lisp/url/url-mailto.el

   1 ;;; url-mail.el --- Mail Uniform Resource Locator retrieval code
   2 ;; Author: $Author: fx $
   3 ;; Created: $Date: 2001/10/05 17:04:06 $
   4 ;; Version: $Revision: 1.4 $
   5 ;; Keywords: comm, data, processes
   6
   7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
   8 ;;; Copyright (c) 1993 - 1996 by William M. Perry <wmperry@cs.indiana.edu>
   9 ;;; Copyright (c) 1996 - 1999 Free Software Foundation, Inc.
  10 ;;;
  11 ;;; This file is part of GNU Emacs.
  12 ;;;
  13 ;;; GNU Emacs is free software; you can redistribute it and/or modify
  14 ;;; it under the terms of the GNU General Public License as published by
  15 ;;; the Free Software Foundation; either version 2, or (at your option)
  16 ;;; any later version.
  17 ;;;
  18 ;;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;;; GNU General Public License for more details.
  22 ;;;
  23 ;;; You should have received a copy of the GNU General Public License
  24 ;;; along with GNU Emacs; see the file COPYING.  If not, write to the
  25 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  26 ;;; Boston, MA 02111-1307, USA.
  27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  28
  29 (eval-when-compile (require 'cl))
  30 (require 'url-vars)
  31 (require 'url-parse)
  32 (require 'url-util)
  33
  34 ;;;###autoload
  35 (defun url-mail (&rest args)
  36   (interactive "P")
  37   (if (fboundp 'message-mail)
  38       (apply 'message-mail args)
  39     (or (apply 'mail args)
  40         (error "Mail aborted"))))
  41
  42 (defun url-mail-goto-field (field)
  43   (if (not field)
  44       (goto-char (point-max))
  45     (let ((dest nil)
  46           (lim nil)
  47           (case-fold-search t))
  48       (save-excursion
  49         (goto-char (point-min))
  50         (if (re-search-forward (regexp-quote mail-header-separator) nil t)
  51             (setq lim (match-beginning 0)))
  52         (goto-char (point-min))
  53         (if (re-search-forward (concat "^" (regexp-quote field) ":") lim t)
  54             (setq dest (match-beginning 0))))
  55       (if dest
  56           (progn
  57             (goto-char dest)
  58             (end-of-line))
  59         (goto-char lim)
  60         (insert (capitalize field) ": ")
  61         (save-excursion
  62           (insert "\n"))))))
  63
  64 ;;;###autoload
  65 (defun url-mailto (url)
  66   "Handle the mailto: URL syntax."
  67   (if (url-user url)
  68       ;; malformed mailto URL (mailto://wmperry@gnu.org instead of
  69       ;; mailto:wmperry@gnu.org
  70       (url-set-filename url (concat (url-user url) "@" (url-filename url))))
  71   (setq url (url-filename url))
  72   (let (to args source-url subject func headers-start)
  73     (if (string-match (regexp-quote "?") url)
  74         (setq headers-start (match-end 0)
  75               to (url-unhex-string (substring url 0 (match-beginning 0)))
  76               args (url-parse-query-string
  77                     (substring url headers-start nil) t))
  78       (setq to (url-unhex-string url)))
  79     (setq source-url (url-view-url t))
  80     (if (and url-request-data (not (assoc "subject" args)))
  81         (setq args (cons (list "subject"
  82                                (concat "Automatic submission from "
  83                                        url-package-name "/"
  84                                        url-package-version)) args)))
  85     (if (and source-url (not (assoc "x-url-from" args)))
  86         (setq args (cons (list "x-url-from" source-url) args)))
  87
  88     (if (assoc "to" args)
  89         (push to (cdr (assoc "to" args)))
  90       (setq args (cons (list "to" to) args)))
  91     (setq subject (cdr-safe (assoc "subject" args)))
  92     (if (fboundp url-mail-command) (funcall url-mail-command) (mail))
  93     (while args
  94       (if (string= (caar args) "body")
  95           (progn
  96             (goto-char (point-max))
  97             (insert (mapconcat 'identity (cdar args) "\n")))
  98         (url-mail-goto-field (caar args))
  99         (setq func (intern-soft (concat "mail-" (caar args))))
 100         (insert (mapconcat 'identity (cdar args) ", ")))
 101       (setq args (cdr args)))
 102     ;; (url-mail-goto-field "User-Agent")
 103 ;;     (insert url-package-name "/" url-package-version " URL/" url-version)
 104     (if (not url-request-data)
 105         (progn
 106           (set-buffer-modified-p nil)
 107           (if subject
 108               (url-mail-goto-field nil)
 109             (url-mail-goto-field "subject")))
 110       (if url-request-extra-headers
 111           (mapconcat
 112            (lambda (x)
 113              (url-mail-goto-field (car x))
 114              (insert (cdr x)))
 115            url-request-extra-headers ""))
 116       (goto-char (point-max))
 117       (insert url-request-data)
 118       ;; It seems Microsoft-ish to send without warning.
 119       ;; Fixme: presumably this should depend on a privacy setting.
 120       (if (y-or-n-p "Send this auto-generated mail? ")
 121           (cond ((eq url-mail-command 'compose-mail)
 122                  (funcall (get mail-user-agent 'sendfunc) nil))
 123                 ;; otherwise, we can't be sure
 124                 ((fboundp 'message-mail)
 125                  (message-send-and-exit))
 126                 (t (mail-send-and-exit nil)))))
 127     nil))
 128
 129 (provide 'url-mailto)