;;; mm-decode.el --- Functions for decoding MIME things
-;; Copyright (C) 1998-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2015 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
;;; Code:
-;; For Emacs <22.2 and XEmacs.
-(eval-and-compile
- (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
-
(require 'mail-parse)
(require 'mm-bodies)
-(require 'mm-archive)
-(eval-when-compile (require 'cl)
- (require 'term))
+(eval-when-compile (require 'cl))
(autoload 'gnus-map-function "gnus-util")
(autoload 'gnus-replace-in-string "gnus-util")
(autoload 'mm-extern-cache-contents "mm-extern")
(autoload 'mm-insert-inline "mm-view")
+(autoload 'mm-archive-decoders "mm-archive")
+(autoload 'mm-archive-dissect-and-inline "mm-archive")
+(autoload 'mm-dissect-archive "mm-archive")
+
(defvar gnus-current-window-configuration)
(add-hook 'gnus-exit-gnus-hook 'mm-destroy-postponed-undisplay-list)
+(add-hook 'gnus-exit-gnus-hook 'mm-temp-files-delete)
(defgroup mime-display ()
"Display of MIME in mail and news articles."
:group 'news
:group 'multimedia)
+(defface mm-command-output
+ '((((class color)
+ (background dark))
+ (:foreground "ForestGreen"))
+ (((class color)
+ (background light))
+ (:foreground "red3"))
+ (t
+ (:italic t)))
+ "Face used for displaying output from commands."
+ :group 'mime-display)
+
;;; Convenience macros.
(defmacro mm-handle-buffer (handle)
((executable-find "w3m") 'gnus-w3m)
((executable-find "links") 'links)
((executable-find "lynx") 'lynx)
- ((locate-library "w3") 'w3)
((locate-library "html2text") 'html2text)
(t nil))
"Render of HTML contents.
`w3m-standalone': use plain w3m;
`links': use links;
`lynx': use lynx;
-`w3': use Emacs/W3;
`html2text': use html2text;
nil : use external viewer (default web browser)."
:version "24.1"
:type '(choice (const shr)
(const gnus-w3m)
- (const w3)
(const w3m :tag "emacs-w3m")
(const w3m-standalone :tag "standalone w3m" )
(const links)
:group 'mime-display)
(defcustom mm-inline-text-html-with-images nil
- "If non-nil, Gnus will allow retrieving images in HTML contents with
-the <img> tags. It has no effect on Emacs/w3. See also the
-documentation for the `mm-w3m-safe-url-regexp' variable."
+ "If non-nil, Gnus will allow retrieving images in HTML that has <img> tags.
+See also the documentation for the `mm-w3m-safe-url-regexp'
+variable."
:version "22.1"
:type 'boolean
:group 'mime-display)
("message/partial" mm-inline-partial identity)
("message/external-body" mm-inline-external-body identity)
("text/.*" mm-inline-text identity)
+ ("application/x-.?tar\\(-.*\\)?" mm-archive-dissect-and-inline identity)
+ ("application/zip" mm-archive-dissect-and-inline identity)
("audio/wav" mm-inline-audio
(lambda (handle)
(and (or (featurep 'nas-sound) (featurep 'native-sound))
(ignore-errors
(if (fboundp 'create-image)
(create-image (buffer-string) 'imagemagick 'data-p)
- (mm-create-image-xemacs (mm-handle-media-subtype handle))))))
+ (mm-create-image-xemacs
+ (mm-handle-media-subtype handle))))))
(when image
(setcar (cdr handle) (list "image/imagemagick"))
(mm-image-fit-p handle)))))))
"application/pgp-signature" "application/x-pkcs7-signature"
"application/pkcs7-signature" "application/x-pkcs7-mime"
"application/pkcs7-mime"
+ "application/x-gtar-compressed"
+ "application/x-tar"
+ "application/zip"
;; Mutt still uses this even though it has already been withdrawn.
"application/pgp")
"List of media types that are to be displayed inline.
(defvar mm-last-shell-command "")
(defvar mm-content-id-alist nil)
(defvar mm-postponed-undisplay-list nil)
+(defvar mm-inhibit-auto-detect-attachment nil)
+(defvar mm-temp-files-to-be-deleted nil
+ "List of temporary files scheduled to be deleted.")
+(defvar mm-temp-files-cache-file (concat ".mm-temp-files-" (user-login-name))
+ "Name of a file that caches a list of temporary files to be deleted.
+The file will be saved in the directory `mm-tmp-directory'.")
;; According to RFC2046, in particular, in a digest, the default
;; Content-Type value for a body part is changed from "text/plain" to
map)
"Keymap for input viewer with completion.")
-(defvar mm-viewer-completion-map
- (let ((map (make-sparse-keymap 'mm-viewer-completion-map)))
- (set-keymap-parent map minibuffer-local-completion-map)
- ;; Should we bind other key to minibuffer-complete-word?
- (define-key map " " 'self-insert-command)
- map)
- "Keymap for input viewer with completion.")
-
;;; The functions.
(defun mm-alist-to-plist (alist)
(message "Destroying external MIME viewers")
(mm-destroy-parts mm-postponed-undisplay-list)))
+(defun mm-temp-files-delete ()
+ "Delete temporary files and those parent directories.
+Note that the deletion may fail if a program is catching hold of a file
+under Windows or Cygwin. In that case, it schedules the deletion of
+files left at the next time."
+ (let* ((coding-system-for-read mm-universal-coding-system)
+ (coding-system-for-write mm-universal-coding-system)
+ (cache-file (expand-file-name mm-temp-files-cache-file
+ mm-tmp-directory))
+ (cache (when (file-exists-p cache-file)
+ (mm-with-multibyte-buffer
+ (insert-file-contents cache-file)
+ (split-string (buffer-string) "\n" t))))
+ fails)
+ (dolist (temp (append cache mm-temp-files-to-be-deleted))
+ (when (and (file-exists-p temp)
+ (if (file-directory-p temp)
+ ;; A parent directory left at the previous time.
+ (progn
+ (ignore-errors (delete-directory temp))
+ (file-exists-p temp))
+ ;; Delete a temporary file and its parent directory.
+ (ignore-errors (delete-file temp))
+ (or (file-exists-p temp)
+ (progn
+ (setq temp (file-name-directory temp))
+ (ignore-errors (delete-directory temp))
+ (file-exists-p temp)))))
+ (push temp fails)))
+ (if fails
+ ;; Schedule the deletion of the files left at the next time.
+ (progn
+ (write-region (concat (mapconcat 'identity (nreverse fails) "\n")
+ "\n")
+ nil cache-file nil 'silent)
+ (set-file-modes cache-file #o600))
+ (when (file-exists-p cache-file)
+ (ignore-errors (delete-file cache-file))))
+ (setq mm-temp-files-to-be-deleted nil)))
+
(autoload 'message-fetch-field "message")
(defun mm-dissect-buffer (&optional no-strict-mime loose-mime from)
- "Dissect the current buffer and return a list of MIME handles."
+ "Dissect the current buffer and return a list of MIME handles.
+If NO-STRICT-MIME, don't require the message to have a
+MIME-Version header before proceeding."
(save-excursion
(let (ct ctl type subtype cte cd description id result)
(save-restriction
(unless from
(setq from (mail-fetch-field "from")))
;; FIXME: In some circumstances, this code is running within
- ;; an unibyte macro. mail-extract-address-components
+ ;; a unibyte macro. mail-extract-address-components
;; creates unibyte buffers. This `if', though not a perfect
;; solution, avoids most of them.
(if from
description)))))
(if (or (not ctl)
(not (string-match "/" (car ctl))))
- (mm-dissect-singlepart
+ (mm-dissect-singlepart
(list mm-dissect-default-type)
- (and cte (intern (downcase (mail-header-strip cte))))
+ (and cte (intern (downcase (mail-header-strip cte))))
no-strict-mime
(and cd (mail-header-parse-content-disposition cd))
description)
(if (equal "text/plain" (car ctl))
(assoc 'format ctl)
t))
+ ;; Guess what the type of application/octet-stream parts should
+ ;; really be.
+ (let ((filename (cdr (assq 'filename (cdr cdl)))))
+ (when (and (not mm-inhibit-auto-detect-attachment)
+ (equal (car ctl) "application/octet-stream")
+ filename
+ (string-match "\\.\\([^.]+\\)$" filename))
+ (let ((new-type (mailcap-extension-to-mime (match-string 1 filename))))
+ (when new-type
+ (setcar ctl new-type)))))
(let ((handle
(mm-make-handle
(mm-copy-to-buffer) ctl cte nil cdl description nil id))
- (decoder (assoc (car ctl) mm-archive-decoders)))
+ (decoder (assoc (car ctl) (mm-archive-decoders))))
(if (and decoder
- (executable-find (cadr decoder)))
+ ;; Do automatic decoding
+ (cadr decoder)
+ (executable-find (caddr decoder)))
(mm-dissect-archive handle)
handle))))
(goto-char (point-max))
(if (re-search-backward close-delimiter nil t)
(match-beginning 0)
- (point-max)))))
+ (point-max))))
+ (mm-inhibit-auto-detect-attachment
+ (equal (car ctl) "multipart/encrypted")))
(setq boundary (concat (regexp-quote boundary) "[ \t]*$"))
(while (and (< (point) end) (re-search-forward boundary end t))
(goto-char (match-beginning 0))
(mail-content-type-get
(mm-handle-type handle) 'name)
"<file>"))
- (external mm-enable-external))
- (if (and (mm-inlinable-p ehandle)
- (mm-inlined-p ehandle))
- (progn
- (forward-line 1)
- (mm-display-inline handle)
- 'inline)
- (when (or method
- (not no-default))
- (if (and (not method)
- (equal "text" (car (split-string type "/"))))
- (progn
- (forward-line 1)
- (mm-insert-inline handle (mm-get-part handle))
- 'inline)
- (setq external
- (and method ;; If nil, we always use "save".
- (stringp method) ;; 'mailcap-save-binary-file
+ (external mm-enable-external)
+ (decoder (assoc (car (mm-handle-type handle))
+ (mm-archive-decoders))))
+ (cond
+ ((and decoder
+ (executable-find (caddr decoder)))
+ (mm-archive-dissect-and-inline handle)
+ 'inline)
+ ((and (mm-inlinable-p ehandle)
+ (mm-inlined-p ehandle))
+ (mm-display-inline handle)
+ 'inline)
+ ((or method
+ (not no-default))
+ (if (and (not method)
+ (equal "text" (car (split-string type "/"))))
+ (progn
+ (forward-line 1)
+ (mm-insert-inline handle (mm-get-part handle))
+ 'inline)
+ (setq external
+ (and method ;; If nil, we always use "save".
(or (eq mm-enable-external t)
(and (eq mm-enable-external 'ask)
(y-or-n-p
(concat
"Display part (" type
- ") using external program"
- ;; Can non-string method ever happen?
+ ") "
(if (stringp method)
(concat
- " \"" (format method filename) "\"")
- "")
- "? "))))))
- (if external
- (mm-display-external
- handle (or method 'mailcap-save-binary-file))
+ "using external program \""
+ (format method filename) "\"")
+ (format
+ "by calling `%s' on the contents)" method))
+ "? "))))))
+ (if external
(mm-display-external
- handle 'mailcap-save-binary-file)))))))))
+ handle (or method 'mailcap-save-binary-file))
+ (mm-display-external
+ handle 'mailcap-save-binary-file)))))))))
(declare-function gnus-configure-windows "gnus-win" (setting &optional force))
(defvar mailcap-mime-extensions) ; mailcap-mime-info autoloads
+(declare-function term-mode "term" ())
+(declare-function term-char-mode "term" ())
(defun mm-display-external (handle method)
"Display HANDLE using METHOD."
(mm-handle-media-type handle) t))))
(unwind-protect
(if method
- (funcall method)
+ (progn
+ (when (and (boundp 'gnus-summary-buffer)
+ (bufferp gnus-summary-buffer)
+ (buffer-name gnus-summary-buffer))
+ ;; So that we pop back to the right place, sort of.
+ (switch-to-buffer gnus-summary-buffer)
+ (switch-to-buffer mm))
+ (delete-other-windows)
+ (funcall method))
(mm-save-part handle))
(when (and (not non-viewer)
method)
method file (mm-handle-type handle))))
(unwind-protect
(if window-system
- (start-process "*display*" nil
- mm-external-terminal-program
- "-e" shell-file-name
- shell-command-switch command)
+ (set-process-sentinel
+ (start-process "*display*" nil
+ mm-external-terminal-program
+ "-e" shell-file-name
+ shell-command-switch command)
+ `(lambda (process state)
+ (if (eq 'exit (process-status process))
+ (run-at-time
+ 60.0 nil
+ (lambda ()
+ (ignore-errors (delete-file ,file))
+ (ignore-errors (delete-directory
+ ,(file-name-directory
+ file))))))))
(require 'term)
(require 'gnus-win)
(set-buffer
(set-process-sentinel
(get-buffer-process buffer)
`(lambda (process state)
- (if (eq 'exit (process-status process))
- (gnus-configure-windows
- ',gnus-current-window-configuration))))
+ (when (eq 'exit (process-status process))
+ (ignore-errors (delete-file ,file))
+ (ignore-errors
+ (delete-directory ,(file-name-directory file)))
+ (gnus-configure-windows
+ ',gnus-current-window-configuration))))
(gnus-configure-windows 'display-term))
- (mm-handle-set-external-undisplayer handle (cons file buffer)))
+ (mm-handle-set-external-undisplayer handle (cons file buffer))
+ (add-to-list 'mm-temp-files-to-be-deleted file t))
(message "Displaying %s..." command))
'external)
(copiousoutput
(let ((command (mm-mailcap-command
method file (mm-handle-type handle))))
(unwind-protect
- (progn
+ (let ((process-connection-type nil))
(start-process "*display*"
(setq buffer
(generate-new-buffer " *mm*"))
shell-command-switch command)
(set-process-sentinel
(get-buffer-process buffer)
- (lexical-let ;; Don't use `let'.
- ;; Function used to remove temp file and directory.
- ((fn `(lambda nil
- ;; Don't use `ignore-errors'.
- (condition-case nil
- (delete-file ,file)
- (error))
- (condition-case nil
- (delete-directory
- ,(file-name-directory file))
- (error))))
- ;; Form uses to kill the process buffer and
- ;; remove the undisplayer.
- (fm `(progn
- (kill-buffer ,buffer)
- ,(macroexpand
- (list 'mm-handle-set-undisplayer
- (list 'quote handle)
- nil))))
- ;; Message to be issued when the process exits.
- (done (format "Displaying %s...done" command))
- ;; In particular, the timer object (which is
- ;; a vector in Emacs but is a list in XEmacs)
- ;; requires that it is lexically scoped.
- (timer (run-at-time 30.0 nil 'ignore)))
- (if (featurep 'xemacs)
- (lambda (process state)
- (when (eq 'exit (process-status process))
- (if (memq timer itimer-list)
- (set-itimer-function timer fn)
- (funcall fn))
- (ignore-errors (eval fm))
- (message "%s" done)))
- (lambda (process state)
- (when (eq 'exit (process-status process))
- (if (memq timer timer-list)
- (timer-set-function timer fn)
- (funcall fn))
- (ignore-errors (eval fm))
- (message "%s" done)))))))
+ (lexical-let ((outbuf outbuf)
+ (file file)
+ (buffer buffer)
+ (command command)
+ (handle handle))
+ (lambda (process state)
+ (when (eq (process-status process) 'exit)
+ (run-at-time
+ 60.0 nil
+ (lambda ()
+ (ignore-errors (delete-file file))
+ (ignore-errors (delete-directory
+ (file-name-directory file)))))
+ (when (buffer-live-p outbuf)
+ (with-current-buffer outbuf
+ (let ((buffer-read-only nil)
+ (point (point)))
+ (forward-line 2)
+ (let ((start (point)))
+ (mm-insert-inline
+ handle (with-current-buffer buffer
+ (buffer-string)))
+ (put-text-property start (point)
+ 'face 'mm-command-output))
+ (goto-char point))))
+ (when (buffer-live-p buffer)
+ (kill-buffer buffer)))
+ (message "Displaying %s...done" command)))))
(mm-handle-set-external-undisplayer
- handle (cons file buffer)))
+ handle (cons file buffer))
+ (add-to-list 'mm-temp-files-to-be-deleted file t))
(message "Displaying %s..." command))
'external)))))))
(when filename
(setq filename (gnus-map-function mm-file-name-rewrite-functions
(file-name-nondirectory filename))))
- (setq file
- (read-file-name
- (or prompt
- (format "Save MIME part to (default %s): "
- (or filename "")))
- (or mm-default-directory default-directory)
- (expand-file-name (or filename "")
- (or mm-default-directory default-directory))))
+ (while
+ (progn
+ (setq file
+ (read-file-name
+ (or prompt
+ (format "Save MIME part to (default %s): "
+ (or filename "")))
+ (or mm-default-directory default-directory)
+ (expand-file-name (or filename "")
+ (or mm-default-directory default-directory))))
+ (cond ((or (not file) (equal file ""))
+ (message "Please enter a file name")
+ t)
+ ((and (file-directory-p file)
+ (not filename))
+ (message "Please enter a non-directory file name")
+ t)
+ (t nil)))
+ (sit-for 2)
+ (discard-input))
(if (file-directory-p file)
(setq file (expand-file-name filename file))
(setq file (expand-file-name
(goto-char (point-min))
(if (re-search-forward "\
<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']\
-text/\\(\\sw+\\)\\(?:\;\\s-*charset=\\(.+\\)\\)?[\"'][^>]*>" nil t)
+text/\\(\\sw+\\)\\(?:\;\\s-*charset=\\([^\"'>]+\\)\\)?[^>]*>" nil t)
(if (and (not force-charset)
(match-beginning 2)
(string-match "\\`html\\'" (match-string 1)))
(let ((image (mm-get-image handle)))
(or (not image)
(if (featurep 'xemacs)
- ;; XEmacs' glyphs can actually tell us about their width, so
+ ;; XEmacs's glyphs can actually tell us about their width, so
;; let's be nice and smart about them.
(or mm-inline-large-images
(and (<= (glyph-width image) (window-pixel-width))
;; Require since we bind its variables.
(require 'shr)
(let ((article-buffer (current-buffer))
+ (shr-width fill-column)
(shr-content-function (lambda (id)
(let ((handle (mm-get-content-id id)))
(when handle
(insert (prog1
(if (and charset
(setq charset
- (mm-charset-to-coding-system charset))
+ (mm-charset-to-coding-system charset
+ nil t))
(not (eq charset 'ascii)))
(mm-decode-coding-string (buffer-string) charset)
(mm-string-as-multibyte (buffer-string)))
(string-to-number (match-string 2)))
mm-extra-numeric-entities)))
(replace-match (char-to-string char))))
+ ;; Remove "soft hyphens".
+ (goto-char (point-min))
+ (while (search-forward "" nil t)
+ (replace-match "" t t))
(libxml-parse-html-region (point-min) (point-max))))
(unless (bobp)
(insert "\n"))
+ (mm-convert-shr-links)
(mm-handle-set-undisplayer
handle
`(lambda ()
(let ((inhibit-read-only t))
- (delete-region ,(point-min-marker)
+ (delete-region ,(copy-marker (point-min) t)
,(point-max-marker))))))))
+(defvar shr-map)
+
+(autoload 'widget-convert-button "wid-edit")
+
+(defun mm-convert-shr-links ()
+ (let ((start (point-min))
+ end)
+ (while (and start
+ (< start (point-max)))
+ (when (setq start (text-property-not-all start (point-max) 'shr-url nil))
+ (setq end (next-single-property-change start 'shr-url nil (point-max)))
+ (widget-convert-button
+ 'url-link start end
+ :help-echo (get-text-property start 'help-echo)
+ :keymap shr-map
+ (get-text-property start 'shr-url))
+ (put-text-property start end 'local-map nil)
+ (setq start end)))))
+
(defun mm-handle-filename (handle)
"Return filename of HANDLE if any."
(or (mail-content-type-get (mm-handle-type handle)
(provide 'mm-decode)
+;; Local Variables:
+;; coding: utf-8
+;; End:
+
;;; mm-decode.el ends here
projects / gnus / blobdiff