/**
* Constructor
*
* @param array $config
*/
function __construct($config = array())
{
parent::__construct($config);
if (isset($config['cache_dir'])) {
$this->_cache_dir = trim($config['cache_dir']);
} else {
$this->_cache_dir = w3_cache_blog_dir($config['section'], $config['blog_id']);
}
$this->_exclude = isset($config['exclude']) ? (array) $config['exclude'] : array();
$this->_flush_timelimit = isset($config['flush_timelimit']) ? (int) $config['flush_timelimit'] : 180;
$this->_locking = isset($config['locking']) ? (bool) $config['locking'] : false;
if (isset($config['flush_dir'])) {
$this->_flush_dir = $config['flush_dir'];
} else {
if ($config['blog_id'] <= 0) {
// clear whole section if we operate on master cache
$this->_flush_dir = w3_cache_dir($config['section']);
} else {
$this->_flush_dir = $this->_cache_dir;
}
}
if (isset($config['use_wp_hash']) && $config['use_wp_hash'] && function_exists('wp_hash')) {
$this->_use_wp_hash = true;
}
}
function cleanup()
{
$engine = $this->_config->get_string('fragmentcache.engine');
switch ($engine) {
case 'file':
w3_require_once(W3TC_LIB_W3_DIR . '/Cache/File/Cleaner.php');
$w3_cache_file_cleaner = new W3_Cache_File_Cleaner(array('cache_dir' => w3_cache_blog_dir('fragment'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner->clean();
break;
}
}
/**
* Called on successful file upload to CDN
*
* @param $file_name
*/
function on_cdn_file_upload($file_name)
{
if ($this->_minify_enabled) {
$minify_document_root = w3_cache_blog_dir('minify') . '/';
if (!substr($file_name, 0, strlen($minify_document_root)) == $minify_document_root) {
// unexpected file name
return;
}
$short_file_name = substr($file_name, strlen($minify_document_root));
$this->_get_minify()->set_file_custom_data($short_file_name, array('cdn.status' => 'uploaded'));
}
}
function print_script()
{
?>
<script type="text/javascript">
function w3tc_start_minify_try_solve() {
var testUrl = '<?php
echo w3_filename_to_url(w3_cache_blog_dir('minify') . '/');
?>
';
w3tc_filename_auto_solve(testUrl);
}
</script>
<?php
}
/**
* Write log entry
*
* @param string message
* @param string $file
* @return bool|int
*/
function w3tc_file_log($message, $file)
{
if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
$data = sprintf("[%s] %s %s\n", date('r'), $message, $file);
if (get_site_option('w3tc_support_request')) {
$blog_id = 0;
} else {
$blog_id = null;
}
$filename = w3_cache_blog_dir('log', $blog_id) . '/file-sender.log';
if (!is_dir(dirname($filename))) {
w3_mkdir_from(dirname($filename), W3TC_CACHE_DIR);
}
@file_put_contents($filename, $data, FILE_APPEND);
}
}
function cleanup_local()
{
$engine = $this->_config->get_string('pgcache.engine');
switch ($engine) {
case 'file':
w3_require_once(W3TC_LIB_W3_DIR . '/Cache/File/Cleaner.php');
$w3_cache_file_cleaner = new W3_Cache_File_Cleaner(array('cache_dir' => w3_cache_blog_dir('page'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner->clean();
break;
case 'file_generic':
w3_require_once(W3TC_LIB_W3_DIR . '/Cache/File/Cleaner/Generic.php');
if (w3_get_blog_id() == 0) {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR;
} else {
$flush_dir = W3TC_CACHE_PAGE_ENHANCED_DIR . '/' . w3_get_domain(w3_get_host());
}
$w3_cache_file_cleaner_generic = new W3_Cache_File_Cleaner_Generic(array('exclude' => array('.htaccess'), 'cache_dir' => $flush_dir, 'expire' => $this->_config->get_integer('browsercache.html.lifetime'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner_generic->clean();
break;
}
}
/**
* Formats custom URL
*
* @param array $files
* @param string $type
* @return array
*/
function get_minify_urls_for_files($files, $type)
{
$w3_minify = w3_instance('W3_Minify');
$url = array();
$minify_filenames = $w3_minify->compress_minify_files($files, $type);
foreach ($minify_filenames as $minify_filename) {
$filename = w3_cache_blog_dir('minify') . '/' . $minify_filename;
if ($this->_config->get_boolean('minify.rewrite')) {
$url[] = w3_filename_to_url($filename);
} else {
$url[] = plugins_url('pub/minify.php?file=' . $minify_filename, W3TC_FILE);
}
}
return $url;
}
/**
* Compresses an array of files into a filename containing all files.
* If filename length exceeds 246 characters or value defined in minify.auto.filename_length when gzcompress/gzdeflate is available
* multiple compressed filenames will be returned
* @param $files
* @param $type
* @return array
*/
function compress_minify_files($files, $type)
{
$optimized = array();
foreach ($files as $file) {
// from PHP.net
$pattern = '/\\w+\\/\\.\\.\\//';
while (preg_match($pattern, $file)) {
$file = preg_replace($pattern, '', $file);
}
if (!w3_is_url($file)) {
$optimized[] = dirname($file) . '/' . basename($file, '.' . $type);
} else {
$optimized[] = $file;
}
}
$input = array();
$replace = $this->_minify_path_replacements();
$replaced = false;
foreach ($optimized as $file) {
foreach ($replace as $key => $path) {
if (strpos($file, $path) === 0) {
$input[] = str_replace($path, $key, $file);
$replaced = true;
break;
}
}
if ($replaced) {
$replaced = false;
} else {
$input[] = $file;
}
}
$minify_filename = array();
$imploded = implode(',', $input);
$config = w3_instance('W3_Config');
if (!W3TC_WIN) {
$fn_length = $config->get_integer('minify.auto.filename_length', 246);
$fn_length = $fn_length > 246 ? 246 : $fn_length;
} else {
$dir = w3_cache_blog_dir('minify');
$fn_length = 246 - strlen($dir);
}
$compressed = $this->_compress($imploded);
if (strlen($compressed) >= $fn_length) {
$arr_chunks = $this->_combine_and_check_filenames($input, $fn_length);
foreach ($arr_chunks as $part) {
$part_imploded = implode(',', $part);
$base = rtrim(strtr(base64_encode($this->_compress($part_imploded)), '+/', '-_'), '=');
$minify_filename[] = $base . '.' . $type;
}
} else {
$base = rtrim(strtr(base64_encode($compressed), '+/', '-_'), '=');
$minify_filename[] = $base . '.' . $type;
}
return $minify_filename;
}
/**
* Does disk cache cleanup
*
* @return void
*/
function cleanup()
{
w3_require_once(W3TC_LIB_W3_DIR . '/Cache/File/Cleaner.php');
$w3_cache_file_cleaner = new W3_Cache_File_Cleaner(array('cache_dir' => w3_cache_blog_dir('object'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner->clean();
}
/**
* Does disk cache cleanup
*
* @return void
*/
function cleanup()
{
w3_require_once(W3TC_LIB_W3_DIR . '/Cache/File/Cleaner/Generic.php');
$w3_cache_file_cleaner_generic = new W3_Cache_File_Cleaner_Generic(array('exclude' => array('*.files', '.htaccess', 'index.php'), 'cache_dir' => w3_cache_blog_dir('minify'), 'expire' => $this->_config->get_integer('minify.file.gc'), 'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')));
$w3_cache_file_cleaner_generic->clean();
}
/**
* Send support request action
*
* @return void
*/
function action_support_request()
{
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$request_type = W3_Request::get_string('request_type');
$payment = W3_Request::get_boolean('payment');
$request_id = W3_Request::get_string('request_id');
$url = W3_Request::get_string('url');
$name = W3_Request::get_string('name');
$email = W3_Request::get_string('email');
$twitter = W3_Request::get_string('twitter');
$phone = W3_Request::get_string('phone');
$subject = W3_Request::get_string('subject');
$description = W3_Request::get_string('description');
$templates = W3_Request::get_array('templates');
$forum_url = W3_Request::get_string('forum_url');
$wp_login = W3_Request::get_string('wp_login');
$wp_password = W3_Request::get_string('wp_password');
$ftp_host = W3_Request::get_string('ftp_host');
$ftp_login = W3_Request::get_string('ftp_login');
$ftp_password = W3_Request::get_string('ftp_password');
$subscribe_releases = W3_Request::get_string('subscribe_releases');
$subscribe_customer = W3_Request::get_string('subscribe_customer');
$params = array('request_type' => $request_type, 'payment' => $payment, 'url' => $url, 'name' => $name, 'email' => $email, 'twitter' => $twitter, 'phone' => $phone, 'subject' => $subject, 'description' => $description, 'forum_url' => $forum_url, 'wp_login' => $wp_login, 'wp_password' => $wp_password, 'ftp_host' => $ftp_host, 'ftp_login' => $ftp_login, 'ftp_password' => $ftp_password, 'subscribe_releases' => $subscribe_releases, 'subscribe_customer' => $subscribe_customer);
$post = $params;
foreach ($templates as $template_index => $template) {
$template_key = sprintf('templates[%d]', $template_index);
$params[$template_key] = $template;
}
if (!isset($this->_request_types[$request_type])) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_type')), false);
}
$required = array('bug_report' => 'url,name,email,subject,description', 'new_feature' => 'url,name,email,subject,description', 'email_support' => 'url,name,email,subject,description', 'phone_support' => 'url,name,email,subject,description,phone', 'plugin_config' => 'url,name,email,subject,description,wp_login,wp_password', 'theme_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password', 'linux_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password');
if (strstr($required[$request_type], 'url') !== false && $url == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_url')), false);
}
if (strstr($required[$request_type], 'name') !== false && $name == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_name')), false);
}
if (strstr($required[$request_type], 'email') !== false && !preg_match('~^[a-z0-9_\\-\\.]+@[a-z0-9-\\.]+\\.[a-z]{2,5}$~', $email)) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_email')), false);
}
if (strstr($required[$request_type], 'phone') !== false && !preg_match('~^[0-9\\-\\.\\ \\(\\)\\+]+$~', $phone)) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_phone')), false);
}
if (strstr($required[$request_type], 'subject') !== false && $subject == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_subject')), false);
}
if (strstr($required[$request_type], 'description') !== false && $description == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_description')), false);
}
if (strstr($required[$request_type], 'wp_login') !== false && $wp_login == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_login')), false);
}
if (strstr($required[$request_type], 'wp_password') !== false && $wp_password == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_password')), false);
}
if (strstr($required[$request_type], 'ftp_host') !== false && $ftp_host == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_host')), false);
}
if (strstr($required[$request_type], 'ftp_login') !== false && $ftp_login == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_login')), false);
}
if (strstr($required[$request_type], 'ftp_password') !== false && $ftp_password == '') {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_password')), false);
}
/**
* Add attachments
*/
$attachments = array();
$attach_files = array(w3_get_wp_config_path(), w3_cache_blog_dir('log') . '/minify.log', w3_get_pgcache_rules_core_path(), w3_get_pgcache_rules_cache_path(), w3_get_browsercache_rules_cache_path(), w3_get_browsercache_rules_no404wp_path(), w3_get_minify_rules_core_path(), w3_get_minify_rules_cache_path());
/**
* Attach config files
*/
if ($handle = opendir(W3TC_CONFIG_DIR)) {
while (($entry = @readdir($handle)) !== false) {
if ($entry == '.' || $entry == '..' || $entry == 'index.html') {
continue;
}
$attachments[] = W3TC_CONFIG_DIR . '/' . $entry;
}
closedir($handle);
}
foreach ($attach_files as $attach_file) {
if ($attach_file && file_exists($attach_file) && !in_array($attach_file, $attachments)) {
$attachments[] = $attach_file;
}
}
/**
* Attach server info
*/
$server_info = print_r($this->get_server_info(), true);
$server_info = str_replace("\n", "\r\n", $server_info);
$server_info_path = W3TC_CACHE_TMP_DIR . '/server_info.txt';
if (@file_put_contents($server_info_path, $server_info)) {
$attachments[] = $server_info_path;
}
/**
* Attach phpinfo
*/
ob_start();
phpinfo();
$php_info = ob_get_contents();
ob_end_clean();
$php_info_path = W3TC_CACHE_TMP_DIR . '/php_info.html';
if (@file_put_contents($php_info_path, $php_info)) {
$attachments[] = $php_info_path;
}
/**
* Attach self-test
*/
ob_start();
$this->action_self_test();
$self_test = ob_get_contents();
ob_end_clean();
$self_test_path = W3TC_CACHE_TMP_DIR . '/self_test.html';
if (@file_put_contents($self_test_path, $self_test)) {
$attachments[] = $self_test_path;
}
/**
* Attach templates
*/
foreach ($templates as $template) {
if (!empty($template)) {
$attachments[] = $template;
}
}
/**
* Attach other files
*/
if (!empty($_FILES['files'])) {
$files = (array) $_FILES['files'];
for ($i = 0, $l = count($files); $i < $l; $i++) {
if (isset($files['tmp_name'][$i]) && isset($files['name'][$i]) && isset($files['error'][$i]) && $files['error'][$i] == UPLOAD_ERR_OK) {
$path = W3TC_CACHE_TMP_DIR . '/' . $files['name'][$i];
if (@move_uploaded_file($files['tmp_name'][$i], $path)) {
$attachments[] = $path;
}
}
}
}
$data = array();
if (!empty($wp_login) && !empty($wp_password)) {
$data['WP Admin login'] = $wp_login;
$data['WP Admin password'] = $wp_password;
}
if (!empty($ftp_host) && !empty($ftp_login) && !empty($ftp_password)) {
$data['SSH / FTP host'] = $ftp_host;
$data['SSH / FTP login'] = $ftp_login;
$data['SSH / FTP password'] = $ftp_password;
}
/**
* Store request data for future access
*/
if (count($data)) {
$hash = md5(microtime());
$request_data = get_option('w3tc_request_data', array());
$request_data[$hash] = $data;
update_option('w3tc_request_data', $request_data);
$request_data_url = sprintf('%s/w3tc_request_data/%s', w3_get_home_url(), $hash);
} else {
$request_data_url = '';
}
$nonce = wp_create_nonce('w3tc_support_request');
if (is_network_admin()) {
update_site_option('w3tc_support_request', $nonce);
} else {
update_option('w3tc_support_request', $nonce);
}
$file_access = WP_PLUGIN_URL . '/' . dirname(W3TC_FILE) . '/pub/files.php';
if (w3_get_domain(w3_get_home_url()) != w3_get_domain(w3_get_site_url())) {
$file_access = str_replace(w3_get_domain(w3_get_home_url()), w3_get_domain(w3_get_site_url()), $file_access);
}
$post['file_access'] = $file_access;
$post['nonce'] = $nonce;
$post['request_data_url'] = $request_data_url;
$post['ip'] = $_SERVER['REMOTE_ADDR'];
$post['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
$post['version'] = W3TC_VERSION;
$post['plugin'] = 'W3 Total Cache';
$post['request_id'] = $request_id;
$license_level = 'community';
if (w3_is_pro($this->_config)) {
$license_level = 'pro';
} elseif (w3_is_enterprise($this->_config)) {
$license_level = 'enterprise';
}
$post['license_level'] = $license_level;
$unset = array('wp_login', 'wp_password', 'ftp_host', 'ftp_login', 'ftp_password');
foreach ($unset as $key) {
unset($post[$key]);
}
foreach ($attachments as $attachment) {
if (is_network_admin()) {
update_site_option('attachment_' . md5($attachment), $attachment);
} else {
update_option('attachment_' . md5($attachment), $attachment);
}
}
$post = array_merge($post, array('files' => $attachments));
if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
$data = sprintf("[%s] Post support request\n", date('r'));
foreach ($post as $key => $value) {
$data .= sprintf("%s => %s\n", $key, is_array($value) ? implode(',', $value) : $value);
}
$filename = w3_cache_blog_dir('log') . '/support.log';
if (!is_dir(dirname($filename))) {
w3_mkdir_from(dirname($filename), W3TC_CACHE_DIR);
}
@file_put_contents($filename, $data, FILE_APPEND);
}
$response = wp_remote_post(W3TC_SUPPORT_REQUEST_URL, array('body' => $post, 'timeout' => $this->_config->get_integer('timelimit.email_send')));
if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) {
$filename = w3_cache_blog_dir('log') . '/support.log';
$data = sprintf("[%s] Post response \n%s\n", date('r'), print_r($response, true));
@file_put_contents($filename, $data, FILE_APPEND);
}
if (!is_wp_error($response)) {
$result = $response['response']['code'] == 200 && $response['body'] == 'Ok';
} else {
$result = false;
}
/**
* Remove temporary files
*/
foreach ($attachments as $attachment) {
if (strstr($attachment, W3TC_CACHE_TMP_DIR) !== false) {
@unlink($attachment);
}
if (is_network_admin()) {
delete_site_option('attachment_' . md5($attachment));
} else {
delete_option('attachment_' . md5($attachment));
}
}
if (is_network_admin()) {
delete_site_option('w3tc_support_request');
} else {
delete_option('w3tc_support_request');
}
if ($result) {
w3_admin_redirect(array('tab' => 'general', 'w3tc_note' => 'support_request'), false);
} else {
w3_admin_redirect(array_merge($params, array('request_type' => $request_type, 'w3tc_error' => 'support_request')), false);
}
}
private function verify_rewrite_working()
{
$url = w3_filename_to_url(w3_cache_blog_dir('minify') . '/w3tc_rewrite_test');
if (!$this->test_rewrite($url)) {
$key = sprintf('w3tc_rewrite_test_result_%s', substr(md5($url), 0, 16));
$result = get_transient($key);
$home_url = w3_get_home_url();
$tech_message = (w3_is_nginx() ? 'nginx configuration file' : '.htaccess file') . ' contains rules to rewrite url ' . $url . '. If handled by ' . 'plugin, it returns "OK" message.<br/>';
$tech_message .= 'The plugin made a request to ' . $url . ' but received: <br />' . $result . '<br />';
$tech_message .= 'instead of "OK" response. <br />';
$error = '<strong>W3 Total Cache error:</strong>It appears Minify ' . '<acronym title="Uniform Resource Locator">URL</acronym> ' . 'rewriting is not working. ';
if (w3_is_nginx()) {
$error .= 'Please verify that all configuration files are ' . 'included in the configuration file ' . '(and that you have reloaded / restarted nginx).';
} else {
$error .= 'Please verify that the server configuration ' . 'allows .htaccess';
}
$error .= '<br />Unfortunately minification will ' . 'not function without custom rewrite rules. ' . 'Please ask your server administrator for assistance. ' . 'Also refer to <a href="' . admin_url('admin.php?page=w3tc_install') . '">the install page</a> for the rules for your server.';
throw new SelfTestFailedException($error, $tech_message);
}
}
function print_script()
{
?>
<script type="text/javascript">
var w3_use_network_link = <?php
echo w3_force_master() ? 'true' : 'false';
?>
;
function w3tc_start_minify_try_solve() {
var testUrl = '<?php
echo w3_filename_to_url(w3_cache_blog_dir('minify') . '/');
?>
';
w3tc_filename_auto_solve(testUrl);
}
</script>
<?php
}
/**
* Exports min files to CDN
*
* @return array
*/
function get_files_minify()
{
$files = array();
if (W3TC_PHP5 && $this->_config->get_boolean('minify.rewrite') && (!$this->_config->get_boolean('minify.auto') || w3_is_cdn_mirror($this->_config->get_string('cdn.engine')))) {
w3_require_once(W3TC_INC_DIR . '/functions/http.php');
$minify = w3_instance('W3_Plugin_Minify');
$document_root = w3_get_document_root();
$minify_root = w3_cache_blog_dir('minify');
$minify_path = ltrim(str_replace($document_root, '', $minify_root), '/');
$urls = $minify->get_urls();
if ($this->_config->get_string('minify.engine') == 'file') {
foreach ($urls as $url) {
w3_http_get($url);
}
$files = $this->search_files($minify_root, $minify_path, '*.css;*.js');
} else {
foreach ($urls as $url) {
$file = w3_normalize_file_minify($url);
$file = w3_translate_file($file);
if (!w3_is_url($file)) {
$file = $document_root . '/' . $file;
$file = ltrim(str_replace($minify_root, '', $file), '/');
$dir = dirname($file);
if ($dir) {
w3_mkdir($dir, 0777, $minify_root);
}
if (w3_download($url, $minify_root . '/' . $file) !== false) {
$files[] = $minify_path . '/' . $file;
}
}
}
}
}
return $files;
}
function print_script()
{
?>
<script type="text/javascript">
var w3_use_network_link = <?php
echo is_network_admin() || w3_is_multisite() && w3_force_master() ? 'true' : 'false';
?>
;
function w3tc_start_minify_try_solve() {
var testUrl = '<?php
echo w3_filename_to_url(w3_cache_blog_dir('minify') . '/', w3_get_domain(w3_get_home_url()) != w3_get_domain(w3_get_site_url()));
?>
';
w3tc_filename_auto_solve(testUrl);
}
</script>
<?php
}
/**
* Perform minify rules rewrite test
*
* @return bool
*/
function test_rewrite_minify()
{
$url = w3_filename_to_url(w3_cache_blog_dir('minify') . '/w3tc_rewrite_test');
return $this->test_rewrite($url);
}
