| Server IP : 61.19.30.66 / Your IP : 216.73.216.15 Web Server : Apache/2.2.22 (Ubuntu) System : Linux klw 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:39:31 UTC 2014 x86_64 User : www-data ( 33) PHP Version : 5.3.10-1ubuntu3.48 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/share/pyshared/landscape/lib/ |
Upload File : |
import shutil
import tempfile
from twisted.internet.utils import getProcessOutputAndValue
class InvalidGPGSignature(Exception):
"""Raised when the gpg signature for a given file is invalid."""
def gpg_verify(filename, signature, gpg="/usr/bin/gpg"):
"""Verify the GPG signature of a file.
@param filename: Path to the file to verify the signature against.
@param signature: Path to signature to use.
@param gpg: Optionally, path to the GPG binary to use.
@return: a C{Deferred} resulting in C{True} if the signature is
valid, C{False} otherwise.
"""
def remove_gpg_home(ignored):
shutil.rmtree(gpg_home)
return ignored
def check_gpg_exit_code((out, err, code)):
if code != 0:
raise InvalidGPGSignature("%s failed (out='%s', err='%s', "
"code='%d')" % (gpg, out, err, code))
gpg_home = tempfile.mkdtemp()
args = ("--no-options", "--homedir", gpg_home, "--no-default-keyring",
"--ignore-time-conflict", "--keyring", "/etc/apt/trusted.gpg",
"--verify", signature, filename)
result = getProcessOutputAndValue(gpg, args=args)
result.addBoth(remove_gpg_home)
result.addCallback(check_gpg_exit_code)
return result