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# $Id$ |
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package XML::Atom::Client; |
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use strict; |
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use XML::Atom; |
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use base qw( XML::Atom::ErrorHandler ); |
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use LWP::UserAgent; |
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use XML::Atom::Entry; |
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use XML::Atom::Feed; |
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use XML::Atom::Util qw( first textValue ); |
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use Digest::SHA1 qw( sha1 ); |
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use MIME::Base64 qw( encode_base64 ); |
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use DateTime; |
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use constant NS_SOAP => 'http://schemas.xmlsoap.org/soap/envelope/'; |
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sub new { |
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my $class = shift; |
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my $client = bless { }, $class; |
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$client->init(@_) or return $class->error($client->errstr); |
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$client; |
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} |
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sub init { |
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my $client = shift; |
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my %param = @_; |
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$client->{ua} = LWP::UserAgent::AtomClient->new($client); |
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$client->{ua}->agent('XML::Atom/' . XML::Atom->VERSION); |
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$client->{ua}->parse_head(0); |
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$client; |
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} |
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sub username { |
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my $client = shift; |
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$client->{username} = shift if @_; |
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$client->{username}; |
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} |
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sub password { |
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my $client = shift; |
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$client->{password} = shift if @_; |
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$client->{password}; |
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} |
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sub use_soap { |
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my $client = shift; |
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$client->{use_soap} = shift if @_; |
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$client->{use_soap}; |
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} |
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sub auth_digest { |
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my $client = shift; |
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$client->{auth_digest} = shift if @_; |
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$client->{auth_digest}; |
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} |
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sub getEntry { |
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my $client = shift; |
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my($url) = @_; |
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my $req = HTTP::Request->new(GET => $url); |
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my $res = $client->make_request($req); |
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return $client->error("Error on GET $url: " . $res->status_line) |
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unless $res->code == 200; |
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XML::Atom::Entry->new(Stream => \$res->content); |
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} |
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sub createEntry { |
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my $client = shift; |
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my($uri, $entry) = @_; |
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return $client->error("Must pass a PostURI before posting") |
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unless $uri; |
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my $req = HTTP::Request->new(POST => $uri); |
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$req->content_type($entry->content_type); |
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my $xml = $entry->as_xml; |
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_utf8_off($xml); |
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$req->content_length(length $xml); |
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$req->content($xml); |
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my $res = $client->make_request($req); |
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return $client->error("Error on POST $uri: " . $res->status_line) |
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unless $res->code == 201; |
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$res->header('Location') || 1; |
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} |
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sub updateEntry { |
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my $client = shift; |
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my($url, $entry) = @_; |
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my $req = HTTP::Request->new(PUT => $url); |
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$req->content_type($entry->content_type); |
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my $xml = $entry->as_xml; |
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_utf8_off($xml); |
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$req->content_length(length $xml); |
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$req->content($xml); |
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my $res = $client->make_request($req); |
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return $client->error("Error on PUT $url: " . $res->status_line) |
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unless $res->code == 200; |
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1; |
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} |
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sub deleteEntry { |
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my $client = shift; |
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my($url) = @_; |
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my $req = HTTP::Request->new(DELETE => $url); |
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my $res = $client->make_request($req); |
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return $client->error("Error on DELETE $url: " . $res->status_line) |
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unless $res->code == 200; |
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1; |
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} |
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sub getFeed { |
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my $client = shift; |
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my($uri) = @_; |
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return $client->error("Must pass a FeedURI before retrieving feed") |
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unless $uri; |
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my $req = HTTP::Request->new(GET => $uri); |
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my $res = $client->make_request($req); |
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return $client->error("Error on GET $uri: " . $res->status_line) |
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unless $res->code == 200; |
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my $feed = XML::Atom::Feed->new(Stream => \$res->content) |
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or return $client->error(XML::Atom::Feed->errstr); |
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$feed; |
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} |
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sub make_request { |
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my $client = shift; |
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my($req) = @_; |
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$client->munge_request($req); |
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my $res = $client->{ua}->request($req); |
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$client->munge_response($res); |
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$client->{response} = $res; |
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$res; |
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} |
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sub munge_request { |
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my $client = shift; |
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my($req) = @_; |
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$req->header( |
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Accept => 'application/atom+xml, application/x.atom+xml, application/xml, text/xml, */*', |
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); |
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my $nonce = $client->make_nonce; |
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my $nonce_enc = encode_base64($nonce, ''); |
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my $now = DateTime->now->iso8601 . 'Z'; |
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my $digest = encode_base64(sha1($nonce . $now . ($client->password || '')), ''); |
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if ($client->use_soap) { |
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my $xml = $req->content || ''; |
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$xml =~ s!^(<\?xml.*?\?>)!!; |
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my $method = $req->method; |
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$xml = ($1 || '') . <
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150
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xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" |
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xmlns:wsu="http://schemas.xmlsoap.org/ws/2002/07/utility" |
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xmlns:wsse="http://schemas.xmlsoap.org/ws/2002/07/secext"> |
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@{[ $client->username || '' ]} |
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$digest |
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$nonce_enc |
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$now |
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164
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<$method xmlns="http://schemas.xmlsoap.org/wsdl/http/"> |
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$xml |
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$method> |
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168
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169
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SOAP |
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$req->content($xml); |
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$req->content_length(length $xml); |
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$req->header('SOAPAction', 'http://schemas.xmlsoap.org/wsdl/http/' . $method); |
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$req->method('POST'); |
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$req->content_type('text/xml'); |
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} else { |
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if ($client->username) { |
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$req->header('X-WSSE', sprintf |
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qq(UsernameToken Username="%s", PasswordDigest="%s", Nonce="%s", Created="%s"), |
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$client->username || '', $digest, $nonce_enc, $now); |
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$req->header('Authorization', 'WSSE profile="UsernameToken"'); |
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} |
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} |
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} |
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185
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sub munge_response { |
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my $client = shift; |
187
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my($res) = @_; |
188
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if ($client->use_soap && (my $xml = $res->content)) { |
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my $doc; |
190
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if (LIBXML) { |
191
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my $parser = $client->libxml_parser; |
192
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$doc = $parser->parse_string($xml); |
193
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} else { |
194
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my $xp = XML::XPath->new(xml => $xml); |
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$doc = ($xp->find('/')->get_nodelist)[0]; |
196
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} |
197
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my $body = first($doc, NS_SOAP, 'Body'); |
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if (my $fault = first($body, NS_SOAP, 'Fault')) { |
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$res->code(textValue($fault, undef, 'faultcode')); |
200
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$res->message(textValue($fault, undef, 'faultstring')); |
201
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$res->content(''); |
202
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$res->content_length(0); |
203
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} else { |
204
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$xml = join '', map $_->toString(LIBXML ? 1 : 0), |
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LIBXML ? $body->childNodes : $body->getChildNodes; |
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$res->content($xml); |
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$res->content_length(1); |
208
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} |
209
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} |
210
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} |
211
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212
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sub make_nonce { sha1(sha1(time() . {} . rand() . $$)) } |
213
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214
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sub _utf8_off { |
215
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if ($] >= 5.008) { |
216
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require Encode; |
217
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Encode::_utf8_off($_[0]); |
218
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} |
219
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} |
220
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221
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sub libxml_parser { XML::Atom->libxml_parser } |
222
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223
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package LWP::UserAgent::AtomClient; |
224
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use strict; |
225
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use Scalar::Util; |
226
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227
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use base qw( LWP::UserAgent ); |
228
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229
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my %ClientOf; |
230
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sub new { |
231
|
|
|
|
|
|
|
my($class, $client) = @_; |
232
|
|
|
|
|
|
|
my $ua = $class->SUPER::new; |
233
|
|
|
|
|
|
|
$ClientOf{$ua} = $client; |
234
|
|
|
|
|
|
|
Scalar::Util::weaken($ClientOf{$ua}); |
235
|
|
|
|
|
|
|
$ua; |
236
|
|
|
|
|
|
|
} |
237
|
|
|
|
|
|
|
|
238
|
|
|
|
|
|
|
sub get_basic_credentials { |
239
|
|
|
|
|
|
|
my($ua, $realm, $url, $proxy) = @_; |
240
|
|
|
|
|
|
|
my $client = $ClientOf{$ua} or die "Cannot find $ua"; |
241
|
|
|
|
|
|
|
return $client->username, $client->password; |
242
|
|
|
|
|
|
|
} |
243
|
|
|
|
|
|
|
|
244
|
|
|
|
|
|
|
sub DESTROY { |
245
|
|
|
|
|
|
|
my $self = shift; |
246
|
|
|
|
|
|
|
delete $ClientOf{$self}; |
247
|
|
|
|
|
|
|
} |
248
|
|
|
|
|
|
|
|
249
|
|
|
|
|
|
|
1; |
250
|
|
|
|
|
|
|
__END__ |