Continued e-mail support

server/visitor.go

@@ -17,6 +17,7 @@ const (
 // visitor represents an API user, and its associated rate.Limiter used for rate limiting
 type visitor struct {
 	config        *Config
+	ip            string
 	requests      *rate.Limiter
 	emails        *rate.Limiter
 	subscriptions *util.Limiter
@@ -24,9 +25,10 @@ type visitor struct {
 	mu            sync.Mutex
 }
 
-func newVisitor(conf *Config) *visitor {
+func newVisitor(conf *Config, ip string) *visitor {
 	return &visitor{
 		config:        conf,
+		ip:            ip,
 		requests:      rate.NewLimiter(rate.Every(conf.VisitorRequestLimitReplenish), conf.VisitorRequestLimitBurst),
 		emails:        rate.NewLimiter(rate.Every(conf.VisitorEmailLimitReplenish), conf.VisitorEmailLimitBurst),
 		subscriptions: util.NewLimiter(int64(conf.VisitorSubscriptionLimit)),
@@ -34,6 +36,10 @@ func newVisitor(conf *Config) *visitor {
 	}
 }
 
+func (v *visitor) IP() string {
+	return v.ip
+}
+
 func (v *visitor) RequestAllowed() error {
 	if !v.requests.Allow() {
 		return errHTTPTooManyRequests