/**
* @param array $input
*
* @return array
*/
function filter_postback($input)
{
static $called_already;
if (isset($called_already) || empty($_POST)) {
/**
* When using the Settings API this filter will be called twice when the option needs to be added.
* This happens because of how WordPress is implemented and not something we can control.
* IOW, it's a hack but not a hack we can avoid unless WordPress makes changes.
*/
return $input;
}
$unfiltered_input = $input;
$called_already = true;
if (!current_user_can('manage_options')) {
/**
* TODO: Verify someone without proper options can actually get here.
*/
wp_die(__('Sorry, you do not have sufficient priviledges.'));
}
$this->_do_plugin_action('initialize_postback');
/**
* Get the array that contains names of 'plugin', 'page', 'tab', 'form' and 'settings'
* as well as special 'clear' and 'reset' for clearing and resetting the form respectively.
*/
$post_values = $_POST[$_POST['option_page']];
$this->plugin->set_current_admin_page($this);
$form = $this->plugin->get_form($post_values['_sidecar_form_meta']['form']);
$this->plugin->set_current_form($form);
$form_values = $input[$form->form_name];
/**
* Check with the API to see if we are authenticated
* @var RESTian_Client $api
*/
$api = $this->plugin->get_api();
if ($api && ($this->is_authentication_tab() || !$this->has_tabs()) && $form == $this->get_auth_form()) {
if (!$api->is_credentials($form_values)) {
add_settings_error($this->plugin->option_name, 'sidecar-no-credentials', $api->get_message());
} else {
/**
* @var RESTian_Response
*/
$response = $api->authenticate($form_values);
if ($response->has_error()) {
$form_values['authenticated'] = false;
if (!($message = $response->get_error()->message)) {
$message = 'Please try again.';
}
add_settings_error($this->plugin->option_name, 'sidecar-not-authenticated', __("Authentication Failed. {$message}", 'sidecar'));
} else {
$form_values = array_merge($form_values, $response->grant);
$form_values['authenticated'] = true;
$message = $this->_apply_plugin_filter('filter_authentication_success_message', __('Authentication successful. Settings saved.', 'sidecar'));
if ($message) {
add_settings_error($this->plugin->option_name, 'sidecar-authenticated', $message, 'updated');
}
}
}
}
//$this->plugin->set_api( $api );
if (isset($post_values['action']['clear'])) {
$form_values = $form->get_empty_field_values();
$message = __('Form values cleared.%s%sNOTE:%s Your browser may still be displaying values from its cache but this plugin has indeed cleared these values.%s', 'sidecar');
add_settings_error($this->plugin->option_name, "sidecar-clear", sprintf($message, "<br/><br/> ", '<em>', '</em>', '<br/><br/>'), 'updated');
} else {
if (isset($post_values['action']['reset'])) {
$form_values = $this->plugin->get_current_form()->get_default_settings_values();
add_settings_error($this->plugin->option_name, 'sidecar-reset', __('Defaults reset.', 'sidecar'), 'updated');
} else {
$form_values = array_map('rtrim', (array) $form_values);
add_filter($action_key = "pre_update_option_{$this->plugin->option_name}", array($this->plugin, '_pre_update_option'), 10, 2);
/**
* @todo How to signal a failed validation?
*/
$form_values = $this->_apply_plugin_filter('validate_settings_values', $form_values, $form);
/**
* Esnure that all fields have a value in the $form_values array.
* Checkboxes and radio buttons might not.
*/
$form_values = $form->ensure_default_values($form_values);
/**
* @var Sidecar_Field $field
*/
foreach ($form->get_fields() as $field_name => $field) {
$validation_options = false;
if ($field->field_allow_html) {
$form_values[$field_name] = htmlentities($form_values[$field_name]);
}
/**
* Default to FILTER_SANITIZE_STRING if ['validator'] not set.
*/
if ($field->field_options) {
$validated_value = isset($field->field_options[$form_values[$field_name]]) ? $form_values[$field_name] : false;
} else {
if (isset($field->field_validator['filter'])) {
$validated_value = filter_var($form_values[$field_name], $field->field_validator['filter']);
if (isset($field->field_validator['options'])) {
$validation_options = $field->field_validator['options'];
}
} else {
$validator = $field->field_validator ? $field->field_validator : FILTER_SANITIZE_STRING;
$validated_value = filter_var($form_values[$field_name], $validator);
}
}
$validated_value = $this->_apply_plugin_filter("sanitize_setting_{$field_name}", $validated_value, $field, $form);
if ($validation_options || $validated_value != $form_values[$field_name]) {
if (!$validation_options) {
add_settings_error($this->plugin->option_name, 'sidecar-value', sprintf(__('Please enter a valid value for "%s."', 'sidecar'), $field->field_label));
} else {
if (isset($validation_options['min']) && $validation_options['min'] > intval($form_values[$field_name])) {
add_settings_error($this->plugin->option_name, 'sidecar-min', sprintf(__('Please enter a value greater than or equal to %d for "%s."', 'sidecar'), $validation_options['min'], $field->field_label));
}
if (isset($validation_options['max']) && $validation_options['max'] < intval($form_values[$field_name])) {
add_settings_error($this->plugin->option_name, 'sidecar-max', sprintf(__('Please enter a value less than or equal to %d for "%s."', 'sidecar'), $validation_options['max'], $field->field_label));
$continue = true;
}
}
}
}
}
}
$form_values = $this->_apply_plugin_filter($method_name = "process_form_{$form->form_name}", $form_values);
if (method_exists($this->plugin, $method_name)) {
/**
* This presumes that "process_form_{$form->form_name}" uses the $api.
* We may need to make it a bit more generic, i.e. allow setting a message on the plugin
* and then our process form would need to set the plugin's message.
*/
if (!empty($api->response->message)) {
$message_type = $api->response->has_error() ? 'error' : 'updated';
add_settings_error($this->plugin->option_name, "sidecar-form-processed-{$form->form_name}", $api->response->message, $message_type);
}
}
$input[$form->form_name] = $form_values;
$input = $this->_apply_plugin_filter('filter_postback', $input);
$postback_info = (object) array('admin_page' => $this, 'form' => $form, 'form_values' => $form_values, 'input' => $input, 'unfiltered' => $unfiltered_input);
$this->_do_plugin_action("set_postback_{$form->form_name}_{$this->page_name}_message", $postback_info);
$this->_do_plugin_action('set_postback_message', $this, $form, $postback_info);
return $input;
}
