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Use pre-signed URLs for media storage when using S3 #9

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merged 5 commits into from
Feb 9, 2022
Merged

Use pre-signed URLs for media storage when using S3 #9

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45a2895
Monkeypatch Paperclip S3 to always generate signed urls
jesseplusplus Feb 9, 2022
4bc4c62
Rewrite signed urls to local alias
jesseplusplus Feb 9, 2022
ea0029d
Add a missing +
jesseplusplus Feb 9, 2022
bfb746e
Handle nil urls
jesseplusplus Feb 9, 2022
d02a3fa
Use correct ENV variable for s3 alias host
jesseplusplus Feb 9, 2022
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23 changes: 22 additions & 1 deletion lib/paperclip/storage_extensions.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,27 @@ def copy_to_local_file(style, local_dest_path)
end
end
end

Paperclip::Storage::S3.prepend(Paperclip::Storage::S3Extensions)
end

module Paperclip
module Storage
module S3SignedExtensions
def url(style_name = default_style)
time = 3600
if path(style_name)
base_options = { expires_in: time }
s3_url = ENV['S3_BUCKET'] + '.s3.' + ENV['S3_REGION'] + '.amazonaws.com'
s3_object(style_name).presigned_url(
:get,
base_options.merge(s3_url_options)
).to_s&.gsub(s3_url, ENV['S3_ALIAS_HOST'])
else
super
end
end
end
end
end

Paperclip::Storage::S3.prepend(Paperclip::Storage::S3SignedExtensions)