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;;; Weeb --- Web microframework for GNU Guile
;;; Copyright © 2026 Jakob Kreuze <zerodaysfordays@sdf.org>
;;;
;;; This file is part of Weeb.
;;;
;;; Weeb is free software: you can redistribute it and/or modify it
;;; under the terms of the GNU Affero General Public License as
;;; published by the Free Software Foundation, either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; Weeb is distributed in the hope that it will be useful, but WITHOUT
;;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
;;; Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with Weeb. If not, see <https://www.gnu.org/licenses/>.
(define-module (weeb request)
#:use-module (ice-9 match)
#:use-module (weeb struct)
#:export (<request>
urldecode
parse-form-urlencoded))
(define-struct <request>
method uri parameters headers body)
(define (urldecode str)
(let loop ((i 0) (acc ""))
(cond
((>= i (string-length str)) acc)
((char=? (string-ref str i) #\+)
(loop (+ i 1) (string-append acc " ")))
((and (char=? (string-ref str i) #\%)
(<= (+ i 2) (string-length str)))
(let* ((hex-part (substring str (+ i 1) (+ i 3)))
(code (string->number hex-part 16)))
(if code
(loop (+ i 3) (string-append acc (string (integer->char code))))
(loop (+ i 1) (string-append acc (string (string-ref str i)))))))
(else
(loop (+ i 1) (string-append acc (string (string-ref str i))))))))
(define (parse-form-urlencoded encoded)
(map (lambda (encoded-pair)
(match (map urldecode (string-split encoded-pair #\=))
((key value) `(,key . ,value))))
(filter (lambda (x) (not (zero? (string-length x))))
(string-split encoded #\&))))
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© 2015 - 2026 Jakob L. Kreuze
