feat: Inicial commit

It contains rough template for the server and runners.

It contains rough template for the server and runners.

1 files changed, 57 insertions, 0 deletions

diff --git a/pkg/components/auth/controller.go b/pkg/components/auth/controller.go
new file mode 100644
index 0000000..4da6071
--- /dev/null
+++ b/pkg/components/auth/controller.go
@@ -0,0 +1,57 @@
+package auth
+
+import (
+	"context"
+
+	"golang.org/x/crypto/bcrypt"
+
+	"git.sr.ht/~gabrielgio/img/pkg/ext"
+)
+
+type Controller struct {
+	repository Repository
+	key        []byte
+}
+
+func NewController(repository Repository, key []byte) *Controller {
+	return &Controller{
+		repository: repository,
+		key:        key,
+	}
+}
+
+func (c *Controller) Login(ctx context.Context, username, password []byte) ([]byte, error) {
+	id, err := c.repository.GetIDByUsername(ctx, string(username))
+	if err != nil {
+		return nil, err
+	}
+
+	hashedPassword, err := c.repository.GetPassword(ctx, id)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := bcrypt.CompareHashAndPassword(hashedPassword, password); err != nil {
+		return nil, err
+	}
+
+	token := &ext.Token{
+		UserID:   id,
+		Username: string(username),
+	}
+	return ext.WriteToken(token, c.key)
+}
+
+func (c *Controller) Register(ctx context.Context, username, password []byte) error {
+	hash, err := bcrypt.GenerateFromPassword(password, bcrypt.MinCost)
+	if err != nil {
+		return err
+	}
+
+	_, err = c.repository.Create(ctx, &CreateUser{
+		Username: string(username),
+		Password: hash,
+	})
+
+	return err
+}