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https://github.com/Mikaela/Limnoria.git
synced 2024-10-06 11:28:45 +02:00
User: Add support for authentication via GPG.
This commit is contained in:
Valentin Lorentz
parent
cd0bfe411a
commit
97bffbdef1
@ -47,4 +47,13 @@ User = conf.registerPlugin('User')
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# conf.registerGlobalValue(User, 'someConfigVariableName',
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# registry.Boolean(False, """Help for someConfigVariableName."""))
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conf.registerGroup(User, 'gpg')
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conf.registerGlobalValue(User.gpg, 'enable',
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registry.Boolean(True, """Determines whether or not users are
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allowed to use GPG for authentication."""))
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conf.registerGlobalValue(User.gpg, 'TokenTimeout',
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registry.PositiveInteger(60*10, """Determines the lifetime of a GPG
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authentication token (in seconds)."""))
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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@ -28,10 +28,12 @@
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###
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import re
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import uuid
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import time
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import fnmatch
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import supybot.gpg as gpg
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import supybot.conf as conf
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import supybot.gpg as gpg
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import supybot.utils as utils
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import supybot.ircdb as ircdb
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from supybot.commands import *
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@ -384,13 +386,22 @@ class User(callbacks.Plugin):
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additional('something', '')])
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class gpg(callbacks.Commands):
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def __init__(self, *args):
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super(User.gpg, self).__init__(*args)
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self._tokens = {}
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def callCommand(self, command, irc, msg, *args, **kwargs):
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if gpg.available:
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return super(gpg, self) \
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if gpg.available and self.registryValue('gpg.enable'):
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return super(User.gpg, self) \
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.callCommand(command, irc, msg, *args, **kwargs)
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else:
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irc.error(_('GPG features are not enabled.'))
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def _expire_tokens(self):
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now = time.time()
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self._tokens = dict(filter(lambda (x,y): y[1]>now,
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self._tokens.items()))
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@internationalizeDocstring
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def add(self, irc, msg, args, user, keyid, keyserver):
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"""<key id> <key server>
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@ -432,6 +443,63 @@ class User(callbacks.Plugin):
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irc.error(_('GPG key not associated with your account.'))
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remove = wrap(remove, ['user', 'somethingWithoutSpaces'])
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@internationalizeDocstring
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def gettoken(self, irc, msg, args):
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"""takes no arguments
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Send you a token that you'll have to sign with your key."""
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self._expire_tokens()
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token = '{%s}' % str(uuid.uuid4())
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lifetime = conf.supybot.plugins.User.gpg.TokenTimeout()
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self._tokens.update({token: (msg.prefix, time.time()+lifetime)})
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irc.reply(_('Your token is: %s. Please sign it with your '
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'GPG key, paste it somewhere, and call the \'auth\' '
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'command with the URL to the (raw) file containing the '
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'signature.') % token)
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gettoken = wrap(gettoken, [])
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_auth_re = re.compile(r'-----BEGIN PGP SIGNED MESSAGE-----\r?\n'
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r'Hash: .*\r?\n\r?\n'
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r'\s*({[0-9a-z-]+})\s*\r?\n'
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r'-----BEGIN PGP SIGNATURE-----\r?\n.*'
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r'\r?\n-----END PGP SIGNATURE-----',
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re.S)
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@internationalizeDocstring
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def auth(self, irc, msg, args, url):
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"""<url>
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Check the GPG signature at the <url> and authenticates you if
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the key used is associated to a user."""
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self._expire_tokens()
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match = self._auth_re.search(utils.web.getUrl(url))
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if not match:
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irc.error(_('Signature or token not found.'), Raise=True)
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data = match.group(0)
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token = match.group(1)
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if token not in self._tokens:
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irc.error(_('Unknown token. It may have expired before you '
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'submit it.'), Raise=True)
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if self._tokens[token][0] != msg.prefix:
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irc.error(_('Your hostname/nick changed in the process. '
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'Authentication aborted.'))
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verified = gpg.keyring.verify(data)
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if verified and verified.valid:
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keyid = verified.key_id
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prefix, expiry = self._tokens.pop(token)
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found = False
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for (id, user) in ircdb.users.items():
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if keyid in map(lambda x:x[-len(keyid):], user.gpgkeys):
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user.addAuth(msg.prefix)
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ircdb.users.setUser(user, flush=False)
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irc.reply(_('You are now authenticated as %s.') %
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user.name)
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return
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irc.error(_('Unknown GPG key.'), Raise=True)
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else:
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irc.error(_('Signature could not be verified. Make sure '
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'this is a valid GPG signature and the URL is valid.'))
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auth = wrap(auth, ['url'])
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@internationalizeDocstring
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def capabilities(self, irc, msg, args, user):
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"""[<name>]
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@ -27,11 +27,57 @@
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# POSSIBILITY OF SUCH DAMAGE.
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###
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import supybot.gpg as gpg
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from supybot.test import *
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import re
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from cStringIO import StringIO
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import supybot.gpg as gpg
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from supybot.test import PluginTestCase, network
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import supybot.conf as conf
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import supybot.world as world
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import supybot.ircdb as ircdb
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import supybot.utils as utils
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PRIVATE_KEY = """
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-----BEGIN PGP PRIVATE KEY BLOCK-----
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Version: GnuPG v1.4.12 (GNU/Linux)
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lQHYBFD7GxQBBACeu7bj/wgnnv5NkfHImZJVJLaq2cwKYc3rErv7pqLXpxXZbDOI
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jP+5eSmTLhPUK67aRD6gG0wQ9iAhYR03weOmyjDGh0eF7kLYhu/4Il56Y/YbB8ll
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Imz/pep/Hi72ShcW8AtifDup/KeHjaWa1yF2WThHbX/0N2ghSxbJnatpBwARAQAB
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AAP6Arf7le7FD3ZhGZvIBkPr25qca6i0Qxb5XpOinV7jLcoycZriJ9Xofmhda9UO
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xhNVppMvs/ofI/m0umnR4GLKtRKnJSc8Edxi4YKyqLehfBTF20R/kBYPZ772FkNW
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Kzo5yCpP1jpOc0+QqBuU7OmrG4QhQzTLXIUgw4XheORncEECAMGkvR47PslJqzbY
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VRIzWEv297r1Jxqy6qgcuCJn3RWYJbEZ/qdTYy+MgHGmaNFQ7yhfIzkBueq0RWZp
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Z4PfJn8CANHZGj6AJZcvb+VclNtc5VNfnKjYD+qQOh2IS8NhE/0umGMKz3frH1TH
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yCbh2LlPR89cqNcd4QvbHKA/UmzISXkB/37MbUnxXTpS9Y4HNpQCh/6SYlB0lucV
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QN0cgjfhd6nBrb6uO6+u40nBzgynWcEpPMNfN0AtQeA4Dx+WrnK6kZqfd7QMU3Vw
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eWJvdCB0ZXN0iLgEEwECACIFAlD7GxQCGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4B
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AheAAAoJEMnTMjwgrwErV3AD/0kRq8UWPlkc6nyiIR6qiT3EoBNHKIi4cz68Wa1u
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F2M6einrRR0HolrxonynTGsdr1u2f3egOS4fNfGhTNAowSefYR9q5kIYiYE2DL5G
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YnjJKNfmnRxZM9YqmEnN50rgu2cifSRehp61fXdTtmOAR3js+9wb73dwbYzr3kIc
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3WH1
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=UBcd
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-----END PGP PRIVATE KEY BLOCK-----
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"""
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WRONG_TOKEN_SIGNATURE = """
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-----BEGIN PGP SIGNED MESSAGE-----
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Hash: SHA1
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{a95dc112-780e-47f7-a83a-c6f3820d7dc3}
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-----BEGIN PGP SIGNATURE-----
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Version: GnuPG v1.4.12 (GNU/Linux)
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iJwEAQECAAYFAlD7Jb0ACgkQydMyPCCvASv9HgQAhQf/oFMWcKwGncH0hjXC3QYz
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7ck3chgL3S1pPAvS69viz6i2bwYZYD8fhzHNJ/qtw/rx6thO6PwT4SpdhKerap+I
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kdem3LjM4fAGHRunHZYP39obNKMn1xv+f26mEAAWxdv/W/BLAFqxi3RijJywRkXm
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zo5GUl844kpnV+uk0Xk=
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=z2Cz
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-----END PGP SIGNATURE-----
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"""
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FINGERPRINT = '2CF3E41500218D30F0B654F5C9D3323C20AF012B'
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class UserTestCase(PluginTestCase):
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plugins = ('User',)
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@ -142,7 +188,7 @@ class UserTestCase(PluginTestCase):
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self.assertNotError('load Seen')
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self.assertResponse('user list', 'Foo')
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if network:
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if gpg.available and network:
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def testGpgAddRemove(self):
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self.assertNotError('register foo bar')
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self.assertError('user gpg add 51E516F0B0C5CE6A pgp.mit.edu')
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@ -155,6 +201,46 @@ class UserTestCase(PluginTestCase):
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self.assertResponse('user gpg add EB17F1E0CEB63930 pgp.mit.edu',
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'Error: This key is already associated with your account.')
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if gpg.available:
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def testGpgAuth(self):
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self.assertNotError('register spam egg')
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gpg.keyring.import_keys(PRIVATE_KEY).__dict__
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(id, user) = ircdb.users.items()[0]
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user.gpgkeys.append(FINGERPRINT)
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msg = self.getMsg('gpg gettoken').args[-1]
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match = re.search('is: ({.*}).', msg)
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assert match, repr(msg)
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token = match.group(1)
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def fakeGetUrlFd(*args, **kwargs):
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return fd
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(utils.web.getUrlFd, realGetUrlFd) = (fakeGetUrlFd, utils.web.getUrlFd)
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fd = StringIO()
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fd.write('foo')
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fd.seek(0)
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self.assertResponse('gpg auth http://foo.bar/baz.gpg',
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'Error: Signature or token not found.')
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fd = StringIO()
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fd.write(token)
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fd.seek(0)
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self.assertResponse('gpg auth http://foo.bar/baz.gpg',
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'Error: Signature or token not found.')
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fd = StringIO()
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fd.write(WRONG_TOKEN_SIGNATURE)
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fd.seek(0)
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self.assertRegexp('gpg auth http://foo.bar/baz.gpg',
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'Error: Unknown token.*')
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fd = StringIO()
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fd.write(str(gpg.keyring.sign(token)))
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fd.seek(0)
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self.assertResponse('gpg auth http://foo.bar/baz.gpg',
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'You are now authenticated as spam.')
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utils.web.getUrlFd = realGetUrlFd
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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