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    return $str;
}

package
    App::cpanurl::HTTP::Tiny::Handle; # hide from PAUSE/indexers
use strict;
use warnings;

use Errno      qw[EINTR EPIPE];
use IO::Socket qw[SOCK_STREAM];

sub BUFSIZE () { 32768 }

my $Printable = sub {
    local $_ = shift;
    s/\r/\\r/g;
    s/\n/\\n/g;
    s/\t/\\t/g;
    s/([^\x20-\x7E])/sprintf('\\x%.2X', ord($1))/ge;
    $_;
};

my $Token = qr/[\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7A\x7C\x7E]/;

sub new {
    my ($class, %args) = @_;
    return bless {
        rbuf             => '',
        timeout          => 60,
        max_line_size    => 16384,
        max_header_lines => 64,
        %args
    }, $class;
}

my $ssl_verify_args = {
    check_cn => "when_only",
    wildcards_in_alt => "anywhere",
    wildcards_in_cn => "anywhere"
};

sub connect {
    @_ == 4 || die(q/Usage: $handle->connect(scheme, host, port)/ . "\n");
    my ($self, $scheme, $host, $port) = @_;

    if ( $scheme eq 'https' ) {
        eval "require IO::Socket::SSL"
            unless exists $INC{'IO/Socket/SSL.pm'};
        die(qq/IO::Socket::SSL must be installed for https support\n/)
            unless $INC{'IO/Socket/SSL.pm'};
    }
    elsif ( $scheme ne 'http' ) {
      die(qq/Unsupported URL scheme '$scheme'\n/);
    }

    $self->{fh} = 'IO::Socket::INET'->new(
        PeerHost  => $host,
        PeerPort  => $port,
        Proto     => 'tcp',
        Type      => SOCK_STREAM,
        Timeout   => $self->{timeout}
    ) or die(qq/Could not connect to '$host:$port': $@\n/);

    binmode($self->{fh})
      or die(qq/Could not binmode() socket: '$!'\n/);

    if ( $scheme eq 'https') {
        IO::Socket::SSL->start_SSL($self->{fh});
        ref($self->{fh}) eq 'IO::Socket::SSL'
            or die(qq/SSL connection failed for $host\n/);
        $self->{fh}->verify_hostname( $host, $ssl_verify_args )
            or die(qq/SSL certificate not valid for $host\n/);
    }

    $self->{host} = $host;
    $self->{port} = $port;

    return $self;
}

sub close {
    @_ == 1 || die(q/Usage: $handle->close()/ . "\n");
    my ($self) = @_;
    CORE::close($self->{fh})
      or die(qq/Could not close socket: '$!'\n/);
}

sub write {
    @_ == 2 || die(q/Usage: $handle->write(buf)/ . "\n");
    my ($self, $buf) = @_;

    if ( $] ge '5.008' ) {
        utf8::downgrade($buf, 1)
            or die(qq/Wide character in write()\n/);
    }

    my $len = length $buf;
    my $off = 0;

    local $SIG{PIPE} = 'IGNORE';

    while () {
        $self->can_write
          or die(qq/Timed out while waiting for socket to become ready for writing\n/);
        my $r = syswrite($self->{fh}, $buf, $len, $off);
        if (defined $r) {
            $len -= $r;
            $off += $r;
            last unless $len > 0;
        }
        elsif ($! == EPIPE) {
            die(qq/Socket closed by remote server: $!\n/);
        }
        elsif ($! != EINTR) {
            die(qq/Could not write to socket: '$!'\n/);
        }
    }
    return $off;
}

sub read {