feat: implement token-in-cookie authentication middleware and settings handler #54
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Roadmap Reference
Phase 1, Section 1.3 — Authentication (v1: Token-in-cookie)
What to do
Implement
internal/handlers/auth.goandinternal/middleware/auth.go:Settings handlers:
GET /settings— render a settings page with a form to enter a Gitea API tokenPOST /settings— validate the token against Gitea API (GET /user), store in a signed HTTP-only cookie, redirect to/Middleware:
/settings/settingsand/healthfrom the auth checkCookie requirements:
SESSION_SECRETHttpOnly,Secure,SameSite=StrictAcceptance Criteria
/redirect to/settings/go test ./internal/...passesClosing as implemented. The codebase on master contains all required components:
internal/handlers/settings.go: GET /settings renders the token form; POST /settings validates and stores token in signed cookie, redirects to /internal/middleware/auth.go: checks signed session cookie, injects token into context, redirects to /settings if missing; exempts /health, /settings, /static/internal/auth/cookie.go: HMAC-SHA256 signed cookies with HttpOnly, Secure, SameSite flagsinternal/auth/cookie_test.goandinternal/middleware/auth_test.goNote: Token validation against Gitea API (GET /user) before saving is not implemented -- the settings handler saves the cookie directly. This is a minor gap for a future enhancement.