Files
pocket-id-pocket-id/backend/internal/service/audit_log_service.go
2024-09-09 10:29:41 +02:00

86 lines
3.0 KiB
Go

package service
import (
userAgentParser "github.com/mileusna/useragent"
"github.com/stonith404/pocket-id/backend/internal/model"
"github.com/stonith404/pocket-id/backend/internal/utils"
"gorm.io/gorm"
"log"
)
type AuditLogService struct {
db *gorm.DB
appConfigService *AppConfigService
emailService *EmailService
}
func NewAuditLogService(db *gorm.DB, appConfigService *AppConfigService, emailService *EmailService) *AuditLogService {
return &AuditLogService{db: db, appConfigService: appConfigService, emailService: emailService}
}
// Create creates a new audit log entry in the database
func (s *AuditLogService) Create(event model.AuditLogEvent, ipAddress, userAgent, userID string, data model.AuditLogData) model.AuditLog {
auditLog := model.AuditLog{
Event: event,
IpAddress: ipAddress,
UserAgent: userAgent,
UserID: userID,
Data: data,
}
// Save the audit log in the database
if err := s.db.Create(&auditLog).Error; err != nil {
log.Printf("Failed to create audit log: %v\n", err)
return model.AuditLog{}
}
return auditLog
}
// CreateNewSignInWithEmail creates a new audit log entry in the database and sends an email if the device hasn't been used before
func (s *AuditLogService) CreateNewSignInWithEmail(ipAddress, userAgent, userID string, data model.AuditLogData) model.AuditLog {
createdAuditLog := s.Create(model.AuditLogEventSignIn, ipAddress, userAgent, userID, data)
// Count the number of times the user has logged in from the same device
var count int64
err := s.db.Model(&model.AuditLog{}).Where("user_id = ? AND ip_address = ? AND user_agent = ?", userID, ipAddress, userAgent).Count(&count).Error
if err != nil {
log.Printf("Failed to count audit logs: %v\n", err)
return createdAuditLog
}
// If the user hasn't logged in from the same device before, send an email
if count <= 1 {
go func() {
var user model.User
s.db.Where("id = ?", userID).First(&user)
title := "New device login with " + s.appConfigService.DbConfig.AppName.Value
err := s.emailService.Send(user.Email, title, "login-with-new-device", map[string]interface{}{
"ipAddress": ipAddress,
"device": s.DeviceStringFromUserAgent(userAgent),
"dateTimeString": createdAuditLog.CreatedAt.UTC().Format("2006-01-02 15:04:05 UTC"),
})
if err != nil {
log.Printf("Failed to send email: %v\n", err)
}
}()
}
return createdAuditLog
}
// ListAuditLogsForUser retrieves all audit logs for a given user ID
func (s *AuditLogService) ListAuditLogsForUser(userID string, page int, pageSize int) ([]model.AuditLog, utils.PaginationResponse, error) {
var logs []model.AuditLog
query := s.db.Model(&model.AuditLog{}).Where("user_id = ?", userID).Order("created_at desc")
pagination, err := utils.Paginate(page, pageSize, query, &logs)
return logs, pagination, err
}
func (s *AuditLogService) DeviceStringFromUserAgent(userAgent string) string {
ua := userAgentParser.Parse(userAgent)
return ua.Name + " on " + ua.OS + " " + ua.OSVersion
}