X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=epa.el;h=7596176fb8bf9ec9f4c12ccec50ce45a58b83375;hb=c447878abb1cef760e440afa698f79a4d3c1b272;hp=73b867e7afcd39b12b86161c8b21a602de0ed423;hpb=36ea9cba97ee1214fba7f1f0b7176227f334ac16;p=elisp%2Fepg.git diff --git a/epa.el b/epa.el index 73b867e..7596176 100644 --- a/epa.el +++ b/epa.el @@ -1,49 +1,95 @@ +;;; epa.el --- the EasyPG Assistant +;; Copyright (C) 2006 Daiki Ueno + +;; Author: Daiki Ueno +;; Keywords: PGP, GnuPG + +;; This file is part of EasyPG. + +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2, or (at your option) +;; any later version. + +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. + +;;; Code: + (require 'epg) (require 'font-lock) +(require 'widget) +(eval-when-compile (require 'wid-edit)) (defgroup epa nil - "EasyPG Assistant, GUI for EasyPG." + "The EasyPG Assistant" :group 'epg) +(defcustom epa-armor nil + "If non-nil, epa commands create ASCII armored output." + :type 'boolean + :group 'epa) + +(defcustom epa-textmode nil + "If non-nil, epa commands treat input files as text." + :type 'boolean + :group 'epa) + +(defcustom epa-popup-info-window nil + "If non-nil, status information from epa commands is displayed on +the separate window." + :type 'boolean + :group 'epa) + +(defcustom epa-info-window-height 5 + "Number of lines used to display status information." + :type 'integer + :group 'epa) + (defgroup epa-faces nil "Faces for epa-mode." :group 'epa) -(defvar epa-buffer nil) - -(defface epa-trust-full-face +(defface epa-validity-high-face '((((class color) (background dark)) (:foreground "PaleTurquoise" :bold t)) (t (:bold t))) - "Face used for displaying the trust-full addon." + "Face used for displaying the high validity." :group 'epa-faces) -(defvar epa-trust-full-face 'epa-trust-full-face) +(defvar epa-validity-high-face 'epa-validity-high-face) -(defface epa-trust-disabled-face +(defface epa-validity-medium-face '((((class color) (background dark)) (:foreground "PaleTurquoise" :italic t)) (t ())) - "Face used for displaying the disabled trust." + "Face used for displaying the medium validity." :group 'epa-faces) -(defvar epa-trust-disabled-face 'epa-trust-disabled-face) +(defvar epa-validity-medium-face 'epa-validity-medium-face) -(defface epa-trust-unknown-face +(defface epa-validity-low-face '((t (:italic t))) - "Face used for displaying the trust-unknown addon." + "Face used for displaying the low validity." :group 'epa-faces) -(defvar epa-trust-unknown-face 'epa-trust-unknown-face) +(defvar epa-validity-low-face 'epa-validity-low-face) -(defface epa-trust-marginal-face +(defface epa-validity-disabled-face '((t (:italic t :inverse-video t))) - "Face used for displaying the trust-marginal addon." + "Face used for displaying the disabled validity." :group 'epa-faces) -(defvar epa-trust-marginal-face 'epa-trust-marginal-face) +(defvar epa-validity-disabled-face 'epa-validity-disabled-face) -(defface epa-user-id-face +(defface epa-string-face '((((class color) (background dark)) (:foreground "lightyellow")) @@ -52,267 +98,722 @@ (:foreground "blue4")) (t ())) - "Face used for displaying the user-id addon." + "Face used for displaying the string." + :group 'epa-faces) +(defvar epa-string-face 'epa-string-face) + +(defface epa-mark-face + '((((class color) (background dark)) + (:foreground "orange" :bold t)) + (t + (:foreground "red" :bold t))) + "Face used for displaying the high validity." :group 'epa-faces) -(defvar epa-user-id-face 'epa-user-id-face) +(defvar epa-mark-face 'epa-mark-face) + +(defface epa-field-name-face + '((((class color) (background dark)) + (:foreground "PaleTurquoise" :bold t)) + (t (:bold t))) + "Face for the name of the attribute field." + :group 'epa) +(defvar epa-field-name-face 'epa-field-name-face) + +(defface epa-field-body-face + '((((class color) (background dark)) + (:foreground "turquoise" :italic t)) + (t (:italic t))) + "Face for the body of the attribute field." + :group 'epa) +(defvar epa-field-body-face 'epa-field-body-face) (defcustom epa-validity-face-alist - '((?o . epa-trust-unknown-face) - (?i . epa-trust-disabled-face) - (?d . epa-trust-disabled-face) - (?r . epa-trust-disabled-face) - (?e . epa-trust-disabled-face) - (?- . epa-trust-unknown-face) - (?q . epa-trust-unknown-face) - (?n . epa-trust-disabled-face) - (?m . epa-trust-marginal-face) - (?f . epa-trust-full-face) - (?u . epa-trust-full-face) - (? . epa-trust-full-face)) - "An alist mapping marks on epa-buffer to faces." + '((unknown . epa-validity-disabled-face) + (invalid . epa-validity-disabled-face) + (disabled . epa-validity-disabled-face) + (revoked . epa-validity-disabled-face) + (expired . epa-validity-disabled-face) + (none . epa-validity-low-face) + (undefined . epa-validity-low-face) + (never . epa-validity-low-face) + (marginal . epa-validity-medium-face) + (full . epa-validity-high-face) + (ultimate . epa-validity-high-face)) + "An alist mapping validity values to faces." :type 'list :group 'epa) (defcustom epa-font-lock-keywords - '(("^[* ]\\([-oidreqnmfu ]\\)\\s-+\\(\\S-+\\)\\s-+\\(.*\\)" - (2 (cdr (assq (aref (match-string 1) 0) - epa-validity-face-alist))) - (3 epa-user-id-face))) + '(("^\\*" + (0 epa-mark-face)) + ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$" + (1 epa-field-name-face) + (2 epa-field-body-face))) "Default expressions to addon in epa-mode." :type '(repeat (list string)) :group 'epa) -(defvar epa-mode-map +(defconst epa-pubkey-algorithm-letter-alist + '((1 . ?R) + (2 . ?r) + (3 . ?s) + (16 . ?g) + (17 . ?D) + (20 . ?G))) + +(defvar epa-keys-buffer nil) +(defvar epa-key-buffer-alist nil) +(defvar epa-key nil) +(defvar epa-list-keys-arguments nil) +(defvar epa-info-buffer nil) + +(defvar epa-keys-mode-map (let ((keymap (make-sparse-keymap))) - (define-key keymap "m" 'epa-command-mark-key) - (define-key keymap "u" 'epa-command-unmark-key) - (define-key keymap "n" 'epa-command-next-line) + (define-key keymap "m" 'epa-mark) + (define-key keymap "u" 'epa-unmark) + (define-key keymap "d" 'epa-decrypt-file) + (define-key keymap "v" 'epa-verify-file) + (define-key keymap "s" 'epa-sign-file) + (define-key keymap "S" 'epa-sign-keys) + (define-key keymap "e" 'epa-encrypt-file) + (define-key keymap "r" 'epa-delete-keys) + (define-key keymap "i" 'epa-import-keys) + (define-key keymap "o" 'epa-export-keys) + (define-key keymap "g" 'epa-list-keys) + (define-key keymap "n" 'next-line) (define-key keymap "p" 'previous-line) - (define-key keymap "e" 'epa-command-encrypt-file) - (define-key keymap "s" 'epa-command-sign-file) (define-key keymap " " 'scroll-up) (define-key keymap [delete] 'scroll-down) + (define-key keymap "q" 'epa-exit-buffer) + keymap)) + +(defvar epa-key-mode-map + (let ((keymap (make-sparse-keymap))) (define-key keymap "q" 'bury-buffer) keymap)) -(defun epa-mode () - "Major mode for displaying addon list. -All normal editing commands are turned off." +(defvar epa-info-mode-map + (let ((keymap (make-sparse-keymap))) + (define-key keymap "q" 'delete-window) + keymap)) + +(defvar epa-exit-buffer-function #'bury-buffer) + +(define-widget 'epa-key 'push-button + "Button for representing a epg-key object." + :format "%[%v%]" + :button-face-get 'epa-key-widget-button-face-get + :value-create 'epa-key-widget-value-create + :action 'epa-key-widget-action + :help-echo 'epa-key-widget-help-echo) + +(defun epa-key-widget-action (widget &optional event) + (epa-show-key (widget-get widget :value))) + +(defun epa-key-widget-value-create (widget) + (let* ((key (widget-get widget :value)) + (primary-sub-key (car (epg-key-sub-key-list key))) + (primary-user-id (car (epg-key-user-id-list key)))) + (insert (format "%c " + (if (epg-sub-key-validity primary-sub-key) + (car (rassq (epg-sub-key-validity primary-sub-key) + epg-key-validity-alist)) + ? )) + (epg-sub-key-id primary-sub-key) + " " + (if (stringp (epg-user-id-string primary-user-id)) + (epg-user-id-string primary-user-id) + (epg-decode-dn (epg-user-id-string primary-user-id)))))) + +(defun epa-key-widget-button-face-get (widget) + (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list + (widget-get widget :value)))))) + (if validity + (cdr (assq validity epa-validity-face-alist)) + 'default))) + +(defun epa-key-widget-help-echo (widget) + (format "Show %s" + (epg-sub-key-id (car (epg-key-sub-key-list + (widget-get widget :value)))))) + +(defun epa-keys-mode () + "Major mode for `epa-list-keys'." (kill-all-local-variables) (buffer-disable-undo) - (setq major-mode 'epa-mode - mode-name "EPA" + (setq major-mode 'epa-keys-mode + mode-name "Keys" truncate-lines t buffer-read-only t) - (use-local-map epa-mode-map) + (use-local-map epa-keys-mode-map) + (set-keymap-parent (current-local-map) widget-keymap) (make-local-variable 'font-lock-defaults) (setq font-lock-defaults '(epa-font-lock-keywords t)) ;; In XEmacs, auto-initialization of font-lock is not effective ;; if buffer-file-name is not set. (font-lock-set-defaults) - (make-local-variable 'epa-marked-keys) - (run-hooks 'epa-mode-hook)) + (widget-setup) + (make-local-variable 'epa-exit-buffer-function) + (run-hooks 'epa-keys-mode-hook)) -(defun epa () - (interactive) - (unless epa-buffer - (setq epa-buffer (generate-new-buffer "*EPA*"))) - (set-buffer epa-buffer) - (epa-mode) +(defun epa-key-mode () + "Major mode for `epa-show-key'." + (kill-all-local-variables) + (buffer-disable-undo) + (setq major-mode 'epa-key-mode + mode-name "Key" + truncate-lines t + buffer-read-only t) + (use-local-map epa-key-mode-map) + (make-local-variable 'font-lock-defaults) + (setq font-lock-defaults '(epa-font-lock-keywords t)) + ;; In XEmacs, auto-initialization of font-lock is not effective + ;; if buffer-file-name is not set. + (font-lock-set-defaults) + (make-local-variable 'epa-exit-buffer-function) + (run-hooks 'epa-key-mode-hook)) + +;;;###autoload +(defun epa-list-keys (&optional name mode protocol) + (interactive + (if current-prefix-arg + (let ((name (read-string "Pattern: " + (if epa-list-keys-arguments + (car epa-list-keys-arguments))))) + (list (if (equal name "") nil name) + (y-or-n-p "Secret keys? ") + (intern (completing-read "Protocol? " + '(("OpenPGP") ("CMS")) + nil t)))) + (or epa-list-keys-arguments (list nil nil nil)))) + (unless (and epa-keys-buffer + (buffer-live-p epa-keys-buffer)) + (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) + (set-buffer epa-keys-buffer) (let ((inhibit-read-only t) buffer-read-only - configuration pointer entry point) + (point (point-min)) + (context (epg-make-context protocol))) + (unless (get-text-property point 'epa-list-keys) + (setq point (next-single-property-change point 'epa-list-keys))) + (when point + (delete-region point + (or (next-single-property-change point 'epa-list-keys) + (point-max))) + (goto-char point)) + (epa-insert-keys context name mode) + (epa-keys-mode)) + (make-local-variable 'epa-list-keys-arguments) + (setq epa-list-keys-arguments (list name mode protocol)) + (goto-char (point-min)) + (pop-to-buffer (current-buffer))) + +(defun epa-insert-keys (context name mode) + (save-excursion + (save-restriction + (narrow-to-region (point) (point)) + (let ((keys (epg-list-keys context name mode)) + point) + (while keys + (setq point (point)) + (insert " ") + (add-text-properties point (point) + (list 'epa-key (car keys) + 'front-sticky nil + 'rear-nonsticky t + 'start-open t + 'end-open t)) + (widget-create 'epa-key :value (car keys)) + (insert "\n") + (setq keys (cdr keys)))) + (add-text-properties (point-min) (point-max) + (list 'epa-list-keys t + 'front-sticky nil + 'rear-nonsticky t + 'start-open t + 'end-open t))))) + +(defun epa-marked-keys () + (or (save-excursion + (set-buffer epa-keys-buffer) + (goto-char (point-min)) + (let (keys key) + (while (re-search-forward "^\\*" nil t) + (if (setq key (get-text-property (match-beginning 0) + 'epa-key)) + (setq keys (cons key keys)))) + (nreverse keys))) + (save-excursion + (beginning-of-line) + (let ((key (get-text-property (point) 'epa-key))) + (if key + (list key)))))) + +;;;###autoload +(defun epa-select-keys (context prompt &optional names secret) + "Display a user's keyring and ask him to select keys. +CONTEXT is an epg-context. +PROMPT is a string to prompt with. +NAMES is a list of strings to be matched with keys. If it is nil, all +the keys are listed. +If SECRET is non-nil, list secret keys instead of public keys." + (save-excursion + (unless (and epa-keys-buffer + (buffer-live-p epa-keys-buffer)) + (setq epa-keys-buffer (generate-new-buffer "*Keys*"))) + (let ((inhibit-read-only t) + buffer-read-only + point) + (set-buffer epa-keys-buffer) + (erase-buffer) + (insert prompt "\n") + (widget-create 'link + :notify (lambda (&rest ignore) (abort-recursive-edit)) + :help-echo + (substitute-command-keys + "Click here or \\[abort-recursive-edit] to cancel") + "Cancel") + (widget-create 'link + :notify (lambda (&rest ignore) (exit-recursive-edit)) + :help-echo + (substitute-command-keys + "Click here or \\[exit-recursive-edit] to finish") + "OK") + (insert "\n\n") + (if names + (while names + (setq point (point)) + (epa-insert-keys context (car names) secret) + (goto-char point) + (epa-mark) + (goto-char (point-max)) + (setq names (cdr names))) + (epa-insert-keys context nil secret)) + (epa-keys-mode) + (setq epa-exit-buffer-function #'abort-recursive-edit) + (goto-char (point-min)) + (pop-to-buffer (current-buffer))) + (unwind-protect + (progn + (recursive-edit) + (epa-marked-keys)) + (if (get-buffer-window epa-keys-buffer) + (delete-window (get-buffer-window epa-keys-buffer))) + (kill-buffer epa-keys-buffer)))) + +(defun epa--format-seconds (seconds) + (let ((number-seconds (string-to-number (concat seconds ".0")))) + (format-time-string "%Y-%m-%d" + (cons (floor (/ number-seconds 65536)) + (floor (mod number-seconds 65536)))))) + +(defun epa-show-key (key) + (let* ((primary-sub-key (car (epg-key-sub-key-list key))) + (entry (assoc (epg-sub-key-id primary-sub-key) + epa-key-buffer-alist)) + (inhibit-read-only t) + buffer-read-only + pointer) + (unless entry + (setq entry (cons (epg-sub-key-id primary-sub-key) nil) + epa-key-buffer-alist (cons entry epa-key-buffer-alist))) + (unless (and (cdr entry) + (buffer-live-p (cdr entry))) + (setcdr entry (generate-new-buffer + (format "*Key*%s" (epg-sub-key-id primary-sub-key))))) + (set-buffer (cdr entry)) + (make-local-variable 'epa-key) + (setq epa-key key) (erase-buffer) - (insert "EasyPG Assistant\n\n") - (setq configuration (epg-configuration)) - (if (setq entry (assq 'version configuration)) - (insert (format "GnuPG %s\n" (cdr entry)))) - (if (setq entry (assq 'pubkey configuration)) - (insert (format "Pubkey: %s\n" - (mapconcat - (lambda (algorithm) - (if (setq entry - (assq algorithm - epg-pubkey-algorithm-alist)) - (cdr entry) - (format "(unknown: %d)" algorithm))) - (cdr entry) ", ")))) - (if (setq entry (assq 'cipher configuration)) - (insert (format "Cipher: %s\n" - (mapconcat - (lambda (algorithm) - (if (setq entry - (assq algorithm - epg-cipher-algorithm-alist)) - (cdr entry) - (format "(unknown: %d)" algorithm))) - (cdr entry) ", ")))) - (if (setq entry (assq 'digest configuration)) - (insert (format "Hash: %s\n" - (mapconcat - (lambda (algorithm) - (if (setq entry - (assq algorithm - epg-digest-algorithm-alist)) - (cdr entry) - (format "(unknown: %d)" algorithm))) - (cdr entry) ", ")))) - (if (setq entry (assq 'compress configuration)) - (insert (format "Compression: %s\n" - (mapconcat - (lambda (algorithm) - (if (setq entry - (assq algorithm - epg-compress-algorithm-alist)) - (cdr entry) - (format "(unknown: %d)" algorithm))) - (cdr entry) ", ")))) - (insert "\nSecret keys:\n\n") - (setq pointer (epg-list-keys nil t)) + (setq pointer (epg-key-user-id-list key)) (while pointer - (setq point (point)) - (setq entry (cdr (assq 'sec (car pointer)))) - (setq key-id (cdr (assq 'key-id entry))) - (insert (format " %s %s\n" - key-id - (cdr (assq 'user-id (assq 'uid (car pointer)))))) - (put-text-property point (point) 'epa-key-id key-id) - (put-text-property point (point) 'epa-key-secret t) + (insert " " + (if (epg-user-id-validity (car pointer)) + (char-to-string + (car (rassq (epg-user-id-validity (car pointer)) + epg-key-validity-alist))) + " ") + " " + (if (stringp (epg-user-id-string (car pointer))) + (epg-user-id-string (car pointer)) + (epg-decode-dn (epg-user-id-string (car pointer)))) + "\n") (setq pointer (cdr pointer))) - (insert "\nPublic keys:\n\n") - (setq pointer (epg-list-keys nil)) + (setq pointer (epg-key-sub-key-list key)) (while pointer - (setq point (point)) - (setq entry (cdr (assq 'pub (car pointer)))) - (setq key-id (cdr (assq 'key-id entry))) - (insert (format " %s %s %s\n" - (or (cdr (assq 'trust entry)) ? ) - key-id - (cdr (assq 'user-id (assq 'uid (car pointer)))))) - (put-text-property point (point) 'epa-key-id key-id) + (insert " " + (if (epg-sub-key-validity (car pointer)) + (char-to-string + (car (rassq (epg-sub-key-validity (car pointer)) + epg-key-validity-alist))) + " ") + " " + (epg-sub-key-id (car pointer)) + " " + (format "%dbits" + (epg-sub-key-length (car pointer))) + " " + (cdr (assq (epg-sub-key-algorithm (car pointer)) + epg-pubkey-algorithm-alist)) + "\n\tCreated: " + (epa--format-seconds (epg-sub-key-creation-time (car pointer))) + (if (epg-sub-key-expiration-time (car pointer)) + (format "\n\tExpires: %s" + (epa--format-seconds (epg-sub-key-expiration-time + (car pointer)))) + "") + "\n\tCapabilities: " + (mapconcat #'symbol-name + (epg-sub-key-capability (car pointer)) + " ") + "\n\tFingerprint: " + (epg-sub-key-fingerprint (car pointer)) + "\n") (setq pointer (cdr pointer))) (goto-char (point-min)) (pop-to-buffer (current-buffer)) - (delete-other-windows))) - -(defun epa-key-id () - (let ((key-id (get-text-property (point) 'epa-key-id)) - point) - (unless key-id - (setq point (next-single-property-change (point) 'epa-key-id)) - (when point - (goto-char point) - (setq key-id (get-text-property (point) 'epa-key-id)))) - key-id)) - -(defun epa-command-mark-key (key-id) - (interactive - (progn - (unless (eq major-mode 'epa-mode) - (error "Not in `epa-mode'")) - (list (epa-key-id)))) - (let ((point (point)) - (inhibit-read-only t) - buffer-read-only) - (while (and point - (not (equal (get-text-property point 'epa-key-id) key-id))) - (setq point (next-single-property-change point))) - (unless point - (error "Key %s not found" key-id)) - (goto-char point) + (epa-key-mode))) + +(defun epa-show-key-notify (widget &rest ignore) + (epa-show-key (widget-get widget :value))) + +(defun epa-mark (&optional arg) + "Mark the current line. +If ARG is non-nil, unmark the current line." + (interactive "P") + (let ((inhibit-read-only t) + buffer-read-only + properties) (beginning-of-line) - (delete-char) - (setq point (point)) - (insert "*") - (put-text-property point (point) 'epa-key-id key-id) + (setq properties (text-properties-at (point))) + (delete-char 1) + (insert (if arg " " "*")) + (set-text-properties (1- (point)) (point) properties) (forward-line))) -(defun epa-command-unmark-key (key-id) +(defun epa-unmark (&optional arg) + "Unmark the current line. +If ARG is non-nil, mark the current line." + (interactive "P") + (epa-mark (not arg))) + +(defun epa-exit-buffer () + "Exit the current buffer. +`epa-exit-buffer-function' is called if it is set." + (interactive) + (funcall epa-exit-buffer-function)) + +(defun epa-display-verify-result (verify-result) + (if epa-popup-info-window + (progn + (unless epa-info-buffer + (setq epa-info-buffer (generate-new-buffer "*Info*"))) + (save-excursion + (set-buffer epa-info-buffer) + (let ((inhibit-read-only t) + buffer-read-only) + (erase-buffer) + (insert (epg-verify-result-to-string verify-result))) + (epa-info-mode)) + (pop-to-buffer epa-info-buffer) + (if (> (window-height) epa-info-window-height) + (shrink-window (- (window-height) epa-info-window-height))) + (goto-char (point-min))) + (message "%s" (epg-verify-result-to-string verify-result)))) + +(defun epa-info-mode () + "Major mode for `epa-info-buffer'." + (kill-all-local-variables) + (buffer-disable-undo) + (setq major-mode 'epa-info-mode + mode-name "Info" + truncate-lines t + buffer-read-only t) + (use-local-map epa-info-mode-map) + (run-hooks 'epa-info-mode-hook)) + +;;;###autoload +(defun epa-decrypt-file (file) + "Decrypt FILE." + (interactive "fFile: ") + (let* ((default-name (file-name-sans-extension file)) + (plain (expand-file-name + (read-file-name + (concat "To file (default " + (file-name-nondirectory default-name) + ") ") + (file-name-directory default-name) + default-name))) + (context (epg-make-context))) + (message "Decrypting %s..." (file-name-nondirectory file)) + (epg-decrypt-file context file plain) + (message "Decrypting %s...done" (file-name-nondirectory file)) + (if (epg-context-result-for context 'verify) + (epa-display-verify-result (epg-context-result-for context 'verify))))) + +;;;###autoload +(defun epa-verify-file (file) + "Verify FILE." + (interactive "fFile: ") + (let* ((context (epg-make-context)) + (plain (if (equal (file-name-extension file) "sig") + (file-name-sans-extension file)))) + (message "Verifying %s..." (file-name-nondirectory file)) + (epg-verify-file context file plain) + (message "Verifying %s...done" (file-name-nondirectory file)) + (if (epg-context-result-for context 'verify) + (epa-display-verify-result (epg-context-result-for context 'verify))))) + +;;;###autoload +(defun epa-sign-file (file signers mode) + "Sign FILE by SIGNERS keys selected." (interactive - (progn - (unless (eq major-mode 'epa-mode) - (error "Not in `epa-mode'")) - (list (epa-key-id)))) - (let ((point (point)) - (inhibit-read-only t) - buffer-read-only) - (while (and point - (not (equal (get-text-property point 'epa-key-id) key-id))) - (setq point (next-single-property-change point))) - (unless point - (error "Key %s not found" key-id)) - (goto-char point) - (beginning-of-line) - (delete-char) - (setq point (point)) - (insert " ") - (put-text-property point (point) 'epa-key-id key-id) - (forward-line))) + (list (expand-file-name (read-file-name "File: ")) + (epa-select-keys (epg-make-context) "Select keys for signing. +If no one is selected, default secret key is used. " + nil t) + (if (y-or-n-p "Make a detached signature? ") + 'detached + (if (y-or-n-p "Make a cleartext signature? ") + 'clear)))) + (let ((signature (concat file + (if (or epa-armor + (not (memq mode '(nil t normal detached)))) + ".asc" + (if (memq mode '(t detached)) + ".sig" + ".gpg")))) + (context (epg-make-context))) + (epg-context-set-armor context epa-armor) + (epg-context-set-textmode context epa-textmode) + (epg-context-set-signers context signers) + (message "Signing %s..." (file-name-nondirectory file)) + (epg-sign-file context file signature mode) + (message "Signing %s...done" (file-name-nondirectory file)))) + +;;;###autoload +(defun epa-encrypt-file (file recipients) + "Encrypt FILE for RECIPIENTS." + (interactive + (list (expand-file-name (read-file-name "File: ")) + (epa-select-keys (epg-make-context) "Select recipents for encryption. +If no one is selected, symmetric encryption will be performed. "))) + (let ((cipher (concat file (if epa-armor ".asc" ".gpg"))) + (context (epg-make-context))) + (epg-context-set-armor context epa-armor) + (epg-context-set-textmode context epa-textmode) + (message "Encrypting %s..." (file-name-nondirectory file)) + (epg-encrypt-file context file recipients cipher) + (message "Encrypting %s...done" (file-name-nondirectory file)))) + +;;;###autoload +(defun epa-decrypt-region (start end) + "Decrypt the current region between START and END. + +Don't use this command in Lisp programs!" + (interactive "r") + (save-excursion + (let ((context (epg-make-context)) + plain) + (message "Decrypting...") + (setq plain (epg-decrypt-string context (buffer-substring start end))) + (message "Decrypting...done") + (delete-region start end) + (goto-char start) + (insert (decode-coding-string plain coding-system-for-read)) + (if (epg-context-result-for context 'verify) + (epa-display-verify-result (epg-context-result-for context 'verify)))))) + +;;;###autoload +(defun epa-decrypt-armor-in-region (start end) + "Decrypt OpenPGP armors in the current region between START and END. + +Don't use this command in Lisp programs!" + (interactive "r") + (save-excursion + (save-restriction + (narrow-to-region start end) + (goto-char start) + (let (armor-start armor-end charset coding-system) + (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t) + (setq armor-start (match-beginning 0) + armor-end (re-search-forward "^-----END PGP MESSAGE-----$" + nil t)) + (unless armor-end + (error "No armor tail")) + (goto-char armor-start) + (if (re-search-forward "^Charset: \\(.*\\)" armor-end t) + (setq charset (match-string 1))) + (if coding-system-for-read + (setq coding-system coding-system-for-read) + (if charset + (setq coding-system (intern (downcase charset))) + (setq coding-system 'utf-8))) + (let ((coding-system-for-read coding-system)) + (epa-decrypt-region start end))))))) -(defun epa-command-next-line (count) - (interactive "p") - (if (get-text-property (point) 'epa-key-id) - (next-line count) - (let ((point (next-single-property-change (point) 'epa-key-id))) - (if (and point - (get-text-property point 'epa-key-id)) - (goto-char point))))) +;;;###autoload +(defun epa-verify-region (start end) + "Verify the current region between START and END. -(defun epa-command-encrypt-file (plain cipher recipients sign) +Don't use this command in Lisp programs!" + (interactive "r") + (let ((context (epg-make-context))) + (epg-verify-string context + (encode-coding-string + (buffer-substring start end) + coding-system-for-write)) + (if (epg-context-result-for context 'verify) + (epa-display-verify-result (epg-context-result-for context 'verify))))) + +;;;###autoload +(defun epa-verify-armor-in-region (start end) + "Verify OpenPGP armors in the current region between START and END. + +Don't use this command in Lisp programs!" + (interactive "r") + (save-excursion + (save-restriction + (narrow-to-region start end) + (goto-char start) + (let (armor-start armor-end) + (while (re-search-forward "-----BEGIN PGP\\( SIGNED\\)? MESSAGE-----$" + nil t) + (setq armor-start (match-beginning 0)) + (if (match-beginning 1) ;cleartext signed message + (progn + (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$" + nil t) + (error "Invalid cleartext signed message")) + (setq armor-end (re-search-forward + "^-----END PGP SIGNATURE-----$" + nil t))) + (setq armor-end (re-search-forward + "^-----END PGP MESSAGE-----$" + nil t))) + (unless armor-end + (error "No armor tail")) + (epa-verify-region armor-start armor-end)))))) + +;;;###autoload +(defun epa-sign-region (start end signers mode) + "Sign the current region between START and END by SIGNERS keys selected. + +Don't use this command in Lisp programs!" (interactive - (save-excursion - (set-buffer epa-buffer) - (goto-char (point-min)) - (let (plain recipients) - (while (re-search-forward "^\\*" nil t) - (unless (get-text-property (point) 'epa-key-secret) - (setq recipients (cons (get-text-property (point) 'epa-key-id) - recipients)))) - (list (setq plain (expand-file-name (read-file-name "Plain file: "))) - (expand-file-name - (read-file-name (format "Cipher file (default %s.gpg) " - (file-name-nondirectory plain)) - (file-name-directory plain) - (concat plain ".gpg"))) - recipients - current-prefix-arg)))) - (message "Encrypting %s..." (file-name-nondirectory plain)) - (epg-encrypt-file (epg-make-context) - plain - recipients - (expand-file-name cipher) - sign) - (message "Encrypting %s...done" (file-name-nondirectory plain))) - -(defun epa-command-sign-file (plain signature detached signers) + (list (region-beginning) (region-end) + (epa-select-keys (epg-make-context) "Select keys for signing. +If no one is selected, default secret key is used. " + nil t) + (if (y-or-n-p "Make a detached signature? ") + 'detached + (if (y-or-n-p "Make a cleartext signature? ") + 'clear)))) + (save-excursion + (let ((context (epg-make-context)) + signature) + (epg-context-set-armor context epa-armor) + (epg-context-set-textmode context epa-textmode) + (epg-context-set-signers context signers) + (message "Signing...") + (setq signature (epg-sign-string context + (encode-coding-string + (buffer-substring start end) + coding-system-for-write) + mode)) + (message "Signing...done") + (delete-region start end) + (insert (decode-coding-string signature coding-system-for-read))))) + +;;;###autoload +(defun epa-encrypt-region (start end recipients) + "Encrypt the current region between START and END for RECIPIENTS. + +Don't use this command in Lisp programs!" + (interactive + (list (region-beginning) (region-end) + (epa-select-keys (epg-make-context) "Select recipents for encryption. +If no one is selected, symmetric encryption will be performed. "))) + (save-excursion + (let ((context (epg-make-context)) + cipher) + (epg-context-set-armor context epa-armor) + (epg-context-set-textmode context epa-textmode) + (message "Encrypting...") + (setq cipher (epg-encrypt-string context + (encode-coding-string + (buffer-substring start end) + coding-system-for-write) + recipients)) + (message "Encrypting...done") + (delete-region start end) + (insert cipher)))) + +;;;###autoload +(defun epa-delete-keys (keys &optional allow-secret) + "Delete selected KEYS." (interactive - (save-excursion - (set-buffer epa-buffer) - (goto-char (point-min)) - (let ((extension (if current-prefix-arg ".sig" ".gpg")) - plain signers) - (while (re-search-forward "^\\*" nil t) - (if (get-text-property (point) 'epa-key-secret) - (setq signers (cons (get-text-property (point) 'epa-key-id) - signers)))) - - (list (setq plain (expand-file-name (read-file-name "Plain file: "))) - (expand-file-name - (read-file-name (format "Signature file (default %s%s) " - (file-name-nondirectory plain) - extension) - (file-name-directory plain) - (concat plain extension))) - current-prefix-arg - signers)))) + (let ((keys (epa-marked-keys))) + (unless keys + (error "No keys selected")) + (list keys + (eq (nth 1 epa-list-keys-arguments) t)))) (let ((context (epg-make-context))) - (epg-context-set-signers context signers) - (message "Signing %s..." (file-name-nondirectory plain)) - (epg-sign-file context - plain - signature - (if detached 'detached)) - (message "Signing %s...done" (file-name-nondirectory plain)))) + (message "Deleting...") + (epg-delete-keys context keys allow-secret) + (message "Deleting...done") + (apply #'epa-list-keys epa-list-keys-arguments))) + +;;;###autoload +(defun epa-import-keys (file) + "Import keys from FILE." + (interactive "fFile: ") + (let ((context (epg-make-context))) + (message "Importing %s..." (file-name-nondirectory file)) + (epg-import-keys-from-file context (expand-file-name file)) + (message "Importing %s...done" (file-name-nondirectory file)) + (apply #'epa-list-keys epa-list-keys-arguments))) + +;;;###autoload +(defun epa-export-keys (keys file) + "Export selected KEYS to FILE." + (interactive + (let ((keys (epa-marked-keys)) + default-name) + (unless keys + (error "No keys selected")) + (setq default-name + (expand-file-name + (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys)))) + (if epa-armor ".asc" ".gpg")) + default-directory)) + (list keys + (expand-file-name + (read-file-name + (concat "To file (default " + (file-name-nondirectory default-name) + ") ") + (file-name-directory default-name) + default-name))))) + (let ((context (epg-make-context))) + (epg-context-set-armor context epa-armor) + (message "Exporting to %s..." (file-name-nondirectory file)) + (epg-export-keys-to-file context keys file) + (message "Exporting to %s...done" (file-name-nondirectory file)))) + +;;;###autoload +(defun epa-sign-keys (keys &optional local) + "Sign selected KEYS. +If LOCAL is non-nil, the signature is marked as non exportable." + (interactive + (let ((keys (epa-marked-keys))) + (unless keys + (error "No keys selected")) + (list keys current-prefix-arg))) + (let ((context (epg-make-context))) + (message "Signing keys...") + (epg-sign-keys context keys local) + (message "Signing keys...done"))) (provide 'epa)