def send_request(ussd):
if not is_gsm_text(ussd):
raise ValueError
gsm = ussd.encode("gsm0338")
ussd_enc = encode_str(compress_7_to_8_bit(gsm))
cmd = ATCmd('AT+CUSD=1,"%s",15' % ussd_enc, name='send_ussd')
return self.queue_at_cmd(cmd)
def _get_phone_pdu(self):
number = clean_number(self.number)
ptype = 0x81
if number[0] == "+":
number = number[1:]
ptype = 0x91
pl = len(number)
if len(number) % 2:
number += "F"
ps = chr(ptype)
for n in range(0, len(number), 2):
num = number[n + 1] + number[n]
ps += chr(int(num, 16))
ps = chr(pl) + ps
return encode_str(ps)
def _get_phone_pdu(self):
number = clean_number(self.number)
ptype = 0x81
if number[0] == '+':
number = number[1:]
ptype = 0x91
pl = len(number)
if len(number) % 2:
number += 'F'
ps = chr(ptype)
for n in range(0, len(number), 2):
num = number[n + 1] + number[n]
ps += chr(int(num, 16))
ps = chr(pl) + ps
return encode_str(ps)
def _get_sms_submit_pdu(self, udh=False):
sms_submit = 0x1
if self.validity is None:
# handle no validity
pass
elif isinstance(self.validity, datetime):
# handle absolute validity
sms_submit |= 0x18
elif isinstance(self.validity, timedelta):
# handle relative validity
sms_submit |= 0x10
if self.request_status:
sms_submit |= 0x20
if udh:
sms_submit |= 0x40
return encode_str(chr(sms_submit))
def _get_sms_submit_pdu(self, udh=False):
sms_submit = 0x1
if self.validity is None:
# handle no validity
pass
elif isinstance(self.validity, datetime):
# handle absolute validity
sms_submit |= 0x18
elif isinstance(self.validity, timedelta):
# handle relative validity
sms_submit |= 0x10
if self.request_status:
sms_submit |= 0x20
if udh:
sms_submit |= 0x40
return encode_str(chr(sms_submit))
def _get_smsc_pdu(self):
if not self.csca or not self.csca.strip():
return "00"
number = clean_number(self.csca)
ptype = 0x81 # set to unknown number by default
if number[0] == "+":
number = number[1:]
ptype = 0x91
if len(number) % 2:
number += "F"
ps = chr(ptype)
for n in range(0, len(number), 2):
num = number[n + 1] + number[n]
ps += chr(int(num, 16))
pl = len(ps)
ps = chr(pl) + ps
return encode_str(ps)
def _get_smsc_pdu(self):
if not self.csca or not self.csca.strip():
return "00"
number = clean_number(self.csca)
ptype = 0x81 # set to unknown number by default
if number[0] == '+':
number = number[1:]
ptype = 0x91
if len(number) % 2:
number += 'F'
ps = chr(ptype)
for n in range(0, len(number), 2):
num = number[n + 1] + number[n]
ps += chr(int(num, 16))
pl = len(ps)
ps = chr(pl) + ps
return encode_str(ps)
def _get_msg_pdu(self):
# Data coding scheme
if self.fmt is None:
if is_gsm_text(self.text):
self.fmt = 0x00
else:
self.fmt = 0x08
self.dcs = self.fmt
if self.klass is not None:
if self.klass == 0:
self.dcs |= 0x10
elif self.klass == 1:
self.dcs |= 0x11
elif self.klass == 2:
self.dcs |= 0x12
elif self.klass == 3:
self.dcs |= 0x13
dcs_pdu = encode_str(chr(self.dcs))
# Validity period
msgvp_pdu = ""
if self.validity is None:
# handle no validity
pass
elif isinstance(self.validity, timedelta):
# handle relative
msgvp = timedelta_to_relative_validity(self.validity)
msgvp_pdu = encode_str(chr(msgvp))
elif isinstance(self.validity, datetime):
# handle absolute
msgvp = datetime_to_absolute_validity(self.validity)
msgvp_pdu = "".join(map(encode_str, map(chr, msgvp)))
# UDL + UD
message_pdu = b""
if self.fmt == 0x00:
self.text_gsm = self.text.encode("gsm0338")
if len(self.text_gsm) <= consts.SEVENBIT_SIZE:
message_pdu = [pack_8bits_to_7bits(self.text_gsm)]
else:
message_pdu = self._split_sms_message(self.text_gsm)
elif self.fmt == 0x04:
if len(self.text) <= consts.EIGHTBIT_SIZE:
message_pdu = [pack_8bits_to_8bit(self.text)]
else:
message_pdu = self._split_sms_message(self.text)
elif self.fmt == 0x08:
if len(self.text) <= consts.UCS2_SIZE:
message_pdu = [pack_8bits_to_ucs2(self.text)]
else:
message_pdu = self._split_sms_message(self.text)
else:
raise ValueError("Unknown data coding scheme: %d" % self.fmt)
ret = []
for msg in message_pdu:
ret.append(dcs_pdu + msgvp_pdu + msg)
return ret
def _get_tppid_pdu(self):
return encode_str(chr(self.pid))
def _get_tpmessref_pdu(self):
if self.ref is None:
self.ref = self._get_rand_id()
self.ref &= 0xFF
return encode_str(chr(self.ref))
def _get_msg_pdu(self):
# Data coding scheme
if self.fmt is None:
if is_valid_gsm(self.text):
self.fmt = 0x00
else:
self.fmt = 0x08
self.dcs = self.fmt
if self.klass is not None:
if self.klass == 0:
self.dcs |= 0x10
elif self.klass == 1:
self.dcs |= 0x11
elif self.klass == 2:
self.dcs |= 0x12
elif self.klass == 3:
self.dcs |= 0x13
dcs_pdu = encode_str(chr(self.dcs))
# Validity period
msgvp_pdu = ""
if self.validity is None:
# handle no validity
pass
elif isinstance(self.validity, timedelta):
# handle relative
msgvp = timedelta_to_relative_validity(self.validity)
msgvp_pdu = encode_str(chr(msgvp))
elif isinstance(self.validity, datetime):
# handle absolute
msgvp = datetime_to_absolute_validity(self.validity)
msgvp_pdu = ''.join(map(encode_str, map(chr, msgvp)))
# UDL + UD
message_pdu = ""
if self.fmt == 0x00:
self.text_gsm = self.text.encode("gsm0338")
if len(self.text_gsm) <= consts.SEVENBIT_SIZE:
message_pdu = [pack_8bits_to_7bits(self.text_gsm)]
else:
message_pdu = self._split_sms_message(self.text_gsm)
elif self.fmt == 0x04:
if len(self.text) <= consts.EIGHTBIT_SIZE:
message_pdu = [pack_8bits_to_8bit(self.text)]
else:
message_pdu = self._split_sms_message(self.text)
elif self.fmt == 0x08:
if len(self.text) <= consts.UCS2_SIZE:
message_pdu = [pack_8bits_to_ucs2(self.text)]
else:
message_pdu = self._split_sms_message(self.text)
else:
raise ValueError("Unknown data coding scheme: %d" % self.fmt)
ret = []
for msg in message_pdu:
ret.append(dcs_pdu + msgvp_pdu + msg)
return ret
def _get_tppid_pdu(self):
return encode_str(chr(self.pid))
def _get_tpmessref_pdu(self):
if self.ref is None:
self.ref = self._get_rand_id()
self.ref &= 0xFF
return encode_str(chr(self.ref))
