Move endpoint categories into their own packages

api/account/login.go

@@ -0,0 +1,51 @@
+package account
+
+import (
+	"bytes"
+	"crypto/rand"
+	"database/sql"
+	"encoding/base64"
+	"fmt"
+
+	"github.com/pagefaultgames/pokerogue-server/db"
+)
+
+type LoginRequest GenericAuthRequest
+type LoginResponse GenericAuthResponse
+
+// /account/login - log into account
+func Login(request LoginRequest) (LoginResponse, error) {
+	if !isValidUsername(request.Username) {
+		return LoginResponse{}, fmt.Errorf("invalid username")
+	}
+
+	if len(request.Password) < 6 {
+		return LoginResponse{}, fmt.Errorf("invalid password")
+	}
+
+	key, salt, err := db.FetchAccountKeySaltFromUsername(request.Username)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return LoginResponse{}, fmt.Errorf("account doesn't exist")
+		}
+
+		return LoginResponse{}, err
+	}
+
+	if !bytes.Equal(key, deriveArgon2IDKey([]byte(request.Password), salt)) {
+		return LoginResponse{}, fmt.Errorf("password doesn't match")
+	}
+
+	token := make([]byte, TokenSize)
+	_, err = rand.Read(token)
+	if err != nil {
+		return LoginResponse{}, fmt.Errorf("failed to generate token: %s", err)
+	}
+
+	err = db.AddAccountSession(request.Username, token)
+	if err != nil {
+		return LoginResponse{}, fmt.Errorf("failed to add account session")
+	}
+
+	return LoginResponse{Token: base64.StdEncoding.EncodeToString(token)}, nil
+}