simba_tfa = $simba_tfa;
$this->file_path = path_join($this->get_mu_plugin_dir(), 'simba-tfa-encryption-key.php');
}
/**
* Returns full path to mu-plugin directory
*
* @return string - the mu-plugin directory path
*/
public function get_mu_plugin_dir() {
return WPMU_PLUGIN_DIR;
}
/**
* Returns the full path to the mu-plugin file
*
* @return string - the mu-plugin path
*/
public function get_file_path() {
return $this->file_path;
}
/**
* This function checks if our mu-plugin exists
*
* @return boolean - true if the file exists otherwise false
*/
public function muplugin_exists() {
return file_exists($this->file_path);
}
/**
* Inserts our code into our mu-plugin.
*
* The mu-plugin and the mu-plugin directory will be created if they don't already exists
*
* @return boolean|WP_Error - true on success or WP_Error on failure
*/
public function insert_contents() {
$info = pathinfo($this->file_path);
if (!isset($info['dirname'])) {
return new WP_Error(
'file_no_directory',
__('Encrypt secrets feature not enabled: no directory has been set.', 'two-factor-authentication') . ' ' . sprintf(__('Please check your %s constant is valid', 'two-factor-authentication'), 'WPMU_PLUGIN_DIR'),
$this->file_path
);
}
if (false === wp_mkdir_p($info['dirname'])) {
return new WP_Error(
'file_no_directory_created',
sprintf(__('The encrypt secrets feature was not enabled: your mu-plugins directory could not be automatically created; therefore, please use your web hosting file manager or FTP to manually create this folder and then try again: %s', 'two-factor-authentication'), $this->get_mu_plugin_dir()),
$info['dirname']
);
}
if (false === @file_put_contents($this->file_path, $this->get_contents())) { // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged -- ignore this as it is handled by the caller
return new WP_Error(
'file_no_contents',
__('The encrypt secrets feature was not enabled: attempting to write the mu-plugin file contents failed; therefore, please create the file manually.', 'two-factor-authentication') . "
" . sprintf(__('Add the following code to the file %s'), $this->get_file_path()) . "\n" . '
' . nl2br(esc_html($this->get_contents())) . '
' . __('Once you have added the above code then press the button to turn on encryption again', 'two-factor-authentication'),
$info['dirname']
);
}
return true;
}
/**
* This function creates the contents for the mu-plugin
*
* @return string - the contents of the mu-plugin
*/
public function get_contents() {
$encryption_key = base64_encode($this->simba_tfa->random_bytes(16));
$code = "