b64+inflate

decompress.clj

(ns mf 
 (:require [clojure.data.codec.base64 :as b64])
 (:import (java.util.zip Inflater)))          
 
(defn decompress-content [content]
  (let [decoded (b64/decode (.getBytes content))
        buffer-size (* 2 (count decoded))
        result (byte-array buffer-size)
        inflater (Inflater.)
        ]
    (. inflater setInput decoded 0 (count decoded))
    (loop [return ""]
       (if (. inflater finished)
         return
         (let [nb (. inflater inflate result 0 buffer-size)]
           (recur (str return (String. result 0 nb "UTF-8")))
           )
         )
       )
))

(decompress-content "eJzzt7KwUiouSXHOSSwuVrIysqoutjK2UiosqVSyzrQyNDAwsC62MgUqyUxJLVYCss2slFz8Q518XJWsawEyGRG/")
=> "O:8:\"stdClass\":2:{s:3:\"qty\";i:1000;s:5:\"sides\";s:6:\"DOUBLE\";}"