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|
;;; password-store.el --- Password store (pass) support -*- lexical-binding: t; -*-
;; Copyright (C) 2014-2019 Svend Sorensen <svend@svends.net>
;; Author: Svend Sorensen <svend@svends.net>
;; Maintainer: Tino Calancha <tino.calancha@gmail.com>
;; Version: 2.3.2
;; URL: https://www.passwordstore.org/
;; Package-Requires: ((emacs "26.1") (with-editor "2.5.11"))
;; SPDX-License-Identifier: GPL-3.0-or-later
;; Keywords: tools pass password password-store gpg
;; This file is not part of GNU Emacs.
;; 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 3 of
;; the License, 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 this program. If not, see
;; <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This package provides and Emacs interface for working with
;; pass ("the standard Unix password manager").
;; https://www.passwordstore.org/
;;; Code:
(require 'with-editor)
(require 'auth-source-pass)
(defgroup password-store '()
"Emacs mode for password-store.
The standard Unix password manager"
:prefix "password-store-"
:group 'password-store
:link '(url-link :tag "Description" "https://www.passwordstore.org/")
:link '(url-link :tag "Download" "https://melpa.org/#/password-store")
:link `(url-link :tag "Send Bug Report"
,(concat "mailto:" "password-store" "@" "lists.zx2c4" ".com?subject=
password-store.el bug: \
&body=Describe bug here, starting with `emacs -q'. \
Don't forget to mention your Emacs and library versions.")))
(defcustom password-store-password-length 25
"Default password length."
:group 'password-store
:type 'number)
(defcustom password-store-time-before-clipboard-restore
(if (getenv "PASSWORD_STORE_CLIP_TIME")
(string-to-number (getenv "PASSWORD_STORE_CLIP_TIME"))
45)
"Number of seconds to wait before restoring the clipboard."
:group 'password-store
:type 'number)
(defcustom password-store-url-field "url"
"Field name used in the files to indicate a URL."
:group 'password-store
:type 'string)
(defvar password-store-executable
(executable-find "pass")
"Pass executable.")
(defvar password-store-timeout-timer nil
"Timer for clearing clipboard.")
(defun password-store-timeout ()
"Number of seconds to wait before restoring the clipboard.
This function just returns
`password-store-time-before-clipboard-restore'. Kept for
backward compatibility with other libraries."
password-store-time-before-clipboard-restore)
(make-obsolete 'password-store-timeout 'password-store-time-before-clipboard-restore "2.0.4")
(defun password-store--run-1 (callback &rest args)
"Run pass with ARGS.
Nil arguments are ignored. Calls CALLBACK with the output on
success, or outputs error message on failure."
(let ((output ""))
(make-process
:name "password-store-gpg"
:command (cons password-store-executable (delq nil args))
:connection-type 'pipe
:noquery t
:filter (lambda (process text)
(setq output (concat output text)))
:sentinel (lambda (process state)
(cond
((and (eq (process-status process) 'exit)
(zerop (process-exit-status process)))
(funcall callback output))
((eq (process-status process) 'run) (accept-process-output process))
(t (error (concat "password-store: " state))))))))
(defun password-store--run (&rest args)
"Run pass with ARGS.
Nil arguments are ignored. Returns the output on success, or
outputs error message on failure."
(let ((output nil)
(slept-for 0))
(apply #'password-store--run-1 (lambda (password)
(setq output password))
(delq nil args))
(while (not output)
(sleep-for .1))
output))
(defun password-store--run-async (&rest args)
"Run pass asynchronously with ARGS.
Nil arguments are ignored. Output is discarded."
(let ((args (mapcar #'shell-quote-argument args)))
(with-editor-async-shell-command
(mapconcat 'identity
(cons password-store-executable
(delq nil args)) " "))))
(defun password-store--run-init (gpg-ids &optional subdir)
(apply 'password-store--run "init"
(if subdir (format "--path=%s" subdir))
gpg-ids))
(defun password-store--run-list (&optional subdir)
(error "Not implemented"))
(defun password-store--run-grep (&optional string)
(error "Not implemented"))
(defun password-store--run-find (&optional string)
(error "Not implemented"))
(defun password-store--run-show (entry &optional callback)
(if callback
(password-store--run-1 callback "show" entry)
(password-store--run "show" entry)))
(defun password-store--run-insert (entry password &optional force)
(error "Not implemented"))
(defun password-store--run-edit (entry)
(password-store--run-async "edit"
entry))
(defun password-store--run-generate (entry password-length &optional force no-symbols)
(password-store--run "generate"
(if force "--force")
(if no-symbols "--no-symbols")
entry
(number-to-string password-length)))
(defun password-store--run-remove (entry &optional recursive)
(password-store--run "remove"
"--force"
(if recursive "--recursive")
entry))
(defun password-store--run-rename (entry new-entry &optional force)
(password-store--run "rename"
(if force "--force")
entry
new-entry))
(defun password-store--run-copy (entry new-entry &optional force)
(password-store--run "copy"
(if force "--force")
entry
new-entry))
(defun password-store--run-git (&rest args)
(apply 'password-store--run "git"
args))
(defun password-store--run-version ()
(password-store--run "version"))
(defvar password-store-kill-ring-pointer nil
"The tail of of the kill ring ring whose car is the password.")
(defun password-store-dir ()
"Return password store directory."
(or (bound-and-true-p auth-source-pass-filename)
(getenv "PASSWORD_STORE_DIR")
"~/.password-store"))
(defun password-store--entry-to-file (entry)
"Return file name corresponding to ENTRY."
(concat (expand-file-name entry (password-store-dir)) ".gpg"))
(defun password-store--file-to-entry (file)
"Return entry name corresponding to FILE."
(file-name-sans-extension (file-relative-name file (password-store-dir))))
(defun password-store--completing-read (&optional require-match)
"Read a password entry in the minibuffer, with completion.
Require a matching password if `REQUIRE-MATCH' is 't'."
(completing-read "Password entry: " (password-store-list) nil require-match))
(defun password-store-parse-entry (entry)
"Return an alist of the data associated with ENTRY.
ENTRY is the name of a password-store entry."
(auth-source-pass-parse-entry entry))
(defun password-store-read-field (entry)
"Read a field in the minibuffer, with completion for ENTRY."
(let* ((inhibit-message t)
(valid-fields (mapcar #'car (password-store-parse-entry entry))))
(completing-read "Field: " valid-fields nil 'match)))
(defun password-store-list (&optional subdir)
"List password entries under SUBDIR."
(unless subdir (setq subdir ""))
(let ((dir (expand-file-name subdir (password-store-dir))))
(if (file-directory-p dir)
(delete-dups
(mapcar 'password-store--file-to-entry
(directory-files-recursively dir ".+\\.gpg\\'"))))))
;;;###autoload
(defun password-store-edit (entry)
"Edit password for ENTRY."
(interactive (list (password-store--completing-read t)))
(password-store--run-edit entry))
;;;###autoload
(defun password-store-get (entry &optional callback)
"Return password for ENTRY.
Returns the first line of the password data. When CALLBACK is
non-`NIL', call CALLBACK with the first line instead."
(let* ((inhibit-message t)
(secret (auth-source-pass-get 'secret entry)))
(if (not callback) secret
(password-store--run-show
entry
(lambda (_) (funcall callback secret))))))
;;;###autoload
(defun password-store-get-field (entry field &optional callback)
"Return FIELD for ENTRY.
FIELD is a string, for instance \"url\". When CALLBACK is
non-`NIL', call it with the line associated to FIELD instead. If
FIELD equals to symbol secret, then this function reduces to
`password-store-get'."
(let* ((inhibit-message t)
(secret (auth-source-pass-get field entry)))
(if (not callback) secret
(password-store--run-show
entry
(lambda (_) (and secret (funcall callback secret)))))))
;;;###autoload
(defun password-store-clear (&optional field)
"Clear secret in the kill ring.
Optional argument FIELD, a symbol or a string, describes the
stored secret to clear; if nil, then set it to 'secret. Note,
FIELD does not affect the function logic; it is only used to
display the message:
\(message \"Field %s cleared from kill ring and system clipboard.\" field)."
(interactive "i")
(unless field (setq field 'secret))
(when password-store-timeout-timer
(cancel-timer password-store-timeout-timer)
(setq password-store-timeout-timer nil))
(when password-store-kill-ring-pointer
(setcar password-store-kill-ring-pointer "")
(kill-new "")
(setq password-store-kill-ring-pointer nil)
(message "Field %s cleared from kill ring and system clipboard." field)))
(defun password-store--save-field-in-kill-ring (entry secret field)
(password-store-clear field)
(kill-new secret)
(setq password-store-kill-ring-pointer kill-ring-yank-pointer)
(message "Copied %s for %s to the kill ring and system clipboard. Will clear in %s seconds."
field entry password-store-time-before-clipboard-restore)
(setq password-store-timeout-timer
(run-at-time password-store-time-before-clipboard-restore nil
(lambda () (funcall #'password-store-clear field)))))
;;;###autoload
(defun password-store-copy (entry)
"Add password for ENTRY into the kill ring.
Clear previous password from the kill ring. Pointer to the kill
ring is stored in `password-store-kill-ring-pointer'. Password
is cleared after `password-store-time-before-clipboard-restore'
seconds."
(interactive (list (password-store--completing-read t)))
(password-store-get
entry
(lambda (password)
(password-store--save-field-in-kill-ring entry password 'secret))))
;;;###autoload
(defun password-store-copy-field (entry field)
"Add FIELD for ENTRY into the kill ring.
Clear previous secret from the kill ring. Pointer to the kill
ring is stored in `password-store-kill-ring-pointer'. Secret
field is cleared after
`password-store-time-before-clipboard-restore' seconds. If FIELD
equals to symbol secret, then this function reduces to
`password-store-copy'."
(interactive
(let ((entry (password-store--completing-read)))
(list entry (password-store-read-field entry))))
(password-store-get-field
entry
field
(lambda (secret-value)
(password-store--save-field-in-kill-ring entry secret-value field))))
;;;###autoload
(defun password-store-init (gpg-id)
"Initialize new password store and use GPG-ID for encryption.
Separate multiple IDs with spaces."
(interactive (list (read-string "GPG ID: ")))
(message "%s" (password-store--run-init (split-string gpg-id))))
;;;###autoload
(defun password-store-insert (entry password)
"Insert a new ENTRY containing PASSWORD."
(interactive (list (password-store--completing-read)
(read-passwd "Password: " t)))
(let* ((command (format "echo %s | %s insert -m -f %s"
(shell-quote-argument password)
password-store-executable
(shell-quote-argument entry)))
(ret (process-file-shell-command command)))
(if (zerop ret)
(message "Successfully inserted entry for %s" entry)
(message "Cannot insert entry for %s" entry))
nil))
;;;###autoload
(defun password-store-generate (entry &optional password-length)
"Generate a new password for ENTRY with PASSWORD-LENGTH.
Default PASSWORD-LENGTH is `password-store-password-length'."
(interactive (list (password-store--completing-read)
(and current-prefix-arg
(abs (prefix-numeric-value current-prefix-arg)))))
;; A message with the output of the command is not printed
;; because the output contains the password.
(password-store--run-generate
entry
(or password-length password-store-password-length)
'force)
nil)
;;;###autoload
(defun password-store-generate-no-symbols (entry &optional password-length)
"Generate a new password without symbols for ENTRY with PASSWORD-LENGTH.
Default PASSWORD-LENGTH is `password-store-password-length'."
(interactive (list (password-store--completing-read)
(and current-prefix-arg
(abs (prefix-numeric-value current-prefix-arg)))))
;; A message with the output of the command is not printed
;; because the output contains the password.
(password-store--run-generate
entry
(or password-length password-store-password-length)
'force 'no-symbols)
nil)
;;;###autoload
(defun password-store-remove (entry)
"Remove ENTRY."
(interactive (list (password-store--completing-read t)))
(message "%s" (password-store--run-remove entry t)))
;;;###autoload
(defun password-store-rename (entry new-entry)
"Rename ENTRY to NEW-ENTRY."
(interactive (list (password-store--completing-read t)
(read-string "Rename entry to: ")))
(message "%s" (password-store--run-rename entry new-entry t)))
;;;###autoload
(defun password-store-version ()
"Show version of `password-store-executable'."
(interactive)
(message "%s" (password-store--run-version)))
;;;###autoload
(defun password-store-url (entry)
"Load URL for ENTRY."
(interactive (list (password-store--completing-read t)))
(let ((url (password-store-get-field entry password-store-url-field)))
(if url (browse-url url)
(error "Field `%s' not found" password-store-url-field))))
(provide 'password-store)
;;; password-store.el ends here
|