;;; mm-uu.el --- Return uu stuff as mm handles
-;; Copyright (c) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+
+;; Copyright (C) 1998-2015 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, 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"
"The default disposition of uu parts.
This can be either \"inline\" or \"attachment\".")
-(defvar mm-uu-emacs-sources-regexp "gnu\\.emacs\\.sources"
- "The regexp of Emacs sources groups.")
+(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-diff-groups-regexp "gnus\\.commits"
- "*Regexp matching diff groups."
+(defcustom mm-uu-tex-groups-regexp "\\.tex\\>"
+ "*Regexp matching TeX groups."
+ :version "23.1"
:type 'regexp
:group 'gnus-article-mime)
"^%%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
- "^:...............................................................$"
+ "^:.\\{63,63\\}$"
":$"
mm-uu-binhex-extract
nil
"^exit 0$"
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>
+ ;; 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
nil
mm-uu-diff-extract
nil
- mm-uu-diff-test)))
+ mm-uu-diff-test)
+ (diff
+ "^=== modified file "
+ nil
+ mm-uu-diff-extract
+ nil
+ mm-uu-diff-test)
+ (git-format-patch
+ "^diff --git "
+ "^-- "
+ 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 0 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://slrn.sourceforge.net/docs/slrn-manual-6.html#process_verbatim_marks
+ "^#v\\+"
+ "^#v\\-$"
+ (lambda () (mm-uu-verbatim-marks-extract 0 0))
+ nil)
+ (LaTeX
+ "^\\([\\\\%][^\n]+\n\\)*\\\\documentclass.*[[{%]"
+ "^\\\\end{document}"
+ mm-uu-latex-extract
+ nil
+ mm-uu-latex-test)
+ (org-src-code-block
+ "^[ \t]*#\\+begin_"
+ "^[ \t]*#\\+end_"
+ mm-uu-org-src-code-block-extract)
+ (org-meta-line
+ "^[ \t]*#\\+[[:alpha:]]+: "
+ "$"
+ mm-uu-org-src-code-block-extract))
+ "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].
+
+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.
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 (&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."
- (save-excursion
- (let ((obuf (current-buffer))
- (coding-system
- ;; Might not exist in non-MULE XEmacs
- (when (boundp 'buffer-file-coding-system)
- buffer-file-coding-system)))
- (set-buffer (generate-new-buffer " *mm-uu*"))
+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)
(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")
+ '("application/emacs-lisp" (charset . gnus-decoded))
nil nil
(list mm-dissect-disposition
(cons 'filename file-name))))
-(eval-when-compile
- (defvar gnus-newsgroup-name))
+(defun mm-uu-org-src-code-block-extract ()
+ (mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
+ '("text/x-org")))
+
+(defvar gnus-newsgroup-name)
(defun mm-uu-emacs-sources-test ()
(setq file-name (match-string 1))
(defun mm-uu-diff-extract ()
(mm-make-handle (mm-uu-copy-to-buffer start-point end-point)
- '("text/x-patch")))
+ '("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
- (progn (goto-char start-point) (forward-line) (point))
+ (progn
+ (goto-char start-point)
+ (forward-line)
+ (skip-chars-forward "\n")
+ (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 ()
- (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
((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 ""))))))
-(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))
- (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)))
- (goto-char (point-min))
- (while (re-search-forward "^- " nil t)
- (replace-match "" t t)
- (forward-line 1)))
- (list (mm-make-handle buf '("text/plain" (charset . gnus-decoded))))))
+ (gnus-format-message
+ "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"))))
((eq mm-decrypt-option 'never) nil)
((eq mm-decrypt-option 'always) t)
((eq mm-decrypt-option 'known) t)
- (t (y-or-n-p "Decrypt pgp encrypted part? ")))))
+ (t (prog1
+ (y-or-n-p "Decrypt pgp encrypted part? ")
+ (message ""))))))
(defun mm-uu-pgp-encrypted-extract-1 (handles ctl)
- (let ((buf (mm-uu-copy-to-buffer (point-min) (point-max))))
- (if (mm-uu-pgp-encrypted-test)
- (with-current-buffer buf
- (mml2015-clean-buffer)
- (funcall (mml2015-clear-decrypt-function))))
- (list
- (mm-make-handle buf
- '("text/plain" (charset . gnus-decoded))))))
+ (let ((buf (mm-uu-copy-to-buffer (point-min) (point-max)))
+ (first t)
+ charset)
+ ;; Make sure there's a blank line between header and body.
+ (with-current-buffer buf
+ (goto-char (point-min))
+ (while (prog2
+ (forward-line 1)
+ (if first
+ (looking-at "[^\t\n ]+:")
+ (looking-at "[^\t\n ]+:\\|[\t ]"))
+ (setq first nil)))
+ (unless (memq (char-after) '(?\n nil))
+ (insert "\n"))
+ (save-restriction
+ (narrow-to-region (point-min) (point))
+ (setq charset (mail-fetch-field "charset")))
+ (if (and (mm-uu-pgp-encrypted-test)
+ (progn
+ (mml2015-clean-buffer)
+ (funcall (mml2015-clear-decrypt-function))
+ (equal (mm-handle-multipart-ctl-parameter mm-security-handle
+ 'gnus-info)
+ "OK")))
+ (progn
+ ;; Decode charset.
+ (if (and (or charset
+ (setq charset gnus-newsgroup-charset))
+ (setq charset (mm-charset-to-coding-system charset))
+ (not (eq charset 'ascii)))
+ ;; Assume that buffer's multibyteness is turned off.
+ ;; See `mml2015-pgg-clear-decrypt'.
+ (insert (mm-decode-coding-string (prog1
+ (buffer-string)
+ (erase-buffer)
+ (mm-enable-multibyte))
+ charset))
+ (mm-enable-multibyte))
+ (list (mm-make-handle buf mm-uu-text-plain-type)))
+ (list (mm-make-handle buf '("application/pgp-encrypted")))))))
(defun mm-uu-pgp-encrypted-extract ()
(let ((mm-security-handle (list (format "multipart/encrypted"))))
'("application/pgp-keys"))))
;;;###autoload
-(defun mm-uu-dissect ()
- "Dissect the current buffer and return a list of uu handles."
+(defun mm-uu-dissect (&optional noheader mime-type)
+ "Dissect the current buffer and return a list of uu handles.
+The optional NOHEADER means there's no header in the buffer.
+MIME-TYPE specifies a MIME type and parameters, which defaults to the
+value of `mm-uu-text-plain-type'."
(let ((case-fold-search t)
- text-start start-point end-point file-name result
- text-plain-type entry func)
+ (mm-uu-text-plain-type (or mime-type mm-uu-text-plain-type))
+ text-start start-point end-point file-name result entry func)
(save-excursion
(goto-char (point-min))
(cond
+ (noheader)
((looking-at "\n")
(forward-line))
((search-forward "\n\n" nil t)
t)
(t (goto-char (point-max))))
- ;;; gnus-decoded is a fake charset, which means no further
- ;;; decoding.
- (setq text-start (point)
- text-plain-type '("text/plain" (charset . gnus-decoded)))
+ (setq text-start (point))
(while (re-search-forward mm-uu-beginning-regexp nil t)
- (setq start-point (match-beginning 0))
+ (setq start-point (match-beginning 0)
+ entry nil)
(let ((alist mm-uu-type-alist)
(beginning-regexp (match-string 0)))
(while (not entry)
(goto-char text-start)
(re-search-forward "." start-point t)))
(push
- (mm-make-handle (mm-uu-copy-to-buffer text-start start-point)
- text-plain-type)
+ (mm-make-handle
+ (mm-uu-copy-to-buffer
+ text-start
+ ;; A start-separator is likely accompanied by
+ ;; a leading newline.
+ (if (and (eq (char-before start-point) ?\n)
+ (eq (char-before (1- start-point)) ?\n))
+ (1- start-point)
+ start-point))
+ mm-uu-text-plain-type)
result))
(push
(funcall (mm-uu-function-extract entry))
result)
(goto-char (setq text-start end-point))))
(when result
- (if (and (> (point-max) (1+ text-start))
- (save-excursion
- (goto-char text-start)
- (re-search-forward "." nil t)))
- (push
- (mm-make-handle (mm-uu-copy-to-buffer text-start (point-max))
- text-plain-type)
- result))
+ (goto-char text-start)
+ (when (re-search-forward "." nil t)
+ (push (mm-make-handle
+ (mm-uu-copy-to-buffer
+ ;; An end-separator is likely accompanied by
+ ;; a trailing newline.
+ (if (eq (char-after text-start) ?\n)
+ (1+ text-start)
+ text-start)
+ (point-max))
+ mm-uu-text-plain-type)
+ result))
(setq result (cons "multipart/mixed" (nreverse result))))
result)))
+;;;###autoload
+(defun mm-uu-dissect-text-parts (handle &optional decoded)
+ "Dissect text parts and put uu handles into HANDLE.
+Assume text has been decoded if DECODED is non-nil."
+ (let ((buffer (mm-handle-buffer handle)))
+ (cond ((stringp buffer)
+ (dolist (elem (cdr handle))
+ (mm-uu-dissect-text-parts elem decoded)))
+ ((bufferp buffer)
+ (let ((type (mm-handle-media-type handle))
+ (case-fold-search t) ;; string-match
+ children charset encoding)
+ (when (and
+ (stringp type)
+ ;; Mutt still uses application/pgp even though
+ ;; it has already been withdrawn.
+ (string-match "\\`text/\\|\\`application/pgp\\'" type)
+ (equal (car (mm-handle-disposition handle))
+ "inline")
+ (setq
+ children
+ (with-current-buffer buffer
+ (cond
+ ((or decoded
+ (eq (setq charset (mail-content-type-get
+ (mm-handle-type handle)
+ 'charset))
+ 'gnus-decoded))
+ (setq decoded t)
+ (mm-uu-dissect
+ t (cons type '((charset . gnus-decoded)))))
+ (charset
+ (setq decoded t)
+ (mm-with-multibyte-buffer
+ (insert (mm-decode-string (mm-get-part handle)
+ charset))
+ (mm-uu-dissect
+ t (cons type '((charset . gnus-decoded))))))
+ ((setq encoding (mm-handle-encoding handle))
+ (setq decoded nil)
+ ;; Inherit the multibyteness of the `buffer'.
+ (with-temp-buffer
+ (insert-buffer-substring buffer)
+ (mm-decode-content-transfer-encoding
+ encoding type)
+ (mm-uu-dissect t (list type))))
+ (t
+ (setq decoded nil)
+ (mm-uu-dissect t (list type)))))))
+ ;; Ignore it if a given part is dissected into a single
+ ;; part of which the type is the same as the given one.
+ (if (and (<= (length children) 2)
+ (string-equal (mm-handle-media-type (cadr children))
+ type))
+ (kill-buffer (mm-handle-buffer (cadr children)))
+ (kill-buffer buffer)
+ (setcdr handle (cdr children))
+ (setcar handle (car children)) ;; "multipart/mixed"
+ (dolist (elem (cdr children))
+ (mm-uu-dissect-text-parts elem decoded))))))
+ (t
+ (dolist (elem handle)
+ (mm-uu-dissect-text-parts elem decoded))))))
+
(provide 'mm-uu)
-;;; arch-tag: 7db076bf-53db-4320-aa19-ca76a1d2ab2c
;;; mm-uu.el ends here
projects / gnus / blobdiff