* wl-message.el (wl-message-uu-substring): Suppress compile
[elisp/wanderlust.git] / wl / wl-mime.el
index cc0d236..0c14cfd 100644 (file)
 
 ;;; Code:
 ;;
-
 (require 'mime-view)
 (require 'mime-edit)
 (require 'mime-play)
+(require 'mime-parse)
+(eval-when-compile (require 'mmbuffer))
 (require 'elmo)
-
-(eval-when-compile
-  (defalias-maybe 'pgg-decrypt-region 'ignore)
-  (defalias-maybe 'pgg-display-output-buffer 'ignore)
-  (defalias-maybe 'pgg-verify-region 'ignore))
+(require 'elmo-mime)
+(require 'wl-vars)
+(require 'wl-util)
+(eval-when-compile (require 'cl))
 
 ;;; Draft
 
@@ -59,15 +59,54 @@ has Non-nil value\)"
                     (function wl-draft-yank-to-draft-buffer))))
        (mime-preview-following-method-alist
         (list (cons 'wl-original-message-mode
-                    (function wl-draft-yank-to-draft-buffer)))))
-    (if (get-buffer (wl-current-message-buffer))
-       (save-excursion
-         (set-buffer (wl-current-message-buffer))
+                    (function wl-draft-yank-to-draft-buffer))))
+       (message-buffer (wl-current-message-buffer)))
+    (if message-buffer
+       (with-current-buffer message-buffer
          (save-restriction
            (widen)
-           (if (wl-region-exists-p)
-               (wl-mime-preview-follow-current-region)
-             (mime-preview-follow-current-entity)))))))
+           (cond
+            ((wl-region-exists-p)
+             (wl-mime-preview-follow-current-region))
+            ((not (wl-message-mime-analysis-p
+                   (wl-message-buffer-display-type)))
+             (wl-mime-preview-follow-no-mime
+              (wl-message-buffer-display-type)))
+            (t
+             (mime-preview-follow-current-entity)))))
+      (error "No message."))))
+
+;; modified mime-preview-follow-current-entity from mime-view.el
+(defun wl-mime-preview-follow-no-mime (display-type)
+  "Write follow message to current message, without mime.
+It calls following-method selected from variable
+`mime-preview-following-method-alist'."
+  (interactive)
+  (let* ((mode (mime-preview-original-major-mode 'recursive))
+        (new-name (format "%s-no-mime" (buffer-name)))
+        new-buf min beg end
+        (entity (get-text-property (point-min) 'elmo-as-is-entity))
+        (the-buf (current-buffer))
+        fields)
+    (save-excursion
+      (goto-char (point-min))
+      (setq min (point-min)
+           beg (re-search-forward "^$" nil t)
+           end (point-max)))
+    (with-current-buffer (setq new-buf (get-buffer-create new-name))
+      (erase-buffer)
+      (insert-buffer-substring the-buf beg end)
+      (goto-char (point-min))
+      ;; Insert all headers.
+      (let ((elmo-mime-display-header-analysis
+            (wl-message-mime-analysis-p display-type 'header)))
+       (elmo-mime-insert-sorted-header entity))
+      (let ((f (cdr (assq mode mime-preview-following-method-alist))))
+       (if (functionp f)
+           (funcall f new-buf)
+         (message
+          "Sorry, following method for %s is not implemented yet."
+          mode))))))
 
 ;; modified mime-preview-follow-current-entity from mime-view.el
 (defun wl-mime-preview-follow-current-region ()
@@ -85,14 +124,14 @@ It calls following-method selected from variable
           new-buf
           (the-buf (current-buffer))
           fields)
-      (save-excursion
-       (set-buffer (setq new-buf (get-buffer-create new-name)))
+      (with-current-buffer (setq new-buf (get-buffer-create new-name))
        (erase-buffer)
        (insert ?\n)
        (insert-buffer-substring the-buf r-beg r-end)
        (goto-char (point-min))
        (let ((current-entity
-              (if (and (eq (mime-entity-media-type entity) 'message)
+              (if (and entity
+                       (eq (mime-entity-media-type entity) 'message)
                        (eq (mime-entity-media-subtype entity) 'rfc822))
                   (car (mime-entity-children entity))
                 entity)))
@@ -105,16 +144,14 @@ It calls following-method selected from variable
                        (mime-insert-header current-entity fields)
                        t))
            (setq fields (std11-collect-field-names)
-                 current-entity (mime-entity-parent current-entity))
-           ))
+                 current-entity (mime-entity-parent current-entity))))
        (let ((rest mime-view-following-required-fields-list)
              field-name ret)
          (while rest
            (setq field-name (car rest))
            (or (std11-field-body field-name)
                (progn
-                 (save-excursion
-                   (set-buffer the-buf)
+                 (with-current-buffer the-buf
                    (let ((entity (when mime-mother-buffer
                                    (set-buffer mime-mother-buffer)
                                    (get-text-property (point)
@@ -124,27 +161,158 @@ It calls following-method selected from variable
                                                   entity field-name))))
                        (setq entity (mime-entity-parent entity)))))
                  (if ret
-                     (insert (concat field-name ": " ret "\n"))
-                   )))
-           (setq rest (cdr rest))
-           ))
-       )
+                     (insert (concat field-name ": " ret "\n")))))
+           (setq rest (cdr rest)))))
       (let ((f (cdr (assq mode mime-preview-following-method-alist))))
        (if (functionp f)
            (funcall f new-buf)
          (message
-          (format
-           "Sorry, following method for %s is not implemented yet."
-           mode))
-         ))
-      )))
+          "Sorry, following method for %s is not implemented yet."
+          mode))))))
 
 (defalias 'wl-draft-enclose-digest-region 'mime-edit-enclose-digest-region)
 
+(defun wl-draft-preview-attributes-list ()
+  (if (listp (car wl-draft-preview-attributes-list))
+      (elmo-uniq-list
+       (nconc (and (wl-message-mail-p)
+                  (copy-sequence
+                   (cdr (assq 'mail wl-draft-preview-attributes-list))))
+             (and (wl-message-news-p)
+                  (copy-sequence
+                   (cdr (assq 'news wl-draft-preview-attributes-list))))))
+    wl-draft-preview-attributes-list))
+
+(defun wl-draft-show-attributes-buffer (attribute-values)
+  (let* ((cur-win (selected-window))
+        (size (min
+               (- (window-height cur-win)
+                  window-min-height 1)
+               (- (window-height cur-win)
+                  (max
+                   window-min-height
+                   (1+ wl-draft-preview-attributes-buffer-lines))))))
+    (split-window cur-win (if (> size 0) size window-min-height))
+    (select-window (next-window))
+    (let ((pop-up-windows nil))
+      (switch-to-buffer (get-buffer-create
+                        wl-draft-preview-attributes-buffer-name)))
+    (with-current-buffer
+       (get-buffer wl-draft-preview-attributes-buffer-name)
+      (setq buffer-read-only t)
+      (let (buffer-read-only)
+       (erase-buffer)
+       (dolist (pair attribute-values)
+         (insert (capitalize (symbol-name (car pair))) ": "
+                 (format "%s" (or (cdr pair) ""))
+                 "\n"))
+       (goto-char (point-min))
+       (wl-highlight-headers)))
+    (select-window cur-win)))
+
+(defun wl-draft-hide-attributes-buffer ()
+  (let (window buffer)
+    (when (setq window (get-buffer-window
+                       wl-draft-preview-attributes-buffer-name))
+      (select-window window)
+      (delete-window))
+    (when (setq buffer (get-buffer wl-draft-preview-attributes-buffer-name))
+      (kill-buffer buffer))))
+
+(defun wl-draft-attribute-recipients ()
+  (let (wl-draft-remove-group-list-contents)
+    (mapconcat
+     'identity
+     (nconc
+      (wl-draft-deduce-address-list
+       (current-buffer)
+       (point-min)
+       (save-excursion
+        (goto-char (point-min))
+        (re-search-forward
+         (concat
+          "^"
+          (regexp-quote mail-header-separator)
+          "$")
+         nil t)
+        (point)))
+      (wl-draft-parse-mailbox-list wl-draft-mime-bcc-field-name))
+     ", ")))
+
+(defun wl-draft-attribute-envelope-from ()
+  (or wl-envelope-from
+      (wl-address-header-extract-address wl-from)))
+
+(defun wl-draft-attribute-smtp-posting-server ()
+  (or wl-smtp-posting-server
+      (progn (require 'smtp) smtp-server)
+      "localhost"))
+
+(defun wl-draft-attribute-smtp-posting-port ()
+  (or wl-smtp-posting-port
+      (progn (require 'smtp) smtp-service)))
+
+(defun wl-draft-attribute-newsgroups ()
+  (std11-field-body "Newsgroups"))
+
+(defun wl-draft-nntp-attribute (attribute &optional alternatives)
+  (let ((config (cdr (elmo-string-matched-assoc
+                     (std11-field-body "newsgroups")
+                     wl-nntp-posting-config-alist)))
+       entry)
+    (when (stringp config)
+      (setq config (list (cons 'server config))))
+    (if (setq entry (assq attribute config))
+       ;; maybe nil
+       (cdr entry)
+      (let (value)
+       (while alternatives
+         (if (setq value (symbol-value (car alternatives)))
+             (setq alternatives nil)
+           (setq alternatives (cdr alternatives))))
+       value))))
+
+(defun wl-draft-attribute-nntp-posting-server ()
+  (wl-draft-nntp-attribute
+   'server
+   '(wl-nntp-posting-server elmo-nntp-default-server)))
+
+(defun wl-draft-attribute-nntp-posting-port ()
+  (wl-draft-nntp-attribute
+   'port
+   '(wl-nntp-posting-port elmo-nntp-default-port)))
+
+(defun wl-draft-attribute-value (attr)
+  (let ((name (symbol-name attr))
+       fsymbol symbol)
+    (cond ((and (setq fsymbol (intern-soft
+                              (format "wl-draft-attribute-%s" name)))
+               (fboundp fsymbol))
+          (funcall fsymbol))
+         ((and (setq symbol (intern-soft (format "wl-%s" name)))
+               (boundp symbol))
+          (symbol-value symbol))
+         ((boundp attr)
+          (symbol-value attr)))))
+
+(defun wl-mime-quit-preview ()
+  "Quitting method for mime-view."
+  (let* ((temp (and (boundp 'mime-edit-temp-message-buffer) ;; for SEMI <= 1.14.6
+                   mime-edit-temp-message-buffer))
+        (window (selected-window))
+        buf)
+    (mime-preview-kill-buffer)
+    (set-buffer temp)
+    (setq buf mime-edit-buffer)
+    (kill-buffer temp)
+    (select-window window)
+    (switch-to-buffer buf)))
+
 (defun wl-draft-preview-message ()
   "Preview editing message."
   (interactive)
-  (let* (recipients-message
+  (let* (attribute-values
+        (orig-buffer (current-buffer))
         (current-point (point))
         (config-exec-flag wl-draft-config-exec-flag)
         (parent-folder wl-draft-parent-folder)
@@ -157,42 +325,46 @@ It calls following-method selected from variable
               (symbol-value 'mime-header-encode-method-alist))))
         mime-view-ignored-field-list   ; all header.
         (mime-edit-translate-buffer-hook
-         (append
-          (list
-           (function
-            (lambda ()
-              (let ((wl-draft-config-exec-flag config-exec-flag)
-                    (wl-draft-parent-folder parent-folder))
-                (goto-char current-point)
-                (run-hooks 'wl-draft-send-hook)
-                (setq recipients-message
-                      (condition-case err
-                          (concat "Recipients: "
-                                  (mapconcat
-                                   'identity
-                                   (wl-draft-deduce-address-list
-                                    (current-buffer)
-                                    (point-min)
-                                    (save-excursion
-                                      (goto-char (point-min))
-                                      (re-search-forward
-                                       (concat
-                                        "^"
-                                        (regexp-quote mail-header-separator)
-                                        "$")
-                                       nil t)
-                                      (point)))
-                                   ", "))
-                        (error
-                         (kill-buffer (current-buffer))
-                         (signal (car err) (cdr err)))))))))
+         (cons
+          (lambda ()
+            (let ((wl-draft-config-exec-flag config-exec-flag)
+                  (wl-draft-parent-folder parent-folder)
+                  (copy-buffer (current-buffer)))
+              (wl-copy-local-variables
+               orig-buffer
+               copy-buffer
+               (with-current-buffer orig-buffer
+                 (append wl-draft-config-variables
+                         (wl-draft-clone-local-variables))))
+              (goto-char current-point)
+              (run-hooks 'wl-draft-send-hook)
+              (condition-case err
+                  (setq attribute-values
+                        (mapcar
+                         (lambda (attr)
+                           (cons attr (wl-draft-attribute-value attr)))
+                         (if wl-draft-preview-attributes
+                             (wl-draft-preview-attributes-list)
+                           '(recipients))))
+                (error
+                 (kill-buffer (current-buffer))
+                 (signal (car err) (cdr err))))))
           mime-edit-translate-buffer-hook)))
     (mime-edit-preview-message)
+    (make-local-variable 'mime-preview-quitting-method-alist)
+    (setq mime-preview-quitting-method-alist
+         '((mime-temp-message-mode . wl-mime-quit-preview)))
     (let ((buffer-read-only nil))
       (when wl-highlight-body-too
        (wl-highlight-body))
       (run-hooks 'wl-draft-preview-message-hook))
-    (message recipients-message)))
+    (make-local-hook 'kill-buffer-hook)
+    (add-hook 'kill-buffer-hook #'wl-draft-hide-attributes-buffer nil t)
+    (if wl-draft-preview-attributes
+       (ignore-errors ; in case when the window is too small
+        (wl-draft-show-attributes-buffer attribute-values))
+      (message (concat "Recipients: "
+                      (cdr (assq 'recipients attribute-values)))))))
 
 (defalias 'wl-draft-caesar-region  'mule-caesar-region)
 
@@ -214,19 +386,21 @@ It calls following-method selected from variable
        mime-view-ignored-field-list)
     (mime-view-mode nil nil nil inbuf outbuf)))
 
-(defun wl-message-delete-mime-out-buf ()
-  (let (mime-out-buf mime-out-win)
-    (if (setq mime-out-buf (get-buffer mime-echo-buffer-name))
-       (if (setq mime-out-win (get-buffer-window mime-out-buf))
-           (delete-window mime-out-win)))))
+(defun wl-message-delete-popup-windows ()
+  (dolist (buffer wl-message-popup-buffers)
+    (when (or (stringp buffer)
+             (and (symbolp buffer)
+                  (boundp buffer)
+                  (setq buffer (symbol-value buffer))))
+      (let ((window (get-buffer-window buffer)))
+       (when window
+         (delete-window window))))))
 
 (defun wl-message-request-partial (folder number)
   (elmo-set-work-buf
    (elmo-message-fetch (wl-folder-get-elmo-folder folder)
                       number
                       (elmo-make-fetch-strategy 'entire)
-                      nil
-                      (current-buffer)
                       'unread)
    (mime-parse-buffer nil)))
 
@@ -241,7 +415,7 @@ It calls following-method selected from variable
 
 (defsubst wl-mime-node-id-to-string (node-id)
   (if (consp node-id)
-      (mapconcat (function (lambda (num) (format "%s" (1+ num))))
+      (mapconcat (lambda (num) (format "%s" (1+ num)))
                 (reverse node-id)
                 ".")
     "0"))
@@ -253,6 +427,7 @@ It calls following-method selected from variable
     (widen)
     (let* ((entity (get-text-property (point) 'mime-view-entity))
           (node-id (mime-entity-node-id entity))
+          (filename (mime-entity-safe-filename entity))
           (header-start (mime-buffer-entity-header-start-internal entity))
           (body-end (mime-buffer-entity-body-end-internal entity))
           (folder (wl-folder-get-elmo-folder wl-message-buffer-cur-folder))
@@ -264,8 +439,9 @@ It calls following-method selected from variable
       (with-current-buffer orig-buf
        (unless (string-equal
                 (buffer-string)
-                (elmo-message-fetch folder number
-                                    (elmo-make-fetch-strategy 'entire)))
+                (elmo-message-fetch-string
+                 folder number
+                 (elmo-make-fetch-strategy 'entire)))
          (error "Buffer content differs from actual message")))
       (when (and (elmo-folder-writable-p folder)
                 (buffer-live-p orig-buf)
@@ -274,12 +450,22 @@ It calls following-method selected from variable
                  (format "Do you really want to delete part %s? "
                          (wl-mime-node-id-to-string node-id))))
        (when (with-temp-buffer
-               (insert-buffer orig-buf)
+               (insert-buffer-substring orig-buf)
                (delete-region header-start body-end)
                (goto-char header-start)
-               (insert "Content-Type: text/plain; charset=US-ASCII\n\n")
+               (insert "Content-Type: text/plain; charset=US-ASCII\n")
+               (when filename
+                 (insert
+                  "Content-Disposition:"
+                  (mime-encode-field-body
+                        (concat ""
+                                (and filename
+                                     (concat " inline; filename=" (std11-wrap-as-quoted-string filename))))
+                        "Content-Disposition")
+                  "\n"))
+               (insert "\n")
                (insert "** This part has been removed by Wanderlust **\n\n")
-               (elmo-folder-append-buffer folder t))
+               (elmo-folder-append-buffer folder))
 
          (elmo-folder-move-messages
           folder (list number)
@@ -294,81 +480,173 @@ It calls following-method selected from variable
          (setq wl-message-buffer nil)
          (wl-summary-sync nil "update"))))))
 
+;; PGP
+(eval-when-compile
+  (defmacro wl-define-dummy-functions (&rest symbols)
+    `(dolist (symbol (quote ,symbols))
+       (defalias symbol 'ignore))))
+
+(eval-when-compile
+  ;; split eval-when-compile form for avoid error on `make compile-strict'
+  (require 'mime-pgp)
+  (condition-case nil
+      (require 'epa)
+    (error
+     (wl-define-dummy-functions epg-make-context
+                               epg-decrypt-string
+                               epg-verify-string
+                               epg-context-set-progress-callback
+                               epg-context-result-for
+                               epg-verify-result-to-string
+                               epa-display-info)))
+  (condition-case nil
+      (require 'pgg)
+    (error
+     (wl-define-dummy-functions pgg-decrypt-region
+                               pgg-verify-region
+                               pgg-display-output-buffer))))
+
+(defun wl-epg-progress-callback (context what char current total reporter)
+  (let ((label (elmo-progress-counter-label reporter)))
+    (when label
+      (elmo-progress-notify label :set current :total total))))
+
+(defun wl-mime-pgp-decrypt-region-with-epg (beg end &optional no-decode)
+  (require 'epg)
+  (let ((context (epg-make-context)))
+    (elmo-with-progress-display (epg-decript nil reporter)
+       "Decrypting"
+      (epg-context-set-progress-callback context
+                                        (cons #'wl-epg-progress-callback
+                                              reporter))
+      (insert (prog1
+                 (decode-coding-string
+                  (epg-decrypt-string
+                   context
+                   (buffer-substring beg end))
+                  (if no-decode 'raw-text wl-cs-autoconv))
+               (delete-region beg end)))))
+  last-coding-system-used)
+
+(defun wl-mime-pgp-verify-region-with-epg (beg end &optional coding-system)
+  (require 'epa)
+  (let ((context (epg-make-context)))
+    (elmo-with-progress-display (epg-verify nil reporter)
+       "Verifying"
+      (epg-context-set-progress-callback context
+                                        (cons #'wl-epg-progress-callback
+                                              reporter))
+      (epg-verify-string
+       context
+       (encode-coding-string
+       (buffer-substring beg end)
+       (if coding-system
+           (coding-system-change-eol-conversion coding-system 'dos)
+         'raw-text-dos))))
+    (when (epg-context-result-for context 'verify)
+      (epa-display-info (epg-verify-result-to-string
+                        (epg-context-result-for context 'verify))))))
+
+(defun wl-mime-pgp-decrypt-region-with-pgg (beg end &optional no-decode)
+  (require 'pgg)
+  (let ((buffer-file-coding-system wl-cs-autoconv)
+       status)
+    (setq status (pgg-decrypt-region beg end))
+    (if no-decode
+       (when status
+         (delete-region beg end)
+         (insert-buffer-substring pgg-output-buffer))
+      (pgg-display-output-buffer beg end status))
+    (unless status
+      (error "Decryption is failed"))
+    last-coding-system-used))
+
+(defun wl-mime-pgp-verify-region-with-pgg (beg end &optional coding-system)
+  (require 'pgg)
+  (let ((message-buffer (current-buffer))
+       success)
+    (with-temp-buffer
+      (insert-buffer-substring message-buffer beg end)
+      (when coding-system
+       (encode-coding-region (point-min) (point-max) coding-system))
+      (setq success (pgg-verify-region (point-min) (point-max) nil 'fetch)))
+    (mime-show-echo-buffer)
+    (set-buffer mime-echo-buffer-name)
+    (set-window-start
+     (get-buffer-window mime-echo-buffer-name)
+     (point-max))
+    (insert-buffer-substring
+     (if success
+        pgg-output-buffer
+       pgg-errors-buffer))))
+
+(defsubst wl-mime-pgp-decrypt-region (beg end &optional no-decode)
+  (case wl-use-pgp-module
+    (epg
+     (wl-mime-pgp-decrypt-region-with-epg beg end no-decode))
+    (pgg
+     (wl-mime-pgp-decrypt-region-with-pgg beg end no-decode))
+    (t
+     (error "Don't support PGP decryption"))))
+
+(defsubst wl-mime-pgp-verify-region (beg end &optional coding-system)
+  (case wl-use-pgp-module
+    (epg
+     (wl-mime-pgp-verify-region-with-epg beg end coding-system))
+    (pgg
+     (wl-mime-pgp-verify-region-with-pgg beg end coding-system))
+    (t
+     (error "Don't support PGP decryption"))))
+
 (defun wl-message-decrypt-pgp-nonmime ()
   "Decrypt PGP encrypted region"
   (interactive)
-  (require 'pgg)
   (save-excursion
     (beginning-of-line)
-    (if (or (re-search-forward "^-+END PGP MESSAGE-+$" nil t)
-           (re-search-backward "^-+END PGP MESSAGE-+$" nil t))
-       (let (beg end status)
-         (setq end (match-end 0))
-         (if (setq beg (re-search-backward "^-+BEGIN PGP MESSAGE-+$" nil t))
-             (let ((inhibit-read-only t)
-                   (buffer-file-coding-system wl-cs-autoconv))
-               (setq status (pgg-decrypt-region beg end))
-               (pgg-display-output-buffer beg end status))
-           (message "Cannot find pgp encrypted region")))
-      (message "Cannot find pgp encrypted region"))))
+    (let ((region (wl-find-region "^-+BEGIN PGP MESSAGE-+$"
+                                 "^-+END PGP MESSAGE-+$"))
+         (inhibit-read-only t)
+         coding-system)
+      (unless region
+       (error "Cannot find PGP encrypted region"))
+      (save-restriction
+       (let ((props (text-properties-at (car region))))
+         (narrow-to-region (car region) (cdr region))
+         (when (setq coding-system
+                     (wl-mime-pgp-decrypt-region (point-min) (point-max)))
+           (setq props (plist-put props
+                                  'wl-mime-decoded-coding-system
+                                  coding-system)))
+         (set-text-properties (point-min) (point-max) props))))))
 
 (defun wl-message-verify-pgp-nonmime (&optional arg)
   "Verify PGP signed region.
 With ARG, ask coding system and encode the region with it before verifying."
   (interactive "P")
-  (require 'pgg)
   (save-excursion
     (beginning-of-line)
-    (let ((msg-buf (current-buffer))
-         beg end status m-beg)
-      (if (and (when (or (re-search-forward "^-+END PGP SIGNATURE-+$" nil t)
-                        (re-search-backward "^-+END PGP SIGNATURE-+$" nil t))
-                (setq end (match-end 0)))
-              (setq beg (re-search-backward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t)))
-         (progn
-           (if arg
-               (with-temp-buffer
-                 (insert-buffer-substring msg-buf beg end)
-                 (set-mark (point-min))
-                 (goto-char (point-max))
-                 (call-interactively 'encode-coding-region)
-                 (setq status (pgg-verify-region (point-min) (point-max) nil 'fetch)))
-             (let* ((situation (mime-preview-find-boundary-info))
-                    (p-end (aref situation 1))
-                    (entity (aref situation 2))
-                    (count 0))
-               (goto-char p-end)
-               (while (< beg (point))
-                 (if (re-search-backward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t)
-                     (setq count (+ count 1))
-                   (debug)))
-               (with-temp-buffer
-                 (insert (mime-entity-body entity))
-                 (goto-char (point-max))
-                 (while (> count 0)
-                   (if (re-search-backward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t)
-                       (setq count (- count 1))
-                     (debug)))
-                 (let ((r-beg (point))
-                       (r-end (re-search-forward "^-+END PGP SIGNATURE-+$" nil t)))
-                   (if r-end
-                       (setq status (pgg-verify-region r-beg r-end nil 'fetch))
-                     (debug))))))
-           (mime-show-echo-buffer)
-           (set-buffer mime-echo-buffer-name)
-           (set-window-start
-            (get-buffer-window mime-echo-buffer-name)
-            (point-max))
-           (setq m-beg (point))
-           (insert-buffer-substring
-            (if status pgg-output-buffer pgg-errors-buffer))
-           (encode-coding-region m-beg (point) buffer-file-coding-system)
-           (decode-coding-region m-beg (point) wl-cs-autoconv))
-       (message "Cannot find pgp signed region")))))
+    (let ((region (wl-find-region "^-+BEGIN PGP SIGNED MESSAGE-+$"
+                                 "^-+END PGP SIGNATURE-+$"))
+         coding-system)
+      (unless region
+       (error "Cannot find PGP signed region"))
+      (setq coding-system
+           (or (get-text-property (car region) 'wl-mime-decoded-coding-system)
+               (let* ((situation (mime-preview-find-boundary-info))
+                      (entity (aref situation 2)))
+                 (mime-charset-to-coding-system
+                  (mime-content-type-parameter
+                   (mime-entity-content-type entity)
+                   "charset")))
+               buffer-file-coding-system))
+      (when arg
+       (setq coding-system (read-coding-system
+                            (format "Coding system (%S): " coding-system)
+                            coding-system)))
+      (wl-mime-pgp-verify-region (car region) (cdr region) coding-system))))
 
 ;; XXX: encrypted multipart isn't represented as multipart
 (defun wl-mime-preview-application/pgp (parent-entity entity situation)
-  (require 'pgg)
   (goto-char (point-max))
   (let ((p (point))
        raw-buf to-buf representation-type child-entity)
@@ -382,9 +660,7 @@ With ARG, ask coding system and encode the region with it before verifying."
        (when (progn
                (goto-char (point-min))
                (re-search-forward "^-+BEGIN PGP MESSAGE-+$" nil t))
-         (pgg-decrypt-region (point-min)(point-max))
-         (delete-region (point-min) (point-max))
-         (insert-buffer pgg-output-buffer)
+         (wl-mime-pgp-decrypt-region (point-min) (point-max) 'no-decode)
          (setq representation-type 'elmo-buffer))
        (setq child-entity (mime-parse-message
                            (mm-expand-class-name representation-type)
@@ -426,10 +702,9 @@ With ARG, ask coding system and encode the region with it before verifying."
           (setq entity
                 (car (mime-entity-children message-entity)))
           (with-temp-buffer
+            (set-buffer-multibyte nil)
             (insert (mime-entity-body message-entity))
-            (elmo-folder-append-buffer
-             target
-             (mime-entity-fetch-field entity "Message-ID")))))
+            (elmo-folder-append-buffer target))))
     number))
 
 (defun wl-summary-burst (&optional arg)
@@ -438,15 +713,23 @@ With ARG, ask destination folder."
   (interactive "P")
   (let ((raw-buf (wl-summary-get-original-buffer))
        (view-buf wl-message-buffer)
-       children message-entity content-type target)
+       message-entity target)
     (save-excursion
-      (setq target wl-summary-buffer-elmo-folder)
-      (when (or arg (not (elmo-folder-writable-p target)))
-       (let ((fld (wl-summary-read-folder wl-default-folder "to extract to")))
-         (setq target (wl-folder-get-elmo-folder fld))))
+      (when (and (null arg)
+                (elmo-folder-writable-p wl-summary-buffer-elmo-folder))
+       (setq target wl-summary-buffer-elmo-folder))
+      (while (null target)
+       (let ((name (wl-summary-read-folder wl-default-folder
+                                           "to extract to")))
+         (setq target (wl-folder-get-elmo-folder name))
+         (unless (elmo-folder-writable-p target)
+           (message "%s is not writable" name)
+           (setq target nil)
+           (sit-for 1))))
       (wl-summary-set-message-buffer-or-redisplay)
       (with-current-buffer view-buf
-       (setq message-entity (get-text-property (point-min) 'mime-view-entity)))
+       (setq message-entity
+             (get-text-property (point-min) 'mime-view-entity)))
       (when message-entity
        (message "Bursting...")
        (with-current-buffer raw-buf
@@ -454,18 +737,22 @@ With ARG, ask destination folder."
        (message "Bursting...done"))
       (if (elmo-folder-plugged-p target)
          (elmo-folder-check target)))
-    (wl-summary-sync-update)))
+    (when (and target
+              (string= wl-summary-buffer-folder-name
+                       (elmo-folder-name-internal target)))
+      (save-excursion (wl-summary-sync-update)))))
 
 ;; internal variable.
 (defvar wl-mime-save-directory nil "Last saved directory.")
 ;;; Yet another save method.
 (defun wl-mime-save-content (entity situation)
-  (let ((filename (read-file-name "Save to file: "
-                                 (expand-file-name
-                                  (or (mime-entity-safe-filename entity)
-                                      ".")
-                                  (or wl-mime-save-directory
-                                      wl-temporary-file-directory)))))
+  (let ((filename (expand-file-name
+                  (read-file-name "Save to file: "
+                                  (expand-file-name
+                                   (or (mime-entity-safe-filename entity)
+                                       ".")
+                                   (or wl-mime-save-directory
+                                       wl-temporary-file-directory))))))
     (while (file-directory-p filename)
       (setq filename (read-file-name "Please set filename (not directory): "
                                     filename)))
@@ -476,15 +763,51 @@ With ARG, ask destination folder."
       (setq wl-mime-save-directory (file-name-directory filename))
       (mime-write-entity-content entity filename))))
 
+(defun wl-summary-extract-attachments-1 (message-entity directory number)
+  ;; returns new number.
+  (let (children filename)
+    (cond
+     ((setq children (mime-entity-children message-entity))
+      (dolist (entity children)
+       (setq number
+             (wl-summary-extract-attachments-1 entity directory number))))
+     ((and (eq (mime-content-disposition-type
+               (mime-entity-content-disposition message-entity))
+              'attachment)
+          (setq filename (mime-entity-safe-filename message-entity)))
+      (let ((full (expand-file-name filename directory)))
+       (when (or (not (file-exists-p full))
+                 (yes-or-no-p
+                  (format "File %s exists. Save anyway? " filename)))
+         (message "Extracting...%s" (setq number (+ 1 number)))
+         (mime-write-entity-content message-entity full)))))
+    number))
+
+(defun wl-summary-extract-attachments (directory)
+  "Extract attachment parts in MIME format into the DIRECTORY."
+  (interactive
+   (let* ((default (or wl-mime-save-directory
+                      wl-temporary-file-directory))
+         (directory (read-directory-name "Extract to " default default t)))
+     (list (if (> (length directory) 0) directory default))))
+  (unless (and (file-writable-p directory)
+              (file-directory-p directory))
+    (error "%s is not writable" directory))
+  (save-excursion
+    (wl-summary-set-message-buffer-or-redisplay)
+    (let ((entity (get-text-property (point-min) 'mime-view-entity)))
+      (when entity
+       (message "Extracting...")
+       (wl-summary-extract-attachments-1 entity directory 0)
+       (message "Extracting...done")))))
+
 ;;; Yet another combine method.
 (defun wl-mime-combine-message/partial-pieces (entity situation)
   "Internal method for wl to combine message/partial messages automatically."
   (interactive)
-  (let* ((msgdb (save-excursion
-                 (set-buffer wl-message-buffer-cur-summary-buffer)
-                 (wl-summary-buffer-msgdb)))
+  (let* ((folder (with-current-buffer wl-message-buffer-cur-summary-buffer
+                  wl-summary-buffer-elmo-folder))
         (mime-display-header-hook 'wl-highlight-headers)
-        (folder wl-message-buffer-cur-folder)
         (id (or (cdr (assoc "id" situation)) ""))
         (mother (current-buffer))
         (summary-buf wl-message-buffer-cur-summary-buffer)
@@ -500,11 +823,11 @@ With ARG, ask destination folder."
        (with-current-buffer mother
          (mime-store-message/partial-piece entity situation)
          (setq wl-message-buffer-cur-summary-buffer summary-buf)
-         (make-variable-buffer-local 'mime-preview-over-to-next-method-alist)
+         (make-local-variable 'mime-preview-over-to-next-method-alist)
          (setq mime-preview-over-to-next-method-alist
                (cons (cons 'mime-show-message-mode 'wl-message-exit)
                      mime-preview-over-to-next-method-alist))
-         (make-variable-buffer-local 'mime-preview-over-to-previous-method-alist)
+         (make-local-variable 'mime-preview-over-to-previous-method-alist)
          (setq mime-preview-over-to-previous-method-alist
                (cons (cons 'mime-show-message-mode 'wl-message-exit)
                      mime-preview-over-to-previous-method-alist)))
@@ -515,18 +838,16 @@ With ARG, ask destination folder."
              wl-summary-buffer-mime-charset)))
       (if (string-match "[0-9\n]+" subject-id)
          (setq subject-id (substring subject-id 0 (match-beginning 0))))
-      (setq overviews (elmo-msgdb-get-overview msgdb))
       (catch 'tag
-       (while overviews
+       (elmo-folder-do-each-message-entity (entity folder)
          (when (string-match
                 (regexp-quote subject-id)
-                (elmo-msgdb-overview-entity-get-subject (car overviews)))
+                (elmo-message-entity-field entity 'subject))
            (let* ((message
                    ;; request message at the cursor in Subject buffer.
                    (wl-message-request-partial
-                    folder
-                    (elmo-msgdb-overview-entity-get-number
-                     (car overviews))))
+                    (elmo-folder-name-internal folder)
+                    (elmo-message-entity-number entity)))
                   (situation (mime-entity-situation message))
                   (the-id (or (cdr (assoc "id" situation)) "")))
              (when (string= (downcase the-id)
@@ -534,8 +855,7 @@ With ARG, ask destination folder."
                (with-current-buffer mother
                  (mime-store-message/partial-piece message situation))
                (if (file-exists-p full-file)
-                   (throw 'tag nil)))))
-         (setq overviews (cdr overviews)))
+                   (throw 'tag nil))))))
        (message "Not all partials found.")))))
 
 (defun wl-mime-display-text/plain (entity situation)
@@ -545,7 +865,7 @@ With ARG, ask destination folder."
 
 (defun wl-mime-display-header (entity situation)
   (let ((elmo-message-ignored-field-list
-        (if wl-message-buffer-all-header-flag
+        (if wl-message-buffer-require-all-header
             nil
           wl-message-ignored-field-list))
        (elmo-message-visible-field-list wl-message-visible-field-list)
@@ -559,7 +879,7 @@ With ARG, ask destination folder."
     (mime-decrypt-application/pgp-encrypted entity situation)
     (setq wl-message-buffer-cur-summary-buffer summary-buffer)
     (setq wl-message-buffer-original-buffer original-buffer)))
-   
+
 
 ;;; Setup methods.
 (defun wl-mime-setup ()
@@ -573,8 +893,9 @@ With ARG, ask destination folder."
             'wl-original-message-mode 'wl-message-exit)
   (set-alist 'mime-preview-over-to-next-method-alist
             'wl-original-message-mode 'wl-message-exit)
-  (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-mime-out-buf)
-  (add-hook 'wl-message-exit-hook 'wl-message-delete-mime-out-buf)
+  (add-hook 'wl-summary-toggle-disp-off-hook 'wl-message-delete-popup-windows)
+  (add-hook 'wl-summary-redisplay-hook 'wl-message-delete-popup-windows)
+  (add-hook 'wl-message-exit-hook 'wl-message-delete-popup-windows)
 
   (ctree-set-calist-strictly
    'mime-preview-condition