-#! /usr/bin/env python
"""Decode MIME message"""
import os
me = os.path.basename(sys.argv[0])
-def version(exit=1):
- sys.stdout.write("""\
-Broytman mimedecode.py version %s, %s
-""" % (__version__, __copyright__))
- if exit:
- sys.exit(0)
-
-
-def usage(code=0, errormsg=''):
- version(0)
- sys.stdout.write("""\
-Usage: %s [-h|--help] [-V|--version] [-cCDP] [-H|--host=hostname] [-f charset] [-d header1[,h2,...]|*[,-h1,...]] [-p header1[,h2,h3,...]:param1[,p2,p3,...]] [-r header1[,h2,...]|*[,-h1,...]] [-R header1[,h2,h3,...]:param1[,p2,p3,...]] [--set-header header:value] [--set-param header:param=value] [-Bbeit mask] [--save-headers|body|message mask] [-O dest_dir] [-o output_file] [input_file [output_file]]
-""" % me) # noqa: E501
- if errormsg:
- sys.stderr.write(errormsg + os.linesep)
- sys.exit(code)
-
-
def output_headers(msg):
unix_from = msg.get_unixfrom()
if unix_from:
except Exception:
if create:
os.removedirs(full_dir)
-
-
-class GlobalOptions:
- from m_lib.defenc import default_encoding
- recode_charset = 1 # recode charset of message body
-
- host_name = None
-
- # A list of headers to decode
- decode_headers = ["From", "To", "Cc", "Reply-To", "Mail-Followup-To",
- "Subject"]
-
- # A list of headers parameters to decode
- decode_header_params = [
- ("Content-Type", "name"),
- ("Content-Disposition", "filename"),
- ]
-
- # A list of headers to remove
- remove_headers = []
- # A list of headers parameters to remove
- remove_headers_params = []
-
- # A list of header/value pairs to set
- set_header_value = []
- # A list of header/parameter/value triples to set
- set_header_param = []
-
- totext_mask = [] # A list of content-types to decode
- binary_mask = [] # A list of content-types to pass through
- # A list of content-types to pass through (content-transfer-decoded).
- decoded_binary_mask = []
- # Ignore (do not decode and do not include into output)
- # but output a warning instead of the body.
- ignore_mask = []
- # Completely ignore - no headers, no body, no warning.
- fully_ignore_mask = []
- error_mask = [] # Raise error if encounter one of these
-
- save_counter = 0
- save_headers_mask = []
- save_body_mask = []
- save_message_mask = []
-
- input_filename = None
- output_filename = None
- destination_dir = os.curdir
-
-
-g = GlobalOptions
-
-
-def get_opts():
- from getopt import getopt, GetoptError
-
- try:
- options, arguments = getopt(
- sys.argv[1:],
- 'hVcCDPH:f:d:p:r:R:b:B:e:I:i:t:O:o:',
- ['help', 'version', 'host=',
- 'save-headers=', 'save-body=', 'save-message=',
- 'set-header=', 'set-param='])
- except GetoptError:
- usage(1)
-
- for option, value in options:
- if option in ('-h', '--help'):
- usage()
- elif option in ('-V', '--version'):
- version()
- elif option == '-c':
- g.recode_charset = 1
- elif option == '-C':
- g.recode_charset = 0
- elif option in ('-H', '--host'):
- g.host_name = value
- elif option == '-f':
- g.default_encoding = value
- elif option == '-d':
- if value.startswith('*'):
- g.decode_headers = []
- g.decode_headers.append(value)
- elif option == '-D':
- g.decode_headers = []
- elif option == '-p':
- g.decode_header_params.append(value.split(':', 1))
- elif option == '-P':
- g.decode_header_params = []
- elif option == '-r':
- g.remove_headers.append(value)
- elif option == '-R':
- g.remove_headers_params.append(value.split(':', 1))
- elif option == '--set-header':
- g.set_header_value.append(value.split(':', 1))
- elif option == '--set-param':
- header, value = value.split(':', 1)
- if '=' in value:
- param, value = value.split('=', 1)
- else:
- param, value = value.split(':', 1)
- g.set_header_param.append((header, param, value))
- elif option == '-t':
- g.totext_mask.append(value)
- elif option == '-B':
- g.binary_mask.append(value)
- elif option == '-b':
- g.decoded_binary_mask.append(value)
- elif option == '-I':
- g.fully_ignore_mask.append(value)
- elif option == '-i':
- g.ignore_mask.append(value)
- elif option == '-e':
- g.error_mask.append(value)
- elif option == '--save-headers':
- g.save_headers_mask.append(value)
- elif option == '--save-body':
- g.save_body_mask.append(value)
- elif option == '--save-message':
- g.save_message_mask.append(value)
- elif option == '-O':
- g.destination_dir = value
- elif option == '-o':
- g.output_filename = value
- else:
- usage(1)
-
- return arguments
-
-
-def main():
- arguments = get_opts()
-
- la = len(arguments)
- if la == 0:
- g.input_filename = '-'
- infile = sys.stdin
- if g.output_filename:
- outfile = open_output_file(g.output_filename)
- else:
- g.output_filename = '-'
- outfile = sys.stdout
- elif la in (1, 2):
- if (arguments[0] == '-'):
- g.input_filename = '-'
- infile = sys.stdin
- else:
- g.input_filename = arguments[0]
- infile = open(arguments[0], 'r')
- if la == 1:
- if g.output_filename:
- outfile = open_output_file(g.output_filename)
- else:
- g.output_filename = '-'
- outfile = sys.stdout
- elif la == 2:
- if g.output_filename:
- usage(1, 'Too many output filenames')
- if (arguments[1] == '-'):
- g.output_filename = '-'
- outfile = sys.stdout
- else:
- g.output_filename = arguments[1]
- outfile = open_output_file(g.output_filename)
- else:
- usage(1, 'Too many arguments')
-
- if (infile is sys.stdin) and sys.stdin.isatty():
- if (outfile is sys.stdout) and sys.stdout.isatty():
- usage()
- usage(1, 'Filtering from console is forbidden')
-
- if not g.host_name:
- import socket
- g.host_name = socket.gethostname()
-
- g.outfile = outfile
- global output
- if hasattr(outfile, 'buffer'):
- def output_bytes(s):
- if not isinstance(s, bytes):
- s = s.encode(g.default_encoding, "replace")
- outfile.buffer.write(s)
- output = output_bytes
- else:
- output = outfile.write
-
- import email
- msg = email.message_from_file(infile)
-
- for header, value in g.set_header_value:
- set_header(msg, header, value)
-
- for header, param, value in g.set_header_param:
- if header in msg:
- msg.set_param(param, value, header)
-
- try:
- decode_message(msg)
- finally:
- infile.close()
- outfile.close()
-
-
-if __name__ == "__main__":
- main()
projects / mimedecode.git / blobdiff