fix:[Process] Mail notification contains HTML tags -EXO-64330

Prior to this change, when create a request in process and user member in space mentioned in 'Who can manage the process' of the process and enabled 'For process manager - A new request has been created' notifs for mails, check received mail , this mail notification contains HTML tags. To fix this problem, remove the <p> tag that was created while typing a description. after this change, Mail notification escaped HTML tags.

processes-services/src/main/java/org/exoplatform/processes/notification/provider/MailTemplateProvider.java

@@ -24,10 +24,14 @@
 import org.exoplatform.social.core.manager.IdentityManager;
 import org.exoplatform.social.notification.LinkProviderUtils;
 import org.exoplatform.webui.utils.TimeConvertUtils;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.*;
 
 import java.io.Writer;
 import java.util.Calendar;
+import java.util.List;
 import java.util.Locale;
+import java.util.stream.Collectors;
 
 @TemplateConfigs(templates = {
     @TemplateConfig(pluginId = CreateRequestPlugin.ID, template = "war:/notification/templates/mail/CreateRequestPlugin.gtmpl"),
@@ -65,7 +69,7 @@ protected MessageInfo makeMessage(NotificationContext notificationContext) {
         String processTitle = notificationInfo.getValueOwnerParameter(NotificationArguments.REQUEST_PROCESS.getKey());
         templateContext.put("PROCESS_TITLE", encoder.encode(processTitle));
         templateContext.put("REQUEST_TITLE", encoder.encode(requestTitle));
-        templateContext.put("REQUEST_DESCRIPTION", encoder.encode(requestDescription));
+        templateContext.put("REQUEST_DESCRIPTION",encodeTextInsideHtmlTags(encoder, requestDescription));
       }
       templateContext.put("PROCESS_URL", encoder.encode(processUrl));
       templateContext.put("REQUEST_URL", encoder.encode(requestUrl));
@@ -146,4 +150,26 @@ private void buildCommonTemplateParams(TemplateContext templateContext,
     // Footer
     templateContext.put("FOOTER_LINK", LinkProviderUtils.getRedirectUrl("notification_settings", receiver.getRemoteId()));
   }
+
+  private String encodeTextInsideHtmlTags(HTMLEntityEncoder encoder, String requestDescription) {
+    Document doc = Jsoup.parse(requestDescription);
+    encodeText(encoder ,doc);
+    List<Element> list = doc.body().children();
+    return list.stream()
+            .map(Element::outerHtml)
+            .collect(Collectors.joining());
+  }
+
+  private void encodeText(HTMLEntityEncoder encoder, Document doc) {
+    for (int i = 0; i < doc.childNodes().size(); i++) {
+      Node child = doc.childNodes().get(i);
+      if (child instanceof TextNode) {
+        String encodedText = encoder.encode(((TextNode) child).text());
+        TextNode newTextNode = new TextNode(encodedText);
+        doc.childNodes().set(i, newTextNode);
+      } else if (child instanceof Document) {
+        encodeText(encoder, (Document) child);
+      }
+    }
+  }
 }