add curses interface

This commit is contained in:
ivan 2017-07-18 20:18:16 +03:00
parent ed23ad8528
commit 6d3eeb8434
1 changed files with 365 additions and 10 deletions

375
sshch.py
View File

@ -1,19 +1,46 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import division
from os import path
from sys import argv
from optparse import OptionParser
from getpass import getpass
from curses import textpad, panel
from math import *
import ConfigParser
import subprocess
import base64
import curses
# https://github.com/zlaxy/sshch
version="%prog 0.2"
version="0.3"
# path to conf file, default: ~/.config/sshch.conf
conf_file = path.expanduser("~") + '/.config/sshch.conf'
help_screen = (" Press:\n 'z'/'x' or arrows - navigation\n 'a' - " +
"add new alias\n 'e' - edit existing alias\n 'p' - " +
"set alias's password for sshpass [UNSAFE]\n " +
"'space' - select\n 'r' - remove selected alias/" +
"aliases\n 'c' - execute specific command with " +
"selected alias/aliases\n 'enter' - connect to " +
"selected alias/aliases\n 'q' - quit\n Run sshch " +
"with '--help' option to view command line help.\n " +
"Also, you can edit config file manually:\n " +
conf_file)
def AddNewAlias(alias):
if not conf.has_section(alias):
conf.add_section(alias)
conf.write(open(conf_file, "w"))
return 1
else:
return "error: '" + alias + "' already exists"
def SetAliasString(alias, string):
conf.set(alias, "exec_string", string)
conf.write(open(conf_file, "w"))
def Add(alias):
if not conf.has_section(alias):
conf.add_section(alias)
@ -42,18 +69,30 @@ def Edit(alias):
def List(option, opt, value, parser):
print ' '.join(str(p) for p in conf.sections())
def SetPassword(alias, string):
string = base64.b64encode(base64.b16encode(
base64.b32encode(string)))
conf.set(alias, "password", string)
conf.write(open(conf_file, "w"))
def Password(alias):
if conf.has_section(alias):
promptpass = ("[UNSAFE] Enter password for sshpass: ")
string = ""
while string == "":
string = getpass (promptpass)
string = base64.b64encode(base64.b16encode(base64.b32encode(string)))
string = base64.b64encode(base64.b16encode(
base64.b32encode(string)))
conf.set(alias, "password", string)
conf.write(open(conf_file, "w"))
else:
print "error: '" + alias + "' alias is not exists."
def RemoveAliases(aliases):
for alias in aliases:
conf.remove_section(alias)
conf.write(open(conf_file, "w"))
def Remove(alias):
if conf.has_section(alias):
promptremove = ("Type 'yes' if you sure to remove " +
@ -67,6 +106,26 @@ def Remove(alias):
else:
print "error: '" + alias + "' alias is not exists."
def ConnectAlias(alias, command=False):
exec_string = ""
if conf.has_option(alias, "password"):
password = base64.b32decode(base64.b16decode(
base64.b64decode(conf.get(alias, "password"))))
exec_string = "sshpass -p " + password + " "
exec_string = exec_string + conf.get(alias, "exec_string")
if command:
exec_string = exec_string + " " + command
p = subprocess.Popen(exec_string, shell=True)
streamdata = p.communicate()[0]
def CursesConnect(aliases, command=False):
for alias in aliases:
curses.endwin()
print "Connecting to " + alias + "..."
ConnectAlias(alias, command)
print "... " + alias + " finished."
exit()
def Connect(aliases, command):
for alias in aliases:
if conf.has_section(alias):
@ -92,8 +151,8 @@ def Options():
progname = path.basename(__file__)
epilog = ("Examples:\n " + progname + " existingalias\n " +
progname + " -a newremoteserver\n " + progname +
" --edit=newremoteserver -p newremoteserver\n " + progname +
' -c "ls -l" newremoteserver\n ' + progname +
" --edit=newremoteserver -p newremoteserver\n " +
progname + ' -c "ls -l" newremoteserver\n ' + progname +
" -c reboot existingalias newremoteserver\n" +
"Examples of connection string:\n " +
"ssh user@somehost.com\n " +
@ -101,7 +160,8 @@ def Options():
"ssh root@somehost.com -t tmux a\n" +
"Also, you can edit config file manually: " +
conf_file + "\n")
opts = FormatedParser(usage=usage, version=version, epilog=epilog)
opts = FormatedParser(usage=usage, version="%prog " + version,
epilog=epilog)
opts.add_option('-l', '--list', action = "callback", callback=List,
help="show list of all existing aliases")
opts.add_option('-a', '--add', action="store",
@ -137,9 +197,304 @@ def Options():
if alias:
Connect(alias, options.command)
conf = ConfigParser.RawConfigParser()
if not path.exists(conf_file):
open(conf_file, 'w')
conf.read(conf_file)
def TextBoxConfirm(value):
if value == 10:
value = 7
return value
def Panel(screen, h, w, y, x, text, text_colorpair=0, deco_colorpair=0,
confirm=0):
new_window = curses.newwin(h, w, y, x)
new_window.erase()
new_window.attron(deco_colorpair)
new_window.box()
new_window.attroff(deco_colorpair)
sub_window = new_window.subwin(h - 2, w - 2 , y + 1 , x + 1 )
sub_window.addstr(0, 0, text)
panel = curses.panel.new_panel(new_window)
curses.panel.update_panels()
screen.refresh()
if confirm == "password":
hidden_password = ""
keych = ""
position = 2
while 1:
keych = screen.getch()
if keych == ord("\n"):
break
if keych == 27:
hidden_password = ""
break
if keych == curses.KEY_BACKSPACE:
if position > 2:
sub_window.addstr(1, position - 1, " ",
text_colorpair)
sub_window.refresh()
position = position - 1
hidden_password = hidden_password[0:-1]
else:
hidden_password += curses.keyname(keych)
sub_window.addstr(1, position, "*", text_colorpair)
position += 1
sub_window.refresh()
return hidden_password
elif confirm == "remove":
keych = screen.getch()
if keych == ord("y") or keych == ord("Y"):
return "confirm"
return False
else:
screen.getch()
Options()
def TextBox(screen, h, w, y, x, title="", value="", text_colorpair=0,
deco_colorpair=0):
new_window = curses.newwin(h + 3, w + 2, y - 1, x - 1)
title_window = new_window.subwin(1, w , y , x)
title_window.addstr(0, 0, title, text_colorpair)
title_window.refresh()
sub_window = new_window.subwin(h, w, y + 1, x)
textbox_field = textpad.Textbox(sub_window, insert_mode=True)
new_window.attron(deco_colorpair)
new_window.box()
new_window.attroff(deco_colorpair)
new_window.refresh()
sub_window.addstr(0, 0 , value, text_colorpair)
sub_window.attron(text_colorpair)
return textbox_field
def CursesExit(screen):
curses.nocbreak()
screen.keypad(0)
curses.echo()
curses.endwin()
exit()
# curses template from: https://stackoverflow.com/a/30828805/6224462
def MainScreen():
strings = conf.sections()
row_num = len(strings)
selected_strings = [" " for i in range(0, row_num + 1)]
screen = curses.initscr()
curses.noecho()
curses.cbreak()
curses.start_color()
screen.keypad(1)
curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_CYAN)
highlight_text = curses.color_pair(1)
normal_text = curses.A_NORMAL
height, width = screen.getmaxyx()
screen.border(0)
curses.curs_set(0)
max_row = height - 5
screen.addstr(1, 2, "sshch " + version + ", press 'h' for help")
box = curses.newwin(max_row + 2, width - 2, 2, 1)
box.box()
pages = int(ceil(row_num / max_row))
position = 1
page = 1
for i in range(1, max_row + 1):
if row_num == 0:
box.addstr(1, 1, "There aren't any aliases yet. Press 'a'" +
" to add new one.", highlight_text)
else:
if (i == position):
box.addnstr(i, 2, "[" + selected_strings[i] + "] " +
str(i) + " " + strings[i - 1] + " (" +
conf.get(strings[i - 1], "exec_string") +
")", width - 6, highlight_text)
else:
box.addnstr(i, 2, "[" + selected_strings[i] + "] " +
str(i) + " " + strings[i - 1] + " (" +
conf.get(strings[i - 1], "exec_string") +
")", width - 6, normal_text)
if i == row_num:
break
screen.refresh()
box.refresh()
key_pressed = screen.getch()
while 1:
if key_pressed == ord('q') or key_pressed == ord(
'Q') or key_pressed == 27:
CursesExit(screen)
if key_pressed == ord('h') or key_pressed == ord(
'H') or key_pressed == 265:
Panel(screen, height - 4, width - 6, 2, 3, help_screen,
normal_text, highlight_text)
if key_pressed == ord('a') or key_pressed == ord('A'):
newalias = TextBox(screen, 1, width - 8, (height // 2) - 1,
4, "Enter new alias:", "", normal_text,
highlight_text)
addalias = newalias.edit(TextBoxConfirm)
if not addalias.rstrip() == "":
addresult = AddNewAlias(addalias.rstrip())
if not addresult == 1: Panel(screen, 3, width - 6,
(height // 2) - 1, 3,
addresult, normal_text,
highlight_text)
else:
addstr = ""
while addstr.rstrip() == "":
newstr = TextBox(screen, 3, width - 8,
(height // 2) - 1, 4,
"Enter full execution string:",
"ssh ", normal_text,
highlight_text)
addstr = newstr.edit(TextBoxConfirm)
SetAliasString(addalias.rstrip(), addstr.rstrip())
strings = conf.sections()
row_num = len(strings)
selected_strings.append(" ")
pages = int(ceil(row_num / max_row))
box.refresh()
if key_pressed == ord('e') or key_pressed == ord('E'):
editstr = ""
while editstr.rstrip() == "":
newstr = TextBox(screen, 3, width - 8,
(height // 2) - 1, 4,
"Enter new execution string:",
conf.get(strings[position - 1],
"exec_string"),
normal_text, highlight_text)
editstr = newstr.edit(TextBoxConfirm)
SetAliasString(strings[position - 1], editstr.rstrip())
strings = conf.sections()
if key_pressed == ord('p') or key_pressed == ord('P'):
password = ""
password = Panel(screen, 4, width - 6, (height // 2) - 1, 3,
" Enter user password for sshpass and " +
"press 'enter':\n>", normal_text,
highlight_text, "password")
if not password == "":
SetPassword(strings[position - 1], password)
if key_pressed == ord('r') or key_pressed == ord('R'):
selected = []
for i in range(1, row_num + 1):
if selected_strings[i] == "*":
selected.append(strings[i - 1])
if len(selected) > 0:
remove_confirm = ("Are you sure to remove " +
str(len(selected)) +
" selected aliases? (y/N)")
else:
remove_confirm = ("Are you sure to remove '" +
strings[position - 1] +
"' alias? (y/N)")
selected.append(strings[position - 1])
remove = Panel(screen, 4, width - 6, (height // 2) - 1, 3,
remove_confirm, normal_text, highlight_text,
"remove")
if remove == "confirm":
RemoveAliases(selected)
strings = conf.sections()
row_num = len(strings)
selected_strings = [" " for i in range(0, row_num + 1)]
pages = int(ceil(row_num / max_row))
position = 1
page = 1
box.refresh()
if key_pressed == ord('c') or key_pressed == ord('C'):
selected = []
for i in range(1, row_num + 1):
if selected_strings[i] == "*":
selected.append(strings[i - 1])
if not len(selected) > 0:
selected.append(strings[position - 1])
newcstr = TextBox(screen, 3, width - 8,
(height // 2) - 1, 4,
"Enter specific command to execute with" +
" selected alias/aliases:", "",
normal_text, highlight_text)
cstr = newcstr.edit(TextBoxConfirm)
CursesConnect(selected, cstr.rstrip())
if key_pressed == curses.KEY_DOWN or key_pressed == ord(
'x') or key_pressed == ord('X'):
if page == 1:
if position < i:
position = position + 1
else:
if pages > 1:
page = page + 1
position = 1 + (max_row * (page - 1))
elif page == pages:
if position < row_num:
position = position + 1
else:
if position < max_row + (max_row * (page - 1)):
position = position + 1
else:
page = page + 1
position = 1 + (max_row * (page - 1))
if key_pressed == curses.KEY_UP or key_pressed == ord(
'z') or key_pressed == ord('Z'):
if page == 1:
if position > 1:
position = position - 1
else:
if position > (1 + (max_row * (page - 1))):
position = position - 1
else:
page = page - 1
position = max_row + (max_row * (page - 1))
if key_pressed == curses.KEY_LEFT or (key_pressed ==
curses.KEY_PPAGE):
if page > 1:
page = page - 1
position = 1 + (max_row * (page - 1))
if key_pressed == curses.KEY_RIGHT or (key_pressed ==
curses.KEY_NPAGE):
if page < pages:
page = page + 1
position = (1 + (max_row * (page - 1)))
if key_pressed == ord("\n") and row_num != 0:
selected = []
for i in range(1, row_num + 1):
if selected_strings[i] == "*":
selected.append(strings[i - 1])
if not len(selected) > 0:
selected.append(strings[position - 1])
CursesConnect(selected)
if key_pressed == 32:
if selected_strings[position] == ' ':
selected_strings[position] = '*'
else: selected_strings[position] = ' '
box.erase()
screen.border(0)
box.border(0)
for i in range(1 + (max_row * (page - 1)), max_row + 1 +
(max_row * (page - 1))):
if row_num == 0:
box.addstr(1, 1, "There aren't any aliases yet. Press" +
" 'a' to add new one.", highlight_text)
else:
if (i + (max_row * (page - 1)) == (position +
(max_row * (page - 1)))):
box.addnstr(i - (max_row * (page - 1)), 2, "[" +
selected_strings[i] + "] " + str(i) +
" " + strings[i - 1] + " (" +
conf.get(strings[i - 1],
"exec_string") + ")", width - 6,
highlight_text)
else:
box.addnstr(i - (max_row * (page - 1)), 2, "[" +
selected_strings[i] + "] " + str(i) +
" " + strings[i - 1] + " (" +
conf.get(strings[i - 1],
"exec_string") + ")", width - 6,
normal_text)
if i == row_num:
break
screen.refresh()
box.refresh()
key_pressed = screen.getch()
CursesExit(screen)
if __name__ == "__main__":
conf = ConfigParser.RawConfigParser()
if not path.exists(conf_file):
open(conf_file, 'w')
conf.read(conf_file)
if len(argv) > 1:
Options()
else:
MainScreen()