+=cut
+
+sub agentnums_sql {
+ my( $self ) = shift;
+ my %opt = ref($_[0]) ? %{$_[0]} : @_;
+
+ my $agentnum = $opt{'table'} ? $opt{'table'}.'.agentnum' : 'agentnum';
+
+ my @or = ();
+
+ my $viewall_right = $opt{'viewall_right'} || 'View customers of all agents';
+ if ( $self->access_right($viewall_right) ) {
+ push @or, "$agentnum IS NOT NULL";
+ } else {
+ my @agentnums = $self->agentnums;
+ push @or, "$agentnum IN (". join(',', @agentnums). ')'
+ if @agentnums;
+ }
+
+ push @or, "$agentnum IS NULL"
+ if $opt{'null'}
+ || ( $opt{'null_right'} && $self->access_right($opt{'null_right'}) );
+
+ return ' 1 = 0 ' unless scalar(@or);
+ '( '. join( ' OR ', @or ). ' )';
+
+}
+
+=item agentnum
+
+Returns true if the user can view the specified agent.
+
+Also accepts optional hashref cache, to avoid redundant database calls.
+
+=cut
+
+sub agentnum {
+ my( $self, $agentnum, $cache ) = @_;
+ $cache ||= {};
+ return $cache->{$self->usernum}->{$agentnum}
+ if $cache->{$self->usernum}->{$agentnum};
+ my $sth = dbh->prepare(
+ "SELECT COUNT(*) FROM access_usergroup
+ JOIN access_groupagent USING ( groupnum )
+ WHERE usernum = ? AND agentnum = ?"
+ ) or die dbh->errstr;
+ $sth->execute($self->usernum, $agentnum) or die $sth->errstr;
+ $cache->{$self->usernum}->{$agentnum} = $sth->fetchrow_arrayref->[0];
+ $sth->finish;
+ return $cache->{$self->usernum}->{$agentnum};
+}
+
+=item agents [ HASHREF | OPTION => VALUE ... ]
+
+Returns the list of agents this user can view (via group membership), as
+FS::agent objects. Accepts the same options as the agentnums_sql method.
+
+=cut
+
+sub agents {
+ my $self = shift;
+ qsearch({
+ 'table' => 'agent',
+ 'hashref' => { disabled=>'' },
+ 'extra_sql' => ' AND '. $self->agentnums_sql(@_),
+ 'order_by' => 'ORDER BY agent',
+ });
+}
+
+=item access_users [ HASHREF | OPTION => VALUE ... ]
+
+Returns an array of FS::access_user objects, one for each non-disabled
+access_user in the system that shares an agent (via group membership) with
+the invoking object. Regardless of options and agents, will always at
+least return the invoking user and any users who have viewall_right.
+
+Accepts the following options:
+
+=over 4
+
+=item table
+
+Only return users who appear in the usernum field of this table
+
+=item disabled
+
+Include disabled users if true (defaults to false)
+
+=item viewall_right
+
+All users will be returned if the current user has the provided
+access right, regardless of agents (other filters still apply.)
+Defaults to 'View customers of all agents'
+
+=cut
+
+#Leaving undocumented until such time as this functionality is actually used
+#
+#=item null
+#
+#Users with no agents will be returned.
+#
+#=item null_right
+#
+#Users with no agents will be returned if the current user has the provided
+#access right.
+
+sub access_users {
+ my $self = shift;
+ my %opt = ref($_[0]) ? %{$_[0]} : @_;
+ my $table = $opt{'table'};
+ my $search = { 'table' => 'access_user' };
+ $search->{'hashref'} = $opt{'disabled'} ? {} : { 'disabled' => '' };
+ $search->{'addl_from'} = "INNER JOIN $table ON (access_user.usernum = $table.usernum)"
+ if $table;
+ my @access_users = qsearch($search);
+ my $viewall_right = $opt{'viewall_right'} || 'View customers of all agents';
+ return @access_users if $self->access_right($viewall_right);
+ #filter for users with agents $self can view
+ my @out;
+ my $agentnum_cache = {};
+ACCESS_USER:
+ foreach my $access_user (@access_users) {
+ # you can always view yourself, regardless of agents,
+ # and you can always view someone who can view you,
+ # since they might have affected your customers
+ if ( ($self->usernum eq $access_user->usernum)
+ || $access_user->access_right($viewall_right)
+ ) {
+ push(@out,$access_user);
+ next;
+ }
+ # if user has no agents, you need null or null_right to view
+ my @agents = $access_user->agents('viewall_right'=>'NONE'); #handled viewall_right above
+ if (!@agents) {
+ if ( $opt{'null'} ||
+ ( $opt{'null_right'} && $self->access_right($opt{'null_right'}) )
+ ) {
+ push(@out,$access_user);
+ }
+ next;
+ }
+ # otherwise, you need an agent in common
+ foreach my $agent (@agents) {
+ if ($self->agentnum($agent->agentnum,$agentnum_cache)) {
+ push(@out,$access_user);
+ next ACCESS_USER;
+ }
+ }
+ }
+ return @out;
+}
+
+=item access_users_hashref [ HASHREF | OPTION => VALUE ... ]
+
+Accepts same options as L</access_users>. Returns a hashref of
+users, with keys of usernum and values of username.
+
+=cut
+
+sub access_users_hashref {
+ my $self = shift;
+ my %access_users = map { $_->usernum => $_->username }
+ $self->access_users(@_);
+ return \%access_users;
+}
+
+=item access_right RIGHTNAME | LISTREF
+
+Given a right name or a list reference of right names, returns true if this
+user has this right, or, for a list, one of the rights (currently via group
+membership, eventually also via user overrides).
+
+=cut
+
+sub access_right {
+ my( $self, $rightname ) = @_;
+
+ $rightname = [ $rightname ] unless ref($rightname);
+
+ warn "$me access_right called on ". join(', ', @$rightname). "\n"
+ if $DEBUG;
+
+ #some caching of ACL requests for low-hanging fruit perf improvement
+ #since we get a new $CurrentUser object each page view there shouldn't be any
+ #issues with stickiness
+ if ( $self->{_ACLcache} ) {
+
+ unless ( grep !exists($self->{_ACLcache}{$_}), @$rightname ) {
+ warn "$me ACL cache hit for ". join(', ', @$rightname). "\n"
+ if $DEBUG;
+ return scalar( grep $self->{_ACLcache}{$_}, @$rightname );
+ }
+
+ warn "$me ACL cache miss for ". join(', ', @$rightname). "\n"
+ if $DEBUG;
+
+ } else {
+
+ warn "initializing ACL cache\n"
+ if $DEBUG;
+ $self->{_ACLcache} = {};
+
+ }
+
+ my $has_right = ' rightname IN ('. join(',', map '?', @$rightname ). ') ';
+
+ my $sth = dbh->prepare("
+ SELECT groupnum FROM access_usergroup
+ LEFT JOIN access_group USING ( groupnum )
+ LEFT JOIN access_right
+ ON ( access_group.groupnum = access_right.rightobjnum )
+ WHERE usernum = ?
+ AND righttype = 'FS::access_group'
+ AND $has_right
+ LIMIT 1
+ ") or die dbh->errstr;
+ $sth->execute($self->usernum, @$rightname) or die $sth->errstr;
+ my $row = $sth->fetchrow_arrayref;
+
+ my $return = $row ? $row->[0] : '';
+
+ #just caching the single-rightname hits should be enough of a win for now
+ if ( scalar(@$rightname) == 1 ) {
+ $self->{_ACLcache}{${$rightname}[0]} = $return;
+ }
projects / freeside.git / blobdiff