Commit | Line | Data |
---|---|---|
23f87bed | 1 | ;;; mm-extern.el --- showing message/external-body |
e84b4b86 | 2 | |
ba318903 | 3 | ;; Copyright (C) 2000-2014 Free Software Foundation, Inc. |
23f87bed MB |
4 | |
5 | ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu> | |
6 | ;; Keywords: message external-body | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
5e809f55 GM |
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 of the License, or | |
13 | ;; (at your option) any later version. | |
23f87bed | 14 | |
5e809f55 GM |
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. | |
23f87bed MB |
19 | |
20 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
23f87bed MB |
22 | |
23 | ;;; Commentary: | |
24 | ||
25 | ;;; Code: | |
26 | ||
27 | (eval-when-compile (require 'cl)) | |
28 | ||
29 | (require 'mm-util) | |
30 | (require 'mm-decode) | |
31 | (require 'mm-url) | |
32 | ||
0654efe0 JB |
33 | (defvar gnus-article-mime-handles) |
34 | ||
23f87bed MB |
35 | (defvar mm-extern-function-alist |
36 | '((local-file . mm-extern-local-file) | |
37 | (url . mm-extern-url) | |
38 | (anon-ftp . mm-extern-anon-ftp) | |
39 | (ftp . mm-extern-ftp) | |
40 | ;;; (tftp . mm-extern-tftp) | |
41 | (mail-server . mm-extern-mail-server) | |
42 | ;;; (afs . mm-extern-afs)) | |
43 | )) | |
44 | ||
45 | (defvar mm-extern-anonymous "anonymous") | |
46 | ||
47 | (defun mm-extern-local-file (handle) | |
48 | (erase-buffer) | |
49 | (let ((name (cdr (assq 'name (cdr (mm-handle-type handle))))) | |
50 | (coding-system-for-read mm-binary-coding-system)) | |
51 | (unless name | |
52 | (error "The filename is not specified")) | |
53 | (mm-disable-multibyte) | |
54 | (if (file-exists-p name) | |
55 | (mm-insert-file-contents name nil nil nil nil t) | |
d7cd3710 | 56 | (error "File %s is gone" name)))) |
23f87bed MB |
57 | |
58 | (defun mm-extern-url (handle) | |
59 | (erase-buffer) | |
60 | (let ((url (cdr (assq 'url (cdr (mm-handle-type handle))))) | |
61 | (name buffer-file-name) | |
62 | (coding-system-for-read mm-binary-coding-system)) | |
63 | (unless url | |
64 | (error "URL is not specified")) | |
23f87bed | 65 | (mm-disable-multibyte) |
3d73e841 | 66 | (mm-url-insert-file-contents url) |
23f87bed MB |
67 | (setq buffer-file-name name))) |
68 | ||
69 | (defun mm-extern-anon-ftp (handle) | |
70 | (erase-buffer) | |
71 | (let* ((params (cdr (mm-handle-type handle))) | |
72 | (name (cdr (assq 'name params))) | |
73 | (site (cdr (assq 'site params))) | |
74 | (directory (cdr (assq 'directory params))) | |
75 | (mode (cdr (assq 'mode params))) | |
76 | (path (concat "/" (or mm-extern-anonymous | |
77 | (read-string (format "ID for %s: " site))) | |
78 | "@" site ":" directory "/" name)) | |
79 | (coding-system-for-read mm-binary-coding-system)) | |
80 | (unless name | |
81 | (error "The filename is not specified")) | |
82 | (mm-disable-multibyte) | |
83 | (mm-insert-file-contents path nil nil nil nil t))) | |
84 | ||
85 | (defun mm-extern-ftp (handle) | |
86 | (let (mm-extern-anonymous) | |
87 | (mm-extern-anon-ftp handle))) | |
88 | ||
acab4d4b | 89 | (declare-function message-goto-body "message" ()) |
f72f1503 | 90 | |
23f87bed MB |
91 | (defun mm-extern-mail-server (handle) |
92 | (require 'message) | |
93 | (let* ((params (cdr (mm-handle-type handle))) | |
94 | (server (cdr (assq 'server params))) | |
95 | (subject (or (cdr (assq 'subject params)) "none")) | |
96 | (buf (current-buffer)) | |
97 | info) | |
5dab7628 | 98 | (if (y-or-n-p (format "Send a request message to %s? " server)) |
23f87bed MB |
99 | (save-window-excursion |
100 | (message-mail server subject) | |
101 | (message-goto-body) | |
102 | (delete-region (point) (point-max)) | |
103 | (insert-buffer-substring buf) | |
104 | (message "Requesting external body...") | |
105 | (message-send-and-exit) | |
106 | (setq info "Request is sent.") | |
107 | (message info)) | |
108 | (setq info "Request is not sent.")) | |
109 | (goto-char (point-min)) | |
110 | (insert "[" info "]\n\n"))) | |
111 | ||
112 | ;;;###autoload | |
531bedc3 MB |
113 | (defun mm-extern-cache-contents (handle) |
114 | "Put the external-body part of HANDLE into its cache." | |
23f87bed MB |
115 | (let* ((access-type (cdr (assq 'access-type |
116 | (cdr (mm-handle-type handle))))) | |
117 | (func (cdr (assq (intern | |
118 | (downcase | |
119 | (or access-type | |
120 | (error "Couldn't find access type")))) | |
121 | mm-extern-function-alist))) | |
3d73e841 | 122 | handles) |
531bedc3 MB |
123 | (unless func |
124 | (error "Access type (%s) is not supported" access-type)) | |
125 | (mm-with-part handle | |
126 | (goto-char (point-max)) | |
127 | (insert "\n\n") | |
128 | ;; It should be just a single MIME handle. | |
129 | (setq handles (mm-dissect-buffer t))) | |
130 | (unless (bufferp (car handles)) | |
131 | (mm-destroy-parts handles) | |
132 | (error "Multipart external body is not supported")) | |
3d73e841 | 133 | (with-current-buffer (mm-handle-buffer handles) |
531bedc3 MB |
134 | (let (good) |
135 | (unwind-protect | |
136 | (progn | |
137 | (funcall func handle) | |
138 | (setq good t)) | |
139 | (unless good | |
140 | (mm-destroy-parts handles)))) | |
141 | (mm-handle-set-cache handle handles)) | |
142 | (setq gnus-article-mime-handles | |
143 | (mm-merge-handles gnus-article-mime-handles handles)))) | |
144 | ||
145 | ;;;###autoload | |
146 | (defun mm-inline-external-body (handle &optional no-display) | |
147 | "Show the external-body part of HANDLE. | |
148 | This function replaces the buffer of HANDLE with a buffer contains | |
149 | the entire message. | |
150 | If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing." | |
151 | (unless (mm-handle-cache handle) | |
152 | (mm-extern-cache-contents handle)) | |
153 | (unless no-display | |
154 | (save-excursion | |
155 | (save-restriction | |
156 | (narrow-to-region (point) (point)) | |
163cb72d MB |
157 | (mm-display-part (mm-handle-cache handle)))) |
158 | ;; Move undisplayer added to the cached handle to the parent. | |
159 | (mm-handle-set-undisplayer | |
160 | handle (mm-handle-undisplayer (mm-handle-cache handle))) | |
161 | (mm-handle-set-undisplayer (mm-handle-cache handle) nil))) | |
23f87bed MB |
162 | |
163 | (provide 'mm-extern) | |
164 | ||
23f87bed | 165 | ;;; mm-extern.el ends here |