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-# BEGIN BPS TAGGED BLOCK {{{
-#
-# COPYRIGHT:
-#
-# This software is Copyright (c) 1996-2005 Best Practical Solutions, LLC
-# <jesse@bestpractical.com>
-#
-# (Except where explicitly superseded by other copyright notices)
-#
-#
-# LICENSE:
-#
-# This work is made available to you under the terms of Version 2 of
-# the GNU General Public License. A copy of that license should have
-# been provided with this software, but in any event can be snarfed
-# from www.gnu.org.
-#
-# This work is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-#
-# CONTRIBUTION SUBMISSION POLICY:
-#
-# (The following paragraph is not intended to limit the rights granted
-# to you to modify and distribute this software under the terms of
-# the GNU General Public License and is only of importance to you if
-# you choose to contribute your changes and enhancements to the
-# community by submitting them to Best Practical Solutions, LLC.)
-#
-# By intentionally submitting any modifications, corrections or
-# derivatives to this work, or any other work intended for use with
-# Request Tracker, to Best Practical Solutions, LLC, you confirm that
-# you are the copyright holder for those contributions and you grant
-# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
-# royalty-free, perpetual, license to use, copy, create derivative
-# works based on those contributions, and sublicense and distribute
-# those contributions and any derivatives thereof.
-#
-# END BPS TAGGED BLOCK }}}
-
-=head1 NAME
-
- RT::GroupMember - a member of an RT Group
-
-=head1 SYNOPSIS
-
-RT::GroupMember should never be called directly. It should ONLY
-only be accessed through the helper functions in RT::Group;
-
-If you're operating on an RT::GroupMember object yourself, you B<ARE>
-doing something wrong.
-
-=head1 DESCRIPTION
-
-
-
-
-=head1 METHODS
-
-
-=begin testing
-
-ok (require RT::GroupMember);
-
-=end testing
-
-
-=cut
-
-
-package RT::GroupMember;
-
-use strict;
-no warnings qw(redefine);
-use RT::CachedGroupMembers;
-
-# {{{ sub Create
-
-=head2 Create { Group => undef, Member => undef }
-
-Add a Principal to the group Group.
-if the Principal is a group, automatically inserts all
-members of the principal into the cached members table recursively down.
-
-Both Group and Member are expected to be RT::Principal objects
-
-=cut
-
-sub Create {
- my $self = shift;
- my %args = (
- Group => undef,
- Member => undef,
- InsideTransaction => undef,
- @_
- );
-
- unless ($args{'Group'} &&
- UNIVERSAL::isa($args{'Group'}, 'RT::Principal') &&
- $args{'Group'}->Id ) {
-
- $RT::Logger->warning("GroupMember::Create called with a bogus Group arg");
- return (undef);
- }
-
- unless($args{'Group'}->IsGroup) {
- $RT::Logger->warning("Someone tried to add a member to a user instead of a group");
- return (undef);
- }
-
- unless ($args{'Member'} &&
- UNIVERSAL::isa($args{'Member'}, 'RT::Principal') &&
- $args{'Member'}->Id) {
- $RT::Logger->warning("GroupMember::Create called with a bogus Principal arg");
- return (undef);
- }
-
-
- #Clear the key cache. TODO someday we may want to just clear a little bit of the keycache space.
- # TODO what about the groups key cache?
- RT::Principal->InvalidateACLCache();
-
- $RT::Handle->BeginTransaction() unless ($args{'InsideTransaction'});
-
- # We really need to make sure we don't add any members to this group
- # that contain the group itself. that would, um, suck.
- # (and recurse infinitely) Later, we can add code to check this in the
- # cache and bail so we can support cycling directed graphs
-
- if ($args{'Member'}->IsGroup) {
- my $member_object = $args{'Member'}->Object;
- if ($member_object->HasMemberRecursively($args{'Group'})) {
- $RT::Logger->debug("Adding that group would create a loop");
- return(undef);
- }
- elsif ( $args{'Member'}->Id == $args{'Group'}->Id) {
- $RT::Logger->debug("Can't add a group to itself");
- return(undef);
- }
- }
-
-
- my $id = $self->SUPER::Create(
- GroupId => $args{'Group'}->Id,
- MemberId => $args{'Member'}->Id
- );
-
- unless ($id) {
- $RT::Handle->Rollback() unless ($args{'InsideTransaction'});
- return (undef);
- }
-
- my $cached_member = RT::CachedGroupMember->new( $self->CurrentUser );
- my $cached_id = $cached_member->Create(
- Member => $args{'Member'},
- Group => $args{'Group'},
- ImmediateParent => $args{'Group'},
- Via => '0'
- );
-
-
- #When adding a member to a group, we need to go back
- #and popuplate the CachedGroupMembers of all the groups that group is part of .
-
- my $cgm = RT::CachedGroupMembers->new( $self->CurrentUser );
-
- # find things which have the current group as a member.
- # $group is an RT::Principal for the group.
- $cgm->LimitToGroupsWithMember( $args{'Group'}->Id );
-
- while ( my $parent_member = $cgm->Next ) {
- my $parent_id = $parent_member->MemberId;
- my $via = $parent_member->Id;
- my $group_id = $parent_member->GroupId;
-
- my $other_cached_member =
- RT::CachedGroupMember->new( $self->CurrentUser );
- my $other_cached_id = $other_cached_member->Create(
- Member => $args{'Member'},
- Group => $parent_member->GroupObj,
- ImmediateParent => $parent_member->MemberObj,
- Via => $parent_member->Id
- );
- unless ($other_cached_id) {
- $RT::Logger->err( "Couldn't add " . $args{'Member'}
- . " as a submember of a supergroup" );
- $RT::Handle->Rollback() unless ($args{'InsideTransaction'});
- return (undef);
- }
- }
-
- unless ($cached_id) {
- $RT::Handle->Rollback() unless ($args{'InsideTransaction'});
- return (undef);
- }
-
- $RT::Handle->Commit() unless ($args{'InsideTransaction'});
-
- return ($id);
-}
-
-# }}}
-
-# {{{ sub _StashUser
-
-=head2 _StashUser PRINCIPAL
-
-Create { Group => undef, Member => undef }
-
-Creates an entry in the groupmembers table, which lists a user
-as a member of himself. This makes ACL checks a whole bunch easier.
-This happens once on user create and never ever gets yanked out.
-
-PRINCIPAL is expected to be an RT::Principal object for a user
-
-This routine expects to be called inside a transaction by RT::User->Create
-
-=cut
-
-sub _StashUser {
- my $self = shift;
- my %args = (
- Group => undef,
- Member => undef,
- @_
- );
-
- #Clear the key cache. TODO someday we may want to just clear a little bit of the keycache space.
- # TODO what about the groups key cache?
- RT::Principal->InvalidateACLCache();
-
-
- # We really need to make sure we don't add any members to this group
- # that contain the group itself. that would, um, suck.
- # (and recurse infinitely) Later, we can add code to check this in the
- # cache and bail so we can support cycling directed graphs
-
- my $id = $self->SUPER::Create(
- GroupId => $args{'Group'}->Id,
- MemberId => $args{'Member'}->Id,
- );
-
- unless ($id) {
- return (undef);
- }
-
- my $cached_member = RT::CachedGroupMember->new( $self->CurrentUser );
- my $cached_id = $cached_member->Create(
- Member => $args{'Member'},
- Group => $args{'Group'},
- ImmediateParent => $args{'Group'},
- Via => '0'
- );
-
- unless ($cached_id) {
- return (undef);
- }
-
- return ($id);
-}
-
-# }}}
-
-# {{{ sub Delete
-
-=head2 Delete
-
-Takes no arguments. deletes the currently loaded member from the
-group in question.
-
-Expects to be called _outside_ a transaction
-
-=cut
-
-sub Delete {
- my $self = shift;
-
-
- $RT::Handle->BeginTransaction();
-
- # Find all occurrences of this member as a member of this group
- # in the cache and nuke them, recursively.
-
- # The following code will delete all Cached Group members
- # where this member's group is _not_ the primary group
- # (Ie if we're deleting C as a member of B, and B happens to be
- # a member of A, will delete C as a member of A without touching
- # C as a member of B
-
- my $cached_submembers = RT::CachedGroupMembers->new( $self->CurrentUser );
-
- $cached_submembers->Limit(
- FIELD => 'MemberId',
- OPERATOR => '=',
- VALUE => $self->MemberObj->Id
- );
-
- $cached_submembers->Limit(
- FIELD => 'ImmediateParentId',
- OPERATOR => '=',
- VALUE => $self->GroupObj->Id
- );
-
-
-
-
-
- while ( my $item_to_del = $cached_submembers->Next() ) {
- my $del_err = $item_to_del->Delete();
- unless ($del_err) {
- $RT::Handle->Rollback();
- $RT::Logger->warning("Couldn't delete cached group submember ".$item_to_del->Id);
- return (undef);
- }
- }
-
- my ($err, $msg) = $self->SUPER::Delete();
- unless ($err) {
- $RT::Logger->warning("Couldn't delete cached group submember ".$self->Id);
- $RT::Handle->Rollback();
- return (undef);
- }
-
- # Since this deletion may have changed the former member's
- # delegation rights, we need to ensure that no invalid delegations
- # remain.
- $err = $self->MemberObj->_CleanupInvalidDelegations(InsideTransaction => 1);
- unless ($err) {
- $RT::Logger->warning("Unable to revoke delegated rights for principal ".$self->Id);
- $RT::Handle->Rollback();
- return (undef);
- }
-
- #Clear the key cache. TODO someday we may want to just clear a little bit of the keycache space.
- # TODO what about the groups key cache?
- RT::Principal->InvalidateACLCache();
-
- $RT::Handle->Commit();
- return ($err);
-
-}
-
-# }}}
-
-# {{{ sub MemberObj
-
-=head2 MemberObj
-
-Returns an RT::Principal object for the Principal specified by $self->PrincipalId
-
-=cut
-
-sub MemberObj {
- my $self = shift;
- unless ( defined( $self->{'Member_obj'} ) ) {
- $self->{'Member_obj'} = RT::Principal->new( $self->CurrentUser );
- $self->{'Member_obj'}->Load( $self->MemberId ) if ($self->MemberId);
- }
- return ( $self->{'Member_obj'} );
-}
-
-# }}}
-
-# {{{ sub GroupObj
-
-=head2 GroupObj
-
-Returns an RT::Principal object for the Group specified in $self->GroupId
-
-=cut
-
-sub GroupObj {
- my $self = shift;
- unless ( defined( $self->{'Group_obj'} ) ) {
- $self->{'Group_obj'} = RT::Principal->new( $self->CurrentUser );
- $self->{'Group_obj'}->Load( $self->GroupId );
- }
- return ( $self->{'Group_obj'} );
-}
-
-# }}}
-
-1;
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