change passeord

src/main.rs

@@ -46,7 +46,10 @@ enum Commands {
     Edit(ItemIdArgs),
 
     /// Delete item
-    Delete(ItemIdArgs)
+    Delete(ItemIdArgs),
+    
+    /// Set new passphrase
+    Password
 
 }
 
@@ -121,10 +124,7 @@ impl MPS {
         Ok(ps)
     }
 
-    fn init() -> io::Result<()> {
-        if Storage::is_inited()? {
-            return Err(io::Error::new(io::ErrorKind::AlreadyExists, "Reinitialization attempted"));
-        }
+    fn read_new_password() -> io::Result<String> {
         let passphrase;
         loop {
             match MPS::prompt_new_password() {
@@ -138,8 +138,15 @@ impl MPS {
                 }
             }
         }
-        Storage::init(passphrase)?;
-        Ok(())
+        Ok(passphrase)
+    }
+
+    fn init() -> io::Result<()> {
+        if Storage::is_inited()? {
+            return Err(io::Error::new(io::ErrorKind::AlreadyExists, "Reinitialization attempted"));
+        }
+        let passphrase = MPS::read_new_password()?;
+        Storage::init(passphrase)
     }
 
     pub fn login(&mut self) -> io::Result<()> {
@@ -156,6 +163,14 @@ impl MPS {
         Ok(())
     }
 
+    pub fn password(&mut self) -> io::Result<()> {
+        self.login()?;
+        let st = self.storage.as_ref().unwrap();
+        let passphrase = MPS::read_new_password()?;
+        let new_st = st.new_from_passphrase(&passphrase);
+        new_st.dump()
+    }
+
     fn list(&mut self) -> io:: Result<()> {
         self.login()?;
         let ids = self.storage.as_ref().unwrap().ids();
@@ -176,8 +191,7 @@ impl MPS {
         self.login()?;
         let st = self.storage.as_ref().unwrap();
         let item = st.get(id);
-        editor::open_to_show(&item.content)?;
-        Ok(())
+        editor::open_to_show(&item.content)
     }
 
     fn add(&mut self, id: &String) -> io::Result<()> {
@@ -196,8 +210,7 @@ impl MPS {
         // set empty string because there is no content yet
         let content = editor::open_to_edit(&String::from(""))?;
         st.add(Item::from(id.clone(), content));
-        st.dump()?;
-        Ok(())
+        st.dump()
     }
 
     /// Edit item, id need not to exist
@@ -218,8 +231,7 @@ impl MPS {
         let new_content = editor::open_to_edit(&item.content)?;
         item.content = new_content;
         st.update(item);
-        st.dump()?;
-        Ok(())
+        st.dump()
     }
 
     // Delete item by id, is must exist
@@ -227,8 +239,7 @@ impl MPS {
         self.login()?;
         let st = self.storage.as_mut().unwrap();
         st.remove(id);
-        st.dump()?;
-        Ok(())
+        st.dump()
     }
 
     /// Resolve id by ItemArgs.
@@ -292,6 +303,10 @@ fn run_command() -> io::Result<()> {
             let id = mps.item_id_by_item_id_args(args, true)?;
             mps.delete(&id)?;
         }
+        Some(Commands::Password) => {
+            let mut mps = MPS::new();
+            mps.password()?;
+        }
         None => {
             match Storage::check_installed() {
                 Ok(()) => (),

src/storage.rs

@@ -242,5 +242,12 @@ impl Storage {
         Ok(())
     }
 
+    pub fn new_from_passphrase(&self, passphrase: &String) -> Storage {
+        return Storage {
+            encoder: Encoder::from(passphrase),
+            items: self.items.clone()
+        }
+    }
+
 }