diff options
Diffstat (limited to 'rt/lib/RT/Users_Overlay.pm')
-rw-r--r-- | rt/lib/RT/Users_Overlay.pm | 555 |
1 files changed, 555 insertions, 0 deletions
diff --git a/rt/lib/RT/Users_Overlay.pm b/rt/lib/RT/Users_Overlay.pm new file mode 100644 index 000000000..ea12dbe7f --- /dev/null +++ b/rt/lib/RT/Users_Overlay.pm @@ -0,0 +1,555 @@ +# BEGIN BPS TAGGED BLOCK {{{ +# +# COPYRIGHT: +# +# This software is Copyright (c) 1996-2009 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 +# +# (Except where explicitly superseded by other copyright notices) +# +# +# LICENSE: +# +# This work is made available to you under the terms of Version 2 of +# the GNU General Public License.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., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301 or visit their web page on the internet at +# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html. +# +# +# 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::Users - Collection of RT::User objects + +=head1 SYNOPSIS + + use RT::Users; + + +=head1 DESCRIPTION + + +=head1 METHODS + + +=cut + + +package RT::Users; + +use strict; +no warnings qw(redefine); + +# {{{ sub _Init +sub _Init { + my $self = shift; + $self->{'table'} = 'Users'; + $self->{'primary_key'} = 'id'; + $self->{'with_disabled_column'} = 1; + + my @result = $self->SUPER::_Init(@_); + # By default, order by name + $self->OrderBy( ALIAS => 'main', + FIELD => 'Name', + ORDER => 'ASC' ); + + $self->{'princalias'} = $self->NewAlias('Principals'); + + # XXX: should be generalized + $self->Join( ALIAS1 => 'main', + FIELD1 => 'id', + ALIAS2 => $self->{'princalias'}, + FIELD2 => 'id' ); + $self->Limit( ALIAS => $self->{'princalias'}, + FIELD => 'PrincipalType', + VALUE => 'User', + ); + + return (@result); +} + +# }}} + +=head2 PrincipalsAlias + +Returns the string that represents this Users object's primary "Principals" alias. + +=cut + +# XXX: should be generalized +sub PrincipalsAlias { + my $self = shift; + return($self->{'princalias'}); + +} + + +=head2 LimitToEnabled + +Only find items that haven\'t been disabled + +=cut + +# XXX: should be generalized +sub LimitToEnabled { + my $self = shift; + + $self->{'handled_disabled_column'} = 1; + $self->Limit( + ALIAS => $self->PrincipalsAlias, + FIELD => 'Disabled', + VALUE => '0', + ); +} + +=head2 LimitToDeleted + +Only find items that have been deleted. + +=cut + +sub LimitToDeleted { + my $self = shift; + + $self->{'handled_disabled_column'} = $self->{'find_disabled_rows'} = 1; + $self->Limit( + ALIAS => $self->PrincipalsAlias, + FIELD => 'Disabled', + VALUE => 1, + ); +} + + +# {{{ LimitToEmail + +=head2 LimitToEmail + +Takes one argument. an email address. limits the returned set to +that email address + +=cut + +sub LimitToEmail { + my $self = shift; + my $addr = shift; + $self->Limit( FIELD => 'EmailAddress', VALUE => "$addr" ); +} + +# }}} + +# {{{ MemberOfGroup + +=head2 MemberOfGroup PRINCIPAL_ID + +takes one argument, a group's principal id. Limits the returned set +to members of a given group + +=cut + +sub MemberOfGroup { + my $self = shift; + my $group = shift; + + return $self->loc("No group specified") if ( !defined $group ); + + my $groupalias = $self->NewAlias('CachedGroupMembers'); + + # Join the principal to the groups table + $self->Join( ALIAS1 => $self->PrincipalsAlias, + FIELD1 => 'id', + ALIAS2 => $groupalias, + FIELD2 => 'MemberId' ); + + $self->Limit( ALIAS => "$groupalias", + FIELD => 'GroupId', + VALUE => "$group", + OPERATOR => "=" ); +} + +# }}} + +# {{{ LimitToPrivileged + +=head2 LimitToPrivileged + +Limits to users who can be made members of ACLs and groups + +=cut + +sub LimitToPrivileged { + my $self = shift; + + my $priv = RT::Group->new( $self->CurrentUser ); + $priv->LoadSystemInternalGroup('Privileged'); + unless ( $priv->Id ) { + $RT::Logger->crit("Couldn't find a privileged users group"); + } + $self->MemberOfGroup( $priv->PrincipalId ); +} + +# }}} + +# {{{ WhoHaveRight + +=head2 WhoHaveRight { Right => 'name', Object => $rt_object , IncludeSuperusers => undef, IncludeSubgroupMembers => undef, IncludeSystemRights => undef, EquivObjects => [ ] } + + +find all users who the right Right for this group, either individually +or as members of groups + +If passed a queue object, with no id, it will find users who have that right for _any_ queue + +=cut + +# XXX: should be generalized +sub _JoinGroupMembers +{ + my $self = shift; + my %args = ( + IncludeSubgroupMembers => 1, + @_ + ); + + my $principals = $self->PrincipalsAlias; + + # The cachedgroupmembers table is used for unrolling group memberships + # to allow fast lookups. if we bind to CachedGroupMembers, we'll find + # all members of groups recursively. if we don't we'll find only 'direct' + # members of the group in question + my $group_members; + if ( $args{'IncludeSubgroupMembers'} ) { + $group_members = $self->NewAlias('CachedGroupMembers'); + } + else { + $group_members = $self->NewAlias('GroupMembers'); + } + + $self->Join( + ALIAS1 => $group_members, + FIELD1 => 'MemberId', + ALIAS2 => $principals, + FIELD2 => 'id' + ); + + return $group_members; +} + +# XXX: should be generalized +sub _JoinGroups +{ + my $self = shift; + my %args = (@_); + + my $group_members = $self->_JoinGroupMembers( %args ); + my $groups = $self->NewAlias('Groups'); + $self->Join( + ALIAS1 => $groups, + FIELD1 => 'id', + ALIAS2 => $group_members, + FIELD2 => 'GroupId' + ); + + return $groups; +} + +# XXX: should be generalized +sub _JoinACL +{ + my $self = shift; + my %args = ( + Right => undef, + IncludeSuperusers => undef, + @_, + ); + + if ( $args{'Right'} ) { + my $canonic = RT::ACE->CanonicalizeRightName( $args{'Right'} ); + unless ( $canonic ) { + $RT::Logger->error("Invalid right. Couldn't canonicalize right '$args{'Right'}'"); + } + else { + $args{'Right'} = $canonic; + } + } + + my $acl = $self->NewAlias('ACL'); + $self->Limit( + ALIAS => $acl, + FIELD => 'RightName', + OPERATOR => ( $args{Right} ? '=' : 'IS NOT' ), + VALUE => $args{Right} || 'NULL', + ENTRYAGGREGATOR => 'OR' + ); + if ( $args{'IncludeSuperusers'} and $args{'Right'} ) { + $self->Limit( + ALIAS => $acl, + FIELD => 'RightName', + OPERATOR => '=', + VALUE => 'SuperUser', + ENTRYAGGREGATOR => 'OR' + ); + } + return $acl; +} + +# XXX: should be generalized +sub _GetEquivObjects +{ + my $self = shift; + my %args = ( + Object => undef, + IncludeSystemRights => undef, + EquivObjects => [ ], + @_ + ); + return () unless $args{'Object'}; + + my @objects = ($args{'Object'}); + if ( UNIVERSAL::isa( $args{'Object'}, 'RT::Ticket' ) ) { + # If we're looking at ticket rights, we also want to look at the associated queue rights. + # this is a little bit hacky, but basically, now that we've done the ticket roles magic, + # we load the queue object and ask all the rest of our questions about the queue. + + # XXX: This should be abstracted into object itself + if( $args{'Object'}->id ) { + push @objects, $args{'Object'}->ACLEquivalenceObjects; + } else { + push @objects, 'RT::Queue'; + } + } + + if( $args{'IncludeSystemRights'} ) { + push @objects, 'RT::System'; + } + push @objects, @{ $args{'EquivObjects'} }; + return grep $_, @objects; +} + +# XXX: should be generalized +sub WhoHaveRight { + my $self = shift; + my %args = ( + Right => undef, + Object => undef, + IncludeSystemRights => undef, + IncludeSuperusers => undef, + IncludeSubgroupMembers => 1, + EquivObjects => [ ], + @_ + ); + + if ( defined $args{'ObjectType'} || defined $args{'ObjectId'} ) { + $RT::Logger->crit( "WhoHaveRight called with the Obsolete ObjectId/ObjectType API"); + return (undef); + } + + my $from_role = $self->Clone; + $from_role->WhoHaveRoleRight( %args ); + + my $from_group = $self->Clone; + $from_group->WhoHaveGroupRight( %args ); + + #XXX: DIRTY HACK + use DBIx::SearchBuilder 1.50; #no version on ::Union :( + use DBIx::SearchBuilder::Union; + my $union = new DBIx::SearchBuilder::Union; + $union->add( $from_group ); + $union->add( $from_role ); + %$self = %$union; + bless $self, ref($union); + + return; +} +# }}} + +# XXX: should be generalized +sub WhoHaveRoleRight +{ + my $self = shift; + my %args = ( + Right => undef, + Object => undef, + IncludeSystemRights => undef, + IncludeSuperusers => undef, + IncludeSubgroupMembers => 1, + EquivObjects => [ ], + @_ + ); + + my @objects = $self->_GetEquivObjects( %args ); + my @roles = RT::Principal->RolesWithRight( %args ); + unless ( @roles ) { + $self->_AddSubClause( "WhichRole", "(main.id = 0)" ); + return; + } + + my $groups = $self->_JoinGroups( %args ); + + # no system user + $self->Limit( ALIAS => $self->PrincipalsAlias, + FIELD => 'id', + OPERATOR => '!=', + VALUE => $RT::SystemUser->id + ); + + $self->_AddSubClause( "WhichRole", "(". join( ' OR ', map "$groups.Type = '$_'", @roles ) .")" ); + + my @groups_clauses = $self->_RoleClauses( $groups, @objects ); + $self->_AddSubClause( "WhichObject", "(". join( ' OR ', @groups_clauses ) .")" ) + if @groups_clauses; + + return; +} + +sub _RoleClauses { + my $self = shift; + my $groups = shift; + my @objects = @_; + + my @groups_clauses; + foreach my $obj ( @objects ) { + my $type = ref($obj)? ref($obj): $obj; + my $id; + $id = $obj->id if ref($obj) && UNIVERSAL::can($obj, 'id') && $obj->id; + + my $role_clause = "$groups.Domain = '$type-Role'"; + # XXX: Groups.Instance is VARCHAR in DB, we should quote value + # if we want mysql 4.0 use indexes here. we MUST convert that + # field to integer and drop this quotes. + $role_clause .= " AND $groups.Instance = '$id'" if $id; + push @groups_clauses, "($role_clause)"; + } + return @groups_clauses; +} + +# XXX: should be generalized +sub _JoinGroupMembersForGroupRights +{ + my $self = shift; + my %args = (@_); + my $group_members = $self->_JoinGroupMembers( %args ); + $self->Limit( ALIAS => $args{'ACLAlias'}, + FIELD => 'PrincipalId', + VALUE => "$group_members.GroupId", + QUOTEVALUE => 0, + ); +} + +# XXX: should be generalized +sub WhoHaveGroupRight +{ + my $self = shift; + my %args = ( + Right => undef, + Object => undef, + IncludeSystemRights => undef, + IncludeSuperusers => undef, + IncludeSubgroupMembers => 1, + EquivObjects => [ ], + @_ + ); + + # Find only rows where the right granted is + # the one we're looking up or _possibly_ superuser + my $acl = $self->_JoinACL( %args ); + + my ($check_objects) = (''); + my @objects = $self->_GetEquivObjects( %args ); + + if ( @objects ) { + my @object_clauses; + foreach my $obj ( @objects ) { + my $type = ref($obj)? ref($obj): $obj; + my $id; + $id = $obj->id if ref($obj) && UNIVERSAL::can($obj, 'id') && $obj->id; + + my $object_clause = "$acl.ObjectType = '$type'"; + $object_clause .= " AND $acl.ObjectId = $id" if $id; + push @object_clauses, "($object_clause)"; + } + + $check_objects = join ' OR ', @object_clauses; + } else { + if( !$args{'IncludeSystemRights'} ) { + $check_objects = "($acl.ObjectType != 'RT::System')"; + } + } + $self->_AddSubClause( "WhichObject", "($check_objects)" ); + + $self->_JoinGroupMembersForGroupRights( %args, ACLAlias => $acl ); + # Find only members of groups that have the right. + $self->Limit( ALIAS => $acl, + FIELD => 'PrincipalType', + VALUE => 'Group', + ); + + # no system user + $self->Limit( ALIAS => $self->PrincipalsAlias, + FIELD => 'id', + OPERATOR => '!=', + VALUE => $RT::SystemUser->id + ); + return; +} + +# {{{ WhoBelongToGroups + +=head2 WhoBelongToGroups { Groups => ARRAYREF, IncludeSubgroupMembers => 1 } + +=cut + +# XXX: should be generalized +sub WhoBelongToGroups { + my $self = shift; + my %args = ( Groups => undef, + IncludeSubgroupMembers => 1, + @_ ); + + # Unprivileged users can't be granted real system rights. + # is this really the right thing to be saying? + $self->LimitToPrivileged(); + + my $group_members = $self->_JoinGroupMembers( %args ); + + foreach my $groupid (@{$args{'Groups'}}) { + $self->Limit( ALIAS => $group_members, + FIELD => 'GroupId', + VALUE => $groupid, + QUOTEVALUE => 0, + ENTRYAGGREGATOR => 'OR', + ); + } +} +# }}} + + +1; |