X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fmm-view.el;h=5d4d3fc2c6e920d113cff198eabc8577e3ea9b1d;hb=36bd162f4f7cd40453b8683e796730836c352b2a;hp=6fb7289fc5393b84ecaf066432498a397a1d4aaf;hpb=3c19a9d1054e341f806d39714ddf1d70b03ef142;p=elisp%2Fgnus.git- diff --git a/lisp/mm-view.el b/lisp/mm-view.el index 6fb7289..5d4d3fc 100644 --- a/lisp/mm-view.el +++ b/lisp/mm-view.el @@ -1,5 +1,5 @@ -;;; mm-view.el --- Functions for viewing MIME objects -;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. +;;; mm-view.el --- functions for viewing MIME objects +;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; This file is part of GNU Emacs. @@ -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 () @@ -64,7 +66,7 @@ (set-extent-property annot 'duplicable t))) (eval-and-compile - (if (string-match "XEmacs" (emacs-version)) + (if (featurep 'xemacs) (defalias 'mm-inline-image 'mm-inline-image-xemacs) (defalias 'mm-inline-image 'mm-inline-image-emacs))) @@ -103,20 +105,40 @@ (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 (save-restriction (let ((w3-strict-width width) + ;; Don't let w3 set the global version of + ;; this variable. + (fill-column fill-column) (url-standalone-mode t)) (condition-case var (w3-region (point-min) (point-max)) - (error))))) + (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 handle `(lambda () @@ -129,30 +151,28 @@ '(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 (mm-handle-type handle) 'charset))) - (if (eq charset 'gnus-decoded) - (mm-insert-part handle) + (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))) @@ -165,6 +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 () @@ -204,14 +227,13 @@ (setq handles gnus-article-mime-handles)) (when handles (setq gnus-article-mime-handles - (nconc gnus-article-mime-handles - (if (listp (car handles)) - handles (list handles)))))) + (mm-merge-handles gnus-article-mime-handles handles)))) (fundamental-mode) (goto-char (point-min))) (defun mm-inline-message (handle) (let ((b (point)) + (bolp (bolp)) (charset (mail-content-type-get (mm-handle-type handle) 'charset)) gnus-displaying-mime handles) @@ -225,49 +247,126 @@ (narrow-to-region b b) (mm-insert-part handle) (let (gnus-article-mime-handles - ;; disable prepare hook - gnus-article-prepare-hook + ;; disable prepare hook + gnus-article-prepare-hook (gnus-newsgroup-charset (or charset gnus-newsgroup-charset))) (run-hooks 'gnus-article-decode-hook) (gnus-article-prepare-display) (setq handles gnus-article-mime-handles)) + (goto-char (point-min)) + (unless bolp + (insert "\n")) (goto-char (point-max)) (unless (bolp) (insert "\n")) (insert "----------\n\n") (when handles (setq gnus-article-mime-handles - (nconc gnus-article-mime-handles - (if (listp (car handles)) - handles (list handles))))) + (mm-merge-handles gnus-article-mime-handles handles))) (mm-handle-set-undisplayer handle `(lambda () (let (buffer-read-only) - (condition-case nil + (if (fboundp 'remove-specifier) ;; This is only valid on XEmacs. (mapcar (lambda (prop) (remove-specifier (face-property 'default prop) (current-buffer))) - '(background background-pixmap foreground)) - (error nil)) + '(background background-pixmap foreground))) (delete-region ,(point-min-marker) ,(point-max-marker))))))))) -(defun mm-display-patch-inline (handle) +(defun mm-display-inline-fontify (handle mode) (let (text) - (with-temp-buffer - (mm-insert-part handle) - (diff-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