package fr.ekito.example.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; } }