TUN-528: Move cloudflared into a separate repo

vendor/github.com/mholt/caddy/assets.go

@@ -0,0 +1,48 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package caddy
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+)
+
+// AssetsPath returns the path to the folder
+// where the application may store data. If
+// CADDYPATH env variable is set, that value
+// is used. Otherwise, the path is the result
+// of evaluating "$HOME/.caddy".
+func AssetsPath() string {
+	if caddyPath := os.Getenv("CADDYPATH"); caddyPath != "" {
+		return caddyPath
+	}
+	return filepath.Join(userHomeDir(), ".caddy")
+}
+
+// userHomeDir returns the user's home directory according to
+// environment variables.
+//
+// Credit: http://stackoverflow.com/a/7922977/1048862
+func userHomeDir() string {
+	if runtime.GOOS == "windows" {
+		home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
+		if home == "" {
+			home = os.Getenv("USERPROFILE")
+		}
+		return home
+	}
+	return os.Getenv("HOME")
+}