- Add logout page and route that directs users to click the New Ident…

…ity button in Tor browser to complete their session, if they were logged in, else redirectst to main source interface page.

- Remove logout_flashed message since we redirect to a new page now.

- Update functional tests to include _is_on_logout_page method and replace test_logout_flashed_message with test_logout screenshot in testsourcelayout

securedrop/source_app/main.py

@@ -296,16 +296,21 @@ def login():
 
     @view.route('/logout')
     def logout():
+        """
+        If a user is logged in, show them a logout page that prompts them to
+        click the New Identity button in Tor Browser to complete their session.
+        Otherwise redirect to the main Source Interface page.
+        """
         if logged_in():
-            msg = render_template('logout_flashed_message.html')
 
             # Clear the session after we render the message so it's localized
             # If a user specified a locale, save it and restore it
             user_locale = g.locale
             session.clear()
             session['locale'] = user_locale
 
-            flash(Markup(msg), "important hide-if-not-tor-browser")
-        return redirect(url_for('.index'))
+            return render_template('logout.html')
+        else:
+            return redirect(url_for('.index'))
 
     return view

securedrop/source_templates/logout.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+{% block body %}
+<h1>{{ gettext('One more thing....') }}</h1>
+<br><p id="click-new-identity-tor"> {{ gettext('Click the <img src={icon} alt="broom icon" width="16" height="16">&nbsp;<strong>New Identity</strong> button in your Tor browser\'s toolbar. This will clear your Tor browser activity data on this device.').format(icon=url_for('static', filename='i/torbroom-black.png'))  }}</p>
+{% endblock %}

securedrop/source_templates/session_timeout.html

@@ -3,6 +3,7 @@
     <img src="{{ url_for('static', filename='i/hand_with_fingerprint.png') }}">
   </div>
   <div class="message"><strong>{{ gettext('Important!') }}</strong><br>
-  <p>{{ gettext('Your session timed out due to inactivity. Please login again if you want to continue using SecureDrop, or select "New Identity" from the onion button in the Tor browser\'s toolbar to clear all history of your SecureDrop usage from this device. If you are not using Tor Browser, restart your browser.') }}</p>
+    <img id="new-identity" src="{{ url_for('static', filename='i/torbroom-black.png') }}" width="16" height="16" >
+  <p> {{ gettext('You were logged out due to inactivity. Click the <img src={icon} alt="broom icon" width="16" height="16">&nbsp;<strong>New Identity</strong> button in your Tor browser\'s toolbar. This will clear your Tor browser activity data on this device.').format(icon=url_for('static', filename='i/torbroom-black.png'))  }}</p>
   </div>
 </div>

securedrop/tests/functional/source_navigation_steps.py

@@ -19,6 +19,9 @@ def _is_on_lookup_page(self):
     def _is_on_generate_page(self):
         return self.wait_for(lambda: self.driver.find_element_by_id("create-form"))
 
+    def _is_on_logout_page(self):
+        return self.wait_for(lambda: self.driver.find_element_by_id("click-new-identity-tor"))
+
     def _source_visits_source_homepage(self):
         self.driver.get(self.source_location)
         assert self._is_on_source_homepage()
@@ -195,7 +198,7 @@ def reply_deleted():
 
     def _source_logs_out(self):
         self.safe_click_by_id("logout")
-        self.wait_for(lambda: ("Submit for the first time" in self.driver.page_source))
+        assert self._is_on_logout_page()
 
     def _source_not_found(self):
         self.driver.get(self.source_location + "/unlikely")
@@ -218,7 +221,7 @@ def _source_sees_session_timeout_message(self):
         notification = self.driver.find_element_by_css_selector(".important")
 
         if not hasattr(self, "accept_languages"):
-            expected_text = "Your session timed out due to inactivity."
+            expected_text = "You were logged out due to inactivity."
             assert expected_text in notification.text
 
     def _source_sees_document_attachment_item(self):

securedrop/tests/pageslayout/test_source.py

@@ -153,11 +153,11 @@ def test_index(self):
         self._source_visits_source_homepage()
         self._screenshot('source-index.png')
 
-    def test_logout_flashed_message(self):
+    def test_logout(self):
         self.disable_js_torbrowser_driver()
         self._source_visits_source_homepage()
         self._source_chooses_to_submit_documents()
         self._source_continues_to_submit_page()
         self._source_submits_a_file()
         self._source_logs_out()
-        self._screenshot('source-logout_flashed_message.png')
+        self._screenshot('source-logout_page.png')

securedrop/tests/test_source.py

@@ -251,7 +251,10 @@ def test_login_and_logout(source_app):
         assert 'logged_in' not in session
         assert 'codename' not in session
         text = resp.data.decode('utf-8')
-        assert 'Thank you for exiting your session!' in text
+
+        # This is part of the logout page message instructing users
+        # to click the 'new identity' icon
+        assert 'This will clear your Tor browser activity data on this device' in text
 
 
 def test_user_must_log_in_for_protected_views(source_app):
@@ -706,7 +709,7 @@ def test_source_session_expiration(config, source_app):
         assert not session
 
         text = resp.data.decode('utf-8')
-        assert 'Your session timed out due to inactivity' in text
+        assert 'You were logged out due to inactivity' in text
 
 
 def test_source_session_expiration_create(config, source_app):
@@ -731,7 +734,7 @@ def test_source_session_expiration_create(config, source_app):
         assert not session
 
         text = resp.data.decode('utf-8')
-        assert 'Your session timed out due to inactivity' in text
+        assert 'You were logged out due to inactivity' in text
 
 
 def test_csrf_error_page(config, source_app):
@@ -743,7 +746,7 @@ def test_csrf_error_page(config, source_app):
 
         resp = app.post(url_for('main.create'), follow_redirects=True)
         text = resp.data.decode('utf-8')
-        assert 'Your session timed out due to inactivity' in text
+        assert 'You were logged out due to inactivity' in text
 
 
 def test_source_can_only_delete_own_replies(source_app):