From 0143b6e4cb7c31abee7d71a2dbd713abcc98936d Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Fri, 5 Jun 2026 22:45:01 +0200
Subject: Add Register()

This function creates a new user and sets the username and bcrypt-hashed
password.
---
 password.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 password.go

(limited to 'password.go')

diff --git a/password.go b/password.go
new file mode 100644
index 0000000..ae11968
--- /dev/null
+++ b/password.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"database/sql"
+
+	"golang.org/x/crypto/bcrypt"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+const (
+	bcryptCost = 12
+)
+
+func Register(db *sql.DB, username, password string) error {
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcryptCost)
+	if err != nil {
+		return err
+	}
+
+	err = Transaction(db, func(tx *sql.Tx) error {
+		_, err := tx.Exec(`INSERT INTO users (username, password_bcrypt) VALUES(?, ?);`, username, hash)
+		return err
+	})
+
+	return err
+}
-- 
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