kontor-echo: setup project to show homepage

kontor-echo/internal/handlers/auth.go

@@ -0,0 +1,114 @@
+package handlers
+
+import (
+	"kontor-api-echo/internal/config"
+	"kontor-api-echo/internal/globals"
+	"kontor-api-echo/internal/helpers"
+	"kontor-api-echo/internal/models"
+	"kontor-api-echo/internal/repository"
+	"kontor-api-echo/internal/service"
+	"net/http"
+
+	"github.com/labstack/echo/v5"
+	"github.com/uptrace/bun"
+)
+
+type AuthHandler struct {
+	Service *service.AuthService
+	Secret  []byte
+}
+
+func NewAuthHandler(db *bun.DB) *AuthHandler {
+	handler := &AuthHandler{Service: service.NewAuthService(repository.NewProfileRepository(db)), Secret: config.ServerConfig.ApiSecret}
+	return handler
+}
+
+func (handler *AuthHandler) Login(c *echo.Context) error {
+	var input models.LoginInput
+
+	if err := c.Bind(&input); err != nil {
+		return c.JSON(http.StatusBadRequest, map[string]any{"error": err.Error()})
+	}
+
+	profile_id, err := handler.Service.LoginCheck(input.Email, input.Password)
+
+	if err != nil {
+		return c.JSON(http.StatusBadRequest, map[string]any{"error": "username or password is incorrect."})
+	}
+
+	token, err := helpers.GenerateToken(profile_id)
+	logger := c.Logger()
+	if err != nil {
+		logger.Info("Login", "GenerateToken error", err.Error())
+	}
+	return c.JSON(http.StatusOK, map[string]any{"token": token})
+}
+
+func (handler *AuthHandler) LoginPage(c *echo.Context) error {
+	cookie, _ := c.Cookie(globals.UserKey)
+	user := cookie.Value
+	logger := c.Logger()
+	logger.Info("LoginPage", globals.UserKey, user)
+	data := globals.GetDefaultValues(user, "Please logout first")
+	if user != "" {
+		return c.Render(http.StatusBadRequest, "login", data)
+	}
+	data["message"] = ""
+	return c.Render(http.StatusOK, "login", data)
+}
+
+func (handler *AuthHandler) LoginPost(c *echo.Context) error {
+	cookie, _ := c.Cookie(globals.UserKey)
+	user := cookie.Value
+	logger := c.Logger()
+	logger.Info("LoginPost", "user", user)
+	data := globals.GetDefaultValues(user, "Please logout first")
+	if user != "" {
+		return c.Render(http.StatusBadRequest, "login", data)
+	}
+
+	username := c.FormValue("username")
+	password := c.FormValue("password")
+
+	if helpers.EmptyUserPass(username, password) {
+		data["message"] = "Parameters can't be empty"
+		c.Render(http.StatusBadRequest, "login", data)
+	}
+
+	profile_id, err := handler.Service.LoginCheck(username, password)
+	if err != nil {
+		data["message"] = "Incorrect username or password"
+		c.Render(http.StatusUnauthorized, "login", data)
+	}
+	c.SetCookie(&http.Cookie{
+		Name:     globals.UserKey,
+		Value:    profile_id,
+		MaxAge:   3600,
+		Path:     "/",
+		Domain:   "",
+		HttpOnly: true,
+	})
+	logger.Info("LoginPost: redirect to index")
+	return c.Redirect(http.StatusMovedPermanently, "/")
+}
+
+func (handler *AuthHandler) LogoutPage(c *echo.Context) error {
+	cookie, _ := c.Cookie(globals.UserKey)
+	user := cookie.Value
+	logger := c.Logger()
+	logger.Info("LogoutPage", globals.UserKey, user)
+	if user == "" {
+		logger.Info("Invalid session token")
+		return c.Redirect(http.StatusMovedPermanently, "/")
+	}
+	c.SetCookie(&http.Cookie{
+		Name:     globals.UserKey,
+		Value:    "",
+		MaxAge:   -1, // Deletes the cookie immediately
+		Path:     "/",
+		Domain:   "",
+		HttpOnly: true,
+	})
+	logger.Info("LogoutPage: redirect to index page")
+	return c.Redirect(http.StatusMovedPermanently, "/")
+}