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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-present Dan <https://github.com/delivrance>
# Copyright (C) 2017-present bakatrouble <https://github.com/bakatrouble>
# Copyright (C) 2017-present cavallium <https://github.com/cavallium>
# Copyright (C) 2017-present andrew-ld <https://github.com/andrew-ld>
# Copyright (C) 2017-present 01101sam <https://github.com/01101sam>
# Copyright (C) 2017-present KurimuzonAkuma <https://github.com/KurimuzonAkuma>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import asyncio
import inspect
import sqlite3
import time
from concurrent.futures import ThreadPoolExecutor
from typing import Any
from pyrogram import raw
from .storage import Storage
from .. import utils
# language=SQLite
SCHEMA = """
CREATE TABLE sessions
(
dc_id INTEGER PRIMARY KEY,
api_id INTEGER,
test_mode INTEGER,
auth_key BLOB,
date INTEGER NOT NULL,
user_id INTEGER,
is_bot INTEGER
);
CREATE TABLE peers
(
id INTEGER PRIMARY KEY,
access_hash INTEGER,
type INTEGER NOT NULL,
phone_number TEXT,
last_update_on INTEGER NOT NULL DEFAULT (CAST(STRFTIME('%s', 'now') AS INTEGER))
);
CREATE TABLE usernames
(
id INTEGER,
username TEXT,
FOREIGN KEY (id) REFERENCES peers(id)
);
CREATE TABLE update_state
(
id INTEGER PRIMARY KEY,
pts INTEGER,
qts INTEGER,
date INTEGER,
seq INTEGER
);
CREATE TABLE version
(
number INTEGER PRIMARY KEY
);
CREATE INDEX IF NOT EXISTS idx_peers_id ON peers (id);
CREATE INDEX IF NOT EXISTS idx_peers_phone_number ON peers (phone_number);
CREATE INDEX IF NOT EXISTS idx_usernames_id ON usernames (id);
CREATE INDEX IF NOT EXISTS idx_usernames_username ON usernames (username);
CREATE TRIGGER trg_peers_last_update_on
AFTER UPDATE
ON peers
BEGIN
UPDATE peers
SET last_update_on = CAST(STRFTIME('%s', 'now') AS INTEGER)
WHERE id = NEW.id;
END;
"""
def get_input_peer(peer_id: int, access_hash: int, peer_type: str):
if peer_type in ["user", "bot"]:
return raw.types.InputPeerUser(
user_id=peer_id,
access_hash=access_hash
)
if peer_type == "group":
return raw.types.InputPeerChat(
chat_id=-peer_id
)
if peer_type in ["channel", "supergroup"]:
return raw.types.InputPeerChannel(
channel_id=utils.get_channel_id(peer_id),
access_hash=access_hash
)
raise ValueError(f"Invalid peer type: {peer_type}")
class SQLiteStorage(Storage):
VERSION = 6
USERNAME_TTL = 8 * 60 * 60
def __init__(self, name: str):
super().__init__(name)
self.executor = ThreadPoolExecutor(1)
self.loop = asyncio.get_event_loop()
self.conn = None # type: sqlite3.Connection | None
def _create_impl(self):
with self.conn:
self.conn.executescript(SCHEMA)
self.conn.execute(
"INSERT INTO version VALUES (?)",
(self.VERSION,)
)
self.conn.execute(
"INSERT INTO sessions VALUES (?, ?, ?, ?, ?, ?, ?)",
(2, None, None, None, 0, None, None)
)
async def create(self):
return await self.loop.run_in_executor(self.executor, self._create_impl)
async def open(self):
raise NotImplementedError
async def save(self):
await self.date(int(time.time()))
await self.loop.run_in_executor(self.executor, self.conn.commit)
async def close(self):
await self.loop.run_in_executor(self.executor, self.conn.close)
self.executor.shutdown()
async def delete(self):
raise NotImplementedError
def _update_peers_impl(self, peers):
with self.conn:
peers_data = []
usernames_data = []
ids_to_delete = []
for id, access_hash, type, usernames, phone_number in peers:
ids_to_delete.append((id,))
peers_data.append((id, access_hash, type, phone_number))
if usernames:
usernames_data.extend([(id, username) for username in usernames])
self.conn.executemany(
"REPLACE INTO peers (id, access_hash, type, phone_number) VALUES (?, ?, ?, ?)",
peers_data
)
self.conn.executemany(
"DELETE FROM usernames WHERE id = ?",
ids_to_delete
)
if usernames_data:
self.conn.executemany(
"REPLACE INTO usernames (id, username) VALUES (?, ?)",
usernames_data
)
async def update_peers(self, peers: list[tuple[int, int, str, list[str], str]]):
return await self.loop.run_in_executor(self.executor, self._update_peers_impl, peers)
def _update_state_impl(self, value: tuple[int, int, int, int, int] = object):
if value == object:
return self.conn.execute(
"SELECT id, pts, qts, date, seq FROM update_state "
"ORDER BY date ASC"
).fetchall()
else:
with self.conn:
if isinstance(value, int):
self.conn.execute(
"DELETE FROM update_state WHERE id = ?",
(value,)
)
else:
self.conn.execute(
"REPLACE INTO update_state (id, pts, qts, date, seq)"
"VALUES (?, ?, ?, ?, ?)",
value
)
async def update_state(self, value: tuple[int, int, int, int, int] = object):
return await self.loop.run_in_executor(self.executor, self._update_state_impl, value)
def _get_peer_by_id_impl(self, peer_id: int):
with self.conn:
return self.conn.execute(
"SELECT id, access_hash, type FROM peers WHERE id = ?",
(peer_id,)
).fetchone()
async def get_peer_by_id(self, peer_id: int):
r = await self.loop.run_in_executor(self.executor, self._get_peer_by_id_impl, peer_id)
if r is None:
raise KeyError(f"ID not found: {peer_id}")
return get_input_peer(*r)
def _get_peer_by_username_impl(self, username: str):
with self.conn:
return self.conn.execute(
"SELECT p.id, p.access_hash, p.type, p.last_update_on FROM peers p "
"JOIN usernames u ON p.id = u.id "
"WHERE u.username = ? "
"ORDER BY p.last_update_on DESC",
(username,)
).fetchone()
async def get_peer_by_username(self, username: str):
r = await self.loop.run_in_executor(self.executor, self._get_peer_by_username_impl, username)
if r is None:
raise KeyError(f"Username not found: {username}")
if abs(time.time() - r[3]) > self.USERNAME_TTL:
raise KeyError(f"Username expired: {username}")
return get_input_peer(*r[:3])
def _get_peer_by_phone_number_impl(self, phone_number: str):
with self.conn:
return self.conn.execute(
"SELECT id, access_hash, type FROM peers WHERE phone_number = ?",
(phone_number,)
).fetchone()
async def get_peer_by_phone_number(self, phone_number: str):
r = await self.loop.run_in_executor(self.executor, self._get_peer_by_phone_number_impl, phone_number)
if r is None:
raise KeyError(f"Phone number not found: {phone_number}")
return get_input_peer(*r)
def _get_impl(self, attr: str):
with self.conn:
return self.conn.execute(f"SELECT {attr} FROM sessions").fetchone()[0]
# async def _get(self, attr: str):
# return await self.loop.run_in_executor(self.executor, self._get_impl, attr)
async def _get(self):
attr = inspect.stack()[2].function
return await self.loop.run_in_executor(self.executor, self._get_impl, attr)
def _set_impl(self, attr: str, value: any):
with self.conn:
return self.conn.execute(f"UPDATE sessions SET {attr} = ?", (value,))
# async def _set(self, attr: str, value: Any):
# return await self.loop.run_in_executor(self.executor, self._set_impl, attr, value)
async def _set(self, value: Any):
attr = inspect.stack()[2].function
return await self.loop.run_in_executor(self.executor, self._set_impl, attr, value)
async def _accessor(self, value: Any = object):
# return await self._get(attr) if value == object else await self._set(attr, value)
return await self._get() if value == object else await self._set(value)
def _get_version_impl(self):
with self.conn:
return self.conn.execute("SELECT number FROM version").fetchone()[0]
def _set_version_impl(self, value):
with self.conn:
return self.conn.execute("UPDATE version SET number = ?", (value,))
async def dc_id(self, value: int = object):
return await self._accessor(value)
async def api_id(self, value: int = object):
return await self._accessor(value)
async def test_mode(self, value: bool = object):
return await self._accessor(value)
async def auth_key(self, value: bytes = object):
return await self._accessor(value)
async def date(self, value: int = object):
return await self._accessor(value)
async def user_id(self, value: int = object):
return await self._accessor(value)
async def is_bot(self, value: bool = object):
return await self._accessor(value)
async def version(self, value: int = object):
if value == object:
return await self.loop.run_in_executor(self.executor, self._get_version_impl)
else:
return await self.loop.run_in_executor(self.executor, self._set_version_impl, value)