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 CGI qw( -no_xhtml);
15 use English qw(-no_match_vars);
19 use List::MoreUtils qw(all);
20 use List::Util qw(first);
21 use SL::ArchiveZipFixes;
23 use SL::Dispatcher::AuthHandler;
30 use SL::Helper::DateTime;
31 use SL::InstanceConfiguration;
32 use SL::Template::Plugin::HTMLFixes;
35 use Rose::Object::MakeMethods::Generic (
36 scalar => [ qw(restart_after_request) ],
39 # Trailing new line is added so that Perl will not add the line
40 # number 'die' was called in.
41 use constant END_OF_REQUEST => "END-OF-REQUEST\n";
46 my ($class, $interface) = @_;
48 my $self = bless {}, $class;
49 $self->{interface} = lc($interface || 'cgi');
50 $self->{auth_handler} = SL::Dispatcher::AuthHandler->new;
52 SL::ArchiveZipFixes->apply_fixes;
59 return $self->{interface} eq 'cgi' ? 'CGI' : 'FastCGI';
62 sub is_admin_request {
64 return ($params{script} eq 'admin.pl') || (($params{routing_type} eq 'controller') && ($params{script_name} eq 'Admin'));
67 sub pre_request_checks {
70 _check_for_old_config_files();
72 if (!$::auth->session_tables_present && !is_admin_request(%params)) {
73 show_error('login_screen/auth_db_unreachable');
76 if ($::request->type !~ m/^ (?: html | js | json ) $/x) {
77 die $::locale->text("Invalid request type '#1'", $::request->type);
81 sub pre_request_initialization {
82 my ($self, %params) = @_;
84 $self->unrequire_bin_mozilla;
86 $::locale = Locale->new($::lx_office_conf{system}->{language});
88 $::instance_conf = SL::InstanceConfiguration->new;
89 $::request = SL::Request->new(
91 layout => SL::Layout::None->new,
94 my $session_result = $::auth->restore_session;
95 $::auth->create_or_refresh_session;
97 if ($params{client}) {
98 $::auth->set_client($params{client}) || die("cannot find client " . $params{client});
100 if ($params{login}) {
101 die "cannot find user " . $params{login} unless %::myconfig = $::auth->read_user(login => $params{login});
102 die "cannot find locale for user " . $params{login} unless $::locale = Locale->new($::myconfig{countrycode});
104 $::form->{login} = $params{login}; # normaly implicit at login
108 return $session_result;
111 sub render_error_ajax {
116 ->render(SL::Controller::Base->new);
120 $::lxdebug->enter_sub;
121 my $template = shift;
122 my $error_type = shift || '';
125 $::myconfig{countrycode} = delete($params{countrycode}) || $::lx_office_conf{system}->{language};
126 $::locale = Locale->new($::myconfig{countrycode});
127 $::form->{error} = $::locale->text('The session is invalid or has expired.') if ($error_type eq 'session');
128 $::form->{error} = $::locale->text('Incorrect password!') if ($error_type eq 'password');
129 $::form->{error} = $::locale->text('The action is missing or invalid.') if ($error_type eq 'action');
131 return render_error_ajax($::form->{error}) if $::request->is_ajax;
134 print $::form->parse_html_template($template, \%params);
135 $::lxdebug->leave_sub;
140 sub pre_startup_setup {
143 SL::LxOfficeConf->read;
147 require "bin/mozilla/common.pl";
148 require "bin/mozilla/installationcheck.pl";
149 } or die $EVAL_ERROR;
151 # canonial globals. if it's not here, chances are it will get refactored someday.
154 $::lxdebug = LXDebug->new;
155 $::auth = SL::Auth->new;
158 %::myconfig = User->get_default_myconfig;
161 $SIG{__WARN__} = sub {
162 $::lxdebug->warn(@_);
165 $SIG{__DIE__} = sub { Carp::confess( @_ ) } if $::lx_office_conf{debug}->{backtrace_on_die};
167 $self->_cache_file_modification_times;
170 sub pre_startup_checks {
171 ::verify_installation();
176 $self->pre_startup_setup;
177 $self->pre_startup_checks;
180 sub require_main_code {
181 $::lxdebug->enter_sub;
182 my ($script, $suffix) = @_;
186 require "bin/mozilla/$script$suffix";
187 } or die $EVAL_ERROR;
189 if (-f "bin/mozilla/custom_$script$suffix") {
192 require "bin/mozilla/custom_$script$suffix";
194 $::form->error($EVAL_ERROR) if ($EVAL_ERROR);
196 if ($::form->{login} && -f "bin/mozilla/$::form->{login}_$script") {
199 require "bin/mozilla/$::form->{login}_$script";
201 $::form->error($EVAL_ERROR) if ($EVAL_ERROR);
203 $::lxdebug->leave_sub;
206 sub _require_controller {
207 my $controller = shift;
208 $controller =~ s|[^A-Za-z0-9_]||g;
209 $controller = "SL/Controller/${controller}";
213 require "${controller}.pm";
214 } or die $EVAL_ERROR;
217 sub _run_controller {
218 "SL::Controller::$_[0]"->new->_run_action($_[1]);
221 sub handle_all_requests {
224 my $request = FCGI::Request();
225 while ($request->Accept() >= 0) {
226 $self->handle_request($request);
228 $self->restart_after_request(1) if $self->_interface_is_fcgi && $self->_memory_usage_is_too_high;
229 $request->LastCall if $self->restart_after_request;
232 exec $0 if $self->restart_after_request;
237 $self->{request} = shift;
239 $::lxdebug->enter_sub;
240 $::lxdebug->begin_request;
242 my ($script, $path, $suffix, $script_name, $action, $routing_type);
244 my $session_result = $self->pre_request_initialization;
246 $::form->read_cgi_input;
249 eval { %routing = $self->_route_request($ENV{SCRIPT_NAME}); 1; } or return;
250 ($routing_type, $script_name, $action) = @routing{qw(type controller action)};
251 $::lxdebug->log_request($routing_type, $script_name, $action);
253 $::request->type(lc($routing{request_type} || 'html'));
255 if ($routing_type eq 'old') {
256 $::form->{action} = lc $::form->{action};
257 $::form->{action} =~ s/( |-|,|\#)/_/g;
259 ($script, $path, $suffix) = fileparse($script_name, ".pl");
260 require_main_code($script, $suffix) unless $script eq 'admin';
262 $::form->{script} = $script . $suffix;
265 _require_controller($script_name);
266 $::form->{script} = "controller.pl";
270 pre_request_checks(script => $script, action => $action, routing_type => $routing_type, script_name => $script_name);
272 if ( SL::System::InstallationLock->is_locked
273 && !is_admin_request(script => $script, script_name => $script_name, routing_type => $routing_type)) {
274 $::form->error($::locale->text('System currently down for maintenance!'));
277 # For compatibility with a lot of database upgrade scripts etc:
278 # Re-write request to old 'login.pl?action=login' to new
279 # 'LoginScreen' controller. Make sure to load its code!
280 if (($script eq 'login') && ($action eq 'login')) {
281 ($routing_type, $script, $script_name, $action) = qw(controller controller LoginScreen login);
282 _require_controller('LoginScreen');
285 if ( (($script eq 'login') && !$action)
286 || ($script eq 'admin')
287 || (SL::Auth::SESSION_EXPIRED() == $session_result)) {
288 $self->redirect_to_login(script => $script, error => 'session');
292 my %auth_result = $self->{auth_handler}->handle(
293 routing_type => $routing_type,
295 controller => $script_name,
299 $self->end_request unless $auth_result{auth_ok};
301 delete @{ $::form }{ grep { m/^\{AUTH\}/ } keys %{ $::form } } unless $auth_result{keep_auth_vars};
304 $::form->set_standard_title;
305 if ($routing_type eq 'old') {
306 ::call_sub('::' . $::locale->findsub($action));
308 _run_controller($script_name, $action);
311 $::form->error($::locale->text('action= not defined!'));
316 if (substr($EVAL_ERROR, 0, length(END_OF_REQUEST())) ne END_OF_REQUEST()) {
317 my $error = $EVAL_ERROR;
320 if ($::request->is_ajax) {
321 eval { render_error_ajax($error) };
323 $::form->{label_error} = $::request->{cgi}->pre($error);
324 chdir SL::System::Process::exe_dir;
325 eval { show_error('generic/error') };
332 if ($self->_interface_is_fcgi) {
333 # fcgi? send send reponse on its way before cleanup.
334 $self->{request}->Flush;
335 $self->{request}->Finish;
338 $::lxdebug->end_request(routing_type => $routing_type, script_name => $script_name, action => $action);
341 $::auth->save_session;
342 $::auth->expire_sessions;
350 SL::DBConnect::Cache->reset_all;
352 $self->_watch_for_changed_files;
354 $::lxdebug->leave_sub;
357 sub redirect_to_login {
358 my ($self, %params) = @_;
359 my $action = ($params{script} // '') =~ m/^admin/i ? 'Admin/login' : 'LoginScreen/user_login';
360 $action .= '&error=' . $params{error} if $params{error};
362 print $::request->cgi->redirect("controller.pl?action=${action}");
366 sub unrequire_bin_mozilla {
368 return unless $self->_interface_is_fcgi;
371 next unless m#^bin/mozilla/#;
372 next if /\bcommon.pl$/;
373 next if /\binstallationcheck.pl$/;
378 sub _interface_is_fcgi {
380 return $self->{interface} =~ m/^(?:fastcgi|fcgid|fcgi)$/;
384 my ($self, $script_name) = @_;
386 return $script_name =~ m/dispatcher\.pl$/ ? (type => 'old', $self->_route_dispatcher_request)
387 : $script_name =~ m/controller\.pl/ ? (type => 'controller', $self->_route_controller_request)
388 : (type => 'old', controller => $script_name, action => $::form->{action});
391 sub _route_dispatcher_request {
393 my $name_re = qr{[a-z]\w*};
394 my ($script_name, $action);
397 die "Unroutable request -- invalid module name.\n" if !$::form->{M} || ($::form->{M} !~ m/^${name_re}$/);
398 $script_name = $::form->{M} . '.pl';
401 $action = $::form->{A};
404 $action = first { m/^A_${name_re}$/ } keys %{ $::form };
405 die "Unroutable request -- invalid action name.\n" if !$action;
407 delete $::form->{$action};
408 $action = substr $action, 2;
411 delete @{$::form}{qw(M A)};
415 $::form->{label_error} = $::request->{cgi}->pre($EVAL_ERROR);
416 show_error('generic/error');
419 return (controller => $script_name, action => $action);
422 sub _route_controller_request {
424 my ($controller, $action, $request_type);
427 # Redirect simple requests to controller.pl without any GET/POST
428 # param to the login page.
429 $self->redirect_to_login(error => 'action') if !$::form->{action};
431 # Show an error if the »action« parameter doesn't match the
432 # pattern »Controller/action«.
433 $::form->{action} =~ m|^ ( [A-Z] [A-Za-z0-9_]* ) / ( [a-z] [a-z0-9_]* ) ( \. [a-zA-Z]+ )? $|x || die "Unroutable request -- invalid controller/action.\n";
434 ($controller, $action) = ($1, $2);
435 delete $::form->{action};
437 $request_type = $3 ? lc(substr($3, 1)) : 'html';
441 $::form->{label_error} = $::request->{cgi}->pre($EVAL_ERROR);
442 show_error('generic/error');
445 return (controller => $controller, action => $action, request_type => $request_type);
448 sub _cache_file_modification_times {
451 return unless $self->_interface_is_fcgi && $::lx_office_conf{debug}->{restart_fcgi_process_on_changes};
457 return unless $File::Find::name =~ m/\.(?:pm|f?pl|html|conf|conf\.default)$/;
458 $fcgi_file_cache{ $File::Find::name } = (stat $File::Find::name)[9];
461 my $cwd = POSIX::getcwd();
462 File::Find::find($wanted, map { "${cwd}/${_}" } qw(config bin SL templates/webpages));
463 map { my $name = "${cwd}/${_}"; $fcgi_file_cache{$name} = (stat $name)[9] } qw(admin.pl dispatcher.fpl);
466 sub _watch_for_changed_files {
469 return unless $self->_interface_is_fcgi && $::lx_office_conf{debug}->{restart_fcgi_process_on_changes};
471 my $ok = all { (stat($_))[9] == $fcgi_file_cache{$_} } keys %fcgi_file_cache;
473 $::lxdebug->message(LXDebug::DEBUG1(), "Program modifications detected. Restarting.");
474 $self->restart_after_request(1);
477 sub get_standard_filehandles {
480 return $self->{interface} =~ m/f(?:ast)cgi/i ? $self->{request}->GetHandles() : (\*STDIN, \*STDOUT, \*STDERR);
483 sub _check_for_old_config_files {
484 my @old_files = grep { -f "config/${_}" } qw(authentication.pl console.conf lx-erp.conf lx-erp-local.conf);
485 return unless @old_files;
487 $::form->{title} = $::locale->text('Old configuration files');
489 print $::form->parse_html_template('login_screen/old_configuration_files', { FILES => \@old_files });
494 sub _parse_number_with_unit {
497 return undef unless defined $number;
498 return $number unless $number =~ m{^ \s* (\d+) \s* ([kmg])b \s* $}xi;
500 my %factors = (K => 1024, M => 1024 * 1024, G => 1024 * 1024 * 1024);
502 return $1 * $factors{uc $2};
505 sub _memory_usage_is_too_high {
506 return undef unless $::lx_office_conf{system};
509 rss => _parse_number_with_unit($::lx_office_conf{system}->{memory_limit_rss}),
510 size => _parse_number_with_unit($::lx_office_conf{system}->{memory_limit_vsz}),
513 # $::lxdebug->dump(0, "limits", \%limits);
515 return undef unless $limits{rss} || $limits{vsz};
519 my $in = IO::File->new("/proc/$$/status", "r") or return undef;
523 $usage{lc $1} = _parse_number_with_unit($2) if m{^ vm(rss|size): \s* (\d+ \s* [kmg]b) \s* $}ix;
528 # $::lxdebug->dump(0, "usage", \%usage);
530 foreach my $type (keys %limits) {
531 next if !$limits{$type};
532 next if $limits{$type} >= ($usage{$type} // 0);
534 $::lxdebug->message(LXDebug::WARN(), "Exiting due to memory size limit reached for type '${type}': limit " . $limits{$type} . " bytes, usage " . $usage{$type} . " bytes");
543 die SL::Dispatcher->END_OF_REQUEST;