晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /proc/thread-self/root/usr/share/perl5/vendor_perl/LWP/Protocol/

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Current File : //proc/thread-self/root/usr/share/perl5/vendor_perl/LWP/Protocol/cpan.pm
package LWP::Protocol::cpan;

use strict;

use base qw(LWP::Protocol);

our $VERSION = '6.34';

require URI;
require HTTP::Status;
require HTTP::Response;

our $CPAN;

unless ($CPAN) {
    # Try to find local CPAN mirror via $CPAN::Config
    eval {
	require CPAN::Config;
	if($CPAN::Config) {
	    my $urls = $CPAN::Config->{urllist};
	    if (ref($urls) eq "ARRAY") {
		my $file;
		for (@$urls) {
		    if (/^file:/) {
			$file = $_;
			last;
		    }
		}

		if ($file) {
		    $CPAN = $file;
		}
		else {
		    $CPAN = $urls->[0];
		}
	    }
	}
    };

    $CPAN ||= "http://cpan.org/";  # last resort
}

# ensure that we don't chop of last part
$CPAN .= "/" unless $CPAN =~ m,/$,;


sub request {
    my($self, $request, $proxy, $arg, $size) = @_;
    # check proxy
    if (defined $proxy)
    {
	return HTTP::Response->new(HTTP::Status::RC_BAD_REQUEST,
				   'You can not proxy with cpan');
    }

    # check method
    my $method = $request->method;
    unless ($method eq 'GET' || $method eq 'HEAD') {
	return HTTP::Response->new(HTTP::Status::RC_BAD_REQUEST,
				   'Library does not allow method ' .
				   "$method for 'cpan:' URLs");
    }

    my $path = $request->uri->path;
    $path =~ s,^/,,;

    my $response = HTTP::Response->new(HTTP::Status::RC_FOUND);
    $response->header("Location" => URI->new_abs($path, $CPAN));
    $response;
}

1;

haha - 2025