Add some auth tests

Former-commit-id: 7a6286d40a95a16af483ba4e253e020805647ac8 [formerly b9c0c7b3dfc13391a82e05eb1a7be94d067b1327] [formerly ed44abc1ba59afc19e402eeb5ab42ffeeff80d23 [formerly e6e1984c47]]
Former-commit-id: 13290a47d1dd5f4218b873951b4ddb798cd54dd2 [formerly 27db473259f4927be4bfd55b88e57fb87814d8d1]
Former-commit-id: 2ef8c236e62859b8cacef5b5e679780de7f22add

file.go

@@ -9,6 +9,7 @@ import (
 	"crypto/sha512"
 	"encoding/hex"
 	"errors"
+	"fmt"
 	"hash"
 	"io"
 	"io/ioutil"
@@ -445,3 +446,68 @@ func editorLanguage(mode string) string {
 
 	return mode
 }
+
+func copyFile(source string, dest string) (err error) {
+	sourcefile, err := os.Open(source)
+	if err != nil {
+		return err
+	}
+
+	defer sourcefile.Close()
+
+	destfile, err := os.Create(dest)
+	if err != nil {
+		return err
+	}
+
+	defer destfile.Close()
+
+	_, err = io.Copy(destfile, sourcefile)
+	if err == nil {
+		sourceinfo, err := os.Stat(source)
+		if err != nil {
+			err = os.Chmod(dest, sourceinfo.Mode())
+		}
+
+	}
+
+	return
+}
+
+func copyDir(source string, dest string) (err error) {
+	// get properties of source dir
+	sourceinfo, err := os.Stat(source)
+	if err != nil {
+		return err
+	}
+
+	// create dest dir
+	err = os.MkdirAll(dest, sourceinfo.Mode())
+	if err != nil {
+		return err
+	}
+
+	directory, _ := os.Open(source)
+	objects, err := directory.Readdir(-1)
+
+	for _, obj := range objects {
+		sourcefilepointer := source + "/" + obj.Name()
+		destinationfilepointer := dest + "/" + obj.Name()
+
+		if obj.IsDir() {
+			// create sub-directories - recursively
+			err = copyDir(sourcefilepointer, destinationfilepointer)
+			if err != nil {
+				fmt.Println(err)
+			}
+		} else {
+			// perform copy
+			err = copyFile(sourcefilepointer, destinationfilepointer)
+			if err != nil {
+				fmt.Println(err)
+			}
+		}
+	}
+
+	return
+}