From 08a38aea94f3247fe1334db46b45d74ebaeef892 Mon Sep 17 00:00:00 2001
From: Xavier Del Campo Romero <xavi.dcr@tutanota.com>
Date: Sun, 22 Jan 2023 02:21:30 +0100
Subject: Add usergen

This script takes a username and password from standard input and
generates a JSON object that can be appended to the "users" object in
db.json.
---
 usergen | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 usergen

diff --git a/usergen b/usergen
new file mode 100755
index 0000000..875ef20
--- /dev/null
+++ b/usergen
@@ -0,0 +1,29 @@
+#! /bin/sh
+
+echo Username: >&2
+read -r USER
+echo Password: >&2
+read -r PWD
+
+PWD=$(printf '%s' $PWD | xxd -p | tr -d '\n')
+SALT=$(openssl rand 32 | xxd -p | tr -d '\n')
+KEY=$(openssl rand 32 | xxd -p | tr -d '\n')
+PWD=$(printf '%s%s' $SALT $PWD)
+
+ROUNDS=1000
+
+for i in $(seq $ROUNDS)
+do
+    printf "\r%d/$ROUNDS" $i >&2
+    PWD=$(printf '%s' $PWD | xxd -p -r | sha256sum | cut -d' ' -f1)
+done
+
+echo >&2
+cat <<-EOF
+{
+    "name": "$USER",
+    "password": "$PWD",
+    "salt": "$SALT",
+    "key": "$KEY"
+}
+EOF
-- 
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