code.delx.au - gnu-emacs/blob - lisp/url/url-mailto.el

   1 ;;; url-mail.el --- Mail Uniform Resource Locator retrieval code
   2
   3 ;; Copyright (c) 1996 - 1999 Free Software Foundation, Inc.
   4
   5 ;; Keywords: comm, data, processes
   6
   7 ;; This file is part of GNU Emacs.
   8 ;;
   9 ;; GNU Emacs is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13 ;;
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18 ;;
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Commentary:
  25
  26 ;;; Code:
  27
  28 (require 'url-vars)
  29 (require 'url-parse)
  30 (require 'url-util)
  31
  32 ;;;###autoload
  33 (defun url-mail (&rest args)
  34   (interactive "P")
  35   (if (fboundp 'message-mail)
  36       (apply 'message-mail args)
  37     (or (apply 'mail args)
  38         (error "Mail aborted"))))
  39
  40 (defun url-mail-goto-field (field)
  41   (if (not field)
  42       (goto-char (point-max))
  43     (let ((dest nil)
  44           (lim nil)
  45           (case-fold-search t))
  46       (save-excursion
  47         (goto-char (point-min))
  48         (if (re-search-forward (regexp-quote mail-header-separator) nil t)
  49             (setq lim (match-beginning 0)))
  50         (goto-char (point-min))
  51         (if (re-search-forward (concat "^" (regexp-quote field) ":") lim t)
  52             (setq dest (match-beginning 0))))
  53       (if dest
  54           (progn
  55             (goto-char dest)
  56             (end-of-line))
  57         (goto-char lim)
  58         (insert (capitalize field) ": ")
  59         (save-excursion
  60           (insert "\n"))))))
  61
  62 ;;;###autoload
  63 (defun url-mailto (url)
  64   "Handle the mailto: URL syntax."
  65   (if (url-user url)
  66       ;; malformed mailto URL (mailto://wmperry@gnu.org) instead of
  67       ;; mailto:wmperry@gnu.org
  68       (url-set-filename url (concat (url-user url) "@" (url-filename url))))
  69   (setq url (url-filename url))
  70   (let (to args source-url subject func headers-start)
  71     (if (string-match (regexp-quote "?") url)
  72         (setq headers-start (match-end 0)
  73               to (url-unhex-string (substring url 0 (match-beginning 0)))
  74               args (url-parse-query-string
  75                     (substring url headers-start nil) t))
  76       (setq to (url-unhex-string url)))
  77     (setq source-url (url-view-url t))
  78     (if (and url-request-data (not (assoc "subject" args)))
  79         (setq args (cons (list "subject"
  80                                (concat "Automatic submission from "
  81                                        url-package-name "/"
  82                                        url-package-version)) args)))
  83     (if (and source-url (not (assoc "x-url-from" args)))
  84         (setq args (cons (list "x-url-from" source-url) args)))
  85
  86     (if (assoc "to" args)
  87         (push (cdr (assoc "to" args)) to)
  88       (setq args (cons (list "to" to) args)))
  89     (setq subject (cdr-safe (assoc "subject" args)))
  90     (if (fboundp url-mail-command) (funcall url-mail-command) (mail))
  91     (while args
  92       (if (string= (caar args) "body")
  93           (progn
  94             (goto-char (point-max))
  95             (insert (mapconcat 'identity (cdar args) "\n")))
  96         (url-mail-goto-field (caar args))
  97         (setq func (intern-soft (concat "mail-" (caar args))))
  98         (insert (mapconcat 'identity (cdar args) ", ")))
  99       (setq args (cdr args)))
 100     ;; (url-mail-goto-field "User-Agent")
 101 ;;     (insert url-package-name "/" url-package-version " URL/" url-version)
 102     (if (not url-request-data)
 103         (progn
 104           (set-buffer-modified-p nil)
 105           (if subject
 106               (url-mail-goto-field nil)
 107             (url-mail-goto-field "subject")))
 108       (if url-request-extra-headers
 109           (mapconcat
 110            (lambda (x)
 111              (url-mail-goto-field (car x))
 112              (insert (cdr x)))
 113            url-request-extra-headers ""))
 114       (goto-char (point-max))
 115       (insert url-request-data)
 116       ;; It seems Microsoft-ish to send without warning.
 117       ;; Fixme: presumably this should depend on a privacy setting.
 118       (if (y-or-n-p "Send this auto-generated mail? ")
 119           (cond ((eq url-mail-command 'compose-mail)
 120                  (funcall (get mail-user-agent 'sendfunc) nil))
 121                 ;; otherwise, we can't be sure
 122                 ((fboundp 'message-send-and-exit)
 123                  (message-send-and-exit))
 124                 (t (mail-send-and-exit nil)))))
 125     nil))
 126
 127 (provide 'url-mailto)
 128
 129 ;; arch-tag: 7b7ad52e-8760-497b-9444-75fae14e34c5
 130 ;;; url-mailto.el ends here