public EmailViewModel(EmailOptions emailOptions, INotifyModelChangedEventPublisher eventPublisher, IShellExecuteProvider shellExecuteProvider, IProtectedSecretProvider secretProvider, AdminNotificationOptions adminNotificationOptions)
{
this.shellExecuteProvider = shellExecuteProvider;
this.secretProvider = secretProvider;
this.adminNotificationOptions = adminNotificationOptions;
this.emailOptions = emailOptions;
this.DisplayName = "Email";
eventPublisher.Register(this);
}
public async Task Execute(IJobExecutionContext context)
{
try
{
AdminNotificationOptions emailOptions = this.adminNotificationOptions.CurrentValue;
if (!emailOptions.EnableNewVersionAlerts || string.IsNullOrWhiteSpace(emailOptions.AdminAlertRecipients))
{
return;
}
if (!this.smtpProvider.IsConfigured)
{
return;
}
var versionInfo = await this.appUpgradeProvider.GetVersionInfo();
if (versionInfo.Status != VersionInfoStatus.UpdateAvailable)
{
return;
}
if (this.registryProvider.LastNotifiedVersion == versionInfo.AvailableVersion.ToString())
{
return;
}
this.registryProvider.LastNotifiedVersion = versionInfo.AvailableVersion.ToString();
this.Send(versionInfo, emailOptions.AdminAlertRecipients);
}
catch (Exception ex)
{
logger.LogWarning(EventIDs.NewVersionCheckJobFailed, ex, "Could not get version update");
}
}
public Task Execute(IJobExecutionContext context)
{
try
{
AdminNotificationOptions emailOptions = this.adminNotificationOptions.CurrentValue;
if (!emailOptions.EnableCertificateExpiryAlerts || string.IsNullOrWhiteSpace(emailOptions.AdminAlertRecipients))
{
return(Task.CompletedTask);
}
if (!this.smtpProvider.IsConfigured)
{
return(Task.CompletedTask);
}
var cert = this.httpSysConfigProvider.GetCertificate();
if (cert == null)
{
return(Task.CompletedTask);
}
bool hasExpired = DateTime.Now > cert.NotAfter;
int daysRemaining = (int)Math.Ceiling(cert.NotAfter.Subtract(DateTime.Now).TotalDays);
if (daysRemaining > 30)
{
return(Task.CompletedTask);
}
string durationKey;
if (daysRemaining <= 0)
{
durationKey = "0";
}
else if (daysRemaining <= 1)
{
durationKey = "1";
}
else if (daysRemaining <= 7)
{
durationKey = "7";
}
else
{
durationKey = "30";
}
string certKey = $"{cert.Thumbprint}-{durationKey}".ToLower();
if (this.registryProvider.LastNotifiedCertificateKey == certKey)
{
return(Task.CompletedTask);
}
this.registryProvider.LastNotifiedCertificateKey = certKey;
this.Send(cert, emailOptions.AdminAlertRecipients, hasExpired, daysRemaining);
}
catch (Exception ex)
{
logger.LogWarning(EventIDs.CertificateExpiryCheckJobFailed, ex, "Certificate expiry check failed");
}
return(Task.CompletedTask);
}
