43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
from __future__ import annotations
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from urllib.parse import quote
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def normalize_base_path(raw_value: str) -> str:
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# 空串表示应用直接挂在根路径。
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cleaned = str(raw_value or "").strip().strip("/")
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if not cleaned:
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return ""
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return f"/{cleaned}"
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def join_base_path(base_path: str, local_path: str) -> str:
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# 统一保证 local path 至少以 / 开头，避免拼接出脏 URL。
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normalized_local = local_path if str(local_path or "").startswith("/") else f"/{local_path}"
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return f"{normalize_base_path(base_path)}{normalized_local}" or "/"
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def strip_base_path(base_path: str, request_path: str) -> str | None:
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normalized_base = normalize_base_path(base_path)
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normalized_request = request_path if str(request_path or "").startswith("/") else f"/{request_path}"
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# 根路径应用直接返回原路径。
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if not normalized_base:
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return normalized_request
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# /yumi 本身视作根页面。
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if normalized_request == normalized_base:
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return "/"
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# 其余请求必须严格落在当前 base path 下。
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required_prefix = f"{normalized_base}/"
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if not normalized_request.startswith(required_prefix):
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return None
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return normalized_request[len(normalized_base) :] or "/"
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def login_redirect_target(request_target: str) -> str:
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# 未登录回跳保留原始路径和 query。
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return f"/login?next={quote(str(request_target or '/'), safe='')}"
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