Enforce non-optional ktid and kt_receiver for portal DB objects

matrix_appservice_kakaotalk/commands/auth.py

@@ -128,6 +128,7 @@ async def enter_dv_code(evt: CommandEvent) -> None:
     assert(evt.sender.command_status)
     req: dict = evt.sender.command_status["req"]
     passcode = evt.content.body
+    await evt.mark_read()
     try:
         await KakaoTalkClient.register_device(passcode, **req)
         await _do_login(evt, req)
@@ -191,6 +192,7 @@ async def reset_device(evt: CommandEvent) -> None:
     if await evt.sender.is_logged_in():
         await evt.reply("This command requires you to be logged out.")
     else:
+        await evt.mark_read()
         await evt.sender.logout(reset_device=True)
         await evt.reply(
             "Your next login will use a different device ID.\n\n"

matrix_appservice_kakaotalk/commands/conn.py

@@ -71,6 +71,7 @@ async def ping(evt: CommandEvent) -> None:
     if not await evt.sender.is_logged_in():
         await evt.reply("You're not logged into KakaoTalk")
         return
+    await evt.mark_read()
     # try:
     own_info = await evt.sender.get_own_info()
     # TODO catch errors
@@ -99,3 +100,15 @@ async def ping(evt: CommandEvent) -> None:
 async def refresh(evt: CommandEvent) -> None:
     await evt.sender.refresh(force_notice=True)
 """
+
+
+@command_handler(
+    needs_auth=True,
+    management_only=True,
+    help_section=SECTION_CONNECTION,
+    help_text="Resync chats",
+)
+async def sync(evt: CommandEvent) -> None:
+    await evt.mark_read()
+    await evt.sender.post_login(is_startup=False)
+    await evt.reply("Sync complete")

matrix_appservice_kakaotalk/db/message.py

@@ -23,6 +23,8 @@ from attr import dataclass
 from mautrix.types import EventID, RoomID
 from mautrix.util.async_db import Database
 
+from ..kt.types.bson import Long, StrLong
+
 fake_db = Database.create("") if TYPE_CHECKING else None
 
 
@@ -30,46 +32,44 @@ fake_db = Database.create("") if TYPE_CHECKING else None
 class Message:
     db: ClassVar[Database] = fake_db
 
+    # TODO Store all Long values as the same type
     mxid: EventID
     mx_room: RoomID
-    ktid: str | None
+    ktid: Long
-    kt_txn_id: int | None
     index: int
-    kt_chat: int
+    kt_chat: Long
-    kt_receiver: int
+    kt_receiver: Long
-    kt_sender: int
     timestamp: int
 
     @classmethod
     def _from_row(cls, row: Record | None) -> Message | None:
-        if row is None:
+        data = {**row}
-            return None
+        ktid = data.pop("ktid")
-        return cls(**row)
+        kt_chat = data.pop("kt_chat")
-
+        kt_receiver = data.pop("kt_receiver")
-    columns = 'mxid, mx_room, ktid, kt_txn_id, "index", kt_chat, kt_receiver, kt_sender, timestamp'
+        return cls(
+            **data,
+            ktid=StrLong(ktid),
+            kt_chat=Long.from_bytes(kt_chat),
+            kt_receiver=Long.from_bytes(kt_receiver)
+        )
 
     @classmethod
-    async def get_all_by_ktid(cls, ktid: str, kt_receiver: int) -> list[Message]:
+    def _from_optional_row(cls, row: Record | None) -> Message | None:
+        return cls._from_row(row) if row is not None else None
+
+    columns = 'mxid, mx_room, ktid, "index", kt_chat, kt_receiver, timestamp'
+
+    @classmethod
+    async def get_all_by_ktid(cls, ktid: Long, kt_receiver: Long) -> list[Message]:
         q = f"SELECT {cls.columns} FROM message WHERE ktid=$1 AND kt_receiver=$2"
-        rows = await cls.db.fetch(q, ktid, kt_receiver)
+        rows = await cls.db.fetch(q, str(ktid), bytes(kt_receiver))
         return [cls._from_row(row) for row in rows]
 
     @classmethod
-    async def get_by_ktid(cls, ktid: str, kt_receiver: int, index: int = 0) -> Message | None:
+    async def get_by_ktid(cls, ktid: Long, kt_receiver: Long, index: int = 0) -> Message | None:
         q = f'SELECT {cls.columns} FROM message WHERE ktid=$1 AND kt_receiver=$2 AND "index"=$3'
-        row = await cls.db.fetchrow(q, ktid, kt_receiver, index)
+        row = await cls.db.fetchrow(q, str(ktid), bytes(kt_receiver), index)
-        return cls._from_row(row)
-
-    @classmethod
-    async def get_by_ktid_or_oti(
-        cls, ktid: str, oti: int, kt_receiver: int, kt_sender: int, index: int = 0
-    ) -> Message | None:
-        q = (
-            f"SELECT {cls.columns} "
-            "FROM message WHERE (ktid=$1 OR (kt_txn_id=$2 AND kt_sender=$3)) AND "
-            '                   kt_receiver=$4 AND "index"=$5'
-        )
-        row = await cls.db.fetchrow(q, ktid, oti, kt_sender, kt_receiver, index)
         return cls._from_row(row)
 
     @classmethod
@@ -83,18 +83,18 @@ class Message:
         return cls._from_row(row)
 
     @classmethod
-    async def get_most_recent(cls, kt_chat: int, kt_receiver: int) -> Message | None:
+    async def get_most_recent(cls, kt_chat: Long, kt_receiver: Long) -> Message | None:
         q = (
             f"SELECT {cls.columns} "
             "FROM message WHERE kt_chat=$1 AND kt_receiver=$2 AND ktid IS NOT NULL "
             "ORDER BY timestamp DESC LIMIT 1"
         )
-        row = await cls.db.fetchrow(q, kt_chat, kt_receiver)
+        row = await cls.db.fetchrow(q, bytes(kt_chat), bytes(kt_receiver))
         return cls._from_row(row)
 
     @classmethod
     async def get_closest_before(
-        cls, kt_chat: int, kt_receiver: int, timestamp: int
+        cls, kt_chat: Long, kt_receiver: Long, timestamp: int
     ) -> Message | None:
         q = (
             f"SELECT {cls.columns} "
@@ -102,23 +102,21 @@ class Message:
             "                   ktid IS NOT NULL "
             "ORDER BY timestamp DESC LIMIT 1"
         )
-        row = await cls.db.fetchrow(q, kt_chat, kt_receiver, timestamp)
+        row = await cls.db.fetchrow(q, bytes(kt_chat), bytes(kt_receiver), timestamp)
         return cls._from_row(row)
 
     _insert_query = (
-        'INSERT INTO message (mxid, mx_room, ktid, kt_txn_id, "index", kt_chat, kt_receiver, '
+        'INSERT INTO message (mxid, mx_room, ktid, "index", kt_chat, kt_receiver, '
-        "                     kt_sender, timestamp) "
+        "                     timestamp) "
-        "VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)"
+        "VALUES ($1, $2, $3, $4, $5, $6, $7)"
     )
 
     @classmethod
     async def bulk_create(
         cls,
-        ktid: str,
+        ktid: Long,
-        oti: int,
+        kt_chat: Long,
-        kt_chat: int,
+        kt_receiver: Long,
-        kt_receiver: int,
-        kt_sender: int,
         event_ids: list[EventID],
         timestamp: int,
         mx_room: RoomID,
@@ -127,7 +125,7 @@ class Message:
             return
         columns = [col.strip('"') for col in cls.columns.split(", ")]
         records = [
-            (mxid, mx_room, ktid, oti, index, kt_chat, kt_receiver, kt_sender, timestamp)
+            (mxid, mx_room, str(ktid), index, bytes(kt_chat), bytes(kt_receiver), timestamp)
             for index, mxid in enumerate(event_ids)
         ]
         async with cls.db.acquire() as conn, conn.transaction():
@@ -142,19 +140,17 @@ class Message:
             q,
             self.mxid,
             self.mx_room,
-            self.ktid,
+            str(self.ktid),
-            self.kt_txn_id,
             self.index,
-            self.kt_chat,
+            bytes(self.kt_chat),
-            self.kt_receiver,
+            bytes(self.kt_receiver),
-            self.kt_sender,
             self.timestamp,
         )
 
     async def delete(self) -> None:
         q = 'DELETE FROM message WHERE ktid=$1 AND kt_receiver=$2 AND "index"=$3'
-        await self.db.execute(q, self.ktid, self.kt_receiver, self.index)
+        await self.db.execute(q, str(self.ktid), bytes(self.kt_receiver), self.index)
 
     async def update(self) -> None:
         q = "UPDATE message SET ktid=$1, timestamp=$2 WHERE mxid=$3 AND mx_room=$4"
-        await self.db.execute(q, self.ktid, self.timestamp, self.mxid, self.mx_room)
+        await self.db.execute(q, str(self.ktid), self.timestamp, self.mxid, self.mx_room)

matrix_appservice_kakaotalk/db/portal.py

@@ -50,7 +50,7 @@ class Portal:
         data = {**row}
         ktid = data.pop("ktid")
         kt_receiver = data.pop("kt_receiver")
-        return cls(**data, ktid=Long.from_optional_bytes(ktid), kt_receiver=Long.from_optional_bytes(kt_receiver))
+        return cls(**data, ktid=Long.from_bytes(ktid), kt_receiver=Long.from_bytes(kt_receiver))
 
     @classmethod
     def _from_optional_row(cls, row: Record | None) -> Portal | None:

matrix_appservice_kakaotalk/example-config.yaml

@@ -186,7 +186,6 @@ bridge:
         # Whether or not the KakaoTalk users of logged in Matrix users should be
         # invited to private chats when backfilling history from KakaoTalk. This is
         # usually needed to prevent rate limits and to allow timestamp massaging.
-        # TODO Is this necessary?
         invite_own_puppet: true
         # Maximum number of messages to backfill initially.
         # Set to 0 to disable backfilling when creating portal.

matrix_appservice_kakaotalk/kt/client/client.py

@@ -43,7 +43,11 @@ from ..types.chat.chat import Chatlog
 from ..types.oauth import OAuthCredential, OAuthInfo
 from ..types.request import (
     deserialize_result,
-    ResultType, RootCommandResult, CommandResultDoneValue)
+    ResultType,
+    ResultListType,
+    RootCommandResult,
+    CommandResultDoneValue
+)
 
 from .types import ChannelInfoUnion
 from .types import PortalChannelInfo
@@ -155,7 +159,8 @@ class Client:
     ) -> _RequestContextManager:
         # TODO Is auth ever needed?
         headers = {
-            **self._headers,
+            # TODO Are any default headers needed?
+            #**self._headers,
             **(headers or {}),
         }
         url = URL(url)
@@ -185,16 +190,24 @@ class Client:
         assert self.user.ktid == login_result.userId, f"User ID mismatch: expected {self.user.ktid}, got {login_result.userId}"
         return login_result
 
-    async def fetch_logged_in_user(self, post_login: bool = False) -> ProfileStruct:
-        profile_req_struct = await self._api_user_request_result(ProfileReqStruct, "get_own_profile")
-        return profile_req_struct.profile
-
     """
     async def is_connected(self) -> bool:
         resp = await self._rpc_client.request("is_connected")
         return resp["is_connected"]
     """
 
+    async def fetch_logged_in_user(self, post_login: bool = False) -> ProfileStruct:
+        profile_req_struct = await self._api_user_request_result(ProfileReqStruct, "get_own_profile")
+        return profile_req_struct.profile
+
+    async def get_profile(self, user_id: Long) -> ProfileStruct:
+        profile_req_struct = await self._api_user_request_result(
+            ProfileReqStruct,
+            "get_profile",
+            user_id=user_id.serialize()
+        )
+        return profile_req_struct.profile
+
     async def get_portal_channel_info(self, channel_info: ChannelInfoUnion) -> PortalChannelInfo:
         req = await self._api_user_request_result(
             PortalChannelInfo,
@@ -204,13 +217,13 @@ class Client:
         req.channel_info = channel_info
         return req
 
-    async def get_profile(self, user_id: Long) -> ProfileStruct:
+    async def get_chats(self, channel_id: Long, limit: int | None, sync_from: Long | None) -> list[Chatlog]:
-        profile_req_struct = await self._api_user_request_result(
+        return (await self._api_user_request_result(
-            ProfileReqStruct,
+            ResultListType(Chatlog),
-            "get_profile",
+            "get_chats",
-            user_id=user_id.serialize()
+            channel_id=channel_id.serialize(),
-        )
+            sync_from=sync_from.serialize() if sync_from else None
-        return profile_req_struct.profile
+        ))[-limit if limit else 0:]
 
     async def stop(self) -> None:
         # TODO Stop all event handlers

matrix_appservice_kakaotalk/kt/client/types.py

@@ -15,23 +15,44 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """Custom wrapper classes around types defined by the KakaoTalk API."""
 
-from typing import Optional, Union
+from typing import Optional, NewType, Union
 
 from attr import dataclass
 
-from mautrix.types import SerializableAttrs
+from mautrix.types import SerializableAttrs, JSON, deserializer
 
 from ..types.channel.channel_info import NormalChannelInfo
 from ..types.openlink.open_channel_info import OpenChannelInfo
 from ..types.user.channel_user_info import NormalChannelUserInfo, OpenChannelUserInfo
 
 
-ChannelInfoUnion = Union[NormalChannelInfo, OpenChannelInfo]
+ChannelInfoUnion = NewType("ChannelInfoUnion", Union[NormalChannelInfo, OpenChannelInfo])
-UserInfoUnion = Union[NormalChannelUserInfo, OpenChannelUserInfo]
+
+@deserializer(ChannelInfoUnion)
+def deserialize_channel_info_union(data: JSON) -> ChannelInfoUnion:
+    if "openLink" in data:
+        return OpenChannelInfo.deserialize(data)
+    else:
+        return NormalChannelInfo.deserialize(data)
+
+setattr(ChannelInfoUnion, "deserialize", deserialize_channel_info_union)
+
+
+UserInfoUnion = NewType("UserInfoUnion", Union[NormalChannelUserInfo, OpenChannelUserInfo])
+
+@deserializer(UserInfoUnion)
+def deserialize_user_info_union(data: JSON) -> UserInfoUnion:
+    if "perm" in data:
+        return OpenChannelUserInfo.deserialize(data)
+    else:
+        return NormalChannelUserInfo.deserialize(data)
+
+setattr(UserInfoUnion, "deserialize", deserialize_user_info_union)
+
 
 @dataclass
 class PortalChannelInfo(SerializableAttrs):
     name: str
-    #participants: list[PuppetUserInfo]
+    participants: list[UserInfoUnion]
     # TODO Image
     channel_info: Optional[ChannelInfoUnion] = None # Should be set manually by caller

matrix_appservice_kakaotalk/kt/types/attachment/__init__.py

@@ -13,6 +13,8 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
 from attr import dataclass
 
 from mautrix.types import SerializableAttrs
@@ -23,9 +25,9 @@ from .mention import MentionStruct
 
 @dataclass(kw_only=True)
 class Attachment(SerializableAttrs):
-    shout: bool | None = None
+    shout: Optional[bool] = None
-    mentions: list[MentionStruct] | None = None
+    mentions: Optional[list[MentionStruct]] = None
-    urls: list[str] | None = None
+    urls: Optional[list[str]] = None
 
 
 @dataclass

matrix_appservice_kakaotalk/kt/types/bson.py

@@ -32,11 +32,11 @@ class Long(SerializableAttrs):
         return cls(**bson.loads(raw))
 
     @classmethod
-    def from_optional_bytes(cls, raw: bytes | None) -> Optional["Long"]:
+    def from_optional_bytes(cls, raw: Optional[bytes]) -> Optional["Long"]:
         return cls(**bson.loads(raw)) if raw is not None else None
 
     @classmethod
-    def to_optional_bytes(cls, value: Optional["Long"]) -> bytes | None:
+    def to_optional_bytes(cls, value: Optional["Long"]) -> Optional[bytes]:
         return bytes(value) if value is not None else None
 
     def serialize(self) -> JSON:
@@ -48,13 +48,34 @@ class Long(SerializableAttrs):
         return bson.dumps(asdict(self))
 
     def __int__(self) -> int:
-        # TODO Is this right?
+        if self.unsigned:
-        return self.high << 32 + self.low
+            pass
+        result = \
+            ((self.high + (1 << 32 if self.high < 0 else 0)) << 32) + \
+            ( self.low  + (1 << 32 if self.low  < 0 else 0))
+        return result + (1 << 32 if self.unsigned and result < 0 else 0)
 
     def __str__(self) -> str:
-        return f"{self.high << 32 if self.high else ''}{self.low}"
+        return str(int(self))
 
     ZERO: ClassVar["Long"]
 
-
 Long.ZERO = Long(0, 0, False)
+
+
+class IntLong(Long):
+    """Helper class for constructing a Long from an int."""
+    def __init__(self, val: int):
+        if val < 0:
+            pass
+        super().__init__(
+            high=(val & 0xffffffff00000000) >> 32,
+            low = val & 0x00000000ffffffff,
+            unsigned=val < 0,
+        )
+
+
+class StrLong(IntLong):
+    """Helper class for constructing a Long from the string representation of an int."""
+    def __init__(self, val: str):
+        super().__init__(int(val))

matrix_appservice_kakaotalk/kt/types/channel/channel_info.py

@@ -13,7 +13,7 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Generic, TypeVar
+from typing import Generic, TypeVar, Optional
 
 from attr import dataclass
 
@@ -48,7 +48,7 @@ class ChannelInfo(Channel):
     newChatCountInvalid: bool
     lastChatLogId: Long
     lastSeenLogId: Long
-    lastChatLog: Chatlog | None = None
+    lastChatLog: Optional[Chatlog] = None
     metaMap: ChannelMetaMap
     displayUserList: list[DisplayUserInfo]
     pushAlert: bool

matrix_appservice_kakaotalk/kt/types/channel/channel_type.py

@@ -23,12 +23,12 @@ class KnownChannelType(str, Enum):
     DirectChat = "DirectChat"
     PlusChat = "PlusChat"
     MemoChat = "MemoChat"
-    OM = "OM"
+    OM = "OM" # "OpenMulti"?
-    OD = "OD"
+    OD = "OD" # "OpenDirect"?
 
     @classmethod
     def is_direct(cls, value: Union["KnownChannelType", str]) -> bool:
-        return str in [KnownChannelType.DirectChat, KnownChannelType.OD]
+        return value == KnownChannelType.DirectChat
 
 
 ChannelType = Union[KnownChannelType, str] # Substitute for ChannelType = "name1" | ... | "nameN" | str

matrix_appservice_kakaotalk/kt/types/openlink/open_channel_info.py

@@ -13,6 +13,8 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
 from attr import dataclass
 
 from mautrix.types import JSON
@@ -25,7 +27,7 @@ from . import OpenTokenComponent, OpenLink
 @dataclass(kw_only=True)
 class OpenChannelInfo(ChannelInfo, OpenChannel, OpenTokenComponent):
     directChannel: bool
-    openLink: OpenLink | None = None
+    openLink: Optional[OpenLink] = None
 
 
 @dataclass

matrix_appservice_kakaotalk/kt/types/request.py

@@ -13,12 +13,12 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-from typing import Generic, Type, TypeVar, Union
+from typing import Generic, Type, TypeVar, Union, Iterable
 
 from attr import dataclass
 from enum import IntEnum
 
-from mautrix.types import SerializableAttrs, JSON
+from mautrix.types import Serializable, SerializableAttrs, JSON
 
 from .api.auth_api_client import KnownAuthStatusCode
 
@@ -80,7 +80,22 @@ class RootCommandResult(ResponseState):
     success: bool
 
 
-ResultType = TypeVar("ResultType", bound=SerializableAttrs)
+ResultType = TypeVar("ResultType", bound=Serializable)
+
+def ResultListType(result_type: Type[ResultType]):
+    class _ResultListType(list[result_type], Serializable):
+        def __init__(self, iterable: Iterable[result_type]=()):
+            list.__init__(self, (result_type.deserialize(x) for x in iterable))
+
+        def serialize(self) -> list[JSON]:
+            return [v.serialize() for v in self]
+
+        @classmethod
+        def deserialize(cls, data: list[JSON]) -> "_ResultListType":
+            return cls(data)
+
+    return _ResultListType
+
 
 @dataclass
 class CommandResultDoneValue(RootCommandResult, Generic[ResultType]):

matrix_appservice_kakaotalk/kt/types/user/channel_user.py

@@ -13,6 +13,8 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
 from attr import dataclass
 
 from mautrix.types import SerializableAttrs
@@ -28,7 +30,7 @@ class ChannelUser(SerializableAttrs):
 @dataclass(kw_only=True)
 class PartialOpenLinkComponent(SerializableAttrs):
     """Substitute for Partial<OpenLinkComponent>"""
-    linkId: Long | None = None
+    linkId: Optional[Long] = None
 
 
 @dataclass

matrix_appservice_kakaotalk/portal.py

@@ -45,12 +45,14 @@ from .db import (
     Message as DBMessage,
     Portal as DBPortal,
 )
+from .formatter.from_kakaotalk import kakaotalk_to_matrix
 
-from .kt.types.bson import Long
+from .kt.types.bson import Long, IntLong
+from .kt.types.channel.channel_info import ChannelInfo
 from .kt.types.channel.channel_type import KnownChannelType, ChannelType
-from .kt.types.user.channel_user_info import DisplayUserInfo
+from .kt.types.chat.chat import Chatlog
 
-from .kt.client.types import PortalChannelInfo
+from .kt.client.types import UserInfoUnion, PortalChannelInfo
 
 if TYPE_CHECKING:
     from .__main__ import KakaoTalkBridge
@@ -201,7 +203,7 @@ class Portal(DBPortal, BasePortal):
                     #self._update_photo(source, info.image),
                 )
             )
-        changed = await self._update_participants(source, info.channel_info.displayUserList) or changed
+        changed = await self._update_participants(source, info.participants) or changed
         if changed or force_save:
             await self.update_bridge_info()
             await self.save()
@@ -342,7 +344,7 @@ class Portal(DBPortal, BasePortal):
             )
     """
 
-    async def _update_participants(self, source: u.User, participants: list[DisplayUserInfo]) -> bool:
+    async def _update_participants(self, source: u.User, participants: list[UserInfoUnion]) -> bool:
         changed = False
         # TODO nick_map?
         for participant in participants:
@@ -556,10 +558,10 @@ class Portal(DBPortal, BasePortal):
                     )
 
             if not self.is_direct:
-                await self._update_participants(source, info.channel_info.displayUserList)
+                await self._update_participants(source, info.participants)
 
             try:
-                await self.backfill(source, is_initial=True, channel=info.channel_info)
+                await self.backfill(source, is_initial=True, channel_info=info.channel_info)
             except Exception:
                 self.log.exception("Failed to backfill new portal")
 
@@ -752,31 +754,131 @@ class Portal(DBPortal, BasePortal):
         self,
         source: u.User,
         sender: p.Puppet,
-        message: str,
+        message: Chatlog,
-        reply_to: None = None,
+        reply_to: Chatlog | None = None,
     ) -> None:
         try:
             await self._handle_remote_message(source, sender, message, reply_to)
         except Exception:
             self.log.exception(
-                "Error handling Kakaotalk message <TODO: ID>"
+                "Error handling KakaoTalk message %s",
+                message.logId,
             )
 
     async def _handle_remote_message(
         self,
         source: u.User,
         sender: p.Puppet,
-        message: str,
+        message: Chatlog,
-        reply_to: None = None,
+        reply_to: Chatlog | None = None,
     ) -> None:
-        self.log.info("TODO")
+        self.log.debug(f"Handling KakaoTalk event {message.logId}")
+        if not self.mxid:
+            mxid = await self.create_matrix_room(source)
+            if not mxid:
+                # Failed to create
+                return
+        if not await self._bridge_own_message_pm(source, sender, f"message {message.logId}"):
+            return
+        intent = sender.intent_for(self)
+        if (
+            self._backfill_leave is not None
+            and self.ktid != sender.ktid
+            and intent != sender.intent
+            and intent not in self._backfill_leave
+        ):
+            self.log.debug("Adding %s's default puppet to room for backfilling", sender.mxid)
+            await self.main_intent.invite_user(self.mxid, intent.mxid)
+            await intent.ensure_joined(self.mxid)
+            self._backfill_leave.add(intent)
+
+        if message.attachment:
+            self.log.info("TODO: _handle_remote_message attachments")
+        if message.supplement:
+            self.log.info("TODO: _handle_remote_message supplements")
+        if message.text:
+            content = await kakaotalk_to_matrix(message.text)
+            event_id = await self._send_message(intent, content, timestamp=message.sendAt)
+            await DBMessage(
+                mxid=event_id,
+                mx_room=self.mxid,
+                ktid=message.logId,
+                index=0,
+                kt_chat=self.ktid,
+                kt_receiver=self.kt_receiver,
+                timestamp=message.sendAt,
+            ).insert()
+            await self._send_delivery_receipt(event_id)
+        else:
+            self.log.warning(f"Unhandled KakaoTalk message {message.logId}")
 
     # TODO Many more remote handlers
 
     # endregion
 
-    async def backfill(self, source: u.User, is_initial: bool, channel: PortalChannelInfo) -> None:
+    async def backfill(self, source: u.User, is_initial: bool, channel_info: ChannelInfo) -> None:
-        self.log.info("TODO: backfill")
+        limit = (
+            self.config["bridge.backfill.initial_limit"]
+            if is_initial
+            else self.config["bridge.backfill.missed_limit"]
+        )
+        if limit == 0:
+            return
+        elif limit < 0:
+            limit = None
+        last_log_id = None
+        if not is_initial and channel_info.lastChatLog:
+            last_log_id = channel_info.lastChatLog.logId
+        most_recent = await DBMessage.get_most_recent(self.ktid, self.kt_receiver)
+        if most_recent and is_initial:
+            self.log.debug("Not backfilling %s: already bridged messages found", self.ktid_log)
+        # TODO Should this be removed? With it, can't sync an empty portal!
+        #elif (not most_recent or not most_recent.timestamp) and not is_initial:
+        #    self.log.debug("Not backfilling %s: no most recent message found", self.ktid_log)
+        elif last_log_id and most_recent and int(most_recent.ktid) >= int(last_log_id):
+            self.log.debug(
+                "Not backfilling %s: last activity is equal to most recent bridged "
+                "message (%s >= %s)",
+                self.ktid_log,
+                most_recent.ktid,
+                last_log_id,
+            )
+        else:
+            with self.backfill_lock:
+                await self._backfill(
+                    source,
+                    limit,
+                    most_recent.ktid if most_recent else None,
+                    channel_info=channel_info,
+                )
+
+    async def _backfill(
+        self,
+        source: u.User,
+        limit: int | None,
+        after_log_id: Long | None,
+        channel_info: ChannelInfo,
+    ) -> None:
+        self.log.debug("Backfilling history through %s", source.mxid)
+        self.log.debug("Fetching %s messages through %s", f"up to {limit}" if limit else "all", str(source.ktid))
+        messages = await source.client.get_chats(
+            channel_info.channelId,
+            limit,
+            after_log_id
+        )
+        if not messages:
+            self.log.debug("Didn't get any messages from server")
+            return
+        self.log.debug(f"Got {len(messages)} message{'s' if len(messages) is not 1 else ''} from server")
+        self._backfill_leave = set()
+        async with NotificationDisabler(self.mxid, source):
+            for message in messages:
+                puppet = await p.Puppet.get_by_ktid(message.sender.userId)
+                await self.handle_remote_message(source, puppet, message)
+        for intent in self._backfill_leave:
+            self.log.trace("Leaving room with %s post-backfill", intent.mxid)
+            await intent.leave_room(self.mxid)
+        self.log.info("Backfilled %d messages through %s", len(messages), source.mxid)
 
     # region Database getters
 

matrix_appservice_kakaotalk/puppet.py

@@ -31,8 +31,9 @@ from . import matrix as m, portal as p, user as u
 from .config import Config
 from .db import Puppet as DBPuppet
 
-from .kt.types.bson import Long
+from .kt.types.bson import Long, StrLong
-from .kt.types.user.channel_user_info import DisplayUserInfo
+
+from .kt.client.types import UserInfoUnion
 
 if TYPE_CHECKING:
     from .__main__ import KakaoTalkBridge
@@ -42,7 +43,7 @@ class Puppet(DBPuppet, BasePuppet):
     mx: m.MatrixHandler
     config: Config
     hs_domain: str
-    mxid_template: SimpleTemplate[int]
+    mxid_template: SimpleTemplate[StrLong]
 
     by_ktid: dict[Long, Puppet] = {}
     by_custom_mxid: dict[UserID, Puppet] = {}
@@ -126,7 +127,7 @@ class Puppet(DBPuppet, BasePuppet):
             keyword="userid",
             prefix="@",
             suffix=f":{Puppet.hs_domain}",
-            type=int,
+            type=StrLong,
         )
         cls.sync_with_custom_puppets = cls.config["bridge.sync_with_custom_puppets"]
         cls.homeserver_url_map = {
@@ -147,7 +148,7 @@ class Puppet(DBPuppet, BasePuppet):
     async def update_info(
         self,
         source: u.User,
-        info: DisplayUserInfo,
+        info: UserInfoUnion,
         update_avatar: bool = True,
     ) -> Puppet:
         self._last_info_sync = datetime.now()
@@ -161,7 +162,7 @@ class Puppet(DBPuppet, BasePuppet):
             self.log.exception(f"Failed to update info from source {source.ktid}")
         return self
 
-    async def _update_name(self, info: DisplayUserInfo) -> bool:
+    async def _update_name(self, info: UserInfoUnion) -> bool:
         name = info.nickname
         if name != self.name or not self.name_set:
             self.name = name
@@ -259,7 +260,7 @@ class Puppet(DBPuppet, BasePuppet):
         return None
 
     @classmethod
-    def get_id_from_mxid(cls, mxid: UserID) -> int | None:
+    def get_id_from_mxid(cls, mxid: UserID) -> Long | None:
         return cls.mxid_template.parse(mxid)
 
     @classmethod

matrix_appservice_kakaotalk/user.py

@@ -415,6 +415,7 @@ class User(DBUser, BaseUser):
 
         assert self.client
         try:
+            # TODO if not is_startup, close existing listeners
             login_result = await self.client.start()
             await self._sync_channels(login_result, is_startup)
             # TODO connect listeners, even if channel sync fails (except if it's an auth failure)
@@ -502,7 +503,7 @@ class User(DBUser, BaseUser):
             await portal.create_matrix_room(self, portal_info)
         else:
             await portal.update_matrix_room(self, portal_info)
-            await portal.backfill(self, is_initial=False, channel=channel_info)
+            await portal.backfill(self, is_initial=False, channel_info=channel_info)
 
     async def get_notice_room(self) -> RoomID:
         if not self.notice_room:

node/src/client.js

@@ -202,6 +202,14 @@ export default class PeerClient {
 		return loginRes
 	}
 
+	/**
+	 * TODO Consider caching per-user
+	 * @param {string} uuid
+	 */
+	async #createAuthClient(uuid) {
+		return await AuthApiClient.create("KakaoTalk Bridge", uuid)
+	}
+
 	// TODO Wrapper for per-user commands
 
 	/**
@@ -237,14 +245,6 @@ export default class PeerClient {
 		return await oAuthClient.renew(req.oauth_credential)
 	}
 
-	/**
-	 * TODO Consider caching per-user
-	 * @param {string} uuid
-	 */
-	async #createAuthClient(uuid) {
-		return await AuthApiClient.create("KakaoTalk Bridge", uuid)
-	}
-
 	/**
 	 * @param {Object} req
 	 * @param {string} req.mxid
@@ -314,22 +314,33 @@ export default class PeerClient {
 	 * @param {string} req.mxid
 	 * @param {Long} req.channel_id
 	 */
-	getPortalChannelInfo = (req) => {
+	getPortalChannelInfo = async (req) => {
 		const userClient = this.#getUser(req.mxid)
 		const talkChannel = userClient.talkClient.channelList.get(req.channel_id)
 
-		/* TODO Decide if this is needed. If it is, make function async!
 		const res = await talkChannel.updateAll()
 		if (!res.success) return res
-		*/
 
 		return this.#makeCommandResult({
 			name: talkChannel.getDisplayName(),
-			//participants: Array.from(talkChannel.getAllUserInfo()),
+			participants: Array.from(talkChannel.getAllUserInfo()),
 			// TODO Image
 		})
 	}
 
+	/**
+	 * @param {Object} req
+	 * @param {string} req.mxid
+	 * @param {Long} req.channel_id
+	 * @param {Long?} req.sync_from
+	 */
+	getChats = async (req) => {
+		const userClient = this.#getUser(req.mxid)
+		const talkChannel = userClient.talkClient.channelList.get(req.channel_id)
+
+		return await talkChannel.getChatListFrom(req.sync_from)
+	}
+
 	/**
 	 * @param {Object} req
 	 * @param {string} req.mxid
@@ -421,6 +432,7 @@ export default class PeerClient {
 				register_device: this.registerDevice,
 				get_own_profile: this.getOwnProfile,
 				get_portal_channel_info: this.getPortalChannelInfo,
+				get_chats: this.getChats,
 				get_profile: this.getProfile,
 				/*
 				send: req => this.puppet.sendMessage(req.chat_id, req.text),