/**
* Fixes environment once event occurs
*
* @param W3_Config $config
* @param string $event
* @param W3_Config|null $old_config
* @throws SelfTestExceptions
**/
public function fix_on_event($config, $event, $old_config = null)
{
if ($config->get_boolean('cdn.enabled') && !w3_is_cdn_mirror($config->get_string('cdn.engine'))) {
if ($old_config != null && $config->get_integer('cdn.queue.interval') != $old_config->get_integer('cdn.queue.interval')) {
$this->unschedule_queue_process();
}
if (!wp_next_scheduled('w3_cdn_cron_queue_process')) {
wp_schedule_event(current_time('timestamp'), 'w3_cdn_cron_queue_process', 'w3_cdn_cron_queue_process');
}
} else {
$this->unschedule_queue_process();
}
if ($config->get_boolean('cdn.enabled') && $config->get_boolean('cdn.autoupload.enabled') && !w3_is_cdn_mirror($config->get_string('cdn.engine'))) {
if ($old_config != null && $config->get_integer('cdn.autoupload.interval') != $old_config->get_integer('cdn.autoupload.interval')) {
$this->unschedule_upload();
}
if (!wp_next_scheduled('w3_cdn_cron_upload')) {
wp_schedule_event(current_time('timestamp'), 'w3_cdn_cron_upload', 'w3_cdn_cron_upload');
}
} else {
$this->unschedule_upload();
}
$exs = new SelfTestExceptions();
if ($config->get_boolean('cdn.enabled')) {
try {
$this->table_create($event == 'activate');
} catch (Exception $ex) {
$exs->push($ex);
}
}
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* Fixes environment after plugin deactivation
* @throws SelfTestExceptions
* @return array
*/
public function fix_after_deactivation()
{
$exs = new SelfTestExceptions();
try {
$this->delete_addin();
} catch (FilesystemOperationException $ex) {
$exs->push($ex);
}
$this->unschedule();
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* Fixes environment after plugin deactivation
* @param W3_Config $config
* @throws SelfTestExceptions
*/
public function fix_after_deactivation($config)
{
$exs = new SelfTestExceptions();
// call plugin-related handlers
foreach ($this->get_handlers($config) as $h) {
try {
$h->fix_after_deactivation();
} catch (SelfTestExceptions $ex) {
$exs->push($ex);
}
}
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* 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));
}
}
}
}
/**
* Minifiers availability error handling
*
* @param W3_Config $config
* @param SelfTestExceptions $exs
*/
private function verify_engine_working($config, $exs)
{
$minifiers_errors = array();
if ($config->get_string('minify.js.engine') == 'yuijs') {
$path_java = $config->get_string('minify.yuijs.path.java');
$path_jar = $config->get_string('minify.yuijs.path.jar');
if (!file_exists($path_java)) {
$minifiers_errors[] = sprintf('YUI Compressor (JS): JAVA executable path was not found. The default minifier JSMin will be used instead.');
} elseif (!file_exists($path_jar)) {
$minifiers_errors[] = sprintf('YUI Compressor (JS): JAR file path was not found. The default minifier JSMin will be used instead.');
}
}
if ($config->get_string('minify.css.engine') == 'yuicss') {
$path_java = $config->get_string('minify.yuicss.path.java');
$path_jar = $config->get_string('minify.yuicss.path.jar');
if (!file_exists($path_java)) {
$minifiers_errors[] = sprintf('YUI Compressor (CSS): JAVA executable path was not found. The default CSS minifier will be used instead.');
} elseif (!file_exists($path_jar)) {
$minifiers_errors[] = sprintf('YUI Compressor (CSS): JAR file path was not found. The default CSS minifier will be used instead.');
}
}
if ($config->get_string('minify.js.engine') == 'ccjs') {
$path_java = $config->get_string('minify.ccjs.path.java');
$path_jar = $config->get_string('minify.ccjs.path.jar');
if (!file_exists($path_java)) {
$minifiers_errors[] = sprintf('Closure Compiler: JAVA executable path was not found. The default minifier JSMin will be used instead.');
} elseif (!file_exists($path_jar)) {
$minifiers_errors[] = sprintf('Closure Compiler: JAR file path was not found. The default minifier JSMin will be used instead.');
}
}
if (count($minifiers_errors)) {
$minify_error = 'The following minifiers cannot be found or are no longer working:</p><ul>';
foreach ($minifiers_errors as $minifiers_error) {
$minify_error .= '<li>' . $minifiers_error . '</li>';
}
$minify_error .= '</ul><p>This message will automatically disappear once the issue is resolved.';
$exs->push(new SelfTestFailedException($minify_error));
}
}
/**
* @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));
}
}
/**
* Check config cache is in sync with config
* @param W3_Config $config
* @param SelfTestExceptions $exs
**/
private function notify_config_cache_not_writeable($config, $exs)
{
try {
$config->validate_cache_actual();
} catch (Exception $ex) {
// we could just create cache folder, so try again
$config->load(true);
try {
$config->validate_cache_actual();
} catch (Exception $ex) {
$exs->push(new SelfTestFailedException('<strong>W3 Total Cache Error:</strong> ' . $ex->getMessage()));
}
}
}
