Initial commit: wb-mock skeleton

internal/config/config.go

@@ -0,0 +1,22 @@
+package config
+
+import "os"
+
+type Config struct {
+	Port   string
+	APIKey string
+}
+
+func Load() *Config {
+	return &Config{
+		Port:   getEnv("PORT", "8080"),
+		APIKey: os.Getenv("WB_API_KEY"),
+	}
+}
+
+func getEnv(key, defaultVal string) string {
+	if val := os.Getenv(key); val != "" {
+		return val
+	}
+	return defaultVal
+}

internal/handlers/handlers.go

@@ -0,0 +1,22 @@
+package handlers
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+)
+
+func writeJSON(w http.ResponseWriter, status int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(v)
+}
+
+func decodeBody(r *http.Request, v any) error {
+	defer r.Body.Close()
+	return json.NewDecoder(r.Body).Decode(v)
+}
+
+func logRequest(r *http.Request) {
+	log.Printf("[wb-mock] %s %s", r.Method, r.URL.Path)
+}

internal/middleware/auth.go

@@ -0,0 +1,33 @@
+package middleware
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func Auth(expectedAPIKey string, next http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		apiKey := r.Header.Get("Authorization")
+
+		if apiKey == "" {
+			writeError(w, 401, "missing credentials: Authorization header is required")
+			return
+		}
+
+		if expectedAPIKey != "" && apiKey != expectedAPIKey {
+			writeError(w, 403, "invalid api key")
+			return
+		}
+
+		next(w, r)
+	}
+}
+
+func writeError(w http.ResponseWriter, code int, msg string) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(code)
+	json.NewEncoder(w).Encode(map[string]any{
+		"code":    code,
+		"message": msg,
+	})
+}