-;;; mm-uu.el -- Return uu stuffs as mm handles
-;; Copyright (c) 1998, 1999, 2000 Free Software Foundation, Inc.
+;;; mm-uu.el --- Return uu stuff as mm handles
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
-;; Keywords: postscript uudecode binhex shar forward gnatsweb pgp
+;; Keywords: postscript uudecode binhex shar forward gnatsweb pgp
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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 2, or (at your option)
-;; any later version.
-;;
+;; 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; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
-
;;; Code:
(eval-when-compile (require 'cl))
(require 'mailcap)
(require 'mml2015)
-(eval-and-compile
- (autoload 'binhex-decode-region "binhex")
- (autoload 'binhex-decode-region-external "binhex")
- (autoload 'uudecode-decode-region "uudecode")
- (autoload 'uudecode-decode-region-external "uudecode"))
+(autoload 'uudecode-decode-region "uudecode")
+(autoload 'uudecode-decode-region-external "uudecode")
+(autoload 'uudecode-decode-region-internal "uudecode")
+
+(autoload 'binhex-decode-region "binhex")
+(autoload 'binhex-decode-region-external "binhex")
+(autoload 'binhex-decode-region-internal "binhex")
+
+(autoload 'yenc-decode-region "yenc")
+(autoload 'yenc-extract-filename "yenc")
(defcustom mm-uu-decode-function 'uudecode-decode-region
"*Function to uudecode.
-Internal function is done in elisp by default, therefore decoding may
-appear to be horribly slow . You can make Gnus use the external Unix
+Internal function is done in Lisp by default, therefore decoding may
+appear to be horribly slow. You can make Gnus use an external
decoder, such as uudecode."
- :type '(choice (item :tag "internal" uudecode-decode-region)
- (item :tag "external" uudecode-decode-region-external))
- :group 'gnus-article-mime)
+ :type '(choice
+ (function-item :tag "Auto detect" uudecode-decode-region)
+ (function-item :tag "Internal" uudecode-decode-region-internal)
+ (function-item :tag "External" uudecode-decode-region-external))
+ :group 'gnus-article-mime)
(defcustom mm-uu-binhex-decode-function 'binhex-decode-region
"*Function to binhex decode.
Internal function is done in elisp by default, therefore decoding may
appear to be horribly slow . You can make Gnus use the external Unix
decoder, such as hexbin."
- :type '(choice (item :tag "internal" binhex-decode-region)
- (item :tag "external" binhex-decode-region-external))
- :group 'gnus-article-mime)
+ :type '(choice (function-item :tag "Auto detect" binhex-decode-region)
+ (function-item :tag "Internal" binhex-decode-region-internal)
+ (function-item :tag "External" binhex-decode-region-external))
+ :group 'gnus-article-mime)
-(defvar mm-uu-pgp-beginning-signature
- "^-----BEGIN PGP SIGNATURE-----")
+(defvar mm-uu-yenc-decode-function 'yenc-decode-region)
(defvar mm-uu-beginning-regexp nil)
"The default disposition of uu parts.
This can be either \"inline\" or \"attachment\".")
+(defcustom mm-uu-emacs-sources-regexp "\\.emacs\\.sources"
+ "The regexp of Emacs sources groups."
+ :version "22.1"
+ :type 'regexp
+ :group 'gnus-article-mime)
+
+(defcustom mm-uu-diff-groups-regexp
+ "\\(gmane\\|gnu\\)\\..*\\(diff\\|commit\\|cvs\\|bug\\|devel\\)"
+ "Regexp matching diff groups."
+ :version "22.1"
+ :type 'regexp
+ :group 'gnus-article-mime)
+
+(defcustom mm-uu-tex-groups-regexp "\\.tex\\>"
+ "*Regexp matching TeX groups."
+ :version "23.1"
+ :type 'regexp
+ :group 'gnus-article-mime)
+
(defvar mm-uu-type-alist
- '((postscript
+ '((postscript
"^%!PS-"
"^%%EOF$"
mm-uu-postscript-extract
nil)
- (uu
- "^begin[ \t]+[0-7][0-7][0-7][ \t]+"
+ (uu ;; Maybe we should have a more strict test here.
+ "^begin[ \t]+0?[0-7][0-7][0-7][ \t]+"
"^end[ \t]*$"
mm-uu-uu-extract
mm-uu-uu-filename)
(binhex
- "^:...............................................................$"
+ "^:.\\{63,63\\}$"
":$"
mm-uu-binhex-extract
nil
mm-uu-binhex-filename)
- (shar
+ (yenc
+ "^=ybegin.*size=[0-9]+.*name=.*$"
+ "^=yend.*size=[0-9]+"
+ mm-uu-yenc-extract
+ mm-uu-yenc-filename)
+ (shar
"^#! */bin/sh"
- "^exit 0\\|^$"
+ "^exit 0$"
mm-uu-shar-extract)
- (forward
-;;; Thanks to Edward J. Sabol <sabol@alderaan.gsfc.nasa.gov> and
-;;; Peter von der Ah\'e <pahe@daimi.au.dk>
+ (forward
+ ;; Thanks to Edward J. Sabol <sabol@alderaan.gsfc.nasa.gov> and
+ ;; Peter von der Ah\'e <pahe@daimi.au.dk>
"^-+ \\(Start of \\)?Forwarded message"
"^-+ End \\(of \\)?forwarded message"
mm-uu-forward-extract
"^-----END PGP PUBLIC KEY BLOCK-----"
mm-uu-pgp-key-extract
mm-uu-gpg-key-skip-to-last
- nil)))
+ nil)
+ (emacs-sources
+ "^;;;?[ \t]*[^ \t]+\\.el[ \t]*--"
+ "^;;;?[ \t]*\\([^ \t]+\\.el\\)[ \t]+ends here"
+ mm-uu-emacs-sources-extract
+ nil
+ mm-uu-emacs-sources-test)
+ (diff
+ "^Index: "
+ nil
+ mm-uu-diff-extract
+ nil
+ mm-uu-diff-test)
+ (message-marks
+ ;; Text enclosed with tags similar to `message-mark-insert-begin' and
+ ;; `message-mark-insert-end'. Don't use those variables to avoid
+ ;; dependency on `message.el'.
+ "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
+ "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
+ (lambda () (mm-uu-verbatim-marks-extract -1 0 1 -1))
+ nil)
+ ;; Omitting [a-z8<] leads to false positives (bogus signature separators
+ ;; and mailing list banners).
+ (insert-marks
+ "^ *\\(-\\|_\\)\\{30,\\}.*[a-z8<].*\\(-\\|_\\)\\{30,\\} *$"
+ "^ *\\(-\\|_\\)\\{30,\\}.*[a-z8<].*\\(-\\|_\\)\\{30,\\} *$"
+ (lambda () (mm-uu-verbatim-marks-extract 0 0 1 -1))
+ nil)
+ (verbatim-marks
+ ;; slrn-style verbatim marks, see
+ ;; http://www.slrn.org/manual/slrn-manual-6.html#ss6.81
+ "^#v\\+"
+ "^#v\\-$"
+ (lambda () (mm-uu-verbatim-marks-extract 0 0))
+ nil)
+ (LaTeX
+ "^\\([\\\\%][^\n]+\n\\)*\\\\documentclass.*[[{%]"
+ "^\\\\end{document}"
+ mm-uu-latex-extract
+ nil
+ mm-uu-latex-test))
+ "A list of specifications for non-MIME attachments.
+Each element consist of the following entries: label,
+start-regexp, end-regexp, extract-function, test-function.
+
+After modifying this list you must run \\[mm-uu-configure].
-(defcustom mm-uu-configure-list nil
+You can disable elements from this list by customizing
+`mm-uu-configure-list'.")
+
+(defcustom mm-uu-configure-list '((shar . disabled))
"A list of mm-uu configuration.
To disable dissecting shar codes, for instance, add
`(shar . disabled)' to this list."
- :type `(repeat (cons
- ,(cons 'choice
- (mapcar
- (lambda (entry)
- (cons 'item (car entry)))
- mm-uu-type-alist))
- (choice (item disabled))))
+ :type 'alist
+ :options (mapcar (lambda (entry)
+ (list (car entry) '(const disabled)))
+ mm-uu-type-alist)
:group 'gnus-article-mime)
+(defvar mm-uu-text-plain-type '("text/plain" (charset . gnus-decoded))
+ "MIME type and parameters for text/plain parts.
+`gnus-decoded' is a fake charset, which means no further decoding.")
+
;; functions
(defsubst mm-uu-type (entry)
(defsubst mm-uu-function-2 (entry)
(nth 5 entry))
-(defun mm-uu-copy-to-buffer (from to)
- "Copy the contents of the current buffer to a fresh buffer."
- (save-excursion
- (let ((obuf (current-buffer)))
- (set-buffer (generate-new-buffer " *mm-uu*"))
+;; In Emacs 22, we could use `min-colors' in the face definition. But Emacs
+;; 21 and XEmacs don't support it.
+(defcustom mm-uu-hide-markers
+ (< 16 (or (and (fboundp 'defined-colors)
+ (length (defined-colors)))
+ (and (fboundp 'device-color-cells)
+ (device-color-cells))
+ 0))
+ "If non-nil, hide verbatim markers.
+The value should be nil on displays where the face
+`mm-uu-extract' isn't distinguishable to the face `default'."
+ :type '(choice (const :tag "Hide" t)
+ (const :tag "Don't hide" nil))
+ :version "23.1" ;; No Gnus
+ :group 'gnus-article-mime)
+
+(defface mm-uu-extract '(;; Inspired by `gnus-cite-3'
+ (((type tty)
+ (class color)
+ (background dark))
+ (:background "dark blue"))
+ (((class color)
+ (background dark))
+ (:foreground "light yellow"
+ :background "dark green"))
+ (((type tty)
+ (class color)
+ (background light))
+ (:foreground "dark blue"))
+ (((class color)
+ (background light))
+ (:foreground "dark green"
+ :background "light yellow"))
+ (t
+ ()))
+ "Face for extracted buffers."
+ ;; See `mm-uu-verbatim-marks-extract'.
+ :version "23.1" ;; No Gnus
+ :group 'gnus-article-mime)
+
+(defun mm-uu-copy-to-buffer (&optional from to properties)
+ "Copy the contents of the current buffer to a fresh buffer.
+Return that buffer.
+
+If PROPERTIES is non-nil, PROPERTIES are applied to the buffer,
+see `set-text-properties'. If PROPERTIES equals t, this means to
+apply the face `mm-uu-extract'."
+ (let ((obuf (current-buffer))
+ (multi (and (boundp 'enable-multibyte-characters)
+ enable-multibyte-characters))
+ (coding-system
+ ;; Might not exist in non-MULE XEmacs
+ (when (boundp 'buffer-file-coding-system)
+ buffer-file-coding-system)))
+ (with-current-buffer (generate-new-buffer " *mm-uu*")
+ (if multi (mm-enable-multibyte) (mm-disable-multibyte))
+ (setq buffer-file-coding-system coding-system)
(insert-buffer-substring obuf from to)
+ (cond ((eq properties t)
+ (set-text-properties (point-min) (point-max)
+ '(face mm-uu-extract)))
+ (properties
+ (set-text-properties (point-min) (point-max) properties)))
(current-buffer))))
(defun mm-uu-configure-p (key val)
(member (cons key val) mm-uu-configure-list))
(defun mm-uu-configure (&optional symbol value)
+ "Configure detection of non-MIME attachments."
+ (interactive)
(if symbol (set-default symbol value))
(setq mm-uu-beginning-regexp nil)
(mapcar (lambda (entry)
- (if (mm-uu-configure-p (mm-uu-type entry) 'disabled)
+ (if (mm-uu-configure-p (mm-uu-type entry) 'disabled)
nil
(setq mm-uu-beginning-regexp
(concat mm-uu-beginning-regexp
(mm-uu-configure)
-(eval-when-compile
- (defvar file-name)
- (defvar start-point)
- (defvar end-point)
- (defvar entry))
+(defvar file-name)
+(defvar start-point)
+(defvar end-point)
+(defvar entry)
(defun mm-uu-uu-filename ()
(if (looking-at ".+")
(setq file-name
(let ((nnheader-file-name-translation-alist
- '((?/ . ?,) (? . ?_) (?* . ?_) (?$ . ?_))))
+ '((?/ . ?,) (?\ . ?_) (?* . ?_) (?$ . ?_))))
(nnheader-translate-file-chars (match-string 0))))))
(defun mm-uu-binhex-filename ()
(ignore-errors
(binhex-decode-region start-point end-point t))))
+(defun mm-uu-yenc-filename ()
+ (goto-char start-point)
+ (setq file-name
+ (ignore-errors
+ (yenc-extract-filename))))
+
(defun mm-uu-forward-test ()
(save-excursion
(goto-char start-point)
(mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
'("application/postscript")))
+(defun mm-uu-verbatim-marks-extract (start-offset end-offset
+ &optional
+ start-hide
+ end-hide)
+ (let ((start (or (and mm-uu-hide-markers
+ start-hide)
+ start-offset
+ 1))
+ (end (or (and mm-uu-hide-markers
+ end-hide)
+ end-offset
+ -1)))
+ (mm-make-handle
+ (mm-uu-copy-to-buffer
+ (progn (goto-char start-point)
+ (forward-line start)
+ (point))
+ (progn (goto-char end-point)
+ (forward-line end)
+ (point))
+ t)
+ '("text/x-verbatim" (charset . gnus-decoded)))))
+
+(defun mm-uu-latex-extract ()
+ (mm-make-handle
+ (mm-uu-copy-to-buffer start-point end-point t)
+ ;; application/x-tex?
+ '("text/x-verbatim" (charset . gnus-decoded))))
+
+(defun mm-uu-emacs-sources-extract ()
+ (mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
+ '("application/emacs-lisp" (charset . gnus-decoded))
+ nil nil
+ (list mm-dissect-disposition
+ (cons 'filename file-name))))
+
+(defvar gnus-newsgroup-name)
+
+(defun mm-uu-emacs-sources-test ()
+ (setq file-name (match-string 1))
+ (and gnus-newsgroup-name
+ mm-uu-emacs-sources-regexp
+ (string-match mm-uu-emacs-sources-regexp gnus-newsgroup-name)))
+
+(defun mm-uu-diff-extract ()
+ (mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
+ '("text/x-patch" (charset . gnus-decoded))))
+
+(defun mm-uu-diff-test ()
+ (and gnus-newsgroup-name
+ mm-uu-diff-groups-regexp
+ (string-match mm-uu-diff-groups-regexp gnus-newsgroup-name)))
+
+(defun mm-uu-latex-test ()
+ (and gnus-newsgroup-name
+ mm-uu-tex-groups-regexp
+ (string-match mm-uu-tex-groups-regexp gnus-newsgroup-name)))
+
(defun mm-uu-forward-extract ()
- (mm-make-handle (mm-uu-copy-to-buffer
+ (mm-make-handle (mm-uu-copy-to-buffer
(progn (goto-char start-point) (forward-line) (point))
(progn (goto-char end-point) (forward-line -1) (point)))
'("message/rfc822" (charset . gnus-decoded))))
(list mm-dissect-disposition
(cons 'filename file-name)))))
+(defvar gnus-original-article-buffer) ; gnus.el
+
+(defun mm-uu-yenc-extract ()
+ ;; This might not be exactly correct, but we sure can't get the
+ ;; binary data from the article buffer, since that's already in a
+ ;; non-binary charset. So get it from the original article buffer.
+ (mm-make-handle (with-current-buffer gnus-original-article-buffer
+ (mm-uu-copy-to-buffer start-point end-point))
+ (list (or (and file-name
+ (string-match "\\.[^\\.]+$" file-name)
+ (mailcap-extension-to-mime
+ (match-string 0 file-name)))
+ "application/octet-stream"))
+ 'x-yenc nil
+ (if (and file-name (not (equal file-name "")))
+ (list mm-dissect-disposition
+ (cons 'filename file-name)))))
+
+
(defun mm-uu-shar-extract ()
(mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
'("application/x-shar")))
(narrow-to-region (point) end-point)
(mm-dissect-buffer t)))
-(defun mm-uu-pgp-signed-test ()
+(defun mm-uu-pgp-signed-test (&rest rest)
(and
mml2015-use
(mml2015-clear-verify-function)
((eq mm-verify-option 'never) nil)
((eq mm-verify-option 'always) t)
((eq mm-verify-option 'known) t)
- (t (y-or-n-p "Verify pgp signed part?")))))
+ (t (prog1
+ (y-or-n-p "Verify pgp signed part? ")
+ (message ""))))))
-(defun mm-uu-pgp-signed-extract ()
- (let ((buf (mm-uu-copy-to-buffer start-point end-point))
- (mm-security-handle (list (format "multipart/signed"))))
- (mm-set-handle-multipart-parameter
- mm-security-handle 'protocol "application/pgp-signature")
+(defvar gnus-newsgroup-charset)
+
+(defun mm-uu-pgp-signed-extract-1 (handles ctl)
+ (let ((buf (mm-uu-copy-to-buffer (point-min) (point-max))))
(with-current-buffer buf
- (when (mm-uu-pgp-signed-test)
- (mml2015-clean-buffer)
- (let ((coding-system-for-write (or gnus-newsgroup-charset
- 'iso-8859-1)))
- (funcall (mml2015-clear-verify-function))))
- (goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (delete-region (point-min) (point)))
- (if (re-search-forward mm-uu-pgp-beginning-signature nil t)
- (delete-region (match-beginning 0) (point-max))))
- (setcdr mm-security-handle
- (list
- (mm-make-handle buf
- '("text/plain" (charset . gnus-decoded)))))
+ (if (mm-uu-pgp-signed-test)
+ (progn
+ (mml2015-clean-buffer)
+ (let ((coding-system-for-write (or gnus-newsgroup-charset
+ 'iso-8859-1))
+ (coding-system-for-read (or gnus-newsgroup-charset
+ 'iso-8859-1)))
+ (funcall (mml2015-clear-verify-function))))
+ (when (and mml2015-use (null (mml2015-clear-verify-function)))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'gnus-details
+ (format "Clear verification not supported by `%s'.\n" mml2015-use)))
+ (mml2015-extract-cleartext-signature))
+ (list (mm-make-handle buf mm-uu-text-plain-type)))))
+
+(defun mm-uu-pgp-signed-extract ()
+ (let ((mm-security-handle (list (format "multipart/signed"))))
+ (mm-set-handle-multipart-parameter
+ mm-security-handle 'protocol "application/x-gnus-pgp-signature")
+ (save-restriction
+ (narrow-to-region start-point end-point)
+