use HTTP::Body;
use HTTP::Headers;
use URI::QueryParam;
+use Moose::Util::TypeConstraints;
+use Plack::Loader;
+use Catalyst::EngineLoader;
use Encode ();
use utf8;
use namespace::clean -except => 'meta';
-has env => (is => 'rw');
+has env => (is => 'ro', writer => '_set_env', clearer => '_clear_env');
+
+my $WARN_ABOUT_ENV = 0;
+around env => sub {
+ my ($orig, $self, @args) = @_;
+ if(@args) {
+ warn "env as a writer is deprecated, you probably need to upgrade Catalyst::Engine::PSGI"
+ unless $WARN_ABOUT_ENV++;
+ return $self->_set_env(@args);
+ }
+ return $self->$orig;
+};
# input position and length
has read_length => (is => 'rw');
has _prepared_write => (is => 'rw');
+has _response_cb => (
+ is => 'ro',
+ isa => 'CodeRef',
+ writer => '_set_response_cb',
+ clearer => '_clear_response_cb',
+ predicate => '_has_response_cb',
+);
+
+subtype 'Catalyst::Engine::Types::Writer',
+ as duck_type([qw(write close)]);
+
+has _writer => (
+ is => 'ro',
+ isa => 'Catalyst::Engine::Types::Writer',
+ writer => '_set_writer',
+ clearer => '_clear_writer',
+);
+
# Amount of data to read from input on each pass
our $CHUNKSIZE = 64 * 1024;
else {
$self->write( $c, $body );
}
+
+ $self->_writer->close;
+ $self->_clear_writer;
+ $self->_clear_env;
+
+ return;
}
=head2 $self->finalize_cookies($c)
-httponly => $val->{httponly} || 0,
)
);
+ if (!defined $cookie) {
+ $c->log->warn("undef passed in '$name' cookie value - not setting cookie")
+ if $c->debug;
+ next;
+ }
push @cookies, $cookie->as_string;
}
=cut
-sub finalize_headers { }
+sub finalize_headers {
+ my ($self, $ctx) = @_;
+
+ # This is a less-than-pretty hack to avoid breaking the old
+ # Catalyst::Engine::PSGI. 5.9 Catalyst::Engine sets a response_cb and
+ # expects us to pass headers to it here, whereas Catalyst::Enngine::PSGI
+ # just pulls the headers out of $ctx->response in its run method and never
+ # sets response_cb. So take the lack of a response_cb as a sign that we
+ # don't need to set the headers.
+
+ return unless $self->_has_response_cb;
+
+ 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 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)
=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)
=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)
=cut
sub prepare_query_parameters {
- my ( $self, $c, $query_string ) = @_;
+ my ($self, $c) = @_;
+
+ my $query_string = exists $self->env->{QUERY_STRING}
+ ? $self->env->{QUERY_STRING}
+ : '';
# Check for keywords (no = signs)
# (yes, index() is faster than a regex :))
=cut
-sub prepare_request { }
+sub prepare_request {
+ my ($self, $ctx, %args) = @_;
+ $self->_set_env($args{env});
+}
=head2 $self->prepare_uploads($c)
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. FIXME - Warn in the log here?
+ # said there should be.
$self->finalize_read;
return;
}
=cut
-sub read_chunk { }
+sub read_chunk {
+ my ($self, $ctx) = (shift, shift);
+ return $self->env->{'psgi.input'}->read(@_);
+}
=head2 $self->read_length
The amount of input data that has already been read.
-=head2 $self->run($c)
+=head2 $self->run($app, $server)
-Start the engine. Implemented by the various engine classes.
+Start the engine. Builds a PSGI application and calls the
+run method on the server passed in, which then causes the
+engine to loop, handling requests..
=cut
-sub run { }
+sub run {
+ my ($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 (scalar @args && blessed $args[-1]);
+ my $options = pop @args if (scalar @args && ref($args[-1]) eq 'HASH');
+ # Back compat hack for applications with old (non Catalyst::Script) scripts to work in FCGI.
+ if (scalar @args && !ref($args[0])) {
+ if (my $listen = shift @args) {
+ $options->{listen} ||= [$listen];
+ }
+ }
+ if (! $server ) {
+ $server = Catalyst::EngineLoader->new(application_name => ref($self))->auto(%$options);
+ # 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 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)
$self->_prepared_write(1);
}
- return 0 if !defined $buffer;
+ $buffer = q[] unless defined $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;
- }
- }
+ my $len = length($buffer);
+ $self->_writer->write($buffer);
- return $wrote;
+ return $len;
}
=head2 $self->unescape_uri($uri)
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.
+as in some environments the %ENV hash does not contain what you would expect.
=head1 AUTHORS