shareable upload tokens

code/init_db.sh

@@ -12,3 +12,11 @@ CREATE TABLE IF NOT EXISTS files (
     passhash      text
 );
 EOF
+
+cat <<'EOF' | sqlite3 "$1"
+CREATE TABLE IF NOT EXISTS upload_tokens (
+    token         text PRIMARY KEY,
+    added         integer NOT NULL,
+    expires       integer NOT NULL
+);
+EOF