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(.module:
[lux #*
["." host (#+ import:)]
[abstract
[monad (#+ do)]]
[control
["." io (#+ IO)]
["." try (#+ Try)]
["." exception (#+ exception:)]
[concurrency
["." promise (#+ Promise)]
["." stm]]]
[data
["." binary (#+ Binary)]
["." text
["%" format (#+ format)]]
[number
["n" nat]]]
[tool
[compiler
["." version]
["." language #_
["#/." lux #_
["#" version]]]]]
[world
[net (#+ URL)
["." uri (#+ URI)]]]]
["." / #_
["#." identity (#+ Identity)]
["/#" // #_
["#." artifact (#+ Artifact)
["#/." extension (#+ Extension)]]]])
(type: #export Address
URL)
(signature: #export (Repository !)
(: (-> URI (! (Try Binary)))
download)
(: (-> URI Binary (! (Try Any)))
upload))
(def: #export (async repository)
(-> (Repository IO) (Repository Promise))
(structure
(def: (download uri)
(promise.future (\ repository download uri)))
(def: (upload uri content)
(promise.future (\ repository upload uri content)))
))
(signature: #export (Simulation s)
(: (-> URI s (Try [s Binary]))
on-download)
(: (-> URI Binary s (Try s))
on-upload))
(def: #export (mock simulation init)
(All [s] (-> (Simulation s) s (Repository Promise)))
(let [state (stm.var init)]
(structure
(def: (download uri)
(stm.commit
(do {! stm.monad}
[|state| (stm.read state)]
(case (\ simulation on-download uri |state|)
(#try.Success [|state| output])
(do !
[_ (stm.write |state| state)]
(wrap (#try.Success output)))
(#try.Failure error)
(wrap (#try.Failure error))))))
(def: (upload uri content)
(stm.commit
(do {! stm.monad}
[|state| (stm.read state)]
(case (\ simulation on-upload uri content |state|)
(#try.Success |state|)
(do !
[_ (stm.write |state| state)]
(wrap (#try.Success [])))
(#try.Failure error)
(wrap (#try.Failure error))))))
)))
(import: java/lang/String)
(import: java/lang/AutoCloseable
["#::."
(close [] #io #try void)])
(import: java/io/InputStream)
(import: java/io/OutputStream
["#::."
(flush [] #io #try void)
(write [[byte]] #io #try void)])
(import: java/net/URLConnection
["#::."
(setDoOutput [boolean] #io #try void)
(setRequestProperty [java/lang/String java/lang/String] #io #try void)
(getInputStream [] #io #try java/io/InputStream)
(getOutputStream [] #io #try java/io/OutputStream)])
(import: java/net/HttpURLConnection
["#::."
(setRequestMethod [java/lang/String] #io #try void)
(getResponseCode [] #io #try int)])
(import: java/net/URL
["#::."
(new [java/lang/String])
(openConnection [] #io #try java/net/URLConnection)])
(import: java/io/BufferedInputStream
["#::."
(new [java/io/InputStream])
(read [[byte] int int] #io #try int)])
(exception: #export (no-credentials {address Address})
(exception.report
["Address" (%.text address)]))
(exception: #export (deployment-failure {code Int})
(exception.report
["Code" (%.int code)]))
(def: #export (uri artifact extension)
(-> Artifact Extension URI)
(format (//artifact.uri artifact) extension))
(def: buffer-size
(n.* 512 1,024))
(def: user-agent
(format "LuxAedifex/" (version.format language/lux.version)))
(structure: #export (remote identity address)
(All [s] (-> (Maybe Identity) Address (Repository IO)))
(def: (download uri)
(do {! (try.with io.monad)}
[connection (|> (format address uri)
java/net/URL::new
java/net/URL::openConnection)
#let [connection (:coerce java/net/HttpURLConnection connection)]
_ (java/net/HttpURLConnection::setRequestMethod "GET" connection)
_ (java/net/URLConnection::setRequestProperty "User-Agent" ..user-agent connection)
input (|> connection
java/net/URLConnection::getInputStream
(\ ! map (|>> java/io/BufferedInputStream::new)))
#let [buffer (binary.create ..buffer-size)]]
(loop [output (\ binary.monoid identity)]
(do !
[bytes-read (java/io/BufferedInputStream::read buffer +0 (.int ..buffer-size) input)]
(case bytes-read
-1 (do !
[_ (java/lang/AutoCloseable::close input)]
(wrap output))
_ (if (n.= ..buffer-size bytes-read)
(recur (\ binary.monoid compose output buffer))
(do !
[chunk (\ io.monad wrap (binary.slice 0 (.nat bytes-read) buffer))]
(recur (\ binary.monoid compose output chunk)))))))))
(def: (upload uri content)
(case identity
#.None
(\ io.monad wrap (exception.throw ..no-credentials [address]))
(#.Some [user password])
(do (try.with io.monad)
[connection (|> (format address uri)
java/net/URL::new
java/net/URL::openConnection)
#let [connection (:coerce java/net/HttpURLConnection connection)]
_ (java/net/HttpURLConnection::setRequestMethod "PUT" connection)
_ (java/net/URLConnection::setDoOutput true connection)
_ (java/net/URLConnection::setRequestProperty "Authorization" (/identity.basic-auth user password) connection)
stream (java/net/URLConnection::getOutputStream connection)
_ (java/io/OutputStream::write content stream)
_ (java/io/OutputStream::flush stream)
_ (java/lang/AutoCloseable::close stream)
code (java/net/HttpURLConnection::getResponseCode connection)]
(case code
+201 (wrap [])
_ (\ io.monad wrap (exception.throw ..deployment-failure [code]))))))
)
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