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91293
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use 5.006; use strict; use warnings; |
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package Plack::Middleware::Precompressed; |
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5
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our $VERSION = '1.104'; |
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BEGIN { require Plack::Middleware; our @ISA = 'Plack::Middleware' } |
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133
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use Plack::Util::Accessor qw( match rules env_keys ); |
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1300
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use Plack::MIME (); |
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2020
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62
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use Plack::Util (); |
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1048
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use Array::RefElem (); |
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1287
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1201
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sub rewrite { |
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0
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my $self = shift; |
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my ( $env ) = @_; |
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my $rules = $self->rules; |
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$rules ? $rules->( defined $env ? $env : () ) : ( $_ .= '.gz' ); |
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} |
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sub call { |
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74345
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my $self = shift; |
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my ( $env ) = @_; |
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my $encoding; |
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my $path = $env->{'PATH_INFO'}; |
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100
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my $have_match = $self->match ? $path =~ $self->match : 1; |
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# the `deflate` encoding is unreliably messy so we won't support it |
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# c.f. http://zoompf.com/2012/02/lose-the-wait-http-compression |
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if ( $have_match ) { |
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( $encoding ) = |
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grep { $_ eq 'gzip' or $_ eq 'x-gzip' } |
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map { s!\s+!!g; split /,/, lc } |
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grep { defined } |
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$env->{'HTTP_ACCEPT_ENCODING'}; |
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} |
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14
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my $res = do { |
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100
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my $keys = $self->env_keys || []; |
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100
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103
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local @$env{ 'PATH_INFO', @$keys } = ( $path, @$env{ @$keys } ) if $encoding; |
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100
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if ( $encoding ) { |
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8
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my %pass_env; |
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Array::RefElem::hv_store %pass_env, $_, $env->{ $_ } for @$keys; |
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$self->rewrite( \%pass_env ) for $env->{'PATH_INFO'}; |
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} |
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100
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delete local $env->{'HTTP_ACCEPT_ENCODING'} if $encoding; |
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$self->app->( $env ); |
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}; |
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100
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155
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return $res unless $have_match; |
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53
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10
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my $is_fail; |
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my $final_res = Plack::Util::response_cb( $res, sub { |
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10
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10
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127
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my $res = shift; |
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10
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$is_fail = $res->[0] != 200; |
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100
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return if $is_fail; |
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6
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7
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push @{ $res->[1] }, 'Vary', 'Accept-Encoding'; |
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19
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59
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6
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100
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13
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if ( $encoding ) { |
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5
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20
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my $mime = Plack::MIME->mime_type( $path ); |
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5
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100
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Plack::Util::header_set( $res->[1], 'Content-Type', $mime ) if $mime; |
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push @{ $res->[1] }, 'Content-Encoding', $encoding; |
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22
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63
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} |
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return; |
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55
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} ); |
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67
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10
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100
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157
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return $is_fail ? $self->app->( $env ) : $final_res; |
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} |
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70
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1; |
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72
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__END__ |