package <%=packageName%>.config;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.bind.RelaxedPropertyResolver;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import java.util.Properties;
@Configuration
public class MailConfiguration implements EnvironmentAware {
private static final String ENV_SPRING_MAIL = "spring.mail.";
private static final String DEFAULT_HOST = "127.0.0.1";
private static final String PROP_HOST = "host";
private static final String DEFAULT_PROP_HOST = "localhost";
private static final String PROP_PORT = "port";
private static final String PROP_USER = "user";
private static final String PROP_PASSWORD = "password";
private static final String PROP_PROTO = "protocol";
private static final String PROP_TLS = "tls";
private static final String PROP_AUTH = "auth";
private static final String PROP_SMTP_AUTH = "mail.smtp.auth";
private static final String PROP_STARTTLS = "mail.smtp.starttls.enable";
private static final String PROP_TRANSPORT_PROTO = "mail.transport.protocol";
private final Logger log = LoggerFactory.getLogger(MailConfiguration.class);
private RelaxedPropertyResolver propertyResolver;
@Override
public void setEnvironment(Environment environment) {
this.propertyResolver = new RelaxedPropertyResolver(environment, ENV_SPRING_MAIL);
}
@Bean
public JavaMailSenderImpl javaMailSender() {
log.debug("Configuring mail server");
String host = propertyResolver.getProperty(PROP_HOST, DEFAULT_PROP_HOST);
int port = propertyResolver.getProperty(PROP_PORT, Integer.class, 0);
String user = propertyResolver.getProperty(PROP_USER);
String password = propertyResolver.getProperty(PROP_PASSWORD);
String protocol = propertyResolver.getProperty(PROP_PROTO);
Boolean tls = propertyResolver.getProperty(PROP_TLS, Boolean.class, false);
Boolean auth = propertyResolver.getProperty(PROP_AUTH, Boolean.class, false);
JavaMailSenderImpl sender = new JavaMailSenderImpl();
if (host != null && !host.isEmpty()) {
sender.setHost(host);
} else {
log.warn("Warning! Your SMTP server is not configured. We will try to use one on localhost.");
log.debug("Did you configure your SMTP settings in your application.yml?");
sender.setHost(DEFAULT_HOST);
}
sender.setPort(port);
sender.setUsername(user);
sender.setPassword(password);
Properties sendProperties = new Properties();
sendProperties.setProperty(PROP_SMTP_AUTH, auth.toString());
sendProperties.setProperty(PROP_STARTTLS, tls.toString());
sendProperties.setProperty(PROP_TRANSPORT_PROTO, protocol);
sender.setJavaMailProperties(sendProperties);
return sender;
}
}