Pluggable AuthProvider framework for any future auth method (OIDC, SAML,
passkeys) to plug in without touching the auth path again. Two
implementations ship:
* TOTP — refactored from routes/auth/totp.js into src/auth/providers/totp.js
as one AuthProvider impl. Legacy /api/v1/totp/* routes stay mounted for
back-compat; new /api/v1/auth/login/totp/* routes use the new shape.
* EmailMagicLink — src/auth/providers/email.js. Initiate issues a 32-byte
base64url token, stores its SHA-256 hash in data/email-tokens.json
(atomic lockfile-based mutation, automatic TTL cleanup), and delivers via
nodemailer if providers.email.{host,port,username,password} is set OR
falls back to log.info('auth', 'email magic link issued', ...) for dev.
Verify accepts the token, marks it used, creates the same DashCaddy
session cookie that TOTP uses (single global cookie model).
createAuthProviderRegistry() composes both implementations and exposes
them via /api/v1/auth/login/{methods, :provider/initiate, :provider/verify,
recovery-info} and /api/v1/auth/disable/:provider. PUBLIC_ROUTES + CSRF
exemptions updated to use :provider placeholder (parameterized for future
providers).
Test fix: src/utilities/middleware.js PUBLIC_ROUTES and csrf-protection.js
both switched to the :provider form because the prior literal 'totp'
wouldn't match the parameterized mount path Express 4.22 produces.
Test fix: __tests__/public-routes-drift.test.js extractMountPath() was
broken for Express 4.22's new ^/path/?(?=/|$) source format (no \?\?
terminator in the literal-mount case). Rewrote the parser to normalize
escaped slashes + trailing lookaheads instead of relying on regex
matching against the raw source.
New: __tests__/auth-provider-registry.test.js — 9 tests covering registry
composition, getProvider round-trip, listEnabled no-secrets-leak guarantee,
enabled-flag respect, listAll vs listEnabled distinction, email provider
dev-console fallback (token written to JSON store + log.info with
deliveredVia: 'dev-console' + response masked), verify rejects unknown
tokens via AuthenticationError.
Tests: 1241/1241 passing across 46 suites (was 1232; +9 new).
DNS2 deploy: this commit + bump VERSION to 1.16.0 + publish tarball to
get.dashcaddy.net + docker build + bash start.sh. The image-layer migration
from DC-050 also runs on first container recreate post-merge.
Krystie