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package Squid::Guard::Request; |
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use 5.008; |
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use strict; |
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use warnings; |
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use Carp; |
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our @ISA = qw(); |
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our $VERSION = '0.15'; |
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=head1 NAME |
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Squid::Guard::Request - A request to Squid::Guard |
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=head1 SYNOPSYS |
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use Squid::Guard::Request; |
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my $req = Squid::Guard->new($str); |
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=head1 DESCRIPTION |
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Initializes a new Request object based on the string coming |
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from Squid to the redirector. |
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=head2 Squid::Guard::Request->new( $str ) |
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API call to create a new object. The $str parameter should be in the format used by Squid to pass a request to the redirection program: C. |
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=cut |
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# TODO: maybe resolve protocols via getservent()? |
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my %defaultports = ( |
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'http' => 80, |
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'https' => 443, |
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'http-mgmt' => 280, |
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'gss-http' => 488, |
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'multiling-http' => 777, |
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'ftp' => 21, |
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'gopher' => 70, |
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'wais' => 210, |
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'filemaker' => 591, |
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); |
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my %defaultschemes = reverse %defaultports; |
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sub new { |
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my $class = shift; |
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my $str = shift; |
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my $self = {}; |
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$self->{str} = $str; |
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$self->{verbose} = 0; |
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$self->{debug} = 0; |
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$self->{debug} = 0; |
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{ |
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no strict qw(vars refs); |
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local ($url, $foo, $ident, $method, $_kvpairs, $addr, $fqdn, $_scheme, $authority, $path, $query, $fragment, $host, $_port); |
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($url, $foo, $ident, $method, $_kvpairs) = split(/\s+/, $str, 5); |
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$ident =~ s/\%([A-Fa-f0-9]{2})/pack('C', hex($1))/eg; |
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($addr, $fqdn) = split(/\//, $foo); |
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foreach ( qw( ident _kvpairs fqdn ) ) { |
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${$_} = undef if ${$_} eq '-'; |
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} |
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# ($_scheme, $authority, $path, $query, $fragment) = $url =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; # taken from URI man page |
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($_scheme, $authority, $path, $query, $fragment) = $url =~ m|(?:([^:/?#]+)://)?([^/?#]*)([^?#]*)(?:\?([^#]*))?(?:#(.*))?|; # Slightly modified for our usage: authority is needed, // isn't |
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($host, $_port) = split( /:/, $authority ); |
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foreach ( qw( url ident method _kvpairs addr fqdn _scheme authority path query fragment host _port ) ) { |
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$self->{$_} = ${$_}; |
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} |
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} |
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bless($self, $class); |
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return $self; |
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} |
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89
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=head2 $req->url() |
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91
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Get request url |
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=cut |
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=head2 $req->addr() |
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98
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Get request address |
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100
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=cut |
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102
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103
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=head2 $req->fqdn() |
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105
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Get request fqdn |
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=cut |
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109
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110
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=head2 $req->ident() |
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112
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Get request ident |
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114
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=cut |
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116
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117
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=head2 $req->method() |
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119
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Get request method |
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121
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=cut |
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123
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124
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=head2 $req->kvpairs() |
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126
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When called without arguments, returns a hash consisting of the extra key/value pairs found in the request. If an argument is supplied, it is taken as a key and the corresponding value (or undef) is returned. You can access the string of key/value pairs exactly as passed in the request by using _kvpairs instead |
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128
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=cut |
129
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130
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131
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=head2 $req->_scheme() $req->scheme() $req->authority() $req->host() $req->_port() $req->port() $req->path() $req->query() $req->path_query() $req->authority_path_query() $req->fragment() |
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133
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Get url components. These methods are inspired form the URI module. |
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135
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If a port is not specified explicitly in the request, then $req->port returns the scheme's default port. |
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If you don't want the default port substituted, then you can use the $uri->_port method instead. (behaviour consistent with URI module) |
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Similarly, $req->_scheme reports the scheme explicitly specified in the requested url, or undef if not present (this is cthe case of CONNECT requests). |
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When $req->_scheme is undef and $uri->_port is defined, $req->scheme is set to the port's default scheme. |
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140
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=cut |
141
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142
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143
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sub AUTOLOAD { |
144
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16
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16
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1010
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my ($self) = @_; # don't use shift, otherwise the call to goto &$AUTOLOAD will suffer :( |
145
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50
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48
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croak "$self not an object" unless ref($self); |
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23
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our $AUTOLOAD; |
147
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1
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6
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no strict 'refs'; |
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2
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1
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1274
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148
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112
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if ($AUTOLOAD =~ /.*::(.*)/) { |
149
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16
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38
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my $element = $1; |
150
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16
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50
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51
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return if $element eq "DESTROY"; |
151
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16
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100
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33
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if( grep { $element eq $_ } qw( url ident method _kvpairs addr fqdn _scheme authority host _port path query fragment ) ) { |
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428
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100
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100
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100
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50
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152
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*$AUTOLOAD = sub { |
153
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73
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1693
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my $self = shift; |
154
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73
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468
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$self->{$element}; |
155
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11
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77
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}; |
156
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} elsif( $element eq 'path_query' ) { |
157
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*$AUTOLOAD = sub { |
158
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6
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13
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my $self = shift; |
159
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100
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100
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21
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( $self->path || '' ) . ( $self->query ? ( "?" . $self->query ) : '' ); |
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1
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10
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}; |
161
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} elsif( $element eq 'authority_path_query' ) { |
162
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*$AUTOLOAD = sub { |
163
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3
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3
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8
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my $self = shift; |
164
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3
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13
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$self->authority . $self->path_query; |
165
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1
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10
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}; |
166
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} elsif( $element eq 'port' ) { |
167
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*$AUTOLOAD = sub { |
168
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4
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4
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11
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my $self = shift; |
169
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4
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100
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33
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12
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if( $self->_port ) { |
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50
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170
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2
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9
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return $self->_port; |
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} elsif( $self->_scheme && defined( $defaultports{$self->_scheme} ) ) { |
172
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2
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102
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return $defaultports{$self->_scheme}; |
173
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} else { |
174
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0
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0
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return undef; |
175
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} |
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1
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33
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}; |
177
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} elsif( $element eq 'scheme' ) { |
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*$AUTOLOAD = sub { |
179
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4
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4
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9
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my $self = shift; |
180
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4
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100
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33
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17
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if( $self->_scheme ) { |
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50
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181
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3
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9
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return $self->_scheme; |
182
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} elsif( $self->_port && defined( $defaultschemes{$self->_port} ) ) { |
183
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1
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5
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return $defaultschemes{$self->_port}; |
184
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} else { |
185
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0
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0
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return undef; |
186
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} |
187
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} |
188
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1
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9
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} elsif( $element eq 'kvpairs' ) { |
189
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*$AUTOLOAD = sub { |
190
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3
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3
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7
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my $self = shift; |
191
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3
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100
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18
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return undef unless $self->{'_kvpairs'}; |
192
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2
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100
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13
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$self->{_kvh} ||= { map { split(/=/, $_) } split(/\s+/, $self->{'_kvpairs'}) }; |
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2
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11
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193
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194
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2
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50
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16
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@_ ? $self->{_kvh}->{$_[0]} : %{$self->{_kvh}}; |
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0
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0
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195
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1
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11
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}; |
196
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} else { |
197
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0
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0
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croak "invalid method $element"; |
198
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} |
199
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68
|
goto &$AUTOLOAD; |
200
|
|
|
|
|
|
|
} |
201
|
|
|
|
|
|
|
} |
202
|
|
|
|
|
|
|
|
203
|
|
|
|
|
|
|
|
204
|
|
|
|
|
|
|
1; |