diff options
Diffstat (limited to 'email-print-mime-structure')
| -rwxr-xr-x | email-print-mime-structure | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/email-print-mime-structure b/email-print-mime-structure index c22d556..5497597 100755 --- a/email-print-mime-structure +++ b/email-print-mime-structure @@ -29,9 +29,11 @@ Example: If you want to number the parts, i suggest piping the output through something like "cat -n" ''' +import os import sys import email import logging +import subprocess from argparse import ArgumentParser, Namespace from typing import Optional, Union, List, Tuple, Any @@ -70,7 +72,7 @@ class MimePrinter(object): nbytes = len(payload) print(f'{prefix}{z.get_content_type()}{cset}{disposition}{fname} {nbytes:d} bytes') - try_decrypt:bool = True if self.args.pgpkey else False + try_decrypt:bool = self.args.pgpkey or self.args.use_gpg_agent if try_decrypt and \ (parent is not None) and \ @@ -84,6 +86,8 @@ class MimePrinter(object): return if self.args.pgpkey: cryptopayload = self.pgpy_decrypt(self.args.pgpkey, ciphertext) + if cryptopayload is None and self.args.use_gpg_agent: + cryptopayload = self.gpg_decrypt(ciphertext) if cryptopayload is None: logging.warning(f'Unable to decrypt') return @@ -108,6 +112,19 @@ class MimePrinter(object): pass return None + def gpg_decrypt(self, ciphertext:str) -> Optional[Message]: + inp:int + outp:int + inp, outp = os.pipe() + with open(outp, 'w') as outf: + outf.write(ciphertext) + out:subprocess.CompletedProcess[bytes] = subprocess.run(['gpg', '--batch', '--decrypt'], + stdin=inp, + capture_output=True) + if out.returncode == 0: + return email.message_from_bytes(out.stdout) + return None + def print_tree(self, z:Message, prefix:str, parent:Optional[Message], num:int) -> None: if (z.is_multipart()): self.print_part(z, prefix+'┬╴', parent, num) @@ -132,6 +149,9 @@ def main() -> None: epilog="Example: email-print-mime-structure <message.eml") parser.add_argument('--pgpkey', metavar='KEYFILE', action='append', help='OpenPGP Transferable Secret Key for decrypting') + parser.add_argument('--use-gpg-agent', metavar='true|false', type=bool, + default=False, + help='Ask local GnuPG installation for decryption') args:Namespace = parser.parse_args() msg:Union[Message, str, int, Any] = email.message_from_file(sys.stdin) |