def test_user_data_header(self):
data = to_array("08049f8e020105040b8423f0")
udh = UserDataHeader.from_bytes(data)
self.assertEqual(udh.concat.seq, 1)
self.assertEqual(udh.concat.cnt, 2)
self.assertEqual(udh.concat.ref, 40846)
self.assertEqual(udh.ports.dest_port, 2948)
self.assertEqual(udh.ports.orig_port, 9200)
data = to_array("0003190201")
udh = UserDataHeader.from_bytes(data)
self.assertEqual(udh.concat.seq, 1)
self.assertEqual(udh.concat.cnt, 2)
self.assertEqual(udh.concat.ref, 25)
def _set_pdu(self, pdu):
if not self._strict and len(pdu) % 2:
# if not strict and PDU-length is odd, remove the last character
# and make it even. See the discussion of this bug at
# http://github.com/pmarti/python-messaging/issues#issue/7
pdu = pdu[:-1]
if len(pdu) % 2:
raise ValueError("Can not decode an odd-length pdu")
# XXX: Should we keep the original PDU or the modified one?
self._pdu = pdu
data = to_array(self._pdu)
# Service centre address
smscl = data.pop(0)
if smscl > 0:
smscertype = data.pop(0)
smscl -= 1
self.csca = swap_number(encode_bytes(data[:smscl]))
if (smscertype >> 4) & 0x07 == consts.INTERNATIONAL:
self.csca = '+%s' % self.csca
data = data[smscl:]
else:
self.csca = None
# 1 byte(octet) == 2 char
# Message type TP-MTI bits 0,1
# More messages to send/deliver bit 2
# Status report request indicated bit 5
# User Data Header Indicator bit 6
# Reply path set bit 7
try:
self.mtype = data.pop(0)
except TypeError:
raise ValueError("Decoding this type of SMS is not supported yet")
mtype = self.mtype & 0x03
if mtype == 0x02:
return self._decode_status_report_pdu(data)
if mtype == 0x01:
raise ValueError("Cannot decode a SmsSubmit message")
sndlen = data.pop(0)
if sndlen % 2:
sndlen += 1
sndlen = int(sndlen / 2.0)
sndtype = (data.pop(0) >> 4) & 0x07
if sndtype == consts.ALPHANUMERIC:
# coded according to 3GPP TS 23.038 [9] GSM 7-bit default alphabet
sender = unpack_msg2(data[:sndlen]).decode("gsm0338")
else:
# Extract phone number of sender
sender = swap_number(encode_bytes(data[:sndlen]))
if sndtype == consts.INTERNATIONAL:
sender = '+%s' % sender
self.number = sender
data = data[sndlen:]
# 1 byte TP-PID (Protocol IDentifier)
self.pid = data.pop(0)
# 1 byte TP-DCS (Data Coding Scheme)
self.dcs = data.pop(0)
if self.dcs & (0x04 | 0x08) == 0:
self.fmt = 0x00
elif self.dcs & 0x04:
self.fmt = 0x04
elif self.dcs & 0x08:
self.fmt = 0x08
datestr = ''
# Get date stamp (sender's local time)
date = list(encode_bytes(data[:6]))
for n in range(1, len(date), 2):
date[n - 1], date[n] = date[n], date[n - 1]
data = data[6:]
# Get sender's offset from GMT (TS 23.040 TP-SCTS)
tz = data.pop(0)
offset = ((tz & 0x07) * 10 + ((tz & 0xf0) >> 4)) * 15
if (tz & 0x08):
offset = offset * -1
# 02/08/26 19:37:41
datestr = "%s%s/%s%s/%s%s %s%s:%s%s:%s%s" % tuple(date)
outputfmt = '%y/%m/%d %H:%M:%S'
sndlocaltime = datetime.strptime(datestr, outputfmt)
sndoffset = timedelta(minutes=offset)
# date as UTC
self.date = sndlocaltime - sndoffset
self._process_message(data)
def _set_pdu(self, pdu):
if not self._strict and len(pdu) % 2:
# if not strict and PDU-length is odd, remove the last character
# and make it even. See the discussion of this bug at
# http://github.com/pmarti/python-messaging/issues#issue/7
pdu = pdu[:-1]
# if len(pdu) % 2:
# print pdu
# raise ValueError("Can not decode an odd-length pdu")
# XXX: Should we keep the original PDU or the modified one?
print "pdu", pdu
self._pdu = pdu
data = to_array(self._pdu)
# Service centre address
smscl = data.pop(0)
if smscl > 0:
smscertype = data.pop(0)
smscl -= 1
self.csca = swap_number(encode_bytes(data[:smscl]))
if (smscertype >> 4) & 0x07 == consts.INTERNATIONAL:
self.csca = '+%s' % self.csca
data = data[smscl:]
else:
self.csca = None
# 1 byte(octet) == 2 char
# Message type TP-MTI bits 0,1
# More messages to send/deliver bit 2
# Status report request indicated bit 5
# User Data Header Indicator bit 6
# Reply path set bit 7
try:
self.mtype = data.pop(0)
except TypeError:
raise ValueError("Decoding this type of SMS is not supported yet")
mtype = self.mtype & 0x03
if mtype == 0x02:
return self._decode_status_report_pdu(data)
if mtype == 0x01:
raise ValueError("Cannot decode a SmsSubmitReport message yet")
sndlen = data.pop(0)
if sndlen % 2:
sndlen += 1
sndlen = int(sndlen / 2.0)
sndtype = (data.pop(0) >> 4) & 0x07
if sndtype == consts.ALPHANUMERIC:
# coded according to 3GPP TS 23.038 [9] GSM 7-bit default alphabet
sender = unpack_msg2(data[:sndlen]).decode("gsm0338")
else:
# Extract phone number of sender
sender = swap_number(encode_bytes(data[:sndlen]))
if sndtype == consts.INTERNATIONAL:
sender = '+%s' % sender
self.number = sender
data = data[sndlen:]
# 1 byte TP-PID (Protocol IDentifier)
self.pid = data.pop(0)
# 1 byte TP-DCS (Data Coding Scheme)
self.dcs = data.pop(0)
if self.dcs & (0x04 | 0x08) == 0:
self.fmt = 0x00
elif self.dcs & 0x04:
self.fmt = 0x04
elif self.dcs & 0x08:
self.fmt = 0x08
datestr = ''
# Get date stamp (sender's local time)
date = list(encode_bytes(data[:6]))
for n in range(1, len(date), 2):
date[n - 1], date[n] = date[n], date[n - 1]
data = data[6:]
# Get sender's offset from GMT (TS 23.040 TP-SCTS)
tz = data.pop(0)
offset = ((tz & 0x07) * 10 + ((tz & 0xf0) >> 4)) * 15
if (tz & 0x08):
offset = offset * -1
# 02/08/26 19:37:41
datestr = "%s%s/%s%s/%s%s %s%s:%s%s:%s%s" % tuple(date)
outputfmt = '%y/%m/%d %H:%M:%S'
sndlocaltime = datetime.strptime(datestr, outputfmt)
sndoffset = timedelta(minutes=offset)
# date as UTC
self.date = sndlocaltime - sndoffset
self._process_message(data)