=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->match;
$req->method;
$req->param;
- $req->params;
$req->parameters;
+ $req->params;
$req->path;
$req->protocol;
$req->query_parameters;
=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<Catalyst::Engine>,
+thus hiding the details of the particular engine implementation.
=head1 METHODS
-=over 4
-
-=item $req->action
+=head2 $req->action
-Contains the requested action.
+Returns the requested action as a L<Catalyst::Action> object.
- print $c->request->action;
+=head2 $req->address
-=item $req->address
+Returns the IP address of the client.
-Contains the remote address.
-
- print $c->request->address
-
-=item $req->args
-
-Shortcut for arguments
-
-=item $req->arguments
+=head2 $req->arguments
Returns a reference to an array containing the arguments.
...
}
-And the URI for the request was C<http://.../foo/moose/bah> the string C<bah>
+and the URI for the request was C<http://.../foo/moose/bah>, the string C<bah>
would be the first and only argument.
-=item $req->base
+=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<http://localhost:3000/some/path>
-then C<base> is C<http://localhost:3000/>.
+If your application was queried with the URI
+C<http://localhost:3000/some/path> then C<base> is C<http://localhost:3000/>.
=cut
sub base {
my ( $self, $base ) = @_;
-
+
return $self->{base} unless $base;
-
+
$self->{base} = $base;
-
+
# set the value in path for backwards-compat
if ( $self->uri ) {
$self->path;
}
-
+
return $self->{base};
}
-=item $req->body
+=head2 $req->body
-Contains the message body of the request unless Content-Type is
+Returns the message body of the request, unless Content-Type is
C<application/x-www-form-urlencoded> or C<multipart/form-data>.
- print $c->request->body
-
=cut
sub body {
return $self->{_body}->body;
}
-=item $req->body_parameters
+=head2 $req->body_parameters
-Returns a reference to a hash containing body parameters. Values can
+Returns a reference to a hash containing body (POST) parameters. Values can
be either a scalar or an arrayref containing scalars.
print $c->request->body_parameters->{field};
These are the parameters from the POST part of the request, if any.
-=item $req->body_params
+=head2 $req->body_params
-An alias for body_parameters.
+Shortcut for body_parameters.
=cut
return $self->{body_parameters};
}
-=item $req->content_encoding
+=head2 $req->content_encoding
-Shortcut to $req->headers->content_encoding
+Shortcut for $req->headers->content_encoding.
-=item $req->content_length
+=head2 $req->content_length
-Shortcut to $req->headers->content_length
+Shortcut for $req->headers->content_length.
-=item $req->content_type
+=head2 $req->content_type
-Shortcut to $req->headers->content_type
+Shortcut for $req->headers->content_type.
-=item $req->cookie
+=head2 $req->cookie
-A convenient method to $req->cookies.
+A convenient method to access $req->cookies.
$cookie = $c->request->cookie('name');
@cookies = $c->request->cookie;
}
}
-=item $req->cookies
+=head2 $req->cookies
Returns a reference to a hash containing the cookies.
print $c->request->cookies->{mycookie}->value;
-The cookies in the hash are indexed by name, and the values are C<CGI::Cookie>
+The cookies in the hash are indexed by name, and the values are L<CGI::Cookie>
objects.
-=item $req->header
+=head2 $req->header
-Shortcut to $req->headers->header
+Shortcut for $req->headers->header.
-=item $req->headers
+=head2 $req->headers
-Returns an L<HTTP::Headers> object containing the headers.
+Returns an L<HTTP::Headers> object containing the headers for the current request.
print $c->request->headers->header('X-Catalyst');
-=item $req->hostname
+=head2 $req->hostname
-Lookup the current users DNS hostname.
-
- print $c->request->hostname
+Returns the hostname of the client.
=cut
return $self->{hostname};
}
-=item $req->input
+=head2 $req->input
-Shortcut for $req->body.
+Alias for $req->body.
-=item $req->match
+=head2 $req->match
-This contains the matching part of a regexp action. Otherwise
+This contains the matching part of a Regex action. Otherwise
it returns the same as 'action'.
- print $c->request->match;
-
-=item $req->method
+=head2 $req->method
Contains the request method (C<GET>, C<POST>, C<HEAD>, etc).
- print $c->request->method;
-
-=item $req->param
+=head2 $req->param
-Get request parameters with a CGI.pm-compatible param method. This
-is a method for accessing parameters in $c->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.
- $value = $c->request->param('foo');
- @values = $c->request->param('foo');
+ $value = $c->request->param( 'foo' );
+ @values = $c->request->param( 'foo' );
@params = $c->request->param;
+Like L<CGI>, and B<unlike> earlier versions of Catalyst, passing multiple
+arguments to this method, like this:
+
+ $c->request->param( 'foo', 'bar', 'gorch', 'quxx' );
+
+will set the parameter C<foo> to the multiple values C<bar>, C<gorch> and
+C<quxx>. Previously this would have added C<bar> as another value to C<foo>
+(creating it if it didn't exist before), and C<quxx> as another value for
+C<gorch>.
+
=cut
sub param {
: $self->parameters->{$param};
}
}
-
- if ( @_ > 1 ) {
-
- while ( my ( $field, $value ) = splice( @_, 0, 2 ) ) {
-
- next unless defined $field;
-
- if ( exists $self->parameters->{$field} ) {
- for ( $self->parameters->{$field} ) {
- $_ = [$_] unless ref($_) eq "ARRAY";
- push( @$_, $value );
- }
- }
- else {
- $self->parameters->{$field} = $value;
- }
- }
+ elsif ( @_ > 1 ) {
+ my $field = shift;
+ $self->parameters->{$field} = [@_];
}
}
-=item $req->params
-
-Shortcut for $req->parameters.
-
-=item $req->parameters
+=head2 $req->parameters
-Returns a reference to a hash containing parameters. Values can
+Returns a reference to a hash containing GET and POST parameters. Values can
be either a scalar or an arrayref containing scalars.
print $c->request->parameters->{field};
This is the combination of C<query_parameters> and C<body_parameters>.
+=head2 $req->params
+
+Shortcut for $req->parameters.
+
=cut
sub parameters {
return $self->{parameters};
}
-=item $req->path
-
-Contains the path.
+=head2 $req->path
- print $c->request->path;
+Returns the path, i.e. the part of the URI after $req->base, for the current request.
-=item $req->path_info
+=head2 $req->path_info
-alias for path, added for compability with L<CGI>
+Alias for path, added for compability with L<CGI>.
=cut
return $path;
}
-=item $req->protocol
+=head2 $req->protocol
-Contains the protocol.
+Returns the protocol (HTTP/1.0 or HTTP/1.1) used for the current request.
-=item $req->query_parameters
+=head2 $req->query_parameters
-Returns a reference to a hash containing query parameters. Values can
+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];
-
-These are the parameters from the query string portion of the request's URI, if
-any.
-=item $req->read( [$maxlength] )
+=head2 $req->read( [$maxlength] )
-Read a chunk of data from the request body. This method is designed to be
-used in a while loop, reading $maxlength bytes on every call. $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.
sub read { shift->{_context}->read(@_); }
-=item $req->referer
+=head2 $req->referer
-Shortcut to $req->headers->referer. Referring page.
+Shortcut for $req->headers->referer. Returns the referring page.
-=item $req->secure
+=head2 $req->secure
-Contains a boolean denoting whether the communication is secure.
+Returns true or false, indicating whether the connection is secure (https).
-=item $req->snippets
+=head2 $req->snippets
Returns a reference to an array containing regex snippets.
my @snippets = @{ $c->request->snippets };
-=item $req->upload
+=head2 $req->upload
-A convenient method to $req->uploads.
+A convenient method to access $req->uploads.
$upload = $c->request->upload('field');
@uploads = $c->request->upload('field');
}
}
-=item $req->uploads
+=head2 $req->uploads
Returns a reference to a hash containing uploads. Values can be either a
-hashref or a arrayref containing C<Catalyst::Request::Upload> objects.
+hashref or a arrayref containing L<Catalyst::Request::Upload> objects.
my $upload = $c->request->uploads->{field};
my $upload = $c->request->uploads->{field}->[0];
return $self->{uploads};
}
-=item $req->uri
-
-Returns a URI object for the request.
+=head2 $req->uri
-=item $req->user
+Returns a URI object for the current request. Stringifies to the URI text.
-Contains the user name of user if authentication check was successful.
+=head2 $req->user
-=item $req->user_agent
+Returns the currently logged in user. Deprecated. The method recommended for
+newer plugins is $c->user.
-Shortcut to $req->headers->user_agent. User Agent version string.
+=head2 $req->user_agent
-=back
+Shortcut to $req->headers->user_agent. Returns the user agent (browser)
+version string.
-=head1 AUTHOR
+=head1 AUTHORS
Sebastian Riedel, C<sri@cpan.org>
+
Marcus Ramberg, C<mramberg@cpan.org>
=head1 COPYRIGHT