Consent 승인 및 해지 이벤트 감사 로그 기록

backend/internal/handler/auth_handler.go

@@ -3342,6 +3342,24 @@ func (h *AuthHandler) RevokeLinkedRp(c *fiber.Ctx) error {
 		return fiber.NewError(fiber.StatusInternalServerError, "Failed to revoke link")
 	}
 
+	if h.AuditRepo != nil {
+		detailsMap := map[string]interface{}{
+			"client_id": clientID,
+		}
+		detailsBytes, _ := json.Marshal(detailsMap)
+
+		_ = h.AuditRepo.Create(&domain.AuditLog{
+			EventID:    GenerateSecureToken(16),
+			Timestamp:  time.Now(),
+			UserID:     subject,
+			EventType:  "consent.revoked",
+			Status:     "success",
+			IPAddress:  c.IP(),
+			UserAgent:  string(c.Request().Header.UserAgent()),
+			Details:    string(detailsBytes),
+		})
+	}
+
 	return c.Status(fiber.StatusOK).JSON(fiber.Map{
 		"status":  "success",
 		"message": "Link revoked successfully",
@@ -3467,6 +3485,26 @@ func (h *AuthHandler) AcceptConsentRequest(c *fiber.Ctx) error {
 		return fiber.NewError(fiber.StatusInternalServerError, "Failed to accept consent request")
 	}
 
+	if h.AuditRepo != nil {
+		detailsMap := map[string]interface{}{
+			"client_id":   consentRequest.Client.ClientID,
+			"scopes":      consentRequest.RequestedScope,
+			"client_name": consentRequest.Client.ClientName,
+		}
+		detailsBytes, _ := json.Marshal(detailsMap)
+
+		_ = h.AuditRepo.Create(&domain.AuditLog{
+			EventID:    GenerateSecureToken(16),
+			Timestamp:  time.Now(),
+			UserID:     consentRequest.Subject,
+			EventType:  "consent.granted",
+			Status:     "success",
+			IPAddress:  c.IP(),
+			UserAgent:  string(c.Request().Header.UserAgent()),
+			Details:    string(detailsBytes),
+		})
+	}
+
 	return c.JSON(acceptResp)
 }
 
@@ -4998,3 +5036,100 @@ func mergeScopes(current []string, next []string) []string {
 	}
 	return current
 }
+
+type rpHistoryItem struct {
+	ClientID       string     `json:"client_id"`
+	ClientName     string     `json:"client_name"`
+	Scopes         []string   `json:"scopes"`
+	LastApprovedAt *time.Time `json:"last_approved_at"`
+	LastRevokedAt  *time.Time `json:"last_revoked_at"`
+	Status         string     `json:"status"`
+}
+
+func (h *AuthHandler) ListRpHistory(c *fiber.Ctx) error {
+	subject, err := h.resolveConsentSubject(c)
+	if err != nil || subject == "" {
+		return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Invalid session"})
+	}
+
+	if h.AuditRepo == nil {
+		return c.Status(fiber.StatusServiceUnavailable).JSON(fiber.Map{"error": "Audit service unavailable"})
+	}
+
+	logs, err := h.AuditRepo.FindByUserAndEvents(c.Context(), subject, []string{"consent.granted", "consent.revoked"}, 100)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Failed to fetch history"})
+	}
+
+	historyMap := make(map[string]*rpHistoryItem)
+
+	// Logs are DESC (newest first). Iterate in reverse (oldest first) to build state.
+	for i := len(logs) - 1; i >= 0; i-- {
+		log := logs[i]
+		details, _ := parseAuditDetails(log.Details)
+		clientID, _ := details["client_id"].(string)
+		if clientID == "" {
+			continue
+		}
+
+		item, ok := historyMap[clientID]
+		if !ok {
+			item = &rpHistoryItem{
+				ClientID: clientID,
+				Status:   "unknown",
+			}
+			historyMap[clientID] = item
+		}
+
+		if name, ok := details["client_name"].(string); ok && name != "" {
+			item.ClientName = name
+		}
+
+		if log.EventType == "consent.granted" {
+			item.Status = "active"
+			ts := log.Timestamp
+			item.LastApprovedAt = &ts
+
+			if scopesRaw, ok := details["scopes"].([]interface{}); ok {
+				scopes := make([]string, 0, len(scopesRaw))
+				for _, s := range scopesRaw {
+					if str, ok := s.(string); ok {
+						scopes = append(scopes, str)
+					}
+				}
+				item.Scopes = scopes
+			}
+		} else if log.EventType == "consent.revoked" {
+			item.Status = "revoked"
+			ts := log.Timestamp
+			item.LastRevokedAt = &ts
+		}
+	}
+
+	items := make([]rpHistoryItem, 0, len(historyMap))
+	for _, item := range historyMap {
+		items = append(items, *item)
+	}
+
+	sort.Slice(items, func(i, j int) bool {
+		t1 := time.Time{}
+		if items[i].LastApprovedAt != nil {
+			t1 = *items[i].LastApprovedAt
+		}
+		if items[i].LastRevokedAt != nil && items[i].LastRevokedAt.After(t1) {
+			t1 = *items[i].LastRevokedAt
+		}
+
+		t2 := time.Time{}
+		if items[j].LastApprovedAt != nil {
+			t2 = *items[j].LastApprovedAt
+		}
+		if items[j].LastRevokedAt != nil && items[j].LastRevokedAt.After(t2) {
+			t2 = *items[j].LastRevokedAt
+		}
+
+		return t1.After(t2)
+	})
+
+	return c.JSON(fiber.Map{"items": items})
+}