X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst.pm;h=570abc8878e2cdf2183af75d94eacf356afa6c90;hp=3ec38fcd0307aaca4b6437f7553a12f60e082f26;hb=342d21698a97962c51114b6ebc6bb8626511cfc6;hpb=e25e23a7e56014e6c36e83e1b2d55106186ffe4d diff --git a/lib/Catalyst.pm b/lib/Catalyst.pm old mode 100755 new mode 100644 index 3ec38fc..570abc8 --- a/lib/Catalyst.pm +++ b/lib/Catalyst.pm @@ -47,13 +47,14 @@ use Plack::Middleware::HTTPExceptions; use Plack::Middleware::FixMissingBodyInRedirect; use Plack::Middleware::MethodOverride; use Plack::Middleware::RemoveRedundantBody; +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'); @@ -85,8 +86,10 @@ has response => ( lazy => 1, ); sub _build_response_constructor_args { - my $self = shift; - { _log => $self->log }; + return +{ + _log => $_[0]->log, + encoding => $_[0]->encoding, + }; } has namespace => (is => 'rw'); @@ -117,16 +120,17 @@ __PACKAGE__->mk_classdata($_) 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 = '5.90062'; +our $VERSION = '5.90079_001'; +$VERSION = eval $VERSION if $VERSION =~ /_/; # numify for warning-free dev releases sub import { my ( $class, @arguments ) = @_; @@ -494,23 +498,24 @@ Catalyst). # stash is automatically passed to the view for use in a template $c->forward( 'MyApp::View::TT' ); -=cut +The stash hash is currently stored in the PSGI C<$env> and is managed by +L. Since it's part of the C<$env> items in +the stash can be accessed in sub applications mounted under your main +L application. For example if you delegate the response of an +action to another L 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}; - } - } +For more information the best thing to do is to review the test case: +t/middleware-stash.t in the distribution /t directory. - return $stash; -}; +=cut +sub stash { + my $c = shift; + return Catalyst::Middleware::Stash::get_stash($c->req->env)->(@_); +} =head2 $c->error @@ -564,6 +569,14 @@ sub clear_errors { $c->error(0); } +=head2 $c->has_errors + +Returns true if you have errors + +=cut + +sub has_errors { scalar(@{shift->error}) ? 1:0 } + sub _comp_search_prefixes { my $c = shift; return map $c->components->{ $_ }, $c->_comp_names_search_prefixes(@_); @@ -1000,6 +1013,38 @@ And later: Your log class should implement the methods described in L. +=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 @@ -1173,6 +1218,11 @@ EOF $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 @@ -1252,9 +1302,10 @@ EOF } $class->setup_finalize; - # Should be the last thing we do so that user things hooking - # setup_finalize can log.. + + # Flush the log for good measure (in case something turned off 'autoflush' early) $class->log->_flush() if $class->log->can('_flush'); + return $class || 1; # Just in case someone named their Application 0... } @@ -1323,6 +1374,10 @@ path, use C<< $c->uri_for_action >> instead. # Path to a static resource $c->uri_for('/static/images/logo.png'); +In general the scheme of the generated URI object will follow the incoming request +however if your targeted action or action chain has the Scheme attribute it will +use that instead. + =cut sub uri_for { @@ -1340,30 +1395,38 @@ sub uri_for { ( 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; + } + } } + my $target_action = $path->$_isa('Catalyst::Action') ? $path : undef; 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); @@ -1375,25 +1438,37 @@ sub uri_for { $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 $args =~ s!^/+!!; my ($base, $class) = ('/', 'URI::_generic'); if(blessed($c)) { $base = $c->req->base; - $class = ref($base); + if($target_action) { + $target_action = $c->dispatcher->expand_action($target_action); + if(my $s = $target_action->scheme) { + $s = lc($s); + $class = "URI::$s"; + $base->scheme($s); + } else { + $class = ref($base); + } + } else { + $class = ref($base); + } + $base =~ s{(?{$_}; - 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); } @@ -1739,7 +1820,21 @@ sub execute { if ( my $error = $@ ) { #rethow if this can be handled by middleware - if(blessed $error && ($error->can('as_psgi') || $error->can('code'))) { + if( + blessed $error && ( + $error->can('as_psgi') || + ( + $error->can('code') && + $error->code =~m/^[1-5][0-9][0-9]$/ + ) + ) + ) { + foreach my $err (@{$c->error}) { + $c->log->error($err); + } + $c->clear_errors; + $c->log->_flush if $c->log->can('_flush'); + $error->can('rethrow') ? $error->rethrow : croak $error; } if ( blessed($error) and $error->isa('Catalyst::Exception::Detach') ) { @@ -1866,8 +1961,8 @@ sub finalize { $c->finalize_error; } + $c->finalize_encoding; $c->finalize_headers unless $c->response->finalized_headers; - $c->finalize_body; } @@ -1921,7 +2016,6 @@ sub finalize_error { # In the case where the error 'knows what it wants', becauses its PSGI # aware, just rethow and let middleware catch it $error->can('rethrow') ? $error->rethrow : croak $error; - croak $error; } else { $c->engine->finalize_error( $c, @_ ) } @@ -1955,10 +2049,56 @@ sub finalize_headers { $c->response->finalize_headers(); + if(my $enc = $c->encoding) { + my ($ct, $ct_enc) = $c->response->content_type; + + # Only touch 'text-like' contents + if($c->response->content_type =~ /^text|xml$|javascript$/) { + if ($ct_enc && $ct_enc =~ /charset=([^;]*)/) { + if (uc($1) ne uc($enc->mime_name)) { + $c->log->debug("Catalyst encoding config is set to encode in '" . + $enc->mime_name . + "', content type is '$1', not encoding "); + } + } else { + $c->res->content_type($c->res->content_type . "; charset=" . $enc->mime_name); + } + } + } + # Done $response->finalized_headers(1); } +=head2 $c->finalize_encoding + +Make sure your body is encoded properly IF you set an encoding. By +default the encoding is UTF-8 but you can disable it by explictly setting the +encoding configuration value to undef. + +See L. + +=cut + +sub finalize_encoding { + my $c = shift; + + my $body = $c->response->body; + + return unless defined($body); + + my $enc = $c->encoding; + + return unless $enc; + + # Only touch 'text-like' contents + if($c->response->content_type =~ /^text|xml$|javascript$/) { + if (ref(\$body) eq 'SCALAR') { + $c->response->body( $c->encoding->encode( $body, $c->_encode_check ) ); + } + } +} + =head2 $c->finalize_output An alias for finalize_body. @@ -2020,7 +2160,15 @@ sub handle_request { $status = $c->finalize; } catch { #rethow if this can be handled by middleware - if(blessed $_ && ($_->can('as_psgi') || $_->can('code'))) { + if( + blessed($_) && ( + $_->can('as_psgi') || + ( + $_->can('code') && + $_->code =~m/^[1-5][0-9][0-9]$/ + ) + ) + ) { $_->can('rethrow') ? $_->rethrow : croak $_; } chomp(my $error = $_); @@ -2118,7 +2266,19 @@ Prepares action. See L. =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 @@ -2158,7 +2318,7 @@ Prepares body parameters. sub prepare_body_parameters { my $c = shift; - $c->engine->prepare_body_parameters( $c, @_ ); + $c->request->prepare_body_parameters( $c, @_ ); } =head2 $c->prepare_connection @@ -2169,9 +2329,7 @@ Prepares 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 @@ -2254,6 +2412,10 @@ sub log_request { $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); @@ -2438,7 +2600,6 @@ Prepares uploads. sub prepare_uploads { my $c = shift; - $c->engine->prepare_uploads( $c, @_ ); } @@ -2593,18 +2754,15 @@ sub locate_components { my $class = shift; my $config = shift; - my @paths = qw( ::Controller ::C ::Model ::M ::View ::V ); + my @paths = qw( ::M ::Model ::V ::View ::C ::Controller ); my $extra = delete $config->{ search_extra } || []; - push @paths, @$extra; - - my $locator = Module::Pluggable::Object->new( - search_path => [ map { s/^(?=::)/$class/; $_; } @paths ], - %$config - ); + unshift @paths, @$extra; - # XXX think about ditching this sort entirely - my @comps = sort { length $a <=> length $b } $locator->plugins; + my @comps = map { sort { length($a) <=> length($b) } Module::Pluggable::Object->new( + search_path => [ map { s/^(?=::)/$class/; $_; } ($_) ], + %$config + )->plugins } @paths; return @comps; } @@ -2875,7 +3033,9 @@ sub apply_default_middlewares { 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 @@ -2886,6 +3046,8 @@ reference of your Catalyst application for use in F<.psgi> files. =cut +*to_app = \&psgi_app; + sub psgi_app { my ($app) = @_; my $psgi = $app->engine->build_psgi_app($app); @@ -2914,6 +3076,91 @@ sub setup_home { } } +=head2 $c->setup_encoding + +Sets up the input/output encoding. See L + +=cut + +sub setup_encoding { + my $c = shift; + if( exists($c->config->{encoding}) && !defined($c->config->{encoding}) ) { + # Ok, so the user has explicitly said "I don't want encoding..." + return; + } else { + my $enc = defined($c->config->{encoding}) ? + delete $c->config->{encoding} : 'UTF-8'; # not sure why we delete it... (JNAP) + $c->encoding($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 object and @@ -3024,7 +3271,7 @@ the plugin name does not begin with C. return $class; } - sub _default_plugins { return qw(Unicode::Encoding) } + sub _default_plugins { return qw() } sub setup_plugins { my ( $class, $plugins ) = @_; @@ -3107,12 +3354,17 @@ which sounds odd but is likely how you expect it to work if you have prior experience with L or if you previously used the plugin L (which is now considered deprecated) +So basically your middleware handles an incoming request from the first +registered middleware, down and handles the response from the last middleware +up. + =cut sub registered_middlewares { my $class = shift; if(my $middleware = $class->_psgi_middleware) { return ( + Catalyst::Middleware::Stash->new, Plack::Middleware::HTTPExceptions->new, Plack::Middleware::RemoveRedundantBody->new, Plack::Middleware::FixMissingBodyInRedirect->new, @@ -3128,7 +3380,7 @@ sub registered_middlewares { sub setup_middleware { my $class = shift; my @middleware_definitions = @_ ? - @_ : reverse(@{$class->config->{'psgi_middleware'}||[]}); + reverse(@_) : reverse(@{$class->config->{'psgi_middleware'}||[]}); my @middleware = (); while(my $next = shift(@middleware_definitions)) { @@ -3194,7 +3446,8 @@ sub registered_data_handlers { if(my $data_handlers = $class->_data_handlers) { return %$data_handlers; } else { - die "You cannot call ->registered_data_handlers until data_handers has been setup"; + $class->setup_data_handlers; + return $class->registered_data_handlers; } } @@ -3394,6 +3647,9 @@ C - See L. C - See L +This now defaults to 'UTF-8'. You my turn it off by setting this configuration +value to undef. + =item * C @@ -3583,7 +3839,7 @@ example given above, which uses L to provide either L it installed (if you want the faster XS parser, add it to you project Makefile.PL or dist.ini, cpanfile, etc.) -The C configuation is a hashref whose keys are HTTP Content-Types +The C configuration is a hashref whose keys are HTTP Content-Types (matched against the incoming request type using a regexp such as to be case insensitive) and whose values are coderefs that receive a localized version of C<$_> which is a filehandle object pointing to received body. @@ -3739,6 +3995,9 @@ Please see L for more on middleware. On request, decodes all params from encoding into a sequence of logical characters. On response, encodes body into encoding. +By default encoding is now 'UTF-8'. You may turn it off by setting +the encoding configuration to undef. + =head2 Methods =over 4 @@ -3948,6 +4207,8 @@ t0m: Tomas Doran Ulf Edvinsson +vanstyn: Henry Van Styn + Viljo Marrandi C Will Hawes C