slapos_rss_style: Do not workaround security

   Revert inclusion Base_getNodeTitleAndDate and use checked_permission to only get title if the user is allowed to see the document.

   Author is optional so keep empty isn't a problem.

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Base_getEventList.py

@@ -48,19 +48,19 @@ for brain in portal.portal_simulation.getMovementHistoryList(
              ('uid', 'desc')),
     **context_kw):
   event = brain.getObject()
+
   (ticket_title,
    ticket_category,
    ticket_link) = getTicketInfo(event)
 
-  author, date = event.Base_getNodeTitleAndDate(brain)
   data_list.append(
       Object(**{
         'title': ticket_title,
         'category': ticket_category,
-        'author': author,
+        'author': event.getSourceTitle(checked_permission="View"),
         'link': ticket_link,
         'description': event.getTextContent(),
-        'pubDate': date,
+        'pubDate': event.getStartDate(),
         'guid': '{}-{}'.format(
                   event.getFollowUp(),
                   event.getRelativeUrl()),

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Base_getNodeTitleAndDate.py

-""" Workarround security to extract the sender information,
- w/o raise security.
-"""
-return brain.node_title, brain.date

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Base_getNodeTitleAndDate.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>Script_magic</string> </key>
-            <value> <int>3</int> </value>
-        </item>
-        <item>
-            <key> <string>_bind_names</string> </key>
-            <value>
-              <object>
-                <klass>
-                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
-                </klass>
-                <tuple/>
-                <state>
-                  <dictionary>
-                    <item>
-                        <key> <string>_asgns</string> </key>
-                        <value>
-                          <dictionary>
-                            <item>
-                                <key> <string>name_container</string> </key>
-                                <value> <string>container</string> </value>
-                            </item>
-                            <item>
-                                <key> <string>name_context</string> </key>
-                                <value> <string>context</string> </value>
-                            </item>
-                            <item>
-                                <key> <string>name_m_self</string> </key>
-                                <value> <string>script</string> </value>
-                            </item>
-                            <item>
-                                <key> <string>name_subpath</string> </key>
-                                <value> <string>traverse_subpath</string> </value>
-                            </item>
-                          </dictionary>
-                        </value>
-                    </item>
-                  </dictionary>
-                </state>
-              </object>
-            </value>
-        </item>
-        <item>
-            <key> <string>_params</string> </key>
-            <value> <string>brain</string> </value>
-        </item>
-        <item>
-            <key> <string>_proxy_roles</string> </key>
-            <value>
-              <tuple>
-                <string>Manager</string>
-              </tuple>
-            </value>
-        </item>
-        <item>
-            <key> <string>id</string> </key>
-            <value> <string>Base_getNodeTitleAndDate</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>