X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fmm-view.el;h=5d4d3fc2c6e920d113cff198eabc8577e3ea9b1d;hb=36bd162f4f7cd40453b8683e796730836c352b2a;hp=639c32ebc51cd5ae7efb37c9a035bce9094a5d5b;hpb=d8d64bfe337c1fcf85d445cd7976370bf6837e53;p=elisp%2Fgnus.git- diff --git a/lisp/mm-view.el b/lisp/mm-view.el index 639c32e..5d4d3fc 100644 --- a/lisp/mm-view.el +++ b/lisp/mm-view.el @@ -1,4 +1,4 @@ -;;; mm-view.el --- Functions for viewing MIME objects +;;; mm-view.el --- functions for viewing MIME objects ;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen @@ -34,7 +34,8 @@ (autoload 'vcard-parse-string "vcard") (autoload 'vcard-format-string "vcard") (autoload 'fill-flowed "flow-fill") - (autoload 'diff-mode "diff-mode")) + (unless (fboundp 'diff-mode) + (autoload 'diff-mode "diff-mode" "" t nil))) ;;; ;;; Functions for displaying various formats inline @@ -49,10 +50,11 @@ `(lambda () (remove-images ,b (1+ ,b)))))) (defun mm-inline-image-xemacs (handle) + (insert "\n") + (forward-char -1) (let ((b (point)) (annot (make-annotation (mm-get-image handle) nil 'text)) buffer-read-only) - (insert "\n") (mm-handle-set-undisplayer handle `(lambda () @@ -103,11 +105,14 @@ (and (boundp 'w3-meta-charset-content-type-regexp) (re-search-forward w3-meta-charset-content-type-regexp nil t))) - (setq charset (or (w3-coding-system-for-mime-charset - (buffer-substring-no-properties - (match-beginning 2) - (match-end 2))) - charset))) + (setq charset + (or (let ((bsubstr (buffer-substring-no-properties + (match-beginning 2) + (match-end 2)))) + (if (fboundp 'w3-coding-system-for-mime-charset) + (w3-coding-system-for-mime-charset bsubstr) + (mm-charset-to-coding-system bsubstr))) + charset))) (delete-region (point-min) (point-max)) (insert (mm-decode-string text charset)) (save-window-excursion @@ -120,6 +125,18 @@ (condition-case var (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")))))) (mm-handle-set-undisplayer @@ -134,24 +151,16 @@ '(background background-pixmap foreground))) (delete-region ,(point-min-marker) ,(point-max-marker))))))))) - ((or (equal type "enriched") - (equal type "richtext")) - (save-excursion - (mm-with-unibyte-buffer - (mm-insert-part handle) - (save-window-excursion - (enriched-decode (point-min) (point-max)) - (setq text (buffer-string))))) - (mm-insert-inline handle text)) ((equal type "x-vcard") (mm-insert-inline handle (concat "\n-- \n" - (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)))))) + (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))))))) (t (let ((b (point)) (charset (mail-content-type-get @@ -176,6 +185,9 @@ (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 () @@ -266,24 +278,95 @@ (defun mm-display-inline-fontify (handle mode) (let (text) - (with-temp-buffer - (mm-insert-part handle) - (funcall mode) - (font-lock-fontify-buffer) - (when (fboundp 'extent-list) - (map-extents (lambda (ext ignored) - (set-extent-property ext 'duplicable t) - nil) - nil nil nil nil nil 'text-prop)) - (setq text (buffer-string))) + ;; XEmacs @#$@ version of font-lock refuses to fully turn itself + ;; on for buffers whose name begins with " ". That's why we use + ;; save-current-buffer/get-buffer-create rather than + ;; with-temp-buffer. + (save-current-buffer + (set-buffer (generate-new-buffer "*fontification*")) + (unwind-protect + (progn + (buffer-disable-undo) + (mm-insert-part handle) + (funcall mode) + (let ((font-lock-verbose nil)) + ;; I find font-lock a bit too verbose. + (font-lock-fontify-buffer)) + ;; By default, XEmacs font-lock uses non-duplicable text + ;; properties. This code forces all the text properties + ;; to be copied along with the text. + (when (fboundp 'extent-list) + (map-extents (lambda (ext ignored) + (set-extent-property ext 'duplicable t) + nil) + nil nil nil nil nil 'text-prop)) + (setq text (buffer-string))) + (kill-buffer (current-buffer)))) (mm-insert-inline handle text))) +;; Shouldn't these functions check whether the user even wants to use +;; font-lock? At least under XEmacs, this fontification is pretty +;; much unconditional. Also, it would be nice to change for the size +;; of the fontified region. + (defun mm-display-patch-inline (handle) (mm-display-inline-fontify handle 'diff-mode)) (defun mm-display-elisp-inline (handle) (mm-display-inline-fontify handle 'emacs-lisp-mode)) +;; id-signedData OBJECT IDENTIFIER ::= { iso(1) member-body(2) +;; us(840) rsadsi(113549) pkcs(1) pkcs7(7) 2 } +(defvar mm-pkcs7-signed-magic + (mm-string-as-unibyte + (apply 'concat + (mapcar 'char-to-string + (list ?\x30 ?\x5c ?\x28 ?\x80 ?\x5c ?\x7c ?\x81 ?\x2e ?\x5c + ?\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 + (mm-string-as-unibyte + (apply 'concat + (mapcar 'char-to-string + (list ?\x30 ?\x5c ?\x28 ?\x80 ?\x5c ?\x7c ?\x81 ?\x2e ?\x5c + ?\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) + (cond ((looking-at mm-pkcs7-enveloped-magic) + 'enveloped) + ((looking-at mm-pkcs7-signed-magic) + 'signed) + (t + (error "Could not identify PKCS#7 type"))))) + +(defun mm-view-pkcs7 (handle) + (case (mm-view-pkcs7-get-type handle) + (enveloped (mm-view-pkcs7-decrypt handle)) + (otherwise (error "Unknown or unimplemented PKCS#7 type")))) + +(defun mm-view-pkcs7-decrypt (handle) + (insert-buffer (mm-handle-buffer handle)) + (goto-char (point-min)) + (insert "MIME-Version: 1.0\n") + (mm-insert-headers "application/pkcs7-mime" "base64" "smime.p7m") + (smime-decrypt-region + (point-min) (point-max) + (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))))))) + (provide 'mm-view) -;; mm-view.el ends here +;;; mm-view.el ends here