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22 lines
454 B
Python
22 lines
454 B
Python
"""Validations"""
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from typing import Optional
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from bookwyrm.settings import DOMAIN, USE_HTTPS
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def validate_url_domain(url: str) -> Optional[str]:
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"""Basic check that the URL starts with the instance domain name"""
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if not url:
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return None
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if url == "/":
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return url
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protocol = "https://" if USE_HTTPS else "http://"
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origin = f"{protocol}{DOMAIN}"
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if url.startswith(origin):
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return url
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return None
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