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package OpenID::Login::Extension; |
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{ |
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$OpenID::Login::Extension::VERSION = '0.1.2'; |
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} |
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# ABSTRACT: Storage and methods for OpenId extensions, both requesting information and receiving data. |
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use Moose 0.51; |
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has ns => ( |
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is => 'rw', |
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isa => 'Str', |
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required => 1, |
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); |
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has uri => ( |
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is => 'rw', |
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isa => 'Str', |
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required => 1, |
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); |
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has attributes => ( |
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is => 'rw', |
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isa => 'HashRef', |
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required => 1, |
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trigger => \&_flatten_attributes, |
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); |
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around BUILDARGS => sub { |
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my $orig = shift; |
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my $class = shift; |
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my $args; |
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if ( @_ == 1 && ref $_[0] eq 'HASH' ) { |
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$args = $_[0]; |
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} else { |
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$args = {@_}; |
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} |
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if ( $args->{cgi} or $args->{cgi_params} ) { |
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my $new_args; |
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if ( $args->{uri} ) { |
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$new_args = _extract_attributes_by_uri($args); |
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} elsif ( $args->{ns} ) { |
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$new_args = _extract_attributes_by_ns($args); |
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} else { |
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die 'Unable to determine extension details'; |
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} |
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return $class->$orig($new_args); |
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} else { |
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return $class->$orig(@_); |
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} |
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}; |
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sub _extract_attributes_by_uri { |
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my $args = shift; |
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1
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my $cgi = $args->{cgi}; |
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my $cgi_params = $args->{cgi_params}; |
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my $uri = $args->{uri}; |
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1
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my @openid_params = grep {/^openid\./} $cgi ? $cgi->param() : keys %$cgi_params; |
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1
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( my $ns_param ) = grep { ( $cgi ? $cgi->param($_) : $cgi_params->{$_} ) eq $uri } grep {/^openid\.ns\./} @openid_params; |
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66
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1
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if ($ns_param) { |
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1
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5
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$args->{ns} = substr( $ns_param, 10 ); |
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1
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4
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return _extract_attributes_by_ns($args); |
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} |
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71
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0
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0
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return $args; |
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} |
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74
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sub _extract_attributes_by_ns { |
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1
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1
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2
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my $args = shift; |
76
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77
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1
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3
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my $cgi = $args->{cgi}; |
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1
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3
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my $cgi_params = $args->{cgi_params}; |
79
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1
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2
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my $ns = $args->{ns}; |
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81
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1
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0
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4
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$args->{uri} ||= $cgi ? $cgi->param("openid.ns.$ns") : $cgi_params->{"openid.ns.$ns"}; |
82
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83
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1
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4
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my $prefix = "openid.$ns."; |
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1
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1
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my $prefix_len = length($prefix); |
85
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1
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3
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my %attributes; |
86
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1
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50
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4
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if ($cgi) { |
87
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1
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82
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my %signed_params = map { ( "openid.$_" => 1 ) } split /,/, $cgi->param('openid.signed'); |
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14
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53
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88
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1
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100
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8
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%attributes = ( map { substr( $_, $prefix_len ) => scalar $cgi->param($_) } grep { /^\Q$prefix\E/ and $signed_params{$_} } $cgi->param() ); |
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7
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114
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18
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96
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89
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} else { |
90
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0
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0
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my %signed_params = map { ( "openid.$_" => 1 ) } split /,/, $cgi_params->{'openid.signed'}; |
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91
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%attributes = ( map { substr( $_, $prefix_len ) => $cgi_params->{$_} } grep { /^\Q$prefix\E/ and $signed_params{$_} } keys %$cgi_params ); |
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92
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} |
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1
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23
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$args->{attributes} = \%attributes; |
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95
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1
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5
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return $args; |
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} |
97
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98
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99
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sub get_parameter_string { |
100
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6
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6
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1
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9
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my $self = shift; |
101
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6
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224
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my $ns = $self->ns; |
102
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103
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6
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249
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my $params = sprintf 'openid.ns.%s=%s', $ns, $self->uri; |
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105
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6
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227
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my $attributes = $self->attributes; |
106
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6
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21
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$params .= _parameterise_hash( "openid.$ns", $attributes ); |
107
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108
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6
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34
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return $params; |
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} |
110
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111
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sub _parameterise_hash { |
112
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6
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6
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9
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my $prefix = shift; |
113
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6
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8
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my $hash = shift; |
114
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115
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6
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8
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my $params = ''; |
116
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6
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61
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$params .= sprintf '&%s.%s=%s', $prefix, $_, $hash->{$_} foreach ( sort keys %$hash ); |
117
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6
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21
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return $params; |
118
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} |
119
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120
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121
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sub get_parameter { |
122
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3
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3
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1
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11
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my $self = shift; |
123
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3
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4
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my $param = shift; |
124
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125
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3
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50
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114
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die "$param is not an available parameter" unless exists $self->attributes->{$param}; |
126
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3
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113
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return $self->attributes->{$param}; |
127
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} |
128
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129
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130
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sub set_parameter { |
131
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3
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3
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1
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7
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my $self = shift; |
132
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3
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12
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my %params = @_; |
133
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134
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3
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12
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_flatten_hash( \%params ); |
135
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136
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3
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131
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$self->attributes->{$_} = $params{$_} foreach keys %params; |
137
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} |
138
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139
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sub _flatten_attributes { |
140
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3
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3
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5
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my $self = shift; |
141
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3
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4
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my $attributes = shift; |
142
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143
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3
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9
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_flatten_hash($attributes); |
144
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} |
145
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146
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sub _flatten_hash { |
147
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8
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8
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11
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my $hash = shift; |
148
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149
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8
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29
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foreach my $key ( keys %$hash ) { |
150
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18
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23
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my $value = $hash->{$key}; |
151
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18
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100
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166
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if ( ref $value eq 'HASH' ) { |
152
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2
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10
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_flatten_hash($value); |
153
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2
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21
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$hash->{"$key.$_"} = $value->{$_} foreach keys %$value; |
154
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2
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9
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delete $hash->{$key}; |
155
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} |
156
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} |
157
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} |
158
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159
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4
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4
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33189
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no Moose; |
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4
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9
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4
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40
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160
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__PACKAGE__->meta->make_immutable; |
161
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1; |
162
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163
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164
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165
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=pod |
166
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167
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=head1 NAME |
168
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169
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OpenID::Login::Extension - Storage and methods for OpenId extensions, both requesting information and receiving data. |
170
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171
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=head1 VERSION |
172
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173
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version 0.1.2 |
174
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175
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=head1 ATTRIBUTES |
176
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177
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=head2 ns |
178
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179
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The namespace to use for this extension (eg 'ax' is the one usually used in documentation about attribute exchange). |
180
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181
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=head2 uri |
182
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183
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The type URI for the extension (eg attribute exchange has L<http://openid.net/srv/ax/1.0>). |
184
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185
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=head2 attributes |
186
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187
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The attributes for the extension (everything under openid.[ns].*), stored as a hashref. Internally this |
188
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is flattened to a single hashref, but a tree structure can be passed in, and intermediate keys will be |
189
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linked together with '.'. |
190
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191
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=head1 METHODS |
192
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193
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=head2 get_parameter_string |
194
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195
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Collect the internal attributes, and create a single string representing the query of this extension object, |
196
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usable for an OpenID request. |
197
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198
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=head2 get_parameter |
199
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200
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Get a single extension parameter, this is most likely to be used for extensions that are |
201
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the result of a request (rather than when creating a request). |
202
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203
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=head2 set_parameter |
204
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205
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Set an extension parameter (or several parameters). Nested parameters are allowed, i.e. |
206
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207
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C<< $extension->set_parameter(type => {firstname => 'q1', lastname => 'q2'}); >> |
208
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209
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is equivalent to: |
210
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211
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C<< $extension->set_parameter('type.firstname' => 'q1', 'type.lastname' => 'q2'); >> |
212
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213
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and neither approach will clear any other C<type.*> values that may already be set. |
214
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215
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=head1 AUTHOR |
216
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217
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Holger Eiboeck <realholgi@cpan.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2013 by Holger Eiboeck. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |
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__END__ |
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