53 lines
1.4 KiB
Ruby
53 lines
1.4 KiB
Ruby
class S3BackupService < BackupService
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attr_reader :client, :bucket
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def initialize(client: nil, bucket: Danbooru.config.aws_s3_bucket_name)
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@credentials = Aws::Credentials.new(Danbooru.config.aws_access_key_id, Danbooru.config.aws_secret_access_key)
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@client = client || Aws::S3::Client.new(credentials: @credentials, region: "us-east-1", logger: Logger.new(STDOUT))
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@bucket = bucket
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end
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def backup(file_path, type: nil, **options)
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keys = s3_keys(file_path, type)
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keys.each do |key|
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upload_to_s3(key, file_path)
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end
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end
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def delete(file_path, type: nil)
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keys = s3_keys(file_path, type)
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keys.each do |key|
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delete_from_s3(key)
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end
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end
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protected
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def s3_keys(file_path, type)
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name = File.basename(file_path)
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case type
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when :original
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[name]
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when :preview
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["preview/#{name}", "cropped/small/#{name}", "cropped/large/#{name}"]
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when :large
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["sample/#{name}"]
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else
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raise ArgumentError.new("Unknown type: #{type}")
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end
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end
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def delete_from_s3(key)
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client.delete_object(bucket: bucket, key: key)
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rescue Aws::S3::Errors::NoSuchKey
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# ignore
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end
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def upload_to_s3(key, file_path)
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File.open(file_path, "rb") do |body|
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base64_md5 = Digest::MD5.base64digest(File.read(file_path))
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client.put_object(acl: "public-read", bucket: bucket, key: key, body: body, content_md5: base64_md5)
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end
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end
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end
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