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13495
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use 5.006; |
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use strict; |
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18
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3
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use warnings; |
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4
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46
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4
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5
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package Plack::App::Hostname; |
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$Plack::App::Hostname::VERSION = '1.001'; |
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# ABSTRACT: Run multiple apps dispatched by the request Host header |
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9
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1
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1
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415
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use parent 'Plack::Component'; |
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251
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1
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4
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10
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1
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1
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10942
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use Plack::Util::Accessor qw( custom_matcher missing_header_app default_app ); |
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273
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1
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5
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11
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12
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sub map_hosts_to { |
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5
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5
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1
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1244
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my $self = shift; |
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5
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5
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my $app = shift; |
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5
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10
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@{ $self->{'_app_for_host'} }{ map { lc } @_ } = ( $app ) x @_; |
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5
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41
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10
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14
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16
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5
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11
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$self->{'_num_wildcards'} += grep { /\A\*\*\./ } @_; |
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14
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17
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5
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return $self; |
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} |
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20
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sub unmap_host { |
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2
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2
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1
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768
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my $self = shift; |
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2
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4
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delete @{ $self->{'_app_for_host'} }{ map { lc } @_ }; |
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2
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9
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4
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7
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23
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2
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2
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$self->{'_num_wildcards'} -= grep { /\A\*\*\./ } @_; |
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4
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8
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24
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2
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4
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return $self; |
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} |
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27
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sub unmap_app { |
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1
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1
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1
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341
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my $self = shift; |
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1
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50
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5
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my $map = $self->{'_app_for_host'} ||= {}; |
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1
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6
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while ( my ( $host, $host_app ) = each %$map ) { |
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6
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50
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7
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next if not grep { $host_app == $_ } @_; |
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6
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10
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32
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6
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6
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delete $map->{ $host }; |
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6
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50
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18
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--$self->{'_num_wildcards'} if $host =~ /\A\*\*\./; |
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} |
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1
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2
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return $self; |
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} |
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38
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sub matching { |
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20
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20
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1
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16
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my $self = shift; |
40
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20
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25
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my $host = lc $_[0]; |
41
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42
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20
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26
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my $map = $self->{'_app_for_host'}; |
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44
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20
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66
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93
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return $_ for $map->{ $host } || (); |
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46
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10
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100
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20
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if ( $self->{'_num_wildcards'} ) { |
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3
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10
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my @part = split /\./, $host, 16; |
48
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3
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4
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for my $pattern ( map { shift @part; join '.', '**', @part } 1 .. $#part ) { |
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6
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7
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14
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49
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4
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66
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17
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return $_ for $map->{ $pattern } || (); |
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} |
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} |
52
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53
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8
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50
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19
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return undef unless my $cb = $self->custom_matcher; |
54
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55
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0
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0
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return scalar $cb->() for $host; |
56
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} |
57
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58
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our $sadtrombone = [ |
59
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400, |
60
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[qw( Content-Type text/html )], |
61
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['Bad RequestBad RequestUnknown host or domain'], |
62
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]; |
63
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64
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sub call { |
65
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23
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23
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1
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31271
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my $self = shift; |
66
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23
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24
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my ( $env ) = @_; |
67
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68
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23
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26
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my $host = $env->{'HTTP_HOST'}; |
69
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70
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23
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100
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100
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114
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my $app = defined $host |
71
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? ( $host =~ s/:$env->{'SERVER_PORT'}\z//, $self->matching( $host ) || $self->default_app ) |
72
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: $self->missing_header_app; |
73
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74
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23
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100
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66
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170
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return 'CODE' eq ref $app ? &$app : $app || $sadtrombone; |
75
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} |
76
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77
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1; |