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=6935c37cfd2d0bcb1e3306b61b8b9ed8d246e4e3;hp=ce90738e81671ec7bf3debb8e5c8d42722aaf376;hb=b6d4ee6e9d0c627982cd2da23702ee900a1b1796;hpb=2832cb5d6e0c019910584d076ee6633afaeecfe1 diff --git a/lib/Catalyst/Engine.pm b/lib/Catalyst/Engine.pm index ce90738..6935c37 100644 --- a/lib/Catalyst/Engine.pm +++ b/lib/Catalyst/Engine.pm @@ -4,6 +4,7 @@ use strict; use base 'Class::Accessor::Fast'; use CGI::Simple::Cookie; use Data::Dump qw/dump/; +use Errno 'EWOULDBLOCK'; use HTML::Entities; use HTTP::Body; use HTTP::Headers; @@ -17,7 +18,7 @@ __PACKAGE__->mk_accessors(qw/read_position read_length/); 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 @@ -41,7 +42,8 @@ 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' ) ) { + no warnings 'uninitialized'; + if ( Scalar::Util::blessed($body) && $body->can('read') or ref($body) eq 'GLOB' ) { while ( !eof $body ) { read $body, my ($buffer), $CHUNKSIZE; last unless $self->write( $c, $buffer ); @@ -278,11 +280,7 @@ sub finalize_headers { } =cut -sub finalize_read { - my ( $self, $c ) = @_; - - undef $self->{_prepared_read}; -} +sub finalize_read { } =head2 $self->finalize_uploads($c) @@ -312,28 +310,30 @@ 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}; - } - - if ( $self->read_length > 0 ) { + if ( my $length = $self->read_length ) { + unless ( $c->request->{_body} ) { + my $type = $c->request->header('Content-Type'); + $c->request->{_body} = HTTP::Body->new( $type, $length ); + $c->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) @@ -356,6 +356,9 @@ Sets up parameters from body. sub prepare_body_parameters { my ( $self, $c ) = @_; + + return unless $c->request->{_body}; + $c->request->body_parameters( $c->request->{_body}->param ); } @@ -436,16 +439,43 @@ process the query string and extract query parameters. 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) @@ -457,8 +487,11 @@ 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) @@ -475,6 +508,9 @@ sub prepare_request { } sub prepare_uploads { my ( $self, $c ) = @_; + + return unless $c->request->{_body}; + my $uploads = $c->request->{_body}->upload; for my $name ( keys %$uploads ) { my $files = $uploads->{$name}; @@ -493,8 +529,20 @@ sub prepare_uploads { # 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 $c->request->parameters->{$name}) { + if (ref $c->request->parameters->{$name} eq 'ARRAY') { + push @{ $c->request->parameters->{$name} }, @filenames; + } + else { + $c->request->parameters->{$name} = + [ $c->request->parameters->{$name}, @filenames ]; + } + } + else { + $c->request->parameters->{$name} = + @filenames > 1 ? \@filenames : $filenames[0]; + } } } @@ -513,11 +561,6 @@ sub prepare_write { } 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; @@ -567,7 +610,7 @@ sub run { } =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 @@ -578,10 +621,48 @@ sub write { $self->prepare_write($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