From 2aa6bca29e6a2782a789cdf6fc2cfdfbcb06a628 Mon Sep 17 00:00:00 2001
From: Coin Okay <cbeok@protonmail.com>
Date: Fri, 24 Apr 2020 18:40:48 -0500
Subject: application/x-www-form-urlencoded decoder

---
 decoders.lisp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'decoders.lisp')

diff --git a/decoders.lisp b/decoders.lisp
index d6bb7d6..9878b44 100644
--- a/decoders.lisp
+++ b/decoders.lisp
@@ -114,7 +114,6 @@ becomes   (:content-disposition (:name \"file\" :filename \"mypic.png\"))")
          (<<result parts)))
 
 (defun decode-multipart/form-data (stream content-type content-length)
-  (declare (ignore content-length))
   (let* ((boundary (concatenate 'string "--"
                                 (second (split-sequence:split-sequence #\= content-type))))
          (stream (make-instance 'replay-streams:static-text-replay-stream
@@ -122,3 +121,18 @@ becomes   (:content-disposition (:name \"file\" :filename \"mypic.png\"))")
     (parse stream (<<multipart/form-data boundary))))
 
 (add-decoder "multipart/form-data" #'decode-multipart/form-data)
+
+;;; APPLICATION/X-WWW-FORM-URLENCODED
+
+(defun decode-application/x-www-form-urlencoded (stream content-type content-length)
+  (declare (ignore content-type))
+  (->> (read-body-to-string stream content-length)
+       (split-sequence #\&)
+       (mapcar (lambda (s) (split-sequence #\= s)))
+       (as->* pairs
+              (loop
+                 :for (key undecoded) :in pairs
+                 :appending (list (make-keyword key)
+                                  (urldecode undecoded :queryp t))))))
+
+(add-decoder "application/x-www-form-urlencoded" #'decode-application/x-www-form-urlencoded)
-- 
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