Files
termscp/src/ui/activities/auth_activity/input.rs
2020-12-16 20:34:36 +01:00

487 lines
22 KiB
Rust

//! ## 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, DialogCallback, DialogYesNoOption, FileTransferProtocol, InputEvent, InputField,
InputForm, InputMode, PopupType,
};
use crossterm::event::{KeyCode, KeyModifiers};
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),
InputForm::Bookmarks => self.handle_input_event_mode_form_bookmarks(ev),
InputForm::Recents => self.handle_input_event_mode_form_recents(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 => {
// Show quit dialog
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to quit termscp?"),
AuthActivity::callback_quit,
AuthActivity::callback_nothing_to_do,
));
}
KeyCode::Tab => self.input_form = InputForm::Bookmarks, // Move to bookmarks
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;
}
}
// Save recent
self.save_recent();
// 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 => {
// 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) => {
// Check if Ctrl is enabled
if key.modifiers.intersects(KeyModifiers::CONTROL) {
// If 'S', save bookmark as...
match ch {
'H' | 'h' => {
// Show help
self.input_mode = InputMode::Popup(PopupType::Help);
}
'S' | 's' => {
// Default choice option to no
self.choice_opt = DialogYesNoOption::No;
// Save bookmark as...
self.input_mode = InputMode::Popup(PopupType::SaveBookmark);
}
_ => { /* Nothing to do */ }
}
} else {
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_form_bookmarks
///
/// Handle input event when input mode is Form and Tab is Bookmarks
pub(super) fn handle_input_event_mode_form_bookmarks(&mut self, ev: &InputEvent) {
if let InputEvent::Key(key) = ev {
match key.code {
KeyCode::Esc => {
// Show quit dialog
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to quit termscp?"),
AuthActivity::callback_quit,
AuthActivity::callback_nothing_to_do,
));
}
KeyCode::Tab => self.input_form = InputForm::AuthCredentials, // Move to Auth credentials
KeyCode::Right => self.input_form = InputForm::Recents, // Move to recents
KeyCode::Up => {
// Move bookmarks index up
if self.bookmarks_idx > 0 {
self.bookmarks_idx -= 1;
} else if let Some(bookmarks_cli) = &self.bookmarks_client {
// Put to last index (wrap)
self.bookmarks_idx = bookmarks_cli.iter_bookmarks().count() - 1;
}
}
KeyCode::Down => {
if let Some(bookmarks_cli) = &self.bookmarks_client {
let size: usize = bookmarks_cli.iter_bookmarks().count();
// Check if can move down
if self.bookmarks_idx + 1 >= size {
// Move bookmarks index down
self.bookmarks_idx = 0;
} else {
// Set index to first element (wrap)
self.bookmarks_idx += 1;
}
}
}
KeyCode::Delete => {
// Ask if user wants to delete bookmark
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to delete the selected bookmark?"),
AuthActivity::callback_del_bookmark,
AuthActivity::callback_nothing_to_do,
));
}
KeyCode::Enter => {
// Load bookmark
self.load_bookmark(self.bookmarks_idx);
// Set input form to Auth
self.input_form = InputForm::AuthCredentials;
// Set input field to password (very comfy)
self.selected_field = InputField::Password;
}
KeyCode::Char(ch) => match ch {
'E' | 'e' => {
// Ask if user wants to delete bookmark; NOTE: same as <DEL>
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to delete the selected bookmark?"),
AuthActivity::callback_del_bookmark,
AuthActivity::callback_nothing_to_do,
));
}
'H' | 'h' => {
// Show help
self.input_mode = InputMode::Popup(PopupType::Help);
}
'S' | 's' => {
// Default choice option to no
self.choice_opt = DialogYesNoOption::No;
// Save bookmark as...
self.input_mode = InputMode::Popup(PopupType::SaveBookmark);
}
_ => { /* Nothing to do */ }
},
_ => { /* Nothing to do */ }
}
}
}
/// ### handle_input_event_mode_form_recents
///
/// Handle input event when input mode is Form and Tab is Recents
pub(super) fn handle_input_event_mode_form_recents(&mut self, ev: &InputEvent) {
if let InputEvent::Key(key) = ev {
match key.code {
KeyCode::Esc => {
// Show quit dialog
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to quit termscp?"),
AuthActivity::callback_quit,
AuthActivity::callback_nothing_to_do,
));
}
KeyCode::Tab => self.input_form = InputForm::AuthCredentials, // Move to Auth credentials
KeyCode::Left => self.input_form = InputForm::Bookmarks, // Move to bookmarks
KeyCode::Up => {
// Move bookmarks index up
if self.recents_idx > 0 {
self.recents_idx -= 1;
} else if let Some(bookmarks_cli) = &self.bookmarks_client {
// Put to last index (wrap)
self.recents_idx = bookmarks_cli.iter_recents().count() - 1;
}
}
KeyCode::Down => {
if let Some(bookmarks_cli) = &self.bookmarks_client {
let size: usize = bookmarks_cli.iter_recents().count();
// Check if can move down
if self.recents_idx + 1 >= size {
// Move bookmarks index down
self.recents_idx = 0;
} else {
// Set index to first element (wrap)
self.recents_idx += 1;
}
}
}
KeyCode::Delete => {
// Ask if user wants to delete bookmark
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to delete the selected host?"),
AuthActivity::callback_del_bookmark,
AuthActivity::callback_nothing_to_do,
));
}
KeyCode::Enter => {
// Load bookmark
self.load_recent(self.recents_idx);
// Set input form to Auth
self.input_form = InputForm::AuthCredentials;
// Set input field to password (very comfy)
self.selected_field = InputField::Password;
}
KeyCode::Char(ch) => match ch {
'E' | 'e' => {
// Ask if user wants to delete bookmark; NOTE: same as <DEL>
self.input_mode = InputMode::Popup(PopupType::YesNo(
String::from("Are you sure you want to delete the selected host?"),
AuthActivity::callback_del_bookmark,
AuthActivity::callback_nothing_to_do,
));
}
'H' | 'h' => {
// Show help
self.input_mode = InputMode::Popup(PopupType::Help);
}
'S' | 's' => {
// Default choice option to no
self.choice_opt = DialogYesNoOption::No;
// Save bookmark as...
self.input_mode = InputMode::Popup(PopupType::SaveBookmark);
}
_ => { /* Nothing to do */ }
},
_ => { /* 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),
PopupType::Help => self.handle_input_event_mode_popup_help(ev),
PopupType::SaveBookmark => self.handle_input_event_mode_popup_save_bookmark(ev),
PopupType::YesNo(_, yes_cb, no_cb) => {
self.handle_input_event_mode_popup_yesno(ev, yes_cb, no_cb)
}
}
}
/// ### 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
}
}
}
/// ### handle_input_event_mode_popup_help
///
/// Input event handler for popup help
pub(super) fn handle_input_event_mode_popup_help(&mut self, ev: &InputEvent) {
// If enter, close popup
if let InputEvent::Key(key) = ev {
match key.code {
KeyCode::Enter | KeyCode::Esc => {
// Set input mode back to form
self.input_mode = InputMode::Form;
}
_ => { /* Nothing to do */ }
}
}
}
/// ### handle_input_event_mode_popup_save_bookmark
///
/// Input event handler for SaveBookmark popup
pub(super) fn handle_input_event_mode_popup_save_bookmark(&mut self, ev: &InputEvent) {
// If enter, close popup, otherwise push chars to input
if let InputEvent::Key(key) = ev {
match key.code {
KeyCode::Esc => {
// Abort input
// Clear current input text
self.input_txt.clear();
// Set mode back to form
self.input_mode = InputMode::Form;
// Reset choice option to yes
self.choice_opt = DialogYesNoOption::Yes;
}
KeyCode::Enter => {
// Submit
let input_text: String = self.input_txt.clone();
// Clear current input text
self.input_txt.clear();
// Set mode back to form BEFORE CALLBACKS!!! Callback can then overwrite this, clever uh?
self.input_mode = InputMode::Form;
// Call cb
self.callback_save_bookmark(input_text);
// Reset choice option to yes
self.choice_opt = DialogYesNoOption::Yes;
}
KeyCode::Left => self.choice_opt = DialogYesNoOption::Yes, // Move yes/no with arrows
KeyCode::Right => self.choice_opt = DialogYesNoOption::No, // Move yes/no with arrows
KeyCode::Char(ch) => self.input_txt.push(ch),
KeyCode::Backspace => {
let _ = self.input_txt.pop();
}
_ => { /* Nothing to do */ }
}
}
}
/// ### handle_input_event_mode_popup_yesno
///
/// Input event handler for popup alert
pub(super) fn handle_input_event_mode_popup_yesno(
&mut self,
ev: &InputEvent,
yes_cb: DialogCallback,
no_cb: DialogCallback,
) {
// If enter, close popup, otherwise move dialog option
if let InputEvent::Key(key) = ev {
match key.code {
KeyCode::Enter => {
// @! Set input mode to Form BEFORE CALLBACKS!!! Callback can then overwrite this, clever uh?
self.input_mode = InputMode::Form;
// Check if user selected yes or not
match self.choice_opt {
DialogYesNoOption::No => no_cb(self),
DialogYesNoOption::Yes => yes_cb(self),
}
// Reset choice option to yes
self.choice_opt = DialogYesNoOption::Yes;
}
KeyCode::Right => self.choice_opt = DialogYesNoOption::No, // Set to NO
KeyCode::Left => self.choice_opt = DialogYesNoOption::Yes, // Set to YES
_ => { /* Nothing to do */ }
}
}
}
}