', addslashes($reactivate_url)); w3_activate_error(sprintf(__('%s
then %s.', 'w3-total-cache'), $e->getMessage(), $reactivate_button)); } /** * W3 error on read * * @param string $path * @throws FileOperationException */ function w3_throw_on_read_error($path) { w3_require_once(W3TC_INC_DIR . '/functions/file.php'); if (w3_check_open_basedir($path)) { $error = sprintf(__('%s could not be read, please run following command:
chmod 777 %s', 'w3-total-cache'), $path, (file_exists($path) ? $path : dirname($path))); } else { $error = sprintf(__('%s could not be read, open_basedir restriction in effect, please check your php.ini settings:
open_basedir = "%s"', 'w3-total-cache'), $path, ini_get('open_basedir')); } throw new FileOperationException($error, 'read', 'file', $path); } /** * W3 writable error * * @param string $path * @param string[] $chmod_dirs Directories that should be chmod 777 inorder to write * @throws FileOperationException */ function w3_throw_on_write_error($path, $chmod_dirs = array()) { w3_require_once(W3TC_INC_DIR . '/functions/file.php'); $chmods = ''; if ($chmod_dirs) { $chmods = '

chmod 777 %s

chmod 777 %s

open_basedir

open_basedir = "%s"

' . $filename . '

' . $destination_filename . '

' . $folder . '

' . $filename . '

(.+)<\/div>/", $form, $matches)) { $error = $matches[2]; $form = str_replace($matches[0], '', $form); } if (!$success) { throw new FilesystemOperationException($error, $form); } } /** * @param string $method * @param string $url * @param bool|string $context * @return FilesystemOperationException with S/FTP form */ function w3_get_filesystem_credentials_form($method = '', $url = '', $context = false) { ob_start(); // If first check failed try again and show error message request_filesystem_credentials($url, $method, true, false, array()); $success = false; $form = ob_get_contents(); ob_end_clean(); $error = ''; if (preg_match("/(.+)<\/div>/", $form, $matches)) { $form = str_replace($matches[0], '', $form); } return $form; } /** * 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', ""); } /** * Deletes maintenance mode file */ function w3_disable_maintenance_mode() { w3_wp_delete_file(w3_get_site_root() . '/.maintenance'); } /** * Used to display SelfTestExceptions in UI * @param SelfTestExceptions $exs * @return array(before_errors = [], required_changes =>, later_errors => []) **/ function w3_parse_selftest_exceptions($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 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 FilesystemWriteException) { $required_changes .= sprintf(__('Create the %s file and paste the following text into it:
', 'w3-total-cache'), $ex->filename(), esc_textarea($ex->file_contents())); } else if ($ex instanceof FilesystemModifyException) { $modification_content = $ex->file_contents(); if (strlen($modification_content) > 0) $modification_content = ''; $required_changes .= $ex->modification_description() . $modification_content . '
'; } else if ($ex instanceof FilesystemCopyException) { $commands .= 'cp ' . $ex->source_filename() . ' ' . $ex->destination_filename() . '
'; } else if ($ex instanceof FilesystemMkdirException) { $commands .= 'mkdir ' . $ex->folder() . '
'; $commands .= 'chmod 777 ' . $ex->folder() . '
'; } else if ($ex instanceof FilesystemRmException) { $commands .= 'rm ' . $ex->filename() . '
'; } else if ($ex instanceof FilesystemRmdirException) { $commands .= 'rm -rf ' . $ex->folder() . '
'; } else if ($ex instanceof FilesystemChmodException) { $commands .= 'chmod 777 ' . $ex->filename() . '
'; } } } else if ($ex instanceof SelfTestFailedException) { $t = $ex->technical_message(); if (strlen($t) > 0) { $t = '
' . '' . __('Technical info', 'w3-total-cache').'' . ''; } $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') . '
' . $commands . ''; } return array( 'before_errors' => $before_errors, 'required_changes' => $required_changes, 'later_errors' => $later_errors ); } /** * Thrown when the plugin fails to get correct filesystem rights when it tries to modify manipulate filesystem. */ class FilesystemOperationException extends Exception { private $credentials_form; public function __construct($message, $credentials_form = null) { parent::__construct($message); $this->credentials_form = $credentials_form; } public function credentials_form() { return $this->credentials_form; } } class FilesystemWriteException extends FilesystemOperationException { private $filename; private $file_contents; public function __construct($message, $credentials_form, $filename, $file_contents) { parent::__construct($message, $credentials_form); $this->filename = $filename; $this->file_contents = $file_contents; } public function filename() { return $this->filename; } public function file_contents() { return $this->file_contents; } } class FilesystemModifyException extends FilesystemOperationException { private $modification_description; private $filename; private $file_contents; public function __construct($message, $credentials_form, $modification_description, $filename, $file_contents = '') { parent::__construct($message, $credentials_form); $this->modification_description = $modification_description; $this->filename = $filename; $this->file_contents = $file_contents; } function modification_description() { return $this->modification_description; } public function filename() { return $this->filename; } public function file_contents() { return $this->file_contents; } } class FilesystemCopyException extends FilesystemOperationException { private $source_filename; private $destination_filename; public function __construct($message, $credentials_form, $source_filename, $destination_filename) { parent::__construct($message, $credentials_form); $this->source_filename = $source_filename; $this->destination_filename = $destination_filename; } public function source_filename() { return $this->source_filename; } public function destination_filename() { return $this->destination_filename; } } class FilesystemMkdirException extends FilesystemOperationException { private $folder; public function __construct($message, $credentials_form, $folder) { parent::__construct($message, $credentials_form); $this->folder = $folder; } public function folder() { return $this->folder; } } class FilesystemChmodException extends FilesystemOperationException { private $filename; private $permission; public function __construct($message, $credentials_form, $filename, $permission) { parent::__construct($message, $credentials_form); $this->filename = $filename; $this->permission = $permission; } public function filename() { return $this->filename; } public function permission() { return $this->permission; } } class FilesystemRmException extends FilesystemOperationException { private $filename; public function __construct($message, $credentials_form, $filename) { parent::__construct($message, $credentials_form); $this->filename = $filename; } public function filename() { return $this->filename; } } class FilesystemRmdirException extends FilesystemOperationException { private $folder; public function __construct($message, $credentials_form, $folder) { parent::__construct($message, $credentials_form); $this->folder = $folder; } public function folder() { return $this->folder; } } class SelfTestFailedException extends Exception { private $technical_message; public function __construct($message, $technical_message = '') { parent::__construct($message); $this->technical_message = $technical_message; } public function technical_message() { return $this->technical_message; } } class SelfTestExceptions extends Exception { private $exceptions; private $credentials_form; public function __construct() { parent::__construct(); $this->exceptions = array(); } public function push($ex) { if ($ex instanceof SelfTestExceptions) { foreach ($ex->exceptions() as $ex2) $this->push($ex2); } else { if ($this->credentials_form == null && $ex instanceof FilesystemOperationException && $ex->credentials_form() != null) $this->credentials_form = $ex->credentials_form(); $this->exceptions[] = $ex; } } /** * @return Exception[] */ public function exceptions() { return $this->exceptions; } public function credentials_form() { return $this->credentials_form; } } /** * Thrown when the plugin fails to read, create, delete files and folders. */ class FileOperationException extends Exception { private $operation; private $file_type; private $filename; public function __construct($message, $operation = '', $file_type = '', $filename = '') { parent::__construct($message); $this->operation = $operation; $this->file_type = $file_type; $this->filename = $filename; } public function getFileType() { return $this->file_type; } public function getFilename() { return $this->filename; } public function getOperation() { return $this->operation; } } /** * @return string[] error messages */ function w3_deactivate_plugin() { $errors = array(); try { $environment = w3_instance('W3_AdminEnvironment'); $environment->fix_after_deactivation(); deactivate_plugins(plugin_basename(W3TC_FILE)); } catch (SelfTestExceptions $exs) { $r = w3_parse_selftest_exceptions($exs); foreach ($r['before_errors'] as $e) $errors[] = $e; if (strlen($r['required_changes']) > 0) { $changes_style = 'border: 1px solid black; ' . 'background: white; ' . 'margin: 10px 30px 10px 30px; ' . 'padding: 10px; display: none'; $ftp_style = 'border: 1px solid black; background: white; ' . 'margin: 10px 30px 10px 30px; ' . 'padding: 10px; display: none'; $ftp_form = str_replace('class="wrap"', '', $exs->credentials_form()); $ftp_form = str_replace('

', '', $ftp_form); $ftp_form = str_replace('

', '', $ftp_form); $ftp_form = str_replace('id="upgrade" class="button"', 'id="upgrade" class="button w3tc-button-save"', $ftp_form); $error = sprintf( __('W3 Total Cache Error: Files and directories could not be automatically deleted.

Please execute commands manually	%s
or use FTP form to allow W3 Total Cache make it automatically.	%s

', 'w3-total-cache'), w3_button(__('View required changes', 'w3-total-cache'), '', 'w3tc-show-required-changes'), w3_button(__('Update via FTP', 'w3-total-cache'), '', 'w3tc-show-ftp-form') ) . '

' . $r['required_changes'] . '

' . '

' . $ftp_form . '

'; $errors[] = $error; } return $errors; } }