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package Rest;
use Common;
use LWP;
use LWP::UserAgent;
use URI::Escape;
use WWW::Shorten;
use XML::Simple;
sub new
{
my ($class, $self) = @_;
my $self ||= {};
bless $self, $class;
}
sub browser
{
my ($self) = @_;
if (! exists($self->{'browser'}) )
{
$self->{'browser'} = new LWP::UserAgent;
$self->{'browser'}->agent("Mozilla/5.0 (compatible)");
}
return $self->{'browser'};
}
sub rest_post_raw
{
my ($self, $uri, $data) = @_;
my $qs = $self->qs_encode($data);
my $r = HTTP::Request->new(POST => $uri);
$r->content_type('application/x-www-form-urlencoded');
$r->content($qs);
my $re = $self->browser->request($r);
my $content = $re->content();
return $content;
}
sub rest_post
{
my ($self, $uri, $data) = @_;
my $qs = $self->qs_encode($data);
return undef unless $qs && $self->do_auth;
my $r = HTTP::Request->new(POST => $uri);
if ($self->do_auth)
{ $r->authorization_basic($self->auth); }
$r->content_type('application/x-www-form-urlencoded');
$r->content($qs);
my $re = $self->browser->request($r);
my $xml = $re->content();
my $ref = XMLin($xml);
return $ref;
}
sub proxy_uri
{
my ($self, $uri) = @_;
my $random_proxy = $self->proxy_random;
my $proxy_uri = "http://" . $random_proxy . "/browse.php?u=" . uri_escape($uri);
return $proxy_uri;
}
sub proxy_load
{
my ($self) = @_;
my $proxies = $self->read_data("../tmp/proxies.txt");
my @lines = split "\n", $proxies;
my $real = [];
map { push @$real, $_ if $_ } @lines;
return $real;
}
sub rest_get_proxy
{
my ($self, $uri, $data) = @_;
my $proxy_uri = $self->proxy_uri($uri);
return $self->rest_get_raw($proxy_uri, $data, \&_rest_get_raw_callback);
}
sub rest_get_raw
{
my ($self, $uri, $data) = @_;
return $self->rest_get($uri, $data, \&_rest_get_raw_callback);
}
sub rest_get_xml
{
my ($self, $uri, $data) = @_;
return $self->rest_get($uri, $data, \&_rest_get_xml_callback);
}
sub _rest_get_raw_callback
{
my ($self, $data) = @_;
return $data;
}
sub _rest_get_xml_callback
{
my ($self, $data) = @_;
return XMLin($data);
}
sub rest_get
{
my ($self, $uri, $data, $callback) = @_;
$callback ||= \&_rest_get_xml_callback;
my $qs = $self->qs_encode($data);
if ($qs)
{ $uri = $uri . "?" . $qs; }
my $r = HTTP::Request->new(GET => $uri);
if ($self->do_auth)
{ $r->authorization_basic($self->auth); }
print "getting $uri\n";
my $re = $self->browser->request($r);
my $data = $re->content();
my $ref = $self->$callback($data);
return $ref;
}
sub qs_encode
{
my ($self, $data) = @_;
my $qs = [];
foreach my $key (keys %$data)
{
my $val = uri_escape($data->{$key});
next unless $val;
push @$qs, "$key=$val";
}
return undef unless scalar(@$qs);
my $encoded = join "&", @$qs;
return $encoded;
}
sub auth
{
my ($self, $user, $pass) = @_;
if ($user && $pass)
{
$self->{'user'} = $user;
$self->{'pass'} = $pass;
}
else
{
$user = $self->{'user'};
$pass = $self->{'pass'};
}
return ($user, $pass);
}
sub do_auth
{
my ($self) = @_;
if ($self->{'user'} && $self->{'pass'})
{ return 1; }
return undef;
}
sub user
{
my ($self) = @_;
if ($self->do_auth)
{ return $self->{'user'}; }
return undef;
}
sub read_xml
{
my ($self, $file) = @_;
my $data = $self->read_data($file);
return XMLin($data);
}
sub write_xml
{
my ($self, $file, $data) = @_;
my $xml = XMLout($data);
$self->write_data($file, $xml);
}
sub read_data
{
my ($self, $file) = @_;
return undef unless -e $file;
open IN, $file or die $!;
my @lines = <IN>;
close IN;
my $out = join "", @lines;
print "Read " . length($out) . " bytes\n";
return $out;
}
sub write_data
{
my ($self, $file, $data) = @_;
open OUT, ">$file" or die $!;
print OUT $data;
close OUT;
print "Wrote " . length($data) . " bytes\n";
}
1;
|
