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emacs: Add callback functions to crypto sigstatus button.

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This adds two callback functions to the sigstatus button.  If the sig
status is "good", then clicking the button displays the output of "gpg
--list-keys" on the key fingerprint.  If the sigstatus is "bad", then
clicking the button will retrieve the key from the keyserver, and
redisplay the current buffer.

Thanks to David Bremner <bremner@unb.ca> for help with this.
This commit is contained in:
Jameson Graef Rollins 2011-05-31 10:07:13 -07:00 committed by David Bremner
parent fbe3c38655
commit d1519d256a
1 changed files with 42 additions and 10 deletions
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42
emacs/notmuch-crypto.el
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@ -70,20 +70,26 @@ search."
(let* ((status (plist-get sigstatus :status)) (let* ((status (plist-get sigstatus :status))
(help-msg nil) (help-msg nil)
(label "Signature not processed") (label "Signature not processed")
(face 'notmuch-crypto-signature-unknown)) (face 'notmuch-crypto-signature-unknown)
(button-action '(lambda (button) (message (button-get button 'help-echo)))))
(cond (cond
((string= status "good") ((string= status "good")
; if userid present, userid has full or greater validity (let ((fingerprint (concat "0x" (plist-get sigstatus :fingerprint))))
;; if userid present, userid has full or greater validity
(if (plist-member sigstatus :userid) (if (plist-member sigstatus :userid)
(let ((userid (plist-get sigstatus :userid))) (let ((userid (plist-get sigstatus :userid)))
(setq label (concat "Good signature by: " userid)) (setq label (concat "Good signature by: " userid))
(setq face 'notmuch-crypto-signature-good)) (setq face 'notmuch-crypto-signature-good))
(let ((fingerprint (concat "0x" (plist-get sigstatus :fingerprint)))) (progn
(setq label (concat "Good signature by key: " fingerprint)) (setq label (concat "Good signature by key: " fingerprint))
(setq face 'notmuch-crypto-signature-good-key)))) (setq face 'notmuch-crypto-signature-good-key)))
(setq button-action 'notmuch-crypto-sigstatus-good-callback)
(setq help-msg (concat "Click to list key ID 0x" fingerprint "."))))
((string= status "error") ((string= status "error")
(let ((keyid (concat "0x" (plist-get sigstatus :keyid)))) (let ((keyid (concat "0x" (plist-get sigstatus :keyid))))
(setq label (concat "Unknown key ID " keyid " or unsupported algorithm")))) (setq label (concat "Unknown key ID " keyid " or unsupported algorithm"))
(setq button-action 'notmuch-crypto-sigstatus-error-callback)
(setq help-msg (concat "Click to retreive key ID " keyid " from keyserver and redisplay."))))
((string= status "bad") ((string= status "bad")
(let ((keyid (concat "0x" (plist-get sigstatus :keyid)))) (let ((keyid (concat "0x" (plist-get sigstatus :keyid))))
(setq label (concat "Bad signature (claimed key ID " keyid ")")) (setq label (concat "Bad signature (claimed key ID " keyid ")"))
@ -97,10 +103,36 @@ search."
'help-echo help-msg 'help-echo help-msg
'face face 'face face
'mouse-face face 'mouse-face face
'action button-action
:notmuch-sigstatus sigstatus :notmuch-sigstatus sigstatus
:notmuch-from from) :notmuch-from from)
(insert "\n"))) (insert "\n")))
(declare-function notmuch-show-refresh-view "notmuch-show" (&optional crypto-switch))
(defun notmuch-crypto-sigstatus-good-callback (button)
(let* ((sigstatus (button-get button :notmuch-sigstatus))
(fingerprint (concat "0x" (plist-get sigstatus :fingerprint)))
(buffer (get-buffer-create "*notmuch-crypto-gpg-out*"))
(window (display-buffer buffer t nil)))
(with-selected-window window
(with-current-buffer buffer
(call-process "gpg" nil t t "--list-keys" fingerprint))
(recenter -1))))
(defun notmuch-crypto-sigstatus-error-callback (button)
(let* ((sigstatus (button-get button :notmuch-sigstatus))
(keyid (concat "0x" (plist-get sigstatus :keyid)))
(buffer (get-buffer-create "*notmuch-crypto-gpg-out*"))
(window (display-buffer buffer t nil)))
(with-selected-window window
(with-current-buffer buffer
(call-process "gpg" nil t t "--recv-keys" keyid)
(insert "\n")
(call-process "gpg" nil t t "--list-keys" keyid))
(recenter -1))
(notmuch-show-refresh-view)))
(defun notmuch-crypto-insert-encstatus-button (encstatus) (defun notmuch-crypto-insert-encstatus-button (encstatus)
(let* ((status (plist-get encstatus :status)) (let* ((status (plist-get encstatus :status))
(help-msg nil) (help-msg nil)