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handler.go
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handler.go
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package auth
import (
"net/http"
"strconv"
"github.com/gin-gonic/gin"
)
type Handler struct {
service *Service
}
func NewHandler(service *Service) *Handler {
return &Handler{service: service}
}
type LoginRequest struct {
Username string `json:"username"`
Password string `json:"password"`
RefreshToken string `json:"refreshToken"`
}
func (h *Handler) Login(c *gin.Context) {
var req LoginRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request payload"})
return
}
// Check if logging in with a refresh token
if req.RefreshToken != "" {
// validate refresh token and get user ID
userID, err := h.service.ValidateRefreshToken(req.RefreshToken)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid refresh token"})
return
}
// Generate new JWT token
user, _ := h.service.userRetriever.GetUserByID(strconv.FormatUint(uint64(userID), 10))
token, tokenExp, err := GenerateJWT(user)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
return
}
c.JSON(http.StatusOK, gin.H{
"user": user,
"token": token,
"tokenExpires": tokenExp.Unix(),
})
return
}
// authenticate with username and password
user, err := h.service.Authenticate(req.Username, req.Password)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Authentication failed"})
return
}
// generate JWT token
token, tokenExp, err := GenerateJWT(user)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
return
}
// generate Refresh Token
refreshToken, refreshExp, err := h.service.GenerateRefreshToken(user.ID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate refresh token"})
return
}
c.JSON(http.StatusOK, gin.H{
"user": user,
"token": token,
"tokenExpires": tokenExp.Unix(),
"refreshToken": refreshToken,
"refreshExpires": refreshExp.Unix(),
})
}
type CreateAccountRequest struct {
Username string `json:"username"`
Email string `json:"email"`
Password string `json:"password"`
}
func (h *Handler) CreateAccount(c *gin.Context) {
var req CreateAccountRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request payload"})
return
}
input := CreateAccountRequest{
Username: req.Username,
Email: req.Email,
Password: req.Password,
}
err := h.service.CreateAccountService(input)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{"message": "Account created successfully"})
}