main: move initDir into its own file

1 files changed, 56 insertions, 0 deletions

diff --git a/init_dir.go b/init_dir.go
new file mode 100644
index 0000000..11abe50
--- /dev/null
+++ b/init_dir.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/rfjakob/gocryptfs/internal/configfile"
+	"github.com/rfjakob/gocryptfs/internal/nametransform"
+	"github.com/rfjakob/gocryptfs/internal/readpassword"
+	"github.com/rfjakob/gocryptfs/internal/tlog"
+)
+
+// initDir initializes an empty directory for use as a gocryptfs cipherdir.
+func initDir(args *argContainer) {
+	err := checkDirEmpty(args.cipherdir)
+	if err != nil {
+		tlog.Fatal.Printf("Invalid cipherdir: %v", err)
+		os.Exit(ERREXIT_INIT)
+	}
+
+	// Create gocryptfs.conf
+	if args.extpass == "" {
+		tlog.Info.Printf("Choose a password for protecting your files.")
+	} else {
+		tlog.Info.Printf("Using password provided via -extpass.")
+	}
+	password := readpassword.Twice(args.extpass)
+	creator := tlog.ProgramName + " " + GitVersion
+	err = configfile.CreateConfFile(args.config, password, args.plaintextnames, args.scryptn, creator)
+	if err != nil {
+		tlog.Fatal.Println(err)
+		os.Exit(ERREXIT_INIT)
+	}
+
+	if !args.plaintextnames {
+		// Create gocryptfs.diriv in the root dir
+		err = nametransform.WriteDirIV(args.cipherdir)
+		if err != nil {
+			tlog.Fatal.Println(err)
+			os.Exit(ERREXIT_INIT)
+		}
+	}
+
+	tlog.Info.Printf(tlog.ColorGreen + "The filesystem has been created successfully." + tlog.ColorReset)
+	wd, _ := os.Getwd()
+	friendlyPath, _ := filepath.Rel(wd, args.cipherdir)
+	if strings.HasPrefix(friendlyPath, "../") {
+		// A relative path that starts with "../" is pretty unfriendly, just
+		// keep the absolute path.
+		friendlyPath = args.cipherdir
+	}
+	tlog.Info.Printf(tlog.ColorGrey+"You can now mount it using: %s %s MOUNTPOINT"+tlog.ColorReset,
+		tlog.ProgramName, friendlyPath)
+	os.Exit(0)
+}