forked from baron/baron-sso
334 lines
12 KiB
Go
334 lines
12 KiB
Go
package handler
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import (
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"baron-sso-backend/internal/domain"
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"baron-sso-backend/internal/service"
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"context"
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"encoding/json"
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"fmt"
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"log"
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"math/rand"
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"os"
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"strings"
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"time"
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"github.com/descope/go-sdk/descope"
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"github.com/descope/go-sdk/descope/client"
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"github.com/gofiber/fiber/v2"
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)
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type AuthHandler struct {
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ProjectID string
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SmsService domain.SmsService
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RedisService *service.RedisService
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DescopeClient *client.DescopeClient
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}
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func NewAuthHandler() *AuthHandler {
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redisService, err := service.NewRedisService()
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if err != nil {
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log.Fatalf("Failed to connect to Redis: %v", err)
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}
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projectID := os.Getenv("DESCOPE_PROJECT_ID")
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managementKey := os.Getenv("DESCOPE_MANAGEMENT_KEY")
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var descopeClient *client.DescopeClient
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if projectID != "" {
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descopeClient, err = client.NewWithConfig(&client.Config{
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ProjectID: projectID,
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ManagementKey: managementKey,
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})
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if err != nil {
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log.Printf("Warning: Failed to initialize Descope Client: %v", err)
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}
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}
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return &AuthHandler{
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ProjectID: projectID,
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SmsService: service.NewSmsService(),
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RedisService: redisService,
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DescopeClient: descopeClient,
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}
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}
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// SendSms sends a verification code via SMS. (Restored for completeness)
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func (h *AuthHandler) SendSms(c *fiber.Ctx) error {
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var req domain.SmsRequest
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if err := c.BodyParser(&req); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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log.Printf("[SMS] Sending code to: %s", req.PhoneNumber)
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sanitizedPhone := strings.ReplaceAll(req.PhoneNumber, "-", "")
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rand.Seed(time.Now().UnixNano())
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code := fmt.Sprintf("%06d", rand.Intn(1000000))
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content := fmt.Sprintf("[Baron SSO] 인증번호: %s", code)
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h.RedisService.StoreVerificationCode(sanitizedPhone, code)
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if err := h.SmsService.SendSms(sanitizedPhone, content); err != nil {
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send SMS"})
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}
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return c.JSON(fiber.Map{"message": "SMS sent successfully"})
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}
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// VerifySms verifies the provided SMS code. (Restored)
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func (h *AuthHandler) VerifySms(c *fiber.Ctx) error {
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var req domain.SmsVerifyRequest
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if err := c.BodyParser(&req); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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sanitizedPhone := strings.ReplaceAll(req.PhoneNumber, "-", "")
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storedCode, _ := h.RedisService.GetVerificationCode(sanitizedPhone)
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if storedCode == "" || storedCode != req.Code {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Invalid or expired code"})
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}
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h.RedisService.DeleteVerificationCode(sanitizedPhone)
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// Note: In a real scenario, you might want to generate a Descope JWT here too
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// using the same logic as VerifyMagicLink, but for now returning a placeholder
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// or you can call the Descope logic if needed.
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token := "sms-verified-placeholder-token"
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return c.JSON(fiber.Map{"token": token})
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}
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// InitEnchantedLink - Custom Implementation (Restored)
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func (h *AuthHandler) InitEnchantedLink(c *fiber.Ctx) error {
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var req domain.EnchantedLinkInitRequest
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if err := c.BodyParser(&req); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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loginID := strings.ReplaceAll(req.LoginID, "-", "")
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loginID = strings.ReplaceAll(loginID, " ", "")
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// Generate tokens
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rand.Seed(time.Now().UnixNano())
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token := fmt.Sprintf("tk_%d%d", time.Now().Unix(), rand.Intn(100000))
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pendingRef := fmt.Sprintf("ref_%d%d", time.Now().Unix(), rand.Intn(100000))
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// Store in Redis
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h.RedisService.Set("enchanted_session:"+pendingRef, `{"status":"pending"}`, 5*time.Minute)
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h.RedisService.Set("enchanted_token:"+token, fmt.Sprintf(`{"pendingRef":"%s","loginId":"%s"}`, pendingRef, loginID), 5*time.Minute)
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// Send SMS
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// Frontend URL should be dynamic or env based, but restoring hardcoded/env logic
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// The frontend uses ssologin.hmac.kr
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frontendURL := "http://ssologin.hmac.kr"
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link := fmt.Sprintf("%s/?t=%s", frontendURL, token)
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content := fmt.Sprintf("[Baron SSO] 로그인 링크: %s", link)
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log.Printf("[Enchanted] Sending link to %s", loginID)
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if err := h.SmsService.SendSms(loginID, content); err != nil {
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log.Printf("[Enchanted] SMS Failed: %v", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send SMS"})
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}
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return c.JSON(fiber.Map{
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"linkId": "SMS Sent",
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"pendingRef": pendingRef,
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"maskedEmail": loginID,
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})
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}
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// PollEnchantedLink - Check status (Restored)
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func (h *AuthHandler) PollEnchantedLink(c *fiber.Ctx) error {
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var req domain.EnchantedLinkPollRequest
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if err := c.BodyParser(&req); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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val, err := h.RedisService.Get("enchanted_session:" + req.PendingRef)
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if err != nil || val == "" {
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return c.JSON(fiber.Map{"status": "pending"})
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}
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var data map[string]string
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json.Unmarshal([]byte(val), &data)
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if data["status"] == "success" {
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return c.JSON(fiber.Map{
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"sessionJwt": data["jwt"],
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"status": "ok",
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})
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}
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return c.JSON(fiber.Map{"status": "pending"})
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}
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// VerifyMagicLink - Validate token and login (Restored)
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func (h *AuthHandler) VerifyMagicLink(c *fiber.Ctx) error {
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var req domain.MagicLinkVerifyRequest
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if err := c.BodyParser(&req); err != nil {
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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tokenKey := "enchanted_token:" + req.Token
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val, err := h.RedisService.Get(tokenKey)
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if err != nil || val == "" {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Invalid or expired token"})
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}
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var tokenData map[string]string
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json.Unmarshal([]byte(val), &tokenData)
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pendingRef := tokenData["pendingRef"]
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loginID := tokenData["loginId"]
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// 1. Generate Descope Session Directly (Management SDK)
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if h.DescopeClient == nil {
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Descope Client not configured"})
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}
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// Use GenerateEmbeddedLink to get a session JWT directly for the user.
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// This generates a JWT that mimics a successful login.
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// In the Go SDK, GenerateEmbeddedLink usually returns the token string directly.
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jwtToken, err := h.DescopeClient.Management.User().GenerateEmbeddedLink(context.Background(), loginID, nil, 0)
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if err != nil {
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// If user does not exist, create it and retry
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if strings.Contains(err.Error(), "User not found") || strings.Contains(err.Error(), "E062108") {
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log.Printf("User %s not found. Creating new user...", loginID)
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// Format LoginID for Descope (E.164 for phones)
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descopeLoginID := loginID
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userObj := &descope.UserRequest{}
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if strings.Contains(loginID, "@") {
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userObj.Email = loginID
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} else {
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// LoginID is likely a phone number
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// Convert 010-XXXX-XXXX (sanitized to 010XXXXXXXX) to +8210XXXXXXXX
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if strings.HasPrefix(loginID, "010") {
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descopeLoginID = "+82" + loginID[1:]
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}
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userObj.Phone = descopeLoginID
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}
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// Create user using the formatted LoginID
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_, errCreate := h.DescopeClient.Management.User().Create(context.Background(), descopeLoginID, userObj)
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if errCreate != nil {
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log.Printf("Failed to create user: %v", errCreate)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to create new user"})
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}
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// Retry generating token with the Descope LoginID
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jwtToken, err = h.DescopeClient.Management.User().GenerateEmbeddedLink(context.Background(), descopeLoginID, nil, 0)
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if err != nil {
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log.Printf("Failed to generate Descope Session after creation: %v", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to generate token for new user"})
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}
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} else {
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log.Printf("Failed to generate Descope Session: %v", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to generate upstream token"})
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}
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}
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// Exchange the Embedded Token for a real Session JWT
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// We pass nil for ResponseWriter as we don't need the SDK to set cookies here.
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authInfo, err := h.DescopeClient.Auth.MagicLink().Verify(context.Background(), jwtToken, nil)
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if err != nil {
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log.Printf("Failed to verify embedded token: %v", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to verify upstream token"})
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}
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realJwtToken := authInfo.SessionToken.JWT
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// Update Session
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sessionData, _ := json.Marshal(map[string]string{
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"status": "success",
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"jwt": realJwtToken,
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})
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h.RedisService.Set("enchanted_session:"+pendingRef, string(sessionData), 5*time.Minute)
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return c.JSON(fiber.Map{
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"token": realJwtToken,
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"message": "Login successful",
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})
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}
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// ProxyToDescope (Placeholder)
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func (h *AuthHandler) ProxyToDescope(c *fiber.Ctx, path string, payload interface{}) error {
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return c.Status(501).SendString("Descope Proxy Disabled")
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}
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// HandleDescopeSmsRelay
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func (h *AuthHandler) HandleDescopeSmsRelay(c *fiber.Ctx) error {
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var req struct {
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Recipient string `json:"recipient"`
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Body string `json:"body"`
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}
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if err := c.BodyParser(&req); err != nil {
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log.Printf("[Webhook] Body parsing failed: %v", err)
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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if req.Recipient == "" || req.Body == "" {
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log.Printf("[Webhook] Missing recipient or body")
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Missing recipient or body"})
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}
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log.Printf("[Webhook] Received SMS request for %s", req.Recipient)
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phone := req.Recipient
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if strings.HasPrefix(phone, "+82") {
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phone = "0" + phone[3:]
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}
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phone = strings.ReplaceAll(phone, "-", "")
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phone = strings.ReplaceAll(phone, " ", "")
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if err := h.SmsService.SendSms(phone, req.Body); err != nil {
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log.Printf("[Webhook] Failed to forward SMS to Naver: %v", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send SMS via Naver"})
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}
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log.Printf("[Webhook] Successfully forwarded SMS to %s", phone)
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return c.JSON(fiber.Map{"status": "ok"})
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}
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// HandleDescopeEmailRelay - Webhook for Descope Generic Email Gateway
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// Used for "Fake Email Strategy" to support Polling with SMS.
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func (h *AuthHandler) HandleDescopeEmailRelay(c *fiber.Ctx) error {
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var req struct {
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To string `json:"to"` // e.g., 01012345678@sms.baron
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Subject string `json:"subject"`
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Text string `json:"text"` // Body containing the link
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}
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if err := c.BodyParser(&req); err != nil {
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log.Printf("[Email Webhook] Body parsing failed: %v", err)
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
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}
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log.Printf("[Email Webhook] Received email request for %s", req.To)
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// Check if it's a Fake Email for SMS
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if strings.HasSuffix(req.To, "@sms.baron") {
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phone := strings.Split(req.To, "@")[0]
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// Sanitize Phone (Descope might sanitize or not, but let's be safe)
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if strings.HasPrefix(phone, "+82") {
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phone = "0" + phone[3:]
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}
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// Send SMS with the text body (Descope template should be optimized for SMS)
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if err := h.SmsService.SendSms(phone, req.Text); err != nil {
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log.Printf("[Email Webhook] Failed to forward Email-as-SMS: %v", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send SMS"})
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}
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log.Printf("[Email Webhook] Successfully converted Email to SMS for %s", phone)
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return c.JSON(fiber.Map{"status": "ok"})
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}
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// Real Email Handling (Not implemented in this Relay)
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// You would need an SMTP service here if you route ALL emails through this relay.
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log.Printf("[Email Webhook] Real email skipped (Not implemented): %s", req.To)
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return c.Status(501).JSON(fiber.Map{"error": "Real email sending not implemented"})
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}
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