feat(detector): 新增封禁谱面表并检查可疑谱面

- 在数据库中添加了封禁谱面表（banned_beatmaps）
- 实现了检查可疑谱面的功能，将不符合规范的谱面添加到封禁列表
- 更新了相关的模型和迁移文件

app/calculator.py

@@ -1,7 +1,9 @@
 from __future__ import annotations
 
 import math
+import os
 from typing import TYPE_CHECKING
+import zipfile
 
 from app.config import settings
 from app.log import logger
@@ -9,6 +11,12 @@ from app.models.beatmap import BeatmapAttributes
 from app.models.mods import APIMod
 from app.models.score import GameMode
 
+import httpx
+from osupyparser import OsuFile
+from osupyparser.osu.objects import Slider
+from sqlmodel import Session, create_engine, select
+from sqlmodel.ext.asyncio.session import AsyncSession
+
 try:
     import rosu_pp_py as rosu
 except ImportError:
@@ -78,9 +86,21 @@ def calculate_pp(
     )
     attrs = perf.calculate(map)
     pp = attrs.pp
+    engine = create_engine(settings.database_url)
+    from app.database.beatmap import BannedBeatmaps
+
+    beatmap_banned = False
+    with Session(engine) as session:
+        beatmap_id = session.exec(
+            select(BannedBeatmaps).where(BannedBeatmaps.beatmap_id == score.beatmap_id)
+        ).first()
+        if beatmap_id:
+            beatmap_banned = True
     # mrekk bp1: 2048pp; ppy-sb top1 rxbp1: 2198pp
     if settings.suspicious_score_check and (
-        (attrs.difficulty.stars > 25 and score.accuracy < 0.8) or pp > 2300
+        beatmap_banned
+        or (attrs.difficulty.stars > 25 and score.accuracy < 0.8)
+        or pp > 2300
     ):
         logger.warning(
             f"User {score.user_id} played {score.beatmap_id} with {pp=} "
@@ -225,6 +245,24 @@ def calculate_score_to_level(total_score: int) -> float:
         99999999999,
         99999999999,
         99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
+        99999999999,
     ]
 
     remaining_score = total_score
@@ -251,3 +289,50 @@ def calculate_weighted_pp(pp: float, index: int) -> float:
 
 def calculate_weighted_acc(acc: float, index: int) -> float:
     return calculate_pp_weight(index) * acc if acc > 0 else 0.0
+
+
+async def get_suspscious_beatmap(beatmapset_id: int, session: AsyncSession):
+    url = (
+        f"https://txy1.sayobot.cn/beatmaps/download/novideo/{beatmapset_id}?server=auto"
+    )
+    async with httpx.AsyncClient() as client:
+        resp = await client.get(url)
+        if resp.status_code == 200:
+            import aiofiles
+
+            async with aiofiles.open(f"temp_beatmaps/{beatmapset_id}.osz", "wb") as f:
+                await f.write(resp.content)
+    with zipfile.ZipFile(f"temp_beatmaps/{beatmapset_id}.osz", "r") as beatmap_ref:
+        beatmap_ref.extractall(f"temp_beatmaps/{beatmapset_id}")
+    os.remove(f"temp_beatmaps/{beatmapset_id}.osz")
+    all_osu_files = []
+    for root, dirs, files in os.walk(f"temp_beatmaps/{beatmapset_id}"):
+        for name in files:
+            if name.endswith(".osu"):
+                all_osu_files.append(os.path.join(root, name))
+    for file in all_osu_files:
+        osufile = OsuFile(file).parse_file()
+        for obj in osufile.hit_objects:
+            if obj.pos.x < 0 or obj.pos.y < 0 or obj.pos.x > 512 or obj.pos.y > 384:
+                # 延迟导入以解决循环导入问题
+                from app.database.beatmap import BannedBeatmaps
+
+                session.add(
+                    BannedBeatmaps(id=osufile.beatmap_id, beatmap_id=osufile.beatmap_id)
+                )
+                break
+            if type(obj) is Slider:
+                for point in obj.points:
+                    if point.x < 0 or point.y < 0 or point.x > 512 or point.y > 384:
+                        # 延迟导入以解决循环导入问题
+                        from app.database.beatmap import BannedBeatmaps
+
+                        session.add(
+                            BannedBeatmaps(
+                                id=osufile.beatmap_id, beatmap_id=osufile.beatmap_id
+                            )
+                        )
+                        break
+        os.remove(file)
+    os.remove(f"temp_beatmaps/{beatmapset_id}")
+    return None