1 package HTTP::Request::AsCGI;
5 use base 'Class::Accessor::Fast';
10 __PACKAGE__->mk_accessors( qw[ enviroment request stdin stdout stderr ] );
22 stdin => IO::File->new_tmpfile,
23 stdout => IO::File->new_tmpfile,
24 stderr => IO::File->new_tmpfile
27 $self->{enviroment} = {
28 GATEWAY_INTERFACE => 'CGI/1.1',
29 HTTP_HOST => $request->uri->host_port,
30 QUERY_STRING => $request->uri->query || '',
32 SERVER_NAME => $request->uri->host,
33 SERVER_PORT => $request->uri->port,
34 SERVER_PROTOCOL => $request->protocol || 'HTTP/1.1',
35 SERVER_SOFTWARE => __PACKAGE__ . "/" . $VERSION,
36 REMOTE_ADDR => '127.0.0.1',
37 REMOTE_HOST => 'localhost',
38 REMOTE_PORT => int( rand(64000) + 1000 ), # not in RFC 3875
39 REQUEST_URI => $request->uri->path || '/', # not in RFC 3875
40 REQUEST_METHOD => $request->method,
44 foreach my $field ( $request->headers->header_field_names ) {
48 $key = 'HTTP_' . $key unless $field =~ /^Content-(Length|Type)$/;
50 unless ( exists $self->{enviroment}->{$key} ) {
51 $self->{enviroment}->{$key} = $request->headers->header($field);
55 return $class->SUPER::new($self);
61 open( my $stdin, '>&', STDIN->fileno )
62 or croak("Can't dup stdin: $!");
64 open( my $stdout, '>&', STDOUT->fileno )
65 or croak("Can't dup stdout: $!");
67 open( my $stderr, '>&', STDERR->fileno )
68 or croak("Can't dup stderr: $!");
77 if ( $self->request->content_length ) {
79 $self->stdin->syswrite( $self->request->content )
80 or croak("Can't write request content to stdin handle: $!");
82 $self->stdin->sysseek( 0, SEEK_SET )
83 or croak("Can't seek stdin handle: $!");
87 no warnings 'uninitialized';
88 %ENV = %{ $self->enviroment };
91 open( STDIN, '<&=', $self->stdin->fileno )
92 or croak("Can't open stdin: $!");
94 open( STDOUT, '>&=', $self->stdout->fileno )
95 or croak("Can't open stdout: $!");
97 open( STDERR, '>&=', $self->stderr->fileno )
98 or croak("Can't open stderr: $!");
106 my ( $self, $callback ) = @_;
108 return undef unless $self->{setuped};
109 return undef unless $self->{restored};
111 require HTTP::Response;
114 my $position = $self->stdin->tell;
116 $self->stdin->sysseek( 0, SEEK_SET )
117 or croak("Can't seek stdin handle: $!");
119 while ( my $line = $self->stdout->getline ) {
121 last if $line =~ /^\x0d?\x0a$/;
124 unless ( $message =~ /^HTTP/ ) {
125 $message = "HTTP/1.1 200\x0d\x0a" . $message;
128 my $response = HTTP::Response->parse($message);
130 if ( my $code = $response->header('Status') ) {
131 $response->code($code);
134 $response->protocol( $self->request->protocol );
135 $response->headers->date( time() );
138 $response->content( sub {
139 if ( $self->stdout->read( my $buffer, 4096 ) ) {
147 while ( $self->stdout->read( my $buffer, 4096 ) ) {
148 $length += length($buffer);
149 $response->add_content($buffer);
151 $response->content_length($length) unless $response->content_length;
154 $self->stdin->sysseek( $position, SEEK_SET )
155 or croak("Can't seek stdin handle: $!");
163 %ENV = %{ $self->{restore}->{enviroment} };
165 open( STDIN, '>&', $self->{restore}->{stdin} )
166 or croak("Can't restore stdin: $!");
168 open( STDOUT, '>&', $self->{restore}->{stdout} )
169 or croak("Can't restore stdout: $!");
171 open( STDERR, '>&', $self->{restore}->{stderr} )
172 or croak("Can't restore stderr: $!");
174 $self->stdin->sysseek( 0, SEEK_SET )
175 or croak("Can't seek stdin: $!");
177 if ( $self->stdout->fileno != STDOUT->fileno ) {
178 $self->stdout->sysseek( 0, SEEK_SET )
179 or croak("Can't seek stdout: $!");
182 if ( $self->stderr->fileno != STDERR->fileno ) {
183 $self->stderr->sysseek( 0, SEEK_SET )
184 or croak("Can't seek stderr: $!");
192 $self->restore if $self->{setuped} && !$self->{restored};
201 HTTP::Request::AsCGI - Setup a CGI enviroment from a HTTP::Request
207 use HTTP::Request::AsCGI;
209 my $request = HTTP::Request->new( GET => 'http://www.host.com/' );
213 my $c = HTTP::Request::AsCGI->new($request)->setup;
217 $q->start_html('Hello World'),
218 $q->h1('Hello World'),
221 $stdout = $c->stdout;
223 # enviroment and descriptors will automatically be restored when $c is destructed.
226 while ( my $line = $stdout->getline ) {
260 Christian Hansen, C<ch@ngmedia.com>
264 This library is free software. You can redistribute it and/or modify
265 it under the same terms as perl itself.