package Catalyst::Engine;
-use strict;
-use base 'Class::Accessor::Fast';
+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 Scalar::Util ();
# input position and length
-__PACKAGE__->mk_accessors(qw/read_position read_length/);
+has read_length => (is => 'rw');
+has read_position => (is => 'rw');
# Stringify to class
use overload '""' => sub { return ref shift }, fallback => 1;
# Amount of data to read from input on each pass
-our $CHUNKSIZE = 4096;
+our $CHUNKSIZE = 64 * 1024;
=head1 NAME
my ( $self, $c ) = @_;
my @cookies;
+ my $response = $c->response;
- foreach my $name ( keys %{ $c->response->cookies } ) {
+ foreach my $name (keys %{ $response->cookies }) {
- my $val = $c->response->cookies->{$name};
+ my $val = $response->cookies->{$name};
my $cookie = (
Scalar::Util::blessed($val)
}
for my $cookie (@cookies) {
- $c->res->headers->push_header( 'Set-Cookie' => $cookie );
+ $response->headers->push_header( 'Set-Cookie' => $cookie );
}
}
=cut
-sub finalize_read {
- my ( $self, $c ) = @_;
-
- undef $self->{_prepared_read};
-}
+sub finalize_read { }
=head2 $self->finalize_uploads($c)
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);
- }
+ 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)
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};
- }
-
- if ( $self->read_length > 0 ) {
+ 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}->{tmpdir} = $c->config->{uploadtmp}
+ if exists $c->config->{uploadtmp};
+ }
+
while ( 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)
sub prepare_body_parameters {
my ( $self, $c ) = @_;
+
+ return unless $c->request->{_body};
+
$c->request->body_parameters( $c->request->{_body}->param );
}
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
- foreach my $name ( keys %{ $c->request->query_parameters } ) {
- my $param = $c->request->query_parameters->{$name};
- $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
- foreach my $name ( keys %{ $c->request->body_parameters } ) {
- my $param = $c->request->body_parameters->{$name};
- $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];
}
}
sub prepare_query_parameters {
my ( $self, $c, $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 = 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)
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)
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 => $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;
# append, if there's already params with this name
- if (exists $c->request->parameters->{$name}) {
- if (ref $c->request->parameters->{$name} eq 'ARRAY') {
- push @{ $c->request->parameters->{$name} }, @filenames;
+ if (exists $parameters->{$name}) {
+ if (ref $parameters->{$name} eq 'ARRAY') {
+ push @{ $parameters->{$name} }, @filenames;
}
else {
- $c->request->parameters->{$name} =
- [ $c->request->parameters->{$name}, @filenames ];
+ $parameters->{$name} = [ $parameters->{$name}, @filenames ];
}
}
else {
- $c->request->parameters->{$name} =
- @filenames > 1 ? \@filenames : $filenames[0];
+ $parameters->{$name} = @filenames > 1 ? \@filenames : $filenames[0];
}
}
}
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;
=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
$self->prepare_write($c);
$self->{_prepared_write} = 1;
}
-
- print STDOUT $buffer;
+
+ my $len = length($buffer);
+ my $wrote = syswrite STDOUT, $buffer;
+
+ if ( !defined $wrote && $! == EWOULDBLOCK ) {
+ # Unable to write on the first try, will retry in the loop below
+ $wrote = 0;
+ }
+
+ if ( defined $wrote && $wrote < $len ) {
+ # We didn't write the whole buffer
+ while (1) {
+ my $ret = syswrite STDOUT, $buffer, $CHUNKSIZE, $wrote;
+ if ( defined $ret ) {
+ $wrote += $ret;
+ }
+ else {
+ next if $! == EWOULDBLOCK;
+ return;
+ }
+
+ last if $wrote >= $len;
+ }
+ }
+
+ return $wrote;
}
+=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