Tweaked EmailSender, fixed SSL prop in console + added option for StartTLS

admin-ui/src/main/resources/META-INF/resources/admin/partials/realm-smtp.html

@@ -43,7 +43,7 @@
                         <div class="form-group clearfix">
                             <label for="smtpSSL" class="control-label">Enable SSL</label>
                             <div class="onoffswitch">
-                                <input type="checkbox" data-ng-model="realm.smtpServer.ssl.enable" class="onoffswitch-checkbox" name="smtpSSL" id="smtpSSL">
+                                <input type="checkbox" data-ng-model="realm.smtpServer.ssl" class="onoffswitch-checkbox" name="smtpSSL" id="smtpSSL">
                                 <label for="smtpSSL" class="onoffswitch-label">
                                         <span class="onoffswitch-inner">
                                             <span class="onoffswitch-active">ON</span>
@@ -53,6 +53,19 @@
                                 </label>
                             </div>
                         </div>
+                        <div class="form-group clearfix">
+                            <label for="smtpStartTLS" class="control-label">Enable StartTLS</label>
+                            <div class="onoffswitch">
+                                <input type="checkbox" data-ng-model="realm.smtpServer.starttls" class="onoffswitch-checkbox" name="smtpStartTLS" id="smtpStartTLS">
+                                <label for="smtpStartTLS" class="onoffswitch-label">
+                                        <span class="onoffswitch-inner">
+                                            <span class="onoffswitch-active">ON</span>
+                                            <span class="onoffswitch-inactive">OFF</span>
+                                        </span>
+                                    <span class="onoffswitch-switch"></span>
+                                </label>
+                            </div>
+                        </div>
                     </fieldset>
                     <fieldset>
                         <legend collapsed><span class="text">Authentication</span></legend>

services/src/main/java/org/keycloak/services/email/EmailSender.java

@@ -51,26 +51,53 @@ public class EmailSender {
 
     private static final Logger log = Logger.getLogger(EmailSender.class);
 
-    private Properties properties;
+    private Map<String, String> config;
 
     public EmailSender(Map<String, String> config) {
-        properties = new Properties();
+        this.config = config;
-        for (Entry<String, String> e : config.entrySet()) {
-            properties.put("mail.smtp." + e.getKey(), e.getValue());
-        }
     }
 
     public void send(String address, String subject, String body) throws MessagingException {
-        Session session = Session.getInstance(properties);
+        Properties props = new Properties();
+        props.setProperty("mail.smtp.host", config.get("host"));
+
+        boolean auth = "true".equals(config.get("auth"));
+        boolean ssl = "true".equals(config.get("ssl"));
+        boolean starttls = "true".equals(config.get("starttls"));
+
+        if (config.containsKey("port")) {
+            props.setProperty("mail.smtp.port", config.get("port"));
+        }
+
+        if (auth) {
+            props.put("mail.smtp.auth", "true");
+        }
+
+        if (ssl) {
+            props.put("mail.smtp.socketFactory.port", config.get("port"));
+            props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
+        }
+
+        if (starttls) {
+            props.put("mail.smtp.starttls.enable", "true");
+        }
+
+        String from = config.get("from");
+
+        Session session = Session.getInstance(props);
 
         Message msg = new MimeMessage(session);
-        msg.setFrom(new InternetAddress(properties.getProperty("mail.smtp.from")));
+        msg.setFrom(new InternetAddress(from));
         msg.setSubject(subject);
         msg.setText(body);
         msg.saveChanges();
 
         Transport transport = session.getTransport("smtp");
-        transport.connect(properties.getProperty("mail.smtp.user"), properties.getProperty("mail.smtp.password"));
+        if (auth) {
+            transport.connect(config.get("user"), config.get("password"));
+        } else {
+            transport.connect();
+        }
         transport.sendMessage(msg, new InternetAddress[] { new InternetAddress(address) });
     }
 

services/src/test/java/org/keycloak/services/email/EmailSenderTest.java

@@ -70,4 +70,36 @@ public class EmailSenderTest {
         Assert.assertEquals("Test body", ((String) msg.getContent()).trim());
     }
 
+    @Test
+    public void googleTTLS() throws MessagingException, IOException {
+        HashMap<String,String> config = new HashMap<String, String>();
+        config.put("from", "stianst@gmail.com");
+        config.put("host", "smtp.gmail.com");
+        config.put("port", "587");
+        config.put("auth", "true");
+        config.put("user", "stianst@gmail.com");
+        config.put("password", "ahqsbktqbfhwmhrw");
+        config.put("starttls", "true");
+
+        emailSender = new EmailSender(config);
+
+        emailSender.send("stianst@gmail.com", "TTLS " + System.currentTimeMillis(), "Test body");
+    }
+
+    @Test
+    public void googleSSL() throws MessagingException, IOException {
+        HashMap<String,String> config = new HashMap<String, String>();
+        config.put("from", "stianst@gmail.com");
+        config.put("host", "smtp.gmail.com");
+        config.put("port", "465");
+        config.put("auth", "true");
+        config.put("user", "stianst@gmail.com");
+        config.put("password", "ahqsbktqbfhwmhrw");
+        config.put("ssl", "true");
+
+        emailSender = new EmailSender(config);
+
+        emailSender.send("stianst@gmail.com", "SSL " + System.currentTimeMillis(), "Test body");
+    }
+
 }