X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FEngine.pm;h=407ceb5f9b8a37da23d0d43eafb0290ec86740d2;hp=de506cb54af73eff4b1601153098817888eb5fa0;hb=681086e7279935c38cae4b84264dc73b02b63df1;hpb=f63c03e47ae0278e50d513b90ecbbdfd67d1a021 diff --git a/lib/Catalyst/Engine.pm b/lib/Catalyst/Engine.pm index de506cb..407ceb5 100644 --- a/lib/Catalyst/Engine.pm +++ b/lib/Catalyst/Engine.pm @@ -1,22 +1,49 @@ package Catalyst::Engine; -use strict; -use base 'Class::Accessor::Fast'; -use CGI::Cookie; +use Moose; +with 'MooseX::Emulate::Class::Accessor::Fast'; + +use CGI::Simple::Cookie; use Data::Dump qw/dump/; +use Errno 'EWOULDBLOCK'; use HTML::Entities; use HTTP::Body; use HTTP::Headers; use URI::QueryParam; +use Moose::Util::TypeConstraints; +use Plack::Loader; +use Plack::Middleware::Conditional; +use Plack::Middleware::ReverseProxy; +use Catalyst::Engine::Loader; +use Encode (); +use utf8; + +use namespace::clean -except => 'meta'; + +has env => (is => 'ro', writer => '_set_env', clearer => '_clear_env'); # input position and length -__PACKAGE__->mk_accessors(qw/read_position read_length/); +has read_length => (is => 'rw'); +has read_position => (is => 'rw'); + +has _prepared_write => (is => 'rw'); -# Stringify to class -use overload '""' => sub { return ref shift }, fallback => 1; +has _response_cb => ( + is => 'ro', + isa => 'CodeRef', + writer => '_set_response_cb', + clearer => '_clear_response_cb', +); + +has _writer => ( + is => 'ro', + isa => duck_type([qw(write close)]), + writer => '_set_writer', + clearer => '_clear_writer', +); # Amount of data to read from input on each pass -our $CHUNKSIZE = 4096; +our $CHUNKSIZE = 64 * 1024; =head1 NAME @@ -40,21 +67,31 @@ Finalize body. Prints the response output. sub finalize_body { my ( $self, $c ) = @_; my $body = $c->response->body; - if ( ref $body && ( $body->can('read') || ref($body) eq 'GLOB' ) ) { - while ( !eof $body ) { - read $body, my ($buffer), $CHUNKSIZE; - last unless $self->write( $c, $buffer ); - } + no warnings 'uninitialized'; + if ( blessed($body) && $body->can('read') or ref($body) eq 'GLOB' ) { + my $got; + do { + $got = read $body, my ($buffer), $CHUNKSIZE; + $got = 0 unless $self->write( $c, $buffer ); + } while $got > 0; + close $body; } else { $self->write( $c, $body ); } + + $self->_writer->close; + $self->_clear_writer; + $self->_clear_env; + + return; } =head2 $self->finalize_cookies($c) -Create CGI::Cookies from $c->res->cookies, and set them as response headers. +Create CGI::Simple::Cookie objects from $c->res->cookies, and set them as +response headers. =cut @@ -62,38 +99,73 @@ sub finalize_cookies { my ( $self, $c ) = @_; my @cookies; - while ( my ( $name, $cookie ) = each %{ $c->response->cookies } ) { - - my $cookie = CGI::Cookie->new( - -name => $name, - -value => $cookie->{value}, - -expires => $cookie->{expires}, - -domain => $cookie->{domain}, - -path => $cookie->{path}, - -secure => $cookie->{secure} || 0 + my $response = $c->response; + + foreach my $name (keys %{ $response->cookies }) { + + my $val = $response->cookies->{$name}; + + my $cookie = ( + blessed($val) + ? $val + : CGI::Simple::Cookie->new( + -name => $name, + -value => $val->{value}, + -expires => $val->{expires}, + -domain => $val->{domain}, + -path => $val->{path}, + -secure => $val->{secure} || 0, + -httponly => $val->{httponly} || 0, + ) ); push @cookies, $cookie->as_string; } for my $cookie (@cookies) { - $c->res->headers->push_header( 'Set-Cookie' => $cookie ); + $response->headers->push_header( 'Set-Cookie' => $cookie ); } } =head2 $self->finalize_error($c) -Output an apropriate error message, called if there's an error in $c +Output an appropriate error message. Called if there's an error in $c after the dispatch has finished. Will output debug messages if Catalyst is in debug mode, or a `please come back later` message otherwise. =cut +sub _dump_error_page_element { + my ($self, $i, $element) = @_; + my ($name, $val) = @{ $element }; + + # This is fugly, but the metaclass is _HUGE_ and demands waaay too much + # scrolling. Suggestions for more pleasant ways to do this welcome. + local $val->{'__MOP__'} = "Stringified: " + . $val->{'__MOP__'} if ref $val eq 'HASH' && exists $val->{'__MOP__'}; + + my $text = encode_entities( dump( $val )); + sprintf <<"EOF", $name, $text; +

%s

+
+
%s
+
+EOF +} + sub finalize_error { my ( $self, $c ) = @_; $c->res->content_type('text/html; charset=utf-8'); - my $name = $c->config->{name} || join(' ', split('::', ref $c)); + my $name = ref($c)->config->{name} || join(' ', split('::', ref $c)); + + # Prevent Catalyst::Plugin::Unicode::Encoding from running. + # This is a little nasty, but it's the best way to be clean whether or + # not the user has an encoding plugin. + + if ($c->can('encoding')) { + $c->{encoding} = ''; + } my ( $title, $error, $infos ); if ( $c->debug ) { @@ -110,26 +182,16 @@ sub finalize_error { $name = "

$name

"; # Don't show context in the dump - delete $c->req->{_context}; - delete $c->res->{_context}; + $c->req->_clear_context; + $c->res->_clear_context; # Don't show body parser in the dump - delete $c->req->{_body}; - - # Don't show response header state in dump - delete $c->res->{_finalized_headers}; + $c->req->_clear_body; my @infos; my $i = 0; for my $dump ( $c->dump_these ) { - my $name = $dump->[0]; - my $value = encode_entities( dump( $dump->[1] )); - push @infos, sprintf <<"EOF", $name, $value; -

%s

-
-
%s
-
-EOF + push @infos, $self->_dump_error_page_element($i, $dump); $i++; } $infos = join "\n", @infos; @@ -146,6 +208,9 @@ EOF (no) Vennligst prov igjen senere (dk) Venligst prov igen senere (pl) Prosze sprobowac pozniej +(pt) Por favor volte mais tarde +(ru) Попробуйте еще раз позже +(ua) Спробуйте ще раз пізніше $name = ''; @@ -231,7 +296,7 @@ EOF } /* from http://users.tkk.fi/~tkarvine/linux/doc/pre-wrap/pre-wrap-css3-mozilla-opera-ie.html */ /* Browser specific (not valid) styles to make preformatted text wrap */ - pre { + pre { white-space: pre-wrap; /* css-3 */ white-space: -moz-pre-wrap; /* Mozilla, since 1999 */ white-space: -pre-wrap; /* Opera 4-6 */ @@ -249,10 +314,12 @@ EOF - - # Trick IE + # Trick IE. Old versions of IE would display their own error page instead + # of ours if we'd give it less than 512 bytes. $c->res->{body} .= ( ' ' x 512 ); + $c->res->{body} = Encode::encode("UTF-8", $c->res->{body}); + # Return 500 $c->res->status(500); } @@ -263,17 +330,23 @@ Abstract method, allows engines to write headers to response =cut -sub finalize_headers { } +sub finalize_headers { + my ($self, $ctx) = @_; + + my @headers; + $ctx->response->headers->scan(sub { push @headers, @_ }); + + $self->_set_writer($self->_response_cb->([ $ctx->response->status, \@headers ])); + $self->_clear_response_cb; + + return; +} =head2 $self->finalize_read($c) =cut -sub finalize_read { - my ( $self, $c ) = @_; - - undef $self->{_prepared_read}; -} +sub finalize_read { } =head2 $self->finalize_uploads($c) @@ -284,14 +357,15 @@ Clean up after uploads, deleting temp files. sub finalize_uploads { my ( $self, $c ) = @_; - if ( keys %{ $c->request->uploads } ) { - for my $key ( keys %{ $c->request->uploads } ) { - my $upload = $c->request->uploads->{$key}; - unlink map { $_->tempname } - grep { -e $_->tempname } - ref $upload eq 'ARRAY' ? @{$upload} : ($upload); - } + # N.B. This code is theoretically entirely unneeded due to ->cleanup(1) + # on the HTTP::Body object. + my $request = $c->request; + foreach my $key (keys %{ $request->uploads }) { + my $upload = $request->uploads->{$key}; + unlink grep { -e $_ } map { $_->tempname } + (ref $upload eq 'ARRAY' ? @{$upload} : ($upload)); } + } =head2 $self->prepare_body($c) @@ -303,28 +377,34 @@ sets up the L object body using L sub prepare_body { my ( $self, $c ) = @_; - $self->read_length( $c->request->header('Content-Length') || 0 ); - my $type = $c->request->header('Content-Type'); - - unless ( $c->request->{_body} ) { - $c->request->{_body} = HTTP::Body->new( $type, $self->read_length ); - $c->request->{_body}->{tmpdir} = $c->config->{uploadtmp} - if exists $c->config->{uploadtmp}; - } + my $appclass = ref($c) || $c; + if ( my $length = $self->read_length ) { + my $request = $c->request; + unless ( $request->_body ) { + my $type = $request->header('Content-Type'); + $request->_body(HTTP::Body->new( $type, $length )); + $request->_body->cleanup(1); # Make extra sure! + $request->_body->tmpdir( $appclass->config->{uploadtmp} ) + if exists $appclass->config->{uploadtmp}; + } - if ( $self->read_length > 0 ) { - while ( my $buffer = $self->read($c) ) { + # Check for definedness as you could read '0' + while ( defined ( my $buffer = $self->read($c) ) ) { $c->prepare_body_chunk($buffer); } # paranoia against wrong Content-Length header - my $remaining = $self->read_length - $self->read_position; + my $remaining = $length - $self->read_position; if ( $remaining > 0 ) { $self->finalize_read($c); Catalyst::Exception->throw( - "Wrong Content-Length value: " . $self->read_length ); + "Wrong Content-Length value: $length" ); } } + else { + # Defined but will cause all body code to be skipped + $c->request->_body(0); + } } =head2 $self->prepare_body_chunk($c) @@ -336,18 +416,21 @@ Add a chunk to the request body. sub prepare_body_chunk { my ( $self, $c, $chunk ) = @_; - $c->request->{_body}->add($chunk); + $c->request->_body->add($chunk); } =head2 $self->prepare_body_parameters($c) -Sets up parameters from body. +Sets up parameters from body. =cut sub prepare_body_parameters { my ( $self, $c ) = @_; - $c->request->body_parameters( $c->request->{_body}->param ); + + return unless $c->request->_body; + + $c->request->body_parameters( $c->request->_body->param ); } =head2 $self->prepare_connection($c) @@ -356,11 +439,26 @@ Abstract method implemented in engines. =cut -sub prepare_connection { } +sub prepare_connection { + my ($self, $ctx) = @_; + + my $env = $self->env; + my $request = $ctx->request; + + $request->address( $env->{REMOTE_ADDR} ); + $request->hostname( $env->{REMOTE_HOST} ) + if exists $env->{REMOTE_HOST}; + $request->protocol( $env->{SERVER_PROTOCOL} ); + $request->remote_user( $env->{REMOTE_USER} ); + $request->method( $env->{REQUEST_METHOD} ); + $request->secure( $env->{'psgi.url_scheme'} eq 'https' ? 1 : 0 ); + + return; +} =head2 $self->prepare_cookies($c) -Parse cookies from header. Sets a L object. +Parse cookies from header. Sets a L object. =cut @@ -368,7 +466,7 @@ sub prepare_cookies { my ( $self, $c ) = @_; if ( my $header = $c->request->header('Cookie') ) { - $c->req->cookies( { CGI::Cookie->parse($header) } ); + $c->req->cookies( { CGI::Simple::Cookie->parse($header) } ); } } @@ -376,7 +474,19 @@ sub prepare_cookies { =cut -sub prepare_headers { } +sub prepare_headers { + my ($self, $ctx) = @_; + + my $env = $self->env; + my $headers = $ctx->request->headers; + + for my $header (keys %{ $env }) { + next unless $header =~ /^(HTTP|CONTENT|COOKIE)/i; + (my $field = $header) =~ s/^HTTPS?_//; + $field =~ tr/_/-/; + $headers->header($field => $env->{$header}); + } +} =head2 $self->prepare_parameters($c) @@ -387,23 +497,24 @@ sets up parameters from query and post parameters. sub prepare_parameters { my ( $self, $c ) = @_; + my $request = $c->request; + my $parameters = $request->parameters; + my $body_parameters = $request->body_parameters; + my $query_parameters = $request->query_parameters; # We copy, no references - while ( my ( $name, $param ) = each %{ $c->request->query_parameters } ) { - $param = ref $param eq 'ARRAY' ? [ @{$param} ] : $param; - $c->request->parameters->{$name} = $param; + foreach my $name (keys %$query_parameters) { + my $param = $query_parameters->{$name}; + $parameters->{$name} = ref $param eq 'ARRAY' ? [ @$param ] : $param; } # Merge query and body parameters - while ( my ( $name, $param ) = each %{ $c->request->body_parameters } ) { - $param = ref $param eq 'ARRAY' ? [ @{$param} ] : $param; - if ( my $old_param = $c->request->parameters->{$name} ) { - if ( ref $old_param eq 'ARRAY' ) { - push @{ $c->request->parameters->{$name} }, - ref $param eq 'ARRAY' ? @$param : $param; - } - else { $c->request->parameters->{$name} = [ $old_param, $param ] } + foreach my $name (keys %$body_parameters) { + my $param = $body_parameters->{$name}; + my @values = ref $param eq 'ARRAY' ? @$param : ($param); + if ( my $existing = $parameters->{$name} ) { + unshift(@values, (ref $existing eq 'ARRAY' ? @$existing : $existing)); } - else { $c->request->parameters->{$name} = $param } + $parameters->{$name} = @values > 1 ? \@values : $values[0]; } } @@ -413,7 +524,61 @@ abstract method, implemented by engines. =cut -sub prepare_path { } +sub prepare_path { + my ($self, $ctx) = @_; + + my $env = $self->env; + + my $scheme = $ctx->request->secure ? 'https' : 'http'; + my $host = $env->{HTTP_HOST} || $env->{SERVER_NAME}; + my $port = $env->{SERVER_PORT} || 80; + my $base_path = $env->{SCRIPT_NAME} || "/"; + + # set the request URI + my $path; + if (!$ctx->config->{use_request_uri_for_path}) { + my $path_info = $env->{PATH_INFO}; + if ( exists $env->{REDIRECT_URL} ) { + $base_path = $env->{REDIRECT_URL}; + $base_path =~ s/\Q$path_info\E$//; + } + $path = $base_path . $path_info; + $path =~ s{^/+}{}; + $path =~ s/([^$URI::uric])/$URI::Escape::escapes{$1}/go; + $path =~ s/\?/%3F/g; # STUPID STUPID SPECIAL CASE + } + else { + my $req_uri = $env->{REQUEST_URI}; + $req_uri =~ s/\?.*$//; + $path = $req_uri; + $path =~ s{^/+}{}; + } + + # Using URI directly is way too slow, so we construct the URLs manually + my $uri_class = "URI::$scheme"; + + # HTTP_HOST will include the port even if it's 80/443 + $host =~ s/:(?:80|443)$//; + + if ($port !~ /^(?:80|443)$/ && $host !~ /:/) { + $host .= ":$port"; + } + + my $query = $env->{QUERY_STRING} ? '?' . $env->{QUERY_STRING} : ''; + my $uri = $scheme . '://' . $host . '/' . $path . $query; + + $ctx->request->uri( (bless \$uri, $uri_class)->canonical ); + + # set the base URI + # base must end in a slash + $base_path .= '/' unless $base_path =~ m{/$}; + + my $base_uri = $scheme . '://' . $host . $base_path; + + $ctx->request->base( bless \$base_uri, $uri_class ); + + return; +} =head2 $self->prepare_request($c) @@ -424,17 +589,48 @@ process the query string and extract query parameters. =cut sub prepare_query_parameters { - my ( $self, $c, $query_string ) = @_; + my ($self, $c) = @_; + + my $query_string = exists $self->env->{QUERY_STRING} + ? $self->env->{QUERY_STRING} + : ''; + + # Check for keywords (no = signs) + # (yes, index() is faster than a regex :)) + if ( index( $query_string, '=' ) < 0 ) { + $c->request->query_keywords( $self->unescape_uri($query_string) ); + return; + } + + my %query; # replace semi-colons $query_string =~ s/;/&/g; - my $u = URI->new( '', 'http' ); - $u->query($query_string); - for my $key ( $u->query_param ) { - my @vals = $u->query_param($key); - $c->request->query_parameters->{$key} = @vals > 1 ? [@vals] : $vals[0]; + my @params = grep { length $_ } split /&/, $query_string; + + for my $item ( @params ) { + + my ($param, $value) + = map { $self->unescape_uri($_) } + split( /=/, $item, 2 ); + + $param = $self->unescape_uri($item) unless defined $param; + + if ( exists $query{$param} ) { + if ( ref $query{$param} ) { + push @{ $query{$param} }, $value; + } + else { + $query{$param} = [ $query{$param}, $value ]; + } + } + else { + $query{$param} = $value; + } } + + $c->request->query_parameters( \%query ); } =head2 $self->prepare_read($c) @@ -446,8 +642,11 @@ prepare to read from the engine. sub prepare_read { my ( $self, $c ) = @_; - # Reset the read position + # Initialize the read position $self->read_position(0); + + # Initialize the amount of data we think we need to read + $self->read_length( $c->request->header('Content-Length') || 0 ); } =head2 $self->prepare_request(@arguments) @@ -456,7 +655,10 @@ Populate the context object from the request object. =cut -sub prepare_request { } +sub prepare_request { + my ($self, $ctx, %args) = @_; + $self->_set_env($args{env}); +} =head2 $self->prepare_uploads($c) @@ -464,26 +666,43 @@ sub prepare_request { } sub prepare_uploads { my ( $self, $c ) = @_; - my $uploads = $c->request->{_body}->upload; - for my $name ( keys %$uploads ) { + + my $request = $c->request; + return unless $request->_body; + + my $uploads = $request->_body->upload; + my $parameters = $request->parameters; + foreach my $name (keys %$uploads) { my $files = $uploads->{$name}; - $files = ref $files eq 'ARRAY' ? $files : [$files]; my @uploads; - for my $upload (@$files) { - my $u = Catalyst::Request::Upload->new; - $u->headers( HTTP::Headers->new( %{ $upload->{headers} } ) ); - $u->type( $u->headers->content_type ); - $u->tempname( $upload->{tempname} ); - $u->size( $upload->{size} ); - $u->filename( $upload->{filename} ); + for my $upload (ref $files eq 'ARRAY' ? @$files : ($files)) { + my $headers = HTTP::Headers->new( %{ $upload->{headers} } ); + my $u = Catalyst::Request::Upload->new + ( + size => $upload->{size}, + type => scalar $headers->content_type, + headers => $headers, + tempname => $upload->{tempname}, + filename => $upload->{filename}, + ); push @uploads, $u; } - $c->request->uploads->{$name} = @uploads > 1 ? \@uploads : $uploads[0]; + $request->uploads->{$name} = @uploads > 1 ? \@uploads : $uploads[0]; # support access to the filename as a normal param my @filenames = map { $_->{filename} } @uploads; - $c->request->parameters->{$name} = - @filenames > 1 ? \@filenames : $filenames[0]; + # append, if there's already params with this name + if (exists $parameters->{$name}) { + if (ref $parameters->{$name} eq 'ARRAY') { + push @{ $parameters->{$name} }, @filenames; + } + else { + $parameters->{$name} = [ $parameters->{$name}, @filenames ]; + } + } + else { + $parameters->{$name} = @filenames > 1 ? \@filenames : $filenames[0]; + } } } @@ -497,16 +716,15 @@ sub prepare_write { } =head2 $self->read($c, [$maxlength]) +Reads from the input stream by calling C<< $self->read_chunk >>. + +Maintains the read_length and read_position counters as data is read. + =cut sub read { my ( $self, $c, $maxlength ) = @_; - unless ( $self->{_prepared_read} ) { - $self->prepare_read($c); - $self->{_prepared_read} = 1; - } - my $remaining = $self->read_length - $self->read_position; $maxlength ||= $CHUNKSIZE; @@ -519,6 +737,11 @@ sub read { my $readlen = ( $remaining > $maxlength ) ? $maxlength : $remaining; my $rc = $self->read_chunk( $c, my $buffer, $readlen ); if ( defined $rc ) { + if (0 == $rc) { # Nothing more to read even though Content-Length + # said there should be. + $self->finalize_read; + return; + } $self->read_position( $self->read_position + $rc ); return $buffer; } @@ -530,12 +753,16 @@ sub read { =head2 $self->read_chunk($c, $buffer, $length) -Each engine inplements read_chunk as its preferred way of reading a chunk -of data. +Each engine implements read_chunk as its preferred way of reading a chunk +of data. Returns the number of bytes read. A return of 0 indicates that +there is no more data to be read. =cut -sub read_chunk { } +sub read_chunk { + my ($self, $ctx) = (shift, shift); + return $self->env->{'psgi.input'}->read(@_); +} =head2 $self->read_length @@ -546,45 +773,118 @@ header. The amount of input data that has already been read. -=head2 $self->run($c) +=head2 $self->run($app, $server) + +Start the engine. Builds a PSGI application and calls the +run method on the server passed in, which then causes the +engine to loop, handling requests.. -Start the engine. Implemented by the various engine classes. +=cut + +sub run { + my ($self, $app, $psgi, @args) = @_; + # @args left here rather than just a $options, $server for back compat with the + # old style scripts which send a few args, then a hashref + + # They should never actually be used in the normal case as the Plack engine is + # passed in got all the 'standard' args via the loader in the script already. + + # FIXME - we should stash the options in an attribute so that custom args + # like Gitalist's --git_dir are possible to get from the app without stupid tricks. + my $server = pop @args if blessed $args[-1]; + my $options = pop @args if ref($args[-1]) eq 'HASH'; + if (! $server ) { + $server = Catalyst::Engine::Loader->auto(); # We're not being called from a script, + # so auto detect what backend to run on. + # This should never happen, as mod_perl + # never calls ->run, instead the $app->handle + # method is called per request. + $app->log->warn("Not supplied a Plack engine, falling back to engine auto-loader (are your scripts ancient?)") + } + $server->run($psgi, $options); +} + +=head2 build_psgi_app ($app, @args) + +Builds and returns a PSGI application closure, wrapping it in the reverse proxy +middleware if the using_frontend_proxy config setting is set. =cut -sub run { } +sub build_psgi_app { + my ($self, $app, @args) = @_; + + return sub { + my ($env) = @_; + + return sub { + my ($respond) = @_; + $self->_set_response_cb($respond); + $app->handle_request(env => $env); + }; + }; +} =head2 $self->write($c, $buffer) -Writes the buffer to the client. Can only be called once for a request. +Writes the buffer to the client. =cut sub write { my ( $self, $c, $buffer ) = @_; - unless ( $self->{_prepared_write} ) { + unless ( $self->_prepared_write ) { $self->prepare_write($c); - $self->{_prepared_write} = 1; + $self->_prepared_write(1); } - print STDOUT $buffer; + $buffer = q[] unless defined $buffer; + + my $len = length($buffer); + $self->_writer->write($buffer); + + return $len; } +=head2 $self->unescape_uri($uri) + +Unescapes a given URI using the most efficient method available. Engines such +as Apache may implement this using Apache's C-based modules, for example. + +=cut + +sub unescape_uri { + my ( $self, $str ) = @_; + + $str =~ s/(?:%([0-9A-Fa-f]{2})|\+)/defined $1 ? chr(hex($1)) : ' '/eg; + + return $str; +} =head2 $self->finalize_output , see finalize_body -=head1 AUTHORS +=head2 $self->env + +Hash containing environment variables including many special variables inserted +by WWW server - like SERVER_*, REMOTE_*, HTTP_* ... -Sebastian Riedel, +Before accessing environment variables consider whether the same information is +not directly available via Catalyst objects $c->request, $c->engine ... + +BEWARE: If you really need to access some environment variable from your Catalyst +application you should use $c->engine->env->{VARNAME} instead of $ENV{VARNAME}, +as in some enviroments the %ENV hash does not contain what you would expect. + +=head1 AUTHORS -Andy Grundman, +Catalyst Contributors, see Catalyst.pm =head1 COPYRIGHT -This program is free software, you can redistribute it and/or modify it under +This library is free software. You can redistribute it and/or modify it under the same terms as Perl itself. =cut