Properly encode Email notification headers (Fix #137)

This commit is contained in:
Max Dor
2019-04-27 16:36:55 +02:00
parent 0d42ee695a
commit a44f781495
2 changed files with 19 additions and 6 deletions

View File

@@ -31,14 +31,17 @@ import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import javax.mail.Header;
import javax.mail.Message; import javax.mail.Message;
import javax.mail.MessagingException; import javax.mail.MessagingException;
import javax.mail.Session; import javax.mail.Session;
import javax.mail.internet.InternetAddress; import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import java.io.UnsupportedEncodingException; import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.util.Date; import java.util.Date;
import java.util.Enumeration;
import java.util.Properties; import java.util.Properties;
public class EmailSmtpConnector implements EmailConnector { public class EmailSmtpConnector implements EmailConnector {
@@ -97,7 +100,16 @@ public class EmailSmtpConnector implements EmailConnector {
try { try {
InternetAddress sender = new InternetAddress(senderAddress, senderName); InternetAddress sender = new InternetAddress(senderAddress, senderName);
MimeMessage msg = new MimeMessage(session, IOUtils.toInputStream(content, StandardCharsets.UTF_8)); MimeMessage msg = new MimeMessage(session, IOUtils.toInputStream(content, StandardCharsets.UTF_8));
msg.setHeader("X-Mailer", Mxisd.Agent);
// We must encode our headers ourselves as we have no guarantee that they were in the provided data.
// This is required to support UTF-8 characters from user display names or room names in the subject header per example
Enumeration<Header> headers = msg.getAllHeaders();
while (headers.hasMoreElements()) {
Header header = headers.nextElement();
msg.setHeader(header.getName(), MimeUtility.encodeText(header.getValue()));
}
msg.setHeader("X-Mailer", MimeUtility.encodeText(Mxisd.Agent));
msg.setSentDate(new Date()); msg.setSentDate(new Date());
msg.setFrom(sender); msg.setFrom(sender);
msg.setRecipients(Message.RecipientType.TO, recipient); msg.setRecipients(Message.RecipientType.TO, recipient);

View File

@@ -60,7 +60,8 @@ public class EmailNotificationTest {
private final String user = "mxisd"; private final String user = "mxisd";
private final String notifiee = "john"; private final String notifiee = "john";
private final String sender = user + "@" + domain; private final String sender = user + "@" + domain;
private final String senderEmail = "\"Mxisd Server (Unit Test)\" <" + sender + ">"; private final String senderName = "\"Mxisd Server (Unit Test)\" <" + sender + ">";
private final String senderNameEncoded = "=?UTF-8?Q?=22Mxisd_Server_=E3=81=82_=28Unit_T?= =?UTF-8?Q?est=29=22_=3Cmxisd=40localhost=3E?= <mxisd@localhost>";
private final String target = notifiee + "@" + domain; private final String target = notifiee + "@" + domain;
private Mxisd m; private Mxisd m;
@@ -76,7 +77,7 @@ public class EmailNotificationTest {
EmailConfig eCfg = new EmailConfig(); EmailConfig eCfg = new EmailConfig();
eCfg.setConnector(EmailSmtpConnector.ID); eCfg.setConnector(EmailSmtpConnector.ID);
eCfg.getIdentity().setFrom(sender); eCfg.getIdentity().setFrom(sender);
eCfg.getIdentity().setName("Mxisd Server (Unit Test)"); eCfg.getIdentity().setName(senderName);
eCfg.getConnectors().put(EmailSmtpConnector.ID, GsonUtil.makeObj(smtpCfg)); eCfg.getConnectors().put(EmailSmtpConnector.ID, GsonUtil.makeObj(smtpCfg));
MxisdConfig cfg = new MxisdConfig(); MxisdConfig cfg = new MxisdConfig();
@@ -118,7 +119,7 @@ public class EmailNotificationTest {
assertEquals(1, gm.getReceivedMessages().length); assertEquals(1, gm.getReceivedMessages().length);
MimeMessage msg = gm.getReceivedMessages()[0]; MimeMessage msg = gm.getReceivedMessages()[0];
assertEquals(1, msg.getFrom().length); assertEquals(1, msg.getFrom().length);
assertEquals(senderEmail, msg.getFrom()[0].toString()); assertEquals(senderNameEncoded, msg.getFrom()[0].toString());
assertEquals(1, msg.getRecipients(Message.RecipientType.TO).length); assertEquals(1, msg.getRecipients(Message.RecipientType.TO).length);
} }
@@ -135,7 +136,7 @@ public class EmailNotificationTest {
assertEquals(1, gm.getReceivedMessages().length); assertEquals(1, gm.getReceivedMessages().length);
MimeMessage msg = gm.getReceivedMessages()[0]; MimeMessage msg = gm.getReceivedMessages()[0];
assertEquals(1, msg.getFrom().length); assertEquals(1, msg.getFrom().length);
assertEquals(senderEmail, msg.getFrom()[0].toString()); assertEquals(senderNameEncoded, msg.getFrom()[0].toString());
assertEquals(1, msg.getRecipients(Message.RecipientType.TO).length); assertEquals(1, msg.getRecipients(Message.RecipientType.TO).length);
// We just check on the text/plain one. HTML is multipart and it's difficult so we skip // We just check on the text/plain one. HTML is multipart and it's difficult so we skip
@@ -165,7 +166,7 @@ public class EmailNotificationTest {
assertEquals(1, gm.getReceivedMessages().length); assertEquals(1, gm.getReceivedMessages().length);
MimeMessage msg = gm.getReceivedMessages()[0]; MimeMessage msg = gm.getReceivedMessages()[0];
assertEquals(1, msg.getFrom().length); assertEquals(1, msg.getFrom().length);
assertEquals(senderEmail, msg.getFrom()[0].toString()); assertEquals(senderNameEncoded, msg.getFrom()[0].toString());
assertEquals(1, msg.getRecipients(Message.RecipientType.TO).length); assertEquals(1, msg.getRecipients(Message.RecipientType.TO).length);
// We just check on the text/plain one. HTML is multipart and it's difficult so we skip // We just check on the text/plain one. HTML is multipart and it's difficult so we skip