CVS: Products/PluggableAuthService - PluggableAuthService.py:1.29.2.1.2.1 __init__.py:1.6.4.1

Update of /cvs-repository/Products/PluggableAuthService
In directory cvs.zope.org:/tmp/cvs-serv7291

Modified Files:
      Tag: sidnei-challenge-protocol-chooser
	PluggableAuthService.py __init__.py 
Log Message:

- Implement Challenge Protocol Chooser, with functional doctests


=== Products/PluggableAuthService/PluggableAuthService.py 1.29.2.1 => 1.29.2.1.2.1 ===
--- Products/PluggableAuthService/PluggableAuthService.py:1.29.2.1	Wed Feb 23 09:57:59 2005
+++ Products/PluggableAuthService/PluggableAuthService.py	Sat Aug 13 00:34:32 2005
@@ -65,6 +65,8 @@
 from interfaces.plugins import IGroupEnumerationPlugin
 from interfaces.plugins import IRoleEnumerationPlugin
 from interfaces.plugins import IRoleAssignerPlugin
+from interfaces.plugins import IChallengeProtocolChooser
+from interfaces.plugins import IRequestTypeSniffer
 
 from permissions import SearchPrincipals
 
@@ -989,8 +991,19 @@
             resp._has_challenged = True
 
     def challenge(self, request, response):
-        # Go through all challenge plugins
         plugins = self._getOb('plugins')
+
+        # Find valid protocols for this request type
+        valid_protocols = []
+        choosers = plugins.listPlugins( IChallengeProtocolChooser )
+
+        for chooser_id, chooser in choosers:
+            choosen = chooser.chooseProtocols(request)
+            if choosen is None:
+                continue
+            valid_protocols.extend(choosen)
+
+        # Go through all challenge plugins
         challengers = plugins.listPlugins( IChallengePlugin )
 
         protocol = None
@@ -998,6 +1011,9 @@
         for challenger_id, challenger in challengers:
             challenger_protocol = getattr(challenger, 'protocol',
                                           challenger_id)
+            if valid_protocols and challenger_protocol not in valid_protocols:
+                # Skip invalid protocol for this request type.
+                continue
             if protocol is None or protocol == challenger_protocol:
                 if challenger.challenge(request, response):
                     protocol = challenger_protocol
@@ -1171,6 +1187,17 @@
     , 'role_assigner'
     , "Role Assigner plugins allow the Pluggable Auth Service to assign"
       " roles to principals."
+    )
+  , ( IChallengeProtocolChooser
+    , 'IChallengeProtocolChooser'
+    , 'challenge_protocol_chooser'
+    , "Challenge Protocol Chooser plugins decide what authorization"
+      "protocol to use for a given request type."
+    )
+  , ( IRequestTypeSniffer
+    , 'IRequestTypeSniffer'
+    , 'request_type_sniffer'
+    , "Request Type Sniffer plugins detect the type of an incoming request."
     )
   )
 


=== Products/PluggableAuthService/__init__.py 1.6 => 1.6.4.1 ===
--- Products/PluggableAuthService/__init__.py:1.6	Thu Jan 27 14:00:22 2005
+++ Products/PluggableAuthService/__init__.py	Sat Aug 13 00:34:32 2005
@@ -43,6 +43,8 @@
 from plugins import SearchPrincipalsPlugin as SPP
 from plugins import RecursiveGroupsPlugin as RGP
 from plugins import DynamicGroupsPlugin as DGP
+from plugins import ChallengeProtocolChooser as CPC
+from plugins import RequestTypeSniffer as RTS
 
 registerMultiPlugin(HBAH.HTTPBasicAuthHelper.meta_type)
 registerMultiPlugin(IAH.InlineAuthHelper.meta_type)
@@ -58,6 +60,8 @@
 registerMultiPlugin(SPP.SearchPrincipalsPlugin.meta_type)
 registerMultiPlugin(RGP.RecursiveGroupsPlugin.meta_type)
 registerMultiPlugin(DGP.DynamicGroupsPlugin.meta_type)
+registerMultiPlugin(CPC.ChallengeProtocolChooser.meta_type)
+registerMultiPlugin(RTS.RequestTypeSniffer.meta_type)
 
 # monkey patch Zope to cause zmi logout to be PAS-aware
 from App.Management import Navigation
@@ -224,4 +228,22 @@
                             DGP.addDynamicGroupsPlugin, )
                          , visibility=None
                          , icon='plugins/www/DynamicGroupsPlugin.png'
+                         )
+
+    context.registerClass( CPC.ChallengeProtocolChooser
+                         , permission=ManageUsers
+                         , constructors=(
+                            CPC.manage_addChallengeProtocolChooserForm,
+                            CPC.addChallengeProtocolChooserPlugin, )
+                         , visibility=None
+                         , icon='plugins/www/DelegatingMultiPlugin.png'
+                         )
+
+    context.registerClass( RTS.RequestTypeSniffer
+                         , permission=ManageUsers
+                         , constructors=(
+                            RTS.manage_addRequestTypeSnifferForm,
+                            RTS.addRequestTypeSnifferPlugin, )
+                         , visibility=None
+                         , icon='plugins/www/DelegatingMultiPlugin.png'
                          )

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