updated app build

golangproxy/config/config.go

@@ -0,0 +1,65 @@
+package config
+
+import (
+	"os"
+
+	"gopkg.in/yaml.v2"
+)
+
+// Config represents the application configuration
+type Config struct {
+	ListenHTTP      string            `yaml:"listen_http"`       // HTTP listen address (e.g., ":80")
+	ListenHTTPS     string            `yaml:"listen_https"`      // HTTPS listen address (e.g., ":443")
+	CertFile        string            `yaml:"cert_file"`         // Path to SSL certificate
+	KeyFile         string            `yaml:"key_file"`          // Path to SSL key
+	Routes          map[string]string `yaml:"routes"`            // Host to target URL mappings
+	TrustTarget     map[string]bool   `yaml:"trust_target"`      // Whether to trust invalid target certs
+	NoHTTPSRedirect map[string]bool   `yaml:"no_https_redirect"` // Disable HTTP to HTTPS redirect
+}
+
+// LoadConfig loads the config from file or creates a default one
+func LoadConfig(configPath string) (*Config, error) {
+	if _, err := os.Stat(configPath); os.IsNotExist(err) {
+		// Create default configuration
+		defaultConfig := &Config{
+			ListenHTTP:  ":80",
+			ListenHTTPS: ":443",
+			CertFile:    "./crt/certificate.pem",
+			KeyFile:     "./crt/key.pem",
+			Routes: map[string]string{
+				"*":                "http://127.0.0.1:61147",      // accespt all route
+				"main.example.com": "https://10.100.111.254:4444", // Specific route
+				"gg.example.com":   "https://example.com:443",
+			},
+			TrustTarget: map[string]bool{
+				"*":                true, // true = trust any certificates on target url
+				"main.example.com": true,
+				"gg.example.com":   false, // trusting target cetificate disabled
+			},
+			NoHTTPSRedirect: map[string]bool{
+				"*":                false, // false = HTTP redirected to HTTPS automatically
+				"main.example.com": false,
+				"gg.example.com":   true, // no automatic redirect to HTTPS from HTTP
+			},
+		}
+		data, err := yaml.Marshal(defaultConfig)
+		if err != nil {
+			return nil, err
+		}
+		if err := os.WriteFile(configPath, data, 0644); err != nil {
+			return nil, err
+		}
+		return defaultConfig, nil
+	}
+
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		return nil, err
+	}
+
+	var config Config
+	if err := yaml.Unmarshal(data, &config); err != nil {
+		return nil, err
+	}
+	return &config, nil
+}