From 6473ca8ef06d79666a9deb665f6a45cc606cdcf7 Mon Sep 17 00:00:00 2001
From: Gaetan Delannay <gaetan.delannay@gmail.com>
Date: Tue, 15 Feb 2011 15:59:55 +0100
Subject: [PATCH] appy.gen: implemented ToolMixin.performLogin (inspired from
 Plone authentication), minor bugfix while redirecting user to a page that
 must display a global status message; logged every translation deletion.

---
 gen/plone25/mixins/ToolMixin.py            | 28 +++++++++++++++++++++-
 gen/plone25/mixins/__init__.py             |  7 +++++-
 gen/plone25/wrappers/TranslationWrapper.py |  1 +
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/gen/plone25/mixins/ToolMixin.py b/gen/plone25/mixins/ToolMixin.py
index 5fea44c..cb91915 100644
--- a/gen/plone25/mixins/ToolMixin.py
+++ b/gen/plone25/mixins/ToolMixin.py
@@ -868,7 +868,33 @@ class ToolMixin(BaseMixin):
         '''Gets the translated month name of month numbered p_monthNumber.'''
         return self.translate(self.monthsIds[int(monthNumber)], domain='plone')
 
-    def logout(self):
+    def performLogin(self):
+        '''Logs the user in.'''
+        rq = self.REQUEST
+        jsEnabled = rq.get('js_enabled', False) in ('1', 1)
+        cookiesEnabled = rq.get('cookies_enabled', False) in ('1', 1)
+        urlBack = rq['HTTP_REFERER']
+
+        if jsEnabled and not cookiesEnabled:
+            msg = self.translate(u'You must enable cookies before you can ' \
+                                  'log in.', domain='plone')
+            return self.goto(urlBack, msg.encode('utf-8'))
+
+        # Perform the Zope-level authentication
+        self.acl_users.credentials_cookie_auth.login()
+        login = rq['login_name']
+        if self.portal_membership.isAnonymousUser():
+            rq.RESPONSE.expireCookie('__ac', path='/')
+            msg = self.translate(u'Login failed', domain='plone')
+            logMsg = 'Authentication failed (tried with login "%s")' % login
+        else:
+            msg = self.translate(u'Welcome! You are now logged in.',
+                                 domain='plone')
+            logMsg = 'User "%s" has been logged in.' % login
+        self.log(logMsg)
+        return self.goto(rq['HTTP_REFERER'], msg.encode('utf-8'))
+
+    def performLogout(self):
         '''Logs out the current user when he clicks on "disconnect".'''
         rq = self.REQUEST
         userId = self.portal_membership.getAuthenticatedMember().getId()
diff --git a/gen/plone25/mixins/__init__.py b/gen/plone25/mixins/__init__.py
index 1064e63..e4daf06 100644
--- a/gen/plone25/mixins/__init__.py
+++ b/gen/plone25/mixins/__init__.py
@@ -358,7 +358,12 @@ class BaseMixin:
     def goto(self, url, msg=None):
         '''Brings the user to some p_url after an action has been executed.'''
         if msg:
-            url += '?' + urllib.urlencode([('portal_status_message',msg)])
+            # Remove previous message if any
+            if 'portal_status_message=' in url:
+                url = url[:url.find('portal_status_message=')-1]
+            if '?' in url: op = '&'
+            else: op = '?'
+            url += op + urllib.urlencode([('portal_status_message',msg)])
         return self.REQUEST.RESPONSE.redirect(url)
 
     def showField(self, name, layoutType='view'):
diff --git a/gen/plone25/wrappers/TranslationWrapper.py b/gen/plone25/wrappers/TranslationWrapper.py
index fdc5792..a95f0e5 100644
--- a/gen/plone25/wrappers/TranslationWrapper.py
+++ b/gen/plone25/wrappers/TranslationWrapper.py
@@ -72,5 +72,6 @@ class TranslationWrapper(AbstractWrapper):
 
     def onDelete(self):
         # Call a custom "onDelete" if any.
+        self.log('Translation "%s" deleted by "%s".' % (self.id, self.user.id))
         return self._callCustom('onDelete')
 # ------------------------------------------------------------------------------