From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/dialoguer/src/prompts/password.rs | 194 +++++++++++++++++++++++++++++++ 1 file changed, 194 insertions(+) create mode 100644 vendor/dialoguer/src/prompts/password.rs (limited to 'vendor/dialoguer/src/prompts/password.rs') diff --git a/vendor/dialoguer/src/prompts/password.rs b/vendor/dialoguer/src/prompts/password.rs new file mode 100644 index 0000000..7327605 --- /dev/null +++ b/vendor/dialoguer/src/prompts/password.rs @@ -0,0 +1,194 @@ +use std::io; + +use crate::{ + theme::{SimpleTheme, TermThemeRenderer, Theme}, + validate::PasswordValidator, +}; + +use console::Term; +use zeroize::Zeroizing; + +type PasswordValidatorCallback<'a> = Box Option + 'a>; + +/// Renders a password input prompt. +/// +/// ## Example usage +/// +/// ```rust,no_run +/// # fn test() -> Result<(), Box> { +/// use dialoguer::Password; +/// +/// let password = Password::new().with_prompt("New Password") +/// .with_confirmation("Confirm password", "Passwords mismatching") +/// .interact()?; +/// println!("Length of the password is: {}", password.len()); +/// # Ok(()) } fn main() { test().unwrap(); } +/// ``` +pub struct Password<'a> { + prompt: String, + report: bool, + theme: &'a dyn Theme, + allow_empty_password: bool, + confirmation_prompt: Option<(String, String)>, + validator: Option>, +} + +impl Default for Password<'static> { + fn default() -> Password<'static> { + Self::new() + } +} + +impl Password<'static> { + /// Creates a password input prompt. + pub fn new() -> Password<'static> { + Self::with_theme(&SimpleTheme) + } +} + +impl<'a> Password<'a> { + /// Sets the password input prompt. + pub fn with_prompt>(&mut self, prompt: S) -> &mut Self { + self.prompt = prompt.into(); + self + } + + /// Indicates whether to report confirmation after interaction. + /// + /// The default is to report. + pub fn report(&mut self, val: bool) -> &mut Self { + self.report = val; + self + } + + /// Enables confirmation prompting. + pub fn with_confirmation(&mut self, prompt: A, mismatch_err: B) -> &mut Self + where + A: Into, + B: Into, + { + self.confirmation_prompt = Some((prompt.into(), mismatch_err.into())); + self + } + + /// Allows/Disables empty password. + /// + /// By default this setting is set to false (i.e. password is not empty). + pub fn allow_empty_password(&mut self, allow_empty_password: bool) -> &mut Self { + self.allow_empty_password = allow_empty_password; + self + } + + /// Registers a validator. + /// + /// # Example + /// + /// ```no_run + /// # use dialoguer::Password; + /// let password: String = Password::new() + /// .with_prompt("Enter password") + /// .validate_with(|input: &String| -> Result<(), &str> { + /// if input.len() > 8 { + /// Ok(()) + /// } else { + /// Err("Password must be longer than 8") + /// } + /// }) + /// .interact() + /// .unwrap(); + /// ``` + pub fn validate_with(&mut self, validator: V) -> &mut Self + where + V: PasswordValidator + 'a, + V::Err: ToString, + { + let old_validator_func = self.validator.take(); + + self.validator = Some(Box::new(move |value: &String| -> Option { + if let Some(old) = &old_validator_func { + if let Some(err) = old(value) { + return Some(err); + } + } + + match validator.validate(value) { + Ok(()) => None, + Err(err) => Some(err.to_string()), + } + })); + + self + } + + /// Enables user interaction and returns the result. + /// + /// If the user confirms the result is `true`, `false` otherwise. + /// The dialog is rendered on stderr. + pub fn interact(&self) -> io::Result { + self.interact_on(&Term::stderr()) + } + + /// Like `interact` but allows a specific terminal to be set. + pub fn interact_on(&self, term: &Term) -> io::Result { + let mut render = TermThemeRenderer::new(term, self.theme); + render.set_prompts_reset_height(false); + + loop { + let password = Zeroizing::new(self.prompt_password(&mut render, &self.prompt)?); + + if let Some(ref validator) = self.validator { + if let Some(err) = validator(&password) { + render.error(&err)?; + continue; + } + } + + if let Some((ref prompt, ref err)) = self.confirmation_prompt { + let pw2 = Zeroizing::new(self.prompt_password(&mut render, prompt)?); + + if *password != *pw2 { + render.error(err)?; + continue; + } + } + + render.clear()?; + + if self.report { + render.password_prompt_selection(&self.prompt)?; + } + term.flush()?; + + return Ok((*password).clone()); + } + } + + fn prompt_password(&self, render: &mut TermThemeRenderer, prompt: &str) -> io::Result { + loop { + render.password_prompt(prompt)?; + render.term().flush()?; + + let input = render.term().read_secure_line()?; + + render.add_line(); + + if !input.is_empty() || self.allow_empty_password { + return Ok(input); + } + } + } +} + +impl<'a> Password<'a> { + /// Creates a password input prompt with a specific theme. + pub fn with_theme(theme: &'a dyn Theme) -> Self { + Self { + prompt: "".into(), + report: true, + theme, + allow_empty_password: false, + confirmation_prompt: None, + validator: None, + } + } +} -- cgit v1.2.3