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Phase 4: applications + SASL (sasldb2) + sender_login_maps

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Adds application accounts bound to domains: a SASL login/password in
sasldb2, a per-application address mode (wildcard @domain or an explicit
list), and matching smtpd_sender_login_maps bindings — with create,
list, edit-mode, delete and password regeneration (spec 4.1, 5.1,
7.2.5-9). Generated passwords are shown exactly once and never stored in
plaintext (7.6.1).

- internal/store/applications.go: transactional CRUD; globally unique
  login; ListBindings (address->login) as the map source; logins-by-
  domain for pre-cascade SASL cleanup.
- internal/app: saslpasswd2 wrapper (password via stdin, login as a
  whitelisted argv element, no shell — 7.6.3); strong base64url password;
  address validation that enforces domain ownership before any config
  write (7.6.2); service orchestrating store + sasldb2 + map with full
  rollback on partial failure.
- internal/postfix: sender_login_maps regenerated as a pure function of
  the registry (many-to-one logins merged per address), atomic write,
  injection backstop (7.6.4).
- Postfix reload, corrected: `postfix start-fg` forks a separate master,
  so signalling the supervised process never reaches it. Reload now runs
  the canonical `postfix reload` via a one-shot supervisord program the
  unprivileged panel triggers over the group control socket. Verified in
  mail.log.
- domain.Service.Delete purges the domain's SASL accounts, then cascades,
  then rebuilds the sender map and reloads; manual reload now covers both
  OpenDKIM and Postfix.
- web: application management in the domain page, one-time credential
  shown inline; postfix joins the selfpost group and entrypoint normalises
  /data/sasl and /data/postfix (setgid, group-readable) with self-heal.

Verified on the dev server: gofmt/vet/test green, image builds, and a
container e2e covers the full application lifecycle, domain-delete
cascade, restart persistence, and a real postfix reload.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Микс
2026-07-12 21:18:10 +03:00
parent a7a5ad3f91
commit c6eeb30258
24 changed files with 2156 additions and 51 deletions
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internal/web/templates/layout.html
+18
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@@ -56,6 +56,24 @@
@media (prefers-color-scheme: dark) { .code { background: #14171a !important; border-color: #2b3138 !important; } }
h2 { font-size: 1.05rem; margin: 0 0 0.4rem; }
.back { display: inline-block; margin-bottom: 1rem; }
select, textarea {
width: 100%; padding: 0.55rem 0.7rem; font-size: 1rem;
border: 1px solid #cfd4da; border-radius: 6px; background: #fff; color: inherit;
font-family: inherit;
}
textarea { resize: vertical; }
@media (prefers-color-scheme: dark) {
select, textarea { background: #14171a !important; color: inherit !important; border-color: #2b3138 !important; }
}
button.danger { background: #b42318; }
button.danger:hover { background: #912018; }
form.inline button.danger { background: none; color: #b42318; }
form.inline button.danger:hover { background: none; }
td.actions form.inline, td.actions details { margin-left: 0.6rem; }
details summary { cursor: pointer; color: #2563eb; font-weight: 600; }
details form { margin-top: 0.6rem; }
.credential { border-color: #f5c518; background: #fffbeb; }
@media (prefers-color-scheme: dark) { .credential { background: #2a2408 !important; border-color: #6b5a10 !important; } }
</style>
</head>
<body>