Log message for revision 76731:
          DAV: litmus' cond_put_corrupt_token test (#18) exposed a bug
          in webdav.Resource.dav__simpleifhandler.  If the resource is
          locked at all, and a DAV request contains an If header, and
          none of the lock tokens present in the header match a lock on
          the resource, we need to return a 423 Locked instead of 204 No
          Content.
  
  

Changed:
  U   Zope/trunk/doc/CHANGES.txt
  U   Zope/trunk/lib/python/webdav/Resource.py
  U   Zope/trunk/lib/python/webdav/tests/testResource.py

-=-
Modified: Zope/trunk/doc/CHANGES.txt
===================================================================
--- Zope/trunk/doc/CHANGES.txt  2007-06-17 14:08:57 UTC (rev 76730)
+++ Zope/trunk/doc/CHANGES.txt  2007-06-17 15:01:29 UTC (rev 76731)
@@ -97,6 +97,13 @@
 
     Bugs Fixed
 
+      - DAV: litmus' cond_put_corrupt_token test (#18) exposed a bug
+        in webdav.Resource.dav__simpleifhandler.  If the resource is
+        locked at all, and a DAV request contains an If header, and
+        none of the lock tokens present in the header match a lock on
+        the resource, we need to return a 423 Locked instead of 204 No
+        Content.
+
       - DAV: litmus "notowner_modify" tests warn during a MOVE request
         because we returned "412 Precondition Failed" instead of "423
         Locked" when the resource attempting to be moved was itself

Modified: Zope/trunk/lib/python/webdav/Resource.py
===================================================================
--- Zope/trunk/lib/python/webdav/Resource.py    2007-06-17 14:08:57 UTC (rev 
76730)
+++ Zope/trunk/lib/python/webdav/Resource.py    2007-06-17 15:01:29 UTC (rev 
76731)
@@ -157,14 +157,13 @@
                     for token in wehave: self.wl_getLock(token).refresh()
                 found = 1; break
 
-        if resourcetagged and (not found):
-            raise PreconditionFailed, 'Condition failed.'
-        elif resourcetagged and found:
+        if resourcetagged and found:
             return 1
-        else:
-            return 0
+        if (not resourcetagged) and (not found):
+            raise Locked('Resource locked and no recognized lock tokens in '
+                         'If header')
+        raise PreconditionFailed('Condition failed')
 
-
     # WebDAV class 1 support
     security.declareProtected(View, 'HEAD')
     def HEAD(self, REQUEST, RESPONSE):

Modified: Zope/trunk/lib/python/webdav/tests/testResource.py
===================================================================
--- Zope/trunk/lib/python/webdav/tests/testResource.py  2007-06-17 14:08:57 UTC 
(rev 76730)
+++ Zope/trunk/lib/python/webdav/tests/testResource.py  2007-06-17 15:01:29 UTC 
(rev 76731)
@@ -35,6 +35,13 @@
         verifyClass(IWriteLock, Resource)
 
     def test_MOVE_self_locked(self):
+        """
+        DAV: litmus"notowner_modify" tests warn during a MOVE request
+        because we returned "412 Precondition Failed" instead of "423
+        Locked" when the resource attempting to be moved was itself
+        locked.  Fixed by changing Resource.Resource.MOVE to raise the
+        correct error.
+        """
         app = self.app
         request = DummyRequest({}, {})
         response = DummyResponse()
@@ -49,6 +56,27 @@
         from webdav.common import Locked
         self.assertRaises(Locked, inst.MOVE, request, response)
 
+    def test_dav__simpleifhandler_cond_put_corrupt_token(self):
+        """
+        DAV: litmus' cond_put_corrupt_token test (#18) exposed a bug
+        in webdav.Resource.dav__simpleifhandler.  If the resource is
+        locked at all, and a DAV request contains an If header, and
+        none of the lock tokens present in the header match a lock on
+        the resource, we need to return a 423 Locked instead of 204 No
+        Content.
+        """
+        ifhdr = 'If: (<locktoken:foo>) (Not <DAV:no-lock>)'
+        request = DummyRequest({'URL':'http://example.com/foo/PUT'},
+                               {'If':ifhdr})
+        response = DummyResponse()
+        inst = self._makeOne()
+        inst._dav_writelocks = {'a':DummyLock()}
+        from zope.interface import directlyProvides
+        from webdav.interfaces import IWriteLock
+        directlyProvides(inst, IWriteLock)
+        from webdav.common import Locked
+        self.assertRaises(Locked, inst.dav__simpleifhandler, request, response)
+
 class DummyLock:
     def isValid(self):
         return True
@@ -77,6 +105,9 @@
     def get(self, name, default):
         return self.form.get(name, default)
 
+    def __getitem__(self, name):
+        return self.form[name]
+
     def physicalPathFromURL(self, *arg):
         return ['']
 

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