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package WWW::Lengthen; |
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30345
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use strict; |
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use warnings; |
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use LWP::UserAgent; |
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our $VERSION = '0.09'; |
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our %KnownServices = ( |
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'0rz' => qr{^https?://0rz\.tw/.+}, |
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Metamark => qr{^https?://xrl\.us/.+}, |
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SnipURL => qr{^https?://snipurl\.com/.+}, |
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TinyURL => qr{^https?://tinyurl\.com/.+}, |
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snurl => qr{^https?://snurl\.com/.+}, |
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bitly => qr{^https?://bit\.ly/.+}, |
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htly => qr{^https?://ht\.ly/.+}, |
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isgd => qr{^https?://is\.gd/.+}, |
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owly => qr{^https?://ow\.ly/.+}, |
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urlchen => qr{^https?://urlchen\.de/.+}, |
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google => qr{^https?://goo\.gl/.+}, |
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); |
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# Can't test, but widely used |
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our %PartOfOtherServices = ( |
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twitterco => qr{^https?://t\.co/.+}, |
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hatena => qr{^https?://htn\.to/.+}, |
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jmp => qr{^https?://j\.mp/.+}, |
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tumblr => qr{^https?://tmblr\.co/.+}, |
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facebook => qr{^https?://fb\.me/.+}, |
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); |
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our %ExtraServices = ( |
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Shorl => [ qr{^https?://shorl\.com/.+}, 'Shorl' ], |
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); |
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# not only dead but also failed anyhow when I tested |
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our %UnsupportedOrDeadServices = ( |
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icanhaz => qr{^https?://icanhaz\.com/.+}, |
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urlTea => qr{^https?://urltea\.com/.+}, |
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BabyURL => qr{^https?://babyurl\.com/.+}, |
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Linkz => qr{^https?://lin\.kz/?\?.+}, |
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TinyClick => qr{^https?://tinyclick\.com/?\?.+}, |
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V3 => qr{^https?://\w+\.v3\.net/}, |
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ShortenURL => qr{^https?://www\.shortenurl\.com/.+}, |
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URLjr => qr{^https?://urljr\.com/.+}, |
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qURL => qr{^https?://qurl\.net/.+}, |
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SmLnk => qr{^https?://smlnk\.com/.+}, |
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ShortLink => qr{^https?://shortlink\.us/.+}, |
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EkDk => qr{^https?://add\.redir\.ek\.dk/.+}, |
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MakeAShorterLink => qr{^https?://tinyurl\.com/.+}, |
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LinkToolbot => qr{^https?://link\.toolbot\.com/.+}, |
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haojp => qr{^https?://hao\.jp/.+}, |
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Smallr => qr{^https?://smallr\.com/.+}, |
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unu => qr{^https?://u\.nu/.+}, |
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Tinylink => [ qr{^https?://tinylink\.com/.+}, 'Tinylink' ], |
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durlme => qr{^https?://durl\.me/.+}, |
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NotLong => qr{^https?://[\w\-]+\.notlong\.com/?$}, |
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shadyurl => qr{^https?://5z8\.info/.+}, |
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miudin => qr{^https?://miud\.in/.+}, |
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OneShortLink => [ qr{^https?://1sl\.net/.+}, 'OneShortLink' ], |
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); |
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sub new { |
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my $class = shift; |
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my %services; |
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if ( @_ ) { |
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foreach my $name ( @_ ) { |
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$services{$name} = $PartOfOtherServices{$name} |
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|| $KnownServices{$name}; |
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} |
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} |
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else { |
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%services = (%KnownServices, %PartOfOtherServices); |
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} |
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my $ua = LWP::UserAgent->new( |
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env_proxy => 1, |
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timeout => 30, |
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agent => "$class/$VERSION", |
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requests_redirectable => [], |
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); |
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bless { ua => $ua, services => \%services }, $class; |
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} |
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sub ua { shift->{ua} } |
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sub try { |
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my ($self, $url) = @_; |
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my $new_url; |
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my %seen; |
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my $max_try = 5; |
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while ($max_try--) { |
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$new_url = $self->_try($url); |
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return $new_url if $new_url eq $url or $seen{$new_url}++; |
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$url = $new_url; |
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} |
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return $url; |
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} |
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sub _try { |
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my ($self, $url) = @_; |
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foreach my $name ( keys %{ $self->{services} } ) { |
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my $service = $self->{services}->{$name}; |
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next unless $service; |
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if ( ref $service eq 'Regexp' ) { |
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next unless $url =~ /$service/; |
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my $res = $self->ua->get($url); |
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next unless $res->is_redirect; |
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my $location = $res->header('Location'); |
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return $location if defined $location; |
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} |
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elsif ( ref $service eq 'ARRAY' ) { |
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my ($regex, $package) = @{ $service }; |
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next unless $url =~ /$regex/; |
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$package = 'WWW::Shorten::'.$package |
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unless $package =~ /^WWW::Shorten::/; |
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eval "require $package"; |
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unless ($@) { |
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my $longer_url = eval "$package\::makealongerlink('$url')"; |
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return $longer_url if defined $longer_url; |
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} |
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} |
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} |
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return $url; |
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} |
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sub add { |
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my ($self, %hash) = @_; |
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%{ $self->{services} } = ( %{ $self->{services} }, %hash ); |
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} |
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1; |
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__END__ |