Move in the code from Zope.

Based on d1536a5.

src/webdav/Collection.py

@@ -0,0 +1,146 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""WebDAV support - collection objects.
+"""
+
+from urllib import unquote
+
+from AccessControl.class_init import InitializeClass
+from AccessControl.SecurityManagement import getSecurityManager
+from App.Common import rfc1123_date
+from OFS.Lockable import wl_isLocked
+from zExceptions import MethodNotAllowed
+from zExceptions import NotFound
+from zope.interface import implements
+
+from webdav.common import Locked
+from webdav.common import PreconditionFailed
+from webdav.common import urlfix
+from webdav.interfaces import IDAVCollection
+from webdav.Resource import Resource
+
+
+class Collection(Resource):
+
+    """The Collection class provides basic WebDAV support for
+    collection objects. It provides default implementations
+    for all supported WebDAV HTTP methods. The behaviors of some
+    WebDAV HTTP methods for collections are slightly different
+    than those for non-collection resources."""
+
+    implements(IDAVCollection)
+
+    __dav_collection__=1
+
+    def dav__init(self, request, response):
+        # We are allowed to accept a url w/o a trailing slash
+        # for a collection, but are supposed to provide a
+        # hint to the client that it should be using one.
+        # [WebDAV, 5.2]
+        pathinfo=request.get('PATH_INFO','')
+        if pathinfo and pathinfo[-1] != '/':
+            location='%s/' % request['URL1']
+            response.setHeader('Content-Location', location)
+        response.setHeader('Connection', 'close', 1)
+        response.setHeader('Date', rfc1123_date(), 1)
+
+    def HEAD(self, REQUEST, RESPONSE):
+        """Retrieve resource information without a response body."""
+        self.dav__init(REQUEST, RESPONSE)
+        # Note that we are willing to acquire the default document
+        # here because what we really care about is whether doing
+        # a GET on this collection / would yield a 200 response.
+        if hasattr(self, 'index_html'):
+            if hasattr(self.index_html, 'HEAD'):
+                return self.index_html.HEAD(REQUEST, RESPONSE)
+            raise MethodNotAllowed, (
+                  'Method not supported for this resource.'
+                  )
+        raise NotFound, 'The requested resource does not exist.'
+
+    def PUT(self, REQUEST, RESPONSE):
+        """The PUT method has no inherent meaning for collection
+        resources, though collections are not specifically forbidden
+        to handle PUT requests. The default response to a PUT request
+        for collections is 405 (Method Not Allowed)."""
+        self.dav__init(REQUEST, RESPONSE)
+        raise MethodNotAllowed, 'Method not supported for collections.'
+
+    def DELETE(self, REQUEST, RESPONSE):
+        """Delete a collection resource. For collection resources, DELETE
+        may return either 200 (OK) or 204 (No Content) to indicate total
+        success, or may return 207 (Multistatus) to indicate partial
+        success. Note that in Zope a DELETE currently never returns 207."""
+
+        from webdav.davcmds import DeleteCollection
+
+        self.dav__init(REQUEST, RESPONSE)
+        ifhdr = REQUEST.get_header('If', '')
+        url = urlfix(REQUEST['URL'], 'DELETE')
+        name = unquote(filter(None, url.split( '/'))[-1])
+        parent = self.aq_parent
+        sm = getSecurityManager()
+        token = None
+
+#        if re.match("/Control_Panel",REQUEST['PATH_INFO']):
+#            RESPONSE.setStatus(403)
+#            RESPONSE.setHeader('Content-Type', 'text/xml; charset="utf-8"')
+#            return RESPONSE
+
+        # Level 1 of lock checking (is the collection or its parent locked?)
+        if wl_isLocked(self):
+            if ifhdr:
+                self.dav__simpleifhandler(REQUEST, RESPONSE, 'DELETE', col=1)
+            else:
+                raise Locked
+        elif wl_isLocked(parent):
+            if ifhdr:
+                parent.dav__simpleifhandler(REQUEST, RESPONSE, 'DELETE', col=1)
+            else:
+                raise PreconditionFailed
+        # Second level of lock\conflict checking (are any descendants locked,
+        # or is the user not permitted to delete?).  This results in a
+        # multistatus response
+        if ifhdr:
+            tokens = self.wl_lockTokens()
+            for tok in tokens:
+                # We already know that the simple if handler succeeded,
+                # we just want to get the right token out of the header now
+                if ifhdr.find(tok) > -1:
+                    token = tok
+        cmd = DeleteCollection()
+        result = cmd.apply(self, token, sm, REQUEST['URL'])
+
+        if result:
+            # There were conflicts, so we need to report them
+            RESPONSE.setStatus(207)
+            RESPONSE.setHeader('Content-Type', 'text/xml; charset="utf-8"')
+            RESPONSE.setBody(result)
+        else:
+            # There were no conflicts, so we can go ahead and delete
+            # ajung: additional check if we really could delete the collection
+            # (Collector #2196)
+            if parent.manage_delObjects([name],REQUEST=None)  is None:
+                RESPONSE.setStatus(204)
+            else:
+                RESPONSE.setStatus(403)
+
+        return RESPONSE
+
+    def listDAVObjects(self):
+        objectValues = getattr(self, 'objectValues', None)
+        if objectValues is not None:
+            return objectValues()
+        return []
+
+InitializeClass(Collection)

src/webdav/EtagSupport.py

@@ -0,0 +1,20 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+
+from zope.deferredimport import deprecated
+
+deprecated(
+    'Please import from OFS.EtagSupport.',
+    EtagBaseInterface='OFS.EtagSupport:EtagBaseInterface',
+    wl_isLocked='OFS.EtagSupport:EtagSupport',
+)

src/webdav/LockItem.py

@@ -0,0 +1,22 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+
+from zope.deferredimport import deprecated
+
+deprecated(
+    'Please import from OFS.LockItem.',
+    LockItem='OFS.LockItem:LockItem',
+    MAXTIMEOUT='OFS.LockItem:MAXTIMEOUT',
+    DEFAULTTIMEOUT='OFS.LockItem:DEFAULTTIMEOUT',
+    validateTimeout='OFS.LockItem:validateTimeout',
+)

src/webdav/Lockable.py

@@ -0,0 +1,26 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+
+from zope.deferredimport import deprecated
+
+deprecated(
+    'Please import from OFS.Lockable.',
+    LockableItem='OFS.Lockable:LockableItem',
+    wl_isLocked='OFS.Lockable:wl_isLocked',
+    wl_isLockable='OFS.Lockable:wl_isLockable',
+)
+
+deprecated(
+    'Please import from zExceptions.',
+    ResourceLockedError='zExceptions:ResourceLockedError',
+)