;;; mm-uu.el --- Return uu stuff as mm handles
;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007 Free Software Foundation, Inc.
+;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(defvar mm-uu-yenc-decode-function 'yenc-decode-region)
-(defvar mm-uu-pgp-beginning-signature
- "^-----BEGIN PGP SIGNATURE-----")
-
(defvar mm-uu-beginning-regexp nil)
(defvar mm-dissect-disposition "inline"
: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
"^%!PS-"
"^%%EOF$"
mm-uu-postscript-extract
nil)
- (uu
+ (uu ;; Maybe we should have a more strict test here.
"^begin[ \t]+0?[0-7][0-7][0-7][ \t]+"
"^end[ \t]*$"
mm-uu-uu-extract
mm-uu-uu-filename)
(binhex
- "^:...............................................................$"
+ "^:.\\{63,63\\}$"
":$"
mm-uu-binhex-extract
nil
nil
mm-uu-diff-extract
nil
- mm-uu-diff-test))
+ mm-uu-diff-test)
+ (message-marks
+ ;; Text enclosed with tags similar to `message-mark-insert-begin' and
+ ;; `message-mark-insert-end'. Don't use those variables to avoid
+ ;; dependency on `message.el'.
+ "^-+[8<>]*-\\{9,\\}[a-z ]+-\\{9,\\}[a-z ]+-\\{9,\\}[8<>]*-+$"
+ "^-+[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.
(defsubst mm-uu-function-2 (entry)
(nth 5 entry))
-(defun mm-uu-copy-to-buffer (&optional from to)
+;; 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."
+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))
- (coding-system
+ (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)
(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 ".+")
(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))
(list mm-dissect-disposition
(cons 'filename file-name))))
-(eval-when-compile
- (defvar gnus-newsgroup-name))
+(defvar gnus-newsgroup-name)
(defun mm-uu-emacs-sources-test ()
(setq file-name (match-string 1))
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
(progn (goto-char start-point) (forward-line) (point))
(list mm-dissect-disposition
(cons 'filename file-name)))))
+(defvar gnus-original-article-buffer) ; gnus.el
+
(defun mm-uu-yenc-extract ()
- (mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
+ ;; 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 "\\.[^\\.]+$" file-name)
(mailcap-extension-to-mime
(y-or-n-p "Verify pgp signed part? ")
(message ""))))))
-(eval-when-compile
- (defvar gnus-newsgroup-charset))
+(defvar gnus-newsgroup-charset)
(defun mm-uu-pgp-signed-extract-1 (handles ctl)
(let ((buf (mm-uu-copy-to-buffer (point-min) (point-max))))
(if (mm-uu-pgp-signed-test)
(progn
(mml2015-clean-buffer)
- (let ((coding-system-for-write (or gnus-newsgroup-charset
- 'iso-8859-1)))
+ (let ((coding-system-for-write (or buffer-file-coding-system
+ gnus-newsgroup-charset
+ 'iso-8859-1))
+ (coding-system-for-read (or buffer-file-coding-system
+ gnus-newsgroup-charset
+ 'iso-8859-1)))
(funcall (mml2015-clear-verify-function))))
(when (and mml2015-use (null (mml2015-clear-verify-function)))
(mm-set-handle-multipart-parameter
mm-security-handle 'gnus-details
- (format "Clear verification not supported by `%s'.\n" mml2015-use))))
- (goto-char (point-min))
- (forward-line)
- ;; We need to be careful not to strip beyond the armor headers.
- ;; Previously, an attacker could replace the text inside our
- ;; markup with trailing garbage by injecting whitespace into the
- ;; message.
- (while (looking-at "Hash:") ; The only header allowed in cleartext
- (forward-line)) ; signatures according to RFC2440.
- (when (looking-at "[\t ]*$")
- (forward-line))
- (delete-region (point-min) (point))
- (if (re-search-forward mm-uu-pgp-beginning-signature nil t)
- (delete-region (match-beginning 0) (point-max)))
- (goto-char (point-min))
- (while (re-search-forward "^- " nil t)
- (replace-match "" t t)
- (forward-line 1)))
- (list (mm-make-handle buf mm-uu-text-plain-type))))
+ (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"))))
(provide 'mm-uu)
-;; arch-tag: 7db076bf-53db-4320-aa19-ca76a1d2ab2c
;;; mm-uu.el ends here