Merge pull request #6 from omekina/dev

Hide password input

Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 [dependencies]
 base64 = "0.21.5"
 native-tls = "0.2.11"
+rpassword = "7.3"

README.md

@@ -20,7 +20,7 @@ smail init
 This will guide us through config file creation. If you wish you can change it manually.
 The config file should be located in `~/.smailconf`.
 
-The `smail init` command will openly prompt for your password and the password will
+The `smail init` command will prompt for your password and the password will
 be written in plaintext into the config file. So please keep that in mind.
 
 ### 2. Create a test mail

src/config/maker.rs

@@ -101,7 +101,11 @@ pub fn init(filepath: &String, arguments: &Vec<String>) -> bool {
 
     // Get information from user
     let user_input = match io::input::read_items(
-        vec!["SMTP server hostname", "Your username", "Your password"]
+        vec![
+            io::input::InputItem::Normal("SMTP server hostname"),
+            io::input::InputItem::Normal("Your username"),
+            io::input::InputItem::Hidden("Your password"),
+        ]
     ) {
         Some(value) => value,
         None => {

src/io/input.rs

@@ -1,16 +1,41 @@
+extern crate rpassword;
+
+
+use rpassword::read_password;
 use std::io::{stdin, stdout, Write};
 
-pub fn read_items(prompts: Vec<&str>) -> Option<Vec<String>> {
+
+/**
+Input item for command line inputs with prompts.
+*/
+pub enum InputItem {
+    Normal(&'static str),
+    Hidden(&'static str),
+}
+
+
+/**
+Read specified items to the command line.
+*/
+pub fn read_items(prompts: Vec<InputItem>) -> Option<Vec<String>> {
     let mut result = Vec::new();
-    for prompt in prompts {
+
+    for current_input in prompts {
         let mut line = String::new();
-        print!("{}: ", prompt);
+
+        print!("{}: ", match current_input {
+            InputItem::Normal(value) => value,
+            InputItem::Hidden(value) => value,
+        });
         stdout().flush().unwrap();
-        match stdin().read_line(&mut line) {
-            Ok(_) => {},
-            Err(_) => return None,
+
+        match current_input {
+            InputItem::Normal(_) => { let _ = stdin().read_line(&mut line).ok()?; },
+            InputItem::Hidden(_) => line = read_password().ok()?,
         };
+
         result.push(line);
     }
+
     return Some(result);
 }