line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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package NOLookup::DAS::DASLookup; |
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641
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use strict; |
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25
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use warnings; |
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5
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1
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1
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use IO::Socket::INET6; |
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21214
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1
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1
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1
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891
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use Encode; |
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12698
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1
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86
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1
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1
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8
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use vars qw(@ISA @EXPORT_OK); |
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1
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103
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@ISA = qw( Exporter ); |
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@EXPORT_OK = qw / $DAS_LOOKUP_ERR_NO_CONN |
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$DAS_LOOKUP_ERR_QUOTA_EXCEEDED |
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$DAS_LOOKUP_ERR_NO_ACCESS |
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$DAS_LOOKUP_ERR_REFERRAL_DENIED |
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$DAS_LOOKUP_ERR_OTHER |
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/; |
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# Error codes returned fom the DASLookup module |
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# Ref. the Norid API definition at |
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# https://www.norid.no/en/registrar/system/dokumentasjon/whoisdas-grensesnitt/ |
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# Connection problems |
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our $DAS_LOOKUP_ERR_NO_CONN = 100; |
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26
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# Controlled refuses |
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our $DAS_LOOKUP_ERR_QUOTA_EXCEEDED = 101; |
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our $DAS_LOOKUP_ERR_NO_ACCESS = 102; |
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our $DAS_LOOKUP_ERR_REFERRAL_DENIED = 103; |
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# DB and other problems, all the 'ERROR - xxxx' |
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# See raw_text for details on the problem. |
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our $DAS_LOOKUP_ERR_OTHER = 104; |
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1
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1
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519
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use Data::Dumper; |
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1
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5076
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1
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72
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36
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$Data::Dumper::Indent=1; |
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38
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1
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1
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9
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use vars qw/$AUTOLOAD/; |
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1
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2
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1
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487
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39
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40
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sub AUTOLOAD { |
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26
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26
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2655
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my $self=shift; |
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26
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186
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$AUTOLOAD =~ s/.*:://; |
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44
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26
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50
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70
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if (@_) { |
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# set operation |
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0
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0
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return $self->{$AUTOLOAD} = shift; |
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} else { |
48
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# get operation |
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26
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264
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return $self->{$AUTOLOAD}; |
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} |
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} |
52
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53
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sub new { |
54
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4
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4
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1
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514
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my ($proto, $query, $das_server, $das_port, $client_ip)=@_; |
55
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4
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33
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28
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my $class=ref $proto||$proto; |
56
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4
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9
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my $self=bless {},$class; |
57
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58
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# $query is required for something to happen |
59
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4
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50
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12
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return $self unless $query; |
60
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61
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# defaults |
62
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4
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50
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11
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$das_server = 'finger.norid.no' unless ($das_server); |
63
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4
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50
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10
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$das_port = 79 unless ($das_port); |
64
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65
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4
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15
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return $self->lookup($query, $das_server, $das_port, $client_ip); |
66
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} |
67
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68
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sub lookup { |
69
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4
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4
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1
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24
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my ($self, $query, $das_server, $das_port, $client_ip) = @_; |
70
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71
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4
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22
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my ($line, $text); |
72
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73
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4
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38
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my $sock = IO::Socket::INET6->new ( |
74
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PeerAddr => $das_server, |
75
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PeerPort => $das_port, |
76
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Proto => 'tcp', |
77
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Timeout => 10, |
78
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); |
79
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80
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4
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50
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441940
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unless($sock) { |
81
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0
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0
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$self->{errno} = $DAS_LOOKUP_ERR_NO_CONN; |
82
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#print STDERR "SOCK ERR: $!\n"; |
83
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0
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0
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return $self; |
84
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} |
85
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86
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4
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72
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$query = Encode::encode('UTF-8', $query); |
87
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88
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# Always code query as utf-8 |
89
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4
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50
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446
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if ($client_ip) { |
90
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# Use the special -V option to identify the client IP |
91
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# for proper rate limiting purposes. |
92
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# Note that the ip address must be registered by Norid |
93
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# to work properly, if not, a referral error is returned. |
94
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0
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0
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print $sock "-V v0,$client_ip -c utf-8 $query\n"; |
95
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} else { |
96
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4
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439
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print $sock "-c utf-8 $query\n"; |
97
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} |
98
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99
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# Read all answer lines into one long LF separated $text |
100
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4
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165033
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while ($line = <$sock>) { |
101
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4
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251
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$text .= $line; |
102
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} |
103
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4
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294
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close $sock; |
104
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4
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21
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chomp $text; |
105
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106
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4
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81
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$text = Encode::decode('UTF-8', $text); |
107
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108
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# Parse DAS response and map values into object methods. |
109
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4
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419
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$self->{raw_text} = $text; |
110
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111
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# Detect any of the error situations |
112
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4
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50
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90
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if ($text =~ m/Quota exceeded/) { |
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50
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50
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100
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50
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100
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100
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50
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113
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0
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0
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$self->{errno} = $DAS_LOOKUP_ERR_QUOTA_EXCEEDED; |
114
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115
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} elsif ($text =~ m/Access denied/) { |
116
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0
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0
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$self->{errno} = $DAS_LOOKUP_ERR_NO_ACCESS; |
117
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118
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} elsif ($text =~ m/Referral denied/) { |
119
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0
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0
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$self->{errno} = $DAS_LOOKUP_ERR_REFERRAL_DENIED; |
120
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121
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} elsif ($text =~ m/ERROR - /) { |
122
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1
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9
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$self->{errno} = $DAS_LOOKUP_ERR_OTHER; |
123
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124
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} elsif ($text =~ m/ is available /) { |
125
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0
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0
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$self->{available} = 1; |
126
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127
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} elsif ($text =~ m/ is delegated /) { |
128
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1
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5
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$self->{delegated} = 1; |
129
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130
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} elsif ($text =~ m/This domain can currently not be registered/) { |
131
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1
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4
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$self->{prohibited} = 1; |
132
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133
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} elsif ($text =~ m/Domain is not valid /) { |
134
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1
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4
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$self->{invalid} = 1; |
135
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} |
136
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137
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#print STDERR "\n\n====\nDAS self after $query: ", Dumper $self; |
138
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4
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110
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return $self; |
139
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} |
140
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141
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=pod |
142
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143
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=encoding ISO-8859-1 |
144
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145
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=head1 NAME |
146
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147
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NOLookup::DAS::DASLookup - Lookup DAS data from Norid. |
148
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149
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=head1 SYNOPSIS |
150
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151
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my $das = NOLookup::DAS::DASLookup->new('norid.no'); |
152
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153
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One of the below accessor methods will return something: |
154
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155
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$das->errno() Set to an error code if some error has occured. |
156
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$das->available() True if domain is available, thus registration can be attempted. |
157
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$das->delegated() True if domain is delegated, and thus not available. |
158
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$das->prohibited() True if domain is prohibited by policy, and thus not allowed. |
159
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$das->invalid() True if domain or zone is invalid, like a .com domain, |
160
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or if the zone is not administered by Norid, like |
161
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some 'test.mil.no' domain. |
162
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$das->raw_text() Contains the raw DAS response. |
163
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164
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=head1 DESCRIPTION |
165
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166
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This module provides an object oriented API for use with the |
167
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Norid DAS service. It uses the command line based DAS interface |
168
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internally to fetch information from Norid. |
169
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170
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=head2 METHODS |
171
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172
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=over 5 |
173
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174
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=item new |
175
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176
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The constructor. Takes a lookup argument. Returns a new object. |
177
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178
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=item lookup |
179
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180
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Do a DAS lookup in the Norid database and populate the object |
181
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from the result. |
182
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183
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184
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=item AUTOLOAD |
185
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186
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This module uses the autoload mechanism to provide accessors for any |
187
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available data through the get mechanism above. |
188
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189
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=item errno, available, delegated, prohibited, invalid |
190
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191
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See SYNOPSIS. |
192
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193
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=back |
194
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195
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=head1 SEE ALSO |
196
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197
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L<http://www.norid.no/en> |
198
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L<https://www.norid.no/en/registrar/system/tjenester/whois-das-service> |
199
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200
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=head1 AUTHOR |
201
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202
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Trond Haugen, E<lt>(nospam)info(at)norid.noE<gt> |
203
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204
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=head1 COPYRIGHT |
205
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206
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Copyright (c) 2017 Trond Haugen <(nospam)info(at)norid.no>. |
207
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All rights reserved. |
208
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209
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
211
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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214
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=head1 LICENSE |
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This library is free software. You can redistribute it and/or modify |
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it under the same terms as Perl itself. |
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=cut |
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1; |