(autoload 'vcard-parse-string "vcard")
(autoload 'vcard-format-string "vcard")
(autoload 'fill-flowed "flow-fill")
+ (autoload 'html2text "html2text")
(unless (fboundp 'diff-mode)
(autoload 'diff-mode "diff-mode" "" t nil)))
+(defvar mm-text-html-renderer-alist
+ '((w3 . mm-inline-text-html-render-with-w3)
+ (w3m . mm-inline-text-html-render-with-w3m)
+ (w3m-standalone mm-inline-render-with-stdin nil
+ "w3m" "-dump" "-T" "text/html")
+ (links mm-inline-render-with-file
+ mm-links-remove-leading-blank
+ "links" "-dump" file)
+ (lynx mm-inline-render-with-stdin nil
+ "lynx" "-dump" "-force_html" "-stdin")
+ (html2text mm-inline-render-with-function html2text))
+ "The attributes of renderer types for text/html.")
+
+(defvar mm-text-html-washer-alist
+ '((w3 . gnus-article-wash-html-with-w3)
+ (w3m . gnus-article-wash-html-with-w3m)
+ (w3m-standalone mm-inline-render-with-stdin nil
+ "w3m" "-dump" "-T" "text/html")
+ (links mm-inline-wash-with-file
+ mm-links-remove-leading-blank
+ "links" "-dump" file)
+ (lynx mm-inline-wash-with-stdin nil
+ "lynx" "-dump" "-force_html" "-stdin")
+ (html2text html2text))
+ "The attributes of washer types for text/html.")
+
+;;; Internal variables.
+
;;;
;;; Functions for displaying various formats inline
;;;
(defun mm-inline-image-emacs (handle)
(let ((b (point-marker))
buffer-read-only)
- (insert "\n")
(put-image (mm-get-image handle) b)
+ (insert "\n\n")
(mm-handle-set-undisplayer
handle
- `(lambda () (remove-images ,b (1+ ,b))))))
+ `(lambda ()
+ (let ((b ,b)
+ buffer-read-only)
+ (remove-images b b)
+ (delete-region b (+ b 2)))))))
(defun mm-inline-image-xemacs (handle)
- (insert "\n")
- (forward-char -1)
- (let ((b (point))
- (annot (make-annotation (mm-get-image handle) nil 'text))
+ (insert "\n\n")
+ (forward-char -2)
+ (let ((annot (make-annotation (mm-get-image handle) nil 'text))
buffer-read-only)
(mm-handle-set-undisplayer
handle
`(lambda ()
- (let (buffer-read-only)
+ (let ((b ,(point-marker))
+ buffer-read-only)
(delete-annotation ,annot)
- (delete-region ,(set-marker (make-marker) b)
- ,(set-marker (make-marker) (point))))))
+ (delete-region (- b 2) b))))
(set-extent-property annot 'mm t)
(set-extent-property annot 'duplicable t)))
(let ((text (mm-get-part handle))
(b (point))
(url-standalone-mode t)
+ (url-gateway-unplugged t)
(w3-honor-stylesheets nil)
- (w3-delay-image-loads t)
(url-current-object
(url-generic-parse-url (format "cid:%s" (mm-handle-id handle))))
(width (window-width))
(let ((w3-strict-width width)
;; Don't let w3 set the global version of
;; this variable.
- (fill-column fill-column)
- (w3-honor-stylesheets nil)
- (w3-delay-image-loads t)
- (url-standalone-mode t))
- (condition-case var
+ (fill-column fill-column))
+ (if (or debug-on-error debug-on-quit)
(w3-region (point-min) (point-max))
- (error
- (delete-region (point-min) (point-max))
- (let ((b (point))
- (charset (mail-content-type-get
- (mm-handle-type handle) 'charset)))
- (if (or (eq charset 'gnus-decoded)
- (eq mail-parse-charset 'gnus-decoded))
+ (condition-case ()
+ (w3-region (point-min) (point-max))
+ (error
+ (delete-region (point-min) (point-max))
+ (let ((b (point))
+ (charset (mail-content-type-get
+ (mm-handle-type handle) 'charset)))
+ (if (or (eq charset 'gnus-decoded)
+ (eq mail-parse-charset 'gnus-decoded))
(save-restriction
(narrow-to-region (point) (point))
(mm-insert-part handle)
(goto-char (point-max)))
- (insert (mm-decode-string (mm-get-part handle)
- charset))))
- (message
- "Error while rendering html; showing as text/plain"))))))
+ (insert (mm-decode-string (mm-get-part handle)
+ charset))))
+ (message
+ "Error while rendering html; showing as text/plain")))))))
(mm-handle-set-undisplayer
handle
`(lambda ()
(delete-region ,(point-min-marker)
,(point-max-marker)))))))))
-(defvar mm-w3m-minor-mode nil)
-(make-variable-buffer-local 'mm-w3m-minor-mode)
-(defvar mm-w3m-setup nil)
+(defvar mm-w3m-setup nil
+ "Whether gnus-article-mode has been setup to use emacs-w3m.")
+
(defun mm-setup-w3m ()
+ "Setup gnus-article-mode to use emacs-w3m."
(unless mm-w3m-setup
(require 'w3m)
- (gnus-add-minor-mode 'mm-w3m-minor-mode " w3m" w3m-mode-map)
+ (unless (assq 'gnus-article-mode w3m-cid-retrieve-function-alist)
+ (push (cons 'gnus-article-mode 'mm-w3m-cid-retrieve)
+ w3m-cid-retrieve-function-alist))
(setq mm-w3m-setup t)))
+(defun mm-w3m-cid-retrieve (url &rest args)
+ "Insert a content pointed by URL if it has the cid: scheme."
+ (when (string-match "\\`cid:" url)
+ (setq url (concat "<" (substring url (match-end 0)) ">"))
+ (catch 'found-handle
+ (dolist (handle (with-current-buffer w3m-current-buffer
+ gnus-article-mime-handles))
+ (when (and (listp handle)
+ (equal url (mm-handle-id handle)))
+ (mm-insert-part handle)
+ (throw 'found-handle (mm-handle-media-type handle)))))))
+
+(eval-and-compile
+ (unless (or (featurep 'xemacs)
+ (>= emacs-major-version 21))
+ (defvar mm-w3m-mode-map nil
+ "Keymap for text/html part rendered by `mm-w3m-preview-text/html'.
+This map is overwritten by `mm-w3m-local-map-property' based on the
+value of `w3m-minor-mode-map'. Therefore, in order to add some
+commands to this map, add them to `w3m-minor-mode-map' instead of this
+map.")))
+
+(defun mm-w3m-local-map-property ()
+ (when (and (boundp 'w3m-minor-mode-map) w3m-minor-mode-map)
+ (if (or (featurep 'xemacs)
+ (>= emacs-major-version 21))
+ (list 'keymap w3m-minor-mode-map)
+ (list 'local-map
+ (or mm-w3m-mode-map
+ (progn
+ (setq mm-w3m-mode-map (copy-keymap w3m-minor-mode-map))
+ (set-keymap-parent mm-w3m-mode-map gnus-article-mode-map)
+ mm-w3m-mode-map))))))
+
(defun mm-inline-text-html-render-with-w3m (handle)
+ "Render a text/html part using emacs-w3m."
(mm-setup-w3m)
(let ((text (mm-get-part handle))
(b (point))
(when charset
(delete-region (point-min) (point-max))
(insert (mm-decode-string text charset)))
- (w3m-region (point-min) (point-max))
- (setq mm-w3m-minor-mode t))
+ (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
+ (w3m-display-inline-images mm-inline-text-html-with-images)
+ w3m-force-redisplay)
+ (w3m-region (point-min) (point-max)))
+ (when mm-inline-text-html-with-w3m-keymap
+ (add-text-properties
+ (point-min) (point-max)
+ (nconc (mm-w3m-local-map-property)
+ '(mm-inline-text-html-with-w3m t)))))
(mm-handle-set-undisplayer
handle
`(lambda ()
(let (buffer-read-only)
- (setq mm-w3m-minor-mode nil)
(if (functionp 'remove-specifier)
(mapcar (lambda (prop)
(remove-specifier
(delete-region ,(point-min-marker)
,(point-max-marker))))))))
-(defun mm-inline-text (handle)
- (let ((type (mm-handle-media-subtype handle))
- buffer-read-only)
+(defun mm-links-remove-leading-blank ()
+ ;; Delete the annoying three spaces preceding each line of links
+ ;; output.
+ (goto-char (point-min))
+ (while (re-search-forward "^ " nil t)
+ (delete-region (match-beginning 0) (match-end 0))))
+
+(defun mm-inline-wash-with-file (post-func cmd &rest args)
+ (let ((file (mm-make-temp-file
+ (expand-file-name "mm" mm-tmp-directory))))
+ (let ((coding-system-for-write 'binary))
+ (write-region (point-min) (point-max) file nil 'silent))
+ (delete-region (point-min) (point-max))
+ (unwind-protect
+ (apply 'call-process cmd nil t nil (mapcar 'eval args))
+ (delete-file file))
+ (and post-func (funcall post-func))))
+
+(defun mm-inline-wash-with-stdin (post-func cmd &rest args)
+ (let ((coding-system-for-write 'binary))
+ (apply 'call-process-region (point-min) (point-max)
+ cmd t t nil args))
+ (and post-func (funcall post-func)))
+
+(defun mm-inline-render-with-file (handle post-func cmd &rest args)
+ (let ((source (mm-get-part handle)))
+ (mm-insert-inline
+ handle
+ (mm-with-unibyte-buffer
+ (insert source)
+ (apply 'mm-inline-wash-with-file post-func cmd args)
+ (buffer-string)))))
+
+(defun mm-inline-render-with-stdin (handle post-func cmd &rest args)
+ (let ((source (mm-get-part handle)))
+ (mm-insert-inline
+ handle
+ (mm-with-unibyte-buffer
+ (insert source)
+ (apply 'mm-inline-wash-with-stdin post-func cmd args)
+ (buffer-string)))))
+
+(defun mm-inline-render-with-function (handle func &rest args)
+ (let ((source (mm-get-part handle)))
+ (mm-insert-inline
+ handle
+ (mm-with-unibyte-buffer
+ (insert source)
+ (apply func args)
+ (buffer-string)))))
+
+(defun mm-inline-text-html (handle)
+ (let* ((func (or mm-inline-text-html-renderer mm-text-html-renderer))
+ (entry (assq func mm-text-html-renderer-alist))
+ buffer-read-only)
+ (if entry
+ (setq func (cdr entry)))
(cond
- ((equal type "html")
- (funcall mm-inline-text-html-renderer handle))
- ((equal type "x-vcard")
- (mm-insert-inline
- handle
- (concat "\n-- \n"
- (ignore-errors
- (if (fboundp 'vcard-pretty-print)
- (vcard-pretty-print (mm-get-part handle))
- (vcard-format-string
- (vcard-parse-string (mm-get-part handle)
- 'vcard-standard-filter)))))))
+ ((gnus-functionp func)
+ (funcall func handle))
(t
- (let ((b (point))
- (charset (mail-content-type-get
- (mm-handle-type handle) 'charset)))
- (if (or (eq charset 'gnus-decoded)
- ;; This is probably not entirely correct, but
- ;; makes rfc822 parts with embedded multiparts work.
- (eq mail-parse-charset 'gnus-decoded))
- (save-restriction
- (narrow-to-region (point) (point))
- (mm-insert-part handle)
- (goto-char (point-max)))
- (insert (mm-decode-string (mm-get-part handle) charset)))
- (when (and (equal type "plain")
- (equal (cdr (assoc 'format (mm-handle-type handle)))
- "flowed"))
- (save-restriction
- (narrow-to-region b (point))
- (goto-char b)
- (fill-flowed)
- (goto-char (point-max))))
+ (apply (car func) handle (cdr func))))))
+
+(defun mm-inline-text-vcard (handle)
+ (let (buffer-read-only)
+ (mm-insert-inline
+ handle
+ (concat "\n-- \n"
+ (ignore-errors
+ (if (fboundp 'vcard-pretty-print)
+ (vcard-pretty-print (mm-get-part handle))
+ (vcard-format-string
+ (vcard-parse-string (mm-get-part handle)
+ 'vcard-standard-filter))))))))
+
+(defun mm-inline-text (handle)
+ (let ((b (point))
+ (type (mm-handle-media-subtype handle))
+ (charset (mail-content-type-get
+ (mm-handle-type handle) 'charset))
+ buffer-read-only)
+ (if (or (eq charset 'gnus-decoded)
+ ;; This is probably not entirely correct, but
+ ;; makes rfc822 parts with embedded multiparts work.
+ (eq mail-parse-charset 'gnus-decoded))
(save-restriction
- (narrow-to-region b (point))
- (set-text-properties (point-min) (point-max) nil)
- (when (or (equal type "enriched")
- (equal type "richtext"))
- (enriched-decode (point-min) (point-max)))
- (mm-handle-set-undisplayer
- handle
- `(lambda ()
- (let (buffer-read-only)
- (delete-region ,(point-min-marker)
- ,(point-max-marker)))))))))))
+ (narrow-to-region (point) (point))
+ (mm-insert-part handle)
+ (goto-char (point-max)))
+ (insert (mm-decode-string (mm-get-part handle) charset)))
+ (when (and (equal type "plain")
+ (equal (cdr (assoc 'format (mm-handle-type handle)))
+ "flowed"))
+ (save-restriction
+ (narrow-to-region b (point))
+ (goto-char b)
+ (fill-flowed)
+ (goto-char (point-max))))
+ (save-restriction
+ (narrow-to-region b (point))
+ (set-text-properties (point-min) (point-max) nil)
+ (when (or (equal type "enriched")
+ (equal type "richtext"))
+ (ignore-errors
+ (enriched-decode (point-min) (point-max))))
+ (mm-handle-set-undisplayer
+ handle
+ `(lambda ()
+ (let (buffer-read-only)
+ (delete-region ,(point-min-marker)
+ ,(point-max-marker))))))))
(defun mm-insert-inline (handle text)
"Insert TEXT inline from HANDLE."
(defun mm-w3-prepare-buffer ()
(require 'w3)
(let ((url-standalone-mode t)
- (w3-honor-stylesheets nil)
- (w3-delay-image-loads t))
+ (url-gateway-unplugged t)
+ (w3-honor-stylesheets nil))
(w3-prepare-buffer)))
(defun mm-view-message ()
?\x7c ?\x82 ?\x2e ?\x2e ?\x5c ?\x7c ?\x83 ?\x2e ?\x2e
?\x2e ?\x5c ?\x29 ?\x06 ?\x09 ?\x5c ?\x2a ?\x86 ?\x48
?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x02)))))
-
+
;; id-envelopedData OBJECT IDENTIFIER ::= { iso(1) member-body(2)
;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 3 }
(defvar mm-pkcs7-enveloped-magic
?\x7c ?\x82 ?\x2e ?\x2e ?\x5c ?\x7c ?\x83 ?\x2e ?\x2e
?\x2e ?\x5c ?\x29 ?\x06 ?\x09 ?\x5c ?\x2a ?\x86 ?\x48
?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x03)))))
-
+
(defun mm-view-pkcs7-get-type (handle)
(mm-with-unibyte-buffer
(mm-insert-part handle)
(defun mm-view-pkcs7 (handle)
(case (mm-view-pkcs7-get-type handle)
(enveloped (mm-view-pkcs7-decrypt handle))
+ (signed (mm-view-pkcs7-verify handle))
(otherwise (error "Unknown or unimplemented PKCS#7 type"))))
+(defun mm-view-pkcs7-verify (handle)
+ ;; A bogus implementation of PKCS#7. FIXME::
+ (mm-insert-part handle)
+ (goto-char (point-min))
+ (if (search-forward "Content-Type: " nil t)
+ (delete-region (point-min) (match-beginning 0)))
+ (goto-char (point-max))
+ (if (re-search-backward "--\r?\n?" nil t)
+ (delete-region (match-end 0) (point-max)))
+ (goto-char (point-min))
+ (while (search-forward "\r\n" nil t)
+ (replace-match "\n"))
+ (message "Verify signed PKCS#7 message is unimplemented.")
+ (sit-for 1)
+ t)
+
(defun mm-view-pkcs7-decrypt (handle)
(insert-buffer (mm-handle-buffer handle))
(goto-char (point-min))
(if (= (length smime-keys) 1)
(cadar smime-keys)
(smime-get-key-by-email
- (completing-read "Decrypt this part with which key? "
- smime-keys nil nil
- (and (listp (car-safe smime-keys))
- (caar smime-keys)))))))
+ (completing-read
+ (concat "Decipher using which key? "
+ (if smime-keys (concat "(default " (caar smime-keys) ") ")
+ ""))
+ smime-keys nil nil nil nil (car-safe (car-safe smime-keys))))))
+ (goto-char (point-min))
+ (while (search-forward "\r\n" nil t)
+ (replace-match "\n"))
+ (goto-char (point-min)))
(provide 'mm-view)
projects / gnus / blobdiff