Allow automatic generation of GPG keys

src/offline/init.go

@@ -12,13 +12,7 @@ func TempInit(configFileMap map[string]string) {
 	dirInit()
 
 	// remove existing config file
-	err := os.Remove(ConfigPath)
-	if err != nil {
-		// ignore error if file does not exist
-		if !os.IsNotExist(err) {
-			fmt.Println(AnsiError + "Failed to remove existing libmutton.ini:" + err.Error() + AnsiReset)
-		}
-	}
+	removeFile(ConfigPath)
 
 	// ensure textEditor is set
 	if configFileMap["textEditor"] == "" {
@@ -54,3 +48,20 @@ func GpgUIDListGen() []string {
 	}
 	return uidSlice
 }
+
+// GpgKeyGen generates a new GPG key and returns the key ID as a string
+func GpgKeyGen() string {
+	createFile(ConfigDir+"/gpg-gen", []string{"Key-Type: eddsa", "Key-Curve: ed25519", "Key-Usage: sign", "Subkey-Type: ecdh", "Subkey-Curve: cv25519", "Subkey-Usage: encrypt", "Name-Real: libmutton", "Name-Comment: gpg-libmutton", "Name-Email: github.com/rwinkhart/libmutton", "Expire-Date: 0"})
+	cmd := exec.Command("gpg", "-q", "--batch", "--generate-key", ConfigDir+"/gpg-gen")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Stdin = os.Stdin
+	cmd.Run()
+
+	cmd = exec.Command("gpg", "-k", "--with-colons")
+	gpgOutputBytes, _ := cmd.Output()
+	gpgOutputLines := strings.Split(string(gpgOutputBytes), "\n")
+	uid := strings.Split(gpgOutputLines[len(gpgOutputLines)-4], ":")[9]
+	fmt.Println(uid)
+	return uid
+}