/**
* Fixes environment once event occurs
*
* @param Config $config
* @param string $event
* @param Config|null $old_config
* @throws Util_Environment_Exceptions
*/
public function fix_on_event($config, $event, $old_config = null)
{
if ($config->get_boolean('cdn.enabled') && !Cdn_Util::is_engine_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(time(), 'w3_cdn_cron_queue_process', 'w3_cdn_cron_queue_process');
}
} else {
$this->unschedule_queue_process();
}
if ($config->get_boolean('cdn.enabled') && $config->get_boolean('cdn.autoupload.enabled') && !Cdn_Util::is_engine_mirror($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(time(), 'w3_cdn_cron_upload', 'w3_cdn_cron_upload');
}
} else {
$this->unschedule_upload();
}
$exs = new Util_Environment_Exceptions();
if ($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 Util_Environment_Exceptions
* @return array
*/
public function fix_after_deactivation()
{
$exs = new Util_Environment_Exceptions();
try {
$this->delete_addin();
} catch (Util_WpFile_FilesystemOperationException $ex) {
$exs->push($ex);
}
$this->unschedule();
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
/**
* Used to display Util_Environment_Exceptions in UI
*
* @param Util_Environment_Exceptions $exs
* @return array(before_errors = [], required_changes =>, later_errors => [])
*/
public static function parse_environment_exceptions($exs)
{
$exceptions = $exs->exceptions();
$commands = '';
$required_changes = '';
$before_errors = array();
$later_errors = array();
$operation_error_already_shown = false;
foreach ($exceptions as $ex) {
if ($ex instanceof Util_WpFile_FilesystemOperationException) {
if (!$operation_error_already_shown) {
$m = $ex->getMessage();
if (strlen($m) > 0) {
$before_errors[] = $m;
// if multiple operations failed when
// they tried to fix environment - show only first
// otherwise can duplication information about
// absense of permissions
$operation_error_already_shown = true;
}
if ($ex instanceof Util_WpFile_FilesystemWriteException) {
$required_changes .= sprintf(__('Create the <strong>%s</strong> file and paste the following text into it:
<textarea>%s</textarea> <br />', 'w3-total-cache'), $ex->filename(), esc_textarea($ex->file_contents()));
} else {
if ($ex instanceof Util_WpFile_FilesystemModifyException) {
$modification_content = $ex->file_contents();
if (strlen($modification_content) > 0) {
$modification_content = '<textarea style="height: 100px; width: 100%;">' . esc_textarea($modification_content) . '</textarea>';
}
$required_changes .= $ex->modification_description() . $modification_content . '<br />';
} else {
if ($ex instanceof Util_WpFile_FilesystemCopyException) {
$commands .= 'cp ' . $ex->source_filename() . ' ' . $ex->destination_filename() . '<br />';
} else {
if ($ex instanceof Util_WpFile_FilesystemMkdirException) {
$commands .= 'mkdir ' . $ex->folder() . '<br />';
$commands .= 'chmod 777 ' . $ex->folder() . '<br />';
} else {
if ($ex instanceof Util_WpFile_FilesystemRmException) {
$commands .= 'rm ' . $ex->filename() . '<br />';
} else {
if ($ex instanceof Util_WpFile_FilesystemRmdirException) {
$commands .= 'rm -rf ' . $ex->folder() . '<br />';
} else {
if ($ex instanceof Util_WpFile_FilesystemChmodException) {
$commands .= 'chmod 777 ' . $ex->filename() . '<br />';
}
}
}
}
}
}
}
}
} else {
if ($ex instanceof Util_Environment_Exception) {
$t = $ex->technical_message();
if (strlen($t) > 0) {
$t = '<br />' . '<a class="w3tc_read_technical_info" href="#">' . __('Technical info', 'w3-total-cache') . '</a>' . '<div class="w3tc_technical_info" style="display: none">' . $t . '</div>';
}
$later_errors[] = $ex->getMessage() . $t;
} else {
// unknown command
$later_errors[] = $ex->getMessage();
}
}
}
if (strlen($commands) > 0) {
$required_changes .= __('Execute next commands in a shell:', 'w3-total-cache') . '<br><strong>' . $commands . '</strong>';
}
return array('before_errors' => $before_errors, 'required_changes' => $required_changes, 'later_errors' => $later_errors);
}
/**
* Fixes environment after plugin deactivation
*
* @param Config $config
* @throws Util_Environment_Exceptions
*/
public function fix_after_deactivation($config)
{
$exs = new Util_Environment_Exceptions();
// call plugin-related handlers
foreach ($this->get_handlers($config) as $h) {
try {
$h->fix_after_deactivation();
} catch (Util_Environment_Exceptions $ex) {
$exs->push($ex);
}
}
try {
do_action('w3tc_environment_fix_after_deactivation', $config);
} catch (Util_Environment_Exceptions $ex) {
$exs->push($ex);
}
if (count($exs->exceptions()) > 0) {
throw $exs;
}
}
