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58 use vars qw($Config $System $SystemUser $Nobody $Handle $Logger $_Privileged $_Unprivileged $_INSTALL_MODE);
73 $MasonLocalComponentRoot
78 RT->LoadGeneratedData();
86 A fully featured request tracker package
94 Load RT's config file. First, the site configuration file
95 (F<RT_SiteConfig.pm>) is loaded, in order to establish overall site
96 settings like hostname and name of RT instance. Then, the core
97 configuration file (F<RT_Config.pm>) is loaded to set fallback values
98 for all settings; it bases some values on settings from the site
101 In order for the core configuration to not override the site's
102 settings, the function C<Set> is used; it only sets values if they
103 have not been set already.
109 $Config = RT::Config->new;
110 $Config->LoadConfigs;
113 # RT::Essentials mistakenly recommends that WebPath be set to '/'.
114 # If the user does that, do what they mean.
115 $RT::WebPath = '' if ($RT::WebPath eq '/');
117 # fix relative LogDir and GnuPG homedir
118 unless ( File::Spec->file_name_is_absolute( $Config->Get('LogDir') ) ) {
119 $Config->Set( LogDir =>
120 File::Spec->catfile( $BasePath, $Config->Get('LogDir') ) );
123 my $gpgopts = $Config->Get('GnuPGOptions');
124 unless ( File::Spec->file_name_is_absolute( $gpgopts->{homedir} ) ) {
125 $gpgopts->{homedir} = File::Spec->catfile( $BasePath, $gpgopts->{homedir} );
133 L<Connects to the database|/ConnectToDatabase>, L<initilizes system
134 objects|/InitSystemObjects>, L<preloads classes|/InitClasses>, L<sets
135 up logging|/InitLogging>, and L<loads plugins|/InitPlugins>.
141 CheckPerlRequirements();
145 #Get a database connection
152 RT->Config->PostLoadCheck;
156 =head2 ConnectToDatabase
158 Get a database connection. See also L</Handle>.
162 sub ConnectToDatabase {
164 $Handle = RT::Handle->new unless $Handle;
171 Create the Logger object and set up signal handlers.
177 # We have to set the record separator ($, man perlvar)
178 # or Log::Dispatch starts getting
179 # really pissy, as some other module we use unsets it.
181 use Log::Dispatch 1.6;
184 map( { $_ => } 0..7 ),
189 error => 4, 'err' => 4,
190 critical => 5, crit => 5,
192 emergency => 7, emerg => 7,
195 unless ( $RT::Logger ) {
197 $RT::Logger = Log::Dispatch->new;
199 my $stack_from_level;
200 if ( $stack_from_level = RT->Config->Get('LogStackTraces') ) {
201 # if option has old style '\d'(true) value
202 $stack_from_level = 0 if $stack_from_level =~ /^\d+$/;
203 $stack_from_level = $level_to_num{ $stack_from_level } || 0;
205 $stack_from_level = 99; # don't log
208 my $simple_cb = sub {
209 # if this code throw any warning we can get segfault
213 # skip Log::* stack frames
215 $frame++ while caller($frame) && caller($frame) =~ /^Log::/;
216 my ($package, $filename, $line) = caller($frame);
218 $p{'message'} =~ s/(?:\r*\n)+$//;
219 return "[". gmtime(time) ."] [". $p{'level'} ."]: "
220 . $p{'message'} ." ($filename:$line)\n";
223 my $syslog_cb = sub {
224 # if this code throw any warning we can get segfault
228 my $frame = 0; # stack frame index
229 # skip Log::* stack frames
230 $frame++ while caller($frame) && caller($frame) =~ /^Log::/;
231 my ($package, $filename, $line) = caller($frame);
233 # syswrite() cannot take utf8; turn it off here.
234 Encode::_utf8_off($p{message});
236 $p{message} =~ s/(?:\r*\n)+$//;
237 if ($p{level} eq 'debug') {
238 return "$p{message}\n";
240 return "$p{message} ($filename:$line)\n";
247 return $p{'message'} unless $level_to_num{ $p{'level'} } >= $stack_from_level;
249 require Devel::StackTrace;
250 my $trace = Devel::StackTrace->new( ignore_class => [ 'Log::Dispatch', 'Log::Dispatch::Base' ] );
251 return $p{'message'} . $trace->as_string;
253 # skip calling of the Log::* subroutins
255 $frame++ while caller($frame) && caller($frame) =~ /^Log::/;
256 $frame++ while caller($frame) && (caller($frame))[3] =~ /^Log::/;
258 $p{'message'} .= "\nStack trace:\n";
259 while( my ($package, $filename, $line, $sub) = caller($frame++) ) {
260 $p{'message'} .= "\t$sub(...) called at $filename:$line\n";
262 return $p{'message'};
265 if ( $Config->Get('LogToFile') ) {
266 my ($filename, $logdir) = (
267 $Config->Get('LogToFileNamed') || 'rt.log',
268 $Config->Get('LogDir') || File::Spec->catdir( $VarPath, 'log' ),
270 if ( $filename =~ m![/\\]! ) { # looks like an absolute path.
271 ($logdir) = $filename =~ m{^(.*[/\\])};
274 $filename = File::Spec->catfile( $logdir, $filename );
277 unless ( -d $logdir && ( ( -f $filename && -w $filename ) || -w $logdir ) ) {
278 # localizing here would be hard when we don't have a current user yet
279 die "Log file '$filename' couldn't be written or created.\n RT can't run.";
282 require Log::Dispatch::File;
283 $RT::Logger->add( Log::Dispatch::File->new
285 min_level=> $Config->Get('LogToFile'),
286 filename=> $filename,
288 callbacks => [ $simple_cb, $stack_cb ],
291 if ( $Config->Get('LogToScreen') ) {
292 require Log::Dispatch::Screen;
293 $RT::Logger->add( Log::Dispatch::Screen->new
295 min_level => $Config->Get('LogToScreen'),
296 callbacks => [ $simple_cb, $stack_cb ],
300 if ( $Config->Get('LogToSyslog') ) {
301 require Log::Dispatch::Syslog;
302 $RT::Logger->add(Log::Dispatch::Syslog->new
305 min_level => $Config->Get('LogToSyslog'),
306 callbacks => [ $syslog_cb, $stack_cb ],
308 $Config->Get('LogToSyslogConf'),
312 InitSignalHandlers();
315 sub InitSignalHandlers {
318 ## This is the default handling of warnings and die'ings in the code
319 ## (including other used modules - maybe except for errors catched by
320 ## Mason). It will log all problems through the standard logging
321 ## mechanism (see above).
323 $SIG{__WARN__} = sub {
324 # The 'wide character' warnings has to be silenced for now, at least
325 # until HTML::Mason offers a sane way to process both raw output and
327 # use 'goto &foo' syntax to hide ANON sub from stack
328 if( index($_[0], 'Wide character in ') != 0 ) {
329 unshift @_, $RT::Logger, qw(level warning message);
330 goto &Log::Dispatch::log;
334 #When we call die, trap it and log->crit with the value of the die.
336 $SIG{__DIE__} = sub {
337 # if we are not in eval and perl is not parsing code
338 # then rollback transactions and log RT error
339 unless ($^S || !defined $^S ) {
340 $RT::Handle->Rollback(1) if $RT::Handle;
341 $RT::Logger->crit("$_[0]") if $RT::Logger;
348 sub CheckPerlRequirements {
349 if ($^V < 5.008003) {
350 die sprintf "RT requires Perl v5.8.3 or newer. Your current Perl is v%vd\n", $^V;
353 # use $error here so the following "die" can still affect the global $@
360 require Scalar::Util;
361 Scalar::Util::weaken($y);
369 RT requires the Scalar::Util module be built with support for the 'weaken'
372 It is sometimes the case that operating system upgrades will replace
373 a working Scalar::Util with a non-working one. If your system was working
374 correctly up until now, this is likely the cause of the problem.
376 Please reinstall Scalar::Util, being careful to let it build with your C
377 compiler. Usually this is as simple as running the following command as
380 perl -MCPAN -e'install Scalar::Util'
389 Load all modules that define base classes.
394 shift if @_%2; # so we can call it as a function or method
397 require RT::Transactions;
398 require RT::Attachments;
400 require RT::Principals;
401 require RT::CurrentUser;
402 require RT::Templates;
404 require RT::ScripActions;
405 require RT::ScripConditions;
408 require RT::GroupMembers;
409 require RT::CustomFields;
410 require RT::CustomFieldValues;
411 require RT::ObjectCustomFields;
412 require RT::ObjectCustomFieldValues;
413 require RT::Attributes;
414 require RT::Dashboard;
415 require RT::Approval;
416 require RT::Lifecycle;
420 require RT::Articles;
423 require RT::ObjectClass;
424 require RT::ObjectClasses;
425 require RT::ObjectTopic;
426 require RT::ObjectTopics;
430 # on a cold server (just after restart) people could have an object
431 # in the session, as we deserialize it so we never call constructor
432 # of the class, so the list of accessible fields is empty and we die
433 # with "Method xxx is not implemented in RT::SomeClass"
435 # without this, we also can never call _ClassAccessible, because we
436 # won't have filled RT::Record::_TABLE_ATTR
437 $_->_BuildTableAttributes foreach qw(
452 RT::ObjectCustomField
453 RT::ObjectCustomFieldValue
464 if ( $args{'Heavy'} ) {
465 # load scrips' modules
466 my $scrips = RT::Scrips->new(RT->SystemUser);
467 $scrips->Limit( FIELD => 'Stage', OPERATOR => '!=', VALUE => 'Disabled' );
468 while ( my $scrip = $scrips->Next ) {
470 eval { $scrip->LoadModules } or
471 $RT::Logger->error("Invalid Scrip ".$scrip->Id.". Unable to load the Action or Condition. ".
472 "You should delete or repair this Scrip in the admin UI.\n$@\n");
475 foreach my $class ( grep $_, RT->Config->Get('CustomFieldValuesSources') ) {
477 eval "require $class; 1" or $RT::Logger->error(
478 "Class '$class' is listed in CustomFieldValuesSources option"
479 ." in the config, but we failed to load it:\n$@\n"
486 =head2 InitSystemObjects
488 Initializes system objects: C<$RT::System>, C<< RT->SystemUser >>
489 and C<< RT->Nobody >>.
493 sub InitSystemObjects {
495 #RT's system user is a genuine database user. its id lives here
496 require RT::CurrentUser;
497 $SystemUser = RT::CurrentUser->new;
498 $SystemUser->LoadByName('RT_System');
500 #RT's "nobody user" is a genuine database user. its ID lives here.
501 $Nobody = RT::CurrentUser->new;
502 $Nobody->LoadByName('Nobody');
505 $System = RT::System->new( $SystemUser );
512 Returns the current L<config object|RT::Config>, but note that
513 you must L<load config|/LoadConfig> first otherwise this method
516 Method can be called as class method.
520 sub Config { return $Config || shift->LoadConfig(); }
522 =head2 DatabaseHandle
524 Returns the current L<database handle object|RT::Handle>.
526 See also L</ConnectToDatabase>.
530 sub DatabaseHandle { return $Handle }
534 Returns the logger. See also L</InitLogging>.
538 sub Logger { return $Logger }
542 Returns the current L<system object|RT::System>. See also
543 L</InitSystemObjects>.
547 sub System { return $System }
551 Returns the system user's object, it's object of
552 L<RT::CurrentUser> class that represents the system. See also
553 L</InitSystemObjects>.
557 sub SystemUser { return $SystemUser }
561 Returns object of Nobody. It's object of L<RT::CurrentUser> class
562 that represents a user who can own ticket and nothing else. See
563 also L</InitSystemObjects>.
567 sub Nobody { return $Nobody }
569 sub PrivilegedUsers {
571 $_Privileged = RT::Group->new(RT->SystemUser);
572 $_Privileged->LoadSystemInternalGroup('Privileged');
577 sub UnprivilegedUsers {
578 if (!$_Unprivileged) {
579 $_Unprivileged = RT::Group->new(RT->SystemUser);
580 $_Unprivileged->LoadSystemInternalGroup('Unprivileged');
582 return $_Unprivileged;
588 Returns a listref of all Plugins currently configured for this RT instance.
589 You can define plugins by adding them to the @Plugins list in your RT_SiteConfig
597 $self->InitPluginPaths;
598 @PLUGINS = $self->InitPlugins;
605 Takes an optional subdir (e.g. po, lib, etc.) and returns a list of
606 directories from plugins where that subdirectory exists.
608 This code does not check plugin names, plugin validitity, or load
609 plugins (see L</InitPlugins>) in any way, and requires that RT's
610 configuration have been already loaded.
621 foreach my $plugin (grep $_, RT->Config->Get('Plugins')) {
622 my $path = RT::Plugin->new( name => $plugin )->Path( $subdir );
623 next unless -d $path;
629 =head2 InitPluginPaths
631 Push plugins' lib paths into @INC right after F<local/lib>.
632 In case F<local/lib> isn't in @INC, append them to @INC
636 sub InitPluginPaths {
637 my $self = shift || __PACKAGE__;
639 my @lib_dirs = $self->PluginDirs('lib');
644 if ( Cwd::realpath($_) eq $RT::LocalLibPath) {
645 push @tmp_inc, $_, @lib_dirs;
652 # append @lib_dirs in case $RT::LocalLibPath isn't in @INC
653 push @tmp_inc, @lib_dirs unless $added;
656 @INC = grep !$seen{$_}++, @tmp_inc;
661 Initialize all Plugins found in the RT configuration file, setting up
662 their lib and L<HTML::Mason> component roots.
670 foreach my $plugin (grep $_, RT->Config->Get('Plugins')) {
672 die $UNIVERSAL::require::ERROR if ($UNIVERSAL::require::ERROR);
673 push @plugins, RT::Plugin->new(name =>$plugin);
682 my ($integrity, $state, $msg) = RT::Handle->CheckIntegrity;
683 if ($_[0] and $integrity) {
684 # Trying to turn install mode on but we have a good DB!
687 Carp::longmess("Something tried to turn on InstallMode but we have DB integrity!")
691 $_INSTALL_MODE = shift;
693 require RT::CurrentUser;
694 $SystemUser = RT::CurrentUser->new();
698 return $_INSTALL_MODE;
701 sub LoadGeneratedData {
703 my $pm_path = ( File::Spec->splitpath( $INC{'RT.pm'} ) )[1];
705 require "$pm_path/RT/Generated.pm" || die "Couldn't load RT::Generated: $@";
706 $class->CanonicalizeGeneratedPaths();
709 sub CanonicalizeGeneratedPaths {
711 unless ( File::Spec->file_name_is_absolute($EtcPath) ) {
713 # if BasePath exists and is absolute, we won't infer it from $INC{'RT.pm'}.
714 # otherwise RT.pm will make the source dir(where we configure RT) be the
715 # BasePath instead of the one specified by --prefix
716 unless ( -d $BasePath
717 && File::Spec->file_name_is_absolute($BasePath) )
719 my $pm_path = ( File::Spec->splitpath( $INC{'RT.pm'} ) )[1];
721 # need rel2abs here is to make sure path is absolute, since $INC{'RT.pm'}
722 # is not always absolute
723 $BasePath = File::Spec->rel2abs(
724 File::Spec->catdir( $pm_path, File::Spec->updir ) );
727 $BasePath = Cwd::realpath($BasePath);
730 qw/EtcPath BinPath SbinPath VarPath LocalPath LocalEtcPath
731 LocalLibPath LexiconPath LocalLexiconPath PluginPath
732 LocalPluginPath MasonComponentRoot MasonLocalComponentRoot
733 MasonDataDir MasonSessionDir/
738 # just change relative ones
739 $$path = File::Spec->catfile( $BasePath, $$path )
740 unless File::Spec->file_name_is_absolute($$path);
748 helper method to add js files to C<JSFiles> config.
749 to add extra js files, you can add the following line
750 in the plugin's main file:
752 RT->AddJavaScript( 'foo.js', 'bar.js' );
759 my @old = RT->Config->Get('JSFiles');
760 RT->Config->Set( 'JSFiles', @old, @_ );
761 return RT->Config->Get('JSFiles');
764 =head2 AddStyleSheets
766 helper method to add css files to C<CSSFiles> config
768 to add extra css files, you can add the following line
769 in the plugin's main file:
771 RT->AddStyleSheets( 'foo.css', 'bar.css' );
777 my @old = RT->Config->Get('CSSFiles');
778 RT->Config->Set( 'CSSFiles', @old, @_ );
779 return RT->Config->Get('CSSFiles');
784 helper method of RT->Config->Get('JSFiles')
789 return RT->Config->Get('JSFiles');
794 helper method of RT->Config->Get('CSSFiles')
799 return RT->Config->Get('CSSFiles');
804 Please report them to rt-bugs@bestpractical.com, if you know what's
805 broken and have at least some idea of what needs to be fixed.
807 If you're not sure what's going on, report them rt-devel@lists.bestpractical.com.
812 L<DBIx::SearchBuilder>
817 RT::Base->_ImportOverlays();