* wl-vars.el (wl-draft-send-confirm-type): New user option.
[elisp/wanderlust.git] / wl / wl-mime.el
index aed73e5..3a99e45 100644 (file)
 
 ;;; Code:
 ;;
-
 (require 'mime-view)
 (require 'mime-edit)
 (require 'mime-play)
 (require 'elmo)
+(require 'wl-vars)
 
 (eval-when-compile
   (defalias-maybe 'pgg-decrypt-region 'ignore)
@@ -66,12 +66,51 @@ has Non-nil value\)"
          (set-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)))
+    (save-excursion
+      (set-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 ()
   "Write follow message to current region.
 It calls following-method selected from variable
@@ -94,7 +133,8 @@ It calls following-method selected from variable
        (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)))
@@ -107,8 +147,7 @@ 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
@@ -126,38 +165,83 @@ 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
           "Sorry, following method for %s is not implemented yet."
-          mode)
-         ))
-      )))
+          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 ()
-  (concat (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)
-               "$")
-              nil t)
-             (point)))
-          ", ")))
+  (let (wl-draft-remove-group-list-contents)
+    (mapconcat
+     'identity
+     (nconc
+      (wl-draft-deduce-address-list
+       (current-buffer)
+       (point-min)
+       (save-excursion
+        (goto-char (point-min))
+        (re-search-forward
+         (concat
+          "^"
+          (regexp-quote mail-header-separator)
+          "$")
+         nil t)
+        (point)))
+      (wl-draft-parse-mailbox-list wl-draft-mime-bcc-field-name))
+     ", ")))
 
 (defun wl-draft-attribute-envelope-from ()
   (or wl-envelope-from
@@ -172,6 +256,36 @@ It calls following-method selected from variable
   (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)
@@ -185,10 +299,23 @@ It calls following-method selected from variable
          ((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* (attribute-list
+  (let* (attribute-values
         (orig-buffer (current-buffer))
         (current-point (point))
         (config-exec-flag wl-draft-config-exec-flag)
@@ -202,75 +329,46 @@ 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
-           (lambda ()
-             (let ((wl-draft-config-exec-flag config-exec-flag)
-                   (wl-draft-parent-folder parent-folder)
-                   (copy-buffer (current-buffer)))
+         (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
-                 (wl-copy-local-variables
-                  orig-buffer
-                  copy-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-list
-                         (mapcar
-                          (lambda (attr)
-                            (cons attr (wl-draft-attribute-value attr)))
-                          wl-draft-preview-attributes-list))
-                 (error
-                  (kill-buffer (current-buffer))
-                  (signal (car err) (cdr err)))))))
+                 (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))
-    (make-local-variable 'kill-buffer-hook)
-    (add-hook 'kill-buffer-hook
-             (lambda ()
-               (when (get-buffer-window
-                      wl-draft-preview-attributes-buffer-name)
-                 (select-window (get-buffer-window
-                                 wl-draft-preview-attributes-buffer-name))
-                 (delete-window))
-               (when (get-buffer wl-draft-preview-attributes-buffer-name)
-                 (kill-buffer (get-buffer
-                               wl-draft-preview-attributes-buffer-name)))))
-    (if (not wl-draft-preview-attributes)
-       (message (concat "Recipients: "
-                        (cdr (assq 'recipients attribute-list))))
-      (ignore-errors ; in case when the window is too small
-       (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-list)
-               (insert (capitalize (symbol-name (car pair))) ": "
-                       (format "%s" (or (cdr pair) ""))
-                       "\n"))
-             (goto-char (point-min))
-             (wl-highlight-headers)))
-         (select-window cur-win))))))
+    (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)
 
@@ -303,8 +401,6 @@ It calls following-method selected from variable
    (elmo-message-fetch (wl-folder-get-elmo-folder folder)
                       number
                       (elmo-make-fetch-strategy 'entire)
-                      nil
-                      (current-buffer)
                       'unread)
    (mime-parse-buffer nil)))
 
@@ -331,6 +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))
@@ -342,8 +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)
@@ -355,7 +453,17 @@ It calls following-method selected from variable
                (insert-buffer 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))
 
@@ -390,47 +498,44 @@ It calls following-method selected from variable
            (message "Cannot find pgp encrypted region")))
       (message "Cannot find pgp encrypted region"))))
 
-(defun wl-message-verify-pgp-nonmime ()
-  "Verify PGP signed region"
-  (interactive)
+(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)
-    (if (and (or (re-search-forward "^-+END PGP SIGNATURE-+$" nil t)
-                (re-search-backward "^-+END PGP SIGNATURE-+$" nil t))
-            (re-search-backward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t))
-       (let (status)
-         (let* ((beg (point))
-                (situation (mime-preview-find-boundary-info))
-                (p-end (aref situation 1))
-                (entity (aref situation 2))
-                (count 0))
-           (goto-char p-end)
-           (while (< beg (point))
-             (if (re-search-backward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t)
-                 (setq count (+ count 1))
-               (debug)))
-           (with-temp-buffer
-             (set-buffer-multibyte nil)
-             (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))
-         (insert-buffer-substring
-          (if status pgg-output-buffer pgg-errors-buffer)))
-      (message "Cannot find pgp signed region"))))
+    (let ((message-buffer (current-buffer))
+         beg end coding-system success)
+      (setq end (and (or (re-search-forward "^-+END PGP SIGNATURE-+$" nil t)
+                        (re-search-backward "^-+END PGP SIGNATURE-+$" nil t)
+                        (error "Cannot find pgp signed region"))
+                    (match-end 0)))
+      (setq beg (or (re-search-backward "^-+BEGIN PGP SIGNED MESSAGE-+$" nil t)
+                   (error "Cannot find pgp signed region")))
+      (setq coding-system
+           (or (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)))
+      (with-temp-buffer
+       (insert-buffer-substring message-buffer beg end)
+       (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)))))
 
 ;; XXX: encrypted multipart isn't represented as multipart
 (defun wl-mime-preview-application/pgp (parent-entity entity situation)
@@ -492,6 +597,7 @@ It calls following-method selected from variable
           (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))))
     number))
@@ -535,12 +641,13 @@ With ARG, ask destination folder."
 (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)))
@@ -573,11 +680,11 @@ 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)))
@@ -592,7 +699,7 @@ With ARG, ask destination folder."
        (elmo-folder-do-each-message-entity (entity folder)
          (when (string-match
                 (regexp-quote subject-id)
-                (elmo-message-entity-field entity 'subject 'decode))
+                (elmo-message-entity-field entity 'subject))
            (let* ((message
                    ;; request message at the cursor in Subject buffer.
                    (wl-message-request-partial
@@ -629,7 +736,7 @@ 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 ()