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?? __init__.py(1.36 KB)
?? __pycache__
?? base.py(114.74 KB)
?? callback.py(3.64 KB)
?? cli
?? comps.py(24.24 KB)
?? conf
?? const.py(2.31 KB)
?? crypto.py(5.98 KB)
?? db
?? dnssec.py(11.06 KB)
?? drpm.py(6.2 KB)
?? exceptions.py(5.71 KB)
?? goal.py(1.08 KB)
?? history.py(1.12 KB)
?? i18n.py(12.03 KB)
?? lock.py(5.2 KB)
?? logging.py(10.11 KB)
?? match_counter.py(3.83 KB)
?? module
?? package.py(10.94 KB)
?? persistor.py(4.61 KB)
?? plugin.py(9.33 KB)
?? pycomp.py(3.52 KB)
?? query.py(1.55 KB)
?? repo.py(20.32 KB)
?? repodict.py(5.04 KB)
?? rpm
?? sack.py(2.97 KB)
?? selector.py(1.1 KB)
?? subject.py(1.12 KB)
?? transaction.py(4.29 KB)
?? transaction_sr.py(25.59 KB)
?? util.py(19.9 KB)
?? yum

Editing: crypto.py

# crypto.py
# Keys and signatures.
#
# Copyright (C) 2014  Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.  Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#

from __future__ import print_function
from __future__ import absolute_import
from __future__ import unicode_literals
from dnf.i18n import _
import contextlib
import dnf.pycomp
import dnf.util
import dnf.yum.misc
import io
import logging
import os
import tempfile

try:
    from gpg import Context
    from gpg import Data
except ImportError:
    import gpgme

class Context(object):
        def __init__(self):
            self.__dict__["ctx"] = gpgme.Context()

def __enter__(self):
            return self

def __exit__(self, type, value, tb):
            pass

@property
        def armor(self):
            return self.ctx.armor

@armor.setter
        def armor(self, value):
            self.ctx.armor = value

def op_import(self, key_fo):
            if isinstance(key_fo, basestring):
                key_fo = io.BytesIO(key_fo)
            self.ctx.import_(key_fo)

def op_export(self, pattern, mode, keydata):
            self.ctx.export(pattern, keydata)

def __getattr__(self, name):
            return getattr(self.ctx, name)

class Data(object):
        def __init__(self):
            self.__dict__["buf"] = io.BytesIO()

def __enter__(self):
            return self

def __exit__(self, type, value, tb):
            pass

def read(self):
            return self.buf.getvalue()

def __getattr__(self, name):
            return getattr(self.buf, name)

GPG_HOME_ENV = 'GNUPGHOME'
logger = logging.getLogger('dnf')

def _extract_signing_subkey(key):
    return dnf.util.first(subkey for subkey in key.subkeys if subkey.can_sign)

def _printable_fingerprint(fpr_hex):
    segments = (fpr_hex[i:i + 4] for i in range(0, len(fpr_hex), 4))
    return " ".join(segments)

def import_repo_keys(repo):
    gpgdir = repo._pubring_dir
    known_keys = keyids_from_pubring(gpgdir)
    for keyurl in repo.gpgkey:
        for keyinfo in retrieve(keyurl, repo):
            keyid = keyinfo.id_
            if keyid in known_keys:
                logger.debug(_('repo %s: 0x%s already imported'), repo.id, keyid)
                continue
            if not repo._key_import._confirm(keyinfo):
                continue
            dnf.yum.misc.import_key_to_pubring(
                keyinfo.raw_key, keyinfo.short_id, gpgdir=gpgdir,
                make_ro_copy=False)
            logger.debug(_('repo %s: imported key 0x%s.'), repo.id, keyid)

def keyids_from_pubring(gpgdir):
    if not os.path.exists(gpgdir):
        return []

with pubring_dir(gpgdir), Context() as ctx:
        keyids = []
        for k in ctx.keylist():
            subkey = _extract_signing_subkey(k)
            if subkey is not None:
                keyids.append(subkey.keyid)
        return keyids

def log_key_import(keyinfo):
    msg = (_('Importing GPG key 0x%s:\n'
             ' Userid     : "%s"\n'
             ' Fingerprint: %s\n'
             ' From       : %s') %
           (keyinfo.short_id, keyinfo.userid,
            _printable_fingerprint(keyinfo.fingerprint),
            keyinfo.url.replace("file://", "")))
    logger.critical("%s", msg)

def log_dns_key_import(keyinfo, dns_result):
    log_key_import(keyinfo)
    if dns_result == dnf.dnssec.Validity.VALID:
        logger.critical(_('Verified using DNS record with DNSSEC signature.'))
    else:
        logger.critical(_('NOT verified using DNS record.'))

@contextlib.contextmanager
def pubring_dir(pubring_dir):
    orig = os.environ.get(GPG_HOME_ENV, None)
    os.environ[GPG_HOME_ENV] = pubring_dir
    try:
        yield
    finally:
        if orig is None:
            del os.environ[GPG_HOME_ENV]
        else:
            os.environ[GPG_HOME_ENV] = orig

def rawkey2infos(key_fo):
    pb_dir = tempfile.mkdtemp()
    keyinfos = []
    with pubring_dir(pb_dir), Context() as ctx:
        ctx.op_import(key_fo)
        for key in ctx.keylist():
            subkey = _extract_signing_subkey(key)
            if subkey is None:
                continue
            keyinfos.append(Key(key, subkey))
        ctx.armor = True
        for info in keyinfos:
            with Data() as sink:
                ctx.op_export(info.id_, 0, sink)
                sink.seek(0, os.SEEK_SET)
                info.raw_key = sink.read()
    dnf.util.rm_rf(pb_dir)
    return keyinfos

def retrieve(keyurl, repo=None):
    if keyurl.startswith('http:'):
        logger.warning(_("retrieving repo key for %s unencrypted from %s"), repo.id, keyurl)
    with dnf.util._urlopen(keyurl, repo=repo) as handle:
        keyinfos = rawkey2infos(handle)
    for keyinfo in keyinfos:
        keyinfo.url = keyurl
    return keyinfos

class Key(object):
    def __init__(self, key, subkey):
        self.id_ = subkey.keyid
        self.fingerprint = subkey.fpr
        self.raw_key = None
        self.timestamp = subkey.timestamp
        self.url = None
        self.userid = key.uids[0].uid

@property
    def short_id(self):
        rj = '0' if dnf.pycomp.PY3 else b'0'
        return self.id_[-8:].rjust(8, rj)

@property
    def rpm_id(self):
        return self.short_id.lower()

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Editing: crypto.py

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