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25 lines
716 B
Ruby
25 lines
716 B
Ruby
class ActiveStorage::VariantsController < ActionController::Base
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def show
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if blob_key = decode_verified_blob_key
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redirect_to processed_variant_for(blob_key).url(disposition: disposition_param)
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else
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head :not_found
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end
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end
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private
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def decode_verified_blob_key
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ActiveStorage::VerifiedKeyWithExpiration.decode(params[:encoded_blob_key])
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end
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def processed_variant_for(blob_key)
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ActiveStorage::Variant.new(
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ActiveStorage::Blob.find_by!(key: blob_key),
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ActiveStorage::Variation.decode(params[:variation_key])
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).processed
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end
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def disposition_param
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params[:disposition].presence_in(%w( inline attachment )) || "inline"
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end
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end
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