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433 lines
12 KiB
Go
433 lines
12 KiB
Go
package controllers
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"history-api/internal/dtos/request"
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"history-api/internal/dtos/response"
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"history-api/internal/models"
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"history-api/internal/services"
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"history-api/pkg/validator"
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"time"
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"github.com/gofiber/fiber/v3"
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"github.com/google/uuid"
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"golang.org/x/oauth2"
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"google.golang.org/api/idtoken"
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)
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type AuthController struct {
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service services.AuthService
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oauth *oauth2.Config
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}
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func NewAuthController(svc services.AuthService, oauth *oauth2.Config) *AuthController {
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return &AuthController{service: svc, oauth: oauth}
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}
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// Signin godoc
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// @Summary Sign in a user
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// @Description Authenticate user credentials and return access/refresh tokens
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// @Tags Auth
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// @Accept json
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// @Produce json
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// @Param request body request.SignInDto true "Sign In credentials"
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// @Success 200 {object} response.CommonResponse
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// @Failure 400 {object} response.CommonResponse
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// @Failure 401 {object} response.CommonResponse "Invalid credentials"
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// @Failure 500 {object} response.CommonResponse
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// @Router /auth/signin [post]
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func (h *AuthController) Signin(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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dto := &request.SignInDto{}
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if err := validator.ValidateBodyDto(c, dto); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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res, err := h.service.Signin(ctx, dto)
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if err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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c.Cookie(&fiber.Cookie{
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Name: "access_token",
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Value: res.AccessToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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c.Cookie(&fiber.Cookie{
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Name: "refresh_token",
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Value: res.RefreshToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
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Status: true,
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Data: res,
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})
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}
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// Signup godoc
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// @Summary Register a new user
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// @Description Create a new user account in the system
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// @Tags Auth
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// @Accept json
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// @Produce json
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// @Param request body request.SignUpDto true "Sign Up details"
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// @Success 200 {object} response.CommonResponse
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// @Failure 400 {object} response.CommonResponse
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// @Failure 500 {object} response.CommonResponse
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// @Router /auth/signup [post]
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func (h *AuthController) Signup(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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dto := &request.SignUpDto{}
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if err := validator.ValidateBodyDto(c, dto); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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res, err := h.service.Signup(ctx, dto)
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if err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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c.Cookie(&fiber.Cookie{
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Name: "access_token",
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Value: res.AccessToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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c.Cookie(&fiber.Cookie{
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Name: "refresh_token",
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Value: res.RefreshToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
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Status: true,
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Data: res,
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})
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}
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// RefreshToken godoc
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// @Summary Refresh session tokens
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// @Description Generate a new access token using a valid refresh token from context
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// @Tags Auth
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// @Accept json
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// @Produce json
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// @Security BearerAuth
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// @Success 200 {object} response.CommonResponse
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// @Failure 401 {object} response.CommonResponse "Unauthorized or expired refresh token"
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// @Failure 500 {object} response.CommonResponse
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// @Router /auth/refresh [post]
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func (h *AuthController) RefreshToken(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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res, err := h.service.RefreshToken(ctx, c.Locals("uid").(string))
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if err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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c.Cookie(&fiber.Cookie{
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Name: "access_token",
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Value: res.AccessToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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c.Cookie(&fiber.Cookie{
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Name: "refresh_token",
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Value: res.RefreshToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
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Status: true,
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Data: res,
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})
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}
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// VerifyToken godoc
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// @Summary Verify a security token
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// @Description Validate an OTP or email verification token
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// @Tags Auth
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// @Accept json
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// @Produce json
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// @Param request body request.VerifyTokenDto true "Token verification data"
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// @Success 200 {object} response.CommonResponse
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// @Failure 400 {object} response.CommonResponse
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// @Failure 500 {object} response.CommonResponse
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// @Router /auth/token/verify [post]
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func (h *AuthController) VerifyToken(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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dto := &request.VerifyTokenDto{}
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if err := validator.ValidateBodyDto(c, dto); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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res, err := h.service.VerifyToken(ctx, dto)
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if err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
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Status: true,
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Data: res,
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})
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}
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// CreateToken godoc
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// @Summary Generate a new verification token
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// @Description Request a new token for specific actions like email confirmation
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// @Tags Auth
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// @Accept json
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// @Produce json
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// @Param request body request.CreateTokenDto true "Token creation request"
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// @Success 200 {object} response.CommonResponse
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// @Failure 400 {object} response.CommonResponse
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// @Failure 500 {object} response.CommonResponse
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// @Router /auth/token/create [post]
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func (h *AuthController) CreateToken(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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dto := &request.CreateTokenDto{}
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if err := validator.ValidateBodyDto(c, dto); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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err := h.service.CreateToken(ctx, dto)
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if err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
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Status: true,
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Message: "If this email exists, an OTP has been sent",
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})
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}
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// ForgotPassword godoc
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// @Summary Handle forgotten password
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// @Description Initiate password recovery process for a user
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// @Tags Auth
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// @Accept json
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// @Produce json
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// @Param request body request.ForgotPasswordDto true "Forgot Password request"
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// @Success 200 {object} response.CommonResponse
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// @Failure 400 {object} response.CommonResponse
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// @Failure 500 {object} response.CommonResponse
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// @Router /auth/forgot-password [post]
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func (h *AuthController) ForgotPassword(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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dto := &request.ForgotPasswordDto{}
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if err := validator.ValidateBodyDto(c, dto); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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err := h.service.ForgotPassword(ctx, dto)
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if err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
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Status: true,
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Data: nil,
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Message: "Password reset successfully",
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})
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}
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// GoogleLogin godoc
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// @Summary Initiate Google OAuth2 login
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// @Description Generates a state string, sets it in a cookie, and redirects the user to Google's consent page.
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// @Tags Auth
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// @Success 302 {string} string "Redirect to Google"
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// @Router /auth/google/login [get]
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func (h *AuthController) GoogleLogin(c fiber.Ctx) error {
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_, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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state := uuid.New().String()
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redirect := c.Query("redirect")
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if redirect == "" {
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redirect = "http://localhost:3000"
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}
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data := models.OAuthState{
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State: state,
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RedirectURL: redirect,
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}
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b, _ := json.Marshal(data)
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encoded := base64.URLEncoding.EncodeToString(b)
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c.Cookie(&fiber.Cookie{
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Name: "oauth_state",
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Value: state,
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Expires: time.Now().Add(15 * time.Minute),
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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url := h.oauth.AuthCodeURL(encoded)
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return c.Redirect().To(url)
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}
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// GoogleCallback godoc
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// @Summary Handle Google OAuth2 callback
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// @Description Receives the auth code from Google, exchanges it for tokens, creates/logs in the user, and redirects back to the frontend with application tokens.
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// @Tags Auth
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// @Param state query string true "Security state string"
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// @Param code query string true "Authorization code from Google"
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// @Success 302 {string} string "Redirect to Frontend with JWTs"
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// @Failure 401 {object} response.CommonResponse "Invalid state"
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// @Failure 500 {object} response.CommonResponse "Internal Server Error"
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// @Router /auth/google/callback [get]
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func (h *AuthController) GoogleCallback(c fiber.Ctx) error {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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encoded := c.Query("state")
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b, err := base64.URLEncoding.DecodeString(encoded)
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if err != nil {
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return c.Status(400).JSON(fiber.Map{"error": "Invalid state"})
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}
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var data models.OAuthState
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if err := json.Unmarshal(b, &data); err != nil {
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return c.Status(400).JSON(fiber.Map{"error": "Invalid state"})
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}
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stateFromCookie := c.Cookies("oauth_state")
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if data.State != stateFromCookie {
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return c.Status(401).JSON(fiber.Map{"error": "Invalid state"})
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}
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c.ClearCookie("oauth_state")
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code := c.Query("code")
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token, err := h.oauth.Exchange(ctx, code)
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if err != nil {
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return c.Status(500).JSON(fiber.Map{"error": "Token exchange failed"})
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}
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idToken, ok := token.Extra("id_token").(string)
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if !ok {
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return c.Status(500).JSON(fiber.Map{"error": "No id_token"})
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}
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payload, err := idtoken.Validate(ctx, idToken, h.oauth.ClientID)
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if err != nil {
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return c.Status(401).JSON(fiber.Map{"error": "Token verification failed"})
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}
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googleUser := request.SigninWithGoogleDto{
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Sub: payload.Subject,
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Email: payload.Claims["email"].(string),
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Name: payload.Claims["name"].(string),
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Picture: payload.Claims["picture"].(string),
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}
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res, err := h.service.SigninWithGoogle(ctx, &googleUser)
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if err != nil {
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return c.Status(500).JSON(response.CommonResponse{
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Status: false,
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Message: err.Error(),
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})
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}
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c.Cookie(&fiber.Cookie{
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Name: "access_token",
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Value: res.AccessToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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c.Cookie(&fiber.Cookie{
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Name: "refresh_token",
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Value: res.RefreshToken,
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HTTPOnly: true,
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Secure: true,
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SameSite: "None",
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Path: "/",
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})
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allowed := map[string]bool{
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"http://localhost:3000": true,
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"http://localhost:5500": true,
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"https://app.yourdomain.com": true,
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}
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redirectURL := data.RedirectURL
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if !allowed[redirectURL] {
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redirectURL = "http://localhost:3000"
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}
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return c.Redirect().To(redirectURL)
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}
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