diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/mail/rfc6068.el | 76 | ||||
| -rw-r--r-- | lisp/net/browse-url.el | 4 | ||||
| -rw-r--r-- | lisp/obsolete/rfc2368.el (renamed from lisp/mail/rfc2368.el) | 1 |
3 files changed, 79 insertions, 2 deletions
diff --git a/lisp/mail/rfc6068.el b/lisp/mail/rfc6068.el new file mode 100644 index 00000000000..6198342116e --- /dev/null +++ b/lisp/mail/rfc6068.el @@ -0,0 +1,76 @@ +;;; rfc6068.el --- support for rfc6068 -*- lexical-binding: t -*- + +;; Copyright (C) 2021 Free Software Foundation, Inc. + +;; Keywords: mail + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; GNU Emacs 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 General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. + +;;; Commentary: +;;; Code: + +(defun rfc6068-unhexify-string (string) + "Unhexify STRING -- e.g. `hello%20there' -> `hello there'." + (decode-coding-string + (with-temp-buffer + (set-buffer-multibyte nil) + (insert string) + (goto-char (point-min)) + (while (re-search-forward "%\\([[:xdigit:]]\\{2\\}\\)" nil t) + (replace-match (string (string-to-number (match-string 1) 16)) t t)) + (buffer-string)) + 'utf-8)) + +(defun rfc6068-parse-mailto-url (mailto-url) + "Parse MAILTO-URL, and return an alist of header-name, header-value pairs. +MAILTO-URL should be a RFC 6068 (mailto) compliant url. A cons cell w/ a +key of `Body' is a special case and is considered a header for this purpose. +The returned alist is intended for use w/ the `compose-mail' interface. +Note: make sure MAILTO-URL has been \"unhtmlized\" (e.g., & -> &), before +calling this function." + (let ((case-fold-search t) + headers-alist) + (setq mailto-url (string-replace "\n" " " mailto-url)) + (when (string-match "^\\(mailto:\\)\\([^?]+\\)?\\(\\?\\(.*\\)\\)*" + mailto-url) + (let ((address (match-string 2 mailto-url)) + (query (match-string 4 mailto-url))) + ;; Build alist of header name-value pairs. + (when query + (setq headers-alist + (mapcar + (lambda (x) + (let* ((pair (split-string x "=")) + (name (car pair)) + (value (cadr pair))) + ;; Return ("Header-Name" . "header-value"). + (cons + (capitalize (rfc6068-unhexify-string name)) + (rfc6068-unhexify-string value)))) + (split-string query "&")))) + + (when address + (setq address (rfc6068-unhexify-string address)) + ;; Deal with multiple 'To' recipients. + (if-let ((elem (assoc "To" headers-alist))) + (setcdr elem (concat address ", " (cdr elem))) + (push (cons "To" address) headers-alist))) + + headers-alist)))) + +(provide 'rfc6068) + +;;; rfc6068.el ends here diff --git a/lisp/net/browse-url.el b/lisp/net/browse-url.el index c8ca70cc1f9..73b8c439f28 100644 --- a/lisp/net/browse-url.el +++ b/lisp/net/browse-url.el @@ -1603,7 +1603,7 @@ used instead of `browse-url-new-window-flag'." ;; --- mailto --- -(autoload 'rfc2368-parse-mailto-url "rfc2368") +(autoload 'rfc6068-parse-mailto-url "rfc2368") ;;;###autoload (defun browse-url-mail (url &optional new-window) @@ -1622,7 +1622,7 @@ When called non-interactively, optional second argument NEW-WINDOW is used instead of `browse-url-new-window-flag'." (interactive (browse-url-interactive-arg "Mailto URL: ")) (save-excursion - (let* ((alist (rfc2368-parse-mailto-url url)) + (let* ((alist (rfc6068-parse-mailto-url url)) (to (assoc "To" alist)) (subject (assoc "Subject" alist)) (body (assoc "Body" alist)) diff --git a/lisp/mail/rfc2368.el b/lisp/obsolete/rfc2368.el index b96f15d3e68..8a842b0cf30 100644 --- a/lisp/mail/rfc2368.el +++ b/lisp/obsolete/rfc2368.el @@ -4,6 +4,7 @@ ;; Author: Sen Nagata <sen@eccosys.com> ;; Keywords: mail +;; Obsolete-since: 28.1 ;; This file is part of GNU Emacs. |