X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FRequest.pm;h=099b13713dcd02dfcf155bad019b9291f314bb0c;hp=f6ffd4ef5e5688804607d8d2a56e0e68f0ee46a1;hb=5fb12dbb7e69039e0ea22ec4d7cb627206b4508b;hpb=b5176d9ee9b99c2550fc202ee25709d431482ede diff --git a/lib/Catalyst/Request.pm b/lib/Catalyst/Request.pm index f6ffd4e..099b137 100644 --- a/lib/Catalyst/Request.pm +++ b/lib/Catalyst/Request.pm @@ -1,185 +1,588 @@ package Catalyst::Request; -use strict; -use base 'Class::Accessor::Fast'; +use IO::Socket qw[AF_INET inet_aton]; +use Carp; +use utf8; +use URI::http; +use URI::https; +use URI::QueryParam; + +use Moose; + +has action => (is => 'rw'); +has address => (is => 'rw'); +has arguments => (is => 'rw', default => sub { [] }); +has cookies => (is => 'rw', default => sub { {} }); +has query_keywords => (is => 'rw'); +has match => (is => 'rw'); +has method => (is => 'rw'); +has protocol => (is => 'rw'); +has query_parameters => (is => 'rw', default => sub { {} }); +has secure => (is => 'rw', default => 0); +has captures => (is => 'rw', default => sub { [] }); +has uri => (is => 'rw'); +has user => (is => 'rw'); +has headers => ( + is => 'rw', + isa => 'HTTP::Headers', + handles => [qw(content_encoding content_length content_type header referer user_agent)], +); + +has _context => ( + is => 'rw', + weak_ref => 1, +); + +has body_parameters => ( + is => 'rw', + required => 1, + lazy => 1, + default => sub { {} }, +); + +before body_parameters => sub { + my ($self) = @_; + $self->_context->prepare_body(); +}; + +has uploads => ( + is => 'rw', + required => 1, + lazy => 1, + default => sub { {} }, +); + +before uploads => sub { + my ($self) = @_; + $self->_context->prepare_body; +}; + +has parameters => ( + is => 'rw', + required => 1, + lazy => 1, + default => sub { {} }, +); + +before parameters => sub { + my ($self, $params) = @_; + $self->_context->prepare_body(); + if ( $params && !ref $params ) { + $self->_context->log->warn( + "Attempt to retrieve '$params' with req->params(), " . + "you probably meant to call req->param('$params')" ); + $params = undef; + } + +}; + +has base => ( + is => 'rw', + required => 1, + lazy => 1, + default => sub { + my $self = shift; + return $self->path if $self->uri; + }, +); + +has body => ( + is => 'rw' +); -__PACKAGE__->mk_accessors( - qw/action address arguments base cookies headers hostname match method - parameters path snippets uploads/ +before body => sub { + my ($self) = @_; + $self->_context->prepare_body(); +}; + +has hostname => ( + is => 'rw', + required => 1, + lazy => 1, + default => sub { + my ($self) = @_; + gethostbyaddr( inet_aton( $self->address ), AF_INET ) + }, ); -*args = \&arguments; -*params = \¶meters; +no Moose; -sub content_encoding { shift->headers->content_encoding(@_) } -sub content_length { shift->headers->content_length(@_) } -sub content_type { shift->headers->content_type(@_) } -sub header { shift->headers->header(@_) } -sub referer { shift->headers->referer(@_) } -sub user_agent { shift->headers->user_agent(@_) } +sub args { shift->arguments(@_) } +sub body_params { shift->body_parameters(@_) } +sub input { shift->body(@_) } +sub params { shift->parameters(@_) } +sub query_params { shift->query_parameters(@_) } +sub path_info { shift->path(@_) } +sub snippets { shift->captures(@_) } =head1 NAME -Catalyst::Request - Catalyst Request Class +Catalyst::Request - provides information about the current client request =head1 SYNOPSIS - $req = $c->request; $req->action; $req->address; - $req->args; $req->arguments; + $req->args; $req->base; + $req->body; + $req->body_parameters; $req->content_encoding; $req->content_length; $req->content_type; + $req->cookie; $req->cookies; $req->header; $req->headers; $req->hostname; + $req->input; + $req->query_keywords; $req->match; $req->method; + $req->param; $req->parameters; $req->params; $req->path; + $req->protocol; + $req->query_parameters; + $req->read; $req->referer; - $req->snippets; + $req->secure; + $req->captures; # previously knows as snippets + $req->upload; $req->uploads; - $req->user_agent + $req->uri; + $req->user; + $req->user_agent; -See also L. +See also L, L. =head1 DESCRIPTION -This is the Catalyst Request class, which provides a set of accessors to the -request data. The request object is prepared by the specialized Catalyst -Engine module thus hiding the details of the particular engine implementation. - +This is the Catalyst Request class, which provides an interface to data for the +current client request. The request object is prepared by L, +thus hiding the details of the particular engine implementation. =head1 METHODS -=over 4 +=head2 $req->action -=item $req->action +[DEPRECATED] Returns the name of the requested action. -Contains the action. - print $c->request->action; +Use C<< $c->action >> instead (which returns a +L object). -=item $req->address +=head2 $req->address -Contains the remote address. +Returns the IP address of the client. - print $c->request->address - -=item $req->arguments - -=item $req->args +=head2 $req->arguments Returns a reference to an array containing the arguments. print $c->request->arguments->[0]; -=item $req->base +For example, if your action was + + package MyApp::C::Foo; + + sub moose : Local { + ... + } + +and the URI for the request was C, the string C +would be the first and only argument. + +=head2 $req->args + +Shortcut for arguments. + +=head2 $req->base + +Contains the URI base. This will always have a trailing slash. + +If your application was queried with the URI +C then C is C. -Contains the uri base. +=head2 $req->body -=item $req->content_encoding +Returns the message body of the request, unless Content-Type is +C or C. -Shortcut to $req->headers->content_encoding +=head2 $req->body_parameters -=item $req->content_length +Returns a reference to a hash containing body (POST) parameters. Values can +be either a scalar or an arrayref containing scalars. -Shortcut to $req->headers->content_length + print $c->request->body_parameters->{field}; + print $c->request->body_parameters->{field}->[0]; -=item $req->content_type +These are the parameters from the POST part of the request, if any. -Shortcut to $req->headers->content_type +=head2 $req->body_params -=item $req->cookies +Shortcut for body_parameters. + +=head2 $req->content_encoding + +Shortcut for $req->headers->content_encoding. + +=head2 $req->content_length + +Shortcut for $req->headers->content_length. + +=head2 $req->content_type + +Shortcut for $req->headers->content_type. + +=head2 $req->cookie + +A convenient method to access $req->cookies. + + $cookie = $c->request->cookie('name'); + @cookies = $c->request->cookie; + +=cut + +sub cookie { + my $self = shift; + + if ( @_ == 0 ) { + return keys %{ $self->cookies }; + } + + if ( @_ == 1 ) { + + my $name = shift; + + unless ( exists $self->cookies->{$name} ) { + return undef; + } + + return $self->cookies->{$name}; + } +} + +=head2 $req->cookies Returns a reference to a hash containing the cookies. print $c->request->cookies->{mycookie}->value; -=item $req->header +The cookies in the hash are indexed by name, and the values are L +objects. + +=head2 $req->header -Shortcut to $req->headers->header +Shortcut for $req->headers->header. -=item $req->headers +=head2 $req->headers -Returns an L object containing the headers. +Returns an L object containing the headers for the current request. print $c->request->headers->header('X-Catalyst'); -=item $req->hostname +=head2 $req->hostname + +Returns the hostname of the client. + +=head2 $req->input + +Alias for $req->body. -Contains the remote hostname. +=head2 $req->query_keywords - print $c->request->hostname +Contains the keywords portion of a query string, when no '=' signs are +present. -=item $req->match + http://localhost/path?some+keywords + + $c->request->query_keywords will contain 'some keywords' -Contains the match. +=head2 $req->match - print $c->request->match; +This contains the matching part of a Regex action. Otherwise +it returns the same as 'action', except for default actions, +which return an empty string. -=item $req->method +=head2 $req->method Contains the request method (C, C, C, etc). - print $c->request->method +=head2 $req->param -=item $req->parameters +Returns GET and POST parameters with a CGI.pm-compatible param method. This +is an alternative method for accessing parameters in $c->req->parameters. -=item $req->params + $value = $c->request->param( 'foo' ); + @values = $c->request->param( 'foo' ); + @params = $c->request->param; -Returns a reference to a hash containing the parameters. +Like L, and B earlier versions of Catalyst, passing multiple +arguments to this method, like this: - print $c->request->parameters->{foo}; + $c->request->param( 'foo', 'bar', 'gorch', 'quxx' ); -=item $req->path +will set the parameter C to the multiple values C, C and +C. Previously this would have added C as another value to C +(creating it if it didn't exist before), and C as another value for +C. -Contains the path. +=cut + +sub param { + my $self = shift; + + if ( @_ == 0 ) { + return keys %{ $self->parameters }; + } + + if ( @_ == 1 ) { - print $c->request->path; + my $param = shift; -=item $req->referer + unless ( exists $self->parameters->{$param} ) { + return wantarray ? () : undef; + } -Shortcut to $req->headers->referer + if ( ref $self->parameters->{$param} eq 'ARRAY' ) { + return (wantarray) + ? @{ $self->parameters->{$param} } + : $self->parameters->{$param}->[0]; + } + else { + return (wantarray) + ? ( $self->parameters->{$param} ) + : $self->parameters->{$param}; + } + } + elsif ( @_ > 1 ) { + my $field = shift; + $self->parameters->{$field} = [@_]; + } +} -=item $req->snippets +=head2 $req->parameters -Returns a reference to an array containing regex snippets. +Returns a reference to a hash containing GET and POST parameters. Values can +be either a scalar or an arrayref containing scalars. - my @snippets = @{ $c->request->snippets }; + print $c->request->parameters->{field}; + print $c->request->parameters->{field}->[0]; -=item $req->uploads +This is the combination of C and C. -Returns a reference to a hash containing the uploads. +=head2 $req->params - my $filename = $c->req->parameters->{foo}; - print $c->request->uploads->{$filename}->{type}; - print $c->request->uploads->{$filename}->{size}; - my $fh = $c->request->uploads->{$filename}->{fh}; - my $content = do { local $/; <$fh> }; +Shortcut for $req->parameters. -=item $req->user_agent +=head2 $req->path -Shortcut to $req->headers->user_agent +Returns the path, i.e. the part of the URI after $req->base, for the current request. -=back +=head2 $req->path_info + +Alias for path, added for compability with L. + +=cut -=head1 AUTHOR +sub path { + my ( $self, @params ) = @_; + + if (@params) { + $self->uri->path(@params); + undef $self->{path}; + } + elsif ( defined( my $path = $self->{path} ) ) { + return $path; + } + else { + my $path = $self->uri->path; + my $location = $self->base->path; + $path =~ s/^(\Q$location\E)?//; + $path =~ s/^\///; + $self->{path} = $path; + + return $path; + } +} + +=head2 $req->protocol + +Returns the protocol (HTTP/1.0 or HTTP/1.1) used for the current request. + +=head2 $req->query_parameters + +=head2 $req->query_params + +Returns a reference to a hash containing query string (GET) parameters. Values can +be either a scalar or an arrayref containing scalars. + + print $c->request->query_parameters->{field}; + print $c->request->query_parameters->{field}->[0]; + +=head2 $req->read( [$maxlength] ) + +Reads a chunk of data from the request body. This method is intended to be +used in a while loop, reading $maxlength bytes on every call. $maxlength +defaults to the size of the request if not specified. + +You have to set MyApp->config->{parse_on_demand} to use this directly. + +=cut + +sub read { shift->_context->read(@_); } + +=head2 $req->referer + +Shortcut for $req->headers->referer. Returns the referring page. + +=head2 $req->secure + +Returns true or false, indicating whether the connection is secure (https). + +=head2 $req->captures + +Returns a reference to an array containing regex captures. + + my @captures = @{ $c->request->captures }; + +=head2 $req->snippets + +C used to be called snippets. This is still available for backwoards +compatibility, but is considered deprecated. + +=head2 $req->upload + +A convenient method to access $req->uploads. + + $upload = $c->request->upload('field'); + @uploads = $c->request->upload('field'); + @fields = $c->request->upload; + + for my $upload ( $c->request->upload('field') ) { + print $upload->filename; + } + +=cut + +sub upload { + my $self = shift; + + if ( @_ == 0 ) { + return keys %{ $self->uploads }; + } + + if ( @_ == 1 ) { + + my $upload = shift; + + unless ( exists $self->uploads->{$upload} ) { + return wantarray ? () : undef; + } + + if ( ref $self->uploads->{$upload} eq 'ARRAY' ) { + return (wantarray) + ? @{ $self->uploads->{$upload} } + : $self->uploads->{$upload}->[0]; + } + else { + return (wantarray) + ? ( $self->uploads->{$upload} ) + : $self->uploads->{$upload}; + } + } + + if ( @_ > 1 ) { + + while ( my ( $field, $upload ) = splice( @_, 0, 2 ) ) { + + if ( exists $self->uploads->{$field} ) { + for ( $self->uploads->{$field} ) { + $_ = [$_] unless ref($_) eq "ARRAY"; + push( @$_, $upload ); + } + } + else { + $self->uploads->{$field} = $upload; + } + } + } +} + +=head2 $req->uploads + +Returns a reference to a hash containing uploads. Values can be either a +L object, or an arrayref of +L objects. + + my $upload = $c->request->uploads->{field}; + my $upload = $c->request->uploads->{field}->[0]; + +=head2 $req->uri + +Returns a URI object for the current request. Stringifies to the URI text. + +=head2 $req->uri_with( { key => 'value' } ); + +Returns a rewritten URI object for the current request. Key/value pairs +passed in will override existing parameters. Unmodified pairs will be +preserved. + +=cut + +sub uri_with { + my( $self, $args ) = @_; + + carp( 'No arguments passed to uri_with()' ) unless $args; + + for my $value ( values %$args ) { + next unless defined $value; + for ( ref $value eq 'ARRAY' ? @$value : $value ) { + $_ = "$_"; + utf8::encode( $_ ) if utf8::is_utf8($_); + } + }; + + my $uri = $self->uri->clone; + + $uri->query_form( { + %{ $uri->query_form_hash }, + %$args + } ); + return $uri; +} + +=head2 $req->user + +Returns the currently logged in user. Deprecated. The method recommended for +newer plugins is $c->user. + +=head2 $req->user_agent + +Shortcut to $req->headers->user_agent. Returns the user agent (browser) +version string. + +=head2 meta + +Provided by Moose + +=head1 AUTHORS Sebastian Riedel, C +Marcus Ramberg, C + =head1 COPYRIGHT -This program is free software, you can redistribute it and/or modify it under -the same terms as Perl itself. +This program is free software, you can redistribute it and/or modify +it under the same terms as Perl itself. =cut +__PACKAGE__->meta->make_immutable; + 1;