-;;; mime-pgp.el --- mime-view internal methods for PGP.
+;;; mime-pgp.el --- mime-view internal methods for either PGP or GnuPG.
;; Copyright (C) 1995,1996,1997,1998,1999 MORIOKA Tomohiko
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Katsumi Yamaoka <yamaoka@jpl.org>
;; Created: 1995/12/7
;; Renamed: 1997/2/27 from tm-pgp.el
-;; Keywords: PGP, security, MIME, multimedia, mail, news
+;; Keywords: PGP, GnuPG, security, MIME, multimedia, mail, news
;; This file is part of SEMI (Secure Emacs MIME Interface).
;; [security-multipart] RFC 1847: "Security Multiparts for MIME:
;; Multipart/Signed and Multipart/Encrypted" by
-;; Jim Galvin <galvin@tis.com>, Sandy Murphy <sandy@tis.com>,
+;; Jim Galvin <galvin@tis.com>, Sandy Murphy <sandy@tis.com>,
;; Steve Crocker <crocker@cybercash.com> and
-;; Ned Freed <ned@innosoft.com> (1995/10)
+;; Ned Freed <ned@innosoft.com> (1995/10)
;; [PGP/MIME] RFC 2015: "MIME Security with Pretty Good Privacy
;; (PGP)" by Michael Elkins <elkins@aero.org> (1996/6)
;; by Kazuhiko Yamamoto <kazu@is.aist-nara.ac.jp> (1995/10;
;; expired)
+;; [OpenPGP/MIME] draft-yamamoto-openpgp-mime-00.txt: "MIME
+;; Security with OpenPGP (OpenPGP/MIME)" by Kazuhiko YAMAMOTO
+;; <kazu@iijlab.net> (1998/1)
+
;;; Code:
+(require 'std11)
+(require 'semi-def)
(require 'mime-play)
+(defgroup mime-pgp nil
+ "Internal methods for either PGP or GnuPG."
+ :prefix "mime-pgp-"
+ :group 'mime)
;;; @ Internal method for multipart/signed
;;;
(delete-region
(point-min)
(and
- (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE-+\n\n")
+ (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE-+\n")
+ (search-forward "\n\n")
(match-end 0)))
(delete-region
(and (re-search-forward "^-+BEGIN PGP SIGNATURE-+")
;;; @ Internal method for application/pgp-signature
;;;
-;;; It is based on RFC 2015 (PGP/MIME).
-
-(defvar mime-pgp-command "pgp"
- "*Name of the PGP command.")
-
-(defvar mime-pgp-default-language 'en
- "*Symbol of language for pgp.
-It should be ISO 639 2 letter language code such as en, ja, ...")
-
-(defvar mime-pgp-good-signature-regexp-alist
- '((en . "Good signature from user.*$"))
- "Alist of language vs regexp to detect ``Good signature''.")
-
-(defvar mime-pgp-key-expected-regexp-alist
- '((en . "Key matching expected Key ID \\(\\S +\\) not found"))
- "Alist of language vs regexp to detect ``Key expected''.")
+;;; It is based on RFC 2015 (PGP/MIME) and
+;;; draft-yamamoto-openpgp-mime-00.txt (OpenPGP/MIME).
+
+(defcustom mime-pgp-command-alist '((gpg . "gpg")
+ (pgp50 . "pgp")
+ (pgp . "pgp"))
+ "Alist of the schemes and the name of the commands. Valid SCHEMEs are:
+
+ gpg - GnuPG.
+ pgp50 - PGP version 5.0i.
+ pgp - PGP version 2.6.
+
+COMMAND for `pgp50' must *NOT* have a suffix, like neither \"pgpe\", \"pgpk\",
+\"pgps\" nor \"pgpv\"."
+ :group 'mime-pgp
+ :type '(repeat (cons :format "%v"
+ (choice (choice-item :tag "GnuPG" gpg)
+ (choice-item :tag "PGP 5.0i" pgp50)
+ (choice-item :tag "PGP 2.6" pgp))
+ (string :tag "Command"))))
+
+(defcustom mime-pgp-default-language-alist '((gpg . nil)
+ (pgp50 . us)
+ (pgp . en))
+ "Alist of the schemes and the symbol of languages. It should be ISO 639
+2 letter language code such as en, ja, ... Each element looks like
+\(SCHEME . SYMBOL). See also `mime-pgp-command-alist' for valid SCHEMEs."
+ :group 'mime-pgp
+ :type '(repeat (cons :format "%v"
+ (choice (choice-item :tag "GnuPG" gpg)
+ (choice-item :tag "PGP 5.0i" pgp50)
+ (choice-item :tag "PGP 2.6" pgp))
+ (symbol :tag "Language"))))
+
+(defcustom mime-pgp-good-signature-regexp-alist
+ '((gpg
+ (nil "Good signature from.*$" nil)
+ )
+ (pgp50
+ (us "Good signature made .* by key:$"
+ mime-pgp-good-signature-post-function-pgp50-us)
+ )
+ (pgp
+ (en "Good signature from user.*$" nil)
+ ))
+ "Alist of the schemes and alist of the languages and the regexps for
+detecting ``Good signature''. The optional symbol of the post processing
+function for arranging the output message can be specified in each element.
+It will be called just after re-search is done successfully, and it is
+expected that the function returns a string for messaging."
+ :group 'mime-pgp
+ :type '(repeat (cons :format "%v"
+ (choice (choice-item :tag "GnuPG" gpg)
+ (choice-item :tag "PGP 5.0i" pgp50)
+ (choice-item :tag "PGP 2.6" pgp))
+ (repeat (list :format "%v"
+ (symbol :tag "Language")
+ (regexp :tag "Regexp")
+ (function :tag "Post Function"))))))
+
+(defcustom mime-pgp-bad-signature-regexp-alist
+ '((gpg
+ (nil "BAD signature from.*$" nil)
+ )
+ (pgp50
+ (us "BAD signature made .* by key:$"
+ mime-pgp-bad-signature-post-function-pgp50-us)
+ )
+ (pgp
+ (en "Bad signature from user.*$" nil)
+ ))
+ "Alist of the schemes and alist of the languages and the regexps for
+detecting ``BAD signature''. The optional symbol of the post processing
+function for arranging the output message can be specified in each element.
+It will be called just after re-search is done successfully, and it is
+expected that the function returns a string for messaging."
+ :group 'mime-pgp
+ :type '(repeat (cons :format "%v"
+ (choice (choice-item :tag "GnuPG" gpg)
+ (choice-item :tag "PGP 5.0i" pgp50)
+ (choice-item :tag "PGP 2.6" pgp))
+ (repeat (list :format "%v"
+ (symbol :tag "Language")
+ (regexp :tag "Regexp")
+ (function :tag "Post Function"))))))
+
+(defcustom mime-pgp-key-expected-regexp-alist
+ '((gpg
+ (nil
+ .
+ "key ID \\(\\S +\\)\ngpg: Can't check signature: public key not found")
+ )
+ (pgp50
+ (us . "Signature by unknown keyid: 0x\\(\\S +\\)")
+ )
+ (pgp
+ (en . "Key matching expected Key ID \\(\\S +\\) not found")
+ ))
+ "Alist of the schemes and alist of the languages and regexps for detecting
+``Key expected''."
+ :group 'mime-pgp
+ :type '(repeat (cons :format "%v"
+ (choice (choice-item :tag "GnuPG" gpg)
+ (choice-item :tag "PGP 5.0i" pgp50)
+ (choice-item :tag "PGP 2.6" pgp))
+ (repeat (cons :format "%v"
+ (symbol :tag "Language")
+ (regexp :tag "Regexp"))))))
+
+(defmacro mime-pgp-command (&optional suffix)
+ "Return a suitable command. SUFFIX should be either \"e\", \"k\", \"s\"
+or \"v\" for choosing a command of PGP 5.0i."
+ (` (let ((command (cdr (assq pgp-version mime-pgp-command-alist))))
+ (if (and command
+ (progn
+ (if (eq 'pgp50 pgp-version)
+ (setq command (format "%s%s" command (, suffix))))
+ (exec-installed-p command)))
+ command
+ (error "Please specify the valid command name for `%s'."
+ (or pgp-version 'pgp-version))))))
+
+(defmacro mime-pgp-default-language ()
+ "Return a symbol of language."
+ '(cond ((eq 'gpg pgp-version)
+ nil)
+ ((eq 'pgp50 pgp-version)
+ (or (cdr (assq pgp-version mime-pgp-default-language-alist)) 'us)
+ )
+ (t
+ (or (cdr (assq pgp-version mime-pgp-default-language-alist)) 'en)
+ )))
+
+(defmacro mime-pgp-good-signature-regexp ()
+ "Return a regexp to detect ``Good signature''."
+ '(nth 1
+ (assq
+ (mime-pgp-default-language)
+ (cdr (assq pgp-version mime-pgp-good-signature-regexp-alist))
+ )))
+
+(defmacro mime-pgp-good-signature-post-function ()
+ "Return a post processing function for arranging the message for
+``Good signature''."
+ '(nth 2
+ (assq
+ (mime-pgp-default-language)
+ (cdr (assq pgp-version mime-pgp-good-signature-regexp-alist))
+ )))
+
+(defmacro mime-pgp-bad-signature-regexp ()
+ "Return a regexp to detect ``BAD signature''."
+ '(nth 1
+ (assq
+ (mime-pgp-default-language)
+ (cdr (assq pgp-version mime-pgp-bad-signature-regexp-alist))
+ )))
+
+(defmacro mime-pgp-bad-signature-post-function ()
+ "Return a post processing function for arranging the message for
+``BAD signature''."
+ '(nth 2
+ (assq
+ (mime-pgp-default-language)
+ (cdr (assq pgp-version mime-pgp-bad-signature-regexp-alist))
+ )))
+
+(defmacro mime-pgp-key-expected-regexp ()
+ "Return a regexp to detect ``Key expected''."
+ '(cdr (assq (mime-pgp-default-language)
+ (cdr (assq pgp-version mime-pgp-key-expected-regexp-alist))
+ )))
+
+(defun mime-pgp-detect-version (entity)
+ "Detect PGP version from detached signature."
+ (with-temp-buffer
+ (mime-insert-entity-content entity)
+ (std11-narrow-to-header)
+ (let ((version (std11-fetch-field "Version")))
+ (cond ((not version)
+ pgp-version)
+ ((string-match "GnuPG" version)
+ 'gpg)
+ ((string-match "5\\.0i" version)
+ 'pgp50)
+ ((string-match "2\\.6" version)
+ 'pgp)
+ (t
+ pgp-version)))))
(defun mime-pgp-check-signature (output-buffer orig-file)
- (save-excursion
- (set-buffer output-buffer)
- (erase-buffer))
- (let* ((lang (or mime-pgp-default-language 'en))
- (status (call-process-region (point-min)(point-max)
- mime-pgp-command
- nil output-buffer nil
- orig-file (format "+language=%s" lang)))
- (regexp (cdr (assq lang mime-pgp-good-signature-regexp-alist))))
- (if (= status 0)
- (save-excursion
- (set-buffer output-buffer)
- (goto-char (point-min))
- (message
- (cond ((not (stringp regexp))
- "Please specify right regexp for specified language")
- ((re-search-forward regexp nil t)
- (buffer-substring (match-beginning 0) (match-end 0)))
- (t "Bad signature")))
- ))))
+ (with-current-buffer output-buffer
+ (erase-buffer)
+ (setq truncate-lines t))
+ (let* ((lang (mime-pgp-default-language))
+ (command (mime-pgp-command 'v))
+ (args (cond ((eq 'gpg pgp-version)
+ (list "--batch" "--verify"
+ (concat orig-file ".sig"))
+ )
+ ((eq 'pgp50 pgp-version)
+ (list "+batchmode=1"
+ (format "+language=%s" lang)
+ (concat orig-file ".sig"))
+ )
+ ((eq 'pgp pgp-version)
+ (list (format "+language=%s" lang) orig-file))
+ ))
+ (good-regexp (mime-pgp-good-signature-regexp))
+ (good-post-function (mime-pgp-good-signature-post-function))
+ (bad-regexp (mime-pgp-bad-signature-regexp))
+ (bad-post-function (mime-pgp-bad-signature-post-function))
+ status
+ )
+ (setq status (apply 'call-process-region (point-min) (point-max)
+ command nil output-buffer nil args)
+ )
+ (with-current-buffer output-buffer
+ (goto-char (point-min))
+ (cond ((not (stringp good-regexp))
+ (message "Please specify right regexp for specified language")
+ )
+ ((and (zerop status) (re-search-forward good-regexp nil t))
+ (message (if good-post-function
+ (funcall good-post-function)
+ (buffer-substring (match-beginning 0)
+ (match-end 0))))
+ (goto-char (point-min))
+ )
+ ((not (stringp bad-regexp))
+ (message "Please specify right regexp for specified language")
+ )
+ ((re-search-forward bad-regexp nil t)
+ (message (if bad-post-function
+ (funcall bad-post-function)
+ (buffer-substring (match-beginning 0)
+ (match-end 0))))
+ (goto-char (point-min))
+ )
+ (t
+ ;; Returns nil in order for attempt to fetch key.
+ nil
+ )))))
+
+(defmacro mime-pgp-parse-verify-error (&rest forms)
+ (` (with-current-buffer mime-echo-buffer-name
+ (goto-char (point-min))
+ (prog1
+ (let ((regexp (mime-pgp-key-expected-regexp)))
+ (cond
+ ((not (stringp regexp))
+ (message "Please specify right regexp for specified language")
+ nil
+ )
+ ((re-search-forward regexp nil t)
+ (concat "0x" (buffer-substring-no-properties
+ (match-beginning 1) (match-end 1)))
+ )))
+ (goto-char (point-min))
+ (,@ forms)
+ (set-window-start
+ (get-buffer-window mime-echo-buffer-name) (point))
+ ))))
+
+(defun mime-pgp-parse-verify-error-for-gpg ()
+ "Subroutine used for parsing verify error with GnuPG. Returns expected
+key-ID if it is found."
+ (mime-pgp-parse-verify-error)
+ )
+
+(defun mime-pgp-parse-verify-error-for-pgp50 ()
+ "Subroutine used for parsing verify error with PGP 5.0i. Returns expected
+key-ID if it is found."
+ (mime-pgp-parse-verify-error
+ (forward-line 1)
+ ))
+
+(defun mime-pgp-parse-verify-error-for-pgp ()
+ "Subroutine used for parsing verify error with PGP 2.6. Returns expected
+key-ID if it is found."
+ (mime-pgp-parse-verify-error
+ (if (search-forward "\C-g" nil t)
+ (goto-char (match-beginning 0))
+ (forward-line 7))
+ ))
(defun mime-verify-application/pgp-signature (entity situation)
"Internal method to check PGP/MIME signature."
(basename (expand-file-name "tm" temporary-file-directory))
(orig-file (make-temp-name basename))
(sig-file (concat orig-file ".sig"))
- )
+ (pgp-version (mime-pgp-detect-version entity))
+ (parser (intern (format "mime-pgp-parse-verify-error-for-%s"
+ pgp-version)))
+ pgp-id done)
(mime-write-entity orig-entity orig-file)
- (save-excursion (mime-show-echo-buffer))
+ (save-current-buffer (mime-show-echo-buffer))
(mime-write-entity-content entity sig-file)
- (or (mime-pgp-check-signature mime-echo-buffer-name orig-file)
- (let (pgp-id)
- (save-excursion
- (set-buffer mime-echo-buffer-name)
- (goto-char (point-min))
- (let ((regexp (cdr (assq (or mime-pgp-default-language 'en)
- mime-pgp-key-expected-regexp-alist))))
- (cond ((not (stringp regexp))
- (message
- "Please specify right regexp for specified language")
- )
- ((re-search-forward regexp nil t)
- (setq pgp-id
- (concat "0x" (buffer-substring-no-properties
- (match-beginning 1)
- (match-end 1))))
- ))))
- (if (and pgp-id
- (y-or-n-p
- (format "Key %s not found; attempt to fetch? " pgp-id))
- )
- (progn
+ (message "Checking signature...")
+ (unwind-protect
+ (while (not done)
+ (if (setq done (mime-pgp-check-signature
+ mime-echo-buffer-name orig-file))
+ (let ((other-window-scroll-buffer mime-echo-buffer-name))
+ (scroll-other-window
+ (cdr (assq pgp-version
+ '((gpg . 0) (pgp50 . 1) (pgp . 10)))))
+ )
+ (if (and
+ (not pgp-id)
+ (setq pgp-id (funcall parser))
+ (y-or-n-p (format "Key %s not found; attempt to fetch? "
+ pgp-id))
+ )
(funcall (pgp-function 'fetch-key) (cons nil pgp-id))
- (mime-pgp-check-signature mime-echo-buffer-name orig-file)
- ))
- ))
- (let ((other-window-scroll-buffer mime-echo-buffer-name))
- (scroll-other-window 8)
- )
- (delete-file orig-file)
- (delete-file sig-file)
- ))
+ (funcall parser)
+ (setq done t)
+ (message "Can't check signature")
+ )))
+ (delete-file orig-file)
+ (delete-file sig-file)
+ )))
+
+(defun mime-pgp-good-signature-post-function-pgp50-us ()
+ (forward-line 2)
+ (looking-at "\\s +\\(.+\\)$")
+ (format "Good signature from %s" (match-string 1)))
+
+(defun mime-pgp-bad-signature-post-function-pgp50-us ()
+ (forward-line 2)
+ (looking-at "\\s +\\(.+\\)$")
+ (format "BAD signature from %s" (match-string 1)))
;;; @ Internal method for application/pgp-encrypted
;;;
-;;; It is based on RFC 2015 (PGP/MIME).
+;;; It is based on RFC 2015 (PGP/MIME) and
+;;; draft-yamamoto-openpgp-mime-00.txt (OpenPGP/MIME).
(defun mime-decrypt-application/pgp-encrypted (entity situation)
(let* ((entity-node-id (mime-entity-node-id entity))
(onum (if (> knum 0)
(1- knum)
(1+ knum)))
- (orig-entity (nth onum (mime-entity-children mother))))
+ (orig-entity (nth onum (mime-entity-children mother)))
+ (pgp-version (mime-pgp-detect-version orig-entity)))
(mime-view-application/pgp orig-entity situation)
))
;;; @ Internal method for application/pgp-keys
;;;
-;;; It is based on RFC 2015 (PGP/MIME).
+;;; It is based on RFC 2015 (PGP/MIME) and
+;;; draft-yamamoto-openpgp-mime-00.txt (OpenPGP/MIME).
(defun mime-add-application/pgp-keys (entity situation)
(let* ((start (mime-entity-point-min entity))
(kill-buffer (current-buffer))
))
-
+
+;;; @ Internal method for fetching a public key
+;;;
+
+(defcustom mime-pgp-keyserver-url-template "/pks/lookup?op=get&search=%s"
+ "The URL to pass to the keyserver."
+ :group 'mime-pgp
+ :type 'string)
+
+(defcustom mime-pgp-keyserver-address "pgp.nic.ad.jp"
+ "Host name of keyserver."
+ :group 'mime-pgp
+ :type 'string)
+
+(defcustom mime-pgp-keyserver-port 11371
+ "Port on which the keyserver's HTTP daemon lives."
+ :group 'mime-pgp
+ :type 'integer)
+
+(defcustom mime-pgp-http-proxy-url-template
+ "/cgi-bin/pgpsearchkey.pl?op=get&search=%s"
+ "The URL to pass to the keyserver via HTTP proxy."
+ :group 'mime-pgp
+ :type 'string)
+
+(defcustom mime-pgp-http-proxy-server-address nil
+ "Host name of HTTP proxy server. If you are behind firewalls, set the
+values of this variable and `mime-pgp-http-proxy-server-port' appropriately."
+ :group 'mime-pgp
+ :type 'string)
+
+(defcustom mime-pgp-http-proxy-server-port 8080
+ "Port on which the proxy server's HTTP daemon lives."
+ :group 'mime-pgp
+ :type 'integer)
+
+(defcustom mime-pgp-fetch-timeout 20
+ "Timeout, in seconds, for any particular key fetch operation."
+ :group 'mime-pgp
+ :type 'integer)
+
+(defmacro mime-pgp-show-fetched-key (key scroll &rest args)
+ (` (let ((buffer (get-buffer-create "*fetched keys*"))
+ start height window shrink)
+ (with-current-buffer buffer
+ (erase-buffer)
+ (insert (, key))
+ (as-binary-process
+ (call-process-region
+ (point-min) (point-max) (mime-pgp-command 'v) t t (,@ args))
+ )
+ (goto-char (point-min))
+ (forward-line (, scroll))
+ (setq height (count-lines (point) (point-max))
+ start (point))
+ )
+ (setq window (get-buffer-window mime-echo-buffer-name))
+ (if window
+ (set-window-buffer window buffer)
+ (let (pop-up-frames)
+ (display-buffer buffer)
+ ))
+ (setq window (get-buffer-window buffer)
+ shrink (1- (- (window-height window) height)))
+ (if (> shrink 0)
+ (let ((window-min-height 1))
+ (enlarge-window shrink)
+ ))
+ (set-window-start window start)
+ buffer)))
+
+(defun mime-pgp-show-fetched-key-for-gpg (key)
+ "Extract KEY and show. Returns buffer object to be killed."
+ (mime-pgp-show-fetched-key key 0)
+ )
+
+(defun mime-pgp-show-fetched-key-for-pgp50 (key)
+ "Extract KEY and show. Returns buffer object to be killed."
+ (let ((buffer (get-buffer-create "*fetched keys*"))
+ (process-environment process-environment)
+ process-connection-type process start height window shrink)
+ (setenv "PGPPASSFD" nil)
+ (with-current-buffer buffer
+ (erase-buffer)
+ (setq process
+ (start-process "*show fetched keys*"
+ buffer (mime-pgp-command 'v)
+ "-f" "+batchmode=0" "+language=us")
+ )
+ (set-process-coding-system process 'binary 'binary)
+ (process-send-string process key)
+ (process-send-eof process)
+ (while
+ (progn
+ (accept-process-output process 1)
+ (goto-char (point-min))
+ (not
+ (re-search-forward
+ "^Add these keys to your keyring\\? \\[Y/n\\] "
+ nil t))
+ ))
+ (setq start (match-beginning 0))
+ (delete-process process)
+ (delete-region start (point-max))
+ (goto-char (point-min))
+ (forward-line 10)
+ (setq height (count-lines (point) start)
+ start (point))
+ )
+ (setq window (get-buffer-window mime-echo-buffer-name))
+ (if window
+ (set-window-buffer window buffer)
+ (let (pop-up-frames)
+ (display-buffer buffer)
+ ))
+ (setq window (get-buffer-window buffer)
+ shrink (1- (- (window-height window) height)))
+ (if (> shrink 0)
+ (let ((window-min-height 1))
+ (enlarge-window shrink)
+ ))
+ (set-window-start window start)
+ buffer))
+
+(defun mime-pgp-show-fetched-key-for-pgp (key)
+ "Extract KEY and show. Returns buffer object to be killed."
+ (mime-pgp-show-fetched-key key 7 "-f" "+language=en")
+ )
+
+(defun mime-pgp-fetch-key (&optional id)
+ "Attempt to fetch a key for addition to PGP or GnuPG keyring.
+Interactively, prompt for string matching key to fetch.
+
+Non-interactively, ID must be a pair. The CAR must be a bare Email
+address and the CDR a keyID (with \"0x\" prefix). Either, but not
+both, may be nil.
+
+Return t if we think we were successful; nil otherwise. Note that nil
+is not necessarily an error, since we may have merely fired off an Email
+request for the key.
+
+If you want to use this function for verifying a message of PGP/MIME,
+for example, please put the following lines in your startup file:
+
+ (eval-after-load \"semi-def\"
+ '(progn (require 'alist)
+ (set-alist 'pgp-function-alist 'fetch-key
+ '(mime-pgp-fetch-key \"mime-pgp\"))
+ (autoload 'mime-pgp-fetch-key \"mime-pgp\" nil t)
+ ))
+
+In addition, if you are behind firewalls, please set the values of
+`mime-pgp-http-proxy-server-address' and `mime-pgp-http-proxy-server-port'
+appropriately."
+ (interactive)
+ (let ((buffer (get-buffer-create "*key fetch*"))
+ (server (or mime-pgp-http-proxy-server-address
+ mime-pgp-keyserver-address))
+ (port (or mime-pgp-http-proxy-server-port
+ mime-pgp-keyserver-port))
+ (url-template
+ (if mime-pgp-http-proxy-server-address
+ (concat "http://"
+ mime-pgp-keyserver-address
+ mime-pgp-http-proxy-url-template
+ " HTTP/1.0\r\n")
+ mime-pgp-keyserver-url-template))
+ (show-function (intern (format "mime-pgp-show-fetched-key-for-%s"
+ pgp-version)))
+ (snarf-function (pgp-function 'snarf-keys))
+ (window-config (current-window-configuration))
+ case-fold-search process-connection-type process show-buffer)
+ (unwind-protect
+ (catch 'mime-pgp-fetch-key-done
+ (cond ((interactive-p)
+ (setq id (read-string "Fetch key for: "))
+ (cond ((string-equal "" id)
+ (message "Aborted")
+ (throw 'mime-pgp-fetch-key-done nil)
+ )
+ ((string-match "^0[Xx]" id)
+ (setq id (cons nil id))
+ )
+ (t
+ (setq id (cons id nil))
+ )))
+ ((or (null id)
+ (not (or (stringp (car id)) (stringp (cdr id)))))
+ (message "Aborted")
+ (throw 'mime-pgp-fetch-key-done nil)
+ ))
+ (with-current-buffer buffer
+ (erase-buffer)
+ (message "Fetching %s via HTTP to %s..."
+ (or (cdr id) (car id))
+ mime-pgp-keyserver-address
+ )
+ (condition-case err
+ (setq process (open-network-stream-as-binary
+ "*key fetch*" buffer server port)
+ )
+ (error
+ (message "%s" err)
+ (throw 'mime-pgp-fetch-key-done nil)
+ ))
+ (if (not process)
+ (progn
+ (message "Can't connect to %s%s."
+ mime-pgp-keyserver-address
+ (if mime-pgp-http-proxy-server-address
+ (concat "via "
+ mime-pgp-http-proxy-server-address)
+ ""))
+ (throw 'mime-pgp-fetch-key-done nil)
+ )
+ (process-send-string
+ process
+ (concat "GET " (format url-template
+ (or (cdr id) (car id))) "\r\n")
+ )
+ (while (and (eq 'open (process-status process))
+ (accept-process-output process
+ mime-pgp-fetch-timeout)
+ ))
+ (delete-process process)
+ (goto-char (point-min))
+ (if (and (re-search-forward
+ "^-----BEGIN PGP PUBLIC KEY BLOCK-----\r?$" nil t)
+ (progn
+ (delete-region (point-min) (match-beginning 0))
+ (re-search-forward
+ "^-----END PGP PUBLIC KEY BLOCK-----\r?$" nil t)
+ ))
+ (progn
+ (delete-region (1+ (match-end 0)) (point-max))
+ (setq show-buffer
+ (funcall show-function (buffer-string))
+ )
+ (if (y-or-n-p "Add this key to keyring? ")
+ (funcall snarf-function)
+ )
+ (kill-buffer show-buffer)
+ t)
+ (message "Key not found.")
+ nil))))
+ (kill-buffer buffer)
+ (set-window-configuration window-config)
+ )))
+
+
;;; @ end
;;;
projects / elisp / semi.git / blobdiff