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 #!/usr/bin/env python
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
from __future__ import division
from os import path from os import path
from sys import argv from sys import argv
from optparse import OptionParser from optparse import OptionParser
from getpass import getpass from getpass import getpass
from curses import textpad, panel
from math import *
import ConfigParser import ConfigParser
import subprocess import subprocess
import base64 import base64
import curses
# https://github.com/zlaxy/sshch # https://github.com/zlaxy/sshch
version="%prog 0.2" version="0.3"
# path to conf file, default: ~/.config/sshch.conf # path to conf file, default: ~/.config/sshch.conf
conf_file = path.expanduser("~") + '/.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): def Add(alias):
if not conf.has_section(alias): if not conf.has_section(alias):
conf.add_section(alias) conf.add_section(alias)
@ -42,18 +69,30 @@ def Edit(alias):
def List(option, opt, value, parser): def List(option, opt, value, parser):
print ' '.join(str(p) for p in conf.sections()) 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): def Password(alias):
if conf.has_section(alias): if conf.has_section(alias):
promptpass = ("[UNSAFE] Enter password for sshpass: ") promptpass = ("[UNSAFE] Enter password for sshpass: ")
string = "" string = ""
while string == "": while string == "":
string = getpass (promptpass) 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.set(alias, "password", string)
conf.write(open(conf_file, "w")) conf.write(open(conf_file, "w"))
else: else:
print "error: '" + alias + "' alias is not exists." 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): def Remove(alias):
if conf.has_section(alias): if conf.has_section(alias):
promptremove = ("Type 'yes' if you sure to remove " + promptremove = ("Type 'yes' if you sure to remove " +
@ -67,6 +106,26 @@ def Remove(alias):
else: else:
print "error: '" + alias + "' alias is not exists." 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): def Connect(aliases, command):
for alias in aliases: for alias in aliases:
if conf.has_section(alias): if conf.has_section(alias):
@ -92,8 +151,8 @@ def Options():
progname = path.basename(__file__) progname = path.basename(__file__)
epilog = ("Examples:\n " + progname + " existingalias\n " + epilog = ("Examples:\n " + progname + " existingalias\n " +
progname + " -a newremoteserver\n " + progname + progname + " -a newremoteserver\n " + progname +
" --edit=newremoteserver -p newremoteserver\n " + progname + " --edit=newremoteserver -p newremoteserver\n " +
' -c "ls -l" newremoteserver\n ' + progname + progname + ' -c "ls -l" newremoteserver\n ' + progname +
" -c reboot existingalias newremoteserver\n" + " -c reboot existingalias newremoteserver\n" +
"Examples of connection string:\n " + "Examples of connection string:\n " +
"ssh user@somehost.com\n " + "ssh user@somehost.com\n " +
@ -101,7 +160,8 @@ def Options():
"ssh root@somehost.com -t tmux a\n" + "ssh root@somehost.com -t tmux a\n" +
"Also, you can edit config file manually: " + "Also, you can edit config file manually: " +
conf_file + "\n") 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, opts.add_option('-l', '--list', action = "callback", callback=List,
help="show list of all existing aliases") help="show list of all existing aliases")
opts.add_option('-a', '--add', action="store", opts.add_option('-a', '--add', action="store",
@ -137,9 +197,304 @@ def Options():
if alias: if alias:
Connect(alias, options.command) Connect(alias, options.command)
conf = ConfigParser.RawConfigParser() def TextBoxConfirm(value):
if not path.exists(conf_file): if value == 10:
open(conf_file, 'w') value = 7
conf.read(conf_file) return value
Options() 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()
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()