[Jifty-commit] r774 - in jifty/trunk: lib/Jifty lib/Jifty/Handler
lib/Jifty/View/Static
jifty-commit at lists.jifty.org
jifty-commit at lists.jifty.org
Fri Mar 31 03:25:57 EST 2006
Author: jesse
Date: Fri Mar 31 03:25:56 2006
New Revision: 774
Added:
jifty/trunk/lib/Jifty/View/Static/
jifty/trunk/lib/Jifty/View/Static/Handler.pm
Removed:
jifty/trunk/lib/Jifty/Handler/Static.pm
Modified:
jifty/trunk/ (props changed)
jifty/trunk/lib/Jifty/Everything.pm
jifty/trunk/lib/Jifty/Handler.pm
Log:
r10646 at hualien: jesse | 2006-03-31 13:43:22 +0900
* Moved the static content handler into the View hierarchy
Modified: jifty/trunk/lib/Jifty/Everything.pm
==============================================================================
--- jifty/trunk/lib/Jifty/Everything.pm (original)
+++ jifty/trunk/lib/Jifty/Everything.pm Fri Mar 31 03:25:56 2006
@@ -32,7 +32,7 @@
use Jifty::Logger ();
use Jifty::Handler ();
-use Jifty::Handler::Static ();
+use Jifty::View::Static::Handler ();
use Jifty::View::Mason::Handler ();
use Jifty::Model::Schema ();
Modified: jifty/trunk/lib/Jifty/Handler.pm
==============================================================================
--- jifty/trunk/lib/Jifty/Handler.pm (original)
+++ jifty/trunk/lib/Jifty/Handler.pm Fri Mar 31 03:25:56 2006
@@ -53,7 +53,7 @@
Jifty::Util->require( $self->dispatcher );
$self->mason( Jifty::View::Mason::Handler->new( $self->mason_config ) );
- $self->static_handler(Jifty::Handler::Static->new());
+ $self->static_handler(Jifty::View::Static::Handler->new());
return $self;
}
Added: jifty/trunk/lib/Jifty/View/Static/Handler.pm
==============================================================================
--- (empty file)
+++ jifty/trunk/lib/Jifty/View/Static/Handler.pm Fri Mar 31 03:25:56 2006
@@ -0,0 +1,220 @@
+use warnings;
+use strict;
+use File::MMagic ();
+use MIME::Types ();
+use Compress::Zlib ();
+use HTTP::Date ();
+
+
+package Jifty::View::Static::Handler;
+
+use base qw/Jifty::Object/;
+
+our $mime = MIME::Types->new();
+our $magic = File::MMagic->new();
+
+=head1 NAME
+
+Jifty::View::Static::Handler
+
+head1 DESCRIPTION
+
+This class takes care of serving out static files for a Jifty application.
+
+When fully operational, it will use an algorithm along the lines of the following:
+
+* Static files are served out of a separate root
+* If static files go through apache:
+ * How do we merge together the two static roots?
+* If static files go through Jifty::Handler
+ * We need a flag to allow them to go through the dispatcher, too
+ * return "True" (304) for if-modified-since unless develmode.
+ * if the browser accepts gzipped data,
+ see if we have a cached gzipped copy
+ if so, send it
+ see if we have a marker indicating that gzip is a lose
+ if so, send uncompressed
+
+ gzip the content
+ send the gzipped content
+ * if the browser doesn't accept gzipped content
+ send the content uncompressed
+
+
+=cut
+
+
+=head2 new
+
+Create a new static file handler. Likely, only the C<Jifty::Handler> needs to do this.
+
+=cut
+sub new {
+ my $class = shift;
+ my $self = {};
+ bless $self, $class;
+}
+
+
+=head2 handle_request $path
+
+Handle a request for C<$path>. If we can't find a static file of that name, return undef.
+
+
+=cut
+
+sub handle_request {
+ my $self = shift;
+ my $path = shift;
+
+ #if ( Jifty->handler->cgi->http('If-Modified-Since') and not Jifty->config->framework('DevelMode') ) { $self->respond_not_modified(); }
+
+ my $local_path = $self->file_path($path);
+ unless ($local_path) {
+ return undef;
+ }
+
+ my $mime_type = $self->mime_type($local_path);
+
+ if ( $self->client_accepts_gzipped_content and $mime_type =~ m!^(text/|application/x-javascript)! ) {
+ return $self->send_file($local_path, $mime_type, 'gzip');
+ } else {
+ return $self->send_file($local_path, $mime_type, 'uncompressed');
+ }
+
+}
+
+
+=head2 client_accepts_gzipped_content
+
+Returns true if it looks like the client accepts gzip encoding. Otherwise, returns false.
+
+
+=cut
+
+
+sub client_accepts_gzipped_content {
+ my $self = shift;
+ return Jifty->handler->cgi->http('Accept-Encoding') =~ /\bgzip\b/;
+}
+
+
+=head2 file_path $path
+
+Returns the system path for C<$path>, inside the application's static root or, failing that, Jifty's static root.
+Returns undef if it can't find the file in either path.
+
+=cut
+
+sub file_path {
+ my $self = shift;
+ my $file = shift;
+ my @options = (qw(StaticRoot DefaultStaticRoot));
+
+ # Chomp a leading "/static" - should this be configurable?
+ $file =~ s/^\/*?static//;
+
+ foreach my $path (@options) {
+
+ my $abspath = Jifty::Util->absolute_path(
+ Jifty->config->framework('Web')->{$path} . "/" . $file );
+
+ return $abspath if ( -f $abspath && -r $abspath );
+
+ }
+ return undef;
+
+}
+
+=head2 mime_type $path
+
+Returns the mime type of the file whose path on disk is C<$path>. Tries to use
+L<MIME::Types> to guess first. If that fails, it falls back to C<File::MMagic>.
+
+=cut
+
+sub mime_type {
+ my $self = shift;
+ my $local_path = shift;
+
+ my $mimeobj = $mime->mimeTypeOf($local_path);
+ my $mime_type = (
+ $mimeobj
+ ? $mimeobj->type
+ : $magic->checktype_filename($local_path)
+ );
+
+ return ($mime_type);
+}
+
+
+=head2 send_file $path $mimetype $compression
+
+Print C<$path> to STDOUT (the client), identified with a mimetype of C<$mimetype>.
+
+If C<$compression> is C<gzip>, gzip the output stream.
+
+
+=cut
+
+
+sub send_file {
+ my $self = shift;
+ my $local_path = shift;
+ my $mime_type = shift;
+ my $compression = shift;
+
+
+ my $fh = IO::File->new( $local_path, 'r' );
+ if ( defined $fh ) {
+ binmode $fh;
+
+ # This is designed to work under CGI or FastCGI; will need an
+ # abstraction for mod_perl
+
+ # Clear out the mason output, if any
+ Jifty->web->mason->clear_buffer if Jifty->web->mason;
+
+ my @file_info = stat($local_path);
+ my $apache = Jifty->handler->apache;
+
+ $apache->header_out( Status => 200 );
+ $apache->content_type($mime_type);
+ my $now = time();
+ $apache->header_out(Expires => HTTP::Date::time2str($now + 31536000)); # Expire in a year
+ $apache->header_out('Last-Modified' => HTTP::Date::time2str( $file_info[9]));
+ $apache->header_out('Content-Length' => $file_info[7]) unless ($compression eq 'gzip');
+
+ $apache->header_out( "Content-Encoding" => "gzip") if ($compression eq 'gzip');
+ $apache->send_http_header();
+
+ if ($compression eq 'gzip') {
+ undef $/;
+ binmode STDOUT;
+ # XXX TODO: Cache this
+ print STDOUT Compress::Zlib::memGzip(<$fh>);
+ } else{
+ $apache->send_fd($fh);
+ }
+ close($fh);
+ return 1;
+ } else {
+ return undef;
+ }
+}
+
+
+=head2 send_not_modified
+
+Sends a "304 Not modified" response to the browser, telling it to use a cached copy.
+
+=cut
+
+sub send_not_modified {
+ my $self = shift;
+ Jifty->handler->apache->header_out( Status => 304 );
+ return 1;
+
+}
+
+1;
More information about the Jifty-commit
mailing list