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22 lines
674 B
Python
22 lines
674 B
Python
from django.core.files.storage import FileSystemStorage
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from django.core.signing import TimestampSigner
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class SignedURLMixin:
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"""
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Mixin for generating signed file URLs with compatible storage backends.
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Adds X-Signature query parameters to the normal URLs generated by the storage class.
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"""
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def url(self, name):
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path = super(SignedURLMixin, self).url(name)
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signer = TimestampSigner()
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signature = signer.sign(path)
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return "{}?X-Signature={}".format(path, signature)
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class SignedFileSystemStorage(SignedURLMixin, FileSystemStorage):
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"""
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Specialized filesystem storage that signs file URLs for clients.
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"""
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