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49 package RT::Interface::Web::Handler;
53 use CGI qw/-private_tempfiles/;
60 use RT::Interface::Web;
61 use RT::Interface::Web::Request;
62 use File::Path qw( rmtree );
63 use File::Glob qw( bsd_glob );
66 sub DefaultHandlerArgs { (
68 RT::Interface::Web->ComponentRoots( Names => 1 ),
70 default_escape_flags => 'h',
71 data_dir => "$RT::MasonDataDir",
72 allow_globals => [qw(%session $DECODED_ARGS)],
73 # Turn off static source if we're in developer mode.
74 static_source => (RT->Config->Get('DevelMode') ? '0' : '1'),
75 use_object_files => (RT->Config->Get('DevelMode') ? '0' : '1'),
77 error_format => (RT->Config->Get('DevelMode') ? 'html': 'rt_error'),
78 request_class => 'RT::Interface::Web::Request',
79 named_component_subs => $INC{'Devel/Cover.pm'} ? 1 : 0,
83 # Activate the following if running httpd as root (the normal case).
84 # Resets ownership of all files created by Mason at startup.
85 # Note that mysql uses DB for sessions, so there's no need to do this.
86 unless ( RT->Config->Get('DatabaseType') =~ /(?:mysql|Pg)/ ) {
88 # Clean up our umask to protect session files
91 if ($CGI::MOD_PERL and $CGI::MOD_PERL < 1.9908 ) {
93 chown( Apache->server->uid, Apache->server->gid,
94 $RT::MasonSessionDir )
95 if Apache->server->can('uid');
98 # Die if WebSessionDir doesn't exist or we can't write to it
99 stat($RT::MasonSessionDir);
100 die "Can't read and write $RT::MasonSessionDir"
101 unless ( ( -d _ ) and ( -r _ ) and ( -w _ ) );
107 use UNIVERSAL::require;
110 $class->require or die $!;
111 my $handler = $class->new(
112 DefaultHandlerArgs(),
113 RT->Config->Get('MasonParameters'),
117 $handler->interp->set_escape( h => \&RT::Interface::Web::EscapeUTF8 );
118 $handler->interp->set_escape( u => \&RT::Interface::Web::EscapeURI );
119 $handler->interp->set_escape( j => \&RT::Interface::Web::EscapeJS );
123 =head2 _mason_dir_index
127 sub _mason_dir_index {
128 my ($self, $interp, $path) = @_;
130 if ( !$interp->comp_exists( $path )
131 && $interp->comp_exists( $path . "/index.html" ) )
133 return $path . "/index.html";
140 =head2 CleanupRequest
142 Clean ups globals, caches and other things that could be still
143 there from previous requests:
147 =item Rollback any uncommitted transaction(s)
149 =item Flush the ACL cache
151 =item Flush records cache of the L<DBIx::SearchBuilder> if
152 WebFlushDbCacheEveryRequest option is enabled, what is true by default
153 and is not recommended to change.
155 =item Clean up state of RT::Action::SendEmail using 'CleanSlate' method
157 =item Flush tmp GnuPG key preferences
165 if ( $RT::Handle && $RT::Handle->TransactionDepth ) {
166 $RT::Handle->ForceRollback;
168 "Transaction not committed. Usually indicates a software fault."
169 . "Data loss may have occurred" );
172 # Clean out the ACL cache. the performance impact should be marginal.
173 # Consistency is imprived, too.
174 RT::Principal->InvalidateACLCache();
175 DBIx::SearchBuilder::Record::Cachable->FlushCache
176 if ( RT->Config->Get('WebFlushDbCacheEveryRequest')
178 'DBIx::SearchBuilder::Record::Cachable' => 'FlushCache' ) );
180 # cleanup global squelching of the mails
181 require RT::Action::SendEmail;
182 RT::Action::SendEmail->CleanSlate;
184 if (RT->Config->Get('GnuPG')->{'Enable'}) {
185 require RT::Crypt::GnuPG;
186 RT::Crypt::GnuPG::UseKeyForEncryption();
187 RT::Crypt::GnuPG::UseKeyForSigning( undef );
190 %RT::Ticket::MERGE_CACHE = ( effective => {}, merged => {} );
192 # RT::System persists between requests, so its attributes cache has to be
193 # cleared manually. Without this, for example, subject tags across multiple
194 # processes will remain cached incorrectly
195 delete $RT::System->{attributes};
197 # Explicitly remove any tmpfiles that GPG opened, and close their
198 # filehandles. unless we are doing inline psgi testing, which kills all the tmp file created by tests.
199 File::Temp::cleanup()
200 unless $INC{'Test/WWW/Mechanize/PSGI.pm'};
206 sub HTML::Mason::Exception::as_rt_error {
208 $RT::Logger->error( $self->as_text );
209 return "An internal RT error has occurred. Your administrator can find more details in RT's log files.";
212 =head1 CheckModPerlHandler
214 Make sure we're not running with SetHandler perl-script.
218 sub CheckModPerlHandler{
222 # Plack::Handler::Apache2 masks MOD_PERL, so use MOD_PERL_API_VERSION
223 return unless( $env->{'MOD_PERL_API_VERSION'}
224 and $env->{'MOD_PERL_API_VERSION'} == 2);
226 my $handler = $env->{'psgi.input'}->handler;
228 return unless defined $handler && $handler eq 'perl-script';
230 $RT::Logger->critical(<<MODPERL);
231 RT has problems when SetHandler is set to perl-script.
232 Change SetHandler in your in httpd.conf to:
236 For a complete example mod_perl configuration, see:
238 https://bestpractical.com/rt/docs/@{[$RT::VERSION =~ /^(\d\.\d)/]}/web_deployment.html#mod_perl-2.xx
241 my $res = Plack::Response->new(500);
242 $res->content_type("text/plain");
243 $res->body("Server misconfiguration; see error log for details");
249 use RT::Interface::Web::Handler;
250 use CGI::Emulate::PSGI;
258 # XXX: this is fucked
259 require HTML::Mason::CGIHandler;
260 require HTML::Mason::PSGIHandler::Streamy;
261 my $h = RT::Interface::Web::Handler::NewHandler('HTML::Mason::PSGIHandler::Streamy');
263 $self->InitSessionDir;
269 my $res = $self->CheckModPerlHandler($env);
270 return $self->_psgi_response_cb( $res->finalize ) if $res;
273 RT::ConnectToDatabase() unless RT->InstallMode;
275 my $req = Plack::Request->new($env);
277 # CGI.pm normalizes .. out of paths so when you requested
278 # /NoAuth/../Ticket/Display.html we saw Ticket/Display.html
279 # PSGI doesn't normalize .. so we have to deal ourselves.
280 if ( $req->path_info =~ m{(^|/)\.\.?(/|$)} ) {
281 $RT::Logger->crit("Invalid request for ".$req->path_info." aborting");
282 my $res = Plack::Response->new(400);
283 return $self->_psgi_response_cb($res->finalize,sub { $self->CleanupRequest });
285 $env->{PATH_INFO} = $self->_mason_dir_index( $h->interp, $req->path_info);
289 # XXX: until we get rid of all $ENV stuff.
290 local %ENV = (%ENV, CGI::Emulate::PSGI->emulate_environment($env));
292 $ret = $h->handle_psgi($env);
295 $RT::Logger->crit($@) if $@ && $RT::Logger;
296 warn $@ if $@ && !$RT::Logger;
297 if (ref($ret) eq 'CODE') {
301 local %ENV = (%ENV, CGI::Emulate::PSGI->emulate_environment($env));
302 $orig_ret->($respond);
306 return $self->_psgi_response_cb($ret,
308 $self->CleanupRequest()
312 sub _psgi_response_cb {
314 my ($ret, $cleanup) = @_;
315 Plack::Util::response_cb
320 if ( RT->Config->Get('Framebusting') ) {
321 # XXX TODO: Do we want to make the value of this header configurable?
322 Plack::Util::header_set($res->[1], 'X-Frame-Options' => 'DENY');
326 if (!defined $_[0]) {
330 # XXX: Ideally, responses should flag if they need
331 # to be encoded, rather than relying on the UTF-8
333 return Encode::encode("UTF-8",$_[0]) if utf8::is_utf8($_[0]);