X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;ds=sidebyside;f=lisp%2Fmm-view.el;h=95b3ce1e490ccf2b7145d11ac94829944c828680;hb=0d34ee305d12def612850d1f62d0fa066bb7da01;hp=989266fbec554de56c94928ba429eb9b9d734c97;hpb=8ea183dc2584eb55c4a687d53e2081364784a35d;p=gnus diff --git a/lisp/mm-view.el b/lisp/mm-view.el index 989266fbe..95b3ce1e4 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. +;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; This file is part of GNU Emacs. @@ -34,35 +34,27 @@ (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 ;;; (defun mm-inline-image-emacs (handle) - (let ((b (point)) - (overlay nil) - (string (copy-sequence "[MM-INLINED-IMAGE]")) + (let ((b (point-marker)) buffer-read-only) (insert "\n") - (buffer-name) - (setq overlay (make-overlay (point) (point) (current-buffer))) - (put-text-property 0 (length string) 'display (mm-get-image handle) string) - (overlay-put overlay 'before-string string) - + (put-image (mm-get-image handle) b) (mm-handle-set-undisplayer handle - `(lambda () - (let (buffer-read-only) - (delete-overlay ,overlay) - (delete-region ,(set-marker (make-marker) b) - ,(set-marker (make-marker) (point)))))))) + `(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 () @@ -73,10 +65,10 @@ (set-extent-property annot 'mm t) (set-extent-property annot 'duplicable t))) -(defun mm-inline-image (handle) - (if mm-xemacs-p - (mm-inline-image-xemacs handle) - (mm-inline-image-emacs handle))) +(eval-and-compile + (if (featurep 'xemacs) + (defalias 'mm-inline-image 'mm-inline-image-xemacs) + (defalias 'mm-inline-image 'mm-inline-image-emacs))) (defvar mm-w3-setup nil) (defun mm-setup-w3 () @@ -113,19 +105,40 @@ (and (boundp 'w3-meta-charset-content-type-regexp) (re-search-forward w3-meta-charset-content-type-regexp nil t))) - (setq charset (w3-coding-system-for-mime-charset - (buffer-substring-no-properties - (match-beginning 2) - (match-end 2))))) + (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 () @@ -160,8 +173,14 @@ (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))) @@ -213,14 +232,13 @@ (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) @@ -234,49 +252,132 @@ (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 ?\x82 ?\x01 ?\x91 ?\x06 ?\x09 ?\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 ?\x82 ?\x01 ?\x91 ?\x06 ?\x09 ?\x2a ?\x86 ?\x48 + ?\x86 ?\xf7 ?\x0d ?\x01 ?\x07 ?\x03))))) + +(defun mm-view-pkcs7-get-type (handle) + (with-temp-buffer + (mm-insert-part handle) + (cond ((looking-at (regexp-quote mm-pkcs7-enveloped-magic)) + 'enveloped) + ((looking-at (regexp-quote 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) + (if (cond + ((eq mm-decrypt-option 'never) nil) + ((eq mm-decrypt-option 'always) t) + ((eq mm-decrypt-option 'known) t) + (t (y-or-n-p + (format "Decrypt (S/MIME) part? ")))) + (let (res) + (with-temp-buffer + (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)))))) + (setq res (buffer-string))) + (mm-insert-inline handle res)))) + (provide 'mm-view) -;; mm-view.el ends here +;;; mm-view.el ends here