OPENOLAT-265: Send email on every RedScreen including user name and business path

src/main/java/org/olat/core/gui/exception/ExceptionWindowController.java

@@ -30,6 +30,7 @@ package org.olat.core.gui.exception;
 import java.util.Date;
 import java.util.List;
 
+import org.olat.basesecurity.BaseSecurity;
 import org.olat.basesecurity.BaseSecurityModule;
 import org.olat.core.CoreSpringFactory;
 import org.olat.core.gui.UserRequest;
@@ -62,6 +63,8 @@ import org.olat.core.util.UserSession;
 import org.olat.core.util.Util;
 import org.olat.core.util.WebappHelper;
 import org.olat.core.util.i18n.I18nManager;
+import org.olat.core.util.mail.MailBundle;
+import org.olat.core.util.mail.MailManager;
 
 /**
  * Description: <br>
@@ -235,6 +238,35 @@ public class ExceptionWindowController extends DefaultChiefController {
 
 		w.setContentPane(msg);
 		setWindow(w);
+		
+		// send email to support address
+		try {
+			// if null, user may crashed before getting a valid session, try with
+			// guest user instead
+			if (curIdent == null) {
+				BaseSecurity im = CoreSpringFactory.getImpl(BaseSecurity.class);
+				curIdent = im.findIdentityByName("guest");
+			}
+			
+			MailBundle bundle = new MailBundle();
+			bundle.setFromId(curIdent);
+			bundle.setTo(WebappHelper.getMailConfig("mailError"));
+			bundle.setContent(
+					"**RedScreen** Nr.: " + Settings.getNodeInfo() + "-E" + refNum, 
+					"**RedScreen** " + o3e.getLogMsg() + "\n" + 
+					formatter.formatDateAndTime(new Date()) + "\n" +
+					"Username: " + curIdent.getName() + "\n" +
+					"Stacktrace:\n" + 
+					OLATRuntimeException.throwableToHtml(th).replaceAll("<br />", "\n") + "\n\n" + 
+					"ListenerInfo\n" + 
+					componentListenerInfo + "\n" +
+					"Last businesspath: " + msg.contextGet("lastbusinesspath") + "\n" +
+					"Prev businesspath: " + msg.contextGet("prevbusinesspath") + "\n"
+			);
+			CoreSpringFactory.getImpl(MailManager.class).sendExternMessage(bundle, null, false);
+		} catch (Exception e) {
+			log.error("Failed to send RedScreen-data via mail", e);
+		}
 	}
 
 	@Override