Initial Commit

read.go

@@ -0,0 +1,55 @@
+package dynamiclistener
+
+import (
+	"fmt"
+	"io/ioutil"
+	"path/filepath"
+)
+
+func ReadTLSConfig(userConfig *UserConfig) error {
+	var err error
+
+	path := userConfig.CertPath
+
+	userConfig.CACerts, err = readPEM(filepath.Join(path, "cacerts.pem"))
+	if err != nil {
+		return err
+	}
+
+	userConfig.Key, err = readPEM(filepath.Join(path, "key.pem"))
+	if err != nil {
+		return err
+	}
+
+	userConfig.Cert, err = readPEM(filepath.Join(path, "cert.pem"))
+	if err != nil {
+		return err
+	}
+
+	userConfig.Mode = "https"
+	if len(userConfig.Domains) > 0 {
+		userConfig.Mode = "acme"
+	}
+
+	valid := false
+	if userConfig.Key != "" && userConfig.Cert != "" {
+		valid = true
+	} else if userConfig.Key == "" && userConfig.Cert == "" {
+		valid = true
+	}
+
+	if !valid {
+		return fmt.Errorf("invalid SSL configuration found, please set cert/key, cert/key/cacerts, cacerts only, or none")
+	}
+
+	return nil
+}
+
+func readPEM(path string) (string, error) {
+	content, err := ioutil.ReadFile(path)
+	if err != nil {
+		return "", nil
+	}
+
+	return string(content), nil
+}