/**
* Runs plugin
*
* @return void
*/
function run()
{
add_action('init', array(&$this, 'init'));
add_action('admin_bar_menu', array(&$this, 'admin_bar_menu'), 150);
if (isset($_REQUEST['w3tc_theme']) && isset($_SERVER['HTTP_USER_AGENT']) && $_SERVER['HTTP_USER_AGENT'] == W3TC_POWERED_BY) {
add_filter('template', array(&$this, 'template_preview'));
add_filter('stylesheet', array(&$this, 'stylesheet_preview'));
} elseif ($this->_config->get_boolean('mobile.enabled') || $this->_config->get_boolean('referrer.enabled')) {
add_filter('template', array(&$this, 'template'));
add_filter('stylesheet', array(&$this, 'stylesheet'));
}
/**
* Create cookies to flag if a pgcache role was loggedin
*/
if (!$this->_config->get_boolean('pgcache.reject.logged') && $this->_config->get_array('pgcache.reject.logged_roles')) {
add_action('set_logged_in_cookie', array(&$this, 'check_login_action'), 0, 5);
add_action('clear_auth_cookie', array(&$this, 'check_login_action'), 0, 5);
}
/**
* CloudFlare support
*/
if ($this->_config->get_boolean('cloudflare.enabled')) {
w3_require_once(W3TC_LIB_W3_DIR . '/CloudFlare.php');
@($w3_cloudflare = new W3_CloudFlare());
$w3_cloudflare->fix_remote_addr();
}
if ($this->_config->get_string('common.support') == 'footer') {
add_action('wp_footer', array(&$this, 'footer'));
}
if ($this->can_ob()) {
ob_start(array(&$this, 'ob_callback'));
}
}
/**
* Send CloudFlare API request
*
* @return void
*/
function action_cloudflare_api_request()
{
$result = false;
$response = null;
$actions = array('devmode', 'sec_lvl', 'fpurge_ts');
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$email = W3_Request::get_string('email');
$key = W3_Request::get_string('key');
$zone = W3_Request::get_string('zone');
$action = W3_Request::get_string('command');
$value = W3_Request::get_string('value');
$nonce = W3_Request::get_string('_wpnonce');
if (!wp_verify_nonce($nonce, 'w3tc')) {
$error = 'Access denied.';
} elseif (!$email) {
$error = 'Empty email.';
} elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$error = 'Invalid email.';
} elseif (!$key) {
$error = 'Empty key.';
} elseif (!$zone) {
$error = 'Empty zone.';
} elseif (strpos($zone, '.') === false) {
$error = 'Invalid domain.';
} elseif (!in_array($action, $actions)) {
$error = 'Invalid action.';
} else {
$config = array('email' => $email, 'key' => $key, 'zone' => $zone);
w3_require_once(W3TC_LIB_W3_DIR . '/CloudFlare.php');
@($w3_cloudflare = new W3_CloudFlare($config));
@set_time_limit($this->_config->get_integer('timelimit.cloudflare_api_request'));
$response = $w3_cloudflare->api_request($action, $value);
if ($response) {
if ($response->result == 'success') {
$result = true;
$error = 'OK';
} else {
$error = $response->msg;
}
} else {
$error = 'Unable to make CloudFlare API request.';
}
}
$return = array('result' => $result, 'error' => $error, 'response' => $response);
echo json_encode($return);
exit;
}
/**
* Purge the CloudFlare cache
* @return void
*/
function flush_cloudflare()
{
$response = null;
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
$email = $this->_config->get_string('email');
$key = $this->_config->get_string('key');
$zone = $this->_config->get_string('zone');
if ($email && $key && $zone) {
$config = array('email' => $email, 'key' => $key, 'zone' => $zone);
w3_require_once(W3TC_LIB_W3_DIR . '/CloudFlare.php');
@($w3_cloudflare = new W3_CloudFlare($config));
$w3_cloudflare->purge();
}
}
/**
* Now actually allow CF to see when a comment is approved/not-approved.
*
* @param int $id
* @param string $status
* @return void
*/
function cloudflare_set_comment_status($id, $status)
{
if ($status == 'spam') {
$email = $this->_config->get_string('cloudflare.email');
$key = $this->_config->get_string('cloudflare.key');
if ($email && $key) {
w3_require_once(W3TC_LIB_W3_DIR . '/CloudFlare.php');
@($w3_cloudflare = new W3_CloudFlare(array('email' => $email, 'key' => $key)));
$comment = get_comment($id);
$value = array('a' => $comment->comment_author, 'am' => $comment->comment_author_email, 'ip' => $comment->comment_author_IP, 'con' => substr($comment->comment_content, 0, 100));
$w3_cloudflare->external_event('WP_SPAM', json_encode($value));
}
}
}
/**
* Options save action
*
* @return void
*/
function action_save_options()
{
/**
* Redirect params
*/
$params = array();
/**
* Store error message regarding permalink not enabled
*/
$redirect_permalink_error = '';
/**
* Read config
* We should use new instance of WP_Config object here
*/
$config = new W3_Config();
if (!$this->_config->own_config_exists()) {
$config->import_legacy_config();
}
$this->read_request($config);
$config_admin = new W3_ConfigAdmin();
$this->read_request($config_admin);
if ($this->_page == 'w3tc_dashboard') {
if (W3_Request::get_boolean('maxcdn')) {
$config->set('cdn.enabled', true);
$config->set('cdn.engine', 'maxcdn');
}
}
/**
* General tab
*/
if ($this->_page == 'w3tc_general') {
$file_nfs = W3_Request::get_boolean('file_nfs');
$file_locking = W3_Request::get_boolean('file_locking');
$config->set('pgcache.file.nfs', $file_nfs);
$config->set('minify.file.nfs', $file_nfs);
$config->set('dbcache.file.locking', $file_locking);
$config->set('objectcache.file.locking', $file_locking);
$config->set('pgcache.file.locking', $file_locking);
$config->set('minify.file.locking', $file_locking);
if (is_network_admin()) {
if ($this->_config->get_boolean('common.force_master') !== $config->get_boolean('common.force_master') || !w3_force_master() && $this->_config->get_boolean('common.force_master') && $config->get_boolean('common.force_master') || w3_force_master() && !$this->_config->get_boolean('common.force_master') && !$config->get_boolean('common.force_master')) {
@unlink(W3TC_CACHE_BLOGMAP_FILENAME);
$blogmap_dir = dirname(W3TC_CACHE_BLOGMAP_FILENAME) . '/' . basename(W3TC_CACHE_BLOGMAP_FILENAME, '.php') . '/';
if (@is_dir($blogmap_dir)) {
w3_rmdir($blogmap_dir);
}
}
if ($config->get_boolean('common.force_master')) {
$config_admin->set('common.visible_by_master_only', true);
}
}
/**
* Check permalinks for page cache
*/
if ($config->get_boolean('pgcache.enabled') && $config->get_string('pgcache.engine') == 'file_generic' && !get_option('permalink_structure')) {
$config->set('pgcache.enabled', false);
$redirect_permalink_error = 'fancy_permalinks_disabled_pgcache';
}
$w3_cloudflare = w3_instance('W3_CloudFlare');
$w3_cloudflare->reset_settings_cache();
if ($config->get_boolean('cloudflare.enabled') && $w3_cloudflare->minify_enabled() && $config->get_boolean('minify.enabled')) {
$config->set('minify.enabled', false);
}
/**
* Get New Relic application id
*/
if ($config->get_boolean('newrelic.enabled')) {
$method = W3_Request::get_string('application_id_method');
$newrelic_prefix = '';
if (w3_is_network() && w3_get_blog_id() != 0) {
$newrelic_prefix = $this->_config->get_string('newrelic.appname_prefix');
}
if (($newrelic_api_key = $config->get_string('newrelic.api_key')) && !$config->get_string('newrelic.account_id')) {
$nerser = w3_instance('W3_NewRelicService');
$account_id = $nerser->get_account_id($newrelic_api_key);
$config->set('newrelic.account_id', $account_id);
}
if ($method == 'dropdown' && $config->get_string('newrelic.application_id')) {
$application_id = $config->get_string('newrelic.application_id');
if ($config->get_string('newrelic.api_key') && $config->get_string('newrelic.account_id')) {
w3_require_once(W3TC_LIB_W3_DIR . '/NewRelicService.php');
$nerser = new W3_NewRelicService($config->get_string('newrelic.api_key'), $config->get_string('newrelic.account_id'));
$appname = $nerser->get_application_name($application_id);
$config->set('newrelic.appname', $appname);
}
} else {
if ($method == 'manual' && $config->get_string('newrelic.appname')) {
if ($newrelic_prefix != '' && strpos($config->get_string('newrelic.appname'), $newrelic_prefix) === false) {
$application_name = $newrelic_prefix . $config->get_string('newrelic.appname');
$config->set('newrelic.appname', $application_name);
} else {
$application_name = $config->get_string('newrelic.appname');
}
if ($config->get_string('newrelic.api_key') && $config->get_string('newrelic.account_id')) {
w3_require_once(W3TC_LIB_W3_DIR . '/NewRelicService.php');
$nerser = new W3_NewRelicService($config->get_string('newrelic.api_key'), $config->get_string('newrelic.account_id'));
$application_id = $nerser->get_application_id($application_name);
if ($application_id) {
$config->set('newrelic.application_id', $application_id);
}
}
}
}
}
if ($config->get_boolean('minify.enabled') && !$this->_config->get_boolean('minify.enabled') || $config->get_boolean('minify.enabled') && $config->get_boolean('browsercache.enabled') && !$this->_config->get_boolean('browsercache.enabled') || $config->get_boolean('minify.enabled') && $config->get_boolean('minify.auto') && !$this->_config->get_boolean('minify.auto') || $config->get_boolean('minify.enabled') && $config->get_string('minify.engine') != $this->_config->get_string('minify.engine')) {
delete_transient('w3tc_minify_tested_filename_length');
}
}
/**
* Minify tab
*/
if ($this->_page == 'w3tc_minify' && !$this->_config->get_boolean('minify.auto')) {
$js_groups = array();
$css_groups = array();
$js_files = W3_Request::get_array('js_files');
$css_files = W3_Request::get_array('css_files');
foreach ($js_files as $theme => $templates) {
foreach ($templates as $template => $locations) {
foreach ((array) $locations as $location => $types) {
foreach ((array) $types as $type => $files) {
foreach ((array) $files as $file) {
if (!empty($file)) {
$js_groups[$theme][$template][$location]['files'][] = w3_normalize_file_minify($file);
}
}
}
}
}
}
foreach ($css_files as $theme => $templates) {
foreach ($templates as $template => $locations) {
foreach ((array) $locations as $location => $files) {
foreach ((array) $files as $file) {
if (!empty($file)) {
$css_groups[$theme][$template][$location]['files'][] = w3_normalize_file_minify($file);
}
}
}
}
}
$config->set('minify.js.groups', $js_groups);
$config->set('minify.css.groups', $css_groups);
$js_theme = W3_Request::get_string('js_theme');
$css_theme = W3_Request::get_string('css_theme');
$params = array_merge($params, array('js_theme' => $js_theme, 'css_theme' => $css_theme));
}
if ($this->_page == 'w3tc_minify') {
if ($config->get_integer('minify.auto.filename_length') > 246) {
$config->set('minify.auto.filename_length', 246);
}
delete_transient('w3tc_minify_tested_filename_length');
}
/**
* Browser Cache tab
*/
if ($this->_page == 'w3tc_browsercache') {
if ($config->get_boolean('browsercache.enabled') && $config->get_boolean('browsercache.no404wp') && !get_option('permalink_structure')) {
$config->set('browsercache.no404wp', false);
$redirect_permalink_error = 'fancy_permalinks_disabled_browsercache';
}
$config->set('browsercache.timestamp', time());
}
/**
* Mobile tab
*/
if ($this->_page == 'w3tc_mobile') {
$groups = W3_Request::get_array('mobile_groups');
$mobile_groups = array();
$cached_mobile_groups = array();
foreach ($groups as $group => $group_config) {
$group = strtolower($group);
$group = preg_replace('~[^0-9a-z_]+~', '_', $group);
$group = trim($group, '_');
if ($group) {
$theme = isset($group_config['theme']) ? trim($group_config['theme']) : 'default';
$enabled = isset($group_config['enabled']) ? (bool) $group_config['enabled'] : true;
$redirect = isset($group_config['redirect']) ? trim($group_config['redirect']) : '';
$agents = isset($group_config['agents']) ? explode("\r\n", trim($group_config['agents'])) : array();
$mobile_groups[$group] = array('theme' => $theme, 'enabled' => $enabled, 'redirect' => $redirect, 'agents' => $agents);
$cached_mobile_groups[$group] = $agents;
}
}
/**
* Allow plugins modify WPSC mobile groups
*/
$cached_mobile_groups = apply_filters('cached_mobile_groups', $cached_mobile_groups);
/**
* Merge existent and delete removed groups
*/
foreach ($mobile_groups as $group => $group_config) {
if (isset($cached_mobile_groups[$group])) {
$mobile_groups[$group]['agents'] = (array) $cached_mobile_groups[$group];
} else {
unset($mobile_groups[$group]);
}
}
/**
* Add new groups
*/
foreach ($cached_mobile_groups as $group => $agents) {
if (!isset($mobile_groups[$group])) {
$mobile_groups[$group] = array('theme' => '', 'enabled' => true, 'redirect' => '', 'agents' => $agents);
}
}
/**
* Allow plugins modify W3TC mobile groups
*/
$mobile_groups = apply_filters('w3tc_mobile_groups', $mobile_groups);
/**
* Sanitize mobile groups
*/
foreach ($mobile_groups as $group => $group_config) {
$mobile_groups[$group] = array_merge(array('theme' => '', 'enabled' => true, 'redirect' => '', 'agents' => array()), $group_config);
$mobile_groups[$group]['agents'] = array_unique($mobile_groups[$group]['agents']);
$mobile_groups[$group]['agents'] = array_map('strtolower', $mobile_groups[$group]['agents']);
sort($mobile_groups[$group]['agents']);
}
$enable_mobile = false;
foreach ($mobile_groups as $group => $group_config) {
if ($group_config['enabled']) {
$enable_mobile = true;
break;
}
}
$config->set('mobile.enabled', $enable_mobile);
$config->set('mobile.rgroups', $mobile_groups);
}
/**
* Referrer tab
*/
if ($this->_page == 'w3tc_referrer') {
$groups = W3_Request::get_array('referrer_groups');
$referrer_groups = array();
foreach ($groups as $group => $group_config) {
$group = strtolower($group);
$group = preg_replace('~[^0-9a-z_]+~', '_', $group);
$group = trim($group, '_');
if ($group) {
$theme = isset($group_config['theme']) ? trim($group_config['theme']) : 'default';
$enabled = isset($group_config['enabled']) ? (bool) $group_config['enabled'] : true;
$redirect = isset($group_config['redirect']) ? trim($group_config['redirect']) : '';
$referrers = isset($group_config['referrers']) ? explode("\r\n", trim($group_config['referrers'])) : array();
$referrer_groups[$group] = array('theme' => $theme, 'enabled' => $enabled, 'redirect' => $redirect, 'referrers' => $referrers);
}
}
/**
* Allow plugins modify W3TC referrer groups
*/
$referrer_groups = apply_filters('w3tc_referrer_groups', $referrer_groups);
/**
* Sanitize mobile groups
*/
foreach ($referrer_groups as $group => $group_config) {
$referrer_groups[$group] = array_merge(array('theme' => '', 'enabled' => true, 'redirect' => '', 'referrers' => array()), $group_config);
$referrer_groups[$group]['referrers'] = array_unique($referrer_groups[$group]['referrers']);
$referrer_groups[$group]['referrers'] = array_map('strtolower', $referrer_groups[$group]['referrers']);
sort($referrer_groups[$group]['referrers']);
}
$enable_referrer = false;
foreach ($referrer_groups as $group => $group_config) {
if ($group_config['enabled']) {
$enable_referrer = true;
break;
}
}
$config->set('referrer.enabled', $enable_referrer);
$config->set('referrer.rgroups', $referrer_groups);
}
/**
* CDN tab
*/
if ($this->_page == 'w3tc_cdn') {
$cdn_cnames = W3_Request::get_array('cdn_cnames');
$cdn_domains = array();
foreach ($cdn_cnames as $cdn_cname) {
$cdn_cname = trim($cdn_cname);
/**
* Auto expand wildcard domain to 10 subdomains
*/
$matches = null;
if (preg_match('~^\\*\\.(.*)$~', $cdn_cname, $matches)) {
$cdn_domains = array();
for ($i = 1; $i <= 10; $i++) {
$cdn_domains[] = sprintf('cdn%d.%s', $i, $matches[1]);
}
break;
}
if ($cdn_cname) {
$cdn_domains[] = $cdn_cname;
}
}
switch ($this->_config->get_string('cdn.engine')) {
case 'ftp':
$config->set('cdn.ftp.domain', $cdn_domains);
break;
case 's3':
$config->set('cdn.s3.cname', $cdn_domains);
break;
case 'cf':
$config->set('cdn.cf.cname', $cdn_domains);
break;
case 'cf2':
$config->set('cdn.cf2.cname', $cdn_domains);
break;
case 'rscf':
$config->set('cdn.rscf.cname', $cdn_domains);
break;
case 'azure':
$config->set('cdn.azure.cname', $cdn_domains);
break;
case 'mirror':
$config->set('cdn.mirror.domain', $cdn_domains);
break;
case 'maxcdn':
$config->set('cdn.maxcdn.domain', $cdn_domains);
break;
case 'netdna':
$config->set('cdn.netdna.domain', $cdn_domains);
break;
case 'cotendo':
$config->set('cdn.cotendo.domain', $cdn_domains);
break;
case 'edgecast':
$config->set('cdn.edgecast.domain', $cdn_domains);
break;
case 'att':
$config->set('cdn.att.domain', $cdn_domains);
break;
case 'akamai':
$config->set('cdn.akamai.domain', $cdn_domains);
break;
}
}
if ($this->_page == 'w3tc_extensions') {
$extension = W3_Request::get_string('extension');
$extensions = w3_get_extensions($this->_config);
if (array_key_exists($extension, $extensions)) {
$extension_values = W3_Request::get_as_array('extensions.settings.');
$old_extensions = $this->_config->get_array('extensions.settings');
$extension_keys = array();
$extension_settings = array();
$tmp_grp = str_replace('.', '_', $extension) . '_';
foreach ($extension_values as $key => $value) {
if (strpos($key, $tmp_grp) !== false) {
$extension_settings[str_replace($tmp_grp, '', $key)] = $value;
}
}
$old_extension_settings = isset($old_extensions[$extension]) ? $old_extensions[$extension] : array();
$extension_keys[$extension] = apply_filters("w3tc_save_extension_settings-{$extension}", $extension_settings, $old_extension_settings);
$config->set("extensions.settings", array_merge($old_extensions, $extension_keys));
}
}
$config = apply_filters('w3tc_save_options', $config, $this->_config, $config_admin);
$config = apply_filters("w3tc_save_options-{$this->_page}", $config, $this->_config, $config_admin);
do_action('w3tc_saving_options', $config, $this->_config, $config_admin);
do_action("w3tc_saving_options-{$this->_page}", $config, $this->_config, $config_admin);
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin.php');
w3_config_save($this->_config, $config, $config_admin);
switch ($this->_page) {
case 'w3tc_cdn':
/**
* Handle Set Cookie Domain
*/
$set_cookie_domain_old = W3_Request::get_boolean('set_cookie_domain_old');
$set_cookie_domain_new = W3_Request::get_boolean('set_cookie_domain_new');
if ($set_cookie_domain_old != $set_cookie_domain_new) {
if ($set_cookie_domain_new) {
if (!$this->enable_cookie_domain()) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'enable_cookie_domain')));
}
} else {
if (!$this->disable_cookie_domain()) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'disable_cookie_domain')));
}
}
}
break;
case 'w3tc_general':
/**
* Handle CloudFlare changes
*/
if ($this->_config->get_boolean('cloudflare.enabled') && (w3_get_blog_id() == 0 || w3_get_blog_id() != 0 && !$this->is_sealed('cloudflare'))) {
/**
* @var $w3_cloudflare W3_CloudFlare
*/
$w3_cloudflare = w3_instance('W3_CloudFlare');
W3_CloudFlare::clear_last_error('');
$cf_values = W3_Request::get_as_array('cloudflare_');
if (!$w3_cloudflare->save_settings($cf_values)) {
w3_admin_redirect(array_merge($params, array('w3tc_error' => 'cloudflare_api_request')));
}
}
break;
}
$notes[] = 'config_save';
if ($redirect_permalink_error) {
w3_admin_redirect(array('w3tc_error' => $redirect_permalink_error, 'w3tc_note' => 'config_save'));
}
w3_admin_redirect_with_custom_messages($params, null, $notes, true);
}
