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use strict; |
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use warnings; |
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package POE::Filter::Postfix; |
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our $VERSION = '0.003'; |
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7
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8
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# ABSTRACT: Postfix (MTA) text attribute communication |
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use base qw(POE::Filter); |
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1074
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10
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11
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sub _abstract { |
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3
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3
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my $name = shift; |
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3
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0
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eval sprintf <<'', ($name) x 2; |
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14
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sub %s { |
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my $class = ref($_[0]) || $_[0]; |
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require Carp; |
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Carp::croak("$class must override %s()"); |
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} |
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20
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} |
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BEGIN { |
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_abstract($_) for qw( |
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attribute_separator |
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attribute_terminator |
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request_terminator |
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) |
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} |
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sub new { |
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3
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1
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my $class = shift; |
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3
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16
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bless { |
34
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@_, |
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buffer => '', |
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} => $class; |
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} |
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39
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40
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sub clone { |
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0
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0
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1
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my $self = shift; |
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0
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0
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$self->new(%$self); |
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} |
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45
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46
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sub get_one_start { |
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3
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3
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1
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27
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my ($self, $buf) = @_; |
48
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3
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36
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$self->{buffer} .= $_ for @$buf; |
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} |
50
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51
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52
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sub get_one { |
53
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6
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6
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1
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48
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my ($self) = @_; |
54
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6
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9
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my %attr; |
55
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6
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14
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my $buf = $self->{buffer}; |
56
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6
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24
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my ($a_s, $a_t, $r_t) = ( |
57
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$self->attribute_separator, |
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$self->attribute_terminator, |
59
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$self->request_terminator, |
60
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); |
61
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6
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118
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while ($buf =~ s/^([^$r_t]+?)\Q$a_s\E//) { |
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12
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74
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my $key = $self->decode_key("$1"); |
63
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12
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50
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129
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$buf =~ s/^([^$r_t]*)?\Q$a_t\E// or return []; |
64
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12
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51
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$attr{$key} = $self->decode_value("$1"); |
65
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} |
66
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6
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100
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613
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return [] unless $buf =~ s/^\Q$r_t\E//; |
67
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3
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8
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$self->{buffer} = $buf; |
68
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3
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14
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return [ \%attr ]; |
69
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} |
70
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71
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72
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sub get_pending { |
73
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0
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0
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1
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0
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my ($self) = @_; |
74
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0
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0
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0
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return [ $self->{buffer} ] if length $self->{buffer}; |
75
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0
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0
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return undef; |
76
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} |
77
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78
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79
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8
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8
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1
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20
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sub decode_key { $_[1] } |
80
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8
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8
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1
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62
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sub decode_value { $_[1] } |
81
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82
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83
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sub put { |
84
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3
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3
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1
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42
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my ($self, $chunks) = @_; |
85
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86
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3
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6
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return [ map { $self->_encode($_) } @$chunks ]; |
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3
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17
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87
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} |
88
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89
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sub _encode { |
90
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3
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3
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5
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my ($self, $attr) = @_; |
91
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12
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39
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return join $self->attribute_terminator, |
92
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(map { |
93
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3
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12
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join $self->attribute_separator, |
94
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$self->encode_key($_), |
95
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$self->encode_value($attr->{$_}) |
96
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} keys %$attr), |
97
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$self->request_terminator; |
98
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} |
99
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100
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101
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8
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8
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1
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28
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sub encode_key { $_[1] } |
102
|
8
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8
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1
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33
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sub encode_value { $_[1] } |
103
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104
|
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105
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1; |
106
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107
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108
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__END__ |