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<?php
w3_require_once(W3TC_INC_DIR . '/functions/activation.php');
/**
* Class W3_Environment
*/
class W3_GenericAdminEnvironment {
/**
* Fixes environment
* @param W3_Config $config
* @param bool $force_all_checks
* @throws SelfTestExceptions
*/
function fix_on_wpadmin_request($config, $force_all_checks) {
$exs = new SelfTestExceptions();
// create add-ins
$this->create_required_files($config, $exs);
// create folders
$this->create_required_folders($exs);
$this->add_index_to_folders();
// create wp-loader file
$wp_loader = w3_instance('W3_Environment_WpLoader');
if ($wp_loader->should_create()) {
try {
$wp_loader->create();
} catch (FilesystemOperationException $ex) {
$exs->push($ex);
}
}
if (count($exs->exceptions()) <= 0) {
$this->notify_no_config_present($config, $exs);
$this->notify_config_cache_not_writeable($config, $exs);
}
if (count($exs->exceptions()) > 0)
throw $exs;
}
/**
* Fixes environment once event occurs
* @throws SelfTestExceptions
**/
public function fix_on_event($config, $event, $old_config = null) {
if ($event == 'activate') {
delete_option('w3tc_request_data');
add_option('w3tc_request_data', '', null, 'no');
}
}
/**
* Fixes environment after plugin deactivation
* @throws SelfTestExceptions
* @return array
*/
public function fix_after_deactivation() {
$exs = new SelfTestExceptions();
$this->delete_required_files($exs);
delete_option('w3tc_request_data');
if (count($exs->exceptions()) > 0)
throw $exs;
}
/**
* Returns required rules for module
* @var W3_Config $config
* @return array
*/
function get_required_rules($config) {
return null;
}
/**
* Checks if addins in wp-content is available and correct version.
* @param $config
* @param SelfTestExceptions $exs
*/
private function create_required_files($config, $exs) {
$src = W3TC_INSTALL_FILE_ADVANCED_CACHE;
$dst = W3TC_ADDIN_FILE_ADVANCED_CACHE;
if ($this->advanced_cache_installed()) {
if ($this->is_advanced_cache_add_in()) {
$script_data = @file_get_contents($dst);
if ($script_data == @file_get_contents($src))
return;
} else {
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/other.php');
w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/ui.php');
$remove_url = w3_admin_url('admin.php?page=w3tc_dashboard&w3tc_default_remove_add_in=pgcache');
$exs->push(new FilesystemOperationException(
sprintf(__('The Page Cache add-in file advanced-cache.php is not a W3 Total Cache drop-in.
It should be removed. %s', 'w3-total-cache'),
w3tc_button_link(__('Yes, remove it for me', 'w3-total-cache'), wp_nonce_url($remove_url,'w3tc')))));
return;
}
}
try {
w3_wp_copy_file($src, $dst);
} catch (FilesystemOperationException $ex) {
$exs->push($ex);
}
}
/**
* Checks if addins in wp-content are available and deletes them.
* @param SelfTestExceptions $exs
*/
private function delete_required_files($exs) {
try {
if ($this->is_advanced_cache_add_in())
w3_wp_delete_file(W3TC_ADDIN_FILE_ADVANCED_CACHE);
} catch (FilesystemOperationException $ex) {
$exs->push($ex);
}
}
/**
* Checks if addins in wp-content is available and correct version.
* @param SelfTestExceptions $exs
*/
private function create_required_folders($exs) {
// folders that we create if not exists
$directories = array(
W3TC_CACHE_DIR,
W3TC_CONFIG_DIR
);
foreach ($directories as $directory) {
try{
w3_wp_create_writeable_folder($directory, WP_CONTENT_DIR);
} catch (FilesystemOperationException $ex) {
$exs->push($ex);
}
}
// folders that we delete if exists and not writeable
$directories = array(
W3TC_CACHE_CONFIG_DIR,
W3TC_CACHE_TMP_DIR,
W3TC_CACHE_BLOGMAP_FILENAME,
W3TC_CACHE_DIR . '/object',
W3TC_CACHE_DIR . '/db'
);
foreach ($directories as $directory) {
try{
if (file_exists($directory) && !is_writeable($directory))
w3_wp_delete_folder($directory);
} catch (FilesystemRmdirException $ex) {
$exs->push($ex);
}
}
}
/**
* Adds index files
*/
private function add_index_to_folders() {
$directories = array(
W3TC_CACHE_DIR,
W3TC_CONFIG_DIR,
W3TC_CACHE_CONFIG_DIR);
$add_files = array();
foreach ($directories as $dir) {
if (is_dir($dir) && !file_exists($dir . '/index.html'))
@file_put_contents($dir . '/index.html', '');
}
}
/**
* Check config file
* @param W3_Config $config
* @param SelfTestExceptions $exs
*/
private function notify_no_config_present($config, $exs) {
if ($config->own_config_exists()
&& $config->get_integer('common.instance_id', 0) != 0)
return;
$onclick = 'document.location.href=\'' .
addslashes(wp_nonce_url(
'admin.php?page=w3tc_general&w3tc_save_options')) .
'\';';
$button = '<input type="button" class="button w3tc" ' .
'value="save the settings" onclick="' . $onclick . '" />';
$exs->push(new SelfTestFailedException('<strong>W3 Total Cache:</strong> ' .
'Default settings are in use. The configuration file could ' .
'not be read or doesn\'t exist. Please ' . $button .
' to create the file.'));
}
/**
* 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> ' .
$ex->getMessage()));
}
}
}
/**
* Returns true if advanced-cache.php is installed
*
* @return boolean
*/
public function advanced_cache_installed() {
return file_exists(W3TC_ADDIN_FILE_ADVANCED_CACHE);
}
/**
* Returns true if advanced-cache.php is old version.
* @return boolean
*/
public function advanced_cache_check_old_add_in() {
return (($script_data = @file_get_contents(W3TC_ADDIN_FILE_ADVANCED_CACHE))
&& strstr($script_data, '& w3_instance') !== false);
}
/**
* Checks if advanced-cache.php exists
*
* @return boolean
*/
public function is_advanced_cache_add_in() {
return (($script_data = @file_get_contents(W3TC_ADDIN_FILE_ADVANCED_CACHE))
&& strstr($script_data, 'W3_PgCache') !== false);
}
}
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