b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: MPL-2.0
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"""Keep oFono incoming messages until Gecko durably acknowledges them."""
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import fcntl
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import json
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import os
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from pathlib import Path
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import time
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import uuid
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ROOT = Path('/var/lib/tundra/sms')
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def transaction(change, root=ROOT, filename="inbox.json"):
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if filename not in ("inbox.json", "outgoing.json"): raise ValueError("INVALID_SMS_STORE")
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root.mkdir(parents=True, mode=0o700, exist_ok=True)
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with (root/'lock').open('a') as lock:
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fcntl.flock(lock, fcntl.LOCK_EX)
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path = root/filename
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rows = json.loads(path.read_text()) if path.exists() else []
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result = change(rows)
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temporary = path.with_suffix('.tmp')
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with open(temporary, 'w', opener=lambda p, f: os.open(p, f, 0o600)) as stream:
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os.fchmod(stream.fileno(),0o600)
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json.dump(rows,stream)
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stream.flush(); os.fsync(stream.fileno())
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temporary.replace(path)
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return result
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def pending():
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return transaction(lambda rows: rows[:100])
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def acknowledge(ids):
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if not isinstance(ids,list) or len(ids)>100 or any(not isinstance(i,str) or len(i)>40 for i in ids):
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raise ValueError('INVALID_SMS_IDS')
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def remove(rows):
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rows[:] = [row for row in rows if row['receipt'] not in ids]
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transaction(remove)
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return True
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def outgoing_state(path):
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rows = transaction(lambda rows: list(rows), filename='outgoing.json')
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return next((row['state'] for row in reversed(rows) if row['path'] == path), None)
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def record_outgoing(path, state):
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if state not in ('sent','failed'): return
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def update(rows):
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rows[:] = [row for row in rows if row['path'] != path][-999:]
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rows.append({'path':path,'state':state,'timestamp':round(time.time()*1000)})
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transaction(update, filename='outgoing.json')
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def main():
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import dbus
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from dbus.mainloop.glib import DBusGMainLoop
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from gi.repository import GLib
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os.umask(0o077)
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DBusGMainLoop(set_as_default=True)
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bus = dbus.SystemBus()
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def incoming(body, properties):
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row = {'receipt':str(uuid.uuid4()),'sender':str(properties.get('Sender','')),
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'body':str(body),'timestamp':round(time.time()*1000)}
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transaction(lambda rows:rows.append(row))
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bus.add_signal_receiver(incoming,signal_name='IncomingMessage',
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dbus_interface='org.ofono.MessageManager',bus_name='org.ofono',path='/ril_0')
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def outgoing(name, value, path=None):
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if name == 'State' and path and str(path).startswith('/ril_0/message'):
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record_outgoing(str(path), str(value))
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bus.add_signal_receiver(outgoing, signal_name='PropertyChanged',
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dbus_interface='org.ofono.Message', bus_name='org.ofono', path_keyword='path')
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GLib.MainLoop().run()
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if __name__ == '__main__':
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main()
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