feat(auth): Add /token endpoint to request a access token

app/controllers/token.go

@@ -0,0 +1,37 @@
+package controllers
+
+import (
+	"git.secnex.io/secnex/masterlog"
+	"git.secnex.io/secnex/oauth2-api/services"
+	"git.secnex.io/secnex/oauth2-api/utils"
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+)
+
+type TokenRequest struct {
+	ClientID     string `json:"client_id" validate:"required"`
+	GrantType    string `json:"grant_type" validate:"required"`
+	Code         string `json:"code" validate:"required"`
+	RedirectURI  string `json:"redirect_uri" validate:"required"`
+	ClientSecret string `json:"client_secret" validate:"required"`
+}
+
+func TokenController(c *fiber.Ctx) error {
+	masterlog.Debug("Token request received", map[string]interface{}{"path": c.Path()})
+	var request TokenRequest
+	if err := c.BodyParser(&request); err != nil {
+		masterlog.Debug("Failed to parse request", map[string]interface{}{"error": err.Error()})
+		return utils.NewHTTPResponse(fiber.StatusBadRequest, &fiber.Map{"error": err.Error()}, "", nil, nil).Send(c)
+	}
+
+	if err := validator.New().Struct(request); err != nil {
+		masterlog.Debug("Failed to validate request", map[string]interface{}{"error": err.Error()})
+		return utils.NewHTTPResponse(fiber.StatusBadRequest, &fiber.Map{"error": err.Error()}, "", nil, nil).Send(c)
+	}
+
+	masterlog.Debug("Token request validated", map[string]interface{}{"path": c.Path()})
+
+	response := services.Token(request.ClientID, request.GrantType, request.Code, request.RedirectURI, request.ClientSecret)
+	masterlog.Debug("Token response sent", map[string]interface{}{"path": c.Path()})
+	return response.Send(c)
+}