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auth_controller.go
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/
auth_controller.go
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// Package controllers Auth controllers
package controllers
import (
"strconv"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/feserr/pheme-auth/database"
"github.com/go-playground/validator"
"github.com/gofiber/fiber/v2"
"golang.org/x/crypto/bcrypt"
"github.com/feserr/pheme-user/models"
)
// SecretKey secret key
const SecretKey = "secret"
var validate *validator.Validate
func init() {
validate = validator.New()
}
// Register godoc
// @Summary Register a user
// @Description add a user
// @Tags authentication
// @Accept json
// @Produce json
// @Success 200 {object} models.User
// @Failure 400 {object} models.Message
// @Router /register [post]
func Register(c *fiber.Ctx) error {
body := models.UserParamsNew{}
if err := c.BodyParser(&body); err != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "Invalid JSON body",
})
}
if err := validate.Struct(body); err != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "Wrong JSON params",
})
}
currentTime := time.Now()
password, _ := bcrypt.GenerateFromPassword([]byte(body.Password), 14)
user := models.User{
Version: models.UserVersion(),
Name: body.Name,
Email: body.Email,
Password: password,
PasswordDate: currentTime,
CreatedAt: currentTime,
}
if createdUser := database.DB.Create(&user); createdUser.Error != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "Email already used",
})
}
return c.JSON(user)
}
// Login godoc
// @Summary Login to a user
// @Description user login
// @Tags authentication
// @Accept json
// @Produce json
// @Success 200 {object} models.Message
// @Failure 404 {object} models.Message
// @Failure 400 {object} models.Message
// @Failure 500 {object} models.Message
// @Router /login [post]
func Login(c *fiber.Ctx) error {
body := models.UserParamsLogin{}
if err := c.BodyParser(&body); err != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "Invalid JSON body",
})
}
if err := validate.Struct(body); err != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "Wrong JSON params",
})
}
user := models.User{}
if loggedUser := database.DB.Where("email = ?", body.Email).First(&user); loggedUser.Error != nil {
c.Status(fiber.StatusNotFound)
return c.JSON(fiber.Map{
"message": "User not found",
})
}
if err := bcrypt.CompareHashAndPassword(user.Password, []byte(body.Password)); err != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "Incorrect password",
})
}
claims := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.StandardClaims{
Issuer: strconv.Itoa(int(user.ID)),
ExpiresAt: time.Now().Add(time.Hour * 24).Unix(),
})
token, err := claims.SignedString([]byte(SecretKey))
if err != nil {
c.Status(fiber.StatusInternalServerError)
return c.JSON(fiber.Map{
"message": "Could not login",
})
}
cookie := fiber.Cookie{
Name: "jwt",
Value: token,
Expires: time.Now().Add(time.Hour * 24),
HTTPOnly: true,
}
c.Cookie(&cookie)
return c.JSON(fiber.Map{
"message": "success",
})
}
// User godoc
// @Summary Retrieve the user
// @Description get the user cookie
// @Tags authentication
// @Produce json
// @Success 200 {object} models.User
// @Failure 401 {object} models.Message
// @Router /user [get]
func User(c *fiber.Ctx) error {
user, err := models.GetUser(c, SecretKey)
if err != nil {
c.Status(fiber.StatusUnauthorized)
return c.JSON(fiber.Map{
"message": "Unauthenticated",
})
}
return c.JSON(user)
}
// Logout godoc
// @Summary Logout the user
// @Description logout and remove the user cookie
// @Tags authentication
// @Produce json
// @Success 200 {object} models.Message
// @Router /logout [post]
func Logout(c *fiber.Ctx) error {
cookie := fiber.Cookie{
Name: "jwt",
Value: "",
Expires: time.Now().Add(-time.Hour),
HTTPOnly: true,
}
c.Cookie(&cookie)
return c.JSON(fiber.Map{
"message": "Success",
})
}
// Delete godoc
// @Summary Delete the user
// @Description delete the user
// @Tags authentication
// @Produce json
// @Success 200 {object} models.Message
// @Failure 400 {object} models.Message
// @Failure 401 {object} models.Message
// @Router /user [delete]
func Delete(c *fiber.Ctx) error {
user, err := models.GetUser(c, SecretKey)
if err != nil {
c.Status(fiber.StatusUnauthorized)
return c.JSON(fiber.Map{
"message": "Unauthenticated",
})
}
err = models.DeleteByID(user.ID)
if err != nil {
c.Status(fiber.StatusBadRequest)
return c.JSON(fiber.Map{
"message": "User don't exist",
})
}
return c.JSON(fiber.Map{
"message": "Success",
})
}