1 files changed, 79 insertions, 0 deletions
diff --git a/shroud/ui/show.scm b/shroud/ui/show.scm
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+++ b/shroud/ui/show.scm
@@ -0,0 +1,79 @@
+;;; Shroud
+;;; Copyright © 2015 David Thompson <davet@gnu.org>
+;;;
+;;; Shroud 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.
+;;;
+;;; Shroud 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 Shroud.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (shroud ui show)
+  #:use-module (ice-9 format)
+  #:use-module (ice-9 match)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-37)
+  #:use-module (shroud utils)
+  #:use-module (shroud secret)
+  #:use-module (shroud ui)
+  #:export (shroud-show))
+
+(define (show-help)
+  (format #t "Usage: shroud show [OPTION] id
+Show secret named ID.~%")
+  (display "
+  -p, --password         show only the password")
+  (display "
+  -h, --help             display this help and exit")
+  (display "
+  --version              display version information and exit")
+  (newline))
+
+(define %options
+  (list (option '(#\h "help") #f #f
+                (lambda args
+                  (show-help)
+                  (exit 0)))
+        (option '("--version") #f #f
+                (lambda args
+                  (show-version-and-exit)))
+        (option '(#\p "password") #f #f
+                (lambda (opt name arg result)
+                  (alist-cons 'password #t result)))))
+
+(define %default-options '())
+
+(define (shroud-show config db . args)
+  (let* ((opts      (args-fold args %options
+                               (lambda (opt name arg result)
+                                 (leave "~A: unrecognized option" name))
+                               (lambda (arg result)
+                                 (if (assq-ref result 'id)
+                                     (leave "~A: extraneuous argument" arg)
+                                     (alist-cons 'id arg result)))
+                               %default-options))
+         (id        (assq-ref opts 'id))
+         (password? (assq-ref opts 'password)))
+
+    (unless id
+      (leave "no secret id specified"))
+
+    (let* ((db     (secrets-by-id (force db)))
+           (secret (vhash-ref db id)))
+      (unless secret
+        (leave "~a: secret undefined" id))
+
+      (if password?
+          (display (secret-password secret))
+          (format #t "username: ~a~%password: ~a~%"
+               (secret-username secret)
+               (secret-password secret)))))
+
+  ;; We don't alter the database.
+  db)