21 lines
662 B
Python
21 lines
662 B
Python
# Python imports
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from urllib.parse import urlparse
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def validate_next_path(next_path: str) -> str:
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"""Validates that next_path is a valid path and extracts only the path component."""
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parsed_url = urlparse(next_path)
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# Ensure next_path is not an absolute URL
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if parsed_url.scheme or parsed_url.netloc:
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next_path = parsed_url.path # Extract only the path component
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# Ensure it starts with a forward slash (indicating a valid relative path)
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if not next_path.startswith("/"):
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return ""
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# Ensure it does not contain dangerous path traversal sequences
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if ".." in next_path:
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return ""
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return next_path
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