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40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
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import re
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from pathlib import Path
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SESSION_ID_PATTERN = re.compile(r"^[A-Za-z0-9._-]{1,128}$")
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class SessionIdError(ValueError):
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pass
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def validate_session_id(session_id: str) -> str:
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normalized = (session_id or "").strip()
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if not SESSION_ID_PATTERN.fullmatch(normalized):
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raise SessionIdError("Invalid X-Session-ID")
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return normalized
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def get_session_uploads_dir(session_id: str, workspace_root: Path) -> Path:
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root = workspace_root.expanduser().resolve()
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validated = validate_session_id(session_id)
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uploads_dir = (root / validated / "uploads").resolve()
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try:
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uploads_dir.relative_to(root)
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except ValueError as exc:
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raise SessionIdError("Invalid X-Session-ID") from exc
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return uploads_dir
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