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Click here to download plain text source code.

# subroutine name: get_cookies
# Extracts all cookies from 'COOKIE' or 'HTTP_COOKIE' environment variable
# Returns: hash of cookies (cookie_name => cookie_value)
sub get_cookies {
    my %cookies;
    my ($key, $value);
    foreach my $expression ( split (/;\s*/, "$ENV{'COOKIE'};$ENV{'HTTP_COOKIE'}") ) {
        ($key,$value) = split (/=/, $expression);
        if ($key ne "") {
            # URL-decode values
            $value =~ tr/+/ /;    # pluses become spaces
            $value =~ s/%([0-9a-fA-F]{2})/pack("c",hex($1))/ge;
            $cookies{$key} = $value;
        }
    };
    return %cookies;
}
 
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