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Support multiple sessions

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This commit is contained in:
Michiel Borkent 2020-03-29 14:01:30 +02:00
parent 313971d0d7
commit 34d36d56ba
1 changed files with 40 additions and 33 deletions
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73
examples/notes.clj
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@ -13,9 +13,14 @@
(def notes-file (io/file (System/getProperty "user.home") ".notes" "notes.txt"))
(io/make-parents notes-file)
(def file-lock (Object.))
;; ensure notes file exists
(spit notes-file "" :append true)
(defn write-note! [note]
(locking file-lock
(spit notes-file (str note "\n") :append true)))
;; hiccup-like
(defn html [v]
(cond (vector? v)
@ -101,38 +106,40 @@
;; run the server
(with-open [server-socket (let [s (new ServerSocket 8080)]
(println "Server started on port 8080.")
s)
client-socket (.accept server-socket)]
s)]
(loop []
(let [out (io/writer (.getOutputStream client-socket))
is (.getInputStream client-socket)
in (io/reader is)
[_req & headers :as response]
(loop [headers []]
(let [line (.readLine in)]
(if (str/blank? line)
headers
(recur (conj headers line)))))
session-id (get-session-id headers)
form-data (let [sb (StringBuilder.)]
(loop []
(when (.ready in)
(.append sb (char (.read in)))
(recur)))
(-> (str sb)
(java.net.URLDecoder/decode)))
_ (when debug? (println (str/join "\n" response)))
_ (when-not (str/blank? form-data)
(when debug? (println form-data))
(let [note (str/replace form-data "note=" "")]
(spit notes-file (str note "\n") :append true)))
_ (when debug? (println))]
(cond
;; if we didn't see this session before, we want the user to re-authenticate
(not (contains? @known-sessions session-id))
(let [uuid (new-session!)]
(basic-auth-response out uuid))
(not (authenticate! session-id headers))
(basic-auth-response out session-id)
:else (home-response out session-id)))
(let [client-socket (.accept server-socket)]
(future
(with-open [conn client-socket]
(let [out (io/writer (.getOutputStream conn))
is (.getInputStream conn)
in (io/reader is)
[_req & headers :as response]
(loop [headers []]
(let [line (.readLine in)]
(if (str/blank? line)
headers
(recur (conj headers line)))))
session-id (get-session-id headers)
form-data (let [sb (StringBuilder.)]
(loop []
(when (.ready in)
(.append sb (char (.read in)))
(recur)))
(-> (str sb)
(java.net.URLDecoder/decode)))
_ (when debug? (println (str/join "\n" response)))
_ (when-not (str/blank? form-data)
(when debug? (println form-data))
(let [note (str/replace form-data "note=" "")]
(write-note! note)))
_ (when debug? (println))]
(cond
;; if we didn't see this session before, we want the user to re-authenticate
(not (contains? @known-sessions session-id))
(let [uuid (new-session!)]
(basic-auth-response out uuid))
(not (authenticate! session-id headers))
(basic-auth-response out session-id)
:else (home-response out session-id))))))
(recur)))