Fixes

.dockerignore

@@ -0,0 +1,24 @@
+.git/
+.gitea/
+.gitignore
+
+.venv/
+__pycache__/
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+.uv/
+
+*.py[cod]
+*.pyo
+*.log
+
+.env
+.env.*
+.secrets.toml
+
+db.sqlite3
+
+Dockerfile
+docker-compose*.yml
+README.md

LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU 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.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

alembic/env.py

@@ -4,9 +4,8 @@ from sqlalchemy import engine_from_config
 from sqlalchemy import pool
 
 from alembic import context
-from sqlmodel import SQLModel
 
-from loon.web.db import database_url
+from loon.web.db import Base, database_url
 
 import loon.web
 
@@ -23,7 +22,7 @@ if config.config_file_name is not None:
 # for 'autogenerate' support
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
-target_metadata = SQLModel.metadata
+target_metadata = Base.metadata
 
 config.set_main_option("sqlalchemy.url", database_url())
 

alembic/script.py.mako

@@ -10,8 +10,6 @@ from typing import Sequence, Union
 from alembic import op
 import sqlalchemy as sa
 ${imports if imports else ""}
-import sqlmodel
-
 # revision identifiers, used by Alembic.
 revision: str = ${repr(up_revision)}
 down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}

alembic/versions/2df7e2c6af43_users.py

@@ -1,42 +0,0 @@
-"""Users
-
-Revision ID: 2df7e2c6af43
-Revises: 
-Create Date: 2026-08-17 12:42:05.103510
-
-"""
-from typing import Sequence, Union
-
-from alembic import op
-import sqlalchemy as sa
-
-import sqlmodel
-
-# revision identifiers, used by Alembic.
-revision: str = '2df7e2c6af43'
-down_revision: Union[str, Sequence[str], None] = None
-branch_labels: Union[str, Sequence[str], None] = None
-depends_on: Union[str, Sequence[str], None] = None
-
-
-def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('user',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('uuid', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-    sa.Column('internal_username', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-    sa.Column('password', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-    sa.Column('admin', sa.Boolean(), nullable=False),
-    sa.PrimaryKeyConstraint('id'),
-    sa.UniqueConstraint('internal_username'),
-    sa.UniqueConstraint('uuid')
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('user')
-    # ### end Alembic commands ###

alembic/versions/7efb7d0c39ae_init.py

@@ -0,0 +1,65 @@
+"""init
+
+Revision ID: 7efb7d0c39ae
+Revises: 
+Create Date: 2026-09-04 23:50:22.513272
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = '7efb7d0c39ae'
+down_revision: Union[str, Sequence[str], None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('logtype',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('code', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('code')
+    )
+    op.create_table('minecraftuser',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('uuid', sa.String(), nullable=False),
+    sa.Column('username', sa.String(), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('uuid')
+    )
+    op.create_table('logentry',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('log_type_id', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('message', sa.String(), nullable=False),
+    sa.ForeignKeyConstraint(['log_type_id'], ['logtype.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('user',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('minecraft_user_id', sa.Integer(), nullable=False),
+    sa.Column('internal_username', sa.String(), nullable=False),
+    sa.Column('password', sa.String(), nullable=False),
+    sa.Column('admin', sa.Boolean(), nullable=False),
+    sa.ForeignKeyConstraint(['minecraft_user_id'], ['minecraftuser.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('internal_username'),
+    sa.UniqueConstraint('minecraft_user_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('user')
+    op.drop_table('logentry')
+    op.drop_table('minecraftuser')
+    op.drop_table('logtype')
+    # ### end Alembic commands ###

loon/mqtt/handlers/change_password_request.py

@@ -1,41 +1,53 @@
 import json
 
 from sqlalchemy.exc import IntegrityError
-from sqlmodel import Session, select
+from sqlalchemy import select
+from sqlalchemy.orm import Session
 
 from loon.web.db import engine
-from loon.web.users.models import User
-from loon.web.utils.password import hash_password
+from loon.web.logs.service import write_log, player_tag
+from loon.web.logs.types import LogTypeEnum
+from loon.web.users.models import MinecraftUser, User
 
 
 async def change_password_handler(client, userdata, msg, data):
-    if msg.topic != "loon/register/change_password":
+    prefix = "loon/auth/register/"
+
+    if not msg.topic.startswith(prefix):
+        return
+
+    rest = msg.topic[len(prefix):]
+    uuid, _, subtopic = rest.partition("/")
+
+    if not uuid or subtopic != "change_password":
         return
 
-    uuid = data["uuid"]
     password = data["password"]
 
     with Session(engine) as session:
-        statement = select(User).where(User.uuid == uuid)
-        user = session.exec(statement).first()
+        statement = select(User).join(MinecraftUser).where(MinecraftUser.uuid == uuid)
+        user = session.execute(statement).scalars().first()
 
         if user is None:
-            client.publish(f"loon/register/{uuid}/response",
+            client.publish(f"loon/auth/change_password/{uuid}/response",
                            json.dumps({"success": False, "error": "The user is not registered!"}))
             return
 
-        user = session.exec(
-            select(User).where(User.uuid == uuid)
-        ).first()
-        user.password = hash_password(password)
+        user = session.execute(
+            select(User).join(MinecraftUser).where(MinecraftUser.uuid == uuid)
+        ).scalars().first()
+        user.password = password
+        internal_username = user.internal_username
 
         try:
             session.commit()
         except IntegrityError:
             session.rollback()
-            client.publish(f"loon/register/{uuid}/response",
+            client.publish(f"loon/auth/change_password/{uuid}/response",
                            json.dumps({"success": False, "error": "The user is not registered!"}))
 
             return
 
-    client.publish(f"loon/register/{uuid}/response", json.dumps({"success": True, "error": None}))
+    await write_log(LogTypeEnum.PLAYER_PASSWORD_CHANGED, f"Player {player_tag(uuid, internal_username)} changed their password.")
+
+    client.publish(f"loon/auth/change_password/{uuid}/response", json.dumps({"success": True, "error": None}))

loon/mqtt/handlers/marquee.py

@@ -1,10 +1,14 @@
 import json
 import random
 
+from loon.web.logs.service import write_log, player_tag
+from loon.web.logs.types import LogTypeEnum
 from loon.web.users.state import user_threads
 
 PLAYER_EVENT_SUFFIXES = ("died", "joined", "left", "kicked")
 
+BAN_KICK_REASON = "Banned by admin"
+
 DEATH_BY_DAMAGE = {
     "fall": (
         "{username} fell from a high place",
@@ -78,7 +82,8 @@ async def marquee_handler(client, userdata, msg, data):
     if not isinstance(player, dict):
         return
     username = player.get("username")
-    if not username:
+    uuid = player.get("uuid")
+    if not username or not uuid:
         return
 
     if subtopic == "died":
@@ -88,20 +93,43 @@ async def marquee_handler(client, userdata, msg, data):
         if killer:
             templates = DEATH_BY_KILLER.get(damage_type, DEATH_BY_KILLER_DEFAULT)
             message = get_random(templates, username=username, killer=killer)
+
+            await write_log(LogTypeEnum.PLAYER_DEAD, f"Player {player_tag(uuid, username)} was killed by {killer}.")
         elif damage_type in DEATH_BY_DAMAGE:
             message = get_random(DEATH_BY_DAMAGE[damage_type], username=username)
+
+            await write_log(LogTypeEnum.PLAYER_DEAD, f"Player {player_tag(uuid, username)} died of {damage_type}.")
         elif damage_type:
             message = f"{username} died of {damage_type}"
+
+            await write_log(LogTypeEnum.PLAYER_DEAD, f"Player {player_tag(uuid, username)} died of {damage_type}.")
         else:
             message = f"{username} died"
+
+            await write_log(LogTypeEnum.PLAYER_DEAD, f"Player {player_tag(uuid, username)} died.")
     elif subtopic == "joined":
         message = f"{username} joined the game"
+
+        await write_log(LogTypeEnum.PLAYER_JOINED, f"Player {player_tag(uuid, username)} joined the game.")
     elif subtopic == "kicked":
         reason = data.get("reason")
-        message = f"{username} was kicked: {reason}" if reason else f"{username} was kicked"
+
+        if reason == BAN_KICK_REASON:
+            message = f"{username} was banned"
+
+            await write_log(LogTypeEnum.PLAYER_BANNED, f"Player {player_tag(uuid, username)} was banned.")
+        else:
+            message = f"{username} was kicked: {reason}" if reason else f"{username} was kicked"
+
+            await write_log(
+                LogTypeEnum.PLAYER_KICKED,
+                f"Player {player_tag(uuid, username)} was kicked: {reason}." if reason else f"Player {player_tag(uuid, username)} was kicked.",
+            )
     else:
         message = f"{username} left the game"
 
+        await write_log(LogTypeEnum.PLAYER_LEFT, f"Player {player_tag(uuid, username)} left the game.")
+
     envelope = json.dumps({"topic": "server/marquee", "payload": {"message": message}})
 
     for queue in list(user_threads.values()):

loon/mqtt/handlers/player_joined.py

@@ -0,0 +1,12 @@
+from loon.web.users.service import sync_minecraft_users
+
+
+async def player_joined_handler(client, userdata, msg, data):
+    if msg.topic != "loon/playerlist/joined":
+        return
+
+    player = data.get("player")
+    if not player:
+        return
+
+    await sync_minecraft_users([{"uuid": player["uuid"], "username": player["username"]}])

loon/mqtt/handlers/players_sync.py

@@ -0,0 +1,8 @@
+from loon.web.users.service import sync_minecraft_users
+
+
+async def players_sync_handler(client, userdata, msg, data):
+    if msg.topic != "loon/playerlist/sync":
+        return
+
+    await sync_minecraft_users(data.get("players", []))

loon/mqtt/handlers/register_request.py

@@ -1,47 +1,65 @@
 import json
 
 from sqlalchemy.exc import IntegrityError
-from sqlmodel import Session, select
+from sqlalchemy import select
+from sqlalchemy.orm import Session
 
 from loon.web.db import engine
-from loon.web.users.models import User
-from loon.web.utils.password import hash_password
+from loon.web.logs.service import write_log, player_tag
+from loon.web.logs.types import LogTypeEnum
+from loon.web.users.models import MinecraftUser, User
 
 
 async def register_request_handler(client, userdata, msg, data):
-    if msg.topic != "loon/register/request":
+    prefix = "loon/auth/register/"
+
+    if not msg.topic.startswith(prefix):
+        return
+
+    rest = msg.topic[len(prefix):]
+    uuid, _, subtopic = rest.partition("/")
+
+    if not uuid or subtopic != "request":
         return
 
-    uuid = data["uuid"]
     password = data["password"]
     internal_username = data["internalUsername"]
 
     with Session(engine) as session:
-        statement = select(User).where(User.uuid == uuid)
-        user = session.exec(statement).first()
+        minecraft_user = session.execute(select(MinecraftUser).where(MinecraftUser.uuid == uuid)).scalars().first()
+
+        if minecraft_user is None:
+            client.publish(f"loon/auth/register/{uuid}/response",
+                           json.dumps({"success": False, "error": "Player not recognized yet, please rejoin the server and try again."}))
+            return
+
+        statement = select(User).where(User.minecraft_user_id == minecraft_user.id)
+        user = session.execute(statement).scalars().first()
 
         if user is not None:
-            client.publish(f"loon/register/{uuid}/response",
+            client.publish(f"loon/auth/register/{uuid}/response",
                            json.dumps({"success": False, "error": "The user is already registered!"}))
             return
 
         statement = select(User).where(User.internal_username == internal_username)
-        user = session.exec(statement).first()
+        user = session.execute(statement).scalars().first()
 
         if user is not None:
-            client.publish(f"loon/register/{uuid}/response",
+            client.publish(f"loon/auth/register/{uuid}/response",
                            json.dumps({"success": False, "error": f"The {internal_username} is taken!"}))
             return
 
-        user = User(uuid=uuid, password=hash_password(password), internal_username=internal_username, admin=False)
+        user = User(minecraft_user_id=minecraft_user.id, password=password, internal_username=internal_username, admin=False)
         session.add(user)
         try:
             session.commit()
         except IntegrityError:
             session.rollback()
-            client.publish(f"loon/register/{uuid}/response",
+            client.publish(f"loon/auth/register/{uuid}/response",
                            json.dumps({"success": False, "error": "The user is already registered!"}))
 
             return
 
-    client.publish(f"loon/register/{uuid}/response", json.dumps({"success": True, "error": None}))
+    await write_log(LogTypeEnum.PLAYER_REGISTERED, f"Player {player_tag(uuid, internal_username)} registered.")
+
+    client.publish(f"loon/auth/register/{uuid}/response", json.dumps({"success": True, "error": None}))

loon/mqtt/handlers/show_username_request.py

@@ -0,0 +1,35 @@
+import json
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from loon.web.db import engine
+from loon.web.users.models import MinecraftUser, User
+
+
+async def show_username_handler(client, userdata, msg, data):
+    prefix = "loon/auth/show_username/"
+
+    if not msg.topic.startswith(prefix):
+        return
+
+    rest = msg.topic[len(prefix):]
+    uuid, _, subtopic = rest.partition("/")
+
+    if not uuid or subtopic:
+        return
+
+    with Session(engine) as session:
+        user = session.execute(
+            select(User).join(MinecraftUser).where(MinecraftUser.uuid == uuid)
+        ).scalars().first()
+
+        if user is None:
+            client.publish(f"loon/auth/show_username/{uuid}/response",
+                           json.dumps({"success": False, "error": "The user is not registered!"}))
+            return
+
+        internal_username = user.internal_username
+
+    client.publish(f"loon/auth/show_username/{uuid}/response",
+                   json.dumps({"success": True, "error": None, "internalUsername": internal_username}))

loon/mqtt/handlers/world.py

@@ -22,7 +22,7 @@ async def world_handler(client, userdata, msg, data):
 
     if settings.redis.enabled:
         try:
-            set_chunk_cache(x, z, data)
+            await set_chunk_cache(x, z, data)
         except redis.RedisError:
             pass
 

loon/mqtt/manager.py

@@ -9,13 +9,16 @@ from loon import logger
 from loon.mqtt.handlers.change_password_request import change_password_handler
 from loon.mqtt.handlers.marquee import marquee_handler
 from loon.mqtt.handlers.player import player_handler
+from loon.mqtt.handlers.player_joined import player_joined_handler
+from loon.mqtt.handlers.players_sync import players_sync_handler
 from loon.mqtt.handlers.register_request import register_request_handler
 from loon.mqtt.handlers.server import server_handler
+from loon.mqtt.handlers.show_username_request import show_username_handler
 from loon.mqtt.handlers.world import world_handler
 
 
 class MQTTManager:
-    BASE_HANDLERS = [player_handler, register_request_handler, world_handler, server_handler, marquee_handler, change_password_handler]
+    BASE_HANDLERS = [player_handler, register_request_handler, world_handler, server_handler, marquee_handler, change_password_handler, show_username_handler, players_sync_handler, player_joined_handler]
 
     def __init__(self, inject_handlers = None):
         if inject_handlers is None:
@@ -52,6 +55,8 @@ class MQTTManager:
         logger.info(f"MQTT connected (rc={reason_code})")
         client.subscribe("loon/#")
 
+        client.publish("loon/playerlist/sync/request")
+
     @staticmethod
     def on_disconnect(client, userdata, reason_code):
         logger.warning(f"MQTT disconnected (rc={reason_code}). Reconnecting...")
@@ -59,7 +64,8 @@ class MQTTManager:
     def on_topic(self, client, userdata, msg):
         async def handle_message():
             try:
-                data = json.loads(msg.payload.decode())
+                raw = msg.payload.decode()
+                data = json.loads(raw) if raw.strip() else {}
             except json.decoder.JSONDecodeError:
                 return
 

loon/redis/__init__.py

@@ -1,4 +1,4 @@
-import redis
+import redis.asyncio as redis
 from redis.backoff import ExponentialBackoff
 from redis.exceptions import ConnectionError, TimeoutError
 from redis.retry import Retry

loon/redis/chunk.py

@@ -4,16 +4,23 @@ from config import settings
 from loon.redis import r
 
 
-def set_chunk_cache(x: int, z: int, chunk_payload):
-    r.setex(f'{x}:{z}', settings.redis.expire_time, str(json.dumps(chunk_payload)))
+async def set_chunk_cache(x: int, z: int, chunk_payload):
+    await r.setex(f'{x}:{z}', settings.redis.expire_time, str(json.dumps(chunk_payload)))
 
-def get_chunk_cache(x: int, z: int):
-    chunk = r.get(f'{x}:{z}')
+async def get_chunk_cache(x: int, z: int):
+    chunk = await r.get(f'{x}:{z}')
 
     if chunk:
         return json.loads(chunk)
 
     return None
 
-def reset_chunk_cache(x: int, z: int):
-    return r.delete(f'{x}:{z}')
+async def get_chunks_cache(coords):
+    if not coords:
+        return {}
+
+    vals = await r.mget([f'{x}:{z}' for x, z in coords])
+    return {c: json.loads(v) for c, v in zip(coords, vals) if v}
+
+async def reset_chunk_cache(x: int, z: int):
+    return await r.delete(f'{x}:{z}')

loon/web/__init__.py

@@ -19,8 +19,15 @@ async def lifespan(app: FastAPI):
 limiter = Limiter(key_func=lambda request: request.client.host)
 
 docs_url = "/docs" if settings.web.show_docs else None
+redoc_url = "/redoc" if settings.web.show_docs else None
+openapi_url = "/openapi.json" if settings.web.show_docs else None
 
-app = FastAPI(lifespan=lifespan, docs_url=docs_url)
+app = FastAPI(
+    lifespan=lifespan,
+    docs_url=docs_url,
+    redoc_url=redoc_url,
+    openapi_url=openapi_url,
+)
 
 app.state.limiter = limiter
 app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)

loon/web/admin/cli.py

@@ -1,4 +1,5 @@
-from sqlmodel import Session, select
+from sqlalchemy import select
+from sqlalchemy.orm import Session
 
 from loon.web.db import engine
 from loon.web.users.models import User
@@ -6,9 +7,9 @@ from loon.web.users.models import User
 
 def choose_admin(username: str) -> None:
     with Session(engine) as session:
-        user = session.exec(
+        user = session.execute(
             select(User).where(User.internal_username == username)
-        ).first()
+        ).scalars().first()
 
         if user is None:
             print(f"No user named {username!r}.")

loon/web/admin/router.py

@@ -1,7 +1,85 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, HTTPException
+from sqlalchemy.orm import selectinload, Session
+from sqlalchemy import select
 from starlette.requests import Request
 
 from loon.web.auth.middleware import admin
+from loon.web.db import engine
+from loon.web.logs.models import LogEntry
+from loon.web.logs.schema import LogEntryResponse
+from loon.web.users.models import MinecraftUser, User
+from loon.web.users.schema import MinecraftUserPublic, UserPublic
 
 router = APIRouter(prefix="/admin", tags=["admin"])
 
+
+@router.get("/logs", response_model=list[LogEntryResponse])
+@admin
+async def list_logs(request: Request):
+    with Session(engine) as session:
+        statement = (
+            select(LogEntry)
+            .options(selectinload(LogEntry.log_type))
+            .order_by(LogEntry.created_at)
+        )
+        entries = session.execute(statement).scalars().all()
+        return [
+            LogEntryResponse(
+                id=entry.id,
+                log_type=entry.log_type.code,
+                created_at=entry.created_at,
+                message=entry.message,
+            )
+            for entry in entries
+        ]
+
+
+@router.get("/mc-users", response_model=list[MinecraftUserPublic])
+@admin
+async def list_mc_users(request: Request):
+    with Session(engine) as session:
+        statement = select(MinecraftUser).order_by(MinecraftUser.username)
+        return session.execute(statement).scalars().all()
+
+
+@router.get("/users", response_model=list[UserPublic])
+@admin
+async def list_users(request: Request):
+    with Session(engine) as session:
+        statement = (
+            select(User)
+            .options(selectinload(User.minecraft_user))
+            .order_by(User.internal_username)
+        )
+        return session.execute(statement).scalars().all()
+
+
+@router.get("/users/{internal_username}", response_model=UserPublic)
+@admin
+async def get_user(request: Request, internal_username: str):
+    with Session(engine) as session:
+        statement = (
+            select(User)
+            .where(User.internal_username == internal_username)
+            .options(selectinload(User.minecraft_user))
+        )
+        user = session.execute(statement).scalars().first()
+        if user is None:
+            raise HTTPException(status_code=404)
+        return user
+
+
+@router.get("/users/by-uuid/{uuid}", response_model=UserPublic)
+@admin
+async def get_user_by_uuid(request: Request, uuid: str):
+    with Session(engine) as session:
+        statement = (
+            select(User)
+            .join(MinecraftUser)
+            .where(MinecraftUser.uuid == uuid)
+            .options(selectinload(User.minecraft_user))
+        )
+        user = session.execute(statement).scalars().first()
+        if user is None:
+            raise HTTPException(status_code=404)
+        return user

loon/web/auth/middleware.py

@@ -8,7 +8,8 @@ from starlette.authentication import (
 )
 from starlette.requests import HTTPConnection
 from starlette.responses import JSONResponse, Response
-from sqlmodel import Session, select
+from sqlalchemy.orm import selectinload, Session
+from sqlalchemy import select
 
 from loon.web.db import engine
 from loon.web.users.models import User
@@ -34,9 +35,9 @@ class JWTAuthBackend(AuthenticationBackend):
             if scheme.lower() == "bearer" and credentials:
                 return credentials
 
-        # Browser WebSocket APIs cannot set Authorization headers.
-        token = conn.query_params.get("token")
-        return token or None
+        if conn.scope["type"] == "websocket":
+            return conn.query_params.get("token") or None
+        return None
 
     async def authenticate(
         self, conn: HTTPConnection
@@ -54,8 +55,17 @@ class JWTAuthBackend(AuthenticationBackend):
         if not isinstance(user_id, int):
             raise AuthenticationError("Invalid or expired token")
 
+        typ = payload.get("typ")
+        if conn.scope["type"] == "websocket":
+            if typ != "ws":
+                raise AuthenticationError("Invalid or expired token")
+        elif typ != "web":
+            raise AuthenticationError("Invalid or expired token")
+
         with Session(engine) as session:
-            user = session.exec(select(User).where(User.id == user_id)).first()
+            user = session.execute(
+                select(User).where(User.id == user_id).options(selectinload(User.minecraft_user))
+            ).scalars().first()
 
         if user is None:
             raise AuthenticationError("User not found")

loon/web/auth/router.py

@@ -1,11 +1,13 @@
 from fastapi import APIRouter, HTTPException, Request, status
-from sqlmodel import Session, select
+from sqlalchemy import select
+from sqlalchemy.orm import Session
 
 from loon.web import limiter
+from loon.web.auth.middleware import authenticated
 from loon.web.auth.schema import JWTResponse, JWTRequest
 from loon.web.db import engine
 from loon.web.users.models import User
-from loon.web.utils.jwt import generate_token
+from loon.web.utils.jwt import generate_token, generate_ws_token
 from loon.web.utils.password import verify_password
 
 router = APIRouter(prefix="/auth", tags=["auth"])
@@ -16,13 +18,24 @@ router = APIRouter(prefix="/auth", tags=["auth"])
 async def get_jwt(request: Request, body: JWTRequest) -> JWTResponse:
     with Session(engine) as session:
         statement = select(User).where(User.internal_username == body.username)
-        user = session.exec(statement).first()
+        user = session.execute(statement).scalars().first()
 
-        if user is None or not verify_password(body.password, user.password):
+        if user is None or user.id is None or not verify_password(body.password, user.password):
             raise HTTPException(
                 status_code=status.HTTP_401_UNAUTHORIZED,
                 detail="Invalid username or password",
             )
 
-        assert user.id is not None
         return JWTResponse(access_token=generate_token(user.id))
+
+
+@router.post("/ws-token", response_model=JWTResponse)
+@authenticated
+async def get_ws_token(request: Request) -> JWTResponse:
+    user_id = request.user.user.id
+    if user_id is None:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid or expired token",
+        )
+    return JWTResponse(access_token=generate_ws_token(user_id))

loon/web/auth/schema.py

@@ -1,9 +1,9 @@
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 
 class JWTRequest(BaseModel):
     username: str
-    password: str
+    password: str = Field(max_length=256)
 
 
 class JWTResponse(BaseModel):

loon/web/db/__init__.py

@@ -1,8 +1,13 @@
-from sqlmodel import SQLModel, create_engine
+from sqlalchemy import create_engine
+from sqlalchemy.orm import DeclarativeBase
 
 from config import settings
 
 
+class Base(DeclarativeBase):
+    pass
+
+
 def database_url(url: str | None = None) -> str:
     url = url or settings.database.url
     for src, dst in (

loon/web/logs/models.py

@@ -0,0 +1,24 @@
+from datetime import datetime, timezone
+
+from sqlalchemy import DateTime, ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from loon.web.db import Base
+
+
+class LogType(Base):
+    __tablename__ = "logtype"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    code: Mapped[str] = mapped_column(unique=True)
+    entries: Mapped[list["LogEntry"]] = relationship(back_populates="log_type")
+
+
+class LogEntry(Base):
+    __tablename__ = "logentry"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    log_type_id: Mapped[int] = mapped_column(ForeignKey("logtype.id"))
+    log_type: Mapped[LogType] = relationship(back_populates="entries")
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
+    message: Mapped[str]

loon/web/logs/schema.py

@@ -0,0 +1,10 @@
+from datetime import datetime
+
+from pydantic import BaseModel
+
+
+class LogEntryResponse(BaseModel):
+    id: int
+    log_type: str
+    created_at: datetime
+    message: str

loon/web/logs/service.py

@@ -0,0 +1,32 @@
+import asyncio
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from loon.web.db import engine
+from loon.web.logs.models import LogType, LogEntry
+from loon.web.logs.types import LogTypeEnum
+
+
+def player_tag(uuid: str, username: str) -> str:
+    return f"[player:{uuid}]{username}[/player]"
+
+
+def _write_log(log_type: LogTypeEnum, message: str) -> None:
+    with Session(engine) as session:
+        statement = select(LogType).where(LogType.code == log_type.value)
+        log_type_object = session.execute(statement).scalars().first()
+
+        if not log_type_object:
+            log_type_object = LogType(code=log_type.value)
+            session.add(log_type_object)
+            session.commit()
+            session.refresh(log_type_object)
+
+        log_entry = LogEntry(log_type_id=log_type_object.id, message=message)
+        session.add(log_entry)
+        session.commit()
+
+
+async def write_log(log_type: LogTypeEnum, message: str) -> None:
+    await asyncio.to_thread(_write_log, log_type, message)

loon/web/logs/types.py

@@ -0,0 +1,11 @@
+from enum import Enum
+
+
+class LogTypeEnum(Enum):
+    PLAYER_DEAD = "player_dead"
+    PLAYER_JOINED = "player_joined"
+    PLAYER_LEFT = "player_left"
+    PLAYER_KICKED = "player_kicked"
+    PLAYER_BANNED = "player_banned"
+    PLAYER_REGISTERED = "player_registered"
+    PLAYER_PASSWORD_CHANGED = "player_password_changed"

loon/web/users/models.py

@@ -1,9 +1,30 @@
-from sqlmodel import SQLModel, Field
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from loon.web.db import Base
 
 
-class User(SQLModel, table=True):
-    id: int = Field(default=None, primary_key=True)
-    uuid: str = Field(unique=True)
-    internal_username: str = Field(unique=True)
-    password: str
-    admin: bool = Field(default=False)
+class MinecraftUser(Base):
+    __tablename__ = "minecraftuser"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    uuid: Mapped[str] = mapped_column(unique=True)
+    username: Mapped[str]
+    user: Mapped["User"] = relationship(back_populates="minecraft_user")
+
+
+class User(Base):
+    __tablename__ = "user"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+
+    minecraft_user_id: Mapped[int] = mapped_column(ForeignKey("minecraftuser.id"), unique=True)
+    minecraft_user: Mapped[MinecraftUser] = relationship(back_populates="user")
+
+    internal_username: Mapped[str] = mapped_column(unique=True)
+    password: Mapped[str]
+    admin: Mapped[bool] = mapped_column(default=False)
+
+    @property
+    def uuid(self) -> str:
+        return self.minecraft_user.uuid

loon/web/users/router.py

@@ -1,20 +1,19 @@
-import asyncio
-import threading
-
 from fastapi import APIRouter, Request
 from starlette.websockets import WebSocket, WebSocketDisconnect
 
 from loon.web import get_mqtt_manager
 from loon.web.auth.middleware import authenticated
-from loon.web.users.state import user_threads, user_world_requests
+from loon.web.users.models import User
+from loon.web.users.schema import UserPublic
+from loon.web.users.state import subscribe_player, get_user_messages, unsubscribe_player
 
 router = APIRouter(prefix="/users", tags=["users"])
 
 
-@router.get("/me")
+@router.get("/me", response_model=UserPublic)
 @authenticated
-async def me(request: Request):
-    return request.user.user.model_dump(exclude={"password", "id"})
+async def me(request: Request) -> User:
+    return request.user.user
 
 @router.post("/inventory/request")
 @authenticated
@@ -47,16 +46,12 @@ async def websocket_endpoint(websocket: WebSocket):
     await websocket.accept()
     user = websocket.user.user
 
-    queue = asyncio.Queue()
-    user_threads[user.uuid] = queue
-    user_world_requests[user.uuid] = set()
+    subscribe_player(user)
 
     try:
-        while True:
-            message = await queue.get()
+        async for message in get_user_messages(user):
             await websocket.send_text(message)
     except WebSocketDisconnect:
         pass
     finally:
-        user_threads.pop(user.uuid, None)
-        user_world_requests.pop(user.uuid, None)
+        unsubscribe_player(user)

loon/web/users/schema.py

@@ -0,0 +1,16 @@
+from pydantic import BaseModel, ConfigDict
+
+
+class MinecraftUserPublic(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    uuid: str
+    username: str
+
+
+class UserPublic(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    internal_username: str
+    admin: bool
+    minecraft_user: MinecraftUserPublic

loon/web/users/service.py

@@ -0,0 +1,44 @@
+import asyncio
+
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from loon.web.db import engine
+from loon.web.users.models import MinecraftUser
+
+
+def _sync_minecraft_users(players: list[dict]) -> list[MinecraftUser]:
+    players_by_uuid = {player["uuid"]: player["username"] for player in players}
+
+    with Session(engine) as session:
+        existing = session.execute(
+            select(MinecraftUser).where(MinecraftUser.uuid.in_(players_by_uuid))
+        ).scalars().all()
+        existing_by_uuid = {minecraft_user.uuid: minecraft_user for minecraft_user in existing}
+
+        new_users = []
+        for uuid, username in players_by_uuid.items():
+            minecraft_user = existing_by_uuid.get(uuid)
+
+            if minecraft_user is None:
+                minecraft_user = MinecraftUser(uuid=uuid, username=username)
+                new_users.append(minecraft_user)
+                session.add(minecraft_user)
+            elif minecraft_user.username != username:
+                minecraft_user.username = username
+                session.add(minecraft_user)
+
+        session.commit()
+
+        minecraft_users = [*existing, *new_users]
+        for minecraft_user in minecraft_users:
+            session.refresh(minecraft_user)
+
+        return minecraft_users
+
+
+async def sync_minecraft_users(players: list[dict]) -> list[MinecraftUser]:
+    if not players:
+        return []
+
+    return await asyncio.to_thread(_sync_minecraft_users, players)

loon/web/users/state.py

@@ -1,2 +1,38 @@
+import asyncio
+
+from loon.web.users.models import User
+
 user_threads = {}
 user_world_requests = {}
+
+
+async def send_to_player(user: User, msg):
+    queue = user_threads.get(user.uuid)
+    if queue is not None:
+        await queue.put(msg)
+
+
+def get_player_thread(user: User):
+    return user_threads.get(user.uuid)
+
+
+async def get_user_messages(user: User):
+    queue = user_threads.get(user.uuid)
+    if queue is None:
+        return
+
+    while True:
+        yield await queue.get()
+
+
+def subscribe_player(user: User):
+    queue = asyncio.Queue()
+    user_threads[user.uuid] = queue
+    user_world_requests[user.uuid] = set()
+
+    return user_threads[user.uuid]
+
+
+def unsubscribe_player(user: User):
+    user_threads.pop(user.uuid, None)
+    user_world_requests.pop(user.uuid, None)

loon/web/utils/jwt.py

@@ -1,4 +1,5 @@
 import time
+from typing import Literal
 
 import jwt
 
@@ -8,13 +9,23 @@ JWT_SECRET = settings.jwt.secret
 JWT_ALGORITHM = "HS256"
 
 
-def generate_token(user_id: int) -> str:
+def _encode_jwt(user_id: int, ttl: int, typ: Literal["ws", "web"]) -> str:
     payload = {
         "user_id": user_id,
-        "exp": int(time.time()) + 60 * 60 * 24,
+        "exp": int(time.time()) + ttl,
+        "typ": typ,
     }
     return jwt.encode(payload, JWT_SECRET, algorithm=JWT_ALGORITHM)
 
+
+def generate_token(user_id: int) -> str:
+    return _encode_jwt(user_id, settings.jwt.access_ttl, "web")
+
+
+def generate_ws_token(user_id: int) -> str:
+    return _encode_jwt(user_id, settings.jwt.ws_ttl, "ws")
+
+
 def decode_token(token: str) -> dict:
-    payload = jwt.decode(token, JWT_SECRET)
-    return payload
+    payload = jwt.decode(token, JWT_SECRET, algorithms=[JWT_ALGORITHM])
+    return payload

loon/web/utils/password.py

@@ -2,14 +2,6 @@ from argon2 import PasswordHasher
 from argon2.exceptions import InvalidHashError, VerifyMismatchError
 
 
-def hash_password(password: str) -> str:
-    ph = PasswordHasher()
-
-    hashed = ph.hash(password)
-
-    return str(hashed)
-
-
 def verify_password(password: str, hashed_password: str) -> bool:
     ph = PasswordHasher()
 

loon/web/world/router.py

@@ -5,7 +5,7 @@ from fastapi import APIRouter, Request, HTTPException
 from starlette import status
 
 from config import settings
-from loon.redis.chunk import get_chunk_cache, reset_chunk_cache
+from loon.redis.chunk import get_chunks_cache, reset_chunk_cache
 from loon.web import get_mqtt_manager
 from loon.web.auth.middleware import authenticated
 from loon.web.users.state import user_threads, user_world_requests
@@ -45,29 +45,35 @@ async def request_world(
     misses = []
     thread = user_threads.get(uuid)
 
-    try:
-        for x in range(x_start, x_end + 1):
-            for z in range(z_start, z_end + 1):
-                cached_chunk = get_chunk_cache(x, z)
+    all_coords = [
+        (x, z)
+        for x in range(x_start, x_end + 1)
+        for z in range(z_start, z_end + 1)
+    ]
 
-                if cached_chunk is not None:
-                    if thread:
-                        await thread.put(
-                            json.dumps({"topic": f"world/chunk/{x}/{z}", "payload": cached_chunk})
-                        )
-                else:
-                    if wanted is not None:
-                        wanted.add((x, z))
-                    misses.append((x, z))
-    except redis.RedisError:
+    try:
+        hits = await get_chunks_cache(all_coords)
+    except redis.exceptions.RedisError:
         if wanted is not None:
-            for x in range(x_start, x_end + 1):
-                for z in range(z_start, z_end + 1):
-                    wanted.add((x, z))
+            wanted.update(all_coords)
 
         get_mqtt_manager().publish(f"loon/world/chunks/{x_start}:{x_end}/{z_start}:{z_end}/request")
         return 200
 
+    for coord in all_coords:
+        cached_chunk = hits.get(coord)
+
+        if cached_chunk is not None:
+            if thread:
+                x, z = coord
+                await thread.put(
+                    json.dumps({"topic": f"world/chunk/{x}/{z}", "payload": cached_chunk})
+                )
+        else:
+            if wanted is not None:
+                wanted.add(coord)
+            misses.append(coord)
+
     for xa, xb, za, zb in miss_row_rects(misses):
         get_mqtt_manager().publish(f"loon/world/chunks/{xa}:{xb}/{za}:{zb}/request")
 

pyproject.toml

@@ -55,7 +55,6 @@ dependencies = [
     "shellingham==1.5.4",
     "slowapi>=0.1.10",
     "sqlalchemy==2.0.51",
-    "sqlmodel==0.0.39",
     "starlette==1.3.1",
     "typer==0.27.0",
     "typing-extensions==4.16.0",

settings.toml

@@ -23,4 +23,6 @@ password = 'pwd'
 log_data = false
 
 [jwt]
-secret = 'secret'
+secret = 'secret'
+access_ttl = 86400 # 24h
+ws_ttl = 45

uv.lock

@@ -516,7 +516,6 @@ dependencies = [
     { name = "shellingham" },
     { name = "slowapi" },
     { name = "sqlalchemy" },
-    { name = "sqlmodel" },
     { name = "starlette" },
     { name = "typer" },
     { name = "typing-extensions" },
@@ -580,7 +579,6 @@ requires-dist = [
     { name = "shellingham", specifier = "==1.5.4" },
     { name = "slowapi", specifier = ">=0.1.10" },
     { name = "sqlalchemy", specifier = "==2.0.51" },
-    { name = "sqlmodel", specifier = "==0.0.39" },
     { name = "starlette", specifier = "==1.3.1" },
     { name = "typer", specifier = "==0.27.0" },
     { name = "typing-extensions", specifier = "==4.16.0" },
@@ -1022,20 +1020,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e2/22/dbf013a12ec759e54a34a119e9e217435b3f71b2dd5c61a7ade0a25dae87/sqlalchemy-2.0.51-py3-none-any.whl", hash = "sha256:bb024d8b621d0be75f4f44ecc7c950450026e76d66dc8f791bb5331d7fed59d5", size = 1944334, upload-time = "2026-06-15T16:09:22.418Z" },
 ]
 
-[[package]]
-name = "sqlmodel"
-version = "0.0.39"
-source = { registry = "https://pypi.org/simple" }
-dependencies = [
-    { name = "pydantic" },
-    { name = "sqlalchemy" },
-    { name = "typing-extensions" },
-]
-sdist = { url = "https://files.pythonhosted.org/packages/68/ee/22a0559283c3cf6048678e787ed5d4959dcd00dedd8ba4567eeae684eeb1/sqlmodel-0.0.39.tar.gz", hash = "sha256:23d8e50a8d8ee936032ed79c55023a5d618dd6bc3c510bbf4909d1a7a605a570", size = 91057, upload-time = "2026-06-25T13:01:38.475Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/cf/7d/b9813a582d4eb310be35e1fc7dfaae71207d7b62e9e53be314ebd251b53b/sqlmodel-0.0.39-py3-none-any.whl", hash = "sha256:90ebe92ce5cc11d7fff8dc7cb594790a102333c8fe7c14865254f6fc5c939795", size = 29680, upload-time = "2026-06-25T13:01:37.494Z" },
-]
-
 [[package]]
 name = "starlette"
 version = "1.3.1"