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release: 0.5.0: Pre-1.0 security review, domain-admin role, doc consolidation

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A bounce could be recorded as a successful delivery. The log-tailer's
Fixed:
  - A bounce could be recorded as a successful delivery. The log-tailer's
  - Log-tailer resumes where it stopped instead of jumping to end-of-file on
  - Level-2 rate limit no longer overshoots under concurrency: messages that
Changed:
  - The project has a single public home: `github.com/mixeme/selfpost`. Codeberg
  - Code comments no longer cite the archived specification. References like
  - `docs/code-review.md` is gone. Its plan is finished — phases 0 (bar the
  - `docs/architecture.md` gained a *Code layers* section: a diagram of
  - Phase 1 doc/code hygiene (`docs/code-review.md`): removed ~30 stale
  … (1 more in CHANGELOG)
Security:
  - Pre-release security review (plan § D, model Fable, 2026-08-06): full pass
  - `saslpasswd2` argv: the application login is now passed after a `--`
Added:
  - Optional password encryption for the two secret-bearing downloads (plan
  - Domain import accepts an encrypted export: the envelope is detected by its
  - `selfpost-backup` writes encrypted archives and reads them back:
  - `TestParseDelivery` covers the exotic mail.log shapes the review asked for
  - docs: README *Encrypting a backup or export*; `docs/security.md` §
  … (14 more in CHANGELOG)
Removed:
  - docs: `security.md` — accepted risk «restore old backup revives session rows»
Changed:
  - docs: `implementation-plan.md` trimmed to the sole open v1.x gate — pre-release
  - docs: `architecture.md` — sessions (SQLite, idle renew, password change),
  - docs: `development.md` — expanded e2e stack and `release.yml` matrix workflow.
  - docs: `security.md` — accepted risk for send-log rows stuck at `queued` after
  - docs: `roadmap.md` — optional send-log / `mail.log` follow-ups under v1.x tail.
  … (10 more in CHANGELOG)

Full detail: CHANGELOG.md (0.5.0).
This commit is contained in:
mix
2026-09-22 15:24:51 +03:00
parent 72b09d60a6
commit 5e5d157496
113 changed files with 4284 additions and 1140 deletions
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internal/domain/transfer.go
+22 -20
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@@ -3,19 +3,20 @@ package domain
import (
"fmt"
"codeberg.org/mix/selfpost/internal/buildinfo"
"codeberg.org/mix/selfpost/internal/store"
"github.com/mixeme/selfpost/internal/buildinfo"
"github.com/mixeme/selfpost/internal/store"
)
// FormatDomainExport identifies a single-domain export file (spec 7.5.B).
// FormatDomainExport identifies a single-domain export file (architecture.md §
// Persistence).
const FormatDomainExport = "selfpost-domain-export"
// DomainExport is the serialisable form of one sending domain, for moving it
// between two independently running SelfPost instances (spec 7.5.B). It carries
// the DKIM private key (so the published DNS record stays valid) and each
// application's working password (so credentials transfer without regeneration).
// The file is therefore as sensitive as a full backup and must be handled as a
// secret.
// between two independently running SelfPost instances (architecture.md §
// Persistence). It carries the DKIM private key (so the published DNS record
// stays valid) and each application's working password (so credentials
// transfer without regeneration). The file is therefore as sensitive as a full
// backup and must be handled as a secret.
type DomainExport struct {
Format string `json:"format"`
Version string `json:"version"`
@@ -35,8 +36,8 @@ type AppExport struct {
// Export builds the transferable representation of a domain: its DKIM key, its
// selector and every application with its address mode and working password
// (spec 7.5.B). The returned struct is marshalled to JSON by the caller and
// offered as a secret download.
// (architecture.md § Persistence). The returned struct is marshalled to JSON
// by the caller and offered as a secret download.
func (s *Service) Export(id int64) (DomainExport, error) {
d, err := s.store.GetDomain(id)
if err != nil {
@@ -73,17 +74,18 @@ func (s *Service) Export(id int64) (DomainExport, error) {
return exp, nil
}
// Import re-creates a domain from an export file on this instance (spec 7.5.B):
// it stores the imported DKIM key (so the published DNS record needs no change),
// registers the domain and rebuilds the OpenDKIM tables, then re-creates each
// application with its working password and rebuilds the Postfix sender map.
// Import re-creates a domain from an export file on this instance
// (architecture.md § Persistence): it stores the imported DKIM key (so the
// published DNS record needs no change), registers the domain and rebuilds the
// OpenDKIM tables, then re-creates each application with its working password
// and rebuilds the Postfix sender map.
//
// exp.Domain must already be normalised and validated by the caller (spec
// 7.6.2); the selector is checked for config-injection safety here. A domain or
// login that already exists is rejected (store.ErrDomainExists /
// store.ErrLoginExists) rather than merged. If any step fails, everything the
// import created is rolled back, so a partial import never leaves the instance
// in an inconsistent state.
// exp.Domain must already be normalised and validated by the caller
// (security.md); the selector is checked for
// config-injection safety here. A domain or login that already exists is
// rejected (store.ErrDomainExists / store.ErrLoginExists) rather than merged.
// If any step fails, everything the import created is rolled back, so a
// partial import never leaves the instance in an inconsistent state.
func (s *Service) Import(exp DomainExport) (store.Domain, error) {
if exp.Format != FormatDomainExport {
return store.Domain{}, fmt.Errorf("not a SelfPost domain export (format %q)", exp.Format)