SM0 She11

Path: / / usr / share / perl5 / URI

Full Path (server): /usr/share/perl5/URI

📄 Escape.pm [E] [D]
📄 Heuristic.pm [E] [D]
📄 IRI.pm [E] [D]
📄 QueryParam.pm [E] [D]
📄 Split.pm [E] [D]
📄 URL.pm [E] [D]
📄 WithBase.pm [E] [D]
📄 _foreign.pm [E] [D]
📄 _generic.pm [E] [D]
📄 _idna.pm [E] [D]
📄 _ldap.pm [E] [D]
📄 _login.pm [E] [D]
📄 _punycode.pm [E] [D]
📄 _query.pm [E] [D]
📄 _segment.pm [E] [D]
📄 _server.pm [E] [D]
📄 _userpass.pm [E] [D]
📄 data.pm [E] [D]
📁 file Open [D]
📄 file.pm [E] [D]
📄 ftp.pm [E] [D]
📄 gopher.pm [E] [D]
📄 http.pm [E] [D]
📄 https.pm [E] [D]
📄 ldap.pm [E] [D]
📄 ldapi.pm [E] [D]
📄 ldaps.pm [E] [D]
📄 mailto.pm [E] [D]
📄 mms.pm [E] [D]
📄 news.pm [E] [D]
📄 nntp.pm [E] [D]
📄 pop.pm [E] [D]
📄 rlogin.pm [E] [D]
📄 rsync.pm [E] [D]
📄 rtsp.pm [E] [D]
📄 rtspu.pm [E] [D]
📄 sip.pm [E] [D]
📄 sips.pm [E] [D]
📄 snews.pm [E] [D]
📄 ssh.pm [E] [D]
📄 telnet.pm [E] [D]
📄 tn3270.pm [E] [D]
📁 urn Open [D]
📄 urn.pm [E] [D]

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

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;
}