def verify(filename, require_signature=True):
with open(fixture(filename), mode='rb') as fh:
data = fh.read()
return SignedFile(data, [keyring], require_signature)
def strip_pgp_signature(filename):
with utils.open_file(filename) as f:
data = f.read()
signedfile = SignedFile(data, keyrings=(), require_signature=False)
return signedfile.contents
def evaluate(self):
"""evaluate commands file
@rtype: bool
@returns: C{True} if the file was processed sucessfully,
C{False} otherwise
"""
result = True
session = DBConn().session()
keyrings = session.query(Keyring).filter_by(active=True).order_by(Keyring.priority)
keyring_files = [ k.keyring_name for k in keyrings ]
signed_file = SignedFile(self.data, keyring_files)
if not signed_file.valid:
self.log.log(['invalid signature', self.filename])
return False
self.fingerprint = session.query(Fingerprint).filter_by(fingerprint=signed_file.primary_fingerprint).one()
if self.fingerprint.keyring is None:
self.log.log(['singed by key in unknown keyring', self.filename])
return False
assert self.fingerprint.keyring.active
self.log.log(['processing', self.filename, 'signed-by={0}'.format(self.fingerprint.fingerprint)])
with tempfile.TemporaryFile() as fh:
fh.write(signed_file.contents)
fh.seek(0)
sections = apt_pkg.TagFile(fh)
self.uploader = None
addresses = gpg_get_key_addresses(self.fingerprint.fingerprint)
if len(addresses) > 0:
self.uploader = addresses[0]
try:
sections.next()
section = sections.section
if 'Uploader' in section:
self.uploader = section['Uploader']
if 'Cc' in section:
self.cc.append(section['Cc'])
# TODO: Verify first section has valid Archive field
if 'Archive' not in section:
raise CommandError('No Archive field in first section.')
# TODO: send mail when we detected a replay.
self._check_replay(signed_file, session)
self._evaluate_sections(sections, session)
self.result.append('')
except Exception as e:
self.log.log(['ERROR', e])
self.result.append("There was an error processing this section. No changes were committed.\nDetails:\n{0}".format(e))
result = False
self._notify_uploader()
session.close()
return result
