107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
package server
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import (
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"net/http"
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"heckel.io/ntfy/util"
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)
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type contextKey int
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const (
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contextRateVisitor contextKey = iota + 2586
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contextTopic
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contextMatrixPushKey
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contextUnifiedPush
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)
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func (s *Server) limitRequests(next handleFunc) handleFunc {
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return func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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if util.ContainsIP(s.config.VisitorRequestExemptIPAddrs, v.ip) {
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return next(w, r, v)
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} else if !v.RequestAllowed() {
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return errHTTPTooManyRequestsLimitRequests
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}
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return next(w, r, v)
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}
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}
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// limitRequestsWithTopic limits requests with a topic and stores the rate-limiting-subscriber and topic into request.Context
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func (s *Server) limitRequestsWithTopic(next handleFunc) handleFunc {
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return func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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t, err := s.topicFromPath(r.URL.Path)
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if err != nil {
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return err
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}
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vrate := v
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if rateVisitor := t.RateVisitor(); rateVisitor != nil {
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vrate = rateVisitor
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}
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r = withContext(r, map[contextKey]any{
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contextRateVisitor: vrate,
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contextTopic: t,
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})
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if util.ContainsIP(s.config.VisitorRequestExemptIPAddrs, v.ip) {
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return next(w, r, v)
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} else if !vrate.RequestAllowed() {
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return errHTTPTooManyRequestsLimitRequests
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}
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return next(w, r, v)
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}
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}
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func (s *Server) ensureWebEnabled(next handleFunc) handleFunc {
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return func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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if !s.config.EnableWeb {
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return errHTTPNotFound
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}
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return next(w, r, v)
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}
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}
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func (s *Server) ensureUserManager(next handleFunc) handleFunc {
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return func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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if s.userManager == nil {
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return errHTTPNotFound
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}
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return next(w, r, v)
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}
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}
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func (s *Server) ensureUser(next handleFunc) handleFunc {
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return s.ensureUserManager(func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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if v.User() == nil {
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return errHTTPUnauthorized
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}
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return next(w, r, v)
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})
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}
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func (s *Server) ensurePaymentsEnabled(next handleFunc) handleFunc {
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return func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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if s.config.StripeSecretKey == "" || s.stripe == nil {
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return errHTTPNotFound
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}
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return next(w, r, v)
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}
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}
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func (s *Server) ensureStripeCustomer(next handleFunc) handleFunc {
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return s.ensureUser(func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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if v.User().Billing.StripeCustomerID == "" {
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return errHTTPBadRequestNotAPaidUser
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}
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return next(w, r, v)
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})
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}
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func (s *Server) withAccountSync(next handleFunc) handleFunc {
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return func(w http.ResponseWriter, r *http.Request, v *visitor) error {
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err := next(w, r, v)
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if err == nil {
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s.publishSyncEventAsync(v)
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}
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return err
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}
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}
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