From 220c12c57992788a0d6222ae318d24f6efe571f9 Mon Sep 17 00:00:00 2001 From: David Timber Date: Sat, 11 May 2024 14:21:08 +0900 Subject: Initial commit --- .gitignore | 3 + .vscode/launch.json | 15 +++ COPYING | 339 ++++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 12 ++ doc/mmfwd.sample.yaml | 11 ++ pyproject.toml | 24 ++++ src/mmfwd/__init__.py | 273 ++++++++++++++++++++++++++++++++++++++++ src/mmfwd/__main__.py | 30 +++++ 8 files changed, 707 insertions(+) create mode 100644 .gitignore create mode 100644 .vscode/launch.json create mode 100644 COPYING create mode 100644 README.md create mode 100644 doc/mmfwd.sample.yaml create mode 100644 pyproject.toml create mode 100644 src/mmfwd/__init__.py create mode 100644 src/mmfwd/__main__.py diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cdaae18 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +__pycache__ + +/src/mmfwd.yaml diff --git a/.vscode/launch.json b/.vscode/launch.json new file mode 100644 index 0000000..1a65bdf --- /dev/null +++ b/.vscode/launch.json @@ -0,0 +1,15 @@ +{ + // Use IntelliSense to learn about possible attributes. + // Hover to view descriptions of existing attributes. + // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "Python Debugger: Module", + "type": "debugpy", + "request": "launch", + "module": "mmfwd", + "cwd": "${workspaceFolder}/src", + } + ] +} diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/README.md b/README.md new file mode 100644 index 0000000..6b33a3e --- /dev/null +++ b/README.md @@ -0,0 +1,12 @@ +# MMFWD +Forward calls and texts using ModemManager framework. + +This is a daemon that forwards calls and text messages via email and +SIP(planned?). I made this python program to receive KYC messages whilst I'm +overseas. South Korea is a weird county where all KYC verifications are done via +personal mobile number. Without a mobile number, doing anything online is almost +impossible. The daemon can be run on a small and reliable device that is kept +somewhere safe. + +- https://pygobject.gnome.org/getting_started.html +- https://code.nap.av.it.pt/mobility-networks/modemmanager/-/tree/1.18.12/examples/modem-watcher-python diff --git a/doc/mmfwd.sample.yaml b/doc/mmfwd.sample.yaml new file mode 100644 index 0000000..7079708 --- /dev/null +++ b/doc/mmfwd.sample.yaml @@ -0,0 +1,11 @@ +mmfwd: + instances: + - mid: # modem identity + n-own: '.*' # own number, regex. Use all modems + fwd: + mailto: + - jd@example.com + cmd: + - /usr/bin/mailx + - jd@example.com + - -s Text from {sender} diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..91073b0 --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,24 @@ +[build-system] +requires = ["hatchling"] +build-backend = "hatchling.build" + +[project] +name = "mmfwd" +version = "0.0.0" +authors = [ + { name="David Timber", email="dxdt@dev.snart.me" }, +] +description = "Forward calls and texts using ModemManager framework" +readme = "README.md" +requires-python = ">= 3.11" # TODO +dependencies = [ "pyjson5", "PyYAML", "PyGObject" ] + +classifiers = [ + "Programming Language :: Python :: 3", + "License :: OSI Approved :: Apache Software License", + "Operating System :: OS Independent", +] + +[project.urls] +Homepage = "https://github.com/dxdxdt/mmfwd/" +Issues = "https://github.com/dxdxdt/mmfwd/issues" diff --git a/src/mmfwd/__init__.py b/src/mmfwd/__init__.py new file mode 100644 index 0000000..0228ac6 --- /dev/null +++ b/src/mmfwd/__init__.py @@ -0,0 +1,273 @@ +from copy import copy +import os +import re +import subprocess +import sys +import threading +from typing import Any +import gi +import yaml +gi.require_version('ModemManager', '1.0') +from gi.repository import Gio, ModemManager + +try: + from yaml import CLoader as Loader, CDumper as Dumper +except ImportError: + from yaml import Loader, Dumper + +APP_ID = "me.snart.mmfwd" + +class ModemIdentity: + def __init__ (self, conf: dict[str, Any]): + self.n_own: str = None + + if conf: + self.n_own: str = conf.get("n-own") + +class Forward: + def __init__ (self, conf: dict[str, Any]): + self.mailto: list[str] = conf.get("mailto", []) + self.cmd: list[str] = conf.get("cmd", []) + + def post (self, doc): + cmd = list[str]() + for arg in self.cmd: + cmd.append(arg.format( + sender = doc["sms"]["from"], + to = doc["sms"]["to"], + ts_req = doc["sms"]["ts-req"], + ts_del = doc["sms"]["ts-del"], + )) + + with subprocess.Popen(cmd, stdin = subprocess.PIPE) as p: + p.stdin.write(("--" + os.linesep).encode()) + yaml.dump(doc, p.stdin, encoding = 'utf-8', allow_unicode = True) + p.stdin.close() + +class Instance: + def __init__ (self, conf: dict[str, Any]): + self.mobj: str = None + self.mid = ModemIdentity(conf.get("mid")) + self.fwd = Forward(conf.get("fwd")) + + def match (self, m) -> bool: + if self.mid.n_own: + for n in m.get_property('own-numbers'): + if re.match(self.mid.n_own, n): + return True + else: + return True + + return False + +class CallbackUserData: + def __init__ (self): + self.instance = None + self.modem = None + self.messaging = None + self.voice = None + self.call = None + self.own_numbers = None + +class Application: + def __init__(self, conf: dict[str, Any]): + self.instances = list[Instance]() + for i in conf["instances"]: + self.instances.append(Instance(i)) + + # Flag for initial logs + self.initializing = True + # Setup DBus monitoring + self.connection = Gio.bus_get_sync(Gio.BusType.SYSTEM, None) + self.manager = ModemManager.Manager.new_sync( + self.connection, + Gio.DBusObjectManagerClientFlags.DO_NOT_AUTO_START, + None) + # IDs for added/removed signals + self.object_added_id = 0 + self.object_removed_id = 0 + # Follow availability of the ModemManager process + self.available = False + self.manager.connect('notify::name-owner', self.on_name_owner) + self.on_name_owner(self.manager, None) + # Finish initialization + self.initializing = False + + def attach_to (self, obj, instance): + modem = obj.get_modem() + messaging = obj.get_modem_messaging() + voice = obj.get_modem_voice() + + ud = CallbackUserData() + ud.instance = instance + ud.modem = modem + ud.messaging = messaging + ud.voice = voice + ud.own_numbers = modem.get_property('own-numbers') + + modem.connect('state-changed', self.on_modem_state_updated, ud) + messaging.connect('added', self.on_message_added, ud) + voice.connect('call-added', self.on_call_added, ud) + + # fire request to sync + messaging.list(None, self.on_messages, ud) + voice.list_calls(None, self.on_calls, ud) + + def set_available(self): + """ + ModemManager is now available. + """ + if not self.available or self.initializing: + print('[ModemWatcher] ModemManager %s service is available in bus' % self.manager.get_version()) + self.object_added_id = self.manager.connect('object-added', self.on_object_added) + self.object_removed_id = self.manager.connect('object-removed', self.on_object_removed) + self.available = True + # Initial scan + if self.initializing: + for obj in self.manager.get_objects(): + self.on_object_added(self.manager, obj) + + def set_unavailable(self): + """ + ModemManager is now unavailable. + """ + if self.available or self.initializing: + print('[ModemWatcher] ModemManager service not available in bus') + if self.object_added_id: + self.manager.disconnect(self.object_added_id) + self.object_added_id = 0 + if self.object_removed_id: + self.manager.disconnect(self.object_removed_id) + self.object_removed_id = 0 + self.available = False + + def on_name_owner(self, manager, prop): + """ + Name owner updates. + """ + if self.manager.get_name_owner(): + self.set_available() + else: + self.set_unavailable() + + def on_modem_state_updated(self, modem, old, new, reason, ud): + """ + Modem state updated + """ + print('[ModemWatcher] %s: modem state updated: %s -> %s (%s) ' % + (modem.get_object_path(), + ModemManager.ModemState.get_string (old), + ModemManager.ModemState.get_string (new), + ModemManager.ModemStateChangeReason.get_string (reason))) + + def on_object_added(self, manager, obj): + """ + Object added. + """ + modem = obj.get_modem() + print('[ModemWatcher] %s: modem managed by ModemManager [%s]: %s (%s)' % + (obj.get_object_path(), + modem.get_equipment_identifier(), + modem.get_manufacturer(), + modem.get_model())) + + for i in self.instances: + if not i.match(modem): + continue + + mstate = modem.get_state() + if mstate == ModemManager.ModemState.FAILED: + sys.stderr.write( + "[mmfwd] matching modem in failed state!" + os.linesep) + # TODO: warn + continue + + if mstate == ModemManager.ModemState.DISABLED: + print('''[mmfwd] {m}: enabling disabled target modem'''.format( + m = obj.get_object_path())) + modem.enable() + + print('''[mmfwd] {m}: attaching to target modem'''.format( + m = obj.get_object_path())) + self.attach_to(obj, i) + + def on_object_removed(self, manager, obj): + """ + Object removed. + """ + path = obj.get_object_path() + + print('[ModemWatcher] %s: modem unmanaged by ModemManager' % path) + + def on_message_added (self, messaging, path, received, ud): + messaging.list(None, self.on_messages, ud) + print('''[mmfwd] on_message_added: {a} {b} {c}'''.format( + a = messaging, + b = path, + c = received, + )) + + def on_messages (self, messaging, task, ud): + for m in messaging.list_finish(task): + if m.get_state() != ModemManager.SmsState.RECEIVED: + continue + + path = m.get_path() + doc = { + "sms": { + "from": m.get_number(), + "to": ud.own_numbers, + "text": m.get_text(), + "data": m.get_data(), + "ts-req": m.get_timestamp(), + "ts-del": m.get_discharge_timestamp(), + }, + } + + print("--") + yaml.dump(doc, sys.stdout, allow_unicode = True) + ud.instance.fwd.post(doc) + + messaging.delete(path, None, self.on_message_delete) + + def on_message_delete (self, messaging, task): + messaging.delete_finish(task) + + def on_call_added (self, voice, path, ud): + voice.list_calls(None, self.on_calls, ud) + + def on_calls (self, voice, task, ud = None): + for c in voice.list_calls_finish(task): + state = c.get_state() + path = c.get_path() + nud = copy(ud) + nud.call = c + + if state == ModemManager.CallState.ACTIVE: + c.hangup(None, self.on_call_hangup, nud) + elif state == ModemManager.CallState.RINGING_IN: + if True: + # FIXME + # just hang up for now + c.hangup(None, self.on_call_hangup, nud) + else: + c.accept(None, self.on_call_accept, nud) + elif state == ModemManager.CallState.TERMINATED: + voice.delete_call(path, None, self.on_call_delete, nud) + + def on_call_change (self, call, old, new, reason, ud): + ud.voice.list_calls(None, self.on_calls, ud) + + def on_call_hangup (self, call, task, ud): + call.hangup_finish(task) + ud.voice.list_calls(None, self.on_calls, ud) + + def on_call_delete (self, voice, task, ud): + voice.delete_call_finish(task) + + def on_call_accept (self, call, task, ud): + call.accept_finish(task) + call.connect('state-changed', self.on_call_change, ud) + + # The custom ModemManager will send AT+CPCMREG. + # TODO: play the voice message diff --git a/src/mmfwd/__main__.py b/src/mmfwd/__main__.py new file mode 100644 index 0000000..427e512 --- /dev/null +++ b/src/mmfwd/__main__.py @@ -0,0 +1,30 @@ +import signal +import yaml +from gi.repository import GLib +from mmfwd import * + +CONFIG_FILENAME = "mmfwd.yaml" + +def handle_signal (loop): + '''Handle exit signals''' + loop.quit() + +# load config +try: + from yaml import CLoader as Loader, CDumper as Dumper +except ImportError: + from yaml import Loader, Dumper + +conf = yaml.load(open(CONFIG_FILENAME), Loader)["mmfwd"] +# instantiate the singleton objects +app = Application(conf) +main_loop = GLib.MainLoop() + +GLib.unix_signal_add( + GLib.PRIORITY_HIGH, signal.SIGINT, handle_signal, main_loop) +GLib.unix_signal_add( + GLib.PRIORITY_HIGH, signal.SIGTERM, handle_signal, main_loop) + + +# do the Glib loop +main_loop.run() -- cgit v1.2.3-70-g09d2