pwman3/pwman/ui/win.py

""""
# ============================================================================
# This file is part of Pwman3.
#
# Pwman3 is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2
# as published by the Free Software Foundation;
#
# Pwman3 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 Pwman3; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
# ============================================================================
# Copyright (C) 2012 Oz Nahum <nahumoz@gmail.com>
# ============================================================================
# Copyright (C) 2006 Ivan Kelly <ivan@ivankelly.net>
# ============================================================================
"""
from __future__ import print_function
from pwman.ui.cli import PwmanCliNew
from pwman.data.nodes import NewNode
from pwman.ui import tools
import time

import pwman.util.config as config
import ast
from pwman.util.crypto import zerome
from colorama import Fore

try:
    import msvcrt
except ImportError:
    pass


class PwmanCliWinNew(PwmanCliNew):
    """
    windows ui class
    """
    def do_new(self, args):
        """
        can override default config settings the following way:
        Pwman3 0.2.1 (c) visit: http://github.com/pwman3/pwman3
        pwman> n {'leetify':False, 'numerics':True, 'special_chars':True}
        Password (Blank to generate):
        """
        errmsg = """could not parse config override, please input some"""\
                 + """ kind of dictionary, e.g.: n {'leetify':False, """\
                 + """'numerics':True, 'special_chars':True}"""
        try:
            username = self.get_username()
            if args:
                try:
                    args = ast.literal_eval(args)
                except Exception:
                    raise Exception(errmsg)
                if not isinstance(args, dict):
                    raise Exception(errmsg)
                password = self.get_password(1, **args)
            else:
                numerics = config.get_value(
                    "Generator", "numerics").lower() == 'true'
                # TODO: allow custom leetifying through the config
                leetify = config.get_value(
                    "Generator", "leetify").lower() == 'true'
                special_chars = config.get_value(
                    "Generator", "special_chars").lower() == 'true'
                password = self.get_password(0,
                                             numerics=numerics,
                                             symbols=leetify,
                                             special_signs=special_chars)
            url = self.get_url()
            notes = self.get_notes()
            node = NewNode(username, password, url, notes)
            tags = self.get_tags()
            node.tags = tags
            self._db.addnodes([node])
            print("Password ID: %d" % (node._id))
            # when done with node erase it
            zerome(password)
        except Exception as e:
            self.error(e)

    def print_node(self, node):
        width = str(tools._defaultwidth)
        print("Node {}.".format(node._id))
        print("{} {}".format(tools.typeset("Username:", Fore.RED).ljust(width),
                             node.username))
        print ("{} {}".format(tools.typeset("Password:", Fore.RED).ljust(width),
                              node.password))
        print("{} {}".format(tools.typeset("Url:", Fore.RED).ljust(width), node.url))
        print("{} {}".format(tools.typeset("Notes:", Fore.RED).ljust(width), node.notes))
        print("{}".format(tools.typeset("Tags: ", Fore.RED)), end=" ")
        for t in node.tags:
            print(t.name)

        def heardEnterWin():
            c = msvcrt.kbhit()
            if c == 1:
                ret = msvcrt.getch()
                if ret is not None:
                    return True
            return False

        def waituntil_enter(somepredicate, timeout, period=0.25):
            mustend = time.time() + timeout
            while time.time() < mustend:
                cond = somepredicate()
                if cond:
                    break
                time.sleep(period)
            self.do_cls('')

        flushtimeout = int(config.get_value("Global", "cls_timeout"))
        if flushtimeout > 0:
            print("Press any key to flush screen (autoflash "
                  "in %d sec.)" % flushtimeout)
            waituntil_enter(heardEnterWin, flushtimeout)