/**
* Returns allow-origin rules
*
* @param bool $cdnftp
* @return string
*/
public static function allow_origin($cdnftp = false)
{
switch (true) {
case Util_Environment::is_apache():
case Util_Environment::is_litespeed():
$r = "<IfModule mod_headers.c>\n";
$r .= " Header set Access-Control-Allow-Origin \"*\"\n";
$r .= "</IfModule>\n";
if (!$cdnftp) {
return $r;
} else {
return "<FilesMatch \"\\.(ttf|ttc|otf|eot|woff|woff2|font.css)\$\">\n" . $r . "</FilesMatch>\n";
}
}
return '';
}
/**
* Sets data
*
* @param string $key
* @param string $var
* @param int $expire
* @param string $group Used to differentiate between groups of cache values
* @return boolean
*/
function set($key, $var, $expire = 0, $group = '')
{
$key = $this->get_item_key($key);
$sub_path = $this->_get_path($key);
$path = $this->_cache_dir . '/' . $sub_path;
$dir = dirname($path);
if (!@is_dir($dir)) {
if (!Util_File::mkdir_from($dir, W3TC_CACHE_DIR)) {
return false;
}
}
$tmppath = $path . '.' . getmypid();
$fp = @fopen($tmppath, 'w');
if (!$fp) {
return false;
}
if ($this->_locking) {
@flock($fp, LOCK_EX);
}
@fputs($fp, $var['content']);
@fclose($fp);
if ($this->_locking) {
@flock($fp, LOCK_UN);
}
// some hostings create files with restrictive permissions
// not allowing apache to read it later
@chmod($path, 0644);
if (@filesize($tmppath) > 0) {
@unlink($path);
@rename($tmppath, $path);
}
@unlink($tmppath);
$old_entry_path = $path . '.old';
@unlink($old_entry_path);
if (Util_Environment::is_apache() && isset($var['headers']) && isset($var['headers']['Content-Type']) && substr($var['headers']['Content-Type'], 0, 8) == 'text/xml') {
file_put_contents(dirname($path) . '/.htaccess', "<IfModule mod_mime.c>\n" . " RemoveType .html_gzip\n" . " AddType text/xml .html_gzip\n" . " RemoveType .html\n" . " AddType text/xml .html\n" . "</IfModule>");
}
return true;
}
/**
* Generates directives for file cache dir
*
* @param Config $config
* @return string
*/
private function rules_cache_generate($config)
{
switch (true) {
case Util_Environment::is_apache():
case Util_Environment::is_litespeed():
return $this->rules_cache_generate_apache($config);
case Util_Environment::is_nginx():
return $this->rules_cache_generate_nginx($config);
}
return '';
}
/**
* Generates rules for WP dir
*
* @param Config $config
* @return string
*/
private static function rules_generate($config)
{
switch (true) {
case Util_Environment::is_apache():
case Util_Environment::is_litespeed():
return self::rules_generate_apache($config);
case Util_Environment::is_nginx():
return self::rules_generate_nginx($config);
}
return '';
}
?>
</code>
<?php
} else {
?>
<code><?php
_e('Not available', 'w3-total-cache');
?>
</code>
<?php
}
?>
</li>
<?php
if (Util_Environment::is_apache()) {
$apache_modules = function_exists('apache_get_modules') ? apache_get_modules() : false;
$modules = array('mod_deflate', 'mod_env', 'mod_expires', 'mod_filter', 'mod_ext_filter', 'mod_headers', 'mod_mime', 'mod_rewrite', 'mod_setenvif');
?>
<?php
foreach ($modules as $module) {
?>
<li>
<?php
echo $module;
?>
:
<?php
if ($apache_modules) {
?>
<?php
/**
* Generate rules related to prevent for media 404 error by WP
*
* @param Config $config
* @return string
*/
private function rules_no404wp_generate($config)
{
switch (true) {
case Util_Environment::is_apache():
case Util_Environment::is_litespeed():
return $this->rules_no404wp_generate_apache($config);
}
return false;
}
/**
* Checks if the platform running WP is supported by New Relic.
* The verifications is based on https://newrelic.com/docs/php/new-relic-for-php
*
* @return array
*/
function verify_compatibility()
{
$php_versions = array('5.2.x', '5.3.x', '5.4.x');
$verified = array();
$version = explode('.', PHP_VERSION);
$php_version = sprintf('%s.%s.%s', $version[0], $version[1], $version[2]);
$php_version_ok = version_compare($php_version, '5.2', '>') && version_compare($php_version, '5.5', '<');
$supported_string = __('Supported', 'w3-total-cache');
$verified[__('PHP version', 'w3-total-cache')] = $php_version_ok ? $supported_string : sprintf(__('Not supported: %s. Supported versions are %s.', 'w3-total-cache'), $php_version, implode(', ', $php_versions));
$os_name = php_uname('s');
switch ($os_name) {
case 'Linux':
/**
* Any other version of Linux with kernel 2.6.13 or later
* (2.6.26 and later highly recommended) and glibc 2.5 or later
*/
$version = explode('.', php_uname('r'));
$os_version = sprintf('%d.%d.%d', $version[0], $version[1], $version[2]);
$os_check = version_compare($os_version, '2.6.13', '>=');
break;
case 'FreeBSD':
/**
* You must enable the linkthr build option so that the New Relic agent will not cause your PHP to hang.
*/
$version = explode('.', php_uname('r'));
$os_version = sprintf('%d.%d', $version[0], $version[1]);
$os_check = version_compare($os_version, '7.3', '>=');
break;
case 'MacOS/X':
/**
* MacOS/X configurations do not use the standard /etc/init.d/newrelic-daemon script.
* Instead, they use /usr/bin/newrelic-daemon-service in the same way; for example:
* /usr/bin/newrelic-daemon-service restart.
*/
$version = explode('.', php_uname('r'));
$os_version = sprintf('%d.%d', $version[0], $version[1]);
$os_check = version_compare($os_version, '10.5', '>=');
break;
case 'Open Solaris':
/**
* snv_134b or later
*/
$version = explode('.', php_uname('r'));
$os_version = sprintf('%d', $version[0]);
$os_check = version_compare($os_version, '10', '==');
break;
default:
$os_check = false;
$os_name = php_uname();
$os_version = '';
}
$verified[__('Operating System', 'w3-total-cache')] = $os_check ? $supported_string : sprintf(__('Not Supported. (%s %s See %s page.)', 'w3-total-cache'), $os_name, $os_version, '<a href="https://newrelic.com/docs/php/new-relic-for-php#requirements" target="_blank">
NewRelic Requirements</a>');
/**
* Apache 2.2 or 2.4 via mod_php
* Or any web server that supports FastCGI using php-fpm
*/
$server = explode('/', $_SERVER['SERVER_SOFTWARE']);
$ws_check = false;
$ws_name = $_SERVER['SERVER_SOFTWARE'];
$ws_version = '';
if (sizeof($server) > 1) {
$ws_name = $server[0];
$ws_version = $server[1];
if (sizeof($version = explode('.', $ws_version)) > 1) {
$ws_version = sprintf('%d.%d', $version[0], $version[1]);
}
}
switch (true) {
case Util_Environment::is_apache():
if ($ws_version) {
$ws_check = version_compare($ws_version, '2.2', '>=') || version_compare($ws_version, '2.4', '>=');
}
break;
case Util_Environment::is_nginx():
$ws_check = php_sapi_name() == 'fpm-fcgi';
$ws_name .= php_sapi_name();
break;
default:
$ws_check = php_sapi_name() == 'fpm-fcgi';
$ws_name = $_SERVER['SERVER_SOFTWARE'];
$ws_version = '';
}
$verified[__('Web Server', 'w3-total-cache')] = $ws_check ? $supported_string : sprintf(__('Not Supported. (%s %s See %s page.)', 'w3-total-cache'), $ws_name, $ws_version, '<a href="https://newrelic.com/docs/php/new-relic-for-php#requirements" target="_blank">
NewRelic Requirements</a>');
return $verified;
}
/**
* Returns true if we can check rules
*
* @return bool
*/
public static function can_check_rules()
{
return Util_Environment::is_apache() || Util_Environment::is_litespeed() || Util_Environment::is_nginx();
}