Kwaku Danso
39533162bb
Guests can revisit their invitation link and change their response
or plus-ones up to 5 times. Each prior state is snapshotted into
`rsvp_revisions` and surfaced to the host via a per-guest history
modal on the event detail page.
- Migration 0007 adds rsvp_revisions + rsvps.edit_count (with down)
- RSVPRepo.Update wraps snapshot+update+counter in one transaction,
FOR UPDATE-locking the row so concurrent edits can't bypass the cap
- PATCH /rsvp/{token} re-runs the fraud check on every edit attempt
(different device on an edit is itself a signal)
- POST /rsvp no longer marks the token used — the link stays valid
so the guest can come back to edit
- GET /access/{token} now embeds the existing RSVP so the frontend
renders an edit form instead of a blank submit form on revisit
- New host endpoint GET /events/{id}/guests/{guest_id}/rsvp/history
- Frontend: rsvp/[token].vue toggles between summary + edit form,
surfaces edits-remaining; dashboard adds a "History" action on
responded guests opening a revision-trail modal
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
374 lines
13 KiB
Go
374 lines
13 KiB
Go
package api
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import (
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"log/slog"
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"net/http"
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"time"
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"github.com/redis/go-redis/v9"
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"github.com/alchemistkay/guestguard/internal/auth"
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"github.com/alchemistkay/guestguard/internal/billing"
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"github.com/alchemistkay/guestguard/internal/notification"
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"github.com/alchemistkay/guestguard/internal/ratelimit"
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"github.com/alchemistkay/guestguard/internal/storage"
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)
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type Server struct {
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logger *slog.Logger
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db *storage.DB
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hub *Hub
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authH *authHandler
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me *meHandler
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events *eventHandler
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guests *guestHandler
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tokens *tokenHandler
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rsvps *rsvpHandler
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activity *activityHandler
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ws *wsHandler
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wsTicket *wsTicketHandler
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health *healthHandler
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signer *auth.JWTSigner
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limiter *ratelimit.Limiter
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unsub *unsubscribeHandler
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webhooks *webhookHandler
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csv *csvImportHandler
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billing *billingHandler
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stripeWH *stripeWebhookHandler
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privacy *privacyHandler
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}
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type ServerDeps struct {
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Logger *slog.Logger
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DB *storage.DB
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Hub *Hub
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AccessPublisher accessPublisher
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RSVPPublisher rsvpPublisher
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InvitationPublisher invitationPublisher
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FraudScorer fraudScorer
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TokenTTL time.Duration
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// Auth
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JWTSecret string
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JWTIssuer string
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AccessTokenTTL time.Duration
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RefreshTokenTTL time.Duration
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EmailVerificationTTL time.Duration
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PasswordResetTTL time.Duration
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PublicBaseURL string
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RefreshCookieDomain string
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RefreshCookieSecure bool
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EmailSender auth.EmailSender
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WSTicketTTL time.Duration
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// Rate limiting / abuse controls
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Redis *redis.Client
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LoginLockoutMax int // failed attempts before account lockout (default 5)
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LoginFailWindow time.Duration // counter TTL (default 15 min)
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// Notifications / unsubscribe
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NotificationRepo *notification.Repo
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SuppressionRepo *notification.SuppressionRepo
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UnsubscribeSigner *notification.UnsubscribeSigner
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// Billing (Block F). Nil StripeClient leaves billing disabled — the
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// system still boots and runs, all users sit on the free tier with
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// its limits enforced; /billing/* returns 503.
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StripeClient *billing.Client
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}
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func NewServer(deps ServerDeps) (*Server, error) {
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eventRepo := storage.NewEventRepo(deps.DB)
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guestRepo := storage.NewGuestRepo(deps.DB)
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tokenRepo := storage.NewTokenRepo(deps.DB)
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rsvpRepo := storage.NewRSVPRepo(deps.DB)
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accessRepo := storage.NewAccessLogRepo(deps.DB)
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userRepo := storage.NewUserRepo(deps.DB)
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verifRepo := storage.NewEmailVerificationRepo(deps.DB)
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resetRepo := storage.NewPasswordResetRepo(deps.DB)
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refreshRepo := storage.NewRefreshTokenRepo(deps.DB)
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subRepo := storage.NewSubscriptionRepo(deps.DB)
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enforcer := newTierEnforcer(subRepo, deps.PublicBaseURL)
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signer, err := auth.NewJWTSigner(deps.JWTSecret, deps.AccessTokenTTL, deps.JWTIssuer)
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if err != nil {
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return nil, err
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}
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hasher := auth.NewPasswordHasher()
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emails := deps.EmailSender
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if emails == nil {
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emails = auth.LogEmailSender{Logger: deps.Logger}
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}
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hub := deps.Hub
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if hub == nil {
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hub = NewHub(deps.Logger)
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}
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wsTicketTTL := deps.WSTicketTTL
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if wsTicketTTL <= 0 {
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wsTicketTTL = 60 * time.Second
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}
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wsTickets := newWSTicketStore(wsTicketTTL)
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var limiter *ratelimit.Limiter
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var lockout *auth.LockoutTracker
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if deps.Redis != nil {
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limiter = ratelimit.New(deps.Redis, "gg:rl")
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lockoutMax := deps.LoginLockoutMax
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if lockoutMax <= 0 {
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lockoutMax = 5
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}
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failWindow := deps.LoginFailWindow
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if failWindow <= 0 {
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failWindow = 15 * time.Minute
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}
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lockout = auth.NewLockoutTracker(deps.Redis, lockoutMax, failWindow)
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}
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authH := newAuthHandler(authHandlerDeps{
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Logger: deps.Logger,
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Users: userRepo,
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Verifications: verifRepo,
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Resets: resetRepo,
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Refreshes: refreshRepo,
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Hasher: hasher,
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Signer: signer,
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Emails: emails,
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Lockout: lockout,
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Limiter: limiter,
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PublicBaseURL: deps.PublicBaseURL,
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EmailVerificationTTL: deps.EmailVerificationTTL,
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PasswordResetTTL: deps.PasswordResetTTL,
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RefreshTTL: deps.RefreshTokenTTL,
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CookieDomain: deps.RefreshCookieDomain,
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CookieSecure: deps.RefreshCookieSecure,
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})
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return &Server{
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logger: deps.Logger,
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db: deps.DB,
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hub: hub,
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authH: authH,
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me: &meHandler{users: userRepo},
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events: &eventHandler{repo: eventRepo, enforcer: enforcer},
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guests: &guestHandler{guests: guestRepo, events: eventRepo, enforcer: enforcer},
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tokens: &tokenHandler{
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logger: deps.Logger,
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guests: guestRepo,
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tokens: tokenRepo,
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events: eventRepo,
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users: userRepo,
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accessLogs: accessRepo,
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rsvps: rsvpRepo,
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gen: auth.NewGenerator(),
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ttl: deps.TokenTTL,
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pub: deps.AccessPublisher,
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invitations: deps.InvitationPublisher,
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publicBaseURL: deps.PublicBaseURL,
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},
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rsvps: &rsvpHandler{
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logger: deps.Logger,
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guests: guestRepo,
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tokens: tokenRepo,
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events: eventRepo,
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rsvps: rsvpRepo,
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accessLogs: accessRepo,
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scorer: deps.FraudScorer,
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pub: deps.RSVPPublisher,
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},
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activity: &activityHandler{
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events: eventRepo,
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rsvps: rsvpRepo,
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accessLogs: accessRepo,
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},
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ws: &wsHandler{logger: deps.Logger, hub: hub, tickets: wsTickets},
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wsTicket: &wsTicketHandler{tickets: wsTickets, events: eventRepo},
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health: &healthHandler{pool: deps.DB.Pool},
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signer: signer,
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limiter: limiter,
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unsub: &unsubscribeHandler{
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logger: deps.Logger,
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signer: deps.UnsubscribeSigner,
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suppress: deps.SuppressionRepo,
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},
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webhooks: &webhookHandler{
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logger: deps.Logger,
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notifs: deps.NotificationRepo,
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suppress: deps.SuppressionRepo,
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},
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csv: &csvImportHandler{guests: guestRepo, events: eventRepo, enforcer: enforcer},
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billing: &billingHandler{
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logger: deps.Logger,
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stripe: deps.StripeClient,
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users: userRepo,
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subscriptions: subRepo,
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publicBaseURL: deps.PublicBaseURL,
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},
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stripeWH: &stripeWebhookHandler{
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logger: deps.Logger,
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stripe: deps.StripeClient,
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subs: subRepo,
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},
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privacy: &privacyHandler{
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logger: deps.Logger,
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users: userRepo,
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events: eventRepo,
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guests: guestRepo,
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tokens: tokenRepo,
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rsvps: rsvpRepo,
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access: accessRepo,
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notifs: deps.DB,
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refresh: refreshRepo,
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},
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}, nil
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}
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func (s *Server) Hub() *Hub { return s.hub }
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func (s *Server) Handler() http.Handler {
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mux := http.NewServeMux()
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mux.HandleFunc("GET /health", s.health.live)
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mux.HandleFunc("GET /health/ready", s.health.ready)
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// Per-route rate limiters (no-op when Redis isn't wired).
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authed := requireAuth(s.signer)
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rl := func(name string, limit int, window time.Duration, keyFn KeyFunc, h http.Handler) http.Handler {
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if s.limiter == nil {
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return h
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}
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return s.limiter.Middleware(
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ratelimit.Rule{Name: name, Limit: limit, Window: window},
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keyFn,
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s.logger,
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)(h)
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}
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// Anonymous auth endpoints — POST /auth/login + /auth/forgot-password
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// rate-limit inside the handler (key includes the email body field).
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mux.Handle("POST /auth/signup",
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rl("auth_signup", 5, time.Hour, ipKey, http.HandlerFunc(s.authH.signup)))
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mux.HandleFunc("POST /auth/login", s.authH.login)
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mux.HandleFunc("POST /auth/refresh", s.authH.refresh)
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mux.HandleFunc("POST /auth/logout", s.authH.logout)
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mux.HandleFunc("POST /auth/verify-email", s.authH.verifyEmail)
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mux.HandleFunc("POST /auth/forgot-password", s.authH.forgotPassword)
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mux.HandleFunc("POST /auth/reset-password", s.authH.resetPassword)
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mux.Handle("GET /me", authed(http.HandlerFunc(s.me.get)))
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mux.Handle("POST /auth/ws-ticket", authed(http.HandlerFunc(s.wsTicket.issue)))
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// Privacy / GDPR-style endpoints — host can export their data,
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// delete their account, and record terms acceptance from the
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// onboarding gate.
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mux.Handle("GET /me/data-export", authed(http.HandlerFunc(s.privacy.dataExport)))
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mux.Handle("DELETE /me", authed(http.HandlerFunc(s.privacy.deleteMe)))
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mux.Handle("POST /me/accept-terms", authed(http.HandlerFunc(s.privacy.acceptTerms)))
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// Host-facing event/guest/token writes are limited by user_id.
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mux.Handle("POST /events",
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authed(rl("events_create", 20, 24*time.Hour, userIDKey, http.HandlerFunc(s.events.create))))
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mux.Handle("GET /events", authed(http.HandlerFunc(s.events.list)))
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mux.Handle("GET /events/{id}", authed(http.HandlerFunc(s.events.get)))
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mux.Handle("PATCH /events/{id}", authed(http.HandlerFunc(s.events.update)))
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mux.Handle("DELETE /events/{id}", authed(http.HandlerFunc(s.events.delete)))
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mux.Handle("POST /events/{id}/guests",
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authed(rl("guests_create", 1000, 24*time.Hour, userIDKey, http.HandlerFunc(s.guests.create))))
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mux.Handle("GET /events/{id}/guests", authed(http.HandlerFunc(s.guests.list)))
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mux.Handle("PATCH /events/{id}/guests/{guest_id}",
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authed(rl("guests_update", 500, 24*time.Hour, userIDKey, http.HandlerFunc(s.guests.update))))
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mux.Handle("DELETE /events/{id}/guests/{guest_id}",
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authed(rl("guests_delete", 200, 24*time.Hour, userIDKey, http.HandlerFunc(s.guests.delete))))
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// CSV import (Block E). Preview is cheap (no DB writes), so we keep
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// its budget separate from commit's daily-row-add limit.
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mux.Handle("POST /events/{id}/guests/import/preview",
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authed(rl("guests_import_preview", 30, time.Hour, userIDKey, http.HandlerFunc(s.csv.preview))))
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mux.Handle("POST /events/{id}/guests/import",
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authed(rl("guests_import_commit", 20, 24*time.Hour, userIDKey, http.HandlerFunc(s.csv.commit))))
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mux.Handle("GET /events/{id}/guests/import/template", authed(http.HandlerFunc(s.csv.template)))
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mux.Handle("GET /events/{id}/activity", authed(http.HandlerFunc(s.activity.list)))
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mux.Handle("POST /events/{id}/guests/{guest_id}/tokens",
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authed(rl("tokens_issue", 500, 24*time.Hour, userIDKey, http.HandlerFunc(s.tokens.issue))))
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mux.Handle("POST /events/{id}/guests/{guest_id}/tokens/rotate",
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authed(rl("tokens_rotate", 200, 24*time.Hour, userIDKey, http.HandlerFunc(s.tokens.rotate))))
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mux.Handle("POST /events/{id}/guests/invitations/bulk",
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authed(rl("tokens_bulk", 10, 24*time.Hour, userIDKey, http.HandlerFunc(s.tokens.bulkIssue))))
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// Guest-facing endpoints — rate-limited by the access token in the URL
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// path so an attacker hammering a single invitation is slowed regardless
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// of their source IP.
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mux.Handle("GET /access/{token}",
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rl("access", 60, time.Hour, pathKey("token"), http.HandlerFunc(s.tokens.access)))
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mux.Handle("POST /rsvp/{token}",
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rl("rsvp", 10, time.Hour, pathKey("token"), http.HandlerFunc(s.rsvps.submit)))
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// Block A: edits are bounded by MaxRSVPEdits server-side. The redis
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// limiter is a coarser guard that also throttles attempts that hit the
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// edit-cap 429 path, so a hostile actor can't burn through fraud-engine
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// calls on the same token.
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mux.Handle("PATCH /rsvp/{token}",
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rl("rsvp_edit", 10, time.Hour, pathKey("token"), http.HandlerFunc(s.rsvps.edit)))
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// Host view of the edit trail for a single guest.
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mux.Handle("GET /events/{id}/guests/{guest_id}/rsvp/history",
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authed(http.HandlerFunc(s.rsvps.history)))
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// WebSocket endpoint authenticates via single-use ticket on the query
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// string (see POST /auth/ws-ticket).
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mux.HandleFunc("GET /ws/events/{id}", s.ws.handle)
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// Unsubscribe (signed token, no auth required — links live in emails).
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mux.HandleFunc("GET /unsubscribe/{token}", s.unsub.preview)
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mux.HandleFunc("POST /unsubscribe/{token}", s.unsub.confirm)
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// Provider webhooks. Signature verification is enforced in the handler
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// once GG_TWILIO_AUTH_TOKEN / GG_SES_WEBHOOK_SECRET are set.
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mux.HandleFunc("POST /webhooks/twilio/status", s.webhooks.twilio)
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mux.HandleFunc("POST /webhooks/ses/notifications", s.webhooks.ses)
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// Billing (Block F). /billing/status is safe for everyone — returns
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// free tier defaults when Stripe is unconfigured or the user has no
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// subscription, so the frontend's plan page always has something to
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// render. The action endpoints (checkout, portal) return 503 in dev
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// without Stripe credentials.
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mux.Handle("GET /billing/status", authed(http.HandlerFunc(s.billing.status)))
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mux.Handle("POST /billing/checkout-session", authed(http.HandlerFunc(s.billing.checkoutSession)))
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mux.Handle("POST /billing/portal", authed(http.HandlerFunc(s.billing.portalSession)))
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mux.HandleFunc("POST /webhooks/stripe", s.stripeWH.handle)
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mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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writeError(w, http.StatusNotFound, "not found")
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})
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var h http.Handler = mux
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h = corsMiddleware(h)
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h = loggingMiddleware(s.logger)(h)
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h = recoverMiddleware(s.logger)(h)
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return h
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}
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// Permissive CORS for the dev frontend on a different origin. In production
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// the frontend is served from the same domain so this is largely a no-op.
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func corsMiddleware(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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origin := r.Header.Get("Origin")
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if origin != "" {
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w.Header().Set("Access-Control-Allow-Origin", origin)
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w.Header().Set("Access-Control-Allow-Credentials", "true")
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w.Header().Set("Vary", "Origin")
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PATCH, DELETE, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization, X-Device-Fingerprint")
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}
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if r.Method == http.MethodOptions {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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