use Catalyst::Middleware::Stash;
use Plack::Util;
use Class::Load 'load_class';
+use Encode 2.21 'decode_utf8', 'encode_utf8';
BEGIN { require 5.008003; }
has stack => (is => 'ro', default => sub { [] });
-#has stash => (is => 'rw', default => sub { {} });
has state => (is => 'rw', default => 0);
has stats => (is => 'rw');
has action => (is => 'rw');
for qw/components arguments dispatcher engine log dispatcher_class
engine_loader context_class request_class response_class stats_class
setup_finished _psgi_app loading_psgi_file run_options _psgi_middleware
- _data_handlers/;
+ _data_handlers _encoding _encode_check/;
__PACKAGE__->dispatcher_class('Catalyst::Dispatcher');
__PACKAGE__->request_class('Catalyst::Request');
__PACKAGE__->response_class('Catalyst::Response');
__PACKAGE__->stats_class('Catalyst::Stats');
+__PACKAGE__->_encode_check(Encode::FB_CROAK | Encode::LEAVE_SRC);
# Remember to update this in Catalyst::Runtime as well!
-
-our $VERSION = '5.90069_001';
+our $VERSION = '5.90080_001';
+$VERSION = eval $VERSION if $VERSION =~ /_/; # numify for warning-free dev releases
sub import {
my ( $class, @arguments ) = @_;
# stash is automatically passed to the view for use in a template
$c->forward( 'MyApp::View::TT' );
+The stash hash is currently stored in the PSGI C<$env> and is managed by
+L<Catalyst::Middleware::Stash>. Since it's part of the C<$env> items in
+the stash can be accessed in sub applications mounted under your main
+L<Catalyst> application. For example if you delegate the response of an
+action to another L<Catalyst> application, that sub application will have
+access to all the stash keys of the main one, and if can of course add
+more keys of its own. However those new keys will not 'bubble' back up
+to the main application.
-
-around stash => sub {
- my $orig = shift;
- my $c = shift;
- my $stash = $orig->($c);
- if (@_) {
- my $new_stash = @_ > 1 ? {@_} : $_[0];
- croak('stash takes a hash or hashref') unless ref $new_stash;
- foreach my $key ( keys %$new_stash ) {
- $stash->{$key} = $new_stash->{$key};
- }
- }
-
- return $stash;
-};
+For more information the best thing to do is to review the test case:
+t/middleware-stash.t in the distribution /t directory.
=cut
sub stash {
my $c = shift;
- my $stash = Catalyst::Middleware::Stash->get($c->req->env);
- if(@_) {
- my $new_stash = @_ > 1 ? {@_} : $_[0];
- croak('stash takes a hash or hashref') unless ref $new_stash;
- foreach my $key ( keys %$new_stash ) {
- $stash->{$key} = $new_stash->{$key};
- }
- }
- return $stash;
+ return Catalyst::Middleware::Stash::get_stash($c->req->env)->(@_);
}
=head2 $c->error
Your log class should implement the methods described in
L<Catalyst::Log>.
+=head2 encoding
+
+Sets or gets the application encoding.
+
+=cut
+
+sub encoding {
+ my $c = shift;
+ my $encoding;
+
+ if ( scalar @_ ) {
+ # Let it be set to undef
+ if (my $wanted = shift) {
+ $encoding = Encode::find_encoding($wanted)
+ or Carp::croak( qq/Unknown encoding '$wanted'/ );
+ binmode(STDERR, ':encoding(' . $encoding->name . ')');
+ }
+ else {
+ binmode(STDERR);
+ }
+
+ $encoding = ref $c
+ ? $c->{encoding} = $encoding
+ : $c->_encoding($encoding);
+ } else {
+ $encoding = ref $c && exists $c->{encoding}
+ ? $c->{encoding}
+ : $c->_encoding;
+ }
+
+ return $encoding;
+}
=head2 $c->debug
$class->setup unless $Catalyst::__AM_RESTARTING;
}
+ # If you are expecting configuration info as part of your setup, it needs
+ # to get called here and below, since we need the above line to support
+ # ConfigLoader based configs.
+
+ $class->setup_encoding();
$class->setup_middleware();
# Initialize our data structure
( scalar @args && ref $args[$#args] eq 'HASH' ? pop @args : {} );
carp "uri_for called with undef argument" if grep { ! defined $_ } @args;
+
+ my @encoded_args = ();
foreach my $arg (@args) {
- utf8::encode($arg) if utf8::is_utf8($arg);
- $arg =~ s/([^$URI::uric])/$URI::Escape::escapes{$1}/go;
+ if(ref($arg)||'' eq 'ARRAY') {
+ push @encoded_args, [map {
+ my $encoded = encode_utf8 $_;
+ $encoded =~ s/([^$URI::uric])/$URI::Escape::escapes{$1}/go;
+ $encoded;
+ } @$arg];
+ } else {
+ push @encoded_args, do {
+ my $encoded = encode_utf8 $arg;
+ $encoded =~ s/([^$URI::uric])/$URI::Escape::escapes{$1}/go;
+ $encoded;
+ }
+ }
}
if ( $path->$_isa('Catalyst::Action') ) { # action object
- s|/|%2F|g for @args;
+ s|/|%2F|g for @encoded_args;
my $captures = [ map { s|/|%2F|g; $_; }
- ( scalar @args && ref $args[0] eq 'ARRAY'
- ? @{ shift(@args) }
+ ( scalar @encoded_args && ref $encoded_args[0] eq 'ARRAY'
+ ? @{ shift(@encoded_args) }
: ()) ];
- foreach my $capture (@$captures) {
- utf8::encode($capture) if utf8::is_utf8($capture);
- $capture =~ s/([^$URI::uric])/$URI::Escape::escapes{$1}/go;
- }
-
my $action = $path;
# ->uri_for( $action, \@captures_and_args, \%query_values? )
- if( !@args && $action->number_of_args ) {
+ if( !@encoded_args && $action->number_of_args ) {
my $expanded_action = $c->dispatcher->expand_action( $action );
my $num_captures = $expanded_action->number_of_captures;
- unshift @args, splice @$captures, $num_captures;
+ unshift @encoded_args, splice @$captures, $num_captures;
}
$path = $c->dispatcher->uri_for_action($action, $captures);
$path = '/' if $path eq '';
}
- unshift(@args, $path);
+ unshift(@encoded_args, $path);
unless (defined $path && $path =~ s!^/!!) { # in-place strip
my $namespace = $c->namespace;
if (defined $path) { # cheesy hack to handle path '../foo'
- $namespace =~ s{(?:^|/)[^/]+$}{} while $args[0] =~ s{^\.\./}{};
+ $namespace =~ s{(?:^|/)[^/]+$}{} while $encoded_args[0] =~ s{^\.\./}{};
}
- unshift(@args, $namespace || '');
+ unshift(@encoded_args, $namespace || '');
}
# join args with '/', or a blank string
- my $args = join('/', grep { defined($_) } @args);
+ my $args = join('/', grep { defined($_) } @encoded_args);
$args =~ s/\?/%3F/g; # STUPID STUPID SPECIAL CASE
$args =~ s!^/+!!;
# somewhat lifted from URI::_query's query_form
$query = '?'.join('&', map {
my $val = $params->{$_};
- s/([;\/?:@&=+,\$\[\]%])/$URI::Escape::escapes{$1}/go;
+ #s/([;\/?:@&=+,\$\[\]%])/$URI::Escape::escapes{$1}/go; ## Commented out because seems to lead to double encoding - JNAP
s/ /+/g;
my $key = $_;
$val = '' unless defined $val;
(map {
my $param = "$_";
- utf8::encode( $param ) if utf8::is_utf8($param);
+ $param = encode_utf8($param);
# using the URI::Escape pattern here so utf8 chars survive
$param =~ s/([^A-Za-z0-9\-_.!~*'() ])/$URI::Escape::escapes{$1}/go;
$param =~ s/ /+/g;
+
+ $key = encode_utf8($key);
+ # using the URI::Escape pattern here so utf8 chars survive
+ $key =~ s/([^A-Za-z0-9\-_.!~*'() ])/$URI::Escape::escapes{$1}/go;
+ $key =~ s/ /+/g;
+
"${key}=$param"; } ( ref $val eq 'ARRAY' ? @$val : $val ));
} @keys);
}
$c->finalize_error;
}
+ $c->finalize_encoding;
$c->finalize_headers unless $c->response->finalized_headers;
-
$c->finalize_body;
}
$response->finalized_headers(1);
}
+=head2 $c->finalize_encoding
+
+Make sure your headers and body are encoded properly IF you set an encoding.
+See L</ENCODING>.
+
+=cut
+
+sub finalize_encoding {
+ my $c = shift;
+
+ my $body = $c->response->body;
+
+ return unless defined($body);
+
+ my $enc = $c->encoding;
+
+ return unless $enc;
+
+ my ($ct, $ct_enc) = $c->response->content_type;
+
+ # Only touch 'text-like' contents
+ return unless $c->response->content_type =~ /^text|xml$|javascript$/;
+
+ if ($ct_enc && $ct_enc =~ /charset=([^;]*)/) {
+ if (uc($1) ne uc($enc->mime_name)) {
+ $c->log->debug("Unicode::Encoding is set to encode in '" .
+ $enc->mime_name .
+ "', content type is '$1', not encoding ");
+ return;
+ }
+ } else {
+ $c->res->content_type($c->res->content_type . "; charset=" . $enc->mime_name);
+ }
+
+ # Oh my, I wonder what filehandle responses and streams do... - jnap.
+ # Encode expects plain scalars (IV, NV or PV) and segfaults on ref's
+ if (ref(\$body) eq 'SCALAR') {
+ $c->response->body( $c->encoding->encode( $body, $c->_encode_check ) );
+ };
+}
+
=head2 $c->finalize_output
An alias for finalize_body.
=cut
-sub prepare_action { my $c = shift; $c->dispatcher->prepare_action( $c, @_ ) }
+sub prepare_action {
+ my $c = shift;
+ my $ret = $c->dispatcher->prepare_action( $c, @_);
+
+ if($c->encoding) {
+ foreach (@{$c->req->arguments}, @{$c->req->captures}) {
+ $_ = $c->_handle_param_unicode_decoding($_);
+ }
+ }
+
+ return $ret;
+}
+
=head2 $c->prepare_body
sub prepare_body_parameters {
my $c = shift;
- $c->engine->prepare_body_parameters( $c, @_ );
+ $c->request->prepare_body_parameters( $c, @_ );
+
+ # If we have an encoding configured (like UTF-8) in general we expect a client
+ # to POST with the encoding we fufilled the request in. Otherwise don't do any
+ # encoding (good change wide chars could be in HTML entity style llike the old
+ # days -JNAP
+
+ # so, now that HTTP::Body prepared the body params, we gotta 'walk' the structure
+ # and do any needed decoding.
+
+ # This only does something if the encoding is set via the encoding param. Remember
+ # this is assuming the client is not bad and responds with what you provided. In
+ # general you can just use utf8 and get away with it.
+
+ if($c->encoding) {
+ my $current_parameters = $c->request->body_parameters;
+ $c->request->body_parameters($c->_handle_unicode_decoding($current_parameters));
+ }
}
=head2 $c->prepare_connection
sub prepare_connection {
my $c = shift;
- # XXX - This is called on the engine (not the request) to maintain
- # Engine::PSGI back compat.
- $c->engine->prepare_connection($c);
+ $c->request->prepare_connection($c);
}
=head2 $c->prepare_cookies
$method ||= '';
$path = '/' unless length $path;
$address ||= '';
+
+ $path =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;
+ $path = decode_utf8($path);
+
$c->log->debug(qq/"$method" request for "$path" from "$address"/);
$c->log_request_headers($request->headers);
sub prepare_uploads {
my $c = shift;
-
$c->engine->prepare_uploads( $c, @_ );
}
return $psgi_app;
}
-=head2 $c->psgi_app
+=head2 App->psgi_app
+
+=head2 App->to_app
Returns a PSGI application code reference for the catalyst application
C<$c>. This is the bare application without any middlewares
=cut
+*to_app = \&psgi_app;
+
sub psgi_app {
my ($app) = @_;
my $psgi = $app->engine->build_psgi_app($app);
}
}
+=head2 $c->setup_encoding
+
+Sets up the input/output encoding. See L<ENCODING>
+
+=cut
+
+sub setup_encoding {
+ my $c = shift;
+ my $enc = delete $c->config->{encoding};
+ $c->encoding( $enc ) if defined $enc;
+}
+
+=head2 handle_unicode_encoding_exception
+
+Hook to let you customize how encoding errors are handled. By default
+we just throw an exception. Receives a hashref of debug information.
+Example:
+
+ $c->handle_unicode_encoding_exception({
+ param_value => $value,
+ error_msg => $_,
+ encoding_step => 'params',
+ });
+
+=cut
+
+sub handle_unicode_encoding_exception {
+ my ( $self, $exception_ctx ) = @_;
+ die $exception_ctx->{error_msg};
+}
+
+# Some unicode helpers cargo culted from the old plugin. These could likely
+# be neater.
+
+sub _handle_unicode_decoding {
+ my ( $self, $value ) = @_;
+
+ return unless defined $value;
+
+ ## I think this mess is to support the old nested
+ if ( ref $value eq 'ARRAY' ) {
+ foreach ( @$value ) {
+ $_ = $self->_handle_unicode_decoding($_);
+ }
+ return $value;
+ }
+ elsif ( ref $value eq 'HASH' ) {
+ foreach (keys %$value) {
+ my $encoded_key = $self->_handle_param_unicode_decoding($_);
+ $value->{$encoded_key} = $self->_handle_unicode_decoding($value->{$_});
+
+ # If the key was encoded we now have two (the original and current so
+ # delete the original.
+ delete $value->{$_} if $_ ne $encoded_key;
+ }
+ return $value;
+ }
+ else {
+ return $self->_handle_param_unicode_decoding($value);
+ }
+}
+
+sub _handle_param_unicode_decoding {
+ my ( $self, $value ) = @_;
+ return unless defined $value; # not in love with just ignoring undefs - jnap
+
+ my $enc = $self->encoding;
+ return try {
+ $enc->decode( $value, $self->_encode_check );
+ }
+ catch {
+ $self->handle_unicode_encoding_exception({
+ param_value => $value,
+ error_msg => $_,
+ encoding_step => 'params',
+ });
+ };
+}
+
=head2 $c->setup_log
Sets up log by instantiating a L<Catalyst::Log|Catalyst::Log> object and
return $class;
}
- sub _default_plugins { return qw(Unicode::Encoding) }
+ sub _default_plugins { return qw() }
sub setup_plugins {
my ( $class, $plugins ) = @_;