NAME

Plack::Builder::Conditionals - Plack::Builder extension

SYNOPSIS

use Plack::Builder;
use Plack::Builder::Conditionals;
# exports "match_if, addr, path, method, header, browser, any, all"

builder {
    enable match_if addr(['192.168.0.0/24','127.0.0.1']),
        "Plack::Middleware::ReverseProxy";

    enable match_if all( path(qr!^/private!), addr( '!', [qw!127.0.0.1 ::1!] ) ),
        "Plack::Middleware::Auth::Basic", authenticator => \&authen_cb;

    enable match_if sub { my $env = shift; $env->{HTTP_X_ENABLE_FRAMEWORK} },
        "Plack::Middleware::XFramework", framework => 'Test';

    $app;
};

use Plack::Builder::Conditionals -prefx => 'c';
# exports "c_match_if, c_addr, c_path, c_method, c_header, c_any, c_all"

DESCRIPTION

Plack::Builder::Conditionals is..

FUNCTIONS

match_if

enable match_if addr('127.0.0.1'), "Plack::Middleware::ReverseProxy";
enable match_if sub { $_[0]->{REMOTE_ADDR} eq '127.0.0.1' }, "Plack::Middleware::ReverseProxy";

As like Plack::Builder's enable_if enable middleware if given conditions return true

addr

addr('127.0.0.1');
addr([qw!192.168.0.0/24 127.0.0.1 ::1!]);
addr('!','127.0.0.1');

return true if REMOTE_ADDR is found in the CIDR range. If first argument is '!', return the opposite result. This function supports IPv6 addresses

path

path('/')
path(qr!^/(\w+)/!)
path('!', qr!^/private!)

matching PATH_INFO

method

method('GET')
method(qr/^(get|head)$/i)
method(qw(GET HEAD))
method('!','GET')
method('!', qr/^(post|put)$/i)
method('!', qw(POST PUT))

header

header('User-Agent',qr/iphone/)
header('If-Modified-Since') #exists check
header('!', 'User-Agent',qr/MSIE/)

browser

browser(qr/\bMSIE (7|8)/)
browser('!',qr!^Mozilla/4!);

Shortcut for header('User-Agent')

all

all( method('GET'), path(qr!^/static!) )

return true if all conditions are return true

any

any( path(qr!^/static!), path('/favicon.ico') )

return true if any condition return true

EXPORT

use Plack::Builder::Conditionals -prefx => 'c';
# exports "c_match_if, c_addr, c_path, c_method, c_header, c_any, c_all"

you can add selected prefix to export functions

AUTHOR

Masahiro Nagano <kazeburo {at} gmail.com>

SEE ALSO

Plack::Builder

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.