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extern crate clipboard;
extern crate rustty;
use clipboard::ClipboardContext;
use rustty::{Terminal, Event, Cell, Color, Attr};
use rustty::ui::Painter;
use std::env;
use std::io::{self, BufRead};
use std::process::{self, Command};
use std::time::Duration;
struct Point {
x: usize,
y: usize,
}
/// Strips the part of a line before and including the first colon.
///
/// # Examples
///
/// ```
/// let value = strip_key("e: email@example.com");
/// assert_eq!(value, "email@example.com");
/// ```
fn strip_key(line: &str) -> &str {
let strings: Vec<&str> = line.split(": ").collect();
strings[1]
}
fn move_selection(term: &mut Terminal, selection: &mut Point, style: Cell, amount: isize) {
term.printline(selection.x, selection.y, " ");
let y = selection.y as isize;
selection.y = (y + amount) as usize;
term.printline_with_cell(selection.x, selection.y, "->", style);
}
fn parse_options(filename: &str) -> Vec<String> {
fn push_option(options: &mut Vec<String>, line: String) {
if line.starts_with("e: ") ||
line.starts_with("u: ") ||
line.starts_with("p: ") {
options.push(line);
}
}
let mut options = Vec::new();
if filename == "-" {
let stdin = io::stdin();
for line in stdin.lock().lines() {
let line = line.expect("Error reading from STDIN");
push_option(&mut options, line.to_owned());
}
} else {
let file = Command::new("pass")
.arg("show")
.arg(filename)
.output()
.expect("Error executing `pass`")
.stdout;
for line in String::from_utf8_lossy(&file).lines() {
push_option(&mut options, line.to_owned());
}
}
options
}
fn main() {
let args: Vec<String> = env::args().collect();
let input = if args.len() > 1 {
&args[1]
} else {
"-"
};
let options = parse_options(input);
if options.is_empty() {
process::exit(1);
}
let mut term = Terminal::new().unwrap();
term.swap_buffers().unwrap();
let knockout_cell = Cell::with_style(Color::White, Color::Black, Attr::Default);
let red_cell = Cell::with_style(Color::White, Color::Red, Attr::Default);
let green_cell = Cell::with_style(Color::White, Color::Green, Attr::Default);
let mut selection = Point { x: 0, y: 2 };
let mut clipboard_ctx = ClipboardContext::new().unwrap();
loop {
term.printline_with_cell(0, 0, "Passextract (Press q or Ctrl-C to quit)", knockout_cell);
term.printline_with_cell(selection.x, selection.y, "->", knockout_cell);
for (i, s) in options.iter().enumerate() {
term.printline(5, i + 2, s)
}
let evt = term.get_event(Duration::from_millis(100)).unwrap();
if let Some(Event::Key(ch)) = evt {
match ch {
'q' | '\x03' => {
break;
}
'j' => {
if selection.y < options.len() + 1 {
move_selection(&mut term, &mut selection, knockout_cell, 1)
}
}
'k' => {
if selection.y > 2 {
move_selection(&mut term, &mut selection, knockout_cell, -1)
}
}
'\x0D' => {
match clipboard_ctx.set_contents(strip_key(&options[selection.y - 2]).to_owned()) {
Ok(_) => {
term.printline_with_cell(selection.x, selection.y, "->", green_cell);
},
Err(_) => {
term.printline_with_cell(selection.x, selection.y, "->", red_cell);
}
}
}
_ => { continue }
}
}
term.swap_buffers().unwrap();
}
}
|
