/**
* @throws FilesystemWriteException
* @throws FilesystemWriteException
*/
public function create()
{
$path = trim(w3_get_wp_sitepath(), "/");
if ($path) {
$path .= '/';
}
$file_data = "\n<?php\n if (W3TC_WP_LOADING)\n require_once '" . w3_get_document_root() . '/' . $path . "wp-load.php';\n";
$filename = W3TC_WP_LOADER;
$data = $file_data;
w3_require_once(W3TC_INC_DIR . '/functions/rule.php');
$current_data = @file_get_contents($filename);
if (strstr(w3_clean_rules($current_data), w3_clean_rules($data)) !== false) {
return;
}
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_wp_write_to_file($filename, $data, '', $_SERVER['REQUEST_URI']);
}
public function action_edge_mode_disable()
{
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/activation.php');
$config_path = w3_get_wp_config_path();
$config_data = @file_get_contents($config_path);
if ($config_data === false) {
return;
}
$new_config_data = $this->wp_config_evaluation_mode_remove_from_content($config_data);
if ($new_config_data != $config_data) {
try {
w3_wp_write_to_file($config_path, $new_config_data);
} catch (FilesystemOperationException $ex) {
throw new FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), 'Edit file <strong>' . $config_path . '</strong> and remove next lines:', $config_path, $this->wp_config_evaluation_mode());
}
}
w3_admin_redirect(array('w3tc_note' => 'disabled_edge'));
}
/**
* Writes directives to WP .htaccess
*
* @param W3_Config $config
* @param SelfTestExceptions $exs
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
private function rules_core_add($config, $exs)
{
$path = w3_get_pgcache_rules_core_path();
if ($path === false) {
return;
}
$original_data = @file_get_contents($path);
if ($original_data === false) {
$original_data = '';
}
$data = $original_data;
$new_data = w3_erase_rules($data, W3TC_MARKER_BEGIN_PGCACHE_LEGACY, W3TC_MARKER_END_PGCACHE_LEGACY);
$has_legacy = strlen($new_data) < strlen($data);
$data = $new_data;
$new_data = w3_erase_rules($data, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC);
$has_wpsc = strlen($new_data) < strlen($data);
$data = $new_data;
$rules = $this->rules_core_generate($config);
$rules_missing = strstr(w3_clean_rules($data), w3_clean_rules($rules)) === false;
if (!$has_legacy && !$has_wpsc && !$rules_missing) {
return;
}
// modification of file not required
$replace_start = strpos($data, W3TC_MARKER_BEGIN_PGCACHE_CORE);
$replace_end = strpos($data, W3TC_MARKER_END_PGCACHE_CORE);
if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) {
$replace_length = $replace_end - $replace_start + strlen(W3TC_MARKER_END_PGCACHE_CORE) + 1;
} else {
$replace_start = false;
$replace_length = 0;
$search = array(W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0, W3TC_MARKER_BEGIN_WORDPRESS => 0, W3TC_MARKER_END_MINIFY_CORE => strlen(W3TC_MARKER_END_MINIFY_CORE) + 1, W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen(W3TC_MARKER_END_BROWSERCACHE_CACHE) + 1, W3TC_MARKER_END_PGCACHE_CACHE => strlen(W3TC_MARKER_END_PGCACHE_CACHE) + 1, W3TC_MARKER_END_MINIFY_CACHE => strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1);
foreach ($search as $string => $length) {
$replace_start = strpos($data, $string);
if ($replace_start !== false) {
$replace_start += $length;
break;
}
}
}
if ($replace_start !== false) {
$data = w3_trim_rules(substr_replace($data, $rules, $replace_start, $replace_length));
} else {
$data = w3_trim_rules($data . $rules);
}
try {
w3_wp_write_to_file($path, $data);
} catch (FilesystemOperationException $ex) {
if ($has_legacy) {
$exs->push(new FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and remove all lines between and including <strong>
%s</strong> and <strong>%s</strong> markers.', 'w3-total-cache'), $path, W3TC_MARKER_BEGIN_PGCACHE_LEGACY, W3TC_MARKER_END_PGCACHE_LEGACY), $path));
}
if ($has_wpsc) {
$exs->push(new FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and remove all lines between and including
<strong>%s</strong> and <strong>%s</strong> markers.', 'w3-total-cache'), $path, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC), $path));
}
if ($rules_missing) {
if ($replace_start !== false) {
$exs->push(new FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and replace all lines between and including
<strong>%s</strong> and <strong>%s</strong> markers with:', 'w3-total-cache'), $path, W3TC_MARKER_BEGIN_PGCACHE_CORE, W3TC_MARKER_END_PGCACHE_CORE), $path, $rules));
} else {
$exs->push(new FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and add the following rules above the WordPress
directives:'), $path), $path, $rules));
}
}
}
}
/**
* Removes no404wp rules
*
* @throws FilesystemCredentialException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
function remove_rules_no404wp()
{
$path = w3_get_browsercache_rules_no404wp_path();
if (file_exists($path)) {
if (($data = @file_get_contents($path)) !== false) {
$data = $this->erase_rules_no404wp($data);
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_wp_write_to_file($path, $data);
}
}
}
/**
* @param SelfTestExceptions $exs
* @param string $path
* @param string $start
* @param string $end
*/
function w3_remove_rules($exs, $path, $start, $end)
{
if (!file_exists($path)) {
return;
}
$data = @file_get_contents($path);
if ($data === false) {
return;
}
if (strstr($data, $start) === false) {
return;
}
$data = w3_erase_rules($data, $start, $end);
try {
w3_wp_write_to_file($path, $data);
} catch (FilesystemOperationException $ex) {
$exs->push(new FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and remove all lines between and including <strong>%s</strong>
and <strong>%s</strong> markers.', 'w3-total-cache'), $path, $start, $end), $path));
}
}
/**
* @throws TryException
* @throws W3TCErrorException
* @return bool
*/
public function try_create_wp_loader()
{
$file_data = $this->w3tc_loader_file_data();
$filename = $file_data['filename'];
$data = $file_data['data'];
w3_require_once(W3TC_INC_DIR . '/functions/rule.php');
if (($current_data = @file_get_contents($filename)) && strstr(w3_clean_rules($current_data), w3_clean_rules($data)) !== false) {
return true;
}
$url = w3_is_network() ? network_admin_url('admin.php?page=w3tc_general') : admin_url('admin.php?page=w3tc_general');
try {
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
$result = w3_wp_write_to_file($filename, $data, $url);
} catch (Exception $ex) {
if ($ex instanceof FilesystemCredentialException) {
throw new TryException('Could not create file', array($filename), $ex->ftp_form());
} else {
throw new W3TCErrorException(sprintf('<strong>W3 Total Cache Error:</strong>Could not create file <strong>%s</strong>
with content: <pre>%s</pre><br />You need to do this manually.', $filename, esc_textarea($data)));
}
}
return true;
}
/**
* Writes rules to file cache .htaccess
*
* @return boolean
*/
function write_rules_core()
{
$path = w3_get_new_relic_rules_core_path();
if (file_exists($path)) {
$data = @file_get_contents($path);
} else {
$data = '';
}
$replace_start = strpos($data, W3TC_MARKER_BEGIN_NEW_RELIC_CORE);
$replace_end = strpos($data, W3TC_MARKER_END_NEW_RELIC_CORE);
if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) {
$replace_length = $replace_end - $replace_start + strlen(W3TC_MARKER_END_MINIFY_CORE) + 1;
} else {
$replace_start = false;
$replace_length = 0;
$search = array(W3TC_MARKER_BEGIN_PGCACHE_CORE => 0, W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0, W3TC_MARKER_BEGIN_WORDPRESS => 0, W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen(W3TC_MARKER_END_BROWSERCACHE_CACHE) + 1, W3TC_MARKER_END_PGCACHE_CACHE => strlen(W3TC_MARKER_END_PGCACHE_CACHE) + 1, W3TC_MARKER_END_MINIFY_CACHE => strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1);
foreach ($search as $string => $length) {
$replace_start = strpos($data, $string);
if ($replace_start !== false) {
$replace_start += $length;
break;
}
}
}
$rules = $this->generate_rules_core();
if (!$rules) {
return;
}
if ($replace_start !== false) {
$data = w3_trim_rules(substr_replace($data, $rules, $replace_start, $replace_length));
} else {
$data = w3_trim_rules($data . $rules);
}
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
w3_wp_write_to_file($path, $data);
}
/**
* Creates maintenance mode file
* @param $time
*/
function w3_enable_maintenance_mode($time = null)
{
if (is_null($time)) {
$time = 'time()';
}
w3_wp_write_to_file(w3_get_site_root() . '/.maintenance', "<?php \$upgrading = {$time}; ?>");
}
