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#
#-*- coding:utf-8 -*-
"""
Gentoo-Keys - gkeygen/actions.py
Primary API interface module
@copyright: 2014 by Pavlos Ratis <dastergon@gentoo.org>
@license: GNU GPL2, see COPYING for details
"""
import gpgme
import os
import re
import shutil
import sys
from collections import OrderedDict
if sys.version_info[0] >= 3:
from urllib.request import urlopen
py_input = input
_unicode = str
else:
from urllib2 import urlopen
py_input = raw_input
_unicode = unicode
from gkeys.fileops import ensure_dirs
Action_Map = OrderedDict({
'gen-key': {
'func': 'genkey',
'options': ['spec', 'dest'],
'desc': '''Generate a gpg key using a spec file''',
'long_desc': '''Generate a gpg key using a spec file''',
'example': '''''',
},
'list-specs': {
'func': 'list_specs',
'options': [],
'desc': '''List spec file definitions (spec names) found in the config''',
'long_desc': '''List spec file definitions (spec names) found in the config.
The default-spec setting when the pkg was installed is set to glep-63-recommended.''',
'example': '''$ gkey-gen list-specs
Gkey task results:
Specs defined: glep-63, default-spec, glep-63-recommended
''',
},
})
Available_Actions = ['gen-key', 'list-specs']
LARRY = """
____________________
< Generating GPG key >
--------------------
\ ^__^
\ (oo)\_______
(__)\ )\/
||----w |
|| ||"""
GPG_INFO_STRING = """
GPG key info:
Full Name: %s,
Email: %s,
Fingerprint: %s
"""
class Actions(object):
def __init__(self, config, output=None, logger=None):
self.config = config
self.output = output
self.logger = logger
def genkey(self, args):
'''Generate a gpg key using a spec file'''
messages = []
if not args.destination:
gpghome = self.config.get_key('gkeys-gen', 'gpg-home')
else:
if os.path.exists(args.destination):
gpghome = os.path.join(args.destination, 'gpghome')
else:
messages.extend(['', "Aborting... %s path does not exist." % args.destination])
return (False, messages)
self.logger.debug("MAIN: _action_genkey; setting gpghome destination: %s" % gpghome)
self.logger.debug("MAIN: _action_genkey; args= %s" % str(args))
if not args.spec:
args.spec = self.config.get_key('spec', 'default-spec')
key_params = self.get_input(args)
ack = None
while ack not in ["y", "yes", "n", "no"]:
ack = py_input("Continue?[y/n]: ").lower()
if ack in ["n", "no"]:
messages.extend(['', "\nKey generation aborted."])
return (False. messages)
elif ack in ["y", "yes"]:
# Set the environment to custom gpg directory
os.environ['GNUPGHOME'] = gpghome
gpghome_full_path = os.path.abspath(gpghome)
self.logger.info("MAIN: _action_genkey; create custom gpg directory: %s" % gpghome_full_path)
self.output(["\n* Creating gpg folder at %s" % gpghome_full_path])
ensure_dirs(gpghome)
# Copy default gpg-conf.skel and append glep63 requirements
self.output(["* Creating gpg.conf file at %s" % gpghome_full_path])
newgpgconfpath = os.path.join(gpghome, 'gpg.conf')
shutil.copy('/usr/share/gnupg/gpg-conf.skel', newgpgconfpath)
with open(newgpgconfpath, 'a') as conf:
for line in urlopen(self.config.get_key('gpg-urls', args.spec)):
conf.write(_unicode(line.decode('utf-8')))
# Key generation
ctx = gpgme.Context()
self.logger.info("MAIN: _action_genkey: Generating GPG key...")
self.output([LARRY])
self.output(["* Give the password for the key. (Pick a strong one)",
" Please surf the internet, type on your keyboard, etc. ",
" This helps the random number generator work effectively"])
try:
result = ctx.genkey(key_params)
except gpgme.GpgmeError as e:
self.logger.debug("MAIN: _action_genkey: GpgmeError: %s" % str(e))
self.logger.debug("MAIN: _action_genkey: Aborting... Failed to get a password.")
messages.extend(['', "Aborting... Failed to get a password."])
return (False, messages)
key = ctx.get_key(result.fpr, True)
self.logger.debug("MAIN: _action_genkey: Generated key: %s - %s"
% (key.uids[0].uid, key.subkeys[0].fpr))
self.output(["Your new GLEP 63 based OpenPGP key has been created in %s" % gpghome_full_path])
self.output([GPG_INFO_STRING % (key.uids[0].name, key.uids[0].email,
key.subkeys[0].fpr)])
self.output(["In order to use your new key, place the new gpghome to your ~/.gnupg folder by running the following command:",
" mv %s ~/.gnupg" % gpghome_full_path,
"Important: If you have another old key in ~/.gnupg please make sure you backup it up first.\n",
"Please read the FAQ for post-generation steps that are available in:",
"https://wiki.gentoo.org/wiki/Project:Gentoo-keys/Generating_GLEP_63_based_OpenPGP_keys"])
return (True, messages)
def get_input(self, args):
'''Interactive user input'''
self.output(['', "GPG key creator",
" Spec file..: %s" % args.spec,
" Homepage...: %s"
% self.config.get_key('spec-homepage', args.spec),
])
name = py_input("Give your Full Name: ")
email = py_input("Give your Email: ")
while not re.match(r'[\w.-]+@[\w.-]+', email):
self.output(["\nBad email input. Try again."])
email = py_input("Give your Email: ")
print("\nReview:\n Full Name: %s\n Email: %s\n" % (name, email))
url = self.config.get_key('spec-urls', args.spec)
key_properties = urlopen(url).read()
return _unicode(key_properties.decode('utf-8')).format(name, email)
def list_specs(self, args):
'''List seed file definitions found in the config'''
specs = list(self.config.get_key('spec'))
return (True, {"Specs defined: %s\n"
% (", ".join(specs)): True})
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