parse env

src/config.rs

@@ -8,9 +8,36 @@ use std::collections::HashMap;
 use std::env;
 use std::fs::File;
 use std::io::Read;
-use std::path::PathBuf;
+use std::path::{PathBuf, Path};
 use std::process::Command;
 
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct EnvConfig {
+    credential_id: String,
+    uuid: String,
+    salt: String,
+    mapper_name: String,
+    password_helper: String
+}
+
+impl Into<Config> for EnvConfig {
+    fn into(self) -> Config {
+        Config{
+            credential_id: self.credential_id,
+            device: format!("/dev/disk/by-uuid/{}", self.uuid).into(),
+            mapper_name: self.mapper_name,
+            password_helper: PasswordHelper::Script(self.password_helper),
+            input_salt: if PathBuf::from(&self.salt).exists() {
+                InputSalt::File { path: self.salt.into() }
+            } else {
+                InputSalt::AskPassword
+            }
+        }
+    }
+}
+
+
 #[derive(Debug, Deserialize, Serialize)]
 pub struct Config {
     pub credential_id: String,