Initial

backend/internal/rest/context.go

@@ -0,0 +1,40 @@
+package rest
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+
+	"goAuth/internal/auth"
+	"goAuth/internal/user"
+)
+
+func userFromRequest(r *http.Request) *user.User {
+	value := r.Context().Value(auth.UserKey)
+	if value == nil {
+		return nil
+	}
+	u, _ := value.(*user.User)
+	return u
+}
+
+func sessionFromRequest(r *http.Request) *auth.Session {
+	value := r.Context().Value(auth.SessionKey)
+	if value == nil {
+		return nil
+	}
+	session, _ := value.(*auth.Session)
+	return session
+}
+
+func clientAddress(r *http.Request) string {
+	host, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err != nil {
+		return r.RemoteAddr
+	}
+	return host
+}
+
+func formatUserId(id int64) string {
+	return fmt.Sprintf("user-%d", id)
+}