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58 use vars qw($Config $System $SystemUser $Nobody $Handle $Logger $_INSTALL_MODE);
60 our $VERSION = '3.8.8';
64 our $BasePath = '/opt/rt3';
67 our $SbinPath = 'sbin';
69 our $PluginPath = 'plugins';
70 our $LocalPath = 'local';
71 our $LocalEtcPath = 'local/etc';
72 our $LocalLibPath = 'local/lib';
73 our $LocalLexiconPath = 'local/po';
74 our $LocalPluginPath = $LocalPath."/plugins";
77 # $MasonComponentRoot is where your rt instance keeps its mason html files
79 our $MasonComponentRoot = 'share/html';
81 # $MasonLocalComponentRoot is where your rt instance keeps its site-local
84 our $MasonLocalComponentRoot = 'local/html';
86 # $MasonDataDir Where mason keeps its datafiles
88 our $MasonDataDir = 'var/mason_data';
90 # RT needs to put session data (for preserving state between connections
91 # via the web interface)
92 our $MasonSessionDir = 'var/session_data';
94 unless ( File::Spec->file_name_is_absolute($EtcPath) ) {
96 # if BasePath exists and is absolute, we won't infer it from $INC{'RT.pm'}.
97 # otherwise RT.pm will make src dir(where we configure RT) be the BasePath
98 # instead of the --prefix one
99 unless ( -d $BasePath && File::Spec->file_name_is_absolute($BasePath) ) {
100 my $pm_path = ( File::Spec->splitpath( $INC{'RT.pm'} ) )[1];
102 # need rel2abs here is to make sure path is absolute, since $INC{'RT.pm'}
103 # is not always absolute
106 File::Spec->catdir( $pm_path, File::Spec->updir ) );
109 $BasePath = Cwd::realpath( $BasePath );
111 for my $path ( qw/EtcPath BinPath SbinPath VarPath LocalPath LocalEtcPath
112 LocalLibPath LocalLexiconPath PluginPath LocalPluginPath
113 MasonComponentRoot MasonLocalComponentRoot MasonDataDir
116 # just change relative ones
117 $$path = File::Spec->catfile( $BasePath, $$path )
118 unless File::Spec->file_name_is_absolute( $$path );
129 A fully featured request tracker package
133 =head2 INITIALIZATION
137 Load RT's config file. First, the site configuration file
138 (F<RT_SiteConfig.pm>) is loaded, in order to establish overall site
139 settings like hostname and name of RT instance. Then, the core
140 configuration file (F<RT_Config.pm>) is loaded to set fallback values
141 for all settings; it bases some values on settings from the site
144 In order for the core configuration to not override the site's
145 settings, the function C<Set> is used; it only sets values if they
146 have not been set already.
152 $Config = new RT::Config;
153 $Config->LoadConfigs;
156 # RT::Essentials mistakenly recommends that WebPath be set to '/'.
157 # If the user does that, do what they mean.
158 $RT::WebPath = '' if ($RT::WebPath eq '/');
160 # fix relative LogDir and GnuPG homedir
161 unless ( File::Spec->file_name_is_absolute( $Config->Get('LogDir') ) ) {
162 $Config->Set( LogDir =>
163 File::Spec->catfile( $BasePath, $Config->Get('LogDir') ) );
166 my $gpgopts = $Config->Get('GnuPGOptions');
167 unless ( File::Spec->file_name_is_absolute( $gpgopts->{homedir} ) ) {
168 $gpgopts->{homedir} = File::Spec->catfile( $BasePath, $gpgopts->{homedir} );
176 L<Connect to the database /ConnectToDatabase>, L<initilizes system objects /InitSystemObjects>,
177 L<preloads classes /InitClasses> and L<set up logging /InitLogging>.
183 CheckPerlRequirements();
187 #Get a database connection
193 RT->Config->PostLoadCheck;
197 =head2 ConnectToDatabase
199 Get a database connection. See also </Handle>.
203 sub ConnectToDatabase {
205 $Handle = new RT::Handle unless $Handle;
212 Create the Logger object and set up signal handlers.
218 # We have to set the record separator ($, man perlvar)
219 # or Log::Dispatch starts getting
220 # really pissy, as some other module we use unsets it.
222 use Log::Dispatch 1.6;
225 map( { $_ => } 0..7 ),
230 error => 4, 'err' => 4,
231 critical => 5, crit => 5,
233 emergency => 7, emerg => 7,
236 unless ( $RT::Logger ) {
238 $RT::Logger = Log::Dispatch->new;
240 my $stack_from_level;
241 if ( $stack_from_level = RT->Config->Get('LogStackTraces') ) {
242 # if option has old style '\d'(true) value
243 $stack_from_level = 0 if $stack_from_level =~ /^\d+$/;
244 $stack_from_level = $level_to_num{ $stack_from_level } || 0;
246 $stack_from_level = 99; # don't log
249 my $simple_cb = sub {
250 # if this code throw any warning we can get segfault
254 # skip Log::* stack frames
256 $frame++ while caller($frame) && caller($frame) =~ /^Log::/;
257 my ($package, $filename, $line) = caller($frame);
259 $p{'message'} =~ s/(?:\r*\n)+$//;
260 return "[". gmtime(time) ."] [". $p{'level'} ."]: "
261 . $p{'message'} ." ($filename:$line)\n";
264 my $syslog_cb = sub {
265 # if this code throw any warning we can get segfault
269 my $frame = 0; # stack frame index
270 # skip Log::* stack frames
271 $frame++ while caller($frame) && caller($frame) =~ /^Log::/;
272 my ($package, $filename, $line) = caller($frame);
274 # syswrite() cannot take utf8; turn it off here.
275 Encode::_utf8_off($p{message});
277 $p{message} =~ s/(?:\r*\n)+$//;
278 if ($p{level} eq 'debug') {
279 return "$p{message}\n";
281 return "$p{message} ($filename:$line)\n";
288 return $p{'message'} unless $level_to_num{ $p{'level'} } >= $stack_from_level;
290 require Devel::StackTrace;
291 my $trace = Devel::StackTrace->new( ignore_class => [ 'Log::Dispatch', 'Log::Dispatch::Base' ] );
292 return $p{'message'} . $trace->as_string;
294 # skip calling of the Log::* subroutins
296 $frame++ while caller($frame) && caller($frame) =~ /^Log::/;
297 $frame++ while caller($frame) && (caller($frame))[3] =~ /^Log::/;
299 $p{'message'} .= "\nStack trace:\n";
300 while( my ($package, $filename, $line, $sub) = caller($frame++) ) {
301 $p{'message'} .= "\t$sub(...) called at $filename:$line\n";
303 return $p{'message'};
306 if ( $Config->Get('LogToFile') ) {
307 my ($filename, $logdir) = (
308 $Config->Get('LogToFileNamed') || 'rt.log',
309 $Config->Get('LogDir') || File::Spec->catdir( $VarPath, 'log' ),
311 if ( $filename =~ m![/\\]! ) { # looks like an absolute path.
312 ($logdir) = $filename =~ m{^(.*[/\\])};
315 $filename = File::Spec->catfile( $logdir, $filename );
318 unless ( -d $logdir && ( ( -f $filename && -w $filename ) || -w $logdir ) ) {
319 # localizing here would be hard when we don't have a current user yet
320 die "Log file '$filename' couldn't be written or created.\n RT can't run.";
323 require Log::Dispatch::File;
324 $RT::Logger->add( Log::Dispatch::File->new
326 min_level=> $Config->Get('LogToFile'),
327 filename=> $filename,
329 callbacks => [ $simple_cb, $stack_cb ],
332 if ( $Config->Get('LogToScreen') ) {
333 require Log::Dispatch::Screen;
334 $RT::Logger->add( Log::Dispatch::Screen->new
336 min_level => $Config->Get('LogToScreen'),
337 callbacks => [ $simple_cb, $stack_cb ],
341 if ( $Config->Get('LogToSyslog') ) {
342 require Log::Dispatch::Syslog;
343 $RT::Logger->add(Log::Dispatch::Syslog->new
346 min_level => $Config->Get('LogToSyslog'),
347 callbacks => [ $syslog_cb, $stack_cb ],
349 $Config->Get('LogToSyslogConf'),
353 InitSignalHandlers();
356 sub InitSignalHandlers {
359 ## This is the default handling of warnings and die'ings in the code
360 ## (including other used modules - maybe except for errors catched by
361 ## Mason). It will log all problems through the standard logging
362 ## mechanism (see above).
364 $SIG{__WARN__} = sub {
365 # The 'wide character' warnings has to be silenced for now, at least
366 # until HTML::Mason offers a sane way to process both raw output and
368 # use 'goto &foo' syntax to hide ANON sub from stack
369 if( index($_[0], 'Wide character in ') != 0 ) {
370 unshift @_, $RT::Logger, qw(level warning message);
371 goto &Log::Dispatch::log;
375 #When we call die, trap it and log->crit with the value of the die.
377 $SIG{__DIE__} = sub {
378 # if we are not in eval and perl is not parsing code
379 # then rollback transactions and log RT error
380 unless ($^S || !defined $^S ) {
381 $RT::Handle->Rollback(1) if $RT::Handle;
382 $RT::Logger->crit("$_[0]") if $RT::Logger;
389 sub CheckPerlRequirements {
390 if ($^V < 5.008003) {
391 die sprintf "RT requires Perl v5.8.3 or newer. Your current Perl is v%vd\n", $^V;
398 require Scalar::Util; Scalar::Util::weaken($y);
403 RT requires the Scalar::Util module be built with support for the 'weaken'
406 It is sometimes the case that operating system upgrades will replace
407 a working Scalar::Util with a non-working one. If your system was working
408 correctly up until now, this is likely the cause of the problem.
410 Please reinstall Scalar::Util, being careful to let it build with your C
411 compiler. Ususally this is as simple as running the following command as
414 perl -MCPAN -e'install Scalar::Util'
423 Load all modules that define base classes.
428 shift if @_%2; # so we can call it as a function or method
431 require RT::Transactions;
432 require RT::Attachments;
434 require RT::Principals;
435 require RT::CurrentUser;
436 require RT::Templates;
438 require RT::ScripActions;
439 require RT::ScripConditions;
442 require RT::GroupMembers;
443 require RT::CustomFields;
444 require RT::CustomFieldValues;
445 require RT::ObjectCustomFields;
446 require RT::ObjectCustomFieldValues;
447 require RT::Attributes;
448 require RT::Dashboard;
449 require RT::Approval;
451 # on a cold server (just after restart) people could have an object
452 # in the session, as we deserialize it so we never call constructor
453 # of the class, so the list of accessible fields is empty and we die
454 # with "Method xxx is not implemented in RT::SomeClass"
455 $_->_BuildTableAttributes foreach qw(
470 RT::ObjectCustomField
471 RT::ObjectCustomFieldValue
475 if ( $args{'Heavy'} ) {
476 # load scrips' modules
477 my $scrips = RT::Scrips->new($RT::SystemUser);
478 $scrips->Limit( FIELD => 'Stage', OPERATOR => '!=', VALUE => 'Disabled' );
479 while ( my $scrip = $scrips->Next ) {
483 foreach my $class ( grep $_, RT->Config->Get('CustomFieldValuesSources') ) {
485 eval "require $class; 1" or $RT::Logger->error(
486 "Class '$class' is listed in CustomFieldValuesSources option"
487 ." in the config, but we failed to load it:\n$@\n"
491 RT::I18N->LoadLexicons;
495 =head2 InitSystemObjects
497 Initializes system objects: C<$RT::System>, C<$RT::SystemUser>
502 sub InitSystemObjects {
504 #RT's system user is a genuine database user. its id lives here
505 require RT::CurrentUser;
506 $SystemUser = new RT::CurrentUser;
507 $SystemUser->LoadByName('RT_System');
509 #RT's "nobody user" is a genuine database user. its ID lives here.
510 $Nobody = new RT::CurrentUser;
511 $Nobody->LoadByName('Nobody');
514 $System = RT::System->new( $SystemUser );
521 Returns the current L<config object RT::Config>, but note that
522 you must L<load config /LoadConfig> first otherwise this method
525 Method can be called as class method.
529 sub Config { return $Config }
531 =head2 DatabaseHandle
533 Returns the current L<database handle object RT::Handle>.
535 See also L</ConnectToDatabase>.
539 sub DatabaseHandle { return $Handle }
543 Returns the logger. See also L</InitLogging>.
547 sub Logger { return $Logger }
551 Returns the current L<system object RT::System>. See also
552 L</InitSystemObjects>.
556 sub System { return $System }
560 Returns the system user's object, it's object of
561 L<RT::CurrentUser> class that represents the system. See also
562 L</InitSystemObjects>.
566 sub SystemUser { return $SystemUser }
570 Returns object of Nobody. It's object of L<RT::CurrentUser> class
571 that represents a user who can own ticket and nothing else. See
572 also L</InitSystemObjects>.
576 sub Nobody { return $Nobody }
580 Returns a listref of all Plugins currently configured for this RT instance.
581 You can define plugins by adding them to the @Plugins list in your RT_SiteConfig
589 $self->InitPluginPaths;
590 @PLUGINS = $self->InitPlugins;
597 Takes optional subdir (e.g. po, lib, etc.) and return plugins' dirs that exist.
599 This code chacke plugins names or anything else and required when main config
600 is loaded to load plugins' configs.
611 foreach my $plugin (grep $_, RT->Config->Get('Plugins')) {
612 my $path = RT::Plugin->new( name => $plugin )->Path( $subdir );
613 next unless -d $path;
619 =head2 InitPluginPaths
621 Push plugins' lib paths into @INC right after F<local/lib>.
622 In case F<local/lib> isn't in @INC, append them to @INC
626 sub InitPluginPaths {
627 my $self = shift || __PACKAGE__;
629 my @lib_dirs = $self->PluginDirs('lib');
634 if ( Cwd::realpath($_) eq $RT::LocalLibPath) {
635 push @tmp_inc, $_, @lib_dirs;
642 # append @lib_dirs in case $RT::LocalLibPath isn't in @INC
643 push @tmp_inc, @lib_dirs unless $added;
646 @INC = grep !$seen{$_}++, @tmp_inc;
651 Initialze all Plugins found in the RT configuration file, setting up their lib and HTML::Mason component roots.
659 foreach my $plugin (grep $_, RT->Config->Get('Plugins')) {
661 die $UNIVERSAL::require::ERROR if ($UNIVERSAL::require::ERROR);
662 push @plugins, RT::Plugin->new(name =>$plugin);
671 $_INSTALL_MODE = shift;
673 require RT::CurrentUser;
674 $SystemUser = RT::CurrentUser->new();
677 return $_INSTALL_MODE;
683 Please report them to rt-bugs@bestpractical.com, if you know what's
684 broken and have at least some idea of what needs to be fixed.
686 If you're not sure what's going on, report them rt-devel@lists.bestpractical.com.
691 L<DBIx::SearchBuilder>
696 eval "require RT_Vendor";
697 die $@ if ($@ && $@ !~ qr{^Can't locate RT_Vendor.pm});
698 eval "require RT_Local";
699 die $@ if ($@ && $@ !~ qr{^Can't locate RT_Local.pm});