def __init__(self, ct, f, next=None, uribase='thismessage:/',
seekable=0, **kw):
# Get the boundary. It's too bad I have to write this myself,
# but no way am I going to import cgi for 10 lines of code!
for param in ct.split(';'):
a = param.strip()
if a.startswith('boundary='):
if a[9] in [ '"', "'" ]:
boundary = a[10:-1]
else:
boundary = a[9:]
break
else:
raise ValueError('boundary parameter not found')
self.id_dict, self.loc_dict, self.parts = {}, {}, []
self.next = next
self.base = uribase
mf = multifile.MultiFile(f, seekable)
mf.push(boundary)
while next(mf):
head = mimetools.Message(mf)
body = StringIO.StringIO()
mimetools.decode(mf, body, head.getencoding())
body.seek(0)
part = (head, body)
self.parts.append(part)
key = head.get('content-id')
if key:
if key[0] == '<' and key[-1] == '>': key = key[1:-1]
self.id_dict[key] = part
key = head.get('content-location')
if key: self.loc_dict[key] = part
mf.pop()
def test_main():
global boundaries, linecount
boundaries = 0
linecount = 0
f = cStringIO.StringIO(msg)
getMIMEMsg(multifile.MultiFile(f))
assert boundaries == 2
assert linecount == 9
def process_multi_part(file, msg, current):
mf = multifile.MultiFile(file)
mf.push(msg.getparam("boundary"))
while mf.next():
submsg = mimetools.Message(file)
if submsg.has_key("Content-Disposition"):
maybe_add_attachment(current, mf, submsg)
else:
# This is the message body itself (always?), so process
# accordingly
process_mime_body(current, mf, submsg)
def extract_mime_part_matching(stream, mimetype):
mfile = multifile.MultiFile(stream)
mfile.push("_BOUNDRY_02468_STRING_13579_XXXXXXX")
while 1:
submsg = mimetools.Message(mfile)
data = StringIO.StringIO()
mimetools.decode(mfile, data, submsg.getencoding())
if (not mfile.next()) or submsg.gettype() == mimetype: break
mfile.pop()
return data.getvalue()
def getbodyparts(self):
if self.getmaintype() != 'multipart':
raise Error, 'Content-Type is not multipart/*'
bdry = self.getparam('boundary')
if not bdry:
raise Error, 'multipart/* without boundary param'
self.fp.seek(self.startofbody)
mf = multifile.MultiFile(self.fp)
mf.push(bdry)
parts = []
while mf.next():
n = str(self.number) + '.' + ` 1 + len(parts) `
part = SubMessage(self.folder, n, mf)
parts.append(part)
mf.pop()
return parts
def getbodyparts(self):
"""Only for multipart messages: return the message's body as a
list of SubMessage objects. Each submessage object behaves
(almost) as a Message object."""
if self.getmaintype() != 'multipart':
raise Error, 'Content-Type is not multipart/*'
bdry = self.getparam('boundary')
if not bdry:
raise Error, 'multipart/* without boundary param'
self.fp.seek(self.startofbody)
mf = multifile.MultiFile(self.fp)
mf.push(bdry)
parts = []
while mf.next():
n = "%s.%r" % (self.number, 1 + len(parts))
part = SubMessage(self.folder, n, mf)
parts.append(part)
mf.pop()
return parts
def read_odbmulti(fname):
"""Read data from opendatabank multi files.
:see: http://www.american.edu/econ/pytrix/opendatabank.txt
"""
import multifile
fp = open(fname, 'r')
mfp = multifile.MultiFile(fp)
mfp.push('series-boundary')
comments = mfp.read()
#print comments
while mfp.next():
try:
data, smpl, comments = read_db(mfp)
except multifile.Error:
break
fp.close()
print data
fp.close()
def mimedecode(self, msg=None, id=""):
if not msg:
self.rewind()
msg = mimetools.Message(self, 0)
type = msg.gettype()
if (len(id) > 5):
# Emergency abort!
return [["(diagnostic)", "text/plain", \
"Attachments too deeply nested --- aborting (probably hit the Multifile bug)", \
id+"A"]]
disposition = msg.getheader("Content-Disposition")
disposition = sqmail.utils.parse_mimeheader(disposition)
name = msg.getparam("name")
index = 65
if not name:
name = sqmail.utils.get_mime_param(disposition, "filename")
if not name:
name = "<unnamed>"
if (type[:10] == "multipart/"):
multi = multifile.MultiFile(msg.fp, 0)
multi.push(msg.getparam("boundary"))
l = []
while multi.next():
l.append(self.mimedecode(mimetools.Message(multi, 0), id+chr(index))[0])
index = index + 1
if (index > 65+32):
# Emergency abort!
raise MIMEDecodeAbortException
multi.pop()
return [[name, type, l, ""]]
else:
encoding = msg.getencoding()
if (encoding != "7bit") and (encoding != "8bit"):
data = cStringIO.StringIO()
mimetools.decode(msg.fp, data, msg.getencoding())
return [[name, type, data.getvalue(), id]]
else:
return [[name, type, string.join(msg.fp.readlines(), ""), id]]
def __init__(self, headers, infile, maintype = None, subtype = None):
Part.__init__(self, headers, infile, maintype, subtype)
if self.maintype <> "multipart": raise ValueError
self.parts = []
boundary = headers.getparam("boundary")
if boundary is None:
# They are cheating on us! Try to survive.
boundary = "=-=-=-EmergencyBoundary%d" % os.getpid()
mf = multifile.MultiFile(infile, seekable = 0)
mf.push(boundary)
# We should skip all data before the first section marker,
# so the loop condition below works.
while mf.next():
subheaders = mimetools.Message(mf)
if subheaders.getmaintype() == "multipart":
self.parts.append(MultiPart(subheaders, mf))
else:
self.parts.append(DiscretePart(subheaders, mf))
mf.pop()
def _extractMimeParts(stream):
msg = mimetools.Message(stream)
msgtype = msg.gettype()
params = msg.getplist()
files = []
raw_data = cStringIO.StringIO()
if msgtype[:10] == "multipart/":
f = multifile.MultiFile(stream)
f.push(msg.getparam("boundary"))
while f.next():
submsg = mimetools.Message(f)
filename = submsg.getheader(MIME_FILE_HEADER)
content_hash = submsg.getheader(MIME_HASH_HEADER)
try:
raw_data = cStringIO.StringIO()
mimetools.decode(f, raw_data, submsg.getencoding())
except ValueError:
continue
files.append((filename, content_hash, raw_data.getvalue()))
f.pop()
return files
import multifile
import cgi, rfc822
infile = open("samples/sample.msg")
message = rfc822.Message(infile)
# print parsed header
for k, v in message.items():
print k, "=", v
# use cgi support function to parse content-type header
type, params = cgi.parse_header(message["content-type"])
if type[:10] == "multipart/":
# multipart message
boundary = params["boundary"]
file = multifile.MultiFile(infile)
file.push(boundary)
while file.next():
submessage = rfc822.Message(file)
# print submessage
print "-" * 68
for k, v in submessage.items():
print k, "=", v
print
print file.read()
file.pop()
else:
# plain message
print infile.read()
def unpackMail(mailString):
""" returns body, content-type, html-body and attachments for mail-string.
"""
return unpackMultifile(multifile.MultiFile(StringIO.StringIO(mailString)))
def process(stream, i):
# vado all'inizio del file
stream.seek(0)
# creo un'istanza di msg di posta elettronica
msg = mimetools.Message(stream)
# tipo di messaggio
msgtype = msg.gettype()
# codifica del messaggio
encoding = msg.getencoding()
# ricavo il mittente e la data
sender = msg.get("From")
date = parsedate(msg.get("Date"))
# se il messaggio e' un multipart lo devo processare in maniera
# un po' particolare
if msgtype[:10] == "multipart/":
# creo un istanza multifile
file = multifile.MultiFile(stream)
# ricavo il boundary
file.push(msg.getparam("boundary"))
# scorro i vari pezzi del file
while file.next():
# ricavo il sottomessaggio
submsg = mimetools.Message(file)
try:
# provo a decodificare il sottomessaggio
data = StringIO.StringIO()
mimetools.decode(file, data, submsg.getencoding())
except ValueError:
# in caso di errore faccio finta di niente
print "### ERRORI DI FORMATO NEL MSG %s (SENDER: %s)" % (
i, sender)
continue
# vado al file successivo
file.pop()
# se il messaggio e' singolo tento
# di decodificare il singolo messaggio
else:
try:
data = StringIO.StringIO()
mimetools.decode(msg.fp, data, msg.getencoding())
except ValueError:
print "### CAZZI NEL DECODING MIME DEL MSG %s (SENDER: %s)" % (
i, sender)
# ecco che ho i dati del form depurati dalla codifica del client di posta elettronica
form_data = data.getvalue()
# rimuovo i ritorni a capo
form_data = string.replace(form_data, "\n", "")
# inserisco i dati nel database
insertintodb(sender, date, form_data)
# incremento il contatore
i = i + 1
# torno il valore del contatore
return i
def GetClearSig(Msg, Paranoid=0):
Error = 'MIME Error'
# See if this is a MIME encoded multipart signed message
if Msg.gettype() == "multipart/signed":
Boundary = Msg.getparam("boundary")
if not Boundary:
raise Error, "multipart/* without a boundary parameter"
# Create the multipart handler. Regrettably their implementation
# Needs seeking..
SkMessage = StringIO.StringIO()
SkMessage.write(Msg.fp.read())
SkMessage.seek(0)
mf = multifile.MultiFile(SkMessage)
mf.push(Msg.getparam("boundary"))
# Check the first bit of the message..
if Paranoid != 0:
Pos = mf.tell()
while 1:
x = mf.readline()
if not x: break
if len(string.strip(x)) != 0:
raise Error, "Unsigned text in message (at start)"
mf.seek(Pos)
# Get the first part of the multipart message
if not mf.next():
raise Error, "Invalid pgp/mime encoding [no section]"
# Get the part as a safe seekable stream
Signed = StringIO.StringIO()
Signed.write(mf.read())
InnerMsg = mimetools.Message(Signed)
# Make sure it is the right type
if InnerMsg.gettype() != "text/plain":
raise Error, "Invalid pgp/mime encoding [wrong plaintext type]"
# Get the next part of the multipart message
if not mf.next():
raise Error, "Invalid pgp/mime encoding [no section]"
InnerMsg = mimetools.Message(mf)
if InnerMsg.gettype() != "application/pgp-signature":
raise Error, "Invalid pgp/mime encoding [wrong signature type]"
Signature = string.joinfields(mf.readlines(), '')
# Check the last bit of the message..
if Paranoid != 0:
mf.pop()
Pos = mf.tell()
while 1:
x = mf.readline()
if not x: break
if len(string.strip(x)) != 0:
raise Error, "Unsigned text in message (at end)"
mf.seek(Pos)
# Append the PGP boundary header and the signature text to re-form the
# original signed block [needs to convert to \r\n]
Output = "-----BEGIN PGP SIGNED MESSAGE-----\r\n"
# Semi-evil hack to get the proper hash type inserted in the message
if Msg.getparam('micalg') != None:
Output = Output + "Hash: MD5,SHA1,%s\r\n" % (string.upper(
Msg.getparam('micalg')[4:]))
Output = Output + "\r\n"
Output = Output + string.replace(Signed.getvalue(), "\n-",
"\n- -") + Signature
return (Output, 1)
else:
if Paranoid == 0:
# Just return the message body
return (string.joinfields(Msg.fp.readlines(), ''), 0)
Body = ""
State = 1
for x in Msg.fp.readlines():
Body = Body + x
Tmp = string.strip(x)
if len(Tmp) == 0:
continue
# Leading up to the signature
if State == 1:
if Tmp == "-----BEGIN PGP SIGNED MESSAGE-----":
State = 2
else:
raise Error, "Unsigned text in message (at start)"
continue
# In the signature plain text
if State == 2:
if Tmp == "-----BEGIN PGP SIGNATURE-----":
State = 3
continue
# In the signature
if State == 3:
if Tmp == "-----END PGP SIGNATURE-----":
State = 4
continue
# Past the end
if State == 4:
raise Error, "Unsigned text in message (at end)"
return (Body, 0)
def main():
f = cStringIO.StringIO(msg)
getMIMEMsg(multifile.MultiFile(f))
assert boundaries == 2
assert linecount == 9
"""MH interface -- purely object-oriented (well, almost)
