/**
* nv_xmlOutput()
*
* @param string $content
* @param mixed $lastModified
* @return void
*/
function nv_xmlOutput($content, $lastModified)
{
$tidy_options = array('input-xml' => true, 'output-xml' => true, 'indent' => true, 'indent-cdata' => true, 'wrap' => false);
$content = (string) nv_valid_html($content, $tidy_options, 'utf8');
@Header("Last-Modified: " . gmdate("D, d M Y H:i:s", $lastModified) . " GMT");
@Header("Expires: " . gmdate("D, d M Y H:i:s", $lastModified) . " GMT");
@Header("Content-Type: text/xml; charset=utf-8");
if (!empty($_SERVER['SERVER_SOFTWARE']) and strstr($_SERVER['SERVER_SOFTWARE'], 'Apache/2')) {
@Header("Cache-Control: no-cache, pre-check=0, post-check=0");
} else {
@Header("Cache-Control: private, pre-check=0, post-check=0, max-age=0");
}
@Header("Pragma: no-cache");
$encoding = "none";
if (nv_function_exists('gzencode')) {
$encoding = strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') ? 'gzip' : (strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') ? 'deflate' : 'none');
if ($encoding != 'none') {
if (!strstr($_SERVER['HTTP_USER_AGENT'], 'Opera') && preg_match('/^Mozilla\\/4\\.0 \\(compatible; MSIE ([0-9]\\.[0-9])/i', $_SERVER['HTTP_USER_AGENT'], $matches)) {
$version = floatval($matches[1]);
if ($version < 6 || $version == 6 && !strstr($_SERVER['HTTP_USER_AGENT'], 'EV1')) {
$encoding = 'none';
}
}
}
}
if ($encoding != "none") {
$content = gzencode($content, 6, $encoding == 'gzip' ? FORCE_GZIP : FORCE_DEFLATE);
header("Content-Encoding: " . $encoding);
header('Vary: Accept-Encoding');
}
print_r($content);
die;
}
/**
* nv_change_buffer()
*
* @param mixed $buffer
* @return
*/
function nv_change_buffer($buffer)
{
global $db, $sys_info, $global_config;
$buffer = $db->unfixdb($buffer);
$buffer = nv_url_rewrite($buffer);
if (defined("NV_ANTI_IFRAME") and NV_ANTI_IFRAME) {
$buffer = preg_replace("/(<body[^>]*>)/", "\$1\r\n<script type=\"text/javascript\">if(window.top!==window.self){document.write=\"\";window.top.location=window.self.location;setTimeout(function(){document.body.innerHTML=\"\"},1);window.self.onload=function(){document.body.innerHTML=\"\"}};</script>", $buffer, 1);
}
if (!empty($global_config['googleAnalyticsID']) and preg_match('/^UA-\\d{4,}-\\d+$/', $global_config['googleAnalyticsID'])) {
$dp = "";
if ($global_config['googleAnalyticsSetDomainName'] == 1) {
$dp .= "_gaq.push([\"_setDomainName\",\"" . $global_config['cookie_domain'] . "\"]);";
} elseif ($global_config['googleAnalyticsSetDomainName'] == 2) {
$dp .= "_gaq.push([\"_setDomainName\",\"none\"]);_gaq.push([\"_setAllowLinker\",true]);";
}
$googleAnalytics = "<script type=\"text/javascript\">\r\n";
$googleAnalytics .= "//<![CDATA[\r\n";
$googleAnalytics .= "var _gaq=_gaq||[];_gaq.push([\"_setAccount\",\"" . $global_config['googleAnalyticsID'] . "\"]);" . $dp . "_gaq.push([\"_trackPageview\"]);(function(){var a=document.createElement(\"script\");a.type=\"text/javascript\";a.async=true;a.src=(\"https:\"==document.location.protocol?\"https://ssl\":\"http://www\")+\".google-analytics.com/ga.js\";var b=document.getElementsByTagName(\"script\")[0];b.parentNode.insertBefore(a,b)})();\r\n";
$googleAnalytics .= "//]]>\r\n";
$googleAnalytics .= "</script>\r\n";
$buffer = preg_replace('/(<\\/head>)/i', $googleAnalytics . "\\1", $buffer, 1);
}
if ($global_config['optActive'] == 1 || (!defined('NV_ADMIN') and $global_config['optActive'] == 2) || (defined('NV_ADMIN') and $global_config['optActive'] == 3)) {
include_once NV_ROOTDIR . '/includes/class/optimizer.class.php';
$optimezer = new optimezer($buffer, $sys_info['supports_tidy']);
$buffer = $optimezer->process();
//http://tidy.sourceforge.net/docs/quickref.html
$config = array('doctype' => 'transitional', 'input-encoding' => 'utf8', 'output-encoding' => 'utf8', 'output-xhtml' => true, 'drop-empty-paras' => true, 'drop-proprietary-attributes' => true, 'word-2000' => true, 'enclose-block-text' => true, 'enclose-text' => true, 'hide-comments' => false, 'hide-endtags' => true, 'indent' => false, 'indent-spaces' => 4, 'logical-emphasis' => true, 'lower-literals' => true, 'markup' => true, 'preserve-entities' => true, 'quote-ampersand' => true, 'quote-marks' => true, 'quote-nbsp' => true, 'show-warnings' => false, 'wrap' => 0, 'alt-text' => true);
$buffer = nv_valid_html($buffer, $config);
}
if (!$sys_info['supports_rewrite']) {
$buffer = preg_replace("/\\<(script|link)(.*?)(src|href)=['\"]((?!http(s?)|ftp\\:\\/\\/).*?\\.(js|css))['\"](.*?)\\>/", "<\\1\\2\\3=\"" . NV_BASE_SITEURL . "CJzip.php?file=\\4&r=" . $global_config['timestamp'] . "\"\\7>", $buffer);
} else {
$buffer = preg_replace("/\\<(script|link)(.*?)(src|href)=['\"]((?!http(s?)|ftp\\:\\/\\/).*?\\.(js|css))['\"](.*?)\\>/", "<\\1\\2\\3=\"\\4?t=" . $global_config['timestamp'] . "\"\\7>", $buffer);
}
return $buffer;
}
/**
* nv_change_buffer()
*
* @param mixed $buffer
* @return
*/
function nv_change_buffer($buffer)
{
global $db;
$buffer = $db->unfixdb($buffer);
$buffer = nv_url_rewrite($buffer);
//http://tidy.sourceforge.net/docs/quickref.html
$config = array('doctype' => 'transitional', 'input-encoding' => 'utf8', 'output-encoding' => 'utf8', 'output-xhtml' => true, 'drop-empty-paras' => true, 'drop-proprietary-attributes' => true, 'word-2000' => true, 'enclose-block-text' => true, 'enclose-text' => true, 'hide-comments' => false, 'hide-endtags' => true, 'indent' => true, 'indent-spaces' => 4, 'logical-emphasis' => true, 'lower-literals' => true, 'markup' => true, 'preserve-entities' => true, 'quote-ampersand' => true, 'quote-marks' => true, 'quote-nbsp' => true, 'show-warnings' => false, 'wrap' => 150);
// Moi dong khong qua 150 ky tu
$buffer = nv_valid_html($buffer, $config);
return $buffer;
}
