Extend FileServer to accept options (:expires, :filename)
parent
70aedbf12c
commit
c1c1ffde70
@ -1,4 +1,4 @@
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(ns asciinema.boundary.file-server)
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(defprotocol FileServer
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(serve [this path]))
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(serve [this path] [this path opts]))
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@ -1,15 +1,38 @@
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(ns asciinema.component.s3-file-server
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(:require [asciinema.boundary.file-server :as file-server]
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[aws.sdk.s3 :as s3]
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[ring.util.http-response :as response]))
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[clj-time.core :as time]
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[clj-time.coerce :as timec]
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[ring.util.http-response :as response])
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(:import com.amazonaws.services.s3.model.ResponseHeaderOverrides
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com.amazonaws.services.s3.AmazonS3Client
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com.amazonaws.auth.BasicAWSCredentials
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com.amazonaws.services.s3.model.GeneratePresignedUrlRequest))
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;; TODO support custom expiry date (it's 1 day now)
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(defn- s3-client* [cred]
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(let [credentials (BasicAWSCredentials. (:access-key cred) (:secret-key cred))]
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(AmazonS3Client. credentials)))
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(def ^:private s3-client (memoize s3-client*))
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(defn- generate-presigned-url [cred bucket path {:keys [expires filename]
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:or {expires (-> 1 time/days time/from-now)}}]
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(let [client (s3-client cred)
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request (GeneratePresignedUrlRequest. bucket path)]
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(.setExpiration request (timec/to-date expires))
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(when filename
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(let [header-overrides (doto (ResponseHeaderOverrides.)
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(.setContentDisposition (str "attachment; filename=" filename)))]
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(.setResponseHeaders request header-overrides)))
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(.toString (.generatePresignedUrl client request))))
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(defrecord S3FileServer [cred bucket path-prefix]
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file-server/FileServer
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(serve [this path]
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(file-server/serve this path {}))
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(serve [this path opts]
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(let [path (str path-prefix path)]
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(response/found (s3/generate-presigned-url cred bucket path)))))
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(response/found (generate-presigned-url cred bucket path opts)))))
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(defn s3-file-server [{:keys [cred bucket path-prefix]}]
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(->S3FileServer cred bucket path-prefix))
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