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package SL::Dispatcher;
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use strict;
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BEGIN {
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unshift @INC, "modules/override"; # Use our own versions of various modules (e.g. YAML).
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push @INC, "modules/fallback"; # Only use our own versions of modules if there's no system version.
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push @INC, "SL"; # FCGI won't find modules that are not properly named. Help it by inclduging SL
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}
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use CGI qw( -no_xhtml);
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use English qw(-no_match_vars);
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use SL::Auth;
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use SL::LXDebug;
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use SL::Locale;
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use SL::Common;
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use Form;
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use List::Util qw(first);
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use File::Basename;
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# Trailing new line is added so that Perl will not add the line
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# number 'die' was called in.
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use constant END_OF_REQUEST => "END-OF-REQUEST\n";
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sub new {
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my ($class, $interface) = @_;
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my $self = bless {}, $class;
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$self->{interface} = lc($interface || 'cgi');
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return $self;
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}
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sub pre_request_checks {
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if (!$::auth->session_tables_present) {
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if ($::form->{script} eq 'admin.pl') {
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::run();
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::end_of_request();
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} else {
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show_error('login/auth_db_unreachable');
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}
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}
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$::auth->expire_sessions;
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}
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sub show_error {
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$::lxdebug->enter_sub;
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my $template = shift;
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my $error_type = shift || '';
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$::locale = Locale->new($::language);
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$::form->{error} = $::locale->text('The session is invalid or has expired.') if ($error_type eq 'session');
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$::form->{error} = $::locale->text('Incorrect password!.') if ($error_type eq 'password');
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$::myconfig{countrycode} = $::language;
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$::form->{stylesheet} = 'css/lx-office-erp.css';
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$::form->header;
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print $::form->parse_html_template($template);
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$::lxdebug->leave_sub;
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::end_of_request();
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}
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sub pre_startup_setup {
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eval {
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package main;
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require "config/lx-erp.conf";
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};
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eval {
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package main;
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require "config/lx-erp-local.conf";
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} if -f "config/lx-erp-local.conf";
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eval {
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package main;
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require "bin/mozilla/common.pl";
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require "bin/mozilla/installationcheck.pl";
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} or die $EVAL_ERROR;
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# canonial globals. if it's not here, chances are it will get refactored someday.
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{
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no warnings 'once';
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$::userspath = "users";
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$::templates = "templates";
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$::memberfile = "users/members";
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$::menufile = "menu.ini";
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$::sendmail = "| /usr/sbin/sendmail -t";
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$::lxdebug = LXDebug->new;
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$::auth = SL::Auth->new;
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$::form = undef;
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%::myconfig = ();
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%::called_subs = (); # currently used for recursion detection
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}
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$SIG{__WARN__} = sub {
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$::lxdebug->warn(@_);
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}
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}
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sub pre_startup_checks {
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::verify_installation();
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}
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sub pre_startup {
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pre_startup_setup();
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pre_startup_checks();
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}
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sub require_main_code {
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$::lxdebug->enter_sub;
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my ($script, $suffix) = @_;
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eval {
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package main;
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require "bin/mozilla/$script$suffix";
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} or die $EVAL_ERROR;
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if (-f "bin/mozilla/custom_$script$suffix") {
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eval {
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package main;
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require "bin/mozilla/custom_$script$suffix";
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};
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$::form->error($EVAL_ERROR) if ($EVAL_ERROR);
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}
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if ($::form->{login} && -f "bin/mozilla/$::form->{login}_$script") {
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eval {
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package main;
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require "bin/mozilla/$::form->{login}_$script";
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};
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$::form->error($EVAL_ERROR) if ($EVAL_ERROR);
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}
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$::lxdebug->leave_sub;
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}
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sub _require_controller {
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my $controller = shift;
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$controller =~ s|[^A-Za-z0-9_]||g;
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eval {
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package main;
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require "SL/Controller/${controller}.pm";
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} or die $EVAL_ERROR;
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}
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sub _run_controller {
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"SL::Controller::$_[0]"->new->_run_action($_[1]);
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}
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sub handle_request {
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my $self = shift;
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$self->{request} = shift;
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$::lxdebug->enter_sub;
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$::lxdebug->begin_request;
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my ($script, $path, $suffix, $script_name, $action, $routing_type);
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$script_name = $ENV{SCRIPT_NAME};
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$self->unrequire_bin_mozilla;
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$::cgi = CGI->new('');
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$::locale = Locale->new($::language);
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$::form = Form->new;
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%::called_subs = ();
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eval { ($routing_type, $script_name, $action) = _route_request($script_name); 1; } or return;
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if ($routing_type eq 'old') {
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$::form->{action} = lc $::form->{action};
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$::form->{action} =~ s/( |-|,|\#)/_/g;
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($script, $path, $suffix) = fileparse($script_name, ".pl");
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require_main_code($script, $suffix);
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$::form->{script} = $script . $suffix;
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} else {
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_require_controller($script_name);
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$::form->{script} = "controller.pl";
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}
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pre_request_checks();
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eval {
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my $session_result = $::auth->restore_session;
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$::auth->create_or_refresh_session;
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$::form->error($::locale->text('System currently down for maintenance!')) if -e "$::userspath/nologin" && $script ne 'admin';
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if ($script eq 'login' or $script eq 'admin' or $script eq 'kopf') {
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$::form->{titlebar} = "Lx-Office " . $::locale->text('Version') . " $::form->{version}";
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::run($session_result);
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} else {
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show_error('login/password_error', 'session') if SL::Auth::SESSION_EXPIRED == $session_result;
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%::myconfig = $::auth->read_user($::form->{login});
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show_error('login/password_error', 'password') unless $::myconfig{login};
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$::locale = Locale->new($::myconfig{countrycode});
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show_error('login/password_error', 'password') if SL::Auth::OK != $::auth->authenticate($::form->{login}, $::form->{password}, 0);
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$::auth->set_session_value('login', $::form->{login}, 'password', $::form->{password});
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$::auth->create_or_refresh_session;
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$::auth->delete_session_value('FLASH')->save_session();
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delete $::form->{password};
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if ($action) {
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map { $::form->{$_} = $::myconfig{$_} } qw(stylesheet charset)
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unless $action eq 'save' && $::form->{type} eq 'preferences';
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$::form->set_standard_title;
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if ($routing_type eq 'old') {
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::call_sub('::' . $::locale->findsub($action));
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} else {
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_run_controller($script_name, $action);
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}
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} else {
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$::form->error($::locale->text('action= not defined!'));
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}
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}
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1;
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} or do {
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if ($EVAL_ERROR ne END_OF_REQUEST) {
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$::form->{label_error} = $::cgi->pre($EVAL_ERROR);
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eval { show_error('generic/error') };
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}
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};
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# cleanup
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$::locale = undef;
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$::form = undef;
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$::myconfig = ();
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Form::disconnect_standard_dbh();
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$::lxdebug->end_request;
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$::lxdebug->leave_sub;
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}
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sub unrequire_bin_mozilla {
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my $self = shift;
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return unless $self->{interface} =~ m/^(?:fastcgi|fcgid|fcgi)$/;
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for (keys %INC) {
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next unless m#^bin/mozilla/#;
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next if /\bcommon.pl$/;
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next if /\binstallationcheck.pl$/;
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delete $INC{$_};
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}
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}
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sub _route_request {
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my $script_name = shift;
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return $script_name =~ m/dispatcher\.pl$/ ? ('old', _route_dispatcher_request())
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: $script_name =~ m/controller\.pl/ ? ('controller', _route_controller_request())
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: ('old', $script_name, $::form->{action});
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}
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sub _route_dispatcher_request {
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my $name_re = qr{[a-z]\w*};
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my ($script_name, $action);
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eval {
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die "Unroutable request -- inavlid module name.\n" if !$::form->{M} || ($::form->{M} !~ m/^${name_re}$/);
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$script_name = $::form->{M} . '.pl';
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if ($::form->{A}) {
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$action = $::form->{A};
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} else {
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$action = first { m/^A_${name_re}$/ } keys %{ $::form };
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die "Unroutable request -- inavlid action name.\n" if !$action;
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delete $::form->{$action};
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$action = substr $action, 2;
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}
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delete @{$::form}{qw(M A)};
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1;
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} or do {
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$::form->{label_error} = $::cgi->pre($EVAL_ERROR);
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show_error('generic/error');
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};
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return ($script_name, $action);
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}
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sub _route_controller_request {
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my ($controller, $action);
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eval {
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$::form->{action} =~ m|^ ( [A-Z] [A-Za-z0-9_]* ) / ( [a-z] [a-z0-9_]* ) $|x || die "Unroutable request -- inavlid controller/action.\n";
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($controller, $action) = ($1, $2);
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delete $::form->{action};
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1;
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} or do {
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$::form->{label_error} = $::cgi->pre($EVAL_ERROR);
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show_error('generic/error');
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};
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return ($controller, $action);
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}
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sub get_standard_filehandles {
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my $self = shift;
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return $self->{interface} =~ m/f(?:ast)cgi/i ? $self->{request}->GetHandles() : (\*STDIN, \*STDOUT, \*STDERR);
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}
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package main;
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use strict;
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sub end_of_request {
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die SL::Dispatcher->END_OF_REQUEST;
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}
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1;
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