| Current File : /home/escuelai/public_html/wp-content/plugins/w3-total-cache/Generic_Environment.php |
<?php
/**
* FIle: Generic_Environment.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class: Generic_Environment
*
* phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged
* phpcs:disable WordPress.WP.AlternativeFunctions
* phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter
*/
class Generic_Environment {
/**
* Fixes environment
*
* @param Config $config Config.
* @param bool $force_all_checks Force checks flag.
*
* @throws Util_Environment_Exceptions Exceptions.
*/
public function fix_on_wpadmin_request( $config, $force_all_checks ) {
$exs = new Util_Environment_Exceptions();
// create add-ins.
$this->create_required_files( $config, $exs );
// create folders.
$this->create_required_folders( $exs );
$this->add_index_to_folders();
if ( count( $exs->exceptions() ) <= 0 ) {
// save actual version of config is it's built on legacy configs.
$f = ConfigUtil::is_item_exists( 0, false );
$f2 = file_exists( Config::util_config_filename_legacy_v2( 0, false ) );
$c = Dispatcher::config_master();
if ( ( $f || $f2 ) && $c->is_compiled() ) {
$c->save();
$f = ConfigUtil::is_item_exists( 0, false );
}
if ( $f && $f2 ) {
@unlink( Config::util_config_filename_legacy_v2( 0, false ) );
}
}
if ( count( $exs->exceptions() ) > 0 ) {
throw $exs;
}
}
/**
* Fixes environment once event occurs
*
* @param Config $config Config.
* @param string $event Event.
* @param null|Config $old_config Old Config.
*
* @throws Util_Environment_Exceptions Exceptions.
*/
public function fix_on_event( $config, $event, $old_config = null ) {
}
/**
* Fixes environment after plugin deactivation
*
* @throws Util_Environment_Exceptions Environment exception.
*
* @return void
*/
public function fix_after_deactivation() {
$exs = new Util_Environment_Exceptions();
$this->delete_required_files( $exs );
$this->unschedule_purge_wpcron();
if ( count( $exs->exceptions() ) > 0 ) {
throw $exs;
}
}
/**
* Returns required rules for module
*
* @param Config $config Config.
*
* @return null
*/
public function get_required_rules( $config ) {
return null;
}
/**
* Checks if addins in wp-content is available and correct version.
*
* @param unknown $config Config.
* @param Util_Environment_Exceptions $exs Enfironment exceptions.
*
* @return void
*/
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() ) {
if ( @hash_file( 'sha256', $src ) === @hash_file( 'sha256', $dst ) ) {
return;
}
} elseif ( 'yes' === get_transient( 'w3tc_remove_add_in_pgcache' ) ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedElseif
/**
* User already manually asked to remove another plugin's add in, we should
* try to apply ours (in case of missing permissions deletion could fail).
*/
} elseif ( ! $this->advanced_cache_check_old_add_in() ) {
$remove_url = Util_Ui::admin_url( 'admin.php?page=w3tc_dashboard&w3tc_default_remove_add_in=pgcache' );
$exs->push(
new Util_WpFile_FilesystemOperationException(
sprintf(
// Translators: 1 button link.
__(
'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'
),
Util_Ui::button_link(
__( 'Yes, remove it for me', 'w3-total-cache' ),
wp_nonce_url( $remove_url, 'w3tc' )
)
)
)
);
return;
}
}
try {
Util_WpFile::copy_file( $src, $dst );
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
$exs->push( $ex );
}
}
/**
* Checks if addins in wp-content are available and deletes them.
*
* @param Util_Environment_Exceptions $exs Environment exceptions.
*
* @return void
*/
private function delete_required_files( $exs ) {
try {
if ( $this->is_advanced_cache_add_in() ) {
Util_WpFile::delete_file( W3TC_ADDIN_FILE_ADVANCED_CACHE );
}
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
$exs->push( $ex );
}
}
/**
* Checks if addins in wp-content is available and correct version.
*
* @param Util_Environment_Exceptions $exs Environment exceptions.
*
* @return void
*/
private function create_required_folders( $exs ) {
// Folders that we create if not exists.
$directories = array(
W3TC_CACHE_DIR,
);
if ( ! ( defined( 'W3TC_CONFIG_DATABASE' ) && W3TC_CONFIG_DATABASE ) ) {
$directories[] = W3TC_CONFIG_DIR;
}
foreach ( $directories as $directory ) {
try {
Util_WpFile::create_writeable_folder( $directory, WP_CONTENT_DIR );
} catch ( Util_WpFile_FilesystemOperationException $ex ) {
$exs->push( $ex );
}
}
// folders that we delete if exists and not writeable.
$directories = array(
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 ) ) {
Util_WpFile::delete_folder( $directory );
}
} catch ( Util_WpFile_FilesystemRmdirException $ex ) {
$exs->push( $ex );
}
}
}
/**
* Adds index files
*
* @return void
*/
private function add_index_to_folders() {
$directories = array(
W3TC_CACHE_DIR,
W3TC_CONFIG_DIR,
);
$add_files = array();
foreach ( $directories as $dir ) {
if ( is_dir( $dir ) && ! file_exists( $dir . '/index.html' ) ) {
@file_put_contents( $dir . '/index.html', '' );
}
}
}
/**
* 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() {
$script_data = @file_get_contents( W3TC_ADDIN_FILE_ADVANCED_CACHE );
return ( $script_data && strstr( $script_data, 'w3_instance' ) !== false );
}
/**
* Checks if advanced-cache.php exists
*
* @return boolean
*/
public function is_advanced_cache_add_in() {
$script_data = @file_get_contents( W3TC_ADDIN_FILE_ADVANCED_CACHE );
return ( $script_data && strstr( $script_data, 'PgCache_ContentGrabber' ) !== false );
}
/**
* Remove cron job for purge all caches.
*
* @since 2.8.0
*
* @return void
*/
private function unschedule_purge_wpcron() {
if ( wp_next_scheduled( 'w3tc_purgeall_wpcron' ) ) {
wp_clear_scheduled_hook( 'w3tc_purgeall_wpcron' );
}
}
}