feat: add business logic controllers

- Add authentication controller for login, logout, and token refresh
- Add user controller for user management and profile operations
- Add session controller for session management and validation
- Add access controller for API access control and permissions
- Include proper input validation and error handling
- Implement secure authentication flows

controllers/access.go

@@ -0,0 +1,47 @@
+package controllers
+
+import (
+	"encoding/base64"
+	"fmt"
+
+	"git.secnex.io/secnex/idp-api/api"
+	"git.secnex.io/secnex/idp-api/db"
+	"git.secnex.io/secnex/idp-api/models"
+	"git.secnex.io/secnex/idp-api/repositories"
+	"git.secnex.io/secnex/idp-api/utils"
+	"github.com/gofiber/fiber/v2"
+)
+
+func CreateApiKey(c *fiber.Ctx) error {
+	database := db.GetDB()
+	apiKeyRepo := repositories.NewApiKeyRepository(database)
+	user := c.Locals("user").(*models.User)
+	token := utils.GenerateRandomString(32)
+	hashToken, err := utils.HashPassword(token, utils.DefaultParams)
+	if err != nil {
+		return api.Error(c, "Failed to hash token", fiber.StatusInternalServerError, fiber.Map{
+			"message": "Failed to hash token",
+		})
+	}
+	apiKey := &models.ApiKey{
+		UserID: &user.ID,
+		Key:    hashToken,
+	}
+	apiKey, err = apiKeyRepo.CreateApiKey(apiKey)
+	if err != nil {
+		return api.Error(c, "Failed to create api key", fiber.StatusInternalServerError, fiber.Map{
+			"message": "Failed to create api key",
+		})
+	}
+
+	apiKeyPlain := fmt.Sprintf("%s:%s", apiKey.ID.String(), token)
+	apiKeyPlainEncoded := base64.StdEncoding.EncodeToString([]byte(apiKeyPlain))
+	apiKeyToken := fmt.Sprintf("scn:%s", apiKeyPlainEncoded)
+
+	data := fiber.Map{
+		"token": apiKeyToken,
+		"id":    apiKey.ID,
+	}
+
+	return api.Success(c, data, fiber.StatusCreated, nil, nil)
+}