Change <secret> to store arbitrary key/value pairs.

* shroud/secret.scm (secret-username, secret-password): Delete.
  (secret-contents): New accessor.
  (secret-ref): New procedure.
  (alist->secret, secret->alist): Use new format.

3 files changed, 17 insertions, 14 deletions

diff --git a/shroud/secret.scm b/shroud/secret.scm
index 22d2961..a43ba54 100644
--- a/shroud/secret.scm
+++ b/shroud/secret.scm
@@ -23,8 +23,8 @@
   #:export (make-secret
             secret?
             secret-id
-            secret-username
-            secret-password
+            secret-contents
+            secret-ref
             alist->secret
             secret->alist
             load-secrets
@@ -32,25 +32,26 @@
             secrets-by-id))
 
 (define-record-type <secret>
-  (make-secret id username password)
+  (make-secret id contents)
   secret?
   (id       secret-id)
-  (username secret-username)
-  (password secret-password))
+  (contents secret-contents))
+
+(define (secret-ref secret key)
+  "Return the secret data associated with KEY in SECRET."
+  (assoc-ref (secret-contents secret) key))
 
 (define (alist->secret alist)
   "Convert ALIST into a <secret> record."
   (make-secret (assq-ref alist 'id)
-               (assq-ref alist 'username)
-               (assq-ref alist 'password)))
+               (assq-ref alist 'contents)))
 
 (define (secret->alist secret)
   "Convert SECRET into an alist."
   (match secret
-    (($ <secret> id username password)
+    (($ <secret> id contents)
      `((id . ,id)
-       (username . ,username)
-       (password . ,password)))))
+       (contents . ,contents)))))
 
 (define (load-secrets file)
   "Load secrets from FILE, or return '() if FILE does not exist."
diff --git a/shroud/ui/hide.scm b/shroud/ui/hide.scm
index b09d7c2..9240b54 100644
--- a/shroud/ui/hide.scm
+++ b/shroud/ui/hide.scm
@@ -82,7 +82,9 @@ Add a new secret to the database.~%")
     (let* ((db       (secrets-by-id (force db)))
            (existing (vhash-ref db id))
            (vcons    (if existing vhash-replace vhash-cons))
-           (secret   (make-secret id username password)))
+           (contents `(("username" . ,username)
+                       ("password" . ,password)))
+           (secret   (make-secret id contents)))
 
       (when (and (not replace?) existing)
         (leave "~a: secret already defined" id))
diff --git a/shroud/ui/show.scm b/shroud/ui/show.scm
index 88d9ccb..6ad1ba0 100644
--- a/shroud/ui/show.scm
+++ b/shroud/ui/show.scm
@@ -70,10 +70,10 @@ Show secret named ID.~%")
         (leave "~a: secret undefined" id))
 
       (if password?
-          (display (secret-password secret))
+          (display (secret-ref secret "password"))
           (format #t "username: ~a~%password: ~a~%"
-               (secret-username secret)
-               (secret-password secret)))))
+                  (secret-ref secret "username")
+                  (secret-ref secret "password")))))
 
   ;; We don't alter the database.
   db)