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::EngineLoader;
+use Encode 2.21 'decode_utf8', 'encode', 'decode';
+use Plack::Request::Upload;
+use Hash::MultiValue;
use namespace::clean -except => 'meta';
-
-has env => (is => 'ro', writer => '_set_env', clearer => '_clear_env');
-
-# input position and length
-has read_length => (is => 'rw');
-has read_position => (is => 'rw');
-
-has _prepared_write => (is => 'rw');
-
-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',
-);
+use utf8;
# Amount of data to read from input on each pass
our $CHUNKSIZE = 64 * 1024;
+# XXX - this is only here for compat, do not use!
+has env => ( is => 'rw', writer => '_set_env' , weak_ref=>1);
+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;
+};
+
+# XXX - Only here for Engine::PSGI compat
+sub prepare_connection {
+ my ($self, $ctx) = @_;
+ $ctx->request->prepare_connection;
+}
+
=head1 NAME
Catalyst::Engine - The Catalyst Engine
=head2 $self->finalize_body($c)
-Finalize body. Prints the response output.
+Finalize body. Prints the response output as blocking stream if it looks like
+a filehandle, otherwise write it out all in one go. If there is no body in
+the response, we assume you are handling it 'manually', such as for nonblocking
+style or asynchronous streaming responses. You do this by calling L</write>
+several times (which sends HTTP headers if needed) or you close over
+C<< $response->write_fh >>.
+
+See L<Catalyst::Response/write> and L<Catalyst::Response/write_fh> for more.
=cut
sub finalize_body {
my ( $self, $c ) = @_;
- my $body = $c->response->body;
- no warnings 'uninitialized';
- if ( blessed($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 );
- }
+ my $res = $c->response; # We use this all over
+
+ ## If we've asked for the write 'filehandle' that means the application is
+ ## doing something custom and is expected to close the response
+ return if $res->_has_write_fh;
+
+ my $body = $res->body; # save some typing
+ if($res->_has_response_cb) {
+ ## we have not called the response callback yet, so we are safe to send
+ ## the whole body to PSGI
+
+ my @headers;
+ $res->headers->scan(sub { push @headers, @_ });
+
+ # We need to figure out what kind of body we have and normalize it to something
+ # PSGI can deal with
+ if(defined $body) {
+ # Handle objects first
+ if(blessed($body)) {
+ if($body->can('getline')) {
+ # Body is an IO handle that meets the PSGI spec. Nothing to normalize
+ } elsif($body->can('read')) {
+
+ # In the past, Catalyst only looked for ->read not ->getline. It is very possible
+ # that one might have an object that respected read but did not have getline.
+ # As a result, we need to handle this case for backcompat.
+
+ # We will just do the old loop for now. In a future version of Catalyst this support
+ # will be removed and one will have to rewrite their custom object or use
+ # Plack::Middleware::AdaptFilehandleRead. In anycase support for this is officially
+ # deprecated and described as such as of 5.90060
+
+ my $got;
+ do {
+ $got = read $body, my ($buffer), $CHUNKSIZE;
+ $got = 0 unless $self->write($c, $buffer );
+ } while $got > 0;
+
+ close $body;
+ return;
+ } else {
+ # Looks like for backcompat reasons we need to be able to deal
+ # with stringyfiable objects.
+ $body = ["$body"];
+ }
+ } elsif(ref $body) {
+ if( (ref($body) eq 'GLOB') or (ref($body) eq 'ARRAY')) {
+ # Again, PSGI can just accept this, no transform needed. We don't officially
+ # document the body as arrayref at this time (and there's not specific test
+ # cases. we support it because it simplifies some plack compatibility logic
+ # and we might make it official at some point.
+ } else {
+ $c->log->error("${\ref($body)} is not a valid value for Response->body");
+ return;
+ }
+ } else {
+ # Body is defined and not an object or reference. We assume a simple value
+ # and wrap it in an array for PSGI
+ $body = [$body];
+ }
+ } else {
+ # There's no body...
+ $body = [];
+ }
+ $res->_response_cb->([ $res->status, \@headers, $body]);
+ $res->_clear_response_cb;
+
+ } else {
+ ## Now, if there's no response callback anymore, that means someone has
+ ## called ->write in order to stream 'some stuff along the way'. I think
+ ## for backcompat we still need to handle a ->body. I guess I could see
+ ## someone calling ->write to presend some stuff, and then doing the rest
+ ## via ->body, like in a template.
+
+ ## We'll just use the old, existing code for this (or most of it)
+
+ if(my $body = $res->body) {
+
+ if ( blessed($body) && $body->can('read') or ref($body) eq 'GLOB' ) {
+
+ ## In this case we have no choice and will fall back on the old
+ ## manual streaming stuff. Not optimal. This is deprecated as of 5.900560+
+
+ my $got;
+ do {
+ $got = read $body, my ($buffer), $CHUNKSIZE;
+ $got = 0 unless $self->write($c, $buffer );
+ } while $got > 0;
+
+ close $body;
+ }
+ else {
+
+ # Case where body was set after calling ->write. We'd prefer not to
+ # support this, but I can see some use cases with the way most of the
+ # views work. Since body has already been encoded, we need to do
+ # an 'unencoded_write' here.
+ $self->unencoded_write( $c, $body );
+ }
+ }
- $self->_writer->close;
- $self->_clear_writer;
- $self->_clear_env;
+ $res->_writer->close;
+ $res->_clear_writer;
+ }
return;
}
-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;
}
$c->res->content_type('text/html; charset=utf-8');
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 ) {
$name = "<h1>$name</h1>";
# Don't show context in the dump
- $c->req->_clear_context;
$c->res->_clear_context;
# Don't show body parser in the dump
(pt) Por favor volte mais tarde
(ru) Попробуйте еще раз позже
(ua) Спробуйте ще раз пізніше
+(it) Per favore riprova più tardi
</pre>
$name = '';
</body>
</html>
-
- # 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);
}
=head2 $self->finalize_headers($c)
-Abstract method, allows engines to write headers to response
+Allows engines to write headers to response
=cut
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;
-
+ $ctx->finalize_headers unless $ctx->response->finalized_headers;
return;
}
-=head2 $self->finalize_read($c)
-
-=cut
-
-sub finalize_read { }
-
=head2 $self->finalize_uploads($c)
Clean up after uploads, deleting temp files.
sub finalize_uploads {
my ( $self, $c ) = @_;
+ # 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};
sub prepare_body {
my ( $self, $c ) = @_;
- 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->tmpdir( $appclass->config->{uploadtmp} )
- if exists $appclass->config->{uploadtmp};
- }
-
- # 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 = $length - $self->read_position;
- if ( $remaining > 0 ) {
- $self->finalize_read($c);
- Catalyst::Exception->throw(
- "Wrong Content-Length value: $length" );
- }
- }
- else {
- # Defined but will cause all body code to be skipped
- $c->request->_body(0);
- }
+ $c->request->prepare_body;
}
=head2 $self->prepare_body_chunk($c)
=cut
+# XXX - Can this be deleted?
sub prepare_body_chunk {
my ( $self, $c, $chunk ) = @_;
- $c->request->_body->add($chunk);
+ $c->request->prepare_body_chunk($chunk);
}
=head2 $self->prepare_body_parameters($c)
sub prepare_body_parameters {
my ( $self, $c ) = @_;
- return unless $c->request->_body;
-
- $c->request->body_parameters( $c->request->_body->param );
-}
-
-=head2 $self->prepare_connection($c)
-
-Abstract method implemented in engines.
-
-=cut
-
-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<CGI::Simple::Cookie> object.
-
-=cut
-
-sub prepare_cookies {
- my ( $self, $c ) = @_;
-
- if ( my $header = $c->request->header('Cookie') ) {
- $c->req->cookies( { CGI::Simple::Cookie->parse($header) } );
- }
-}
-
-=head2 $self->prepare_headers($c)
-
-=cut
-
-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});
- }
+ $c->request->prepare_body_parameters;
}
=head2 $self->prepare_parameters($c)
-sets up parameters from query and post parameters.
+Sets up parameters from query and post parameters.
+If parameters have already been set up will clear
+existing parameters and set up again.
=cut
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 $name (keys %$query_parameters) {
- my $param = $query_parameters->{$name};
- $parameters->{$name} = ref $param eq 'ARRAY' ? [ @$param ] : $param;
- }
-
- # Merge query and body parameters
- 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));
- }
- $parameters->{$name} = @values > 1 ? \@values : $values[0];
- }
+ $c->request->_clear_parameters;
+ return $c->request->parameters;
}
=head2 $self->prepare_path($c)
sub prepare_path {
my ($self, $ctx) = @_;
- my $env = $self->env;
+ my $env = $ctx->request->env;
my $scheme = $ctx->request->secure ? 'https' : 'http';
my $host = $env->{HTTP_HOST} || $env->{SERVER_NAME};
my $base_path = $env->{SCRIPT_NAME} || "/";
# set the request URI
- my $req_uri = $env->{REQUEST_URI};
- $req_uri =~ s/\?.*$//;
- my $path = $req_uri;
- $path =~ s{^/+}{};
+ 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";
sub prepare_query_parameters {
my ($self, $c) = @_;
+ my $env = $c->request->env;
+ my $do_not_decode_query = $c->config->{do_not_decode_query};
+ my $default_query_encoding = $c->config->{default_query_encoding} ||
+ ($c->config->{decode_query_using_global_encoding} ?
+ $c->encoding : 'UTF-8');
+
+ my $decoder = sub {
+ my $str = shift;
+ return $str if $do_not_decode_query;
+ return $str unless $default_query_encoding;
+ return decode( $default_query_encoding, $str);
+ };
- my $query_string = exists $self->env->{QUERY_STRING}
- ? $self->env->{QUERY_STRING}
+ my $query_string = exists $env->{QUERY_STRING}
+ ? $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) );
+ my $keywords = $self->unescape_uri($query_string);
+ $keywords = $decoder->($keywords);
+ $c->request->query_keywords($keywords);
return;
}
- my %query;
-
- # replace semi-colons
- $query_string =~ s/;/&/g;
-
- my @params = grep { length $_ } split /&/, $query_string;
+ $query_string =~ s/\A[&;]+//;
- 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;
- }
- }
+ my $p = Hash::MultiValue->new(
+ map { defined $_ ? $decoder->($self->unescape_uri($_)) : $_ }
+ map { ( split /=/, $_, 2 )[0,1] } # slice forces two elements
+ split /[&;]+/, $query_string
+ );
- $c->request->query_parameters( \%query );
+ $c->request->query_parameters( $c->request->_use_hash_multivalue ? $p : $p->mixed );
}
=head2 $self->prepare_read($c)
-prepare to read from the engine.
+Prepare to read by initializing the Content-Length from headers.
=cut
sub prepare_read {
my ( $self, $c ) = @_;
- # 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 );
+ $c->request->_read_length;
}
=head2 $self->prepare_request(@arguments)
sub prepare_request {
my ($self, $ctx, %args) = @_;
- $self->_set_env($args{env});
+ $ctx->log->psgienv($args{env}) if $ctx->log->can('psgienv');
+ $ctx->request->_set_env($args{env});
+ $self->_set_env($args{env}); # Nasty back compat!
+ $ctx->response->_set_response_cb($args{response_cb});
}
=head2 $self->prepare_uploads($c)
my $request = $c->request;
return unless $request->_body;
+ my $enc = $c->encoding;
my $uploads = $request->_body->upload;
my $parameters = $request->parameters;
foreach my $name (keys %$uploads) {
my $files = $uploads->{$name};
+ $name = $c->_handle_unicode_decoding($name) if $enc;
my @uploads;
for my $upload (ref $files eq 'ARRAY' ? @$files : ($files)) {
my $headers = HTTP::Headers->new( %{ $upload->{headers} } );
+ my $filename = $upload->{filename};
+ $filename = $c->_handle_unicode_decoding($filename) if $enc;
+
my $u = Catalyst::Request::Upload->new
(
size => $upload->{size},
- type => $headers->content_type,
+ type => scalar $headers->content_type,
+ charset => scalar $headers->content_type_charset,
headers => $headers,
tempname => $upload->{tempname},
- filename => $upload->{filename},
+ filename => $filename,
);
push @uploads, $u;
}
}
}
-=head2 $self->prepare_write($c)
+=head2 $self->write($c, $buffer)
+
+Writes the buffer to the client.
+
+=cut
+
+sub write {
+ my ( $self, $c, $buffer ) = @_;
+
+ $c->response->write($buffer);
+}
+
+=head2 $self->unencoded_write($c, $buffer)
-Abstract method. Implemented by the engines.
+Writes the buffer to the client without encoding. Necessary for
+already encoded buffers. Used when a $c->write has been done
+followed by $c->res->body.
=cut
-sub prepare_write { }
+sub unencoded_write {
+ my ( $self, $c, $buffer ) = @_;
+
+ $c->response->unencoded_write($buffer);
+}
=head2 $self->read($c, [$maxlength])
sub read {
my ( $self, $c, $maxlength ) = @_;
- my $remaining = $self->read_length - $self->read_position;
- $maxlength ||= $CHUNKSIZE;
-
- # Are we done reading?
- if ( $remaining <= 0 ) {
- $self->finalize_read($c);
- return;
- }
-
- 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;
- }
- else {
- Catalyst::Exception->throw(
- message => "Unknown error reading input: $!" );
- }
+ $c->request->read($maxlength);
}
-=head2 $self->read_chunk($c, $buffer, $length)
+=head2 $self->read_chunk($c, \$buffer, $length)
Each engine implements read_chunk as its preferred way of reading a chunk
of data. Returns the number of bytes read. A return of 0 indicates that
sub read_chunk {
my ($self, $ctx) = (shift, shift);
- return $self->env->{'psgi.input'}->read(@_);
+ return $ctx->request->read_chunk(@_);
}
-=head2 $self->read_length
+=head2 $self->run($app, $server)
-The length of input data to be read. This is obtained from the Content-Length
-header.
+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..
-=head2 $self->read_position
+=cut
-The amount of input data that has already been read.
+sub run {
+ my ($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?)")
+ }
+ $app->run_options($options);
+ $server->run($psgi, $options);
+}
-=head2 $self->run($c)
+=head2 build_psgi_app ($app, @args)
-Start the engine. Implemented by the various engine classes.
+Builds and returns a PSGI application closure. (Raw, not wrapped in middleware)
=cut
-sub run {
- my ($self, $app, $server, @args) = @_;
- # FIXME - Do something sensible with the options we're passed
- $server->run($self->_build_psgi_app($app, @args));
-}
-
-sub _build_psgi_app {
+sub build_psgi_app {
my ($self, $app, @args) = @_;
- my $psgi_app = sub {
+ return sub {
my ($env) = @_;
return sub {
my ($respond) = @_;
- $self->_set_response_cb($respond);
- $app->handle_request(env => $env);
+ confess("Did not get a response callback for writer, cannot continue") unless $respond;
+ $app->handle_request(env => $env, response_cb => $respond);
};
};
-
- $psgi_app = Plack::Middleware::Conditional->wrap(
- $psgi_app,
- condition => sub {
- my ($env) = @_;
- return if $app->config->{ignore_frontend_proxy};
- return $env->{REMOTE_ADDR} eq '127.0.0.1' || $app->config->{using_frontend_proxy};
- },
- builder => sub { Plack::Middleware::ReverseProxy->wrap($_[0]) },
- );
-
- return $psgi_app;
-}
-
-=head2 $self->write($c, $buffer)
-
-Writes the buffer to the client.
-
-=cut
-
-sub write {
- my ( $self, $c, $buffer ) = @_;
-
- unless ( $self->_prepared_write ) {
- $self->prepare_write($c);
- $self->_prepared_write(1);
- }
-
- return 0 if !defined $buffer;
-
- my $len = length($buffer);
- $self->_writer->write($buffer);
-
- return $len;
}
=head2 $self->unescape_uri($uri)
=head2 $self->env
-Hash containing enviroment variables including many special variables inserted
+Hash containing environment variables including many special variables inserted
by WWW server - like SERVER_*, REMOTE_*, HTTP_* ...
-Before accesing enviroment variables consider whether the same information is
+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 enviroment variable from your Catalyst
+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
=cut
+__PACKAGE__->meta->make_immutable;
+
1;
projects / catagits/Catalyst-Runtime.git / blobdiff