/b-gtk/fix-viz

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

# This program 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 this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

__copyright__ = 'Copyright (C) 2008 Daniel Schierbeck'

__author__ = 'Daniel Schierbeck <daniel.schierbeck@gmail.com>'

import dbus

BUS_NAME = 'org.gnome.seahorse'

CRYPTO_INTERFACE = 'org.gnome.seahorse.CryptoService'

CRYPTO_PATH = '/org/gnome/seahorse/crypto'

OPENPGP_INTERFACE = 'org.gnome.seahorse.Keys'

OPENPGP_PATH = '/org/gnome/seahorse/keys/openpgp'

KEY_TYPE_OPENPGP = 'openpgp'

KEY_TYPE_SSH = 'ssh'

try:

    dbus.validate_bus_name(BUS_NAME)

except ValueError:

    raise ImportError

bus = dbus.SessionBus()

crypto = dbus.Interface(bus.get_object(BUS_NAME, CRYPTO_PATH), 

                        CRYPTO_INTERFACE)

openpgp = dbus.Interface(bus.get_object(BUS_NAME, OPENPGP_PATH),

                         OPENPGP_INTERFACE)

FLAG_VALID = 0x0001

FLAG_CAN_ENCRYPT = 0x0002

FLAG_CAN_SIGN = 0x0004

FLAG_EXPIRED = 0x0100

FLAG_REVOKED = 0x0200

FLAG_DISABLED = 0x0400

FLAG_TRUSTED = 0x1000

TRUST_NEVER = -1

TRUST_UNKNOWN = 0

TRUST_MARGINAL = 1

TRUST_FULL = 5

TRUST_ULTIMATE = 10

LOCATION_MISSING = 10

LOCATION_SEARCHING = 20

LOCATION_REMOTE = 50

LOCATION_LOCAL = 100

keyset = dict()

def verify(crypttext):

    (cleartext, key) = crypto.VerifyText(KEY_TYPE_OPENPGP, 1, crypttext)

    if key != "":

        if key not in keyset:

            keyset[key] = Key(key)

        return keyset[key]

class Key:

    def __init__(self, key):

        self.key = key

        self.fingerprint = None

        self.trust = None

        self.flags = None

        self.display_name = None

        self.location = None

        (keys, unmatched) = openpgp.MatchKeys([self.get_id()], 0x00000010)

        self.available = (key in keys)

    def get_field(self, field, default=None):

        (valid, value) = openpgp.GetKeyField(self.key, field)

        if valid:

            return value

        else:

            return default

    def get_flags(self):

        if self.flags is None:

            self.flags = self.get_field('flags', 0)

        return self.flags

    def get_display_name(self):

        if self.display_name is None:

            self.display_name = self.get_field('display-name')

        return self.display_name

    def get_id(self):

        return self.key.split(':')[1][8:]

    def get_fingerprint(self):

        if self.fingerprint is None:

            self.fingerprint = self.get_field('fingerprint')

        return self.fingerprint

    def get_trust(self):

        if self.trust is None:

            self.trust = self.get_field('trust', TRUST_UNKNOWN)

        return self.trust

    def get_location(self):

        if self.location is None:

            self.location = self.get_field('location', LOCATION_MISSING)

        return self.location

    def is_available(self):

        return self.available

    def is_trusted(self):

        return self.get_flags() & FLAG_TRUSTED