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=encoding utf8 |
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=head1 NAME |
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WWW::Shorten::SapoPuny - Perl interface to sl.pt |
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=head1 SYNOPSIS |
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use WWW::Shorten::SapoPuny; |
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use WWW::Shorten 'SapoPuny'; |
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$short_url = makeashorterlink($long_url); |
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$long_url = makealongerlink($short_url); |
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=head1 DESCRIPTION |
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A Perl interface to the web site sl.pt. SapoPuny simply maintains |
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a database of long URLs, each of which has a unique identifier. |
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=cut |
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package WWW::Shorten::SapoPuny; |
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$WWW::Shorten::SapoPuny::VERSION = '0.02'; |
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use 5.006; |
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use strict; |
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use warnings; |
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use base qw( WWW::Shorten::generic Exporter ); |
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our @EXPORT = qw( makeashorterlink makealongerlink ); |
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our $_error_message = ''; |
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use Carp; |
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=head1 Functions |
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=head2 makeashorterlink |
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The function C will call the SapoPuny web site passing |
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it your long URL and will return the shorter SapoPuny version. |
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=cut |
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#javascript:void(location.href='http://sl.pt/punify?url='+encodeURIComponent(location.href)) |
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sub makeashorterlink { |
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my $url = shift or croak 'No URL passed to makeashorterlink'; |
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$_error_message = ''; |
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my $ua = __PACKAGE__->ua(); |
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my $tinyurl = 'http://sl.pt/punify?url='; |
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my $resp = $ua->get( $tinyurl . $url ); |
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345374
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return undef unless $resp->is_success; |
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my $content = $resp->content; |
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if ( $content !~ /id="ascii"/ ) { |
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if ( $content =~ /
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$_error_message = 'Error is a html page'; |
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} |
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elsif ( length($content) > 100 ) { |
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$_error_message = substr( $content, 0, 100 ); |
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} |
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else { |
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$_error_message = $content; |
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} |
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return undef; |
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} |
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if ( $resp->content =~ m!(http://[a-z0-9]+\.[a-z0-9]+\.sl\.pt)!x ) { |
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return $1; |
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} |
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return; |
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} |
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=head2 makealongerlink |
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The function C does the reverse. C |
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will accept as an B the full SapoPuny URL. |
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If anything goes wrong, then either function will return C. |
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=cut |
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sub makealongerlink { |
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my $tinyurl_url = shift |
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or croak 'No SapoPuny key / URL passed to makealongerlink'; |
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$_error_message = ''; |
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my $ua = __PACKAGE__->ua(); |
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return undef unless $tinyurl_url =~ m!http://[a-z0-9]+\.[a-z0-9]+\.sl\.pt!; |
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my $resp = $ua->get($tinyurl_url); |
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778368
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unless ( $resp->is_redirect ) { |
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my $content = $resp->content; |
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if ( $content =~ /Error/ ) { |
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if ( $content =~ /
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$_error_message = 'Error is a html page'; |
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} |
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elsif ( length($content) > 100 ) { |
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$_error_message = substr( $content, 0, 100 ); |
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} |
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else { |
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$_error_message = $content; |
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} |
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} |
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else { |
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0
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$_error_message = 'Unknown error'; |
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} |
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111
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0
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return undef; |
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} |
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1
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12
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my $url = $resp->header('Location'); |
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return $url; |
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116
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} |
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118
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1; |
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120
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__END__ |