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26 lines
738 B
Python
26 lines
738 B
Python
# See https://zulip.readthedocs.io/en/latest/subsystems/thumbnailing.html
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import os
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import sys
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from urllib.parse import urljoin
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from django.utils.http import url_has_allowed_host_and_scheme
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ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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sys.path.append(ZULIP_PATH)
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from zerver.lib.camo import get_camo_url
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def user_uploads_or_external(url: str) -> bool:
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return not url_has_allowed_host_and_scheme(url, allowed_hosts=None) or url.startswith(
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"/user_uploads/"
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)
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def generate_thumbnail_url(path: str, size: str = "0x0") -> str:
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path = urljoin("/", path)
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if url_has_allowed_host_and_scheme(path, allowed_hosts=None):
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return path
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return get_camo_url(path)
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