Add logout, only login if not already logged in (#91)

Also:
- Ensures that a key is generated as soon as a user registers!
- Ensures that "atuin key" will generate a key if needed, and doesn't
  double base64 encode data

And a few other little fixes :)

Resolves #85
Resolves #86

1 files changed, 11 insertions, 1 deletions

diff --git a/src/command/login.rs b/src/command/login.rs
index eacb2105..9a144580 100644
--- a/src/command/login.rs
+++ b/src/command/login.rs
@@ -22,6 +22,16 @@ pub struct Cmd {
 
 impl Cmd {
     pub fn run(&self, settings: &Settings) -> Result<()> {
+        let session_path = atuin_common::utils::data_dir().join("session");
+
+        if session_path.exists() {
+            println!(
+                "You are already logged in! Please run 'atuin logout' if you wish to login again"
+            );
+
+            return Ok(());
+        }
+
         let session = api_client::login(
             settings.sync_address.as_str(),
             self.username.as_str(),
@@ -34,7 +44,7 @@ impl Cmd {
 
         let key_path = settings.key_path.as_str();
         let mut file = File::create(key_path)?;
-        file.write_all(&base64::decode(self.key.clone())?)?;
+        file.write_all(self.key.as_bytes())?;
 
         println!("Logged in!");