lisp/url/url-mailto.el

   1 ;;; url-mail.el --- Mail Uniform Resource Locator retrieval code
   2
   3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2004,
   4 ;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   5
   6 ;; Keywords: comm, data, processes
   7
   8 ;; This file is part of GNU Emacs.
   9 ;;
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 3, or (at your option)
  13 ;; any later version.
  14 ;;
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19 ;;
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  23 ;; Boston, MA 02110-1301, USA.
  24
  25 ;;; Commentary:
  26
  27 ;;; Code:
  28
  29 (require 'url-vars)
  30 (require 'url-parse)
  31 (require 'url-util)
  32
  33 ;;;###autoload
  34 (defun url-mail (&rest args)
  35   (interactive "P")
  36   (if (fboundp 'message-mail)
  37       (apply 'message-mail args)
  38     (or (apply 'mail args)
  39         (error "Mail aborted"))))
  40
  41 (defun url-mail-goto-field (field)
  42   (if (not field)
  43       (goto-char (point-max))
  44     (let ((dest nil)
  45           (lim nil)
  46           (case-fold-search t))
  47       (save-excursion
  48         (goto-char (point-min))
  49         (if (re-search-forward (regexp-quote mail-header-separator) nil t)
  50             (setq lim (match-beginning 0)))
  51         (goto-char (point-min))
  52         (if (re-search-forward (concat "^" (regexp-quote field) ":") lim t)
  53             (setq dest (match-beginning 0))))
  54       (if dest
  55           (progn
  56             (goto-char dest)
  57             (end-of-line))
  58         (goto-char lim)
  59         (insert (capitalize field) ": ")
  60         (save-excursion
  61           (insert "\n"))))))
  62
  63 (declare-function mail-send-and-exit "sendmail")
  64
  65 ;;;###autoload
  66 (defun url-mailto (url)
  67   "Handle the mailto: URL syntax."
  68   (if (url-user url)
  69       ;; malformed mailto URL (mailto://wmperry@gnu.org) instead of
  70       ;; mailto:wmperry@gnu.org
  71       (setf (url-filename url) (concat (url-user url) "@" (url-filename url))))
  72   (setq url (url-filename url))
  73   (let (to args source-url subject func headers-start)
  74     (if (string-match (regexp-quote "?") url)
  75         (setq headers-start (match-end 0)
  76               to (url-unhex-string (substring url 0 (match-beginning 0)))
  77               args (url-parse-query-string
  78                     (substring url headers-start nil) t t))
  79       (setq to (url-unhex-string url)))
  80     (setq source-url (url-view-url t))
  81     (if (and url-request-data (not (assoc "subject" args)))
  82         (setq args (cons (list "subject"
  83                                (concat "Automatic submission from "
  84                                        url-package-name "/"
  85                                        url-package-version)) args)))
  86     (if (and source-url (not (assoc "x-url-from" args)))
  87         (setq args (cons (list "x-url-from" source-url) args)))
  88
  89     (let ((tolist (assoc "to" args)))
  90       (if tolist
  91           (if (not (string= to ""))
  92               (setcdr tolist
  93                       (list (concat to ", " (cadr tolist)))))
  94         (setq args (cons (list "to" to) args))))
  95
  96     (setq subject (cdr-safe (assoc "subject" args)))
  97     (if (eq url-mail-command 'compose-mail)
  98         (compose-mail nil nil nil 'new)
  99       (if (eq url-mail-command 'mail)
 100           (mail 'new)
 101         (funcall url-mail-command)))
 102     (while args
 103       (if (string= (caar args) "body")
 104           (progn
 105             (goto-char (point-min))
 106             (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
 107                 (goto-char (point-max)))
 108             (insert (mapconcat
 109                      #'(lambda (string)
 110                          (replace-regexp-in-string "\r\n" "\n" string))
 111                      (cdar args) "\n")))
 112         (url-mail-goto-field (caar args))
 113         (setq func (intern-soft (concat "mail-" (caar args))))
 114         (insert (mapconcat 'identity (cdar args) ", ")))
 115       (setq args (cdr args)))
 116     ;; (url-mail-goto-field "User-Agent")
 117 ;;     (insert url-package-name "/" url-package-version " URL/" url-version)
 118     (if (not url-request-data)
 119         (progn
 120           (set-buffer-modified-p nil)
 121           (if subject
 122               (url-mail-goto-field nil)
 123             (url-mail-goto-field "subject")))
 124       (if url-request-extra-headers
 125           (mapconcat
 126            (lambda (x)
 127              (url-mail-goto-field (car x))
 128              (insert (cdr x)))
 129            url-request-extra-headers ""))
 130       (goto-char (point-max))
 131       (insert url-request-data)
 132       ;; It seems Microsoft-ish to send without warning.
 133       ;; Fixme: presumably this should depend on a privacy setting.
 134       (if (y-or-n-p "Send this auto-generated mail? ")
 135           (let ((buffer (current-buffer)))
 136             (cond ((eq url-mail-command 'compose-mail)
 137                    (funcall (get mail-user-agent 'sendfunc) nil))
 138                   ;; otherwise, we can't be sure
 139                   ((fboundp 'message-send-and-exit)
 140                    (message-send-and-exit))
 141                   (t (mail-send-and-exit nil)))
 142             (kill-buffer buffer))))
 143     nil))
 144
 145 (provide 'url-mailto)
 146
 147 ;; arch-tag: 7b7ad52e-8760-497b-9444-75fae14e34c5
 148 ;;; url-mailto.el ends here