def setpath(self, socket, request):
decoded_header = self._decode_header_data(request)
createdir = not bool(request.flags & request.DontCreateDir)
toparent = bool(request.flags & request.NavigateToParent)
logger.info("createdir = %r" % createdir)
logger.info("toparent = %r" % toparent)
# TODO: set_phonebook, to_root is not yet supported
# This is just a overloaded version of obex setpath
if toparent:
if self.vfolder.curdir == self.vfolder.rootdir:
logger.error(
"Current directory is same as Root dir, so can't go to parent"
)
self.send_response(socket, responses.Forbidden())
return
else:
self.vfolder.curdir = self.vfolder.join(
self.vfolder.curdir, "..")
logger.info("Setting current directory = %s",
self.vfolder.curdir)
if decoded_header["Name"] == "":
logger.debug("Sending response success")
self.send_response(socket, responses.Success())
return
requested_dir = self.vfolder.join(self.vfolder.curdir,
decoded_header["Name"])
if createdir:
if self.vfolder.isdir(requested_dir):
logger.error(
"Requested path already exists, so can't create it again.")
self.send_response(socket, responses.Precondition_Failed())
return
else:
logger.info("Creating new directory = %s", requested_dir)
self.vfolder.makedirs(requested_dir)
self.vfolder.curdir = requested_dir
logger.info("Setting current directory = %s",
self.vfolder.curdir)
logger.debug("Sending response success")
self.send_response(socket, responses.Success())
return
if not self.vfolder.isdir(requested_dir):
logger.error(
"Requested path not exists, so can't set it to current dir")
self.send_response(socket, responses.Precondition_Failed())
return
else:
self.vfolder.curdir = requested_dir
logger.info("Setting current directory = %s", self.vfolder.curdir)
logger.debug("Sending response success")
self.send_response(socket, responses.Success())
return
def _respond_phonebook_size(self, socket, phonebook_size):
# MaxListCount = 0 signifies to the PSE that the PCE wants to know the number of used
# indexes in the phone book of interest.
# When MaxListCount = 0, the PSE shall ignore all other application parameters that may
# be present in the request. The response shall include the PhonebookSize application
# parameter (see Section 5.1.4.5). The response shall not contain any Body header
logger.debug(
"MaxListCount is 0, so responding with PhonebookSize = {}".format(
phonebook_size))
response_dict = {
'PhonebookSize': headers.PhonebookSize(phonebook_size)
}
self.send_response(socket, responses.Success(),
[headers.App_Parameters(response_dict)])
def _pull_vcard_entry(self, socket, request, decoded_header):
abs_name = self.vfolder.join(self.vfolder.curdir,
decoded_header["Name"])
logger.info("Absolute path of requested vcard_entry object = %s",
abs_name)
app_params = self._decode_app_params(
decoded_header.get("App_Parameters", {}))
if not self.vfolder.isfile(abs_name):
logger.error("Requested vcard file doesn't exists")
self.send_response(socket, responses.Not_Found())
else:
filtered_data = self._filter_attributes(
app_params["Filter"], self.vfolder.read(abs_name),
app_params["Format"])
data = VCard(filtered_data,
parsed=True).serialize(app_params["Format"])
logger.debug("Sending response success with following data")
logger.debug("vcard data: \r\n%s", data)
self.send_response(socket, responses.Success(),
[headers.End_Of_Body(data)])
def _pull_phonebook(self, socket, request, decoded_header):
mch_size = 0 # mch_size for phonebook folder (Don't optimize)
abs_name = self.vfolder.join(self.vfolder.curdir,
decoded_header["Name"])
logger.info("Absolute path of requested phonebook object = %s",
abs_name)
app_params = self._decode_app_params(
decoded_header.get("App_Parameters", {}))
if not self.vfolder.isfile(abs_name):
logger.error("Requested phonebook file doesn't exists")
self.send_response(socket, responses.Not_Found())
else:
phonebook_size = self.vfolder.count(os.path.splitext(abs_name)[0])
vcard_list = self.vfolder.listdir(os.path.splitext(abs_name)[0])
if app_params["MaxListCount"] == 0:
self._respond_phonebook_size(socket, phonebook_size)
return
data = ""
res_vcard_list = self._limit_phonebook(
vcard_list, app_params["MaxListCount"],
app_params["ListStartOffset"])
# "NewMissedCalls": This application parameter shall be used in the response when and only when the
# phone book object is mch. It indicates the number of missed calls that have been
# received on the PSE since the last PullPhoneBook request on the mch folder, at the
# point of the request.
if "mch" in abs_name:
response_dict = {
'NewMissedCalls':
headers.NewMissedCalls(phonebook_size - mch_size)
}
mch_size = phonebook_size
else:
response_dict = {}
for item in res_vcard_list:
filtered_data = self._filter_attributes(
app_params["Filter"], item, app_params["Format"])
data += VCard(filtered_data,
parsed=True).serialize(app_params["Format"])
logger.debug("Sending response success with following data")
logger.debug("phonebook data: \r\n%s", data)
# Sends the chunked response
# TODO: This needs to be handled properly in pyobex: server.py: send_response
bytes_transferred = 0
datasize = len(data)
# ideally max data length per packet should be as follows
# max_datalen = self._max_length() - Message().minimum_length
# but because of some unknown reasons we could only able to transmit ~700 bytes
# TODO: figure out exactly what is the reason
max_datalen = 700
if datasize < max_datalen:
data_last_chunk = data
else:
while bytes_transferred < datasize:
data_chunk = data[bytes_transferred:(bytes_transferred +
max_datalen)]
header_list = [
headers.App_Parameters(response_dict),
headers.Body(data_chunk)
]
# 'continue' response and process the subsequent requests
self.send_response(socket, responses.Continue(),
header_list)
while True:
request = self.request_handler.decode(self.connection)
if not isinstance(request, requests.Get_Final):
self.process_request(self.connection, request)
continue
else:
break
bytes_transferred += max_datalen
data_last_chunk = ""
header_list = [
headers.App_Parameters(response_dict),
headers.End_Of_Body(data_last_chunk)
]
self.send_response(socket, responses.Success(), header_list)
def _pull_vcard_listing(self, socket, request, decoded_header):
mch_size = 0 # mch_size for phonebook folder (Don't optimize)
abs_name = self.vfolder.join(self.vfolder.curdir,
decoded_header["Name"])
logger.info("Absolute path of requested vcard_listing object = %s",
abs_name)
app_params = self._decode_app_params(
decoded_header.get("App_Parameters", {}))
if not self.vfolder.isdir(abs_name):
logger.error("Requested vcard-listing dir doesn't exists")
self.send_response(socket, responses.Not_Found())
else:
phonebook_size = self.vfolder.count(abs_name)
search_query = self._get_search_query(
app_params["SearchAttribute"], app_params["SearchValue"])
# TODO: sorting based on order not works, since handle is not part of db record. it is not proper
# make the "handle" as part of db record
sort_key = self._get_sort_key(app_params["Order"])
vcard_list = self.vfolder.listdir(abs_name, query=search_query)
vcard_list = self._sort_vcard_list(vcard_list, sort_key)
if app_params["MaxListCount"] == 0:
self._respond_phonebook_size(socket, phonebook_size)
return
data = ""
res_vcard_list = self._limit_phonebook(
vcard_list, app_params["MaxListCount"],
app_params["ListStartOffset"])
res_vcard_list_range = range(
app_params["ListStartOffset"],
min((app_params["ListStartOffset"] +
app_params["MaxListCount"]), 65535))
# "NewMissedCalls": This application parameter shall be used in the response when and only when the
# phone book object is mch. It indicates the number of missed calls that have been
# received on the PSE since the last PullPhoneBook request on the mch folder, at the
# point of the request.
if "mch" in abs_name:
response_dict = {
'NewMissedCalls':
headers.NewMissedCalls(phonebook_size - mch_size)
}
mch_size = phonebook_size
else:
response_dict = {}
vcard_listing_object_tmpl = (
'<?xml version="1.0"?>\r\n'
'<!DOCTYPE vcard-listing SYSTEM "vcard-listing.dtd">\r\n'
'<vCard-listing version="1.0">\r\n'
'{cards}'
'</vCard-listing>\r\n')
card_tag_tmpl = '<card handle="{handle}" name="{name}"/>\r\n'
cards = ""
# TODO: As per spec the handles should be hex??
for index, vcard in zip(res_vcard_list_range, res_vcard_list):
cards += card_tag_tmpl.format(handle="{}.vcf".format(index),
name=self._get_param_values(
vcard, "N"))
data = vcard_listing_object_tmpl.format(cards=cards)
logger.debug("Sending response success with following data")
logger.debug("vcard-listing data: \r\n%s", data)
self.send_response(socket, responses.Success(), [
headers.End_Of_Body(data),
headers.App_Parameters(response_dict)
])