1 package SL::Dispatcher;
5 # Force scripts/locales.pl to parse these templates:
6 # parse_html_template('login_screen/auth_db_unreachable')
7 # parse_html_template('login_screen/user_login')
8 # parse_html_template('generic/error')
11 use SL::System::Process;
12 my $exe_dir = SL::System::Process::exe_dir;
14 unshift @INC, "${exe_dir}/modules/override"; # Use our own versions of various modules (e.g. YAML).
15 push @INC, "${exe_dir}/modules/fallback"; # Only use our own versions of modules if there's no system version.
16 unshift @INC, $exe_dir;
20 use CGI qw( -no_xhtml);
24 use English qw(-no_match_vars);
26 use List::MoreUtils qw(all);
27 use List::Util qw(first);
29 use SL::ArchiveZipFixes;
31 use SL::Dispatcher::AuthHandler;
38 use SL::Helper::DateTime;
39 use SL::InstanceConfiguration;
40 use SL::Template::Plugin::HTMLFixes;
42 # Trailing new line is added so that Perl will not add the line
43 # number 'die' was called in.
44 use constant END_OF_REQUEST => "END-OF-REQUEST\n";
49 my ($class, $interface) = @_;
51 my $self = bless {}, $class;
52 $self->{interface} = lc($interface || 'cgi');
53 $self->{auth_handler} = SL::Dispatcher::AuthHandler->new;
55 SL::ArchiveZipFixes->apply_fixes;
62 return $self->{interface} eq 'cgi' ? 'CGI' : 'FastCGI';
65 sub is_admin_request {
67 return ($params{script} eq 'admin.pl') || (($params{routing_type} eq 'controller') && ($params{script_name} eq 'Admin'));
70 sub pre_request_checks {
73 _check_for_old_config_files();
75 if (!$::auth->session_tables_present && !is_admin_request(%params)) {
76 show_error('login_screen/auth_db_unreachable');
79 if ($::request->type !~ m/^ (?: html | js | json ) $/x) {
80 die $::locale->text("Invalid request type '#1'", $::request->type);
84 sub pre_request_initialization {
85 my ($self, %params) = @_;
87 $self->unrequire_bin_mozilla;
89 $::locale = Locale->new($::lx_office_conf{system}->{language});
91 $::instance_conf = SL::InstanceConfiguration->new;
92 $::request = SL::Request->new(
94 layout => SL::Layout::None->new,
97 my $session_result = $::auth->restore_session;
98 $::auth->create_or_refresh_session;
100 if ($params{client}) {
101 $::auth->set_client($params{client}) || die("cannot find client " . $params{client});
103 if ($params{login}) {
104 die "cannot find user " . $params{login} unless %::myconfig = $::auth->read_user(login => $params{login});
105 die "cannot find locale for user " . $params{login} unless $::locale = Locale->new($::myconfig{countrycode});
107 $::form->{login} = $params{login}; # normaly implicit at login
111 return $session_result;
114 sub render_error_ajax {
119 ->render(SL::Controller::Base->new);
123 $::lxdebug->enter_sub;
124 my $template = shift;
125 my $error_type = shift || '';
128 $::myconfig{countrycode} = delete($params{countrycode}) || $::lx_office_conf{system}->{language};
129 $::locale = Locale->new($::myconfig{countrycode});
130 $::form->{error} = $::locale->text('The session is invalid or has expired.') if ($error_type eq 'session');
131 $::form->{error} = $::locale->text('Incorrect password!') if ($error_type eq 'password');
132 $::form->{error} = $::locale->text('The action is missing or invalid.') if ($error_type eq 'action');
134 return render_error_ajax($::form->{error}) if $::request->is_ajax;
137 print $::form->parse_html_template($template, \%params);
138 $::lxdebug->leave_sub;
143 sub pre_startup_setup {
146 SL::LxOfficeConf->read;
150 require "bin/mozilla/common.pl";
151 require "bin/mozilla/installationcheck.pl";
152 } or die $EVAL_ERROR;
154 # canonial globals. if it's not here, chances are it will get refactored someday.
157 $::lxdebug = LXDebug->new;
158 $::auth = SL::Auth->new;
164 $SIG{__WARN__} = sub {
165 $::lxdebug->warn(@_);
168 $SIG{__DIE__} = sub { Carp::confess( @_ ) } if $::lx_office_conf{debug}->{backtrace_on_die};
170 $self->_cache_file_modification_times;
173 sub pre_startup_checks {
174 ::verify_installation();
179 $self->pre_startup_setup;
180 $self->pre_startup_checks;
183 sub require_main_code {
184 $::lxdebug->enter_sub;
185 my ($script, $suffix) = @_;
189 require "bin/mozilla/$script$suffix";
190 } or die $EVAL_ERROR;
192 if (-f "bin/mozilla/custom_$script$suffix") {
195 require "bin/mozilla/custom_$script$suffix";
197 $::form->error($EVAL_ERROR) if ($EVAL_ERROR);
199 if ($::form->{login} && -f "bin/mozilla/$::form->{login}_$script") {
202 require "bin/mozilla/$::form->{login}_$script";
204 $::form->error($EVAL_ERROR) if ($EVAL_ERROR);
206 $::lxdebug->leave_sub;
209 sub _require_controller {
210 my $controller = shift;
211 $controller =~ s|[^A-Za-z0-9_]||g;
212 $controller = "SL/Controller/${controller}";
216 require "${controller}.pm";
217 } or die $EVAL_ERROR;
220 sub _run_controller {
221 "SL::Controller::$_[0]"->new->_run_action($_[1]);
226 $self->{request} = shift;
228 $::lxdebug->enter_sub;
229 $::lxdebug->begin_request;
231 my ($script, $path, $suffix, $script_name, $action, $routing_type);
233 my $session_result = $self->pre_request_initialization;
235 $::form->read_cgi_input;
238 eval { %routing = $self->_route_request($ENV{SCRIPT_NAME}); 1; } or return;
239 ($routing_type, $script_name, $action) = @routing{qw(type controller action)};
240 $::lxdebug->log_request($routing_type, $script_name, $action);
242 $::request->type(lc($routing{request_type} || 'html'));
244 if ($routing_type eq 'old') {
245 $::form->{action} = lc $::form->{action};
246 $::form->{action} =~ s/( |-|,|\#)/_/g;
248 ($script, $path, $suffix) = fileparse($script_name, ".pl");
249 require_main_code($script, $suffix) unless $script eq 'admin';
251 $::form->{script} = $script . $suffix;
254 _require_controller($script_name);
255 $::form->{script} = "controller.pl";
259 pre_request_checks(script => $script, action => $action, routing_type => $routing_type, script_name => $script_name);
261 if ( SL::System::InstallationLock->is_locked
262 && !is_admin_request(script => $script, script_name => $script_name, routing_type => $routing_type)) {
263 $::form->error($::locale->text('System currently down for maintenance!'));
266 # For compatibility with a lot of database upgrade scripts etc:
267 # Re-write request to old 'login.pl?action=login' to new
268 # 'LoginScreen' controller. Make sure to load its code!
269 if (($script eq 'login') && ($action eq 'login')) {
270 ($routing_type, $script, $script_name, $action) = qw(controller controller LoginScreen login);
271 _require_controller('LoginScreen');
274 if ( (($script eq 'login') && !$action)
275 || ($script eq 'admin')
276 || (SL::Auth::SESSION_EXPIRED() == $session_result)) {
277 $self->redirect_to_login(script => $script, error => 'session');
281 my %auth_result = $self->{auth_handler}->handle(
282 routing_type => $routing_type,
284 controller => $script_name,
288 ::end_of_request() unless $auth_result{auth_ok};
290 delete @{ $::form }{ grep { m/^\{AUTH\}/ } keys %{ $::form } } unless $auth_result{keep_auth_vars};
293 $::form->set_standard_title;
294 if ($routing_type eq 'old') {
295 ::call_sub('::' . $::locale->findsub($action));
297 _run_controller($script_name, $action);
300 $::form->error($::locale->text('action= not defined!'));
305 if (substr($EVAL_ERROR, 0, length(END_OF_REQUEST())) ne END_OF_REQUEST()) {
306 my $error = $EVAL_ERROR;
309 if ($::request->is_ajax) {
310 eval { render_error_ajax($error) };
312 $::form->{label_error} = $::request->{cgi}->pre($error);
313 chdir SL::System::Process::exe_dir;
314 eval { show_error('generic/error') };
322 $::auth->save_session;
323 $::auth->expire_sessions;
330 Form::disconnect_standard_dbh;
332 $::lxdebug->end_request;
334 $self->_watch_for_changed_files;
336 $::lxdebug->leave_sub;
339 sub redirect_to_login {
340 my ($self, %params) = @_;
341 my $action = ($params{script} // '') =~ m/^admin/i ? 'Admin/login' : 'LoginScreen/user_login';
342 $action .= '&error=' . $params{error} if $params{error};
344 print $::request->cgi->redirect("controller.pl?action=${action}");
348 sub unrequire_bin_mozilla {
350 return unless $self->_interface_is_fcgi;
353 next unless m#^bin/mozilla/#;
354 next if /\bcommon.pl$/;
355 next if /\binstallationcheck.pl$/;
360 sub _interface_is_fcgi {
362 return $self->{interface} =~ m/^(?:fastcgi|fcgid|fcgi)$/;
366 my ($self, $script_name) = @_;
368 return $script_name =~ m/dispatcher\.pl$/ ? (type => 'old', $self->_route_dispatcher_request)
369 : $script_name =~ m/controller\.pl/ ? (type => 'controller', $self->_route_controller_request)
370 : (type => 'old', controller => $script_name, action => $::form->{action});
373 sub _route_dispatcher_request {
375 my $name_re = qr{[a-z]\w*};
376 my ($script_name, $action);
379 die "Unroutable request -- invalid module name.\n" if !$::form->{M} || ($::form->{M} !~ m/^${name_re}$/);
380 $script_name = $::form->{M} . '.pl';
383 $action = $::form->{A};
386 $action = first { m/^A_${name_re}$/ } keys %{ $::form };
387 die "Unroutable request -- invalid action name.\n" if !$action;
389 delete $::form->{$action};
390 $action = substr $action, 2;
393 delete @{$::form}{qw(M A)};
397 $::form->{label_error} = $::request->{cgi}->pre($EVAL_ERROR);
398 show_error('generic/error');
401 return (controller => $script_name, action => $action);
404 sub _route_controller_request {
406 my ($controller, $action, $request_type);
409 # Redirect simple requests to controller.pl without any GET/POST
410 # param to the login page.
411 $self->redirect_to_login(error => 'action') if !$::form->{action};
413 # Show an error if the »action« parameter doesn't match the
414 # pattern »Controller/action«.
415 $::form->{action} =~ m|^ ( [A-Z] [A-Za-z0-9_]* ) / ( [a-z] [a-z0-9_]* ) ( \. [a-zA-Z]+ )? $|x || die "Unroutable request -- invalid controller/action.\n";
416 ($controller, $action) = ($1, $2);
417 delete $::form->{action};
419 $request_type = $3 ? lc(substr($3, 1)) : 'html';
423 $::form->{label_error} = $::request->{cgi}->pre($EVAL_ERROR);
424 show_error('generic/error');
427 return (controller => $controller, action => $action, request_type => $request_type);
430 sub _cache_file_modification_times {
433 return unless $self->_interface_is_fcgi && $::lx_office_conf{debug}->{restart_fcgi_process_on_changes};
439 return unless $File::Find::name =~ m/\.(?:pm|f?pl|html|conf|conf\.default)$/;
440 $fcgi_file_cache{ $File::Find::name } = (stat $File::Find::name)[9];
443 my $cwd = POSIX::getcwd();
444 File::Find::find($wanted, map { "${cwd}/${_}" } qw(config bin SL templates/webpages));
445 map { my $name = "${cwd}/${_}"; $fcgi_file_cache{$name} = (stat $name)[9] } qw(admin.pl dispatcher.fpl);
448 sub _watch_for_changed_files {
451 return unless $self->_interface_is_fcgi && $::lx_office_conf{debug}->{restart_fcgi_process_on_changes};
453 my $ok = all { (stat($_))[9] == $fcgi_file_cache{$_} } keys %fcgi_file_cache;
455 $::lxdebug->message(LXDebug::DEBUG1(), "Program modifications detected. Restarting.");
459 sub get_standard_filehandles {
462 return $self->{interface} =~ m/f(?:ast)cgi/i ? $self->{request}->GetHandles() : (\*STDIN, \*STDOUT, \*STDERR);
465 sub _check_for_old_config_files {
466 my @old_files = grep { -f "config/${_}" } qw(authentication.pl console.conf lx-erp.conf lx-erp-local.conf);
467 return unless @old_files;
469 $::form->{title} = $::locale->text('Old configuration files');
471 print $::form->parse_html_template('login_screen/old_configuration_files', { FILES => \@old_files });
481 die SL::Dispatcher->END_OF_REQUEST;