迁移虎牙验证码核心逻辑

core/huya/verification/track.py

@@ -0,0 +1,45 @@
+"""虎牙滑块轨迹生成工具。"""
+
+from __future__ import annotations
+
+import random
+import time
+from collections.abc import Iterable
+
+
+def ease_out_expo(sep: float) -> float:
+    """缓出曲线，让轨迹更接近人工拖动。"""
+    if sep == 1:
+        return 1
+    return 1 - pow(2, -10 * sep)
+
+
+def generate_slide_track(distance: int) -> list[list[int]]:
+    """生成虎牙滑块验证所需 travel 轨迹。"""
+    if not isinstance(distance, int) or distance < 0:
+        raise ValueError(f"distance 必须是大于等于 0 的整数: {distance!r}")
+
+    distance = distance + random.randint(10, 40)
+    current_time = int(time.time() * 1000) - random.randint(1500, 2000)
+    slide_x = random.randint(56, 63)
+    slide_y = random.randint(210, 213)
+    track = [[slide_x, slide_y, current_time]]
+
+    count = random.randint(40, 60)
+    last_x = 0
+    for index in range(count):
+        x = round(ease_out_expo(index / count) * distance)
+        current_time += random.randint(10, 20)
+        if x == last_x:
+            continue
+        y = random.randint(-1, 1)
+        track.append([x + slide_x, y + slide_y, current_time])
+        last_x = x
+
+    track.append(track[-1])
+    return track
+
+
+def format_track(points: Iterable[Iterable[int]]) -> str:
+    """把轨迹点格式化成虎牙 actData.travel 字符串。"""
+    return ";".join(f"{x},{y},{t}" for x, y, t in points)