1 package Catalyst::Plugin::Static::Simple;
4 use base qw/Class::Accessor::Fast Class::Data::Inheritable/;
10 our $VERSION = '0.06';
12 __PACKAGE__->mk_classdata( qw/_mime_types/ );
13 __PACKAGE__->mk_accessors( qw/_static_file
17 # prepare_action is used to first check if the request path is a static file.
18 # If so, we skip all other prepare_action steps to improve performance.
21 my $path = $c->req->path;
23 # is the URI in a static-defined path?
24 foreach my $dir ( @{ $c->config->{static}->{dirs} } ) {
25 my $re = ( $dir =~ /^qr\//xms ) ? eval $dir : qr/^${dir}/;
27 $c->error( "Error compiling static dir regex '$dir': $@" );
30 if ( $c->_locate_static_file ) {
31 $c->_debug_msg( "from static directory" )
32 if ( $c->config->{static}->{debug} );
35 $c->_debug_msg( "404: file not found: $path" )
36 if ( $c->config->{static}->{debug} );
37 $c->res->status( 404 );
43 # Does the path have an extension?
44 if ( $path =~ /.*\.(\S{1,})$/xms ) {
46 return if ( $c->_locate_static_file );
49 return $c->NEXT::prepare_action(@_);
52 # dispatch takes the file found during prepare_action and serves it
56 return undef if ( $c->res->status == 404 );
58 if ( $c->_static_file ) {
59 return $c->_serve_static;
62 return $c->NEXT::dispatch(@_);
66 # finalize serves up final header information
70 # display all log messages
71 if ( $c->config->{static}->{debug} && scalar @{$c->_debug_msg} ) {
72 $c->log->debug( "Static::Simple: Serving " .
73 join( " ", @{$c->_debug_msg} )
77 # return DECLINED when under mod_perl
78 if ( $c->config->{static}->{use_apache} && $c->_apache_mode ) {
79 my $engine = $c->_apache_mode;
81 if ( $engine == 13 ) {
82 return Apache::Constants::DECLINED;
84 elsif ( $engine == 19 ) {
85 return Apache::Const::DECLINED;
87 elsif ( $engine == 20 ) {
88 return Apache2::Const::DECLINED;
92 if ( $c->res->status =~ /^(1\d\d|[23]04)$/xms ) {
93 $c->res->headers->remove_content_headers;
94 return $c->finalize_headers;
97 return $c->NEXT::finalize(@_);
105 $c->config->{static}->{dirs} ||= [];
106 $c->config->{static}->{include_path} ||= [ $c->config->{root} ];
107 $c->config->{static}->{mime_types} ||= {};
108 $c->config->{static}->{use_apache} ||= 0;
109 $c->config->{static}->{debug} ||= $c->debug;
111 # load up a MIME::Types object, only loading types with
112 # at least 1 file extension
113 $c->_mime_types( MIME::Types->new( only_complete => 1 ) );
114 # preload the type index hash so it's not built on the first request
115 $c->_mime_types->create_type_index;
118 # Search through all included directories for the static file
119 # Based on Template Toolkit INCLUDE_PATH code
120 sub _locate_static_file {
123 my $path = $c->req->path;
125 my @ipaths = @{ $c->config->{static}->{include_path} };
127 my $count = 64; # maximum number of directories to search
129 while ( @ipaths && --$count) {
130 my $dir = shift @ipaths || next;
132 if ( ref $dir eq 'CODE' ) {
133 eval { $dpaths = &$dir( $c ) };
135 $c->log->error( "Static::Simple: include_path error: " . $@ );
137 unshift( @ipaths, @$dpaths );
142 if ( -d $dir && -f $dir . '/' . $path ) {
143 $c->_debug_msg( $dir . "/" . $path )
144 if ( $c->config->{static}->{debug} );
145 return $c->_static_file( $dir . '/' . $path );
156 my $path = $c->req->path;
158 # abort if running under mod_perl
159 # note that we do not use the Apache method if the user has defined
160 # custom MIME types or is using include paths, as Apache would not know
164 if ( $c->config->{static}->{use_apache} ) {
165 # check engine version
166 last APACHE_CHECK unless $c->engine =~ /Apache::MP(\d{2})/xms;
169 # skip if we have user-defined MIME types
170 last APACHE_CHECK if keys %{ $c->config->{static}->{mime_types} };
172 # skip if the file is in a user-defined include path
173 last APACHE_CHECK if $c->_static_file
174 ne $c->config->{root} . '/' . $path;
176 # check that Apache will serve the correct file
177 if ( $c->apache->document_root ne $c->config->{root} ) {
178 $c->log->warn( "Static::Simple: Your Apache DocumentRoot"
179 . " must be set to " . $c->config->{root}
180 . " to use the Apache feature. Yours is"
181 . " currently " . $c->apache->document_root
185 $c->_debug_msg( "DECLINED to Apache" )
186 if ( $c->config->{static}->{debug} );
187 $c->_apache_mode( $engine );
193 my $type = $c->_ext_to_type;
195 my $full_path = $c->_static_file;
196 my $stat = stat( $full_path );
198 # the below code all from C::P::Static
199 if ( $c->req->headers->if_modified_since ) {
200 if ( $c->req->headers->if_modified_since == $stat->mtime ) {
201 $c->res->status( 304 ); # Not Modified
202 $c->res->headers->remove_content_headers;
207 my $content = read_file( $full_path );
208 $c->res->headers->content_type( $type );
209 $c->res->headers->content_length( $stat->size );
210 $c->res->headers->last_modified( $stat->mtime );
211 $c->res->output( $content );
215 # looks up the correct MIME type for the current file extension
219 my $path = $c->req->path;
222 if ( $path =~ /.*\.(\S{1,})$/xms ) {
224 my $user_types = $c->config->{static}->{mime_types};
225 if ( $type = $user_types->{$ext}
226 || $c->_mime_types->mimeTypeOf( $ext ) ) {
227 $c->_debug_msg( "as $type" )
228 if ( $c->config->{static}->{debug} );
232 $c->_debug_msg( "as text/plain (unknown extension $ext)" )
233 if ( $c->config->{static}->{debug} );
238 $c->_debug_msg( 'as text/plain (no extension)' )
239 if ( $c->config->{static}->{debug} );
245 my ( $c, $msg ) = @_;
247 if ( !defined $c->_debug_message ) {
248 $c->_debug_message( [] );
252 push @{ $c->_debug_message }, $msg;
255 return $c->_debug_message;
263 Catalyst::Plugin::Static::Simple - Make serving static pages painless.
268 MyApp->setup( qw/Static::Simple/ );
272 The Static::Simple plugin is designed to make serving static content in your
273 application during development quick and easy, without requiring a single
274 line of code from you.
276 It will detect static files used in your application by looking for file
277 extensions in the URI. By default, you can simply load this plugin and it
278 will immediately begin serving your static files with the correct MIME type.
279 The light-weight MIME::Types module is used to map file extensions to
280 IANA-registered MIME types.
282 Note that actions mapped to paths using periods (.) will still operate
285 You may further tweak the operation by adding configuration options, described
288 =head1 ADVANCED CONFIGURATION
290 Configuration is completely optional and is specified within
291 MyApp->config->{static}. If you use any of these options, the module will
292 probably feel less "simple" to you!
296 =item Forcing directories into static mode
298 Define a list of top-level directories beneath your 'root' directory that
299 should always be served in static mode. Regular expressions may be
300 specified using qr//.
302 MyApp->config->{static}->{dirs} = [
307 =item Including additional directories (experimental!)
309 You may specify a list of directories in which to search for your static
310 files. The directories will be searched in order and will return the first
311 file found. Note that your root directory is B<not> automatically added to
312 the search path when you specify an include_path. You should use
313 MyApp->config->{root} to add it.
315 MyApp->config->{static}->{include_path} = [
318 MyApp->config->{root}
321 With the above setting, a request for the file /images/logo.jpg will search
322 for the following files, returning the first one found:
324 /path/to/overlay/images/logo.jpg
325 /dynamic/path/images/logo.jpg
326 /your/app/home/root/images/logo.jpg
328 The include path can contain a subroutine reference to dynamically return a
329 list of available directories. This method will receive the $c object as a
330 parameter and should return a reference to a list of directories. Errors can
331 be reported using die(). This method will be called every time a file is
332 requested that appears to be a static file (i.e. it has an extension).
336 sub incpath_generator {
339 if ( $c->session->{customer_dir} ) {
340 return [ $c->session->{customer_dir} ];
342 die "No customer dir defined.";
346 =item Custom MIME types
348 To override or add to the default MIME types set by the MIME::Types module,
349 you may enter your own extension to MIME type mapping.
351 MyApp->config->{static}->{mime_types} = {
356 =item Apache integration and performance
358 Optionally, when running under mod_perl, Static::Simple can return DECLINED
359 on static files to allow Apache to serve the file. A check is first done to
360 make sure that Apache's DocumentRoot matches your Catalyst root, and that you
361 are not using any custom MIME types or multiple roots. To enable the Apache
362 support, you can set the following option.
364 MyApp->config->{static}->{use_apache} = 1;
366 By default this option is disabled because after several benchmarks it
367 appears that just serving the file from Catalyst is the better option. On a
368 3K file, Catalyst appears to be around 25% faster, and is 42% faster on a 10K
369 file. My benchmarking was done using the following 'siege' command, so other
370 benchmarks would be welcome!
372 siege -u http://server/static/css/10K.css -b -t 1M -c 1
374 For best static performance, you should still serve your static files directly
375 from Apache by defining a Location block similar to the following:
378 SetHandler default-handler
381 =item Bypassing other plugins
383 This plugin checks for a static file in the prepare_action stage. If the
384 request is for a static file, it will bypass all remaining prepare_action
385 steps. This means that by placing Static::Simple before all other plugins,
386 they will not execute when a static file is found. This can be helpful by
387 skipping session cookie checks for example. Or, if you want some plugins
388 to run even on static files, list them before Static::Simple.
390 Currently, work done by plugins in any other prepare method will execute
393 =item Debugging information
395 Enable additional debugging information printed in the Catalyst log. This
396 is automatically enabled when running Catalyst in -Debug mode.
398 MyApp->config->{static}->{debug} = 1;
404 L<Catalyst>, L<Catalyst::Plugin::Static>,
405 L<http://www.iana.org/assignments/media-types/>
409 Andy Grundman, <andy@hybridized.org>
413 The authors of Catalyst::Plugin::Static:
419 For the include_path code from Template Toolkit:
425 This program is free software, you can redistribute it and/or modify it under
426 the same terms as Perl itself.