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] [-o output_file] [input_file [output_file]]
+ 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)
if errormsg:
sys.stderr.write(errormsg + '\n')
output("\n") # End of headers
-def recode(s, charset):
- return unicode(s, charset, "replace").encode(g.default_encoding, "replace")
-
def recode_if_needed(s, charset):
if charset and charset.lower() <> g.default_encoding:
- s = recode(s, charset)
+ s = unicode(s, charset, "replace").encode(g.default_encoding, "replace")
return s
set_header(msg, header, new_value)
-def _decode_header_param(s):
- return recode_if_needed(s[2], s[0])
-
def decode_header_param(msg, header, param):
"Decode mail header's parameter (if exists) and put it back, if it was encoded"
value = msg.get_param(param, header=header)
if value:
if isinstance(value, tuple):
- new_value = _decode_header_param(value)
+ new_value = recode_if_needed(value[2], value[0])
else:
new_value = _decode_header(value)
if new_value <> value: # do not bother to touch msg if not changed
output_headers(msg)
output(s)
+ return s
+
+
+def _save_message(msg, outstring, save_headers=False, save_body=False):
+ for header, param in (
+ ("Content-Disposition", "filename"),
+ ("Content-Type", "name"),
+ ):
+ fname = msg.get_param(param, header=header)
+ if fname:
+ fname = '-' + fname
+ break
+ else:
+ fname = ''
+ g.save_counter += 1
+ fname = str(g.save_counter) + fname
+
+ global output
+ save_output = output
+ outfile = open_output_file(fname)
+ output = outfile.write
+ if save_headers:
+ output_headers(msg)
+ if save_body:
+ output(outstring)
+ outfile.close()
+ output = save_output
def decode_part(msg):
left_binary = False
for content_type in masks:
- if content_type in g.binary_mask:
+ if content_type in g.totext_mask or \
+ content_type in g.decoded_binary_mask:
+ break
+ elif content_type in g.binary_mask:
left_binary = True
break
for content_type in masks:
if content_type in g.totext_mask:
- totext(msg, outstring)
- return
+ outstring = totext(msg, outstring)
+ break
elif content_type in g.binary_mask or \
content_type in g.decoded_binary_mask:
output_headers(msg)
output(outstring)
- return
+ break
elif content_type in g.ignore_mask:
output_headers(msg)
- output("\nMessage body of type `%s' skipped.\n" % content_type)
- return
+ output("\nMessage body of type %s skipped.\n" % ctype)
+ break
elif content_type in g.error_mask:
- raise ValueError, "content type `%s' prohibited" % content_type
+ break
+ else:
+ # Neither content type nor masks were listed - decode by default
+ outstring = totext(msg, outstring)
- # Neither content type nor masks were listed - decode by default
- totext(msg, outstring)
+ for content_type in masks:
+ if content_type in g.save_headers_mask:
+ _save_message(msg, outstring, save_headers=True, save_body=False)
+ elif content_type in g.save_body_mask:
+ _save_message(msg, outstring, save_headers=False, save_body=True)
+ elif content_type in g.save_message_mask:
+ _save_message(msg, outstring, save_headers=True, save_body=True)
+ for content_type in masks:
+ if content_type in g.error_mask:
+ raise ValueError, "content type %s prohibited" % ctype
def decode_multipart(msg):
"Decode multipart"
output(msg.as_string())
+def open_output_file(filename):
+ fullpath = os.path.abspath(os.path.join(g.destination_dir, filename))
+ full_dir = os.path.dirname(fullpath)
+ create = not os.path.isdir(full_dir)
+ if create:
+ os.makedirs(full_dir)
+ try:
+ return open(fullpath, 'w')
+ except:
+ if create:
+ os.removedirs(full_dir)
+
+
class GlobalOptions:
from m_lib.defenc import default_encoding
recode_charset = 1 # recode charset of message body
ignore_mask = [] # Ignore (skip, do not decode and do not include into output)
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
try:
options, arguments = getopt(sys.argv[1:],
- 'hVcCDPH:f:d:p:r:R:b:B:e:i:t:o:',
- ['help', 'version', 'host=', 'set-header=', 'set-param='])
+ 'hVcCDPH:f:d:p:r:R:b:B:e:i:t:O:o:',
+ ['help', 'version', 'host=',
+ 'save-headers=', 'save-body=', 'save-message=',
+ 'set-header=', 'set-param='])
except GetoptError:
usage(1)
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:
g.input_filename = '-'
infile = sys.stdin
if g.output_filename:
- outfile = open(g.output_filename, 'w')
+ outfile = open_output_file(g.output_filename)
else:
g.output_filename = '-'
outfile = sys.stdout
infile = open(arguments[0], 'r')
if la == 1:
if g.output_filename:
- outfile = open(g.output_filename, 'w')
+ outfile = open_output_file(g.output_filename)
else:
g.output_filename = '-'
outfile = sys.stdout
outfile = sys.stdout
else:
g.output_filename = arguments[1]
- outfile = open(arguments[1], 'w')
+ outfile = open_output_file(g.output_filename)
else:
usage(1, 'Too many arguments')
msg = email.message_from_file(infile)
for header, value in g.set_header_value:
- msg[header] = value
+ set_header(msg, header, value)
for header, param, value in g.set_header_param:
if header in msg:
projects / mimedecode.git / blobdiff