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remove unused code, tidy string parsing

This commit is contained in:
Daniel Barlow 2024-08-28 07:20:07 +01:00
parent 9041d5d63a
commit 41733e58d6
1 changed files with 5 additions and 13 deletions
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18
pkgs/tangc/tangc.fnl
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@ -13,23 +13,18 @@
(pid status) (rshift (band status 0xff00) 8) (pid status) (rshift (band status 0xff00) 8)
(nil errno) (error (.. "waitpid: " errno)))) (nil errno) (error (.. "waitpid: " errno))))
(fn min [a b] (if (< a b) a b))
(fn trace [s] (print :TRACE s) s)
(fn write-all [fd str] (fn write-all [fd str]
(let [written (ll.write fd str)] (let [written (ll.write fd str)]
(if (< written (# str)) (if (< written (# str))
(write-all fd (string.sub str (+ written 1) -1))))) (write-all fd (string.sub str (+ written 1) -1)))))
(fn jose [params inputstr] (fn jose [params inputstr]
(let [env (ll.environ) (let [env (ll.environ)
(pid in out) (popen2 (os.getenv "JOSE_BIN") params env)] (pid in out) (popen2 (os.getenv "JOSE_BIN") params env)]
;(print "exec " (os.getenv "JOSE_BIN") (view params)) ;; be careful if using this code for commands othert than jose: it
;(print "writing") ;; may deadlock if we write more than 8k and the command doesn't
;; read it.
(when inputstr (write-all in inputstr)) (when inputstr (write-all in inputstr))
;(print :written)
(ll.close in) (ll.close in)
(let [output (let [output
(accumulate [o "" (accumulate [o ""
@ -64,7 +59,7 @@
(fn jwe-dec [jwk ph undigested] (fn jwe-dec [jwk ph undigested]
(let [(exitcode plaintext) (let [(exitcode plaintext)
(jose ["jose" "jwe" "dec" "-k-" "-i-"] (jose ["jose" "jwe" "dec" "-k-" "-i-"]
(.. (json.encode jwk) ph undigested))] (.. (json.encode jwk) ph "." undigested))]
(if (= exitcode 0) (if (= exitcode 0)
plaintext plaintext
(error (.. "Error calling jwe dec: " exitcode " / " plaintext ))))) (error (.. "Error calling jwe dec: " exitcode " / " plaintext )))))
@ -94,13 +89,10 @@
"application/x-www-form-urlencoded" "application/x-www-form-urlencoded"
body))) body)))
(fn run [] (fn run []
(let [b64 (base64 :url) (let [b64 (base64 :url)
raw (: (io.input) :read "*a") raw (: (io.input) :read "*a")
dot (string.find raw "." 1 true) (_ _ ph undigested) (string.find raw "(.-)%.(.+)")
ph (string.sub raw 1 dot)
undigested (string.sub raw (+ 1 dot) -1)
jwe (json.decode (b64:decode ph)) jwe (json.decode (b64:decode ph))
{ : srv : crv : clt : kid : url} (parse-jwe jwe) { : srv : crv : clt : kid : url} (parse-jwe jwe)
eph (jwk-generate crv) eph (jwk-generate crv)