/**
* W3 writable error
*
* @param string $path
* @return string
*/
function w3_writable_error($path)
{
$reactivate_url = wp_nonce_url('plugins.php?action=activate&plugin=' . W3TC_FILE, 'activate-plugin_' . W3TC_FILE);
$reactivate_button = sprintf('<input type="button" value="re-activate plugin" onclick="top.location.href = \'%s\'" />', addslashes($reactivate_url));
try {
w3_throw_on_write_error($path);
} catch (Exception $e) {
w3_activation_error_on_exception($e);
}
}
/**
* Save dbcluster config action
*
* @return void
*/
function action_config_dbcluster_config_save()
{
$params = array('page' => 'w3tc_general');
if (!file_put_contents(W3TC_FILE_DB_CLUSTER_CONFIG, stripslashes($_REQUEST['newcontent']))) {
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
try {
w3_throw_on_write_error(W3TC_FILE_DB_CLUSTER_CONFIG);
} catch (Exception $e) {
$error = $e->getMessage();
w3_admin_redirect_with_custom_messages($params, array($error));
}
}
w3_admin_redirect_with_custom_messages($params, null, array(__('Database Cluster configuration file has been successfully saved', 'w3-total-cache')));
}
/**
* Writes rules to file cache .htaccess
* Throw exceptions
*
*/
function write_rules_cache()
{
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
$path = w3_get_minify_rules_cache_path();
if (!file_exists(dirname($path))) {
w3_mkdir_from(dirname($path), W3TC_CACHE_DIR);
}
if (file_exists($path)) {
$data = @file_get_contents($path);
if ($data !== false) {
$data = $this->erase_rules_legacy($data);
} else {
w3_throw_on_read_error($path);
}
} else {
$data = '';
}
$replace_start = strpos($data, W3TC_MARKER_BEGIN_MINIFY_CACHE);
$replace_end = strpos($data, W3TC_MARKER_END_MINIFY_CACHE);
if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) {
$replace_length = $replace_end - $replace_start + strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1;
} else {
$replace_start = false;
$replace_length = 0;
$search = array(W3TC_MARKER_BEGIN_PGCACHE_CACHE => 0, W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0, W3TC_MARKER_BEGIN_MINIFY_CORE => 0, W3TC_MARKER_BEGIN_PGCACHE_CORE => 0, W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0, W3TC_MARKER_BEGIN_WORDPRESS => 0);
foreach ($search as $string => $length) {
$replace_start = strpos($data, $string);
if ($replace_start !== false) {
$replace_start += $length;
break;
}
}
}
$rules = $this->generate_rules_cache();
if ($replace_start !== false) {
$data = w3_trim_rules(substr_replace($data, $rules, $replace_start, $replace_length));
} else {
$data = w3_trim_rules($data . $rules);
}
if (!@file_put_contents($path, $data)) {
w3_throw_on_write_error($path);
}
}
/**
* Saves modified config
*/
function save()
{
$filename = $this->_get_config_filename();
if (!is_dir(dirname($filename))) {
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
w3_mkdir_from(dirname($filename), WP_CONTENT_DIR);
}
if (!is_dir(dirname(W3TC_CACHE_TMP_DIR))) {
w3_require_once(W3TC_INC_DIR . '/functions/file.php');
w3_mkdir_from(dirname(W3TC_CACHE_TMP_DIR), WP_CONTENT_DIR);
}
if (!$this->_data_object->write($filename)) {
if (is_dir(W3TC_CONFIG_DIR)) {
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_throw_on_write_error($filename, array(dirname($filename), W3TC_CACHE_TMP_DIR));
}
}
}
/**
* Deploys the config file from a preview config file
*
* @param integer $direction +1: preview->production
* -1: production->preview
* @param boolean $remove_source remove source file
*/
function preview_production_copy($direction, $remove_source)
{
$preview_filename = $this->_get_config_filename(false, true);
$production_filename = $this->_get_config_filename(false, false);
if ($direction > 0) {
$src = $preview_filename;
$dest = $production_filename;
} else {
$src = $production_filename;
$dest = $preview_filename;
}
if (!@copy($src, $dest)) {
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_throw_on_write_error($dest);
}
if ($remove_source) {
@unlink($src);
}
}
