/usr/share/emacs/site-lisp/wl/wl/wl-acap.el is in wl 2.14.0-12.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;; Copyright (C) 2001 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: mail, net news
;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
;; 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., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;; Code:
;;
;;(cond
;; ((and (not (featurep 'utf-2000))
;; (module-installed-p 'un-define))
;; (require 'un-define))
;; ((and (featurep 'xemacs)
;; (not (featurep 'utf-2000))
;; (module-installed-p 'xemacs-ucs))
;; (require 'xemacs-ucs)))
(require 'custom)
(require 'cus-edit)
(require 'wl-vars)
(require 'wl)
(require 'elmo-vars)
(require 'acap)
(require 'slp)
(defconst wl-acap-dataset-class "vendor.wanderlust")
(defconst wl-acap-entry-name "settings")
(defcustom wl-acap-user (or (getenv "USER")
(getenv "LOGNAME")
(user-login-name))
"ACAP user."
:type 'string
:group 'wl)
(defcustom wl-acap-server nil
"ACAP server.
If nil, SLP is used to find ACAP server.
If nil and SLP is not available, localhost is assumed."
:type 'string
:group 'wl)
(defcustom wl-acap-port nil
"ACAP server port.
Only valid when `wl-acap-server' is non-nil.
If nil, default acap port is used."
:type 'string
:group 'wl)
(defcustom wl-acap-authenticate-type 'cram-md5
"ACAP authenticate type."
:type 'symbol
:group 'wl)
(defcustom wl-acap-stream-type nil
"ACAP stream type."
:type 'symbol
:group 'wl)
(defcustom wl-acap-extra-options nil
"Extra options to be saved on ACAP server."
:type '(repeat symbol)
:group 'wl)
(defcustom wl-acap-cache-filename "acap-cache"
"ACAP setting cache file."
:type 'string
:group 'wl)
;; Encoding string as BASE64 is temporal solution.
;; As far as I know, current implementation of ACAP server
;; (cyrus-smlacapd 0.5) does not accept literal argument for STORE.
(defvar wl-acap-base64-encode-options
'(wl-template-alist
wl-draft-config-alist)
"Options which should be encoded with base64 to store ACAP server.")
(defcustom wl-acap-coding-system 'utf-8
"Coding system for ACAP."
:type 'symbol
:group 'wl)
(defvar wl-acap-original-msgdb-directory nil)
(defun wl-acap-exit ()
"End ACAP session."
(when wl-acap-original-msgdb-directory
(setq elmo-msgdb-directory wl-acap-original-msgdb-directory)))
(defun wl-acap-init ()
"A candidate for `wl-folder-init-function'."
(setq wl-acap-original-msgdb-directory nil)
(condition-case err ; catch error and quit.
(let ((service (wl-acap-find-acap-service))
proc entries settings folder-top type caches msgdb-dir)
(if (null (car service))
(if (setq caches
(delq
nil
(mapcar
(lambda (dirent)
(let ((dir
(elmo-localdir-folder-directory-internal
(elmo-make-folder dirent))))
(if (file-exists-p
(setq dir (expand-file-name
wl-acap-cache-filename
dir)))
dir)))
(elmo-folder-list-subfolders
(elmo-make-folder (concat "+"
(expand-file-name
"acap"
elmo-msgdb-directory)))))))
(if (y-or-n-p "No ACAP service found. Try cache? ")
(let (selected rpath alist)
(setq alist
(mapcar
(lambda (dir)
(setq rpath (nreverse (split-string dir "/")))
(cons (concat (nth 1 rpath) "@" (nth 2 rpath))
dir))
caches)
selected
(cdr (assoc
(completing-read
"Select ACAP cache: " alist nil t)
alist))
msgdb-dir (file-name-directory selected)
entries (elmo-object-load selected)))
(error "No ACAP service found"))
(error "No ACAP service found"))
(setq proc (acap-open (car service)
wl-acap-user
(upcase (symbol-name
wl-acap-authenticate-type))
(cdr service)))
(setq entries (acap-response-entries
(acap-search proc (concat "/"
wl-acap-dataset-class
"/~/")
'((RETURN ("*"))))))
(when entries
(elmo-object-save
(expand-file-name
(concat "acap/" (car service) "/" wl-acap-user "/"
wl-acap-cache-filename)
elmo-msgdb-directory)
entries)))
(while entries
(when (string= (acap-response-entry-entry (car entries))
wl-acap-entry-name)
(setq settings (car (acap-response-entry-return-data-list
(car entries)))
entries nil))
(setq entries (cdr entries)))
(setq settings
(delq
'wl-acap-ignored
(mapcar (lambda (x)
(let ((sym (wl-acap-symbol (car x))))
(cond
((and sym (eq sym 'wl-folders))
;; Folders.
(setq wl-folder-entity
(wl-acap-create-folder-entity (cadr x)))
'wl-acap-ignored)
((and sym (boundp sym))
(setq type (custom-variable-type sym))
(cons
sym
(when (cadr x)
(cond
((or (eq (car type) 'string)
(and (eq (car type) 'choice)
(memq 'string type)))
(if (memq sym wl-acap-base64-encode-options)
(wl-acap-base64-decode-string (cadr x))
(decode-coding-string
(cadr x)
wl-acap-coding-system)))
(t
(if (cadr x)
(read
(if (memq sym
wl-acap-base64-encode-options)
(wl-acap-base64-decode-string
(cadr x))
(read (concat
"\""
(decode-coding-string
(cadr x)
wl-acap-coding-system)
"\""))
))))))))
(t 'wl-acap-ignored))))
settings)))
;; Setup options.
(dolist (setting settings)
(set (car setting) (cdr setting)))
;; Database directory becomes specific to the ACAP server.
(setq wl-acap-original-msgdb-directory elmo-msgdb-directory)
(setq elmo-msgdb-directory (or msgdb-dir
(expand-file-name
(concat "acap/" (car service)
"/" wl-acap-user)
elmo-msgdb-directory)))
(when proc (acap-close proc)))
((error quit)
(when wl-acap-original-msgdb-directory
(setq elmo-msgdb-directory wl-acap-original-msgdb-directory))
(signal (car err) (cdr err)))))
(defun wl-acap-create-folder-entity (string)
(with-temp-buffer
(message "Initializing folder...")
(let (folders entity)
(setq string (elmo-base64-decode-string string))
(setq string (decode-coding-string string wl-acap-coding-system))
(insert string)
(goto-char (point-min))
(while (and (not (eobp))
(setq entity (wl-create-folder-entity-from-buffer)))
(unless (eq entity 'ignore)
(wl-append folders (list entity))))
(message "Initializing folder...done")
(list wl-folder-desktop-name 'group folders))))
(defun wl-acap-find-acap-service ()
(or (and wl-acap-server
(cons wl-acap-server wl-acap-port))
(with-temp-buffer
(message "Searching ACAP server...")
(prog1 (let ((response (condition-case nil
(slp-findsrvs "acap")
(error)))
selected)
(when response
(if (> (length (slp-response-body response)) 1)
(progn
(setq selected
(completing-read
"Select ACAP server: "
(mapcar (lambda (body)
(list
(concat
(slp-response-srv-url-host
body)
(when (slp-response-srv-url-port
body)
(concat
":"
(slp-response-srv-url-port
body))))))
(slp-response-body response)))
response
(catch 'done
(dolist (entry (slp-response-body response))
(when (string=
(concat
(slp-response-srv-url-host
entry)
(when
(slp-response-srv-url-port
entry)
(concat
":"
(slp-response-srv-url-port
entry))))
selected)
(throw 'done entry))))))
(setq response (car (slp-response-body response))))
(cons (slp-response-srv-url-host response)
(slp-response-srv-url-port response))))
(message "Searching ACAP server...done")))
(cons "localhost" nil)))
(defun wl-acap-name (option)
(let ((name (symbol-name option))
prefix)
(cond ((string-match "^wl-" name)
(setq name (substring name (match-end 0))
prefix "wl"))
((string-match "^elmo-" name)
(setq name (substring name (match-end 0))
prefix "elmo")))
(concat
wl-acap-dataset-class "." prefix "."
(mapconcat 'capitalize (split-string name "-") ""))))
(defun wl-acap-symbol (name)
(let (case-fold-search li)
(when (string-match (concat "^" (regexp-quote wl-acap-dataset-class)
"\\.\\([^\\.]+\\)\\.") name)
(setq li (list (match-string 1 name))
name (substring name (match-end 0)))
(while (string-match "^[A-Z][a-z0-9]*" name)
(setq li (cons (match-string 0 name) li))
(setq name (substring name (match-end 0))))
(intern (mapconcat 'downcase (nreverse li) "-")))))
(defun wl-acap-list-options ()
(nconc (mapcar 'car (append (custom-group-members 'wl-setting nil)
(custom-group-members 'elmo-setting nil)))
wl-acap-extra-options))
(defun wl-acap-store-folders (proc)
(with-temp-buffer
(insert-file-contents wl-folders-file)
(acap-store
proc
(list (concat "/" wl-acap-dataset-class "/~/"
wl-acap-entry-name)
(concat wl-acap-dataset-class ".wl.Folders")
(wl-acap-base64-encode-string (buffer-string))))))
(defun wl-acap-base64-encode-string (string)
(elmo-base64-encode-string
(encode-coding-string string wl-acap-coding-system)
'no-line-break))
(defun wl-acap-base64-decode-string (string)
(decode-coding-string
(elmo-base64-decode-string string )
wl-acap-coding-system))
(defun wl-acap-store ()
"Store Wanderlust configuration to the ACAP server."
(interactive)
(wl-load-profile)
(elmo-init)
(let ((service (wl-acap-find-acap-service))
proc settings type)
(setq proc (acap-open (car service)
wl-acap-user
(upcase (symbol-name wl-acap-authenticate-type))
(cdr service)))
(dolist (option (wl-acap-list-options))
(setq settings
(cons (wl-acap-name option) settings)
settings
(cons (when (symbol-value option)
(setq type (custom-variable-type option))
(cond
((or (eq (car type) 'string)
(and (eq (car type) 'choice)
(memq 'string type)))
(if (memq option wl-acap-base64-encode-options)
(wl-acap-base64-encode-string
(symbol-value option))
(encode-coding-string
(symbol-value option)
wl-acap-coding-system)))
(t (if (memq option wl-acap-base64-encode-options)
(wl-acap-base64-encode-string
(prin1-to-string (symbol-value option)))
(encode-coding-string
(prin1-to-string (symbol-value option))
wl-acap-coding-system)))))
settings)))
(unwind-protect
(progn
(message "Storing settings...")
(acap-store proc
(nconc
(list
(concat
"/" wl-acap-dataset-class "/~/" wl-acap-entry-name))
(nreverse settings)))
(message "Storing folders...")
(wl-acap-store-folders proc)
;; Does not work correctly??
;; (acap-setacl proc (list
;; (concat
;; "/" wl-acap-dataset-class "/~/"))
;; "anyone" "") ; protect.
)
(acap-close proc))
(if (interactive-p)
(message "Store completed."))))
(require 'product)
(product-provide (provide 'wl-acap) (require 'wl-version))
;;; wl-acap.el ends here
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