DavLockManager.py 7 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85
##############################################################################
# 
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
# 
# Copyright (c) Digital Creations.  All rights reserved.
# 
# This license has been certified as Open Source(tm).
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# 
# 1. Redistributions in source code must retain the above copyright
#    notice, this list of conditions, and the following disclaimer.
# 
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions, and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 
# 3. Digital Creations requests that attribution be given to Zope
#    in any manner possible. Zope includes a "Powered by Zope"
#    button that is installed by default. While it is not a license
#    violation to remove this button, it is requested that the
#    attribution remain. A significant investment has been put
#    into Zope, and this effort will continue if the Zope community
#    continues to grow. This is one way to assure that growth.
# 
# 4. All advertising materials and documentation mentioning
#    features derived from or use of this software must display
#    the following acknowledgement:
# 
#      "This product includes software developed by Digital Creations
#      for use in the Z Object Publishing Environment
#      (http://www.zope.org/)."
# 
#    In the event that the product being advertised includes an
#    intact Zope distribution (with copyright and license included)
#    then this clause is waived.
# 
# 5. Names associated with Zope or Digital Creations must not be used to
#    endorse or promote products derived from this software without
#    prior written permission from Digital Creations.
# 
# 6. Modified redistributions of any form whatsoever must retain
#    the following acknowledgment:
# 
#      "This product includes software developed by Digital Creations
#      for use in the Z Object Publishing Environment
#      (http://www.zope.org/)."
# 
#    Intact (re-)distributions of any official Zope release do not
#    require an external acknowledgement.
# 
# 7. Modifications are encouraged but must be packaged separately as
#    patches to official Zope releases.  Distributions that do not
#    clearly separate the patches from the original work must be clearly
#    labeled as unofficial distributions.  Modifications which do not
#    carry the name Zope may be packaged in any form, as long as they
#    conform to all of the clauses above.
# 
# 
# Disclaimer
# 
#   THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
#   EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
#   PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
#   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
#   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
#   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
#   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#   SUCH DAMAGE.
# 
# 
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations.  Specific
# attributions are listed in the accompanying credits file.
# 
##############################################################################

86
__version__ = "$Revision: 1.6 $"[11:-2]
87

88 89 90 91
import OFS, Acquisition, Globals
from AccessControl import getSecurityManager, ClassSecurityInfo
from webdav.Lockable import wl_isLocked

92
class DavLockManager(OFS.SimpleItem.Item, Acquisition.Implicit):
93 94 95 96 97 98 99 100 101 102 103 104 105
    id           = 'DavLockManager'
    name = title = 'WebDAV Lock Manager'
    meta_type    = 'WebDAV Lock Manager'
    icon = 'p_/davlocked'

    security = ClassSecurityInfo()
    security.declareProtected('Manage WebDAV Locks',
                              'findLockedObjects', 'manage_davlocks',
                              'manage_unlockObjects')
    security.declarePrivate('unlockObjects')

    manage_davlocks=manage_main=manage=Globals.DTMLFile(
        'dtml/davLockManager', globals())
106
    manage_davlocks._setName('manage_davlocks')
107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164

    manage_options = (
        {'label': 'Write Locks', 'action': 'manage_main',
         'help': ('OFSP', 'DavLocks-ManageLocks.stx'), },
        )
    
    def locked_in_version(self): return 0

    def findLockedObjects(self, frompath=''):
        app = self.getPhysicalRoot()

        if frompath:
            if frompath[0] == '/': frompath = frompath[1:]
            # since the above will turn '/' into an empty string, check
            # for truth before chopping a final slash
            if frompath and frompath[-1] == '/': frompath= frompath[:-1]

        # Now we traverse to the node specified in the 'frompath' if
        # the user chose to filter the search, and run a ZopeFind with
        # the expression 'wl_isLocked()' to find locked objects.
        obj = app.unrestrictedTraverse(frompath)
        lockedobjs = self._findapply(obj, path=frompath)

        return lockedobjs

    def unlockObjects(self, paths=[]):
        app = self.getPhysicalRoot()

        for path in paths:
            ob = app.unrestrictedTraverse(path)
            ob.wl_clearLocks()

    def manage_unlockObjects(self, paths=[], REQUEST=None):
        " Management screen action to unlock objects. "
        if paths: self.unlockObjects(paths)
        if REQUEST is not None:
            m = '%s objects unlocked.' % len(paths)
            return self.manage_davlocks(self, REQUEST, manage_tabs_message=m)

    def _findapply(self, obj, result=None, path=''):
        # recursive function to actually dig through and find the locked
        # objects.

        if result is None:
            result = []
        base = Acquisition.aq_base(obj)
        if not hasattr(base, 'objectItems'):
            return result
        try: items = obj.objectItems()
        except: return result

        addresult = result.append
        for id, ob in items:
            if path: p = '%s/%s' % (path, id)
            else: p = id

            dflag = hasattr(ob, '_p_changed') and (ob._p_changed == None)
            bs = Acquisition.aq_base(ob)
165
            if wl_isLocked(ob):
166 167
                li = []
                addlockinfo = li.append
168
                for token, lock in ob.wl_lockItems():
169 170
                    addlockinfo({'owner':lock.getCreatorPath(),
                                 'token':token})
171
                addresult((p, li))
172 173 174 175 176 177 178 179 180
                dflag = 0
            if hasattr(bs, 'objectItems'):
                self._findapply(ob, result, p)
            if dflag: ob._p_deactivate()

        return result

    
Globals.default__class_init__(DavLockManager)