+package SL::Auth;
+
+use constant OK => 0;
+use constant ERR_PASSWORD => 1;
+use constant ERR_BACKEND => 100;
+
+use Digest::MD5 qw(md5_hex);
+use IO::File;
+use Time::HiRes qw(gettimeofday);
+
+use SL::Auth::DB;
+use SL::Auth::LDAP;
+
+use SL::User;
+use SL::DBUtils;
+
+sub new {
+ $main::lxdebug->enter_sub();
+
+ my $type = shift;
+ my $self = {};
+
+ bless $self, $type;
+
+ $self->{SESSION} = { };
+
+ $self->_read_auth_config();
+
+ $main::lxdebug->leave_sub();
+
+ return $self;
+}
+
+sub DESTROY {
+ my $self = shift;
+
+ $self->{dbh}->disconnect() if ($self->{dbh});
+}
+
+sub _read_auth_config {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $form = $main::form;
+ my $locale = $main::locale;
+
+ my $code;
+ my $in = IO::File->new('config/authentication.pl', 'r');
+
+ if (!$in) {
+ $form->error($locale->text('The config file "config/authentication.pl" was not found.'));
+ }
+
+ while (<$in>) {
+ $code .= $_;
+ }
+ $in->close();
+
+ eval $code;
+
+ if ($@) {
+ $form->error($locale->text('The config file "config/authentication.pl" contained invalid Perl code:') . "\n" . $@);
+ }
+
+ if ($self->{module} eq 'DB') {
+ $self->{authenticator} = SL::Auth::DB->new($self);
+
+ } elsif ($self->{module} eq 'LDAP') {
+ $self->{authenticator} = SL::Auth::LDAP->new($self);
+ }
+
+ if (!$self->{authenticator}) {
+ $form->error($locale->text('No or an unknown authenticantion module specified in "config/authentication.pl".'));
+ }
+
+ my $cfg = $self->{DB_config};
+
+ if (!$cfg) {
+ $form->error($locale->text('config/authentication.pl: Key "DB_config" is missing.'));
+ }
+
+ if (!$cfg->{host} || !$cfg->{db} || !$cfg->{user}) {
+ $form->error($locale->text('config/authentication.pl: Missing parameters in "DB_config". Required parameters are "host", "db" and "user".'));
+ }
+
+ $self->{authenticator}->verify_config();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub authenticate_root {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $password = shift;
+ my $is_crypted = shift;
+
+ $password = crypt $password, 'ro' if (!$password || !$is_crypted);
+ $admin_password = crypt "$self->{admin_password}", 'ro';
+
+ $main::lxdebug->leave_sub();
+
+ return $password eq $admin_password ? OK : ERR_PASSWORD;
+}
+
+sub authenticate {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ $main::lxdebug->leave_sub();
+
+ return $self->{authenticator}->authenticate(@_);
+}
+
+sub dbconnect {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $may_fail = shift;
+
+ if ($self->{dbh}) {
+ $main::lxdebug->leave_sub();
+ return $self->{dbh};
+ }
+
+ my $cfg = $self->{DB_config};
+ my $dsn = 'dbi:Pg:dbname=' . $cfg->{db} . ';host=' . $cfg->{host};
+
+ if ($cfg->{port}) {
+ $dsn .= ';port=' . $cfg->{port};
+ }
+
+ $main::lxdebug->message(LXDebug::DEBUG1, "Auth::dbconnect DSN: $dsn");
+
+ $self->{dbh} = DBI->connect($dsn, $cfg->{user}, $cfg->{password}, { 'AutoCommit' => 0 });
+
+ if (!$may_fail && !$self->{dbh}) {
+ $main::form->error($main::locale->text('The connection to the authentication database failed:') . "\n" . $DBI::errstr);
+ }
+
+ $main::lxdebug->leave_sub();
+
+ return $self->{dbh};
+}
+
+sub dbdisconnect {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ if ($self->{dbh}) {
+ $self->{dbh}->disconnect();
+ delete $self->{dbh};
+ }
+
+ $main::lxdebug->leave_sub();
+}
+
+sub check_tables {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $dbh = $self->dbconnect();
+ my $query = qq|SELECT COUNT(*) FROM pg_tables WHERE (schemaname = 'auth') AND (tablename = 'user')|;
+
+ my ($count) = $dbh->selectrow_array($query);
+
+ $main::lxdebug->leave_sub();
+
+ return $count > 0;
+}
+
+sub check_database {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $dbh = $self->dbconnect(1);
+
+ $main::lxdebug->leave_sub();
+
+ return $dbh ? 1 : 0;
+}
+
+sub create_database {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my %params = @_;
+
+ my $cfg = $self->{DB_config};
+
+ if (!$params{superuser}) {
+ $params{superuser} = $cfg->{user};
+ $params{superuser_password} = $cfg->{password};
+ }
+
+ $params{template} ||= 'template0';
+ $params{template} =~ s|[^a-zA-Z0-9_\-]||g;
+
+ my $dsn = 'dbi:Pg:dbname=template1;host=' . $cfg->{host};
+
+ if ($cfg->{port}) {
+ $dsn .= ';port=' . $cfg->{port};
+ }
+
+ $main::lxdebug->message(LXDebug::DEBUG1, "Auth::create_database DSN: $dsn");
+
+ my $dbh = DBI->connect($dsn, $params{superuser}, $params{superuser_password});
+
+ if (!$dbh) {
+ $main::form->error($main::locale->text('The connection to the template database failed:') . "\n" . $DBI::errstr);
+ }
+
+ my $charset = $main::charset;
+ $charset ||= Common::DEFAULT_CHARSET;
+ my $encoding = $Common::charset_to_db_encoding{$charset};
+ $encoding ||= 'UNICODE';
+
+ my $query = qq|CREATE DATABASE "$cfg->{db}" OWNER "$cfg->{user}" TEMPLATE "$params{template}" ENCODING '$encoding'|;
+
+ $main::lxdebug->message(LXDebug::DEBUG1, "Auth::create_database query: $query");
+
+ $dbh->do($query);
+
+ if ($dbh->err) {
+ $dbh->disconnect();
+
+ $main::form->error($main::locale->text('The creation of the authentication database failed:') . "\n" . $DBI::errstr);
+ }
+
+ $dbh->disconnect();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub create_tables {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $dbh = $self->dbconnect();
+
+ my $charset = $main::charset;
+ $charset ||= Common::DEFAULT_CHARSET;
+
+ $dbh->rollback();
+ User->process_query($main::form, $dbh, 'sql/auth_db.sql', undef, $charset);
+
+ $main::lxdebug->leave_sub();
+}
+
+sub save_user {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $login = shift;
+ my %params = @_;
+
+ my $form = $main::form;
+
+ my $dbh = $self->dbconnect();
+
+ my ($sth, $query, $user_id);
+
+ $query = qq|SELECT id FROM auth."user" WHERE login = ?|;
+ ($user_id) = selectrow_query($form, $dbh, $query, $login);
+
+ if (!$user_id) {
+ $query = qq|SELECT nextval('auth.user_id_seq')|;
+ ($user_id) = selectrow_query($form, $dbh, $query);
+
+ $query = qq|INSERT INTO auth."user" (id, login) VALUES (?, ?)|;
+ do_query($form, $dbh, $query, $user_id, $login);
+ }
+
+ $query = qq|DELETE FROM auth.user_config WHERE (user_id = ?)|;
+ do_query($form, $dbh, $query, $user_id);
+
+ $query = qq|INSERT INTO auth.user_config (user_id, cfg_key, cfg_value) VALUES (?, ?, ?)|;
+ $sth = prepare_query($form, $dbh, $query);
+
+ while (my ($cfg_key, $cfg_value) = each %params) {
+ next if ($cfg_key eq 'password');
+
+ do_statement($form, $sth, $query, $user_id, $cfg_key, $cfg_value);
+ }
+
+ $dbh->commit();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub can_change_password {
+ my $self = shift;
+
+ return $self->{authenticator}->can_change_password();
+}
+
+sub change_password {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $result = $self->{authenticator}->change_password(@_);
+
+ $main::lxdebug->leave_sub();
+
+ return $result;
+}
+
+sub read_all_users {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $dbh = $self->dbconnect();
+ my $query = qq|SELECT u.id, u.login, cfg.cfg_key, cfg.cfg_value
+ FROM auth.user_config cfg
+ LEFT JOIN auth."user" u ON (cfg.user_id = u.id)|;
+ my $sth = prepare_execute_query($main::form, $dbh, $query);
+
+ my %users;
+
+ while (my $ref = $sth->fetchrow_hashref()) {
+ $users{$ref->{login}} ||= { 'login' => $ref->{login}, 'id' => $ref->{id} };
+ $users{$ref->{login}}->{$ref->{cfg_key}} = $ref->{cfg_value} if (($cfg_key ne 'login') && ($cfg_key ne 'id'));
+ }
+
+ $sth->finish();
+
+ $main::lxdebug->leave_sub();
+
+ return %users;
+}
+
+sub read_user {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $login = shift;
+
+ my $dbh = $self->dbconnect();
+ my $query = qq|SELECT cfg.cfg_key, cfg.cfg_value
+ FROM auth.user_config cfg
+ LEFT JOIN auth."user" u ON (cfg.user_id = u.id)
+ WHERE (u.login = ?)|;
+ my $sth = prepare_execute_query($main::form, $dbh, $query, $login);
+
+ my %user_data;
+
+ while (my $ref = $sth->fetchrow_hashref()) {
+ $user_data{$ref->{cfg_key}} = $ref->{cfg_value};
+ $user_data{login} = $login;
+ }
+
+ $sth->finish();
+
+ $main::lxdebug->leave_sub();
+
+ return %user_data;
+}
+
+sub get_user_id {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $login = shift;
+
+ my $dbh = $self->dbconnect();
+ my ($id) = selectrow_query($main::form, $dbh, qq|SELECT id FROM auth."user" WHERE login = ?|, $login);
+
+ $main::lxdebug->leave_sub();
+
+ return $id;
+}
+
+sub delete_user {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $login = shift;
+
+ my $form = $main::form;
+
+ my $dbh = $self->dbconnect();
+ my $query = qq|SELECT id FROM auth."user" WHERE login = ?|;
+
+ my ($id) = selectrow_query($form, $dbh, $query, $login);
+
+ return $main::lxdebug->leave_sub() if (!$id);
+
+ do_query($form, $dbh, qq|DELETE FROM auth.user_group WHERE user_id = ?|, $id);
+ do_query($form, $dbh, qq|DELETE FROM auth.user_config WHERE user_id = ?|, $id);
+
+ $dbh->commit();
+
+ $main::lxdebug->leave_sub();
+}
+
+# --------------------------------------
+
+my $session_id;
+
+sub restore_session {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $cgi = $main::cgi;
+ $cgi ||= CGI->new('');
+
+ $session_id = $cgi->cookie($self->get_session_cookie_name());
+ $session_id =~ s|[^0-9a-f]||g;
+
+ $self->{SESSION} = { };
+
+ return $main::lxdebug->leave_sub() if (!$session_id);
+
+ my ($dbh, $query, $sth, $cookie, $ref, $form);
+
+ $form = $main::form;
+
+ $dbh = $self->dbconnect();
+ $query = qq|SELECT *, (mtime < (now() - '24h'::interval)) AS is_expired FROM auth.session WHERE id = ?|;
+
+ $cookie = selectfirst_hashref_query($form, $dbh, $query, $session_id);
+
+ if (!$cookie || $cookie->{is_expired} || ($cookie->{ip_address} ne $ENV{REMOTE_ADDR})) {
+ $self->destroy_session();
+ $main::lxdebug->leave_sub();
+ return;
+ }
+
+ $query = qq|SELECT sess_key, sess_value FROM auth.session_content WHERE session_id = ?|;
+ $sth = prepare_execute_query($form, $dbh, $query, $session_id);
+
+ while (my $ref = $sth->fetchrow_hashref()) {
+ $self->{SESSION}->{$ref->{sess_key}} = $ref->{sess_value};
+ $form->{$ref->{sess_key}} = $ref->{sess_value} if (!defined $form->{$ref->{sess_key}});
+ }
+
+ $sth->finish();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub destroy_session {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ if ($session_id) {
+ my $dbh = $self->dbconnect();
+
+ do_query($main::form, $dbh, qq|DELETE FROM auth.session_content WHERE session_id = ?|, $session_id);
+ do_query($main::form, $dbh, qq|DELETE FROM auth.session WHERE id = ?|, $session_id);
+
+ $dbh->commit();
+
+ $session_id = undef;
+ $self->{SESSION} = { };
+ }
+
+ $main::lxdebug->leave_sub();
+}
+
+sub expire_sessions {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $dbh = $self->dbconnect();
+ my $query =
+ qq|DELETE FROM auth.session_content
+ WHERE session_id IN
+ (SELECT id
+ FROM auth.session
+ WHERE (mtime < (now() - '24h'::interval)))|;
+
+ do_query($main::form, $dbh, $query);
+
+ $query =
+ qq|DELETE FROM auth.session
+ WHERE (mtime < (now() - '24h'::interval))|;
+
+ do_query($main::form, $dbh, $query);
+
+ $dbh->commit();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub _create_session_id {
+ $main::lxdebug->enter_sub();
+
+ my @secs = gettimeofday();
+ srand $secs[1] + $$;
+
+ my @data;
+ map { push @data, int(rand() * 255); } (1..32);
+
+ my $id = md5_hex(pack 'C*', @data);
+
+ $main::lxdebug->leave_sub();
+
+ return $id;
+}
+
+sub create_or_refresh_session {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ $session_id ||= $self->_create_session_id();
+
+ my ($form, $dbh, $query, $sth, $id);
+
+ $form = $main::form;
+ $dbh = $self->dbconnect();
+
+ $query = qq|SELECT id FROM auth.session WHERE id = ?|;
+
+ ($id) = selectrow_query($form, $dbh, $query, $session_id);
+
+ if ($id) {
+ do_query($form, $dbh, qq|UPDATE auth.session SET mtime = now() WHERE id = ?|, $session_id);
+ do_query($form, $dbh, qq|DELETE FROM auth.session_content WHERE session_id = ?|, $session_id);
+
+ } else {
+ do_query($form, $dbh, qq|INSERT INTO auth.session (id, ip_address, mtime) VALUES (?, ?, now())|, $session_id, $ENV{REMOTE_ADDR});
+
+ }
+
+ $query = qq|INSERT INTO auth.session_content (session_id, sess_key, sess_value) VALUES (?, ?, ?)|;
+ $sth = prepare_query($form, $dbh, $query);
+
+ foreach my $key (sort keys %{ $self->{SESSION} }) {
+ do_statement($form, $sth, $query, $session_id, $key, $self->{SESSION}->{$key});
+ }
+
+ $sth->finish();
+ $dbh->commit();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub set_session_value {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ $self->{SESSION} ||= { };
+
+ while (2 <= scalar @_) {
+ my $key = shift;
+ my $value = shift;
+
+ $self->{SESSION}->{$key} = $value;
+ }
+
+ $main::lxdebug->leave_sub();
+}
+
+sub set_cookie_environment_variable {
+ my $self = shift;
+ $ENV{HTTP_COOKIE} = $self->get_session_cookie_name() . "=${session_id}";
+}
+
+sub get_session_cookie_name {
+ my $self = shift;
+
+ return $self->{cookie_name} || 'lx_office_erp_session_id';
+}
+
+sub get_session_id {
+ return $session_id;
+}
+
+sub session_tables_present {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $dbh = $self->dbconnect(1);
+
+ if (!$dbh) {
+ $main::lxdebug->leave_sub();
+ return 0;
+ }
+
+ my $query =
+ qq|SELECT COUNT(*)
+ FROM pg_tables
+ WHERE (schemaname = 'auth')
+ AND (tablename IN ('session', 'session_content'))|;
+
+ my ($count) = selectrow_query($main::form, $dbh, $query);
+
+ $main::lxdebug->leave_sub();
+
+ return 2 == $count;
+}
+
+# --------------------------------------
+
+sub all_rights_full {
+ my $locale = $main::locale;
+
+ my @all_rights = (
+ ["--master_data", $locale->text("Master Data")],
+ ["customer_vendor_edit", $locale->text("Create and edit customers and vendors")],
+ ["part_service_assembly_edit", $locale->text("Create and edit parts, services, assemblies")],
+ ["project_edit", $locale->text("Create and edit projects")],
+ ["license_edit", $locale->text("Manage license keys")],
+ ["--ar", $locale->text("AR")],
+ ["sales_quotation_edit", $locale->text("Create and edit sales quotations")],
+ ["sales_order_edit", $locale->text("Create and edit sales orders")],
+ ["sales_delivery_order_edit", $locale->text("Create and edit sales delivery orders")],
+ ["invoice_edit", $locale->text("Create and edit invoices and credit notes")],
+ ["dunning_edit", $locale->text("Create and edit dunnings")],
+ ["--ap", $locale->text("AP")],
+ ["request_quotation_edit", $locale->text("Create and edit RFQs")],
+ ["purchase_order_edit", $locale->text("Create and edit purchase orders")],
+ ["purchase_delivery_order_edit", $locale->text("Create and edit purchase delivery orders")],
+ ["vendor_invoice_edit", $locale->text("Create and edit vendor invoices")],
+ ["--general_ledger_cash", $locale->text("General ledger and cash")],
+ ["general_ledger", $locale->text("Transactions, AR transactions, AP transactions")],
+ ["datev_export", $locale->text("DATEV Export")],
+ ["cash", $locale->text("Receipt, payment, reconciliation")],
+ ["--reports", $locale->text('Reports')],
+ ["report", $locale->text('All reports')],
+ ["advance_turnover_tax_return", $locale->text('Advance turnover tax return')],
+ ["--others", $locale->text("Others")],
+ ["email_bcc", $locale->text("May set the BCC field when sending emails")],
+ ["config", $locale->text("Change Lx-Office installation settings (all menu entries beneath 'System')")],
+ );
+
+ return @all_rights;
+}
+
+sub all_rights {
+ return grep !/^--/, map { $_->[0] } all_rights_full();
+}
+
+sub read_groups {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+
+ my $form = $main::form;
+ my $groups = {};
+ my $dbh = $self->dbconnect();
+
+ my $query = 'SELECT * FROM auth."group"';
+ my $sth = prepare_execute_query($form, $dbh, $query);
+
+ my ($row, $group);
+
+ while ($row = $sth->fetchrow_hashref()) {
+ $groups->{$row->{id}} = $row;
+ }
+ $sth->finish();
+
+ $query = 'SELECT * FROM auth.user_group WHERE group_id = ?';
+ $sth = prepare_query($form, $dbh, $query);
+
+ foreach $group (values %{$groups}) {
+ $group->{members} = [];
+
+ do_statement($form, $sth, $query, $group->{id});
+
+ while ($row = $sth->fetchrow_hashref()) {
+ push @{$group->{members}}, $row->{user_id};
+ }
+ }
+ $sth->finish();
+
+ $query = 'SELECT * FROM auth.group_rights WHERE group_id = ?';
+ $sth = prepare_query($form, $dbh, $query);
+
+ foreach $group (values %{$groups}) {
+ $group->{rights} = {};
+
+ do_statement($form, $sth, $query, $group->{id});
+
+ while ($row = $sth->fetchrow_hashref()) {
+ $group->{rights}->{$row->{right}} |= $row->{granted};
+ }
+
+ map { $group->{rights}->{$_} = 0 if (!defined $group->{rights}->{$_}); } all_rights();
+ }
+ $sth->finish();
+
+ $main::lxdebug->leave_sub();
+
+ return $groups;
+}
+
+sub save_group {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $group = shift;
+
+ my $form = $main::form;
+ my $dbh = $self->dbconnect();
+
+ my ($query, $sth, $row, $rights);
+
+ if (!$group->{id}) {
+ ($group->{id}) = selectrow_query($form, $dbh, qq|SELECT nextval('auth.group_id_seq')|);
+
+ $query = qq|INSERT INTO auth."group" (id, name, description) VALUES (?, '', '')|;
+ do_query($form, $dbh, $query, $group->{id});
+ }
+
+ do_query($form, $dbh, qq|UPDATE auth."group" SET name = ?, description = ? WHERE id = ?|, map { $group->{$_} } qw(name description id));
+
+ do_query($form, $dbh, qq|DELETE FROM auth.user_group WHERE group_id = ?|, $group->{id});
+
+ $query = qq|INSERT INTO auth.user_group (user_id, group_id) VALUES (?, ?)|;
+ $sth = prepare_query($form, $dbh, $query);
+
+ foreach my $user_id (@{ $group->{members} }) {
+ do_statement($form, $sth, $query, $user_id, $group->{id});
+ }
+ $sth->finish();
+
+ do_query($form, $dbh, qq|DELETE FROM auth.group_rights WHERE group_id = ?|, $group->{id});
+
+ $query = qq|INSERT INTO auth.group_rights (group_id, "right", granted) VALUES (?, ?, ?)|;
+ $sth = prepare_query($form, $dbh, $query);
+
+ foreach my $right (keys %{ $group->{rights} }) {
+ do_statement($form, $sth, $query, $group->{id}, $right, $group->{rights}->{$right} ? 't' : 'f');
+ }
+ $sth->finish();
+
+ $dbh->commit();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub delete_group {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $id = shift;
+
+ my $form = $main::from;
+
+ my $dbh = $self->dbconnect();
+
+ do_query($form, $dbh, qq|DELETE FROM auth.user_group WHERE group_id = ?|, $id);
+ do_query($form, $dbh, qq|DELETE FROM auth.group_rights WHERE group_id = ?|, $id);
+ do_query($form, $dbh, qq|DELETE FROM auth."group" WHERE id = ?|, $id);
+
+ $dbh->commit();
+
+ $main::lxdebug->leave_sub();
+}
+
+sub evaluate_rights_ary {
+ $main::lxdebug->enter_sub(2);
+
+ my $ary = shift;
+
+ my $value = 0;
+ my $action = '|';
+
+ foreach my $el (@{$ary}) {
+ if (ref $el eq "ARRAY") {
+ if ($action eq '|') {
+ $value |= evaluate_rights_ary($el);
+ } else {
+ $value &= evaluate_rights_ary($el);
+ }
+
+ } elsif (($el eq '&') || ($el eq '|')) {
+ $action = $el;
+
+ } elsif ($action eq '|') {
+ $value |= $el;
+
+ } else {
+ $value &= $el;
+
+ }
+ }
+
+ $main::lxdebug->enter_sub(2);
+
+ return $value;
+}
+
+sub _parse_rights_string {
+ $main::lxdebug->enter_sub(2);
+
+ my $self = shift;
+
+ my $login = shift;
+ my $access = shift;
+
+ my @stack;
+ my $cur_ary = [];
+
+ push @stack, $cur_ary;
+
+ while ($access =~ m/^([a-z_0-9]+|\||\&|\(|\)|\s+)/) {
+ my $token = $1;
+ substr($access, 0, length $1) = "";
+
+ next if ($token =~ /\s/);
+
+ if ($token eq "(") {
+ my $new_cur_ary = [];
+ push @stack, $new_cur_ary;
+ push @{$cur_ary}, $new_cur_ary;
+ $cur_ary = $new_cur_ary;
+
+ } elsif ($token eq ")") {
+ pop @stack;
+
+ if (!@stack) {
+ $main::lxdebug->enter_sub(2);
+ return 0;
+ }
+
+ $cur_ary = $stack[-1];
+
+ } elsif (($token eq "|") || ($token eq "&")) {
+ push @{$cur_ary}, $token;
+
+ } else {
+ push @{$cur_ary}, $self->{RIGHTS}->{$login}->{$token} * 1;
+ }
+ }
+
+ my $result = ($access || (1 < scalar @stack)) ? 0 : evaluate_rights_ary($stack[0]);
+
+ $main::lxdebug->enter_sub(2);
+
+ return $result;
+}
+
+sub check_right {
+ $main::lxdebug->enter_sub(2);
+
+ my $self = shift;
+ my $login = shift;
+ my $right = shift;
+ my $default = shift;
+
+ $self->{FULL_RIGHTS} ||= { };
+ $self->{FULL_RIGHTS}->{$login} ||= { };
+
+ if (!defined $self->{FULL_RIGHTS}->{$login}->{$right}) {
+ $self->{RIGHTS} ||= { };
+ $self->{RIGHTS}->{$login} ||= $self->load_rights_for_user($login);
+
+ $self->{FULL_RIGHTS}->{$login}->{$right} = $self->_parse_rights_string($login, $right);
+ }
+
+ my $granted = $self->{FULL_RIGHTS}->{$login}->{$right};
+ $granted = $default if (!defined $granted);
+
+ $main::lxdebug->leave_sub(2);
+
+ return $granted;
+}
+
+sub assert {
+ $main::lxdebug->enter_sub(2);
+
+ my $self = shift;
+ my $right = shift;
+ my $dont_abort = shift;
+
+ my $form = $main::form;
+
+ if ($self->check_right($form->{login}, $right)) {
+ $main::lxdebug->leave_sub(2);
+ return 1;
+ }
+
+ if (!$dont_abort) {
+ delete $form->{title};
+ $form->show_generic_error($main::locale->text("You do not have the permissions to access this function."));
+ }
+
+ $main::lxdebug->leave_sub(2);
+
+ return 0;
+}
+
+sub load_rights_for_user {
+ $main::lxdebug->enter_sub();
+
+ my $self = shift;
+ my $login = shift;
+
+ my $form = $main::form;
+ my $dbh = $self->dbconnect();
+
+ my ($query, $sth, $row, $rights);
+
+ $rights = {};
+
+ $query =
+ qq|SELECT gr."right", gr.granted
+ FROM auth.group_rights gr
+ WHERE group_id IN
+ (SELECT ug.group_id
+ FROM auth.user_group ug
+ LEFT JOIN auth."user" u ON (ug.user_id = u.id)
+ WHERE u.login = ?)|;
+
+ $sth = prepare_execute_query($form, $dbh, $query, $login);
+
+ while ($row = $sth->fetchrow_hashref()) {
+ $rights->{$row->{right}} |= $row->{granted};
+ }
+ $sth->finish();
+
+ map({ $rights->{$_} = 0 unless (defined $rights->{$_}); } SL::Auth::all_rights());
+
+ $main::lxdebug->leave_sub();
+
+ return $rights;
+}
+
+1;