handle app state file and detee dir

Cargo.lock

@@ -273,6 +273,7 @@ dependencies = [
  "detee-shared",
  "env_logger",
  "flate2",
+ "home",
  "log",
  "prost",
  "prost-types",
@@ -534,6 +535,15 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "home"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589533453244b0995c858700322199b2becb13b627df2851f64a2775d024abcf"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "http"
 version = "1.2.0"

Cargo.toml

@@ -22,6 +22,7 @@ log = "0.4.25"
 serde = "1.0.217"
 serde_json = "1.0.138"
 serde_yml = "0.0.12"
+home = "0.5.11"
 
 [build-dependencies]
 tonic-build = "0.12.3"

src/data.rs

@@ -9,7 +9,7 @@ use serde::{Deserialize, Serialize};
 
 use crate::container::delete_enclave;
 use crate::container::deploy_enclave;
-use crate::global::APP_CONFIG_DIR;
+use crate::global::app_config_dir;
 use crate::global::APP_NAME_PREFIX;
 use crate::utils::handle_package;
 use crate::utils::prepare_port_map;
@@ -100,7 +100,10 @@ impl App {
     }
 
     fn write_config(&self) -> Result<()> {
-        let mut file = File::create(APP_CONFIG_DIR.to_string() + &self.uuid + ".yaml")?;
+        let app_config_dir = app_config_dir();
+        std::fs::create_dir_all(&app_config_dir)?;
+
+        let mut file = File::create(app_config_dir + &self.uuid + ".yaml")?;
         file.write_all(serde_yml::to_string(self)?.as_bytes())?;
         Ok(())
     }

src/global.rs

@@ -6,5 +6,11 @@ pub const PACKAGE_ARCHIVE_DIR_PATH: &str = "./enclave_archives";
 pub const PACKAGE_DIR_PATH: &str = "./enclaves";
 
 pub const APP_NAME_PREFIX: &str = "dtpm";
-// TODO: handle this home directory properly
-pub const APP_CONFIG_DIR: &str = "~/.dtpm/app_daemon/";
+
+const DETEE_DIR_ENV_NAME: &str = "DETEE_DIR";
+
+// TODO: try lazy static later
+pub fn app_config_dir() -> String {
+    let home = home::home_dir().unwrap().to_string_lossy().into_owned();
+    std::env::var(DETEE_DIR_ENV_NAME).unwrap_or(format!("{home}/.detee/app_daemon/"))
+}

src/main.rs

@@ -14,7 +14,7 @@ use detee_shared::pb::brain::DaemonMessageApp;
 use detee_shared::pb::brain::MappedPort;
 use detee_shared::pb::brain::NewAppRes;
 use detee_shared::types::brain::AppDeployConfig;
-use global::APP_CONFIG_DIR;
+use global::app_config_dir;
 use log::info;
 use std::time::Duration;
 use tokio::sync::mpsc::Receiver;
@@ -106,10 +106,13 @@ impl AppHandler {
     }
 
     async fn handle_del_app_req(&mut self, uuid: String) -> Result<()> {
-        let content = std::fs::read_to_string(APP_CONFIG_DIR.to_string() + &uuid + ".yaml")?;
+        let app_config_dir = app_config_dir();
+        let app_handle_file_name = format!("{app_config_dir}{}.yaml", &uuid);
+        let content = std::fs::read_to_string(&app_handle_file_name)?;
         let app_instance: App = serde_yml::from_str(&content)?;
 
         app_instance.delete_app(&mut self.host_resource).await?;
+        std::fs::remove_file(&app_handle_file_name)?;
 
         if let Err(er) = cleanup_enclave_disk_and_package(uuid).await {
             log::error!("Failed to cleanup disk:\n{er}");