233 lines
9.0 KiB
Python
233 lines
9.0 KiB
Python
#!/usr/bin/env python3
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import logging
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import mitel_ommclient2
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import time
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import hashlib
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from .extensions import ExtensionConfig
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logger = logging.getLogger("fieldpoc.dect")
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class Dect:
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def __init__(self, fp):
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self.fp = fp
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self.c = None # OOMClient2 not initialized at the beginning
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def _init_client(self):
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self.c = mitel_ommclient2.OMMClient2(
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host=self.fp.config.dect.host,
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username=self.fp.config.dect.username,
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password=self.fp.config.dect.password,
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ommsync=True,
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)
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@property
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def temp_num_prefix(self):
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return next(self.fp.extensions.extensions_by_type("temp")).num
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def load_temp_extensions(self):
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current_temp_extension = 0
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used_temp_extensions = self.c.find_users(lambda u: u.num.startswith(self.temp_num_prefix))
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for u in used_temp_extensions:
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temp_num = u.num
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self.fp.temp_extensions[temp_num] = ExtensionConfig(
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num=temp_num,
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name=f"Temp {temp_num[4:]}",
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type="dect",
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trunk=False,
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dialout_allowed=False,
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)
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def get_temp_number(self):
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current_temp_extension = 0
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used_temp_extensions = [num[len(self.temp_num_prefix):] for num, ext in self.fp.temp_extensions.items()]
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while "{:0>4}".format(current_temp_extension) in used_temp_extensions:
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current_temp_extension += 1
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return "{}{:0>4}".format(self.temp_num_prefix, current_temp_extension)
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def get_sip_password_for_number(self, num):
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return hashlib.sha256(bytes.fromhex((self.fp.config.dect.sipsecret + str(num))[-16:])).hexdigest()[:16]
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def create_and_bind_user(self, d, num):
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u = self.c.create_user(num)
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self.c.attach_user_device(u.uid, d.ppn)
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self.c.set_user_relation_fixed(u.uid)
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self.c.set_user_sipauth(u.uid, num, self.get_sip_password_for_number(num))
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return u
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def sync(self):
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logger.info("syncing")
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# load DECT extensions from configuration
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extensions = self.fp.extensions.extensions_by_type("dect")
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# accessible by extension number
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extensions_by_num = {e.num: e for e in extensions}
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# accessible by device IPEI, for devices with static IPEI in configuration
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extensions_by_ipei = {e.dect_ipei: e for _, e in extensions_by_num.items() if e.dect_ipei is not None}
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# signal if new extensions got created
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created_tmp_ext = False
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# collect users
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users_by_ext = {}
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users_by_uid = {}
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# check all users on OMM
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for user in self.c.get_users():
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# check user on OMM against fieldpoc configuration
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e = extensions_by_num.get(user.num)
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# user in OMM, but no DECT extension in configuration
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if not e:
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# the user might have a temporary extension assigned, collect it
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if user.num.startswith(next(self.fp.extensions.extensions_by_type("temp")).num):
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users_by_ext[user.num] = user
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users_by_uid[user.uid] = user
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# we have no configuration for the user
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else:
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# TODO: delete in omm
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pass
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continue
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# update user in OMM if name of extension changed
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elif e.name != user.name:
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self.c.set_user_name(user.uid, e.name)
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if e.dect_ipei is not None and user.relType != mitel_ommclient2.types.PPRelTypeType("Unbound"):
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d = self.c.get_device(user.ppn)
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if d.ipei != e.dect_ipei:
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logger.debug(f"Detaching {user} {d}")
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self.c.detach_user_device(user.uid, user.ppn)
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self.c.set_user_sipauth(user.uid, e.num, self.get_sip_password_for_number(e.num))
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users_by_ext[user.num] = user
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users_by_uid[user.uid] = user
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# check all devices on OMM
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for d in self.c.get_devices():
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# find extension in fieldpoc configuration with static IPEI of the device on OMM
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e = extensions_by_ipei.get(d.ipei)
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# in case the IPEI is statically assigned to an extension
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if e:
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# find user on OMM configured for the selectied extension
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u = users_by_ext.get(e.num)
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# bind the user to the device if user exist and device is not bound to any user
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if u and d.relType == mitel_ommclient2.types.PPRelTypeType("Unbound"):
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logger.debug(f'Binding user for {d}')
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self.c.attach_user_device(u.uid, d.ppn)
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self.c.set_user_relation_fixed(u.uid)
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# fix user settings on OMM if device on OMM is already connected to a user
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elif d.relType != mitel_ommclient2.types.PPRelTypeType("Unbound"):
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ui = users_by_uid.get(d.uid)
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if ui.num != e.num:
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logger.debug(f'User for {d} has wrong number')
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if self.fp.temp_extensions.get(ui.num):
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self.fp.temp_extensions.pop(ui.num)
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self.c.set_user_num(d.uid, e.num)
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self.c.set_user_sipauth(d.uid, e.num, self.get_sip_password_for_number(e.num))
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self.c.set_user_name(user.uid, e.name)
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# create a new user on OMM if none exist and bind it to not bound device on OMM
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else:
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logger.debug(f'Creating and binding user for {d}')
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user = self.create_and_bind_user(d, e.num)
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self.c.set_user_name(user.uid, e.name)
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# assign any unbound device without static assigned IPEI a temporary extension
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elif d.relType == mitel_ommclient2.types.PPRelTypeType("Unbound"):
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temp_num = self.get_temp_number()
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logger.debug(f'Creating and binding tmp-user for {d}: {temp_num}')
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user = self.create_and_bind_user(d, temp_num)
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self.c.set_user_name(user.uid, f"Temp {temp_num[4:]}")
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self.fp.temp_extensions[temp_num] = ExtensionConfig(
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num=temp_num,
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name=f"Temp {temp_num[4:]}",
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type="dect",
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trunk=False,
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dialout_allowed=False,
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)
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created_tmp_ext = True
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# update rounting when new extensions got created
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if created_tmp_ext:
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logger.info("notify for routing update")
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self.fp.queues['routing'].put({"type": "sync"})
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logger.info("finished sync")
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def claim_extension(self, current_extension, token):
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new_extension = None
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# find an extension that can be claimed with the provided token
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for ext in self.fp.extensions.extensions_by_type("dect"):
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if ext.dect_claim_token == token:
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new_extension = ext
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break
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if e:
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# find user on OMM related to the current extension
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user = next(self.c.find_users(lambda u: u.num == current_extension))
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# if the current extension is a temporary extension, free it up again
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if self.fp.temp_extensions.get(user.num):
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self.fp.temp_extensions.pop(user.num)
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# assign new extension to the user on OMM
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self.c.set_user_num(user.uid, new_extension.num)
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self.c.set_user_sipauth(user.uid, e.num, self.get_sip_password_for_number(new_extension.num))
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self.c.set_user_name(user.uid, new_extension.name)
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def run(self):
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logger.info("starting dect thread")
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while True:
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msg = self.fp.queues["dect"].get()
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self.fp.queues["dect"].task_done()
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if msg.get("type") == "stop":
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self.restart_loop = False
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logger.info("stopped")
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break
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else:
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try:
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# setup connection to OMM
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if self.c is None:
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logger.info("initialising connection to OMM")
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self._init_client()
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self.load_temp_extensions()
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# handle tasks
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if msg.get("type") == "sync":
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self.sync()
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elif msg.get("type") == "claim":
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self.claim_extenstion(msg.get("extension"), msg.get("token")[4:])
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except:
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logger.exception("task failed")
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# reset connection to OMM
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if self.c is not None:
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try:
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self.c.connection.close()
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except:
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pass
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self.c = None
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time.sleep(2)
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logger.info("requeue failed task")
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self.fp.queues["dect"].put(msg)
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if self.c is not None:
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self.c.connection.close()
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