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MembershipTool.py

##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# 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.
#
##############################################################################
""" CMFDefault portal_membership tool.

$Id: MembershipTool.py 37067 2005-06-16 10:05:38Z yuppie $
"""

from AccessControl import ClassSecurityInfo
from Acquisition import aq_base
from Acquisition import aq_inner
from Acquisition import aq_parent
from Globals import DTMLFile
from Globals import InitializeClass

from Products.CMFCore.ActionInformation import ActionInformation as AI
from Products.CMFCore.ActionProviderBase import ActionProviderBase
from Products.CMFCore.Expression import Expression
from Products.CMFCore.MembershipTool import MembershipTool as BaseTool
from Products.CMFCore.utils import _checkPermission
from Products.CMFCore.utils import _getAuthenticatedUser
from Products.CMFCore.utils import getToolByName

from Document import addDocument
from interfaces.portal_membership \
        import portal_membership as IMembershipTool
from permissions import ListPortalMembers
from permissions import ManagePortal
from permissions import ManageUsers
from permissions import View
from utils import _dtmldir


DEFAULT_MEMBER_CONTENT = """\
Default page for %s

  This is the default document created for you when
  you joined this community.

  To change the content just select "Edit"
  in the Tool Box on the left.
"""


00054 class MembershipTool( BaseTool ):
    """ Implement 'portal_membership' interface using "stock" policies.
    """

    __implements__ = (IMembershipTool, ActionProviderBase.__implements__)

    meta_type = 'Default Membership Tool'
    _actions = (
      AI( id='login'
        , title='Login'
        , description='Click here to Login'
        , action=Expression(text='string:${portal_url}/login_form')
        , permissions=(View,)
        , category='user'
        , condition=Expression(text='not: member')
        , visible=1
        )
    , AI( id='preferences'
        , title='Preferences'
        , description='Change your user preferences'
        , action=Expression(text='string:${portal_url}/personalize_form')
        , permissions=(View,)
        , category='user'
        , condition=Expression(text='member')
        , visible=1
        )
    , AI( id='logout'
        , title='Log out'
        , description='Click here to logout'
        , action=Expression(text='string:${portal_url}/logout')
        , permissions=(View,)
        , category='user'
        , condition=Expression(text='member')
        , visible=1
        )
    , AI( id='addFavorite'
        , title='Add to favorites'
        , description='Add this item to your favorites'
        , action=Expression(text='string:${object_url}/addtoFavorites')
        , permissions=(View,)
        , category='user'
        , condition=Expression(text= 'portal/portal_membership'
                                   + '/getHomeFolder')
        , visible=1
        )
    , AI( id='mystuff'
        , title='My stuff'
        , description='Goto your home folder'
        , action=Expression(text='string:${portal/portal_membership'
                               + '/getHomeUrl}/folder_contents')
        , permissions=(View,)
        , category='user'
        , condition=Expression( text='python: member and '
                              + 'portal.portal_membership.getHomeFolder()')
        , visible=1
        )
    , AI( id='favorites'
        , title='My favorites'
        , description='Browse your favorites'
        , action=Expression(text='string:${portal/portal_membership'
                               + '/getHomeUrl}/Favorites/folder_contents')
        , permissions=(View,)
        , category='user'
        , condition=Expression( text='python: member and '
                                   + 'hasattr(portal.portal_membership.'
                                   +  'getHomeFolder(), "Favorites")')
        , visible=1
        )
    , AI( id='manage_members'
        , title='Manage members'
        , description='Manage portal members'
        , action=Expression(text='string:${portal_url}/members_manage_form')
        , permissions=(ManageUsers,)
        , category='global'
        , condition=None
        , visible=1
        )
    , AI( id='logged_in'
        , title='Logged in'
        , description='Used by scripts'
        , action=Expression(text='string:${portal_url}/logged_in')
        , permissions=(View,)
        , category='user'
        , condition=None
        , visible=0
        )
    )

    membersfolder_id = 'Members'

    security = ClassSecurityInfo()

    #
    #   ZMI methods
    #
    security.declareProtected( ManagePortal, 'manage_overview' )
    manage_overview = DTMLFile( 'explainMembershipTool', _dtmldir )

    security.declareProtected(ManagePortal, 'manage_mapRoles')
    manage_mapRoles = DTMLFile('membershipRolemapping', _dtmldir )

    security.declareProtected(ManagePortal, 'manage_setMembersFolderById')
00156     def manage_setMembersFolderById(self, id='', REQUEST=None):
        """ ZMI method to set the members folder object by its id.
        """
        self.setMembersFolderById(id)
        if REQUEST is not None:
            REQUEST['RESPONSE'].redirect( self.absolute_url()
                    + '/manage_mapRoles'
                    + '?manage_tabs_message=Members+folder+changed.'
                    )

    #
    #   'portal_membership' interface methods
    #
    security.declareProtected( ListPortalMembers, 'getRoster' )
00170     def getRoster(self):
        """ Return a list of mappings for 'listed' members.

        If Manager, return a list of all usernames.  The mapping
        contains the id and listed variables.
        """
        isUserManager = _checkPermission(ManageUsers, self)
        roster = []
        for member in self.listMembers():
            if isUserManager or member.listed:
                roster.append({'id':member.getId(),
                               'listed':member.listed})
        return roster

    security.declareProtected(ManagePortal, 'setMembersFolderById')
00185     def setMembersFolderById(self, id=''):
        """ Set the members folder object by its id.
        """
        self.membersfolder_id = id.strip()

    security.declarePublic('getMembersFolder')
00191     def getMembersFolder(self):
        """ Get the members folder object.
        """
        parent = aq_parent( aq_inner(self) )
        members = getattr(parent, self.membersfolder_id, None)
        return members

    security.declarePublic('createMemberArea')
00199     def createMemberArea(self, member_id=''):
        """ Create a member area for 'member_id' or authenticated user.
        """
        if not self.getMemberareaCreationFlag():
            return None
        members = self.getMembersFolder()
        if not members:
            return None
        if self.isAnonymousUser():
            return None
        # Note: We can't use getAuthenticatedMember() and getMemberById()
        # because they might be wrapped by MemberDataTool.
        user = _getAuthenticatedUser(self)
        user_id = user.getId()
        if member_id in ('', user_id):
            member = user
            member_id = user_id
        else:
            if _checkPermission(ManageUsers, self):
                member = self.acl_users.getUserById(member_id, None)
                if member:
                    member = member.__of__(self.acl_users)
                else:
                    raise ValueError, 'Member %s does not exist' % member_id
            else:
                return None
        if hasattr( aq_base(members), member_id ):
            return None

        # Note: We can't use invokeFactory() to add folder and content because
        # the user might not have the necessary permissions.

        # Create Member's home folder.
        members.manage_addPortalFolder(id=member_id,
                                       title="%s's Home" % member_id)
        f = members._getOb(member_id)

        # Grant Ownership and Owner role to Member
        f.changeOwnership(member)
        f.__ac_local_roles__ = None
        f.manage_setLocalRoles(member_id, ['Owner'])

        # Create Member's initial content.
        if hasattr(self, 'createMemberContent'):
            self.createMemberContent(member=member,
                                   member_id=member_id,
                                   member_folder=f)
        else:
            addDocument( f
                       , 'index_html'
                       , member_id+"'s Home"
                       , member_id+"'s front page"
                       , "structured-text"
                       , (DEFAULT_MEMBER_CONTENT % member_id)
                       )

            # Grant Ownership and Owner role to Member
            f.index_html.changeOwnership(member)
            f.index_html.__ac_local_roles__ = None
            f.index_html.manage_setLocalRoles(member_id, ['Owner'])

            f.index_html._setPortalTypeName( 'Document' )
            f.index_html.reindexObject()
            f.index_html.notifyWorkflowCreated()
        return f

    security.declarePublic('createMemberarea')
    createMemberarea = createMemberArea

00268     def getHomeFolder(self, id=None, verifyPermission=0):
        """ Return a member's home folder object, or None.
        """
        if id is None:
            member = self.getAuthenticatedMember()
            if not hasattr(member, 'getMemberId'):
                return None
            id = member.getMemberId()
        members = self.getMembersFolder()
        if members:
            try:
                folder = members._getOb(id)
                if verifyPermission and not _checkPermission(View, folder):
                    # Don't return the folder if the user can't get to it.
                    return None
                return folder
            except (AttributeError, TypeError, KeyError):
                pass
        return None

00288     def getHomeUrl(self, id=None, verifyPermission=0):
        """ Return the URL to a member's home folder, or None.
        """
        home = self.getHomeFolder(id, verifyPermission)
        if home is not None:
            return home.absolute_url()
        else:
            return None

InitializeClass(MembershipTool)

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