GNU bug report logs - #16198
24.3.50; [PATCH 1/2] eww: Does not support file upload.

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From: Kenjiro NAKAYAMA <nakayamakenjiro <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Kenjiro NAKAYAMA <nakayamakenjiro <at> gmail.com>, 16198 <at> debbugs.gnu.org
Subject: bug#16198: 24.3.50; [PATCH 1/2] eww: Does not support file upload.
Date: Wed, 25 Dec 2013 13:29:29 +0900

> This is not the Emacs parenthesis style.  All the closing parentheses
> should be on the same line.  And there's a superfluous `concat' there...

Thank you Lars and Ted,
Since I fixed the patches, I send again.

Signed-off-by: Kenjiro NAKAYAMA <nakayamakenjiro <at> gmail.com>

        * gnus/mm-url.el (mm-url-encode-multipart-form-data):
          Restore to handle "maltipart/form-data" by eww.
        * net/eww.el(eww-form-file(defface)): New defface of file upload form.
        (eww-submit-file): New key map of file upload.
        (eww-form-file): New file upload button and file name context.
        (eww-select-file): Select file and display selected file name.
        (eww-tag-input): Handle input tag of file type.
        (eww-update-field): Add point offset.
        (eww-submit): Add submit with multipart/form-data.

---
 lisp/gnus/mm-url.el | 45 +++++++++++++++++++++++--
 lisp/net/eww.el     | 97 +++++++++++++++++++++++++++++++++++++++++++++--------
 2 files changed, 126 insertions(+), 16 deletions(-)

diff --git a/lisp/gnus/mm-url.el b/lisp/gnus/mm-url.el
index 6e83b18..9deb160 100644
--- a/lisp/gnus/mm-url.el
+++ b/lisp/gnus/mm-url.el
@@ -416,13 +416,54 @@ spaces.  Die Die Die."

 (autoload 'mml-compute-boundary "mml")

+(defun mm-url-encode-multipart-form-data (pairs &optional boundary)
+  "Return PAIRS encoded in multipart/form-data."
+  ;; RFC1867
+  ;; Get a good boundary
+  (unless boundary
+    (setq boundary (mml-compute-boundary '())))
+  (concat
+   ;; Start with the boundary
+   "--" boundary "\r\n"
+   ;; Create name value pairs
+   (mapconcat
+    'identity
+    ;; Delete any returned items that are empty
+    (delq nil
+          (mapcar (lambda (data)
+                    (cond ((equal (car data) "file")
+                           ;; For each pair
+                           (concat
+                            ;; Encode the name
+                            "Content-Disposition: form-data; name=\"" (cdr (assoc "name" (cdr data))) "\"; filename=\"" (cdr (assoc "filename" (cdr data))) "\"\r\n"
+                            "Content-Type: text/plain; charset=utf-8\r\n"
+                            "Content-Transfer-Encoding: binary\r\n\r\n"
+                            (cond ((stringp (cdr (assoc "filedata" (cdr data))))
+                                   (cdr (assoc "filedata" (cdr data))))
+                                  ((integerp (cdr (assoc "filedata" (cdr data))))
+                                   (int-to-string (cdr (assoc "filedata" (cdr data))))))
+                            "\r\n"))
+                          ((equal (car data) "submit")
+                           (concat
+                            "Content-Disposition: form-data; name=\"submit\"\r\n\r\n"
+                            "Submit"))
+                          (t
+                           (concat
+                            "Content-Disposition: form-data;name=" (car data) "\r\n\r\n"
+							(mm-url-form-encode-xwfu (cdr data))))))
+                  pairs))
+    ;; use the boundary as a separator
+    (concat "\r\n--" boundary "\r\n"))
+   ;; put a boundary at the end.
+   "--" boundary "--\r\n"))
+
 (defun mm-url-remove-markup ()
   "Remove all HTML markup, leaving just plain text."
   (goto-char (point-min))
   (while (search-forward "<!--" nil t)
     (delete-region (match-beginning 0)
-		   (or (search-forward "-->" nil t)
-		       (point-max))))
+				   (or (search-forward "-->" nil t)
+                       (point-max))))
   (goto-char (point-min))
   (while (re-search-forward "<[^>]+>" nil t)
     (replace-match "" t t)))


     --- [1/2] ---

larsi <at> gnus.org writes:

> Kenjiro NAKAYAMA <nakayamakenjiro <at> gmail.com> writes:
>
>> This report includes a patch to eww file upload. Please, review and
>> install it to the official tree if appreciated.
>
> It sounds like useful functionality, but Emacs went into feature freeze
> yesterday, so it'll have to wait until Emacs thaws again.
>
> Comment about the code:
>
>> +                           (concat
>> +                            "Content-Disposition: form-data;name=" (car data) "\r\n\r\n"
>> +                            (concat (mm-url-form-encode-xwfu (cdr data))
>> +                                    )))
>> +                          ))
>
> This is not the Emacs parenthesis style.  All the closing parentheses
> should be on the same line.  And there's a superfluous `concat' there...

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