AuthActivity refactoring
This commit is contained in:
ChristianVisintin
parent
c33045b4b8
commit
8046f82214
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@ -1,621 +0,0 @@
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//! ## AuthActivity
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//!
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//! `auth_activity` is the module which implements the authentication activity
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/*
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*
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* Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
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*
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* This file is part of "TermSCP"
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*
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* TermSCP is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* TermSCP is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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// Dependencies
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extern crate crossterm;
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extern crate tui;
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extern crate unicode_width;
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// locals
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use super::{Activity, Context};
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use crate::filetransfer::FileTransferProtocol;
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use crate::utils::align_text_center;
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// Includes
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use crossterm::event::Event as InputEvent;
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use crossterm::event::KeyCode;
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use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
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use tui::{
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layout::{Constraint, Corner, Direction, Layout, Rect},
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style::{Color, Modifier, Style},
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text::{Span, Spans, Text},
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widgets::{Block, Borders, Clear, List, ListItem, Paragraph, Tabs},
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};
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use unicode_width::UnicodeWidthStr;
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/// ### InputField
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///
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/// InputField describes the current input field to edit
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#[derive(std::cmp::PartialEq)]
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enum InputField {
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Address,
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Port,
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Protocol,
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Username,
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Password,
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}
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/// ### PopupType
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///
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/// PopupType describes the type of the popup displayed
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#[derive(std::cmp::PartialEq, Clone)]
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enum PopupType {
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Alert(Color, String), // Show a message displaying text with the provided color
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}
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/// ### InputMode
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///
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/// InputMode describes the current input mode
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/// Each input mode handle the input events in a different way
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#[derive(std::cmp::PartialEq)]
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enum InputMode {
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Form,
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Popup(PopupType),
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}
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#[derive(std::cmp::PartialEq)]
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/// ### InputForm
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///
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/// InputForm describes the selected input form
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enum InputForm {
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AuthCredentials,
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}
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/// ### AuthActivity
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///
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/// AuthActivity is the data holder for the authentication activity
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pub struct AuthActivity {
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pub address: String,
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pub port: String,
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pub protocol: FileTransferProtocol,
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pub username: String,
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pub password: String,
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pub submit: bool, // becomes true after user has submitted fields
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pub quit: bool, // Becomes true if user has pressed esc
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context: Option<Context>,
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selected_field: InputField, // Selected field in AuthCredentials Form
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input_mode: InputMode,
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input_form: InputForm,
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password_placeholder: String,
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redraw: bool, // Should ui actually be redrawned?
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}
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impl Default for AuthActivity {
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fn default() -> Self {
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Self::new()
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}
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}
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impl AuthActivity {
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/// ### new
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///
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/// Instantiates a new AuthActivity
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pub fn new() -> AuthActivity {
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AuthActivity {
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address: String::new(),
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port: String::from("22"),
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protocol: FileTransferProtocol::Sftp,
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username: String::new(),
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password: String::new(),
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submit: false,
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quit: false,
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context: None,
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selected_field: InputField::Address,
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input_mode: InputMode::Form,
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input_form: InputForm::AuthCredentials,
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password_placeholder: String::new(),
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redraw: true, // True at startup
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}
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}
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/// ### handle_input_event
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///
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/// Handle input event, based on current input mode
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fn handle_input_event(&mut self, ev: &InputEvent) {
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let popup: Option<PopupType> = match &self.input_mode {
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InputMode::Popup(ptype) => Some(ptype.clone()),
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_ => None,
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};
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match self.input_mode {
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InputMode::Form => self.handle_input_event_mode_form(ev),
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InputMode::Popup(_) => {
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if let Some(ptype) = popup {
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self.handle_input_event_mode_popup(ev, ptype)
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}
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}
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}
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}
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/// ### handle_input_event_mode_form
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///
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/// Handler for input event when in form mode
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fn handle_input_event_mode_form(&mut self, ev: &InputEvent) {
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match self.input_form {
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InputForm::AuthCredentials => self.handle_input_event_mode_form_auth(ev),
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}
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}
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/// ### handle_input_event_mode_form_auth
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///
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/// Handle input event when input mode is Form and Tab is Auth
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fn handle_input_event_mode_form_auth(&mut self, ev: &InputEvent) {
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if let InputEvent::Key(key) = ev {
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match key.code {
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KeyCode::Esc => {
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self.quit = true;
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}
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KeyCode::Enter => {
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// Handle submit
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// Check form
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// Check address
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if self.address.is_empty() {
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self.input_mode = InputMode::Popup(PopupType::Alert(
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Color::Red,
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String::from("Invalid address"),
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));
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return;
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}
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// Check port
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// Convert port to number
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match self.port.parse::<usize>() {
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Ok(val) => {
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if val > 65535 {
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self.input_mode = InputMode::Popup(PopupType::Alert(
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Color::Red,
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String::from("Specified port must be in range 0-65535"),
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));
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return;
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}
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}
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Err(_) => {
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self.input_mode = InputMode::Popup(PopupType::Alert(
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Color::Red,
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String::from("Specified port is not a number"),
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));
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return;
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}
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}
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// Everything OK, set enter
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self.submit = true;
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}
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KeyCode::Backspace => {
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// Pop last char
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match self.selected_field {
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InputField::Address => {
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let _ = self.address.pop();
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}
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InputField::Password => {
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let _ = self.password.pop();
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}
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InputField::Username => {
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let _ = self.username.pop();
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}
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InputField::Port => {
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let _ = self.port.pop();
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}
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_ => { /* Nothing to do */ }
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};
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}
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KeyCode::Up => {
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// Move item up
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self.selected_field = match self.selected_field {
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InputField::Address => InputField::Password, // End of list (wrap)
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InputField::Port => InputField::Address,
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InputField::Protocol => InputField::Port,
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InputField::Username => InputField::Protocol,
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InputField::Password => InputField::Username,
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}
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}
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KeyCode::Down | KeyCode::Tab => {
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// Move item down
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self.selected_field = match self.selected_field {
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InputField::Address => InputField::Port,
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InputField::Port => InputField::Protocol,
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InputField::Protocol => InputField::Username,
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InputField::Username => InputField::Password,
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InputField::Password => InputField::Address, // End of list (wrap)
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}
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}
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KeyCode::Char(ch) => {
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match self.selected_field {
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InputField::Address => self.address.push(ch),
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InputField::Password => self.password.push(ch),
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InputField::Username => self.username.push(ch),
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InputField::Port => {
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// Value must be numeric
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if ch.is_numeric() {
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self.port.push(ch);
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}
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}
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_ => { /* Nothing to do */ }
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}
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}
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KeyCode::Left => {
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// If current field is Protocol handle event... (move element left)
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if self.selected_field == InputField::Protocol {
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self.protocol = match self.protocol {
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FileTransferProtocol::Sftp => FileTransferProtocol::Ftp(true), // End of list (wrap)
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FileTransferProtocol::Scp => FileTransferProtocol::Sftp,
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FileTransferProtocol::Ftp(ftps) => match ftps {
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false => FileTransferProtocol::Scp,
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true => FileTransferProtocol::Ftp(false),
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},
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};
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}
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}
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KeyCode::Right => {
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// If current field is Protocol handle event... ( move element right )
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if self.selected_field == InputField::Protocol {
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self.protocol = match self.protocol {
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FileTransferProtocol::Sftp => FileTransferProtocol::Scp,
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FileTransferProtocol::Scp => FileTransferProtocol::Ftp(false),
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FileTransferProtocol::Ftp(ftps) => match ftps {
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false => FileTransferProtocol::Ftp(true),
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true => FileTransferProtocol::Sftp, // End of list (wrap)
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},
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};
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}
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}
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_ => { /* Nothing to do */ }
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}
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}
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}
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/// ### handle_input_event_mode_text
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///
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/// Handler for input event when in popup mode
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fn handle_input_event_mode_popup(&mut self, ev: &InputEvent, ptype: PopupType) {
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match ptype {
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PopupType::Alert(_, _) => self.handle_input_event_mode_popup_alert(ev),
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}
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}
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/// ### handle_input_event_mode_popup_alert
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///
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/// Handle input event when the input mode is popup, and popup type is alert
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fn handle_input_event_mode_popup_alert(&mut self, ev: &InputEvent) {
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// Only enter should be allowed here
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if let InputEvent::Key(key) = ev {
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if let KeyCode::Enter = key.code {
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self.input_mode = InputMode::Form; // Hide popup
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}
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}
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}
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/// ### draw
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///
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/// Draw UI
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fn draw(&mut self) {
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let mut ctx: Context = self.context.take().unwrap();
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let _ = ctx.terminal.draw(|f| {
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// Prepare chunks
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let chunks = Layout::default()
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.direction(Direction::Vertical)
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.margin(1)
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.constraints(
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[
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Constraint::Percentage(60), // Auth Form
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Constraint::Percentage(40), // Bookmarks
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]
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.as_ref(),
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)
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.split(f.size());
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// Create explorer chunks
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let auth_chunks = Layout::default()
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.constraints(
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[
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Constraint::Length(5),
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Constraint::Length(3),
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Constraint::Length(3),
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Constraint::Length(3),
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Constraint::Length(3),
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Constraint::Length(3),
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Constraint::Length(3),
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]
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.as_ref(),
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)
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.direction(Direction::Vertical)
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.split(chunks[0]);
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// Draw header
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f.render_widget(self.draw_header(), auth_chunks[0]);
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// Draw input fields
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f.render_widget(self.draw_remote_address(), auth_chunks[1]);
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f.render_widget(self.draw_remote_port(), auth_chunks[2]);
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f.render_widget(self.draw_protocol_select(), auth_chunks[3]);
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f.render_widget(self.draw_protocol_username(), auth_chunks[4]);
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f.render_widget(self.draw_protocol_password(), auth_chunks[5]);
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// Draw footer
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f.render_widget(self.draw_footer(), auth_chunks[6]);
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// Set cursor
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if let InputForm::AuthCredentials = self.input_form {
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match self.selected_field {
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InputField::Address => f.set_cursor(
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auth_chunks[1].x + self.address.width() as u16 + 1,
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auth_chunks[1].y + 1,
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),
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InputField::Port => f.set_cursor(
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auth_chunks[2].x + self.port.width() as u16 + 1,
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auth_chunks[2].y + 1,
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),
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InputField::Username => f.set_cursor(
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auth_chunks[4].x + self.username.width() as u16 + 1,
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auth_chunks[4].y + 1,
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),
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InputField::Password => f.set_cursor(
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auth_chunks[5].x + self.password_placeholder.width() as u16 + 1,
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auth_chunks[5].y + 1,
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),
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_ => {}
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}
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}
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// Draw popup
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if let InputMode::Popup(popup) = &self.input_mode {
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// Calculate popup size
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let (width, height): (u16, u16) = match popup {
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PopupType::Alert(_, _) => (50, 10),
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};
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let popup_area: Rect = self.draw_popup_area(f.size(), width, height);
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f.render_widget(Clear, popup_area); //this clears out the background
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match popup {
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PopupType::Alert(color, txt) => f.render_widget(
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self.draw_popup_alert(*color, txt.clone(), popup_area.width),
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popup_area,
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),
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}
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}
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});
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self.context = Some(ctx);
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}
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/// ### draw_remote_address
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///
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/// Draw remote address block
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fn draw_remote_address(&self) -> Paragraph {
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Paragraph::new(self.address.as_ref())
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.style(match self.selected_field {
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InputField::Address => Style::default().fg(Color::Yellow),
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_ => Style::default(),
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})
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.block(
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Block::default()
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.borders(Borders::ALL)
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.title("Remote address"),
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)
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}
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/// ### draw_remote_port
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///
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/// Draw remote port block
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fn draw_remote_port(&self) -> Paragraph {
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Paragraph::new(self.port.as_ref())
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.style(match self.selected_field {
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InputField::Port => Style::default().fg(Color::Cyan),
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_ => Style::default(),
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})
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.block(Block::default().borders(Borders::ALL).title("Remote port"))
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}
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/// ### draw_protocol_select
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///
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/// Draw protocol select
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fn draw_protocol_select(&self) -> Tabs {
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let protocols: Vec<Spans> = vec![
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Spans::from("SFTP"),
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Spans::from("SCP"),
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Spans::from("FTP"),
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Spans::from("FTPS"),
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];
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let index: usize = match self.protocol {
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FileTransferProtocol::Sftp => 0,
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FileTransferProtocol::Scp => 1,
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FileTransferProtocol::Ftp(ftps) => match ftps {
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false => 2,
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true => 3,
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},
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};
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Tabs::new(protocols)
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.block(Block::default().borders(Borders::ALL).title("Protocol"))
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.select(index)
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.style(match self.selected_field {
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InputField::Protocol => Style::default().fg(Color::Green),
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_ => Style::default(),
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})
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.highlight_style(
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Style::default()
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.add_modifier(Modifier::BOLD)
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.bg(Color::Green)
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.fg(Color::Black),
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)
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}
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/// ### draw_protocol_username
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///
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/// Draw username block
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fn draw_protocol_username(&self) -> Paragraph {
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Paragraph::new(self.username.as_ref())
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.style(match self.selected_field {
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InputField::Username => Style::default().fg(Color::Magenta),
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_ => Style::default(),
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})
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.block(Block::default().borders(Borders::ALL).title("Username"))
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}
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/// ### draw_protocol_password
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///
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/// Draw password block
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fn draw_protocol_password(&mut self) -> Paragraph {
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// Create password secret
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self.password_placeholder = (0..self.password.width()).map(|_| "*").collect::<String>();
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Paragraph::new(self.password_placeholder.as_ref())
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.style(match self.selected_field {
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InputField::Password => Style::default().fg(Color::LightBlue),
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_ => Style::default(),
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})
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.block(Block::default().borders(Borders::ALL).title("Password"))
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}
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/// ### draw_header
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///
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/// Draw header
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fn draw_header(&self) -> Paragraph {
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Paragraph::new(" _____ ____ ____ ____ \n|_ _|__ _ __ _ __ ___ / ___| / ___| _ \\ \n | |/ _ \\ '__| '_ ` _ \\\\___ \\| | | |_) |\n | | __/ | | | | | | |___) | |___| __/ \n |_|\\___|_| |_| |_| |_|____/ \\____|_| \n")
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.style(Style::default().fg(Color::White).add_modifier(Modifier::BOLD))
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}
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/// ### draw_footer
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///
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/// Draw authentication page footer
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fn draw_footer(&self) -> Paragraph {
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// Write header
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let (footer, h_style) = (
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vec![
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Span::raw("Press "),
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Span::styled("<ESC>", Style::default().add_modifier(Modifier::BOLD)),
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Span::raw(" to exit, "),
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Span::styled("<UP,DOWN>", Style::default().add_modifier(Modifier::BOLD)),
|
||||
Span::raw(" to change input field, "),
|
||||
Span::styled("<ENTER>", Style::default().add_modifier(Modifier::BOLD)),
|
||||
Span::raw(" to submit form"),
|
||||
],
|
||||
Style::default().add_modifier(Modifier::BOLD),
|
||||
);
|
||||
let mut footer_text = Text::from(Spans::from(footer));
|
||||
footer_text.patch_style(h_style);
|
||||
Paragraph::new(footer_text)
|
||||
}
|
||||
|
||||
/// ### draw_popup_area
|
||||
///
|
||||
/// Draw popup area
|
||||
fn draw_popup_area(&self, area: Rect, width: u16, height: u16) -> Rect {
|
||||
let popup_layout = Layout::default()
|
||||
.direction(Direction::Vertical)
|
||||
.constraints(
|
||||
[
|
||||
Constraint::Percentage((100 - height) / 2),
|
||||
Constraint::Percentage(height),
|
||||
Constraint::Percentage((100 - height) / 2),
|
||||
]
|
||||
.as_ref(),
|
||||
)
|
||||
.split(area);
|
||||
Layout::default()
|
||||
.direction(Direction::Horizontal)
|
||||
.constraints(
|
||||
[
|
||||
Constraint::Percentage((100 - width) / 2),
|
||||
Constraint::Percentage(width),
|
||||
Constraint::Percentage((100 - width) / 2),
|
||||
]
|
||||
.as_ref(),
|
||||
)
|
||||
.split(popup_layout[1])[1]
|
||||
}
|
||||
|
||||
/// ### draw_popup_alert
|
||||
///
|
||||
/// Draw alert popup
|
||||
fn draw_popup_alert(&self, color: Color, text: String, width: u16) -> List {
|
||||
// Wraps texts
|
||||
let message_rows = textwrap::wrap(text.as_str(), width as usize);
|
||||
let mut lines: Vec<ListItem> = Vec::new();
|
||||
for msg in message_rows.iter() {
|
||||
lines.push(ListItem::new(Spans::from(align_text_center(msg, width))));
|
||||
}
|
||||
List::new(lines)
|
||||
.block(
|
||||
Block::default()
|
||||
.borders(Borders::ALL)
|
||||
.border_style(Style::default().fg(color))
|
||||
.title("Alert"),
|
||||
)
|
||||
.start_corner(Corner::TopLeft)
|
||||
.style(Style::default().fg(color))
|
||||
}
|
||||
}
|
||||
|
||||
impl Activity for AuthActivity {
|
||||
/// ### on_create
|
||||
///
|
||||
/// `on_create` is the function which must be called to initialize the activity.
|
||||
/// `on_create` must initialize all the data structures used by the activity
|
||||
/// Context is taken from activity manager and will be released only when activity is destroyed
|
||||
fn on_create(&mut self, context: Context) {
|
||||
// Set context
|
||||
self.context = Some(context);
|
||||
// Clear terminal
|
||||
let _ = self.context.as_mut().unwrap().terminal.clear();
|
||||
// Put raw mode on enabled
|
||||
let _ = enable_raw_mode();
|
||||
self.input_mode = InputMode::Form;
|
||||
}
|
||||
|
||||
/// ### on_draw
|
||||
///
|
||||
/// `on_draw` is the function which draws the graphical interface.
|
||||
/// This function must be called at each tick to refresh the interface
|
||||
fn on_draw(&mut self) {
|
||||
// Context must be something
|
||||
if self.context.is_none() {
|
||||
return;
|
||||
}
|
||||
// Start catching Input Events
|
||||
if let Ok(input_events) = self.context.as_ref().unwrap().input_hnd.fetch_events() {
|
||||
if !input_events.is_empty() {
|
||||
self.redraw = true; // Set redraw to true if there is at least one event
|
||||
}
|
||||
// Iterate over input events
|
||||
for event in input_events.iter() {
|
||||
self.handle_input_event(event);
|
||||
}
|
||||
}
|
||||
// Redraw if necessary
|
||||
if self.redraw {
|
||||
// Draw
|
||||
self.draw();
|
||||
// Set redraw to false
|
||||
self.redraw = false;
|
||||
}
|
||||
}
|
||||
|
||||
/// ### on_destroy
|
||||
///
|
||||
/// `on_destroy` is the function which cleans up runtime variables and data before terminating the activity.
|
||||
/// This function must be called once before terminating the activity.
|
||||
/// This function finally releases the context
|
||||
fn on_destroy(&mut self) -> Option<Context> {
|
||||
// Disable raw mode
|
||||
let _ = disable_raw_mode();
|
||||
self.context.as_ref()?;
|
||||
// Clear terminal and return
|
||||
match self.context.take() {
|
||||
Some(mut ctx) => {
|
||||
let _ = ctx.terminal.clear();
|
||||
Some(ctx)
|
||||
}
|
||||
None => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
207
src/ui/activities/auth_activity/input.rs
Normal file
207
src/ui/activities/auth_activity/input.rs
Normal file
|
|
@ -0,0 +1,207 @@
|
|||
//! ## AuthActivity
|
||||
//!
|
||||
//! `auth_activity` is the module which implements the authentication activity
|
||||
|
||||
/*
|
||||
*
|
||||
* Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
|
||||
*
|
||||
* This file is part of "TermSCP"
|
||||
*
|
||||
* TermSCP is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* TermSCP is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
use super::{
|
||||
AuthActivity, FileTransferProtocol, InputEvent, InputField, InputForm, InputMode, PopupType,
|
||||
};
|
||||
|
||||
use crossterm::event::KeyCode;
|
||||
use tui::style::Color;
|
||||
|
||||
impl AuthActivity {
|
||||
/// ### handle_input_event
|
||||
///
|
||||
/// Handle input event, based on current input mode
|
||||
pub(super) fn handle_input_event(&mut self, ev: &InputEvent) {
|
||||
let popup: Option<PopupType> = match &self.input_mode {
|
||||
InputMode::Popup(ptype) => Some(ptype.clone()),
|
||||
_ => None,
|
||||
};
|
||||
match self.input_mode {
|
||||
InputMode::Form => self.handle_input_event_mode_form(ev),
|
||||
InputMode::Popup(_) => {
|
||||
if let Some(ptype) = popup {
|
||||
self.handle_input_event_mode_popup(ev, ptype)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// ### handle_input_event_mode_form
|
||||
///
|
||||
/// Handler for input event when in form mode
|
||||
pub(super) fn handle_input_event_mode_form(&mut self, ev: &InputEvent) {
|
||||
match self.input_form {
|
||||
InputForm::AuthCredentials => self.handle_input_event_mode_form_auth(ev),
|
||||
}
|
||||
}
|
||||
|
||||
/// ### handle_input_event_mode_form_auth
|
||||
///
|
||||
/// Handle input event when input mode is Form and Tab is Auth
|
||||
pub(super) fn handle_input_event_mode_form_auth(&mut self, ev: &InputEvent) {
|
||||
if let InputEvent::Key(key) = ev {
|
||||
match key.code {
|
||||
KeyCode::Esc => {
|
||||
self.quit = true;
|
||||
}
|
||||
KeyCode::Enter => {
|
||||
// Handle submit
|
||||
// Check form
|
||||
// Check address
|
||||
if self.address.is_empty() {
|
||||
self.input_mode = InputMode::Popup(PopupType::Alert(
|
||||
Color::Red,
|
||||
String::from("Invalid address"),
|
||||
));
|
||||
return;
|
||||
}
|
||||
// Check port
|
||||
// Convert port to number
|
||||
match self.port.parse::<usize>() {
|
||||
Ok(val) => {
|
||||
if val > 65535 {
|
||||
self.input_mode = InputMode::Popup(PopupType::Alert(
|
||||
Color::Red,
|
||||
String::from("Specified port must be in range 0-65535"),
|
||||
));
|
||||
return;
|
||||
}
|
||||
}
|
||||
Err(_) => {
|
||||
self.input_mode = InputMode::Popup(PopupType::Alert(
|
||||
Color::Red,
|
||||
String::from("Specified port is not a number"),
|
||||
));
|
||||
return;
|
||||
}
|
||||
}
|
||||
// Everything OK, set enter
|
||||
self.submit = true;
|
||||
}
|
||||
KeyCode::Backspace => {
|
||||
// Pop last char
|
||||
match self.selected_field {
|
||||
InputField::Address => {
|
||||
let _ = self.address.pop();
|
||||
}
|
||||
InputField::Password => {
|
||||
let _ = self.password.pop();
|
||||
}
|
||||
InputField::Username => {
|
||||
let _ = self.username.pop();
|
||||
}
|
||||
InputField::Port => {
|
||||
let _ = self.port.pop();
|
||||
}
|
||||
_ => { /* Nothing to do */ }
|
||||
};
|
||||
}
|
||||
KeyCode::Up => {
|
||||
// Move item up
|
||||
self.selected_field = match self.selected_field {
|
||||
InputField::Address => InputField::Password, // End of list (wrap)
|
||||
InputField::Port => InputField::Address,
|
||||
InputField::Protocol => InputField::Port,
|
||||
InputField::Username => InputField::Protocol,
|
||||
InputField::Password => InputField::Username,
|
||||
}
|
||||
}
|
||||
KeyCode::Down | KeyCode::Tab => {
|
||||
// Move item down
|
||||
self.selected_field = match self.selected_field {
|
||||
InputField::Address => InputField::Port,
|
||||
InputField::Port => InputField::Protocol,
|
||||
InputField::Protocol => InputField::Username,
|
||||
InputField::Username => InputField::Password,
|
||||
InputField::Password => InputField::Address, // End of list (wrap)
|
||||
}
|
||||
}
|
||||
KeyCode::Char(ch) => {
|
||||
match self.selected_field {
|
||||
InputField::Address => self.address.push(ch),
|
||||
InputField::Password => self.password.push(ch),
|
||||
InputField::Username => self.username.push(ch),
|
||||
InputField::Port => {
|
||||
// Value must be numeric
|
||||
if ch.is_numeric() {
|
||||
self.port.push(ch);
|
||||
}
|
||||
}
|
||||
_ => { /* Nothing to do */ }
|
||||
}
|
||||
}
|
||||
KeyCode::Left => {
|
||||
// If current field is Protocol handle event... (move element left)
|
||||
if self.selected_field == InputField::Protocol {
|
||||
self.protocol = match self.protocol {
|
||||
FileTransferProtocol::Sftp => FileTransferProtocol::Ftp(true), // End of list (wrap)
|
||||
FileTransferProtocol::Scp => FileTransferProtocol::Sftp,
|
||||
FileTransferProtocol::Ftp(ftps) => match ftps {
|
||||
false => FileTransferProtocol::Scp,
|
||||
true => FileTransferProtocol::Ftp(false),
|
||||
},
|
||||
};
|
||||
}
|
||||
}
|
||||
KeyCode::Right => {
|
||||
// If current field is Protocol handle event... ( move element right )
|
||||
if self.selected_field == InputField::Protocol {
|
||||
self.protocol = match self.protocol {
|
||||
FileTransferProtocol::Sftp => FileTransferProtocol::Scp,
|
||||
FileTransferProtocol::Scp => FileTransferProtocol::Ftp(false),
|
||||
FileTransferProtocol::Ftp(ftps) => match ftps {
|
||||
false => FileTransferProtocol::Ftp(true),
|
||||
true => FileTransferProtocol::Sftp, // End of list (wrap)
|
||||
},
|
||||
};
|
||||
}
|
||||
}
|
||||
_ => { /* Nothing to do */ }
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// ### handle_input_event_mode_text
|
||||
///
|
||||
/// Handler for input event when in popup mode
|
||||
pub(super) fn handle_input_event_mode_popup(&mut self, ev: &InputEvent, ptype: PopupType) {
|
||||
match ptype {
|
||||
PopupType::Alert(_, _) => self.handle_input_event_mode_popup_alert(ev),
|
||||
}
|
||||
}
|
||||
|
||||
/// ### handle_input_event_mode_popup_alert
|
||||
///
|
||||
/// Handle input event when the input mode is popup, and popup type is alert
|
||||
pub(super) fn handle_input_event_mode_popup_alert(&mut self, ev: &InputEvent) {
|
||||
// Only enter should be allowed here
|
||||
if let InputEvent::Key(key) = ev {
|
||||
if let KeyCode::Enter = key.code {
|
||||
self.input_mode = InputMode::Form; // Hide popup
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
291
src/ui/activities/auth_activity/layout.rs
Normal file
291
src/ui/activities/auth_activity/layout.rs
Normal file
|
|
@ -0,0 +1,291 @@
|
|||
//! ## AuthActivity
|
||||
//!
|
||||
//! `auth_activity` is the module which implements the authentication activity
|
||||
|
||||
/*
|
||||
*
|
||||
* Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
|
||||
*
|
||||
* This file is part of "TermSCP"
|
||||
*
|
||||
* TermSCP is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* TermSCP is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
use super::{
|
||||
AuthActivity, Context, FileTransferProtocol, InputField, InputForm, InputMode, PopupType,
|
||||
};
|
||||
|
||||
use crate::utils::align_text_center;
|
||||
|
||||
use tui::{
|
||||
layout::{Constraint, Corner, Direction, Layout, Rect},
|
||||
style::{Color, Modifier, Style},
|
||||
text::{Span, Spans, Text},
|
||||
widgets::{Block, Borders, Clear, List, ListItem, Paragraph, Tabs},
|
||||
};
|
||||
use unicode_width::UnicodeWidthStr;
|
||||
|
||||
impl AuthActivity {
|
||||
/// ### draw
|
||||
///
|
||||
/// Draw UI
|
||||
pub(super) fn draw(&mut self) {
|
||||
let mut ctx: Context = self.context.take().unwrap();
|
||||
let _ = ctx.terminal.draw(|f| {
|
||||
// Prepare chunks
|
||||
let chunks = Layout::default()
|
||||
.direction(Direction::Vertical)
|
||||
.margin(1)
|
||||
.constraints(
|
||||
[
|
||||
Constraint::Percentage(60), // Auth Form
|
||||
Constraint::Percentage(40), // Bookmarks
|
||||
]
|
||||
.as_ref(),
|
||||
)
|
||||
.split(f.size());
|
||||
// Create explorer chunks
|
||||
let auth_chunks = Layout::default()
|
||||
.constraints(
|
||||
[
|
||||
Constraint::Length(5),
|
||||
Constraint::Length(3),
|
||||
Constraint::Length(3),
|
||||
Constraint::Length(3),
|
||||
Constraint::Length(3),
|
||||
Constraint::Length(3),
|
||||
Constraint::Length(3),
|
||||
]
|
||||
.as_ref(),
|
||||
)
|
||||
.direction(Direction::Vertical)
|
||||
.split(chunks[0]);
|
||||
// Draw header
|
||||
f.render_widget(self.draw_header(), auth_chunks[0]);
|
||||
// Draw input fields
|
||||
f.render_widget(self.draw_remote_address(), auth_chunks[1]);
|
||||
f.render_widget(self.draw_remote_port(), auth_chunks[2]);
|
||||
f.render_widget(self.draw_protocol_select(), auth_chunks[3]);
|
||||
f.render_widget(self.draw_protocol_username(), auth_chunks[4]);
|
||||
f.render_widget(self.draw_protocol_password(), auth_chunks[5]);
|
||||
// Draw footer
|
||||
f.render_widget(self.draw_footer(), auth_chunks[6]);
|
||||
// Set cursor
|
||||
if let InputForm::AuthCredentials = self.input_form {
|
||||
match self.selected_field {
|
||||
InputField::Address => f.set_cursor(
|
||||
auth_chunks[1].x + self.address.width() as u16 + 1,
|
||||
auth_chunks[1].y + 1,
|
||||
),
|
||||
InputField::Port => f.set_cursor(
|
||||
auth_chunks[2].x + self.port.width() as u16 + 1,
|
||||
auth_chunks[2].y + 1,
|
||||
),
|
||||
InputField::Username => f.set_cursor(
|
||||
auth_chunks[4].x + self.username.width() as u16 + 1,
|
||||
auth_chunks[4].y + 1,
|
||||
),
|
||||
InputField::Password => f.set_cursor(
|
||||
auth_chunks[5].x + self.password_placeholder.width() as u16 + 1,
|
||||
auth_chunks[5].y + 1,
|
||||
),
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
// Draw popup
|
||||
if let InputMode::Popup(popup) = &self.input_mode {
|
||||
// Calculate popup size
|
||||
let (width, height): (u16, u16) = match popup {
|
||||
PopupType::Alert(_, _) => (50, 10),
|
||||
};
|
||||
let popup_area: Rect = self.draw_popup_area(f.size(), width, height);
|
||||
f.render_widget(Clear, popup_area); //this clears out the background
|
||||
match popup {
|
||||
PopupType::Alert(color, txt) => f.render_widget(
|
||||
self.draw_popup_alert(*color, txt.clone(), popup_area.width),
|
||||
popup_area,
|
||||
),
|
||||
}
|
||||
}
|
||||
});
|
||||
self.context = Some(ctx);
|
||||
}
|
||||
|
||||
/// ### draw_remote_address
|
||||
///
|
||||
/// Draw remote address block
|
||||
fn draw_remote_address(&self) -> Paragraph {
|
||||
Paragraph::new(self.address.as_ref())
|
||||
.style(match self.selected_field {
|
||||
InputField::Address => Style::default().fg(Color::Yellow),
|
||||
_ => Style::default(),
|
||||
})
|
||||
.block(
|
||||
Block::default()
|
||||
.borders(Borders::ALL)
|
||||
.title("Remote address"),
|
||||
)
|
||||
}
|
||||
|
||||
/// ### draw_remote_port
|
||||
///
|
||||
/// Draw remote port block
|
||||
fn draw_remote_port(&self) -> Paragraph {
|
||||
Paragraph::new(self.port.as_ref())
|
||||
.style(match self.selected_field {
|
||||
InputField::Port => Style::default().fg(Color::Cyan),
|
||||
_ => Style::default(),
|
||||
})
|
||||
.block(Block::default().borders(Borders::ALL).title("Remote port"))
|
||||
}
|
||||
|
||||
/// ### draw_protocol_select
|
||||
///
|
||||
/// Draw protocol select
|
||||
fn draw_protocol_select(&self) -> Tabs {
|
||||
let protocols: Vec<Spans> = vec![
|
||||
Spans::from("SFTP"),
|
||||
Spans::from("SCP"),
|
||||
Spans::from("FTP"),
|
||||
Spans::from("FTPS"),
|
||||
];
|
||||
let index: usize = match self.protocol {
|
||||
FileTransferProtocol::Sftp => 0,
|
||||
FileTransferProtocol::Scp => 1,
|
||||
FileTransferProtocol::Ftp(ftps) => match ftps {
|
||||
false => 2,
|
||||
true => 3,
|
||||
},
|
||||
};
|
||||
Tabs::new(protocols)
|
||||
.block(Block::default().borders(Borders::ALL).title("Protocol"))
|
||||
.select(index)
|
||||
.style(match self.selected_field {
|
||||
InputField::Protocol => Style::default().fg(Color::Green),
|
||||
_ => Style::default(),
|
||||
})
|
||||
.highlight_style(
|
||||
Style::default()
|
||||
.add_modifier(Modifier::BOLD)
|
||||
.bg(Color::Green)
|
||||
.fg(Color::Black),
|
||||
)
|
||||
}
|
||||
|
||||
/// ### draw_protocol_username
|
||||
///
|
||||
/// Draw username block
|
||||
fn draw_protocol_username(&self) -> Paragraph {
|
||||
Paragraph::new(self.username.as_ref())
|
||||
.style(match self.selected_field {
|
||||
InputField::Username => Style::default().fg(Color::Magenta),
|
||||
_ => Style::default(),
|
||||
})
|
||||
.block(Block::default().borders(Borders::ALL).title("Username"))
|
||||
}
|
||||
|
||||
/// ### draw_protocol_password
|
||||
///
|
||||
/// Draw password block
|
||||
fn draw_protocol_password(&mut self) -> Paragraph {
|
||||
// Create password secret
|
||||
self.password_placeholder = (0..self.password.width()).map(|_| "*").collect::<String>();
|
||||
Paragraph::new(self.password_placeholder.as_ref())
|
||||
.style(match self.selected_field {
|
||||
InputField::Password => Style::default().fg(Color::LightBlue),
|
||||
_ => Style::default(),
|
||||
})
|
||||
.block(Block::default().borders(Borders::ALL).title("Password"))
|
||||
}
|
||||
|
||||
/// ### draw_header
|
||||
///
|
||||
/// Draw header
|
||||
fn draw_header(&self) -> Paragraph {
|
||||
Paragraph::new(" _____ ____ ____ ____ \n|_ _|__ _ __ _ __ ___ / ___| / ___| _ \\ \n | |/ _ \\ '__| '_ ` _ \\\\___ \\| | | |_) |\n | | __/ | | | | | | |___) | |___| __/ \n |_|\\___|_| |_| |_| |_|____/ \\____|_| \n")
|
||||
.style(Style::default().fg(Color::White).add_modifier(Modifier::BOLD))
|
||||
}
|
||||
|
||||
/// ### draw_footer
|
||||
///
|
||||
/// Draw authentication page footer
|
||||
fn draw_footer(&self) -> Paragraph {
|
||||
// Write header
|
||||
let (footer, h_style) = (
|
||||
vec![
|
||||
Span::raw("Press "),
|
||||
Span::styled("<ESC>", Style::default().add_modifier(Modifier::BOLD)),
|
||||
Span::raw(" to exit, "),
|
||||
Span::styled("<UP,DOWN>", Style::default().add_modifier(Modifier::BOLD)),
|
||||
Span::raw(" to change input field, "),
|
||||
Span::styled("<ENTER>", Style::default().add_modifier(Modifier::BOLD)),
|
||||
Span::raw(" to submit form"),
|
||||
],
|
||||
Style::default().add_modifier(Modifier::BOLD),
|
||||
);
|
||||
let mut footer_text = Text::from(Spans::from(footer));
|
||||
footer_text.patch_style(h_style);
|
||||
Paragraph::new(footer_text)
|
||||
}
|
||||
|
||||
/// ### draw_popup_area
|
||||
///
|
||||
/// Draw popup area
|
||||
fn draw_popup_area(&self, area: Rect, width: u16, height: u16) -> Rect {
|
||||
let popup_layout = Layout::default()
|
||||
.direction(Direction::Vertical)
|
||||
.constraints(
|
||||
[
|
||||
Constraint::Percentage((100 - height) / 2),
|
||||
Constraint::Percentage(height),
|
||||
Constraint::Percentage((100 - height) / 2),
|
||||
]
|
||||
.as_ref(),
|
||||
)
|
||||
.split(area);
|
||||
Layout::default()
|
||||
.direction(Direction::Horizontal)
|
||||
.constraints(
|
||||
[
|
||||
Constraint::Percentage((100 - width) / 2),
|
||||
Constraint::Percentage(width),
|
||||
Constraint::Percentage((100 - width) / 2),
|
||||
]
|
||||
.as_ref(),
|
||||
)
|
||||
.split(popup_layout[1])[1]
|
||||
}
|
||||
|
||||
/// ### draw_popup_alert
|
||||
///
|
||||
/// Draw alert popup
|
||||
fn draw_popup_alert(&self, color: Color, text: String, width: u16) -> List {
|
||||
// Wraps texts
|
||||
let message_rows = textwrap::wrap(text.as_str(), width as usize);
|
||||
let mut lines: Vec<ListItem> = Vec::new();
|
||||
for msg in message_rows.iter() {
|
||||
lines.push(ListItem::new(Spans::from(align_text_center(msg, width))));
|
||||
}
|
||||
List::new(lines)
|
||||
.block(
|
||||
Block::default()
|
||||
.borders(Borders::ALL)
|
||||
.border_style(Style::default().fg(color))
|
||||
.title("Alert"),
|
||||
)
|
||||
.start_corner(Corner::TopLeft)
|
||||
.style(Style::default().fg(color))
|
||||
}
|
||||
}
|
||||
192
src/ui/activities/auth_activity/mod.rs
Normal file
192
src/ui/activities/auth_activity/mod.rs
Normal file
|
|
@ -0,0 +1,192 @@
|
|||
//! ## AuthActivity
|
||||
//!
|
||||
//! `auth_activity` is the module which implements the authentication activity
|
||||
|
||||
/*
|
||||
*
|
||||
* Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
|
||||
*
|
||||
* This file is part of "TermSCP"
|
||||
*
|
||||
* TermSCP is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* TermSCP is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
// Sub modules
|
||||
mod input;
|
||||
mod layout;
|
||||
|
||||
// Dependencies
|
||||
extern crate crossterm;
|
||||
extern crate tui;
|
||||
extern crate unicode_width;
|
||||
|
||||
// locals
|
||||
use super::{Activity, Context};
|
||||
use crate::filetransfer::FileTransferProtocol;
|
||||
|
||||
// Includes
|
||||
use crossterm::event::Event as InputEvent;
|
||||
use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
|
||||
use tui::style::Color;
|
||||
|
||||
/// ### InputField
|
||||
///
|
||||
/// InputField describes the current input field to edit
|
||||
#[derive(std::cmp::PartialEq)]
|
||||
enum InputField {
|
||||
Address,
|
||||
Port,
|
||||
Protocol,
|
||||
Username,
|
||||
Password,
|
||||
}
|
||||
|
||||
/// ### PopupType
|
||||
///
|
||||
/// PopupType describes the type of the popup displayed
|
||||
#[derive(std::cmp::PartialEq, Clone)]
|
||||
enum PopupType {
|
||||
Alert(Color, String), // Show a message displaying text with the provided color
|
||||
}
|
||||
|
||||
/// ### InputMode
|
||||
///
|
||||
/// InputMode describes the current input mode
|
||||
/// Each input mode handle the input events in a different way
|
||||
#[derive(std::cmp::PartialEq)]
|
||||
enum InputMode {
|
||||
Form,
|
||||
Popup(PopupType),
|
||||
}
|
||||
|
||||
#[derive(std::cmp::PartialEq)]
|
||||
/// ### InputForm
|
||||
///
|
||||
/// InputForm describes the selected input form
|
||||
enum InputForm {
|
||||
AuthCredentials,
|
||||
}
|
||||
|
||||
/// ### AuthActivity
|
||||
///
|
||||
/// AuthActivity is the data holder for the authentication activity
|
||||
pub struct AuthActivity {
|
||||
pub address: String,
|
||||
pub port: String,
|
||||
pub protocol: FileTransferProtocol,
|
||||
pub username: String,
|
||||
pub password: String,
|
||||
pub submit: bool, // becomes true after user has submitted fields
|
||||
pub quit: bool, // Becomes true if user has pressed esc
|
||||
context: Option<Context>,
|
||||
selected_field: InputField, // Selected field in AuthCredentials Form
|
||||
input_mode: InputMode,
|
||||
input_form: InputForm,
|
||||
password_placeholder: String,
|
||||
redraw: bool, // Should ui actually be redrawned?
|
||||
}
|
||||
|
||||
impl Default for AuthActivity {
|
||||
fn default() -> Self {
|
||||
Self::new()
|
||||
}
|
||||
}
|
||||
|
||||
impl AuthActivity {
|
||||
/// ### new
|
||||
///
|
||||
/// Instantiates a new AuthActivity
|
||||
pub fn new() -> AuthActivity {
|
||||
AuthActivity {
|
||||
address: String::new(),
|
||||
port: String::from("22"),
|
||||
protocol: FileTransferProtocol::Sftp,
|
||||
username: String::new(),
|
||||
password: String::new(),
|
||||
submit: false,
|
||||
quit: false,
|
||||
context: None,
|
||||
selected_field: InputField::Address,
|
||||
input_mode: InputMode::Form,
|
||||
input_form: InputForm::AuthCredentials,
|
||||
password_placeholder: String::new(),
|
||||
redraw: true, // True at startup
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Activity for AuthActivity {
|
||||
/// ### on_create
|
||||
///
|
||||
/// `on_create` is the function which must be called to initialize the activity.
|
||||
/// `on_create` must initialize all the data structures used by the activity
|
||||
/// Context is taken from activity manager and will be released only when activity is destroyed
|
||||
fn on_create(&mut self, context: Context) {
|
||||
// Set context
|
||||
self.context = Some(context);
|
||||
// Clear terminal
|
||||
let _ = self.context.as_mut().unwrap().terminal.clear();
|
||||
// Put raw mode on enabled
|
||||
let _ = enable_raw_mode();
|
||||
self.input_mode = InputMode::Form;
|
||||
}
|
||||
|
||||
/// ### on_draw
|
||||
///
|
||||
/// `on_draw` is the function which draws the graphical interface.
|
||||
/// This function must be called at each tick to refresh the interface
|
||||
fn on_draw(&mut self) {
|
||||
// Context must be something
|
||||
if self.context.is_none() {
|
||||
return;
|
||||
}
|
||||
// Start catching Input Events
|
||||
if let Ok(input_events) = self.context.as_ref().unwrap().input_hnd.fetch_events() {
|
||||
if !input_events.is_empty() {
|
||||
self.redraw = true; // Set redraw to true if there is at least one event
|
||||
}
|
||||
// Iterate over input events
|
||||
for event in input_events.iter() {
|
||||
self.handle_input_event(event);
|
||||
}
|
||||
}
|
||||
// Redraw if necessary
|
||||
if self.redraw {
|
||||
// Draw
|
||||
self.draw();
|
||||
// Set redraw to false
|
||||
self.redraw = false;
|
||||
}
|
||||
}
|
||||
|
||||
/// ### on_destroy
|
||||
///
|
||||
/// `on_destroy` is the function which cleans up runtime variables and data before terminating the activity.
|
||||
/// This function must be called once before terminating the activity.
|
||||
/// This function finally releases the context
|
||||
fn on_destroy(&mut self) -> Option<Context> {
|
||||
// Disable raw mode
|
||||
let _ = disable_raw_mode();
|
||||
self.context.as_ref()?;
|
||||
// Clear terminal and return
|
||||
match self.context.take() {
|
||||
Some(mut ctx) => {
|
||||
let _ = ctx.terminal.clear();
|
||||
Some(ctx)
|
||||
}
|
||||
None => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue