forked from baron/baron-sso
501 lines
17 KiB
Go
501 lines
17 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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crand "crypto/rand"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"log/slog"
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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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const (
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// Redis Key Prefixes
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prefixSession = "enchanted_session:"
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prefixToken = "enchanted_token:"
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// Session Statuses
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statusPending = "pending"
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statusSuccess = "success"
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// Durations
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defaultExpiration = 5 * time.Minute
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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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EmailService domain.EmailService
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RedisService *service.RedisService
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DescopeClient *client.DescopeClient
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}
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// GenerateSecureToken - Helper to generate secure random strings
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func GenerateSecureToken(length int) string {
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b := make([]byte, length)
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if _, err := crand.Read(b); err != nil {
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return ""
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}
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return hex.EncodeToString(b)
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}
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func NewAuthHandler(redisService *service.RedisService) *AuthHandler {
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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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var err error
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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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slog.Warn("Failed to initialize Descope Client", "error", 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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EmailService: service.NewEmailService(),
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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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slog.Info("[SMS] Sending code", "phoneNumber", 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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slog.Error("[Enchanted] Body parse error", "error", 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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loginID := strings.ReplaceAll(req.LoginID, "-", "")
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loginID = strings.ReplaceAll(loginID, " ", "")
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// Generate secure tokens
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token := GenerateSecureToken(3)
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pendingRef := GenerateSecureToken(3)
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slog.Info("[Enchanted] Initiating enchanted link", "loginID", loginID, "token", token, "pendingRef", pendingRef)
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// Store in Redis
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h.RedisService.Set(prefixSession+pendingRef, fmt.Sprintf(`{"status":"%s"}`, statusPending), defaultExpiration)
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h.RedisService.Set(prefixToken+token, fmt.Sprintf(`{"pendingRef":"%s","loginId":"%s"}`, pendingRef, loginID), defaultExpiration)
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// Generate Link
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frontendURL := os.Getenv("FRONTEND_URL")
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if frontendURL == "" {
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frontendURL = "http://ssologin.hmac.kr"
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}
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link := fmt.Sprintf("%s/verify/%s", frontendURL, token)
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// Route based on LoginID type
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if strings.Contains(loginID, "@") {
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// Send Email
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if h.EmailService == nil {
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slog.Error("[Enchanted] Email Service not configured")
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Email service not configured"})
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}
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subject := "[Baron SSO] 로그인 링크"
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body := fmt.Sprintf(`
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<div style="font-family: sans-serif; padding: 20px; border: 1px solid #eee; border-radius: 10px; max-width: 500px;">
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<h2 style="color: #1A1F2C;">Baron SSO 로그인</h2>
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<p>안녕하세요,</p>
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<p>아래 버튼을 클릭하여 로그인을 완료해 주세요. 이 링크는 5분 동안 유효합니다.</p>
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<div style="margin: 30px 0;">
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<a href="%s" style="background-color: #1A1F2C; color: white; padding: 12px 24px; text-decoration: none; border-radius: 5px; font-weight: bold;">로그인 완료하기</a>
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</div>
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<p style="font-size: 12px; color: #888;">만약 본인이 요청하지 않았다면 이 메일을 무시하셔도 됩니다.</p>
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</div>
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`, link)
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slog.Info("[Enchanted] Sending Email via AWS SES", "loginID", loginID)
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if err := h.EmailService.SendEmail(loginID, subject, body); err != nil {
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slog.Error("[Enchanted] Email Failed", "error", err)
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return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send Email"})
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}
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} else {
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// Send SMS
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content := fmt.Sprintf("[Baron SSO] 로그인 링크: %s", link)
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slog.Info("[Enchanted] Sending SMS via Naver Cloud", "loginID", loginID)
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if err := h.SmsService.SendSms(loginID, content); err != nil {
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slog.Error("[Enchanted] SMS Failed", "error", 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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}
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return c.JSON(fiber.Map{
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"linkId": "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(prefixSession + req.PendingRef)
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if err != nil || val == "" {
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return c.JSON(fiber.Map{"status": statusPending})
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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"] == statusSuccess {
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slog.Info("[Poll] Success", "pendingRef", req.PendingRef)
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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": statusPending})
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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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slog.Error("[Verify] Body parse error", "error", 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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slog.Info("[Verify] Attempting to verify token", "token", req.Token)
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tokenKey := prefixToken + req.Token
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val, err := h.RedisService.Get(tokenKey)
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if err != nil || val == "" {
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slog.Warn("[Verify] Token not found or expired in Redis", "token", req.Token)
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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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slog.Info("[Verify] Token valid", "loginID", loginID, "pendingRef", pendingRef)
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// 1. Generate Descope Session Directly (Management SDK)
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if h.DescopeClient == nil {
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slog.Error("[Verify] Descope Client is 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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// [Fix] Search for existing user by phone to prevent fragmentation
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// Normalize Phone Number for Search (E.164)
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searchPhone := loginID
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if !strings.Contains(searchPhone, "@") {
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// If it looks like a KR mobile number (010...), format to +8210...
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if strings.HasPrefix(searchPhone, "010") {
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searchPhone = "+82" + searchPhone[1:]
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} else if strings.HasPrefix(searchPhone, "82") {
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searchPhone = "+" + searchPhone
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}
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}
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slog.Info("[Verify] Searching for user", "phone", searchPhone)
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searchOptions := &descope.UserSearchOptions{
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Phones: []string{searchPhone},
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Limit: 1,
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}
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var targetLoginID string
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users, _, errSearch := h.DescopeClient.Management.User().SearchAll(context.Background(), searchOptions)
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if errSearch == nil && len(users) > 0 {
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if len(users[0].LoginIDs) > 0 {
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targetLoginID = users[0].LoginIDs[0]
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slog.Info("[Verify] User found", "existingLoginID", targetLoginID)
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} else {
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// Should not happen for a valid user, but fallback to UserID or searchPhone
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slog.Warn("[Verify] User found but no LoginIDs, using UserID")
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targetLoginID = users[0].UserID
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}
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} else {
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// Not found, or search error. Fallback to using the phone as LoginID.
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// Use the normalized phone number to ensure consistency (+82...)
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targetLoginID = searchPhone
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slog.Info("[Verify] User not found by phone, will use/create", "loginID", targetLoginID)
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}
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slog.Info("[Verify] Generating embedded link", "loginID", targetLoginID)
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embeddedToken, err := h.DescopeClient.Management.User().GenerateEmbeddedLink(context.Background(), targetLoginID, nil, 0)
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if err != nil {
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if strings.Contains(err.Error(), "User not found") || strings.Contains(err.Error(), "E062108") {
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slog.Info("[Verify] User not found, creating...", "loginID", targetLoginID)
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// Create User with Explicit Phone Attribute
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userObj := &descope.UserRequest{}
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if strings.Contains(targetLoginID, "@") {
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userObj.Email = targetLoginID
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} else {
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userObj.Phone = targetLoginID // Must be E.164
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}
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_, errCreate := h.DescopeClient.Management.User().Create(context.Background(), targetLoginID, userObj)
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if errCreate != nil {
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slog.Error("[Verify] Failed to create user", "error", 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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embeddedToken, err = h.DescopeClient.Management.User().GenerateEmbeddedLink(context.Background(), targetLoginID, nil, 0)
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if err != nil {
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slog.Error("[Verify] Failed to generate token after creation", "error", 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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} else {
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slog.Error("[Verify] Descope Error", "error", 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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slog.Info("[Verify] Exchanging embedded token for session JWT")
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authInfo, err := h.DescopeClient.Auth.MagicLink().Verify(context.Background(), embeddedToken, nil)
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if err != nil {
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slog.Error("[Verify] Final verification failed", "error", 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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sessionToken := authInfo.SessionToken.JWT
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slog.Info("[Verify] Success! Updating Redis session", "pendingRef", pendingRef)
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sessionData, _ := json.Marshal(map[string]string{
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"status": statusSuccess,
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"jwt": sessionToken,
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})
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h.RedisService.Set(prefixSession+pendingRef, string(sessionData), defaultExpiration)
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return c.JSON(fiber.Map{
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"token": sessionToken,
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"message": "Login successful",
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})
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}
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// InitQRLogin - Step 1: Web 패널에서 QR 로그인 세션을 생성합니다.
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func (h *AuthHandler) InitQRLogin(c *fiber.Ctx) error {
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pendingRef := GenerateSecureToken(16)
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// QR 코드 페이로드를 실제 접속 가능한 URL로 변경합니다.
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frontendURL := os.Getenv("FRONTEND_URL")
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if frontendURL == "" {
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frontendURL = "https://ssologin.hmac.kr"
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}
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qrPayload := fmt.Sprintf("%s/approve?ref=%s", frontendURL, pendingRef)
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slog.Info("[QR] Init", "pendingRef", pendingRef, "url", qrPayload)
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// Redis에 초기 상태 저장 (5분 만료)
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h.RedisService.Set(prefixSession+pendingRef, fmt.Sprintf(`{"status":"%s"}`, statusPending), 5*time.Minute)
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return c.JSON(fiber.Map{
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"qrCode": qrPayload, // 프론트엔드에서 이 텍스트로 QR을 생성하거나, 이미지를 반환
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"pendingRef": pendingRef,
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"expiresIn": 300,
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})
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}
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// PollQRLogin - Step 2: 웹에서 승인 여부를 폴링합니다.
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func (h *AuthHandler) PollQRLogin(c *fiber.Ctx) error {
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var req struct {
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PendingRef string `json:"pendingRef"`
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}
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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 body"})
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}
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val, err := h.RedisService.Get(prefixSession + req.PendingRef)
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if err != nil || val == "" {
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return c.JSON(fiber.Map{"status": "expired"})
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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"] == statusSuccess {
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slog.Info("[QR] Poll Success", "pendingRef", req.PendingRef)
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return c.JSON(fiber.Map{
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"status": "ok",
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"sessionJwt": data["jwt"],
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})
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}
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return c.JSON(fiber.Map{"status": statusPending})
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}
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// ScanQRLogin - Step 3: 모바일 앱에서 QR 스캔 후 승인할 때 호출합니다.
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// (이미 로그인된 세션이 필요함)
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func (h *AuthHandler) ScanQRLogin(c *fiber.Ctx) error {
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var req struct {
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PendingRef string `json:"pendingRef"`
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Token string `json:"token"` // 모바일 사용자의 세션 토큰 (검증용)
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}
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if err := c.BodyParser(&req); err != nil {
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slog.Error("[QR] Scan body parse error", "error", err)
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return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid body"})
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}
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slog.Info("[QR] Scan & Approve", "pendingRef", req.PendingRef)
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// 1. Redis에서 세션 확인
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val, err := h.RedisService.Get(prefixSession + req.PendingRef)
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if err != nil || val == "" {
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return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "Session expired or not found"})
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}
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// 2. 모바일 유저의 토큰으로 새 세션 토큰(웹용)을 발행하거나 그대로 전달
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sessionData, _ := json.Marshal(map[string]string{
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"status": statusSuccess,
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"jwt": req.Token,
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})
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h.RedisService.Set(prefixSession+req.PendingRef, string(sessionData), 5*time.Minute)
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return c.JSON(fiber.Map{"message": "QR Login Approved"})
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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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slog.Error("Webhook Body parsing failed", "error", 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 == "" {
|
|
slog.Warn("Webhook missing recipient or body")
|
|
return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Missing recipient or body"})
|
|
}
|
|
|
|
slog.Info("Received SMS request", "recipient", req.Recipient)
|
|
|
|
phone := req.Recipient
|
|
if strings.HasPrefix(phone, "+82") {
|
|
phone = "0" + phone[3:]
|
|
}
|
|
phone = strings.ReplaceAll(phone, "-", "")
|
|
phone = strings.ReplaceAll(phone, " ", "")
|
|
|
|
if err := h.SmsService.SendSms(phone, req.Body); err != nil {
|
|
slog.Error("Failed to forward SMS to Naver", "error", err)
|
|
return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send SMS via Naver"})
|
|
}
|
|
|
|
slog.Info("Successfully forwarded SMS", "phone", phone)
|
|
return c.JSON(fiber.Map{"status": "ok"})
|
|
}
|
|
|
|
// HandleDescopeEmailRelay - Webhook for Descope Generic Email Gateway
|
|
// Used for "Fake Email Strategy" to support Polling with SMS.
|
|
func (h *AuthHandler) HandleDescopeEmailRelay(c *fiber.Ctx) error {
|
|
var req struct {
|
|
To string `json:"to"` // e.g., 01012345678@sms.baron
|
|
Subject string `json:"subject"`
|
|
Text string `json:"text"` // Body containing the link
|
|
}
|
|
|
|
if err := c.BodyParser(&req); err != nil {
|
|
slog.Error("[Email Webhook] Body parsing failed", "error", err)
|
|
return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request body"})
|
|
}
|
|
|
|
slog.Info("[Email Webhook] Received email request", "to", req.To)
|
|
|
|
// Check if it's a Fake Email for SMS
|
|
if strings.HasSuffix(req.To, "@sms.baron") {
|
|
phone := strings.Split(req.To, "@")[0]
|
|
|
|
// Sanitize Phone (Descope might sanitize or not, but let's be safe)
|
|
if strings.HasPrefix(phone, "+82") {
|
|
phone = "0" + phone[3:]
|
|
}
|
|
|
|
// Send SMS with the text body (Descope template should be optimized for SMS)
|
|
if err := h.SmsService.SendSms(phone, req.Text); err != nil {
|
|
slog.Error("[Email Webhook] Failed to forward Email-as-SMS", "error", err)
|
|
return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to send SMS"})
|
|
}
|
|
|
|
slog.Info("[Email Webhook] Successfully converted Email to SMS", "phone", phone)
|
|
return c.JSON(fiber.Map{"status": "ok"})
|
|
}
|
|
|
|
// Real Email Handling (Not implemented in this Relay)
|
|
// You would need an SMTP service here if you route ALL emails through this relay.
|
|
slog.Warn("[Email Webhook] Real email skipped (Not implemented)", "to", req.To)
|
|
return c.Status(501).JSON(fiber.Map{"error": "Real email sending not implemented"})
|
|
}
|