Revert v2.14.2 hotfix reset
This commit is contained in:
Peter Taoussanis
parent
ea93fee8e2
commit
cf84a441f4
7 changed files with 517 additions and 261 deletions
25
project.clj
25
project.clj
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@ -1,4 +1,4 @@
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(defproject com.taoensso/nippy "2.14.2"
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(defproject com.taoensso/nippy "2.15.0"
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:author "Peter Taoussanis <https://www.taoensso.com>"
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:description "High-performance serialization library for Clojure"
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:url "https://github.com/ptaoussanis/nippy"
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@ -14,11 +14,11 @@
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:dependencies
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[[org.clojure/clojure "1.5.1"]
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[org.clojure/tools.reader "1.1.1"]
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[com.taoensso/encore "2.93.0"]
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[org.clojure/tools.reader "1.3.2"]
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[com.taoensso/encore "2.122.0"]
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[org.iq80.snappy/snappy "0.4"]
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[org.tukaani/xz "1.6"]
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[net.jpountz.lz4/lz4 "1.3"]]
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[org.tukaani/xz "1.8"]
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[org.lz4/lz4-java "1.7.1"]]
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:profiles
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{;; :default [:base :system :user :provided :dev]
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@ -28,22 +28,23 @@
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:1.7 {:dependencies [[org.clojure/clojure "1.7.0"]]}
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:1.8 {:dependencies [[org.clojure/clojure "1.8.0"]]}
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:1.9 {:dependencies [[org.clojure/clojure "1.9.0"]]}
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:1.10 {:dependencies [[org.clojure/clojure "1.10.1"]]}
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:test {:jvm-opts ["-Xms1024m" "-Xmx2048m"]
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:dependencies [[org.clojure/test.check "0.9.0"]
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[org.clojure/data.fressian "0.2.1"]
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[org.xerial.snappy/snappy-java "1.1.7.1"]]}
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:dev [:1.9 :test :server-jvm
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:dependencies [[org.clojure/test.check "1.1.0"]
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[org.clojure/data.fressian "1.0.0"]
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[org.xerial.snappy/snappy-java "1.1.7.6"]]}
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:dev [:1.10 :test :server-jvm
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{:plugins
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[[lein-pprint "1.2.0"]
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[[lein-pprint "1.3.2"]
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[lein-ancient "0.6.15"]
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[lein-codox "0.10.3"]]}]}
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[lein-codox "0.10.7"]]}]}
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:codox
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{:language :clojure
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:source-uri "https://github.com/ptaoussanis/nippy/blob/master/{filepath}#L{line}"}
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:aliases
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{"test-all" ["with-profile" "+1.9:+1.8:+1.7:+1.6:+1.5" "test"]
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{"test-all" ["with-profile" "+1.10:+1.9:+1.8:+1.7:+1.6:+1.5" "test"]
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"deploy-lib" ["do" "deploy" "clojars," "install"]
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"start-dev" ["with-profile" "+dev" "repl" ":headless"]}
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@ -13,19 +13,19 @@
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[java.io ByteArrayInputStream ByteArrayOutputStream DataInputStream
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DataOutputStream Serializable ObjectOutputStream ObjectInputStream
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DataOutput DataInput]
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[java.lang.reflect Method]
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;; [java.net URI] ; TODO
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[java.lang.reflect Method Field Constructor]
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[java.net URI]
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[java.util Date UUID]
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[java.util.regex Pattern]
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[clojure.lang Keyword Symbol BigInt Ratio
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APersistentMap APersistentVector APersistentSet
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IPersistentMap ; IPersistentVector IPersistentSet IPersistentList
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PersistentQueue PersistentTreeMap PersistentTreeSet PersistentList
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LazySeq IRecord ISeq]))
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LazySeq IRecord ISeq IType]))
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(if (vector? enc/encore-version)
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(enc/assert-min-encore-version [2 67 1])
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(enc/assert-min-encore-version 2.67))
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(enc/assert-min-encore-version [2 121 0])
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(enc/assert-min-encore-version 2.121))
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(comment
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(set! *unchecked-math* :warn-on-boxed)
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@ -59,25 +59,38 @@
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(def ^:private ^:const head-version "Current Nippy header format version" 1)
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(def ^:private ^:const head-meta
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"Final byte of 4-byte Nippy header stores version-dependent metadata"
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;; Currently
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;; - 5 compressors, #{nil :snappy :lz4 :lzma2 :else}
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;; - 4 encryptors, #{nil :aes128-cbc-sha512 :aes128-gcm-sha512 :else}
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{(byte 0) {:version 1 :compressor-id nil :encryptor-id nil}
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(byte 2) {:version 1 :compressor-id nil :encryptor-id :aes128-cbc-sha512}
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(byte 14) {:version 1 :compressor-id nil :encryptor-id :aes128-gcm-sha512}
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(byte 4) {:version 1 :compressor-id nil :encryptor-id :else}
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(byte 5) {:version 1 :compressor-id :else :encryptor-id nil}
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(byte 6) {:version 1 :compressor-id :else :encryptor-id :else}
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;;
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(byte 2) {:version 1 :compressor-id nil :encryptor-id :aes128-sha512}
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;;
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(byte 1) {:version 1 :compressor-id :snappy :encryptor-id nil}
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(byte 3) {:version 1 :compressor-id :snappy :encryptor-id :aes128-sha512}
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(byte 3) {:version 1 :compressor-id :snappy :encryptor-id :aes128-cbc-sha512}
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(byte 15) {:version 1 :compressor-id :snappy :encryptor-id :aes128-gcm-sha512}
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(byte 7) {:version 1 :compressor-id :snappy :encryptor-id :else}
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;;
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;;; :lz4 used for both lz4 and lz4hc compressor (the two are compatible)
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(byte 8) {:version 1 :compressor-id :lz4 :encryptor-id nil}
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(byte 9) {:version 1 :compressor-id :lz4 :encryptor-id :aes128-sha512}
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(byte 9) {:version 1 :compressor-id :lz4 :encryptor-id :aes128-cbc-sha512}
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(byte 16) {:version 1 :compressor-id :lz4 :encryptor-id :aes128-gcm-sha512}
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(byte 10) {:version 1 :compressor-id :lz4 :encryptor-id :else}
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;;
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(byte 11) {:version 1 :compressor-id :lzma2 :encryptor-id nil}
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(byte 12) {:version 1 :compressor-id :lzma2 :encryptor-id :aes128-sha512}
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(byte 13) {:version 1 :compressor-id :lzma2 :encryptor-id :else}})
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(byte 12) {:version 1 :compressor-id :lzma2 :encryptor-id :aes128-cbc-sha512}
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(byte 17) {:version 1 :compressor-id :lzma2 :encryptor-id :aes128-gcm-sha512}
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(byte 13) {:version 1 :compressor-id :lzma2 :encryptor-id :else}
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(byte 5) {:version 1 :compressor-id :else :encryptor-id nil}
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(byte 18) {:version 1 :compressor-id :else :encryptor-id :aes128-cbc-sha512}
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(byte 19) {:version 1 :compressor-id :else :encryptor-id :aes128-gcm-sha512}
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(byte 6) {:version 1 :compressor-id :else :encryptor-id :else}})
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(comment (count (sort (keys head-meta))))
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(defmacro ^:private when-debug [& body] (when #_true false `(do ~@body)))
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@ -106,7 +119,7 @@
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49 :record-md
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80 :record-lg ; Used only for back-compatible thawing
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81 :type ; TODO Implement?
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81 :type
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3 :nil
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8 :true
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@ -125,7 +138,7 @@
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57 :sym-lg
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58 :regex
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71 :uri ; TODO Implement?
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71 :uri
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53 :bytes-0
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7 :bytes-sm
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@ -139,6 +152,8 @@
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69 :vec-md
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21 :vec-lg
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115 :objects-lg ; TODO Could include md, sm, 0 later if there's demand
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18 :set-0
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111 :set-sm
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32 :set-md
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@ -244,17 +259,21 @@
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(enc/defalias encrypt encryption/encrypt)
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(enc/defalias decrypt encryption/decrypt)
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(enc/defalias aes128-encryptor encryption/aes128-encryptor)
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(enc/defalias aes128-gcm-encryptor encryption/aes128-gcm-encryptor)
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(enc/defalias aes128-cbc-encryptor encryption/aes128-cbc-encryptor)
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(enc/defalias aes128-encryptor encryption/aes128-gcm-encryptor) ; Default
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(enc/defalias freezable? utils/freezable?))
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;;;; Dynamic config
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;; See also `nippy.tools` ns for further dynamic config support
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;; TODO Switch to thread-local proxies?
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;; For back compatibility (nb Timbre's Carmine appender)
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(enc/defonce ^:dynamic *final-freeze-fallback* "DEPRECATED: prefer `*freeze-fallback`." nil)
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(enc/defonce ^:dynamic *freeze-fallback* "(fn [data-output x])->freeze, nil => default" nil)
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(enc/defonce ^:dynamic *freeze-fallback* "(fn [data-output x]), nil => default" nil)
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(enc/defonce ^:dynamic *custom-readers* "{<hash-or-byte-id> (fn [data-input])}" nil)
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(enc/defonce ^:dynamic *custom-readers* "{<hash-or-byte-id> (fn [data-input])->read}" nil)
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(enc/defonce ^:dynamic *auto-freeze-compressor*
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"(fn [byte-array])->compressor used by `(freeze <x> {:compressor :auto}),
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nil => default"
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@ -301,12 +320,7 @@
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source, you can use `(constantly true)` as predicate. This
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will whitelist everything, allowing Serializable for ANY class.
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**** IMPORTANT *********************************************************
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To avoid a breaking change in an <x.y.patch> release, the default value
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in Nippy v2.14.1 is `(constantly true)`, which MAY BE UNSAFE!!!
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PLEASE REVIEW AND ADJUST THIS SETTING AS NECESSARY FOR YOUR ENVIRONMENT!
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************************************************************************
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Default value as of v2.15.0 is: #{}.
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PRs welcome for additional known-safe classes to be added to default
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whitelist.
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@ -324,8 +338,7 @@
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[1] https://groups.google.com/forum/#!msg/clojure/WaL3hHzsevI/7zHU-L7LBQAJ"
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#_#{#_"java.lang.Throwable"}
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(constantly true))
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#{#_"java.lang.Throwable"})
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(defn set-freeze-fallback! [x] (alter-var-root #'*freeze-fallback* (constantly x)))
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(defn set-auto-freeze-compressor! [x] (alter-var-root #'*auto-freeze-compressor* (constantly x)))
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@ -342,8 +355,6 @@
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See also `*serializable-whitelist*."
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[f] (alter-var-root #'*serializable-whitelist* f))
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(declare ^:dynamic *final-freeze-fallback*) ; DEPRECATED
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;;;; Freezing
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#_(do
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@ -733,6 +744,12 @@
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(-run! (fn [in] (-freeze-with-meta! in out)) s)))))
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(defn- write-objects [^DataOutput out ^objects ary]
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(let [len (alength ary)]
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(write-id out id-objects-lg)
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(write-lg-count out len)
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(-run! (fn [in] (-freeze-with-meta! in out)) ary)))
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(defn- write-serializable [^DataOutput out x ^String class-name]
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(when-debug (println (str "write-serializable: " (type x))))
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(let [class-name-ba (.getBytes class-name charset)
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@ -951,12 +968,17 @@
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(write-biginteger out (.denominator x)))
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(id-freezer Date id-date (.writeLong out (.getTime x)))
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(id-freezer URI id-uri
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(write-str out (.toString x)))
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(id-freezer UUID id-uuid
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(.writeLong out (.getMostSignificantBits x))
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(.writeLong out (.getLeastSignificantBits x)))
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(freezer Boolean (if x (write-id out id-true) (write-id out id-false)))
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(freezer (Class/forName "[B") (write-bytes out x))
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(freezer (Class/forName "[Ljava.lang.Object;") (write-objects out x))
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(freezer String (write-str out x))
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(freezer Keyword (write-kw out x))
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(freezer Symbol (write-sym out x))
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@ -993,6 +1015,20 @@
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(-freeze-without-meta! (into {} x) out)))
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(freezer IType
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(let [aclass (class x)
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cname (.getName aclass)]
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(write-id out id-type)
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(write-str out cname)
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(let [basis-method (.getMethod aclass "getBasis" nil)
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basis (.invoke basis-method nil nil)]
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(-run!
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(fn [b]
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(let [^Field cfield (.getField aclass (name b))]
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(let [fvalue (.get cfield x)]
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(-freeze-without-meta! fvalue out))))
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basis))))
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(freezer Object
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(when-debug (println (str "freeze-fallback: " (type x))))
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(if-let [ff *freeze-fallback*]
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@ -1008,10 +1044,7 @@
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(try-write-serializable out x)
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(try-write-readable out x)
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;; For back compatibility (nb Timbre's Carmine appender)
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(when-let [fff *final-freeze-fallback*]
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(fff out x)
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true)
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(when-let [fff *final-freeze-fallback*] (fff out x) true) ; Deprecated
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(throw-unfreezable x))))
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@ -1047,14 +1080,47 @@
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(with-cache (-freeze-with-meta! x dos))
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(.toByteArray baos)))
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(defn- call-with-bindings
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"Allow opts to override config bindings. Undocumented."
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[opts f]
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(let [opt->bindings
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(fn [bindings id var]
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(if-let [o (find opts id)]
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(assoc bindings var (val o))
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(do bindings)))
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bindings
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(-> nil
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(opt->bindings :freeze-fallback #'*freeze-fallback*)
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(opt->bindings :auto-freeze-compressor #'*auto-freeze-compressor*)
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(opt->bindings :serializable-whitelist #'*serializable-whitelist*)
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(opt->bindings :custom-readers #'*custom-readers*))]
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(if-not bindings
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(f) ; Common case
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(try
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(push-thread-bindings bindings)
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(f)
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(finally
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(pop-thread-bindings))))))
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(comment
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(enc/qb 1e4
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(call-with-bindings {} (fn [] *freeze-fallback*))
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(call-with-bindings {:freeze-fallback "foo"} (fn [] *freeze-fallback*))))
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(defn freeze
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"Serializes arg (any Clojure data type) to a byte array. To freeze custom
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types, extend the Clojure reader or see `extend-freeze`."
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([x] (freeze x nil))
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([x {:keys [compressor encryptor password]
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([x {:as opts
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:keys [compressor encryptor password]
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:or {compressor :auto
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encryptor aes128-encryptor}
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:as opts}]
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encryptor aes128-gcm-encryptor}}]
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(call-with-bindings opts
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(fn []
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(let [;; Intentionally undocumented:
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no-header? (or (get opts :no-header?)
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(get opts :skip-header?))
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@ -1105,7 +1171,7 @@
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(when-let [e encryptor]
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(or (encryption/standard-header-ids
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(encryption/header-id e))
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:else))}))))))))
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:else))}))))))))))
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;;;; Thawing
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@ -1143,6 +1209,13 @@
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(enc/reduce-n (fn [acc _] (conj acc (thaw-from-in! in))) to n)))
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(defn- read-objects [^objects ary ^DataInput in]
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(enc/reduce-n
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(fn [^objects ary i]
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(aset ary i (thaw-from-in! in))
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ary)
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ary (alength ary)))
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(defn- read-kvs-into [to ^DataInput in ^long n]
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(if (and (editable? to) (> n 10))
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(persistent!
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@ -1226,6 +1299,30 @@
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:throwable e
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:nippy/unthawable {:class-name class-name :content content}}))))
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(defn- read-type [in class-name]
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(try
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(let [aclass (clojure.lang.RT/classForName class-name)
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nbasis
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(let [basis-method (.getMethod aclass "getBasis" nil)
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basis (.invoke basis-method nil nil)]
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(count basis))
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cvalues (object-array nbasis)]
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(enc/reduce-n
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(fn [_ i] (aset cvalues i (thaw-from-in! in)))
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nil nbasis)
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(let [ctors (.getConstructors aclass)
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^Constructor ctor (aget ctors 0) ; Impl. detail? Ref. https://goo.gl/XWmckR
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]
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(.newInstance ctor cvalues)))
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(catch Exception e
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{:type :type
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:throwable e
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:nippy/unthawable {:class-name class-name}})))
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(defn thaw-from-in!
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"Deserializes a frozen object from given DataInput to its original Clojure
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data type.
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@ -1248,6 +1345,8 @@
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id-record-md (read-record in (read-utf8 in (read-md-count in)))
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id-record-lg (read-record in (read-utf8 in (read-lg-count in)))
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id-type (read-type in (thaw-from-in! in))
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id-nil nil
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id-true true
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id-false false
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@ -1271,6 +1370,8 @@
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id-bytes-md (read-bytes in (read-md-count in))
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id-bytes-lg (read-bytes in (read-lg-count in))
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|
||||
id-objects-lg (read-objects (object-array (read-lg-count in)) in)
|
||||
|
||||
id-str-0 ""
|
||||
id-str-sm (read-utf8 in (read-sm-count in))
|
||||
id-str-md (read-utf8 in (read-md-count in))
|
||||
|
|
@ -1334,6 +1435,7 @@
|
|||
(read-biginteger in))
|
||||
|
||||
id-date (Date. (.readLong in))
|
||||
id-uri (URI. (thaw-from-in! in))
|
||||
id-uuid (UUID. (.readLong in) (.readLong in))
|
||||
|
||||
;; Deprecated ------------------------------------------------------
|
||||
|
|
@ -1384,17 +1486,18 @@
|
|||
:lz4 lz4-compressor
|
||||
:no-header (throw (ex-info ":auto not supported on headerless data." {}))
|
||||
:else (throw (ex-info ":auto not supported for non-standard compressors." {}))
|
||||
(throw (ex-info (str "Unrecognized :auto compressor id: " compressor-id)
|
||||
{:compressor-id compressor-id}))))
|
||||
(do (throw (ex-info (str "Unrecognized :auto compressor id: " compressor-id)
|
||||
{:compressor-id compressor-id})))))
|
||||
|
||||
(defn- get-auto-encryptor [encryptor-id]
|
||||
(case encryptor-id
|
||||
nil nil
|
||||
:aes128-sha512 aes128-encryptor
|
||||
:aes128-gcm-sha512 aes128-gcm-encryptor
|
||||
:aes128-cbc-sha512 aes128-cbc-encryptor
|
||||
:no-header (throw (ex-info ":auto not supported on headerless data." {}))
|
||||
:else (throw (ex-info ":auto not supported for non-standard encryptors." {}))
|
||||
(throw (ex-info (str "Unrecognized :auto encryptor id: " encryptor-id)
|
||||
{:encryptor-id encryptor-id}))))
|
||||
(do (throw (ex-info (str "Unrecognized :auto encryptor id: " encryptor-id)
|
||||
{:encryptor-id encryptor-id})))))
|
||||
|
||||
(def ^:private err-msg-unknown-thaw-failure
|
||||
"Decryption/decompression failure, or data unfrozen/damaged.")
|
||||
|
|
@ -1428,14 +1531,17 @@
|
|||
|
||||
([ba] (thaw ba nil))
|
||||
([^bytes ba
|
||||
{:keys [v1-compatibility? compressor encryptor password]
|
||||
{:as opts
|
||||
:keys [v1-compatibility? compressor encryptor password]
|
||||
:or {compressor :auto
|
||||
encryptor :auto}
|
||||
:as opts}]
|
||||
encryptor :auto}}]
|
||||
|
||||
(assert (not (get opts :headerless-meta))
|
||||
":headerless-meta `thaw` opt removed in Nippy v2.7+")
|
||||
|
||||
(call-with-bindings opts
|
||||
(fn []
|
||||
|
||||
(let [v2+? (not v1-compatibility?)
|
||||
no-header? (get opts :no-header?) ; Intentionally undocumented
|
||||
ex (fn ex
|
||||
|
|
@ -1501,7 +1607,7 @@
|
|||
;; Well-formed header definitely not present
|
||||
(if v2+?
|
||||
(ex err-msg-unknown-thaw-failure)
|
||||
(thaw-v1-data ba (fn [_] (ex err-msg-unknown-thaw-failure)))))))))
|
||||
(thaw-v1-data ba (fn [_] (ex err-msg-unknown-thaw-failure)))))))))))
|
||||
|
||||
(comment
|
||||
(thaw (freeze "hello"))
|
||||
|
|
@ -1593,6 +1699,9 @@
|
|||
;;;; Stress data
|
||||
|
||||
(defrecord StressRecord [data])
|
||||
(deftype StressType [data]
|
||||
Object
|
||||
(equals [a b] (= (.-data a) (.-data ^StressType b))))
|
||||
(def stress-data "Reference data used for tests & benchmarks"
|
||||
{:bytes (byte-array [(byte 1) (byte 2) (byte 3)])
|
||||
:nil nil
|
||||
|
|
@ -1647,10 +1756,13 @@
|
|||
:bigdec (bigdec 3.1415926535897932384626433832795)
|
||||
|
||||
:ratio 22/7
|
||||
:uri (URI. "https://clojure.org/reference/data_structures")
|
||||
:uuid (java.util.UUID/randomUUID)
|
||||
:date (java.util.Date.)
|
||||
:objects (object-array [1 "two" {:data "data"}])
|
||||
|
||||
:stress-record (StressRecord. "data")
|
||||
:stress-type (StressType. "data")
|
||||
|
||||
;; Serializable
|
||||
:throwable (Throwable. "Yolo")
|
||||
|
|
@ -1659,14 +1771,14 @@
|
|||
|
||||
(def stress-data-comparable
|
||||
"Reference data with stuff removed that breaks roundtrip equality"
|
||||
(dissoc stress-data :bytes :throwable :exception :ex-info :regex))
|
||||
(dissoc stress-data :bytes :throwable :exception :ex-info :regex :objects))
|
||||
|
||||
(def stress-data-benchable
|
||||
"Reference data with stuff removed that breaks reader or other utils we'll
|
||||
be benching against"
|
||||
(dissoc stress-data
|
||||
:bytes :throwable :exception :ex-info :queue :queue-empty
|
||||
:byte :stress-record :regex))
|
||||
:byte :stress-record :stress-type :regex :objects))
|
||||
|
||||
;;;; Tools
|
||||
|
||||
|
|
@ -1698,12 +1810,29 @@
|
|||
(inspect-ba (freeze "hello"))
|
||||
(seq (:data-ba (inspect-ba (freeze "hello")))))
|
||||
|
||||
(defn freeze-to-string
|
||||
"Convenience util: like `freeze`, but returns a Base64-encoded string.
|
||||
See also `thaw-from-string`."
|
||||
([x ] (freeze-to-string x nil))
|
||||
([x freeze-opts]
|
||||
(let [ba (freeze x freeze-opts)]
|
||||
(.encodeToString (java.util.Base64/getEncoder)
|
||||
ba))))
|
||||
|
||||
(defn thaw-from-string
|
||||
"Convenience util: like `thaw`, but takes a Base64-encoded string.
|
||||
See also `freeze-to-string`."
|
||||
([s ] (thaw-from-string s nil))
|
||||
([^String s thaw-opts]
|
||||
(let [ba (.decode (java.util.Base64/getDecoder) s)]
|
||||
(thaw ba thaw-opts))))
|
||||
|
||||
(comment (thaw-from-string (freeze-to-string {:a :A :b [:B1 :B2]})))
|
||||
|
||||
(defn freeze-to-file
|
||||
"Convenience util: writes `(freeze x freeze-opts)` byte array to
|
||||
`(clojure.java.io/file file)` and returns the byte array.
|
||||
|
||||
(freeze-to-file \"my-filename.npy\" my-val) => Serialized byte array"
|
||||
|
||||
"Convenience util: like `freeze`, but writes to `(clojure.java.io/file <file>)`
|
||||
and returns the byte array written.
|
||||
See also `thaw-from-file`."
|
||||
([file x ] (freeze-to-file file x nil))
|
||||
([file x freeze-opts]
|
||||
(let [^bytes ba (freeze x freeze-opts)]
|
||||
|
|
@ -1712,14 +1841,12 @@
|
|||
ba)))
|
||||
|
||||
(defn thaw-from-file
|
||||
"Convenience util: returns `(thaw ba thaw-opts)` Clojure value for the
|
||||
byte array read from `(clojure.java.io/file file)`.
|
||||
|
||||
(thaw-from-file \"my-filename.npy\") => Deserialized Clojure value
|
||||
"Convenience util: like `thaw`, but reads from `(clojure.java.io/file <file>)`.
|
||||
|
||||
To thaw from a resource on classpath (e.g in Leiningen `resources` dir):
|
||||
(thaw-from-file (clojure.java.io/resource \"my-resource-name.npy\"))"
|
||||
(thaw-from-file (clojure.java.io/resource \"my-resource-name.npy\"))
|
||||
|
||||
See also `freeze-to-file`."
|
||||
([file ] (thaw-from-file file nil))
|
||||
([file thaw-opts]
|
||||
(let [file (jio/file file),
|
||||
|
|
@ -1736,6 +1863,4 @@
|
|||
|
||||
;;;; Deprecated
|
||||
|
||||
(enc/deprecated
|
||||
(enc/defonce ^:dynamic *final-freeze-fallback* "DEPRECATED" nil)
|
||||
(def freeze-fallback-as-str "DEPRECATED" write-unfreezable))
|
||||
(enc/deprecated (def freeze-fallback-as-str "DEPRECATED" write-unfreezable))
|
||||
|
|
|
|||
153
src/taoensso/nippy/crypto.clj
Normal file
153
src/taoensso/nippy/crypto.clj
Normal file
|
|
@ -0,0 +1,153 @@
|
|||
(ns taoensso.nippy.crypto
|
||||
"Low-level crypto utils.
|
||||
Private & alpha, very likely to change!"
|
||||
(:refer-clojure :exclude [rand-nth])
|
||||
(:require [taoensso.encore :as enc]))
|
||||
|
||||
;; Note that AES128 may be preferable to AES256 due to known attack
|
||||
;; vectors specific to AES256, Ref. https://goo.gl/qU4CCV
|
||||
;; or for a counter argument, Ref. https://goo.gl/9LA9Yb
|
||||
|
||||
;;;; Randomness
|
||||
|
||||
(do
|
||||
(defn rand-nth [coll] (nth coll (int (* (.nextDouble (enc/srng)) (count coll)))))
|
||||
(defn rand-bytes ^bytes [size] (let [ba (byte-array size)] (.nextBytes (enc/srng) ba) ba))
|
||||
(defn rand-double ^double [] (.nextDouble (enc/srng)))
|
||||
(defn rand-gauss ^double [] (.nextGaussian (enc/srng)))
|
||||
(defn rand-bool [] (.nextBoolean (enc/srng)))
|
||||
(defn rand-long
|
||||
(^long [ ] (.nextLong (enc/srng)))
|
||||
(^long [n] (long (* (long n) (.nextDouble (enc/srng)))))))
|
||||
|
||||
(comment
|
||||
(seq (rand-bytes 16))
|
||||
(rand-nth [:a :b :c :d])
|
||||
(rand-long 100))
|
||||
|
||||
;;;; Hashing
|
||||
|
||||
(def ^:private sha256-md* (enc/thread-local-proxy (java.security.MessageDigest/getInstance "SHA-256")))
|
||||
(def ^:private sha512-md* (enc/thread-local-proxy (java.security.MessageDigest/getInstance "SHA-512")))
|
||||
(defn sha256-md ^java.security.MessageDigest [] (.get ^ThreadLocal sha256-md*))
|
||||
(defn sha512-md ^java.security.MessageDigest [] (.get ^ThreadLocal sha512-md*))
|
||||
(defn sha256-ba ^bytes [ba] (.digest (sha256-md) ba))
|
||||
(defn sha512-ba ^bytes [ba] (.digest (sha512-md) ba))
|
||||
|
||||
(enc/compile-if clojure.lang.Murmur3
|
||||
(defn murmur3 [^String s] (clojure.lang.Murmur3/hashUnencodedChars s))
|
||||
nil)
|
||||
|
||||
;;;; Key derivation (salt+password -> key / hash)
|
||||
;; (fn [salt-ba utf8]) -> bytes
|
||||
|
||||
;; (defn ba->hex [^bytes ba] (org.apache.commons.codec.binary.Hex/encodeHexString ba))
|
||||
(defn take-ba ^bytes [n ^bytes ba] (java.util.Arrays/copyOf ba ^int n)) ; Pads if ba too small
|
||||
(defn utf8->ba ^bytes [^String s] (.getBytes s "UTF-8"))
|
||||
(defn- add-salt ^bytes [?salt-ba ba] (if ?salt-ba (enc/ba-concat ?salt-ba ba) ba))
|
||||
(defn pwd-as-ba ^bytes [utf8-or-ba] (if (string? utf8-or-ba) (utf8->ba utf8-or-ba) (enc/have enc/bytes? utf8-or-ba)))
|
||||
|
||||
(comment (seq (pwd-as-ba "foo")))
|
||||
|
||||
(defn sha512-key-ba
|
||||
"SHA512-based key generator. Good JVM availability without extra dependencies
|
||||
(PBKDF2, bcrypt, scrypt, etc.). Decent security when using many rounds."
|
||||
(^bytes [?salt-ba utf8-or-ba ] (sha512-key-ba ?salt-ba utf8-or-ba 163835 #_(* Short/MAX_VALUE 5)))
|
||||
(^bytes [?salt-ba utf8-or-ba ^long n-rounds]
|
||||
(let [ba (add-salt ?salt-ba (pwd-as-ba utf8-or-ba))
|
||||
md (sha512-md)]
|
||||
(enc/reduce-n (fn [acc in] (.digest md acc)) ba n-rounds))))
|
||||
|
||||
(comment
|
||||
(count (seq (sha512-key-ba (utf8->ba "salt") "password" 1)))
|
||||
(count (seq (sha512-key-ba nil "password" 1))))
|
||||
|
||||
;;;; Crypto
|
||||
|
||||
(defprotocol ICipherKit
|
||||
(get-cipher ^javax.crypto.Cipher [_] "Returns a thread-safe `javax.crypto.Cipher` instance.")
|
||||
(get-iv-size [_] "Returns necessary iv-ba length.")
|
||||
(get-key-spec ^javax.crypto.spec.SecretKeySpec [_ ba] "Returns a `javax.crypto.spec.SecretKeySpec`.")
|
||||
(get-param-spec ^java.security.spec.AlgorithmParameterSpec [_ iv-ba] "Returns a `java.security.spec.AlgorithmParameters`."))
|
||||
|
||||
;; Prefer GCM > CBC, Ref. https://goo.gl/jpZoj8
|
||||
(def ^:private gcm-cipher* (enc/thread-local-proxy (javax.crypto.Cipher/getInstance "AES/GCM/NoPadding")))
|
||||
(def ^:private cbc-cipher* (enc/thread-local-proxy (javax.crypto.Cipher/getInstance "AES/CBC/PKCS5Padding")))
|
||||
|
||||
(defn gcm-cipher ^javax.crypto.Cipher [] (.get ^ThreadLocal gcm-cipher*))
|
||||
(defn cbc-cipher ^javax.crypto.Cipher [] (.get ^ThreadLocal cbc-cipher*))
|
||||
;
|
||||
(deftype CipherKit-AES-GCM []
|
||||
ICipherKit
|
||||
(get-cipher [_] (gcm-cipher))
|
||||
(get-iv-size [_] 12)
|
||||
(get-key-spec [_ ba] (javax.crypto.spec.SecretKeySpec. ba "AES"))
|
||||
(get-param-spec [_ iv-ba] (javax.crypto.spec.GCMParameterSpec. 128 iv-ba)))
|
||||
|
||||
(deftype CipherKit-AES-CBC []
|
||||
ICipherKit
|
||||
(get-cipher [_] (cbc-cipher))
|
||||
(get-iv-size [_] 16)
|
||||
(get-key-spec [_ ba] (javax.crypto.spec.SecretKeySpec. ba "AES"))
|
||||
(get-param-spec [_ iv-ba] (javax.crypto.spec.IvParameterSpec. iv-ba)))
|
||||
|
||||
(def cipher-kit-aes-gcm "Default CipherKit for AES GCM" (CipherKit-AES-GCM.))
|
||||
(def cipher-kit-aes-cbc "Default CipherKit for AES CBC" (CipherKit-AES-CBC.))
|
||||
|
||||
;; Output bytes: [ <iv> <?salt> <encrypted>]
|
||||
;; Could also do: [<iv-len> <iv> <salt-len> <?salt> <encrypted>]
|
||||
(defn encrypt
|
||||
[{:keys [cipher-kit ?salt-ba key-ba plain-ba rand-bytes-fn]
|
||||
:or {cipher-kit cipher-kit-aes-gcm
|
||||
rand-bytes-fn rand-bytes}}]
|
||||
|
||||
(let [iv-size (long (get-iv-size cipher-kit))
|
||||
iv-ba (rand-bytes-fn iv-size)
|
||||
prefix-ba (if ?salt-ba (enc/ba-concat iv-ba ?salt-ba) iv-ba)
|
||||
key-spec (get-key-spec cipher-kit key-ba)
|
||||
param-spec (get-param-spec cipher-kit iv-ba)
|
||||
cipher (get-cipher cipher-kit)]
|
||||
|
||||
(.init cipher javax.crypto.Cipher/ENCRYPT_MODE key-spec param-spec)
|
||||
(enc/ba-concat prefix-ba (.doFinal cipher plain-ba))))
|
||||
|
||||
(comment (encrypt {:?salt-ba nil :key-ba (take-ba 16 (sha512-key-ba nil "pwd")) :plain-ba (utf8->ba "data")}))
|
||||
|
||||
(defn decrypt
|
||||
[{:keys [cipher-kit salt-size salt->key-fn enc-ba]
|
||||
:or {cipher-kit cipher-kit-aes-gcm}}]
|
||||
(let [salt-size (long salt-size)
|
||||
iv-size (long (get-iv-size cipher-kit))
|
||||
prefix-size (+ iv-size salt-size)
|
||||
[prefix-ba enc-ba] (enc/ba-split enc-ba prefix-size)
|
||||
[iv-ba salt-ba] (if (pos? salt-size)
|
||||
(enc/ba-split prefix-ba iv-size)
|
||||
[prefix-ba nil])
|
||||
|
||||
key-ba (salt->key-fn salt-ba)
|
||||
key-spec (get-key-spec cipher-kit key-ba)
|
||||
param-spec (get-param-spec cipher-kit iv-ba)
|
||||
cipher (get-cipher cipher-kit)]
|
||||
|
||||
(.init cipher javax.crypto.Cipher/DECRYPT_MODE key-spec param-spec)
|
||||
(.doFinal cipher enc-ba)))
|
||||
|
||||
(comment
|
||||
(do
|
||||
(defn sha512-k16 [?salt-ba pwd] (take-ba 16 (sha512-key-ba ?salt-ba pwd)))
|
||||
(defn roundtrip [kit ?salt-ba key-ba key-fn]
|
||||
(let [salt-size (count ?salt-ba)
|
||||
encr (encrypt {:cipher-kit kit :?salt-ba ?salt-ba :key-ba key-ba :plain-ba (utf8->ba "data")})
|
||||
decr (decrypt {:cipher-kit kit :salt-size salt-size :salt->key-fn key-fn :enc-ba encr})]
|
||||
(String. ^bytes decr "UTF-8")))
|
||||
|
||||
[(let [s (rand-bytes 16)] (roundtrip cipher-kit-aes-gcm s (sha512-k16 s "pwd") #(sha512-k16 % "pwd")))
|
||||
(let [s nil] (roundtrip cipher-kit-aes-gcm s (sha512-k16 s "pwd") #(sha512-k16 % "pwd")))
|
||||
(let [s (rand-bytes 16)] (roundtrip cipher-kit-aes-cbc s (sha512-k16 s "pwd") #(sha512-k16 % "pwd")))
|
||||
(let [s nil] (roundtrip cipher-kit-aes-cbc s (sha512-k16 s "pwd") #(sha512-k16 % "pwd")))])
|
||||
|
||||
(enc/qb 10
|
||||
(let [s (rand-bytes 16)]
|
||||
(roundtrip cipher-kit-aes-gcm s (sha512-k16 s "pwd") #(sha512-k16 % "pwd"))))
|
||||
;; 2394.89
|
||||
)
|
||||
|
|
@ -1,63 +1,24 @@
|
|||
(ns taoensso.nippy.encryption
|
||||
"Simple no-nonsense crypto with reasonable defaults"
|
||||
(:require [taoensso.encore :as enc]))
|
||||
(:require
|
||||
[taoensso.encore :as enc]
|
||||
[taoensso.nippy.crypto :as crypto]))
|
||||
|
||||
;;;; Interface
|
||||
|
||||
(def standard-header-ids "These'll support :auto thaw" #{:aes128-sha512})
|
||||
(def standard-header-ids
|
||||
"These'll support :auto thaw"
|
||||
#{:aes128-cbc-sha512
|
||||
:aes128-gcm-sha512})
|
||||
|
||||
(defprotocol IEncryptor
|
||||
(header-id [encryptor])
|
||||
(encrypt ^bytes [encryptor pwd ba])
|
||||
(decrypt ^bytes [encryptor pwd ba]))
|
||||
|
||||
;;;; Default digests, ciphers, etc.
|
||||
|
||||
(def ^:private aes128-cipher* (enc/thread-local-proxy (javax.crypto.Cipher/getInstance "AES/CBC/PKCS5Padding")))
|
||||
(def ^:private sha512-md* (enc/thread-local-proxy (java.security.MessageDigest/getInstance "SHA-512")))
|
||||
(def ^:private prng* (enc/thread-local-proxy (java.security.SecureRandom/getInstance "SHA1PRNG")))
|
||||
|
||||
(defn- aes128-cipher ^javax.crypto.Cipher [] (.get ^ThreadLocal aes128-cipher*))
|
||||
(defn- sha512-md ^java.security.MessageDigest [] (.get ^ThreadLocal sha512-md*))
|
||||
(defn- prng ^java.security.SecureRandom [] (.get ^ThreadLocal prng*))
|
||||
|
||||
(def ^:private ^:const aes128-block-size (.getBlockSize (aes128-cipher)))
|
||||
(def ^:private ^:const salt-size aes128-block-size)
|
||||
|
||||
(defn- rand-bytes [size] (let [ba (byte-array size)] (.nextBytes (prng) ba) ba))
|
||||
|
||||
;;;; Default key-gen
|
||||
|
||||
(defn- sha512-key
|
||||
"SHA512-based key generator. Good JVM availability without extra dependencies
|
||||
(PBKDF2, bcrypt, scrypt, etc.). Decent security when using many rounds."
|
||||
|
||||
([salt-ba pwd ] (sha512-key salt-ba pwd (* Short/MAX_VALUE (if salt-ba 5 64))))
|
||||
([salt-ba pwd ^long n]
|
||||
(let [md (sha512-md)
|
||||
init-ba (let [pwd-ba (.getBytes ^String pwd "UTF-8")]
|
||||
(if salt-ba (enc/ba-concat salt-ba pwd-ba) pwd-ba))
|
||||
^bytes ba (enc/reduce-n (fn [acc in] (.digest md acc)) init-ba n)]
|
||||
|
||||
(-> ba
|
||||
(java.util.Arrays/copyOf aes128-block-size)
|
||||
(javax.crypto.spec.SecretKeySpec. "AES")))))
|
||||
|
||||
(comment
|
||||
(enc/qb 10
|
||||
(sha512-key nil "hi" (* Short/MAX_VALUE 1)) ; ~40ms per hash (fast)
|
||||
(sha512-key nil "hi" (* Short/MAX_VALUE 5)) ; ~180ms (default)
|
||||
(sha512-key nil "hi" (* Short/MAX_VALUE 32)) ; ~1200ms (conservative)
|
||||
(sha512-key nil "hi" (* Short/MAX_VALUE 128)) ; ~4500ms (paranoid)
|
||||
))
|
||||
|
||||
;;;; Default implementations
|
||||
|
||||
(defn- throw-destructure-ex [typed-password]
|
||||
(throw (ex-info
|
||||
(str "Expected password form: "
|
||||
"[<#{:salted :cached}> <password-string>].\n "
|
||||
"See `default-aes128-encryptor` docstring for details!")
|
||||
"See `aes128-encryptor` docstring for details!")
|
||||
{:typed-password typed-password})))
|
||||
|
||||
(defn- destructure-typed-pwd [typed-password]
|
||||
|
|
@ -70,46 +31,41 @@
|
|||
|
||||
(comment (destructure-typed-pwd [:salted "foo"]))
|
||||
|
||||
(deftype AES128Encryptor [header-id keyfn cached-keyfn]
|
||||
(deftype AES128Encryptor [header-id cipher-kit salted-key-fn cached-key-fn]
|
||||
IEncryptor
|
||||
(header-id [_] header-id)
|
||||
(encrypt [_ typed-pwd data-ba]
|
||||
(encrypt [_ typed-pwd plain-ba]
|
||||
(let [[type pwd] (destructure-typed-pwd typed-pwd)
|
||||
salt? (identical? type :salted)
|
||||
iv-ba (rand-bytes aes128-block-size)
|
||||
salt-ba (when salt? (rand-bytes salt-size))
|
||||
prefix-ba (if salt? (enc/ba-concat iv-ba salt-ba) iv-ba)
|
||||
key (if salt?
|
||||
(keyfn salt-ba pwd)
|
||||
(cached-keyfn salt-ba pwd))
|
||||
iv (javax.crypto.spec.IvParameterSpec. iv-ba)
|
||||
cipher (aes128-cipher)]
|
||||
?salt-ba (when salt? (crypto/rand-bytes 16))
|
||||
key-ba
|
||||
(crypto/take-ba 16 ; 128 bit AES
|
||||
(if-let [salt-ba ?salt-ba]
|
||||
(salted-key-fn salt-ba pwd)
|
||||
(cached-key-fn nil pwd)))]
|
||||
|
||||
(.init cipher javax.crypto.Cipher/ENCRYPT_MODE
|
||||
^javax.crypto.spec.SecretKeySpec key iv)
|
||||
(enc/ba-concat prefix-ba (.doFinal cipher data-ba))))
|
||||
(crypto/encrypt
|
||||
{:cipher-kit cipher-kit
|
||||
:?salt-ba ?salt-ba
|
||||
:key-ba key-ba
|
||||
:plain-ba plain-ba})))
|
||||
|
||||
(decrypt [_ typed-pwd ba]
|
||||
(decrypt [_ typed-pwd enc-ba]
|
||||
(let [[type pwd] (destructure-typed-pwd typed-pwd)
|
||||
salt? (identical? type :salted)
|
||||
prefix-size (+ aes128-block-size (if salt? salt-size 0))
|
||||
[prefix-ba data-ba] (enc/ba-split ba prefix-size)
|
||||
[iv-ba salt-ba] (if salt?
|
||||
(enc/ba-split prefix-ba aes128-block-size)
|
||||
[prefix-ba nil])
|
||||
key (if salt?
|
||||
(keyfn salt-ba pwd)
|
||||
(cached-keyfn salt-ba pwd))
|
||||
salt->key-fn
|
||||
(if salt?
|
||||
#(salted-key-fn % pwd)
|
||||
#(cached-key-fn % pwd))]
|
||||
|
||||
iv (javax.crypto.spec.IvParameterSpec. iv-ba)
|
||||
cipher (aes128-cipher)]
|
||||
(crypto/decrypt
|
||||
{:cipher-kit cipher-kit
|
||||
:salt-size (if salt? 16 0)
|
||||
:salt->key-fn salt->key-fn
|
||||
:enc-ba enc-ba}))))
|
||||
|
||||
(.init cipher javax.crypto.Cipher/DECRYPT_MODE
|
||||
^javax.crypto.spec.SecretKeySpec key iv)
|
||||
(.doFinal cipher data-ba))))
|
||||
|
||||
(def aes128-encryptor
|
||||
"Default 128bit AES encryptor with many-round SHA-512 key-gen.
|
||||
(def aes128-gcm-encryptor
|
||||
"Default 128bit AES-GCM encryptor with many-round SHA-512 key-gen.
|
||||
|
||||
Password form [:salted \"my-password\"]
|
||||
---------------------------------------
|
||||
|
|
@ -144,7 +100,18 @@
|
|||
Faster than `aes128-salted`, and harder to attack any particular key - but
|
||||
increased danger if a key is somehow compromised."
|
||||
|
||||
(AES128Encryptor. :aes128-sha512 sha512-key (enc/memoize_ sha512-key)))
|
||||
(AES128Encryptor. :aes128-gcm-sha512
|
||||
crypto/cipher-kit-aes-gcm
|
||||
(do (fn [ salt-ba pwd] (crypto/take-ba 16 (crypto/sha512-key-ba salt-ba pwd (* Short/MAX_VALUE 5)))))
|
||||
(enc/memoize_ (fn [_salt-ba pwd] (crypto/take-ba 16 (crypto/sha512-key-ba nil pwd (* Short/MAX_VALUE 64)))))))
|
||||
|
||||
(def aes128-cbc-encryptor
|
||||
"Default 128bit AES-CBC encryptor with many-round SHA-512 key-gen.
|
||||
See also `aes-128-cbc-encryptor`."
|
||||
(AES128Encryptor. :aes128-cbc-sha512
|
||||
crypto/cipher-kit-aes-cbc
|
||||
(do (fn [ salt-ba pwd] (crypto/take-ba 16 (crypto/sha512-key-ba salt-ba pwd (* Short/MAX_VALUE 5)))))
|
||||
(enc/memoize_ (fn [_salt-ba pwd] (crypto/take-ba 16 (crypto/sha512-key-ba nil pwd (* Short/MAX_VALUE 64)))))))
|
||||
|
||||
;;;; Default implementation
|
||||
|
||||
|
|
|
|||
|
|
@ -3,8 +3,6 @@
|
|||
Used by Carmine, Faraday, etc."
|
||||
(:require [taoensso.nippy :as nippy]))
|
||||
|
||||
;; TODO Switch to thread-local proxies?
|
||||
|
||||
(def ^:dynamic *freeze-opts* nil)
|
||||
(def ^:dynamic *thaw-opts* nil)
|
||||
|
||||
|
|
|
|||
|
|
@ -93,6 +93,9 @@
|
|||
test for pre/post serialization value equality (there's no good general
|
||||
way of doing so)."
|
||||
|
||||
;; TODO Not happy with this approach in general, could do with a refactor.
|
||||
;; Maybe return true/false/nil (nil => maybe)?
|
||||
|
||||
([x] (freezable? x nil))
|
||||
([x {:keys [allow-clojure-reader? allow-java-serializable?]}]
|
||||
(if (is-coll? x)
|
||||
|
|
@ -102,6 +105,7 @@
|
|||
(is? x java.lang.String)
|
||||
(is? x java.lang.Long)
|
||||
(is? x java.lang.Double)
|
||||
(nil? x)
|
||||
|
||||
(is? x clojure.lang.BigInt)
|
||||
(is? x clojure.lang.Ratio)
|
||||
|
|
|
|||
|
|
@ -38,6 +38,9 @@
|
|||
#(freeze % {:password [:salted "p"]}))
|
||||
test-data)))
|
||||
|
||||
(is (= (vec (:objects nippy/stress-data))
|
||||
((comp vec thaw freeze) (:objects nippy/stress-data))))
|
||||
|
||||
(is (= test-data ((comp #(thaw % {:compressor nippy/lzma2-compressor})
|
||||
#(freeze % {:compressor nippy/lzma2-compressor}))
|
||||
test-data)))
|
||||
|
|
@ -74,7 +77,12 @@
|
|||
(thaw (org.xerial.snappy.Snappy/uncompress xerial-ba))
|
||||
(thaw (org.xerial.snappy.Snappy/uncompress iq80-ba))
|
||||
(thaw (org.iq80.snappy.Snappy/uncompress iq80-ba 0 (alength iq80-ba)))
|
||||
(thaw (org.iq80.snappy.Snappy/uncompress xerial-ba 0 (alength xerial-ba)))))))
|
||||
(thaw (org.iq80.snappy.Snappy/uncompress xerial-ba 0 (alength xerial-ba))))))
|
||||
|
||||
(is ; CBC auto-encryptor compatibility
|
||||
(= "payload"
|
||||
(thaw (freeze "payload" {:password [:salted "pwd"] :encryptor nippy/aes128-cbc-encryptor})
|
||||
(do {:password [:salted "pwd"]})))))
|
||||
|
||||
;;;; Custom types & records
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue