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Randomly select queries; return proper md5

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Jaidyn Ann 2023-08-08 11:49:53 -05:00
parent a49878d3de
commit 641ae57dbb
1 changed files with 28 additions and 16 deletions
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42
kaptchapelo.lisp
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@ -28,45 +28,57 @@
collect (format nil "~2,'0X" byte))))) collect (format nil "~2,'0X" byte)))))
(defun new-captcha-json () (defun random-file (directory &key (file-ext ""))
(alexandria:random-elt
(directory (str:concat (format nil "~A" directory)
"/*"
(if (not (str:emptyp file-ext))
(str:concat "." file-ext)
"")))))
(defun new-captcha-json (captcha-image-uri captcha-text-file)
"Return the kocaptcha-formed JSON to be returned for a new captcha request." "Return the kocaptcha-formed JSON to be returned for a new captcha request."
(yason:with-output-to-string* () (yason:with-output-to-string* ()
(yason:encode-plist (yason:encode-plist
'("md5" "e" "token" "This_isnt_actually_used_lol" "url" "/bird")))) (list "md5" (byte-array-to-hex-string captcha-text-file)
"url" captcha-image-uri
"token" "This_isnt_actually_used_lol"))))
(defun new-captcha-response () (defun new-captcha-response (captcha-dir)
"Create an HTTP response for use with Clack with a new captcha." "Create an HTTP response for use with Clack with a new captcha."
(let* ((captcha-txt-file (random-file captcha-dir :file-ext "txt"))
(captcha-img-file (str:concat (pathname-name captcha-txt-file) ".png"))
(captcha-md5-str (byte-array-to-hex-string
(md5:md5sum-file captcha-txt-file))))
(list 201 '(:content-type "application/json") (list 201 '(:content-type "application/json")
(list (new-captcha-json)))) (list (new-captcha-json (str:concat "/captcha/" captcha-img-file)
captcha-md5-str)))))
(defun index-response () (defun index-response ()
'(201 (:content-type "text/plain") ("You’ve installed Kaptĉapelo! Good work, guy!"))) '(201 (:content-type "text/plain") #p"kaptchapelo.lisp"))
;; '(201 (:content-type "text/plain") ("You’ve installed Kaptĉapelo! Good work, guy!")))
(defun 404-response () (defun 404-response ()
'(404 (:content-type "text/plain") ("No such page."))) '(404 (:content-type "text/plain") ("No such page.")))
(defun server (env) (defun server (env captcha-dir)
(let* ((uri (quri:uri (getf env :request-uri))) (let* ((uri (quri:uri (getf env :request-uri)))
(params (quri:uri-query-params uri))) (params (quri:uri-query-params uri)))
(format 't (quri:uri-path uri))
(cond ((string= (quri:uri-path uri) "/new") (cond ((string= (quri:uri-path uri) "/new")
(new-captcha-response)) (new-captcha-response captcha-dir))
((or (string= (quri:uri-path uri) "/") ((or (string= (quri:uri-path uri) "/")
(string= (quri:uri-path uri) "/index.html")) (string= (quri:uri-path uri) "/index.html"))
(index-response)) (index-response))
('t ('t
(404-response)) (404-response)))))
;; At any other path, give control back over to the user’s server
(or (and clack-app (funcall clack-app env))))))
(defun start-server (&key (captcha-directory #p"captcha/"))
(defun start-server ()
(clack:clackup (clack:clackup
(lambda (env) (lambda (env)
(funcall #'server env)))) (funcall #'server env captcha-directory))))