termscp/src/ui/activities/auth_activity/mod.rs

227 lines
8.1 KiB
Rust

//! ## AuthActivity
//!
//! `auth_activity` is the module which implements the authentication activity
/**
* MIT License
*
* termscp - Copyright (c) 2021 Christian Visintin
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// Sub modules
mod bookmarks;
mod update;
mod view;
// Dependencies
extern crate crossterm;
extern crate tui;
// locals
use super::{Activity, Context, ExitReason};
use crate::filetransfer::FileTransferProtocol;
use crate::system::bookmarks_client::BookmarksClient;
use crate::ui::context::FileTransferParams;
use crate::ui::layout::view::View;
use crate::utils::git;
// Includes
use crossterm::terminal::{disable_raw_mode, enable_raw_mode};
// -- components
const COMPONENT_TEXT_HEADER: &str = "TEXT_HEADER";
const COMPONENT_TEXT_NEW_VERSION: &str = "TEXT_NEW_VERSION";
const COMPONENT_TEXT_FOOTER: &str = "TEXT_FOOTER";
const COMPONENT_TEXT_HELP: &str = "TEXT_HELP";
const COMPONENT_TEXT_ERROR: &str = "TEXT_ERROR";
const COMPONENT_INPUT_ADDR: &str = "INPUT_ADDRESS";
const COMPONENT_INPUT_PORT: &str = "INPUT_PORT";
const COMPONENT_INPUT_USERNAME: &str = "INPUT_USERNAME";
const COMPONENT_INPUT_PASSWORD: &str = "INPUT_PASSWORD";
const COMPONENT_INPUT_BOOKMARK_NAME: &str = "INPUT_BOOKMARK_NAME";
const COMPONENT_RADIO_PROTOCOL: &str = "RADIO_PROTOCOL";
const COMPONENT_RADIO_QUIT: &str = "RADIO_QUIT";
const COMPONENT_RADIO_BOOKMARK_DEL_BOOKMARK: &str = "RADIO_DELETE_BOOKMARK";
const COMPONENT_RADIO_BOOKMARK_DEL_RECENT: &str = "RADIO_DELETE_RECENT";
const COMPONENT_RADIO_BOOKMARK_SAVE_PWD: &str = "RADIO_SAVE_PASSWORD";
const COMPONENT_BOOKMARKS_LIST: &str = "BOOKMARKS_LIST";
const COMPONENT_RECENTS_LIST: &str = "RECENTS_LIST";
// Store keys
const STORE_KEY_LATEST_VERSION: &str = "AUTH_LATEST_VERSION";
/// ### AuthActivity
///
/// AuthActivity is the data holder for the authentication activity
pub struct AuthActivity {
exit_reason: Option<ExitReason>,
context: Option<Context>,
view: View,
bookmarks_client: Option<BookmarksClient>,
redraw: bool, // Should ui actually be redrawned?
bookmarks_list: Vec<String>, // List of bookmarks
recents_list: Vec<String>, // list of recents
}
impl Default for AuthActivity {
fn default() -> Self {
Self::new()
}
}
impl AuthActivity {
/// ### new
///
/// Instantiates a new AuthActivity
pub fn new() -> AuthActivity {
AuthActivity {
exit_reason: None,
context: None,
view: View::init(),
bookmarks_client: None,
redraw: true, // True at startup
bookmarks_list: Vec::new(),
recents_list: Vec::new(),
}
}
/// ### on_create
///
/// If enabled in configuration, check for updates from Github
fn check_for_updates(&mut self) {
// Check version only if unset in the store
let ctx: &Context = self.context.as_ref().unwrap();
if !ctx.store.isset(STORE_KEY_LATEST_VERSION) {
let mut new_version: Option<String> = match ctx.config_client.as_ref() {
Some(client) => {
if client.get_check_for_updates() {
// Send request
match git::check_for_updates(env!("CARGO_PKG_VERSION")) {
Ok(version) => version,
Err(err) => {
// Report error
self.mount_error(
format!("Could not check for new updates: {}", err).as_str(),
);
// None
None
}
}
} else {
None
}
}
None => None,
};
let ctx: &mut Context = self.context.as_mut().unwrap();
// Set version into the store (or just a flag)
match new_version.take() {
Some(new_version) => ctx.store.set_string(STORE_KEY_LATEST_VERSION, new_version), // If Some, set String
None => ctx.store.set(STORE_KEY_LATEST_VERSION), // If None, just set flag
}
}
}
}
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, mut context: Context) {
// Initialize file transfer params
context.ft_params = Some(FileTransferParams::default());
// Set context
self.context = Some(context);
// Clear terminal
self.context.as_mut().unwrap().clear_screen();
// Put raw mode on enabled
let _ = enable_raw_mode();
// Init bookmarks client
if self.bookmarks_client.is_none() {
self.init_bookmarks_client();
}
// Verify error state from context
if let Some(err) = self.context.as_mut().unwrap().get_error() {
self.mount_error(err.as_str());
}
// If check for updates is enabled, check for updates
self.check_for_updates();
// Initialize view
self.init();
}
/// ### 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;
}
// Read one event
if let Ok(Some(event)) = self.context.as_ref().unwrap().input_hnd.read_event() {
// Set redraw to true
self.redraw = true;
// Handle event on view and update
let msg = self.view.on(event);
self.update(msg);
}
// Redraw if necessary
if self.redraw {
// View
self.view();
// Set redraw to false
self.redraw = false;
}
}
/// ### will_umount
///
/// `will_umount` is the method which must be able to report to the activity manager, whether
/// the activity should be terminated or not.
/// If not, the call will return `None`, otherwise return`Some(ExitReason)`
fn will_umount(&self) -> Option<&ExitReason> {
self.exit_reason.as_ref()
}
/// ### 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) => {
ctx.clear_screen();
Some(ctx)
}
None => None,
}
}
}