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webhooker/internal/session/testing.go
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refactor: replace custom CSRF and rate-limiting with off-the-shelf libraries
Replace custom CSRF middleware with gorilla/csrf and custom rate-limiting
middleware with go-chi/httprate, as requested in code review.

CSRF changes:
- Replace session-based CSRF tokens with gorilla/csrf cookie-based
  double-submit pattern (HMAC-authenticated cookies)
- Keep same form field name (csrf_token) for template compatibility
- Keep same route exclusions (webhook/API routes)
- In dev mode, mark requests as plaintext HTTP to skip Referer check

Rate limiting changes:
- Replace custom token-bucket rate limiter with httprate sliding-window
  counter (per-IP, 5 POST requests/min on login endpoint)
- Remove custom IP extraction (httprate.KeyByRealIP handles
  X-Forwarded-For, X-Real-IP, True-Client-IP)
- Remove custom cleanup goroutine (httprate manages its own state)

Kept as-is:
- SSRF prevention code (internal/delivery/ssrf.go) — application-specific
- CSRFToken() wrapper function — handlers unchanged

Updated README security section and architecture overview to reflect
library choices.
2026-03-10 10:05:38 -07:00

23 lines
644 B
Go

package session
import (
"log/slog"
"github.com/gorilla/sessions"
"sneak.berlin/go/webhooker/internal/config"
)
// NewForTest creates a Session with a pre-configured cookie store for use
// in tests. This bypasses the fx lifecycle and database dependency, allowing
// middleware and handler tests to use real session functionality. The key
// parameter is the raw 32-byte authentication key used for session encryption
// and CSRF cookie signing.
func NewForTest(store *sessions.CookieStore, cfg *config.Config, log *slog.Logger, key []byte) *Session {
return &Session{
store: store,
key: key,
config: cfg,
log: log,
}
}