 4 side. Disentangling
which helpers move with orders vs which stay with Phase 4 needs a
focused sprint of its own to avoid leaving a half-cut helper
declared in one file but called from a sibling — which works
(same package) but defeats the point of organising by concern.
Deferred to a potential Sprint 9b.
Net effect
==========
acme.go: 1965 → 1634 LOC (-331). Four new sibling files at 432 LOC
total. The headline 1965-LOC hotspot drops below the next-tier
candidates (mcp/tools.go, auth_session_oidc.go, cmd/agent/main.go).
Behavior preservation contract
==============================
1. gofmt -l clean across all 5 affected files.
2. go vet ./internal/service/... — no findings.
3. staticcheck ./internal/service/... — no findings.
4. go test -short -count=1 ./internal/service/... — green.
5. Broader-importer build green:
go build ./cmd/server/... ./internal/api/handler/...
./internal/scheduler/... ./internal/mcp/...
6. Broader-importer tests green:
go test -short -count=1 ./cmd/server/... ./internal/api/handler/...
./internal/scheduler/...
7. Per-import-symbol audit: all 8 imports remaining in acme.go
(context, cryptorand, x509, errors, fmt, strings, sync/atomic,
time, jose, internal/api/acme, internal/config, internal/domain,
internal/repository) verified used by surviving code. New
sibling files carry only the imports their extracted code needs.
The Option B sibling-file shape means same-package resolution
preserves access to ACMEService's unexported state from every
extracted method without any visibility tweaks. Worth noting for
the future: this also means a careless future caller could reach
through file boundaries and re-tangle concerns; the file headers
document the intended boundary but Go's tooling won't enforce it.
Why this is a partial sprint
============================
Splitting into 4 of 5 named sub-files now (vs blocking until orders
is also clean) keeps the hotspot count down with this commit and
lets a follow-up Sprint 9b focus exclusively on the orders cut
without re-touching the four files this sprint ships. Same
"smallest useful slice, document the rest" cadence as Sprint 8
splitting into 8a (mechanical) + 8b (behavior-aware).
Refs: ARCH-M2 (god-files), Phase 9 audit. Last in the config /
service hotspot chain before the agent + mcp + auth-session cuts
land in Sprints 10-12.
46 lines
1.6 KiB
Go
46 lines
1.6 KiB
Go
// Copyright 2026 certctl LLC. All rights reserved.
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// SPDX-License-Identifier: BUSL-1.1
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package service
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import (
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"context"
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"errors"
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"fmt"
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"github.com/certctl-io/certctl/internal/domain"
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"github.com/certctl-io/certctl/internal/repository"
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)
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// Phase 9 ARCH-M2 closure Sprint 9 (2026-05-14): extracted from
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// internal/service/acme.go via the Option B sibling-file pattern.
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// Package stays `service`; every external caller of
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// `service.ACMEService.LookupAuthz(...)` / `ListAuthzsByOrder(...)`
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// resolves the same way — pure mechanical relocation.
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//
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// This file holds the authz read-side concern. The authz write-side
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// (status cascade after challenge validation) lives in
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// acme_challenges.go alongside recordChallengeOutcome where it
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// belongs operationally; the authz creation path stays inside
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// CreateOrder in acme.go (orders own the per-order authz rows).
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// LookupAuthz returns an authz by ID. Authz rows aren't account-scoped
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// directly; the handler asserts via the parent order if needed.
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func (s *ACMEService) LookupAuthz(ctx context.Context, authzID string) (*domain.ACMEAuthorization, error) {
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authz, err := s.repo.GetAuthzByID(ctx, authzID)
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if err != nil {
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if errors.Is(err, repository.ErrNotFound) {
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return nil, ErrACMEAuthzNotFound
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}
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return nil, fmt.Errorf("acme: lookup authz: %w", err)
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}
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s.metrics.bump(&s.metrics.AuthzReadTotal)
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return authz, nil
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}
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// ListAuthzsByOrder returns the per-order authz rows. Used by
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// MarshalOrder to compute the authorizations URL list.
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func (s *ACMEService) ListAuthzsByOrder(ctx context.Context, orderID string) ([]*domain.ACMEAuthorization, error) {
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return s.repo.ListAuthzsByOrder(ctx, orderID)
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}
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