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;; read-passwd.el.el --- Read password function for Pterodactyl Gnus.
;; Copyright (C) 1996,97,98 Free Software Foundation, Inc. , Tatsuya Ichikawa
;; Author: Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
;; Version: 0.01
;; Keywords: mail , gnus , pop3 , password
;;
;; SPECIAL THANKS
;; Katsumi Yamaoka <yamaoka@jpl.org>
;;
;; This file is part of Semi-gnus.
;; GNU Emacs 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.
;; GNU Emacs 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., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;
(require 'mail-source)
(provide 'read-passwd)
(defun read-pw-read-passwd (prompt)
(read-pw-read-noecho prompt t))
;;
(defmacro read-pw-read-char-exclusive ()
(cond ((featurep 'xemacs)
'(let ((table (quote ((backspace . ?\C-h) (delete . ?\C-?)
(left . ?\C-h))))
event key)
(while (not
(and
(key-press-event-p (setq event (next-command-event)))
(setq key (or (event-to-character event)
(cdr (assq (event-key event) table)))))))
key))
((fboundp 'read-char-exclusive)
'(read-char-exclusive))
(t
'(read-char))))
;;
(defun read-pw-read-noecho (prompt &optional stars)
"Read a single line of text from user without echoing, and return it.
Argument PROMPT ."
(let ((ans "")
(c 0)
(echo-keystrokes 0)
(cursor-in-echo-area t)
(log-message-max-size 0)
message-log-max done msg truncate)
(while (not done)
(if (or (not stars) (string-equal "" ans))
(setq msg prompt)
(setq msg (concat prompt (make-string (length ans) ?*)))
(setq truncate
(1+ (- (length msg) (window-width (minibuffer-window)))))
(and (> truncate 0)
(setq msg (concat "$" (substring msg (1+ truncate))))))
(message msg)
(setq c (read-pw-read-char-exclusive))
(cond ((eq ?\C-g c)
(setq quit-flag t
done t))
((memq c '(?\r ?\n ?\e))
(setq done t))
((eq ?\C-u c)
(setq ans ""))
((and (/= ?\b c) (/= ?\177 c))
(setq ans (concat ans (char-to-string c))))
((> (length ans) 0)
(setq ans (substring ans 0 -1)))))
(if quit-flag
(prog1
(setq quit-flag nil)
(message "Quit")
(beep t))
(message "")
ans)))
;;
(defvar pw nil)
(defun read-pw-set-mail-source-passwd-cache ()
(if (not mail-source-password-cache)
(car (mapcar
(lambda (x)
(mail-source-bind (pop x)
(let ((from (format "%s:%s:%s" server user port))
(mail-source-string
(format "pop:%s@%s" user server)))
(setq pw (read-pw-return-passwd-string user server))
(unless (assoc user mail-source-password-cache)
(set-alist 'mail-source-password-cache
(format "%s:%s:%s" server user port)
pw))
(cdr (assoc from mail-source-password-cache)))))
mail-sources))))
;;
;;
(defvar passwd nil)
(defun read-pw-return-passwd-string (user server)
(setq passwd (read-pw-read-passwd
(message "POP Password for %s at %s : " user server)))
passwd)
;;
;; read-passwd.el ends here.
|
