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14 lines
547 B
Python
14 lines
547 B
Python
from django.http import HttpRequest, HttpResponse, HttpResponseForbidden
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from django.shortcuts import redirect
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from zerver.lib.camo import is_camo_url_valid
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from zerver.lib.thumbnail import generate_thumbnail_url
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def handle_camo_url(request: HttpRequest, digest: str, received_url: str) -> HttpResponse:
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original_url = bytes.fromhex(received_url).decode()
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if is_camo_url_valid(digest, original_url):
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return redirect(generate_thumbnail_url(original_url))
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else:
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return HttpResponseForbidden("<p>Not a valid URL.</p>")
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