34 lines
1023 B
Python
34 lines
1023 B
Python
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"""Validation helpers for remote absolute paths (SSH file operations)."""
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from __future__ import annotations
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from server.utils.posix_paths import (
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PosixPathError,
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normalize_remote_abs_path,
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normalize_remote_dest,
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remote_join,
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)
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# Backward-compatible alias used by API layers
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RemotePathError = PosixPathError
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__all__ = [
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"RemotePathError",
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"normalize_remote_abs_path",
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"normalize_remote_dest",
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"remote_join",
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"assert_clipboard_transfer_safe",
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]
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def assert_clipboard_transfer_safe(sources: list[str], dest_dir: str) -> tuple[list[str], str]:
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"""Return normalized sources and dest_dir; raise RemotePathError if unsafe."""
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dest = normalize_remote_abs_path(dest_dir)
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normalized: list[str] = []
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for raw in sources:
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src = normalize_remote_abs_path(raw)
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if dest == src or dest.startswith(src + "/"):
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raise RemotePathError(f"目标目录不能是源路径自身或其子目录: {src}")
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normalized.append(src)
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return normalized, dest
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