1Plack::Middleware::StatUisce(r3)Contributed Perl DocumenPtlaatciko:n:Middleware::Static(3)
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6 Plack::Middleware::Static - serve static files with Plack
7
9 use Plack::Builder;
10 builder {
12 enable "Plack::Middleware::Static",
13 path => qr{^/(images|js|css)/}, root => './htdocs/';
14 $app;
15 };
16
18 This middleware allows your Plack-based application to serve static
19 files.
20 Note that if you are building an app using Plack::App::URLMap, you
22 should consider using Plack::App::File to serve static files instead.
23 This makes the overall routing of your application simpler to
24 understand.
25 With this middleware, if a static file exists for the requested path,
27 it will be served. If it does not exist, by default this middleware
28 returns a 404, but you can set the "pass_through" option to change this
29 behavior.
30 If the requested document is not within the "root" or the file is there
32 but not readable, this middleware will return a 403 Forbidden response.
33 The content type returned will be determined from the file extension by
35 using Plack::MIME or using "content_type".
36
38 path, root
39 enable "Plack::Middleware::Static",
40 path => qr{^/static/}, root => 'htdocs/';
41 The "path" option specifies the URL pattern (regular expression) or
43 a callback to match against requests. If the <path> option matches,
44 the middleware looks in "root" to find the static files to serve.
45 The default value of "root" is the current directory.
46 This example configuration serves "/static/foo.jpg" from
48 "htdocs/static/foo.jpg". Note that the matched portion of the path,
49 "/static/", still appears in the locally mapped path under "root".
50 If you don't want this to happen, you can use a callback to munge
51 the path as you match it:
52 enable "Plack::Middleware::Static",
54 path => sub { s!^/static/!! }, root => 'static-files/';
55 The callback should operate on $_ and return a true or false value.
57 Any changes it makes to $_ are used when looking for the static
58 file in the "root".
59 The configuration above serves "/static/foo.png" from
61 "static-files/foo.png", not "static-files/static/foo.png". The
62 callback specified in the "path" option matches against $_ munges
63 this value using "s///". The substitution operator returns the
64 number of matches it made, so it will return true when the path
65 matches "^/static".
66 For more complex static handling in the "path" callback, in
68 addition to $_ being set the callback receives two arguments,
69 "PATH_INFO" (same as $_) and $env.
70 If you want to map multiple static directories from different
72 roots, simply add this middleware multiple times with different
73 configuration options.
74 pass_through
76 When this option is set to a true value, then this middleware will
77 never return a 404 if it cannot find a matching file. Instead, it
78 will simply pass the request on to the application it is wrapping.
79 content_type
81 The "content_type" option can be used to provide access to a
82 different MIME database than Plack::MIME. Plack::MIME works fast
83 and good for a list of well known file endings, but if you need a
84 more accurate content based checking you can use modules like
85 File::MimeInfo or File::MMagic for example. The callback should
86 work on $_[0] which is the filename of the file.
87
89 Tokuhiro Matsuno, Tatsuhiko Miyagawa
90
92 Plack::Middleware Plack::Builder
93perl v5.30.0 2019-07-26 Plack::Middleware::Static(3)