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using Microsoft.Extensions.Options;
namespace IOL.GreatOffice.Api.Services;
public class MailService
{
private readonly ILogger<MailService> _logger;
private static string _emailHost;
private static int _emailPort;
private static string _emailUser;
private static string _emailPassword;
/// <summary>
/// Provides methods to send email.
/// </summary>
/// <param name="configuration"></param>
/// <param name="logger"></param>
public MailService(VaultService vaultService, ILogger<MailService> logger) {
var configuration = vaultService.GetCurrentAppConfiguration();
_logger = logger;
_emailHost = configuration.SMTP_HOST;
_emailPort = Convert.ToInt32(configuration.SMTP_PORT);
_emailUser = configuration.SMTP_USER;
_emailPassword = configuration.SMTP_PASSWORD;
}
/// <summary>
/// Send an email.
/// </summary>
/// <param name="message"></param>
public void SendMail(MailMessage message) {
using var smtpClient = new SmtpClient {
Host = _emailHost,
EnableSsl = _emailPort == 587,
Port = _emailPort,
Credentials = new NetworkCredential {
UserName = _emailUser,
Password = _emailPassword,
}
};
var configurationString = JsonSerializer.Serialize(new {
Host = smtpClient.Host,
EnableSsl = smtpClient.EnableSsl,
Port = smtpClient.Port,
UserName = _emailUser.HasValue() ? "**REDACTED**" : "**MISSING**",
Password = _emailPassword.HasValue() ? "**REDACTED**" : "**MISSING**",
},
new JsonSerializerOptions {
WriteIndented = true
});
_logger.LogDebug("SmtpClient was instansiated with the following configuration\n" + configurationString);
smtpClient.Send(message);
}
}
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