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lib/AnyEvent/HTTP/LWP/UserAgent.pm  view on Meta::CPAN

	    ($challenge) = HTTP::Headers::Util::split_header_words($challenge);
	    my $scheme = shift(@$challenge);
	    shift(@$challenge); # no value
	    $challenge = { @$challenge };  # make rest into a hash

	    unless ($scheme =~ /^([a-z]+(?:-[a-z]+)*)$/) {
		$response->header("Client-Warning" =>
				  "Bad authentication scheme '$scheme'");
		$cv->send($response); return;
	    }
	    $scheme = $1;  # untainted now
	    my $class = "LWP::Authen::\u$scheme";
	    $class =~ s/-/_/g;

	    no strict 'refs';
	    unless (%{"$class\::"}) {
		# try to load it
		eval "require $class";
		if ($@) {
		    if ($@ =~ /^Can\'t locate/) {
			$response->header("Client-Warning" =>