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name	type	size	perms	modified	actions
[parent directory]
file/	dir	-	0755	2026-08-18 11:12:42
urn/	dir	-	0755	2026-08-18 11:12:42
_foreign.pm	file	107 B	0644	2024-02-09 15:01:28	edit
_generic.pm	file	6,821 B	0644	2024-02-09 15:01:28	edit
_idna.pm	file	2,079 B	0644	2024-02-09 15:01:28	edit
_ldap.pm	file	3,249 B	0644	2024-02-09 15:01:28	edit
_login.pm	file	231 B	0644	2024-02-09 15:01:28	edit
_punycode.pm	file	5,632 B	0644	2024-02-09 15:01:28	edit
_query.pm	file	4,625 B	0644	2024-02-09 15:01:28	edit
_segment.pm	file	416 B	0644	2024-02-09 15:01:28	edit
_server.pm	file	3,886 B	0644	2024-02-09 15:01:28	edit
_userpass.pm	file	1,039 B	0644	2024-02-09 15:01:28	edit
data.pm	file	3,390 B	0644	2024-02-09 15:01:28	edit
Escape.pm	file	7,915 B	0644	2024-02-09 15:01:28	edit
file.pm	file	9,689 B	0644	2024-02-09 15:01:28	edit
ftp.pm	file	1,056 B	0644	2024-02-09 15:01:28	edit
geo.pm	file	10,754 B	0644	2024-02-09 15:01:28	edit
gopher.pm	file	2,428 B	0644	2024-02-09 15:01:28	edit
Heuristic.pm	file	6,527 B	0644	2024-02-09 15:01:28	edit
http.pm	file	425 B	0644	2024-02-09 15:01:28	edit
https.pm	file	144 B	0644	2024-02-09 15:01:28	edit
icap.pm	file	1,495 B	0644	2024-02-09 15:01:28	edit
icaps.pm	file	1,442 B	0644	2024-02-09 15:01:28	edit
IRI.pm	file	794 B	0644	2024-02-09 15:01:28	edit
ldap.pm	file	2,924 B	0644	2024-02-09 15:01:28	edit
ldapi.pm	file	440 B	0644	2024-02-09 15:01:28	edit
ldaps.pm	file	144 B	0644	2024-02-09 15:01:28	edit
mailto.pm	file	1,657 B	0644	2024-02-09 15:01:28	edit
mms.pm	file	125 B	0644	2024-02-09 15:01:28	edit
news.pm	file	1,454 B	0644	2024-02-09 15:01:28	edit
nntp.pm	file	127 B	0644	2024-02-09 15:01:28	edit
nntps.pm	file	144 B	0644	2024-02-09 15:01:28	edit
pop.pm	file	1,207 B	0644	2024-02-09 15:01:28	edit
QueryParam.pm	file	655 B	0644	2024-02-09 15:01:28	edit
rlogin.pm	file	129 B	0644	2024-02-09 15:01:28	edit
rsync.pm	file	207 B	0644	2024-02-09 15:01:28	edit
rtsp.pm	file	125 B	0644	2024-02-09 15:01:28	edit
rtspu.pm	file	126 B	0644	2024-02-09 15:01:28	edit
sftp.pm	file	98 B	0644	2024-02-09 15:01:28	edit
sip.pm	file	1,670 B	0644	2024-02-09 15:01:28	edit
sips.pm	file	143 B	0644	2024-02-09 15:01:28	edit
snews.pm	file	172 B	0644	2024-02-09 15:01:28	edit
Split.pm	file	2,353 B	0644	2024-02-09 15:01:28	edit
ssh.pm	file	175 B	0644	2024-02-09 15:01:28	edit
telnet.pm	file	128 B	0644	2024-02-09 15:01:28	edit
tn3270.pm	file	128 B	0644	2024-02-09 15:01:28	edit
URL.pm	file	5,487 B	0644	2024-02-09 15:01:28	edit
urn.pm	file	2,077 B	0644	2024-02-09 15:01:28	edit
WithBase.pm	file	3,862 B	0644	2024-02-09 15:01:28	edit

editing: _idna.pm

package URI::_idna;

# This module implements the RFCs 3490 (IDNA) and 3491 (Nameprep)
# based on Python-2.6.4/Lib/encodings/idna.py

use strict;
use warnings;

use URI::_punycode qw(decode_punycode encode_punycode);
use Carp qw(croak);

our $VERSION = '5.27';

BEGIN {
  *URI::_idna::_ENV_::JOIN_LEAKS_UTF8_FLAGS = "$]" < 5.008_003
    ? sub () { 1 }
    : sub () { 0 }
  ;
}

my $ASCII = qr/^[\x00-\x7F]*\z/;

sub encode {
    my $idomain = shift;
    my @labels = split(/\./, $idomain, -1);
    my @last_empty;
    push(@last_empty, pop @labels) if @labels > 1 && $labels[-1] eq "";
    for (@labels) {
	$_ = ToASCII($_);
    }

return eval 'join(".", @labels, @last_empty)' if URI::_idna::_ENV_::JOIN_LEAKS_UTF8_FLAGS;
    return join(".", @labels, @last_empty);
}

sub decode {
    my $domain = shift;
    return join(".", map ToUnicode($_), split(/\./, $domain, -1))
}

sub nameprep { # XXX real implementation missing
    my $label = shift;
    $label = lc($label);
    return $label;
}

sub check_size {
    my $label = shift;
    croak "Label empty" if $label eq "";
    croak "Label too long" if length($label) > 63;
    return $label;
}

sub ToASCII {
    my $label = shift;
    return check_size($label) if $label =~ $ASCII;

# Step 2: nameprep
    $label = nameprep($label);
    # Step 3: UseSTD3ASCIIRules is false
    # Step 4: try ASCII again
    return check_size($label) if $label =~ $ASCII;

# Step 5: Check ACE prefix
    if ($label =~ /^xn--/) {
        croak "Label starts with ACE prefix";
    }

# Step 6: Encode with PUNYCODE
    $label = encode_punycode($label);

# Step 7: Prepend ACE prefix
    $label = "xn--$label";

# Step 8: Check size
    return check_size($label);
}

sub ToUnicode {
    my $label = shift;
    $label = nameprep($label) unless $label =~ $ASCII;
    return $label unless $label =~ /^xn--/;
    my $result = decode_punycode(substr($label, 4));
    my $label2 = ToASCII($result);
    if (lc($label) ne $label2) {
	croak "IDNA does not round-trip: '\L$label\E' vs '$label2'";
    }
    return $result;
}

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