X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FRequest.pm;h=aa2c03d3c62ced41f9844a6beb76a8a25afbfd4e;hb=3c4c7ea9658b71113c851da0148002fffe1bac09;hp=dd1ce9c8b20c8edf6cbc6457650288fa06174209;hpb=6d9209535033b62a5f6c86bd263cd0e93379b231;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/Request.pm b/lib/Catalyst/Request.pm
index dd1ce9c..aa2c03d 100644
--- a/lib/Catalyst/Request.pm
+++ b/lib/Catalyst/Request.pm
@@ -14,6 +14,17 @@ use namespace::clean -except => 'meta';
 
 with 'MooseX::Emulate::Class::Accessor::Fast';
 
+has env => (is => 'ro', writer => '_set_env');
+
+has _read_position => ( is => 'rw', default => 0 );
+has _read_length => ( is => 'ro',
+    default => sub {
+        my $self = shift;
+        $self->header('Content-Length') || 0;
+    },
+    lazy => 1,
+);
+
 has action => (is => 'rw');
 has address => (is => 'rw');
 has arguments => (is => 'rw', default => sub { [] });
@@ -106,11 +117,11 @@ has _body => (
   is => 'rw', clearer => '_clear_body', predicate => '_has_body',
 );
 # Eugh, ugly. Should just be able to rename accessor methods to 'body'
-#             and provide a custom reader.. 
+#             and provide a custom reader..
 sub body {
   my $self = shift;
   $self->_context->prepare_body();
-  $self->_body(@_) if scalar @_;
+  croak 'body is a reader' if scalar @_;
   return blessed $self->_body ? $self->_body->body : $self->_body;
 }
 
@@ -120,7 +131,7 @@ has hostname => (
   lazy      => 1,
   default   => sub {
     my ($self) = @_;
-    gethostbyaddr( inet_aton( $self->address ), AF_INET ) || 'localhost'
+    gethostbyaddr( inet_aton( $self->address ), AF_INET ) || $self->address
   },
 );
 
@@ -138,6 +149,8 @@ sub query_params    { shift->query_parameters(@_) }
 sub path_info       { shift->path(@_) }
 sub snippets        { shift->captures(@_) }
 
+=for stopwords param params
+
 =head1 NAME
 
 Catalyst::Request - provides information about the current client request
@@ -210,7 +223,7 @@ Returns a reference to an array containing the arguments.
 
 For example, if your action was
 
-    package MyApp::C::Foo;
+    package MyApp::Controller::Foo;
 
     sub moose : Local {
         ...
@@ -223,12 +236,12 @@ Arguments get automatically URI-unescaped for you.
 
 =head2 $req->args
 
-Shortcut for arguments.
+Shortcut for L</arguments>.
 
 =head2 $req->base
 
 Contains the URI base. This will always have a trailing slash. Note that the
-URI scheme (eg., http vs. https) must be determined through heuristics;
+URI scheme (e.g., http vs. https) must be determined through heuristics;
 depending on your server configuration, it may be incorrect. See $req->secure
 for more info.
 
@@ -237,8 +250,9 @@ C<http://localhost:3000/some/path> then C<base> is C<http://localhost:3000/>.
 
 =head2 $req->body
 
-Returns the message body of the request, unless Content-Type is
-C<application/x-www-form-urlencoded> or C<multipart/form-data>.
+Returns the message body of the request, as returned by L<HTTP::Body>: a string,
+unless Content-Type is C<application/x-www-form-urlencoded>, C<text/xml>, or
+C<multipart/form-data>, in which case a L<File::Temp> object is returned.
 
 =head2 $req->body_parameters
 
@@ -300,7 +314,7 @@ 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 L<CGI::Cookie>
+The cookies in the hash are indexed by name, and the values are L<CGI::Simple::Cookie>
 objects.
 
 =head2 $req->header
@@ -315,7 +329,7 @@ Returns an L<HTTP::Headers> object containing the headers for the current reques
 
 =head2 $req->hostname
 
-Returns the hostname of the client.
+Returns the hostname of the client. Use C<< $req->uri->host >> to get the hostname of the server.
 
 =head2 $req->input
 
@@ -327,7 +341,7 @@ Contains the keywords portion of a query string, when no '=' signs are
 present.
 
     http://localhost/path?some+keywords
-    
+
     $c->request->query_keywords will contain 'some keywords'
 
 =head2 $req->match
@@ -342,7 +356,7 @@ Contains the request method (C<GET>, C<POST>, C<HEAD>, etc).
 
 =head2 $req->param
 
-Returns GET and POST parameters with a CGI.pm-compatible param method. This 
+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' );
@@ -359,6 +373,21 @@ 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>.
 
+B<NOTE> this is considered a legacy interface and care should be taken when
+using it. C<< scalar $c->req->param( 'foo' ) >> will return only the first
+C<foo> param even if multiple are present; C<< $c->req->param( 'foo' ) >> will
+return a list of as many are present, which can have unexpected consequences
+when writing code of the form:
+
+    $foo->bar(
+        a => 'b',
+        baz => $c->req->param( 'baz' ),
+    );
+
+If multiple C<baz> parameters are provided this code might corrupt data or
+cause a hash initialization error. For a more straightforward interface see
+C<< $c->req->parameters >>.
+
 =cut
 
 sub param {
@@ -411,6 +440,10 @@ Shortcut for $req->parameters.
 
 Returns the path, i.e. the part of the URI after $req->base, for the current request.
 
+    http://localhost/path/foo
+
+    $c->request->path will contain 'path/foo'
+
 =head2 $req->path_info
 
 Alias for path, added for compatibility with L<CGI>.
@@ -451,14 +484,14 @@ 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.
+You have to set MyApp->config(parse_on_demand => 1) to use this directly.
 
 =head2 $req->referer
 
@@ -467,8 +500,8 @@ Shortcut for $req->headers->referer. Returns the referring page.
 =head2 $req->secure
 
 Returns true or false, indicating whether the connection is secure
-(https). Note that the URI scheme (eg., http vs. https) must be determined
-through heuristics, and therefore the reliablity of $req->secure will depend
+(https). Note that the URI scheme (e.g., http vs. https) must be determined
+through heuristics, and therefore the reliability of $req->secure will depend
 on your server configuration. If you are serving secure pages on the standard
 SSL port (443) and/or setting the HTTPS environment variable, $req->secure
 should be valid.
@@ -546,7 +579,7 @@ sub upload {
 =head2 $req->uploads
 
 Returns a reference to a hash containing uploads. Values can be either a
-L<Catalyst::Request::Upload> object, or an arrayref of 
+L<Catalyst::Request::Upload> object, or an arrayref of
 L<Catalyst::Request::Upload> objects.
 
     my $upload = $c->request->uploads->{field};
@@ -554,21 +587,37 @@ L<Catalyst::Request::Upload> objects.
 
 =head2 $req->uri
 
-Returns a URI object for the current request. Stringifies to the URI text.
+Returns a L<URI> object for the current request. Stringifies to the URI text.
 
-=head2 $req->uri_with( { key => 'value' } );
+=head2 $req->mangle_params( { key => 'value' }, $appendmode);
 
-Returns a rewritten URI object for the current request. Key/value pairs
-passed in will override existing parameters. You can remove an existing
-parameter by passing in an undef value. Unmodified pairs will be
-preserved.
+Returns a hashref of parameters stemming from the current request's params,
+plus the ones supplied.  Keys for which no current param exists will be
+added, keys with undefined values will be removed and keys with existing
+params will be replaced.  Note that you can supply a true value as the final
+argument to change behavior with regards to existing parameters, appending
+values rather than replacing them.
+
+A quick example:
+
+  # URI query params foo=1
+  my $hashref = $req->mangle_params({ foo => 2 });
+  # Result is query params of foo=2
+
+versus append mode:
+
+  # URI query params foo=1
+  my $hashref = $req->mangle_params({ foo => 2 }, 1);
+  # Result is query params of foo=1&foo=2
+
+This is the code behind C<uri_with>.
 
 =cut
 
-sub uri_with {
-    my( $self, $args ) = @_;
-    
-    carp( 'No arguments passed to uri_with()' ) unless $args;
+sub mangle_params {
+    my ($self, $args, $append) = @_;
+
+    carp('No arguments passed to mangle_params()') unless $args;
 
     foreach my $value ( values %$args ) {
         next unless defined $value;
@@ -577,21 +626,69 @@ sub uri_with {
             utf8::encode( $_ ) if utf8::is_utf8($_);
         }
     };
-    
-    my $uri   = $self->uri->clone;
-    my %query = ( %{ $uri->query_form_hash }, %$args );
-
-    $uri->query_form( {
-        # remove undef values
-        map { defined $query{ $_ } ? ( $_ => $query{ $_ } ) : () } keys %query
-    } );
-    return $uri;
+
+    my %params = %{ $self->uri->query_form_hash };
+    foreach my $key (keys %{ $args }) {
+        my $val = $args->{$key};
+        if(defined($val)) {
+
+            if($append && exists($params{$key})) {
+
+                # This little bit of heaven handles appending a new value onto
+                # an existing one regardless if the existing value is an array
+                # or not, and regardless if the new value is an array or not
+                $params{$key} = [
+                    ref($params{$key}) eq 'ARRAY' ? @{ $params{$key} } : $params{$key},
+                    ref($val) eq 'ARRAY' ? @{ $val } : $val
+                ];
+
+            } else {
+                $params{$key} = $val;
+            }
+        } else {
+
+            # If the param wasn't defined then we delete it.
+            delete($params{$key});
+        }
+    }
+
+
+    return \%params;
 }
 
-=head2 $req->user
+=head2 $req->uri_with( { key => 'value' } );
+
+Returns a rewritten URI object for the current request. Key/value pairs
+passed in will override existing parameters. You can remove an existing
+parameter by passing in an undef value. Unmodified pairs will be
+preserved.
+
+You may also pass an optional second parameter that puts C<uri_with> into
+append mode:
+
+  $req->uri_with( { key => 'value' }, { mode => 'append' } );
 
-Returns the currently logged in user. B<Highly deprecated>, do not call,
-this will be removed in version 5.81.
+See C<mangle_params> for an explanation of this behavior.
+
+=cut
+
+sub uri_with {
+    my( $self, $args, $behavior) = @_;
+
+    carp( 'No arguments passed to uri_with()' ) unless $args;
+
+    my $append = 0;
+    if((ref($behavior) eq 'HASH') && defined($behavior->{mode}) && ($behavior->{mode} eq 'append')) {
+        $append = 1;
+    }
+
+    my $params = $self->mangle_params($args, $append);
+
+    my $uri = $self->uri->clone;
+    $uri->query_form($params);
+
+    return $uri;
+}
 
 =head2 $req->remote_user
 
@@ -612,7 +709,7 @@ Catalyst Contributors, see Catalyst.pm
 
 =head1 COPYRIGHT
 
-This program is free software, you can redistribute it and/or modify
+This library is free software. You can redistribute it and/or modify
 it under the same terms as Perl itself.
 
 =cut