97 lines
1.6 KiB
Go
97 lines
1.6 KiB
Go
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package db
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import (
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"context"
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"database/sql"
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_ "embed"
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"time"
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_ "github.com/go-sql-driver/mysql"
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"golang.org/x/crypto/bcrypt"
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)
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//go:embed setup.sql
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var setupSql string
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const DB_NAME = "s3Browser"
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type DB struct {
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dbConn *sql.DB
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}
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func NewDB(driver, dataSourceName string) (*DB, error) {
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db, err := sql.Open(driver, dataSourceName)
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if err != nil {
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return nil, err
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}
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if driver == "mysql" {
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db.SetConnMaxLifetime(time.Minute * 3)
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db.SetMaxOpenConns(10)
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db.SetMaxIdleConns(10)
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}
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return &DB{
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dbConn: db,
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}, nil
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}
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func (d *DB) Setup() error {
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tx, err := d.dbConn.Begin()
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if err != nil {
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return err
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}
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_, err = tx.Exec(setupSql)
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if err != nil {
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tx.Rollback()
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return err
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}
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err = tx.Commit()
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if err != nil {
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return err
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}
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return nil
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}
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func (d *DB) CheckLogin(ctx context.Context, username, password string) (bool, error) {
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rows, err := d.dbConn.QueryContext(ctx, "SELECT password FROM user WHERE username = ?", username)
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if err != nil {
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return false, err
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}
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if !rows.Next() {
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return false, nil
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}
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var passwordHash []byte
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err = rows.Scan(&passwordHash)
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if err != nil {
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return false, err
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}
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if bcrypt.CompareHashAndPassword(passwordHash, []byte(password)) != nil {
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return false, nil
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}
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return true, nil
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}
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func (d *DB) AddUser(ctx context.Context, username, password string) error {
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hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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_, err = d.dbConn.ExecContext(ctx, "INSERT INTO user (username,password) VALUES (?,?)", username, hash)
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if err != nil {
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return err
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}
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return nil
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}
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