/**
* Returns the appropriate header value of authorization depending on the available credentials.
*
* @return mixed string of the header value if successful, false otherwise.
*/
private static function get_auth_header_value()
{
if ("false" == Sendgrid_Tools::get_mc_opt_use_transactional()) {
$mc_api_key = Sendgrid_Tools::get_mc_api_key();
if (false != $mc_api_key) {
return 'Bearer ' . $mc_api_key;
}
}
$auth_method = Sendgrid_Tools::get_auth_method();
if ('credentials' == $auth_method) {
$creds = base64_encode(Sendgrid_Tools::get_username() . ':' . Sendgrid_Tools::get_password());
return 'Basic ' . $creds;
} else {
$api_key = Sendgrid_Tools::get_api_key();
if (false == $api_key) {
return false;
}
return 'Bearer ' . $api_key;
}
}
/**
* Display SendGrid settings page content
*
* @return void
*/
public static function show_settings_page()
{
$response = null;
$error_from_update = false;
if ('POST' == $_SERVER['REQUEST_METHOD'] and !isset($_POST['sg_dismiss_widget_notice'])) {
$response = self::do_post($_POST);
if (isset($response['status']) and $response['status'] == 'error') {
$error_from_update = true;
}
}
$status = '';
$message = '';
$user = Sendgrid_Tools::get_username();
$password = Sendgrid_Tools::get_password();
$api_key = Sendgrid_Tools::get_api_key();
$send_method = Sendgrid_Tools::get_send_method();
$auth_method = Sendgrid_Tools::get_auth_method();
$name = stripslashes(Sendgrid_Tools::get_from_name());
$email = Sendgrid_Tools::get_from_email();
$reply_to = Sendgrid_Tools::get_reply_to();
$categories = stripslashes(Sendgrid_Tools::get_categories());
$template = stripslashes(Sendgrid_Tools::get_template());
$port = Sendgrid_Tools::get_port();
$content_type = Sendgrid_Tools::get_content_type();
$unsubscribe_group_id = Sendgrid_Tools::get_unsubscribe_group();
$stats_categories = stripslashes(Sendgrid_Tools::get_stats_categories());
$mc_api_key = Sendgrid_Tools::get_mc_api_key();
$mc_list_id = Sendgrid_Tools::get_mc_list_id();
$mc_opt_use_transactional = Sendgrid_Tools::get_mc_opt_use_transactional();
$mc_opt_incl_fname_lname = Sendgrid_Tools::get_mc_opt_incl_fname_lname();
$mc_opt_req_fname_lname = Sendgrid_Tools::get_mc_opt_req_fname_lname();
$mc_signup_confirmation_page = Sendgrid_Tools::get_mc_signup_confirmation_page();
$mc_signup_email_subject = Sendgrid_Tools::get_mc_signup_email_subject();
if (false == $mc_signup_email_subject) {
$mc_signup_email_subject = self::DEFAULT_SIGNUP_EMAIL_SUBJECT . get_bloginfo('name');
}
$mc_signup_email_content = Sendgrid_Tools::get_mc_signup_email_content();
if (false == $mc_signup_email_content) {
$mc_signup_email_content = self::DEFAULT_SIGNUP_EMAIL_CONTENT . get_bloginfo('name') . '</p>';
}
$mc_signup_email_content = stripslashes($mc_signup_email_content);
$mc_signup_email_content_text = Sendgrid_Tools::get_mc_signup_email_content_text();
if (false == $mc_signup_email_content_text) {
$mc_signup_email_content_text = self::DEFAULT_SIGNUP_EMAIL_CONTENT_TEXT . get_bloginfo('name');
}
$mc_signup_email_content_text = stripslashes($mc_signup_email_content_text);
$confirmation_pages = get_pages(array('parent' => 0));
$checked_use_transactional = '';
if ('true' == $mc_opt_use_transactional) {
$checked_use_transactional = 'checked';
}
$checked_incl_fname_lname = '';
if ('true' == $mc_opt_incl_fname_lname) {
$checked_incl_fname_lname = 'checked';
}
$checked_req_fname_lname = '';
if ('true' == $mc_opt_req_fname_lname) {
$checked_req_fname_lname = 'checked';
}
$contact_lists = Sendgrid_NLVX::get_all_lists();
$contact_list_id_is_valid = false;
if (false != $contact_lists) {
foreach ($contact_lists as $key => $list) {
if ($mc_list_id == $list['id']) {
$contact_list_id_is_valid = true;
break;
}
}
}
$allowed_send_methods = array('API');
if (class_exists('Swift')) {
$allowed_send_methods[] = 'SMTP';
}
$is_mc_api_key_valid = true;
if ('true' == $mc_opt_use_transactional and 'apikey' == $auth_method and !empty($api_key)) {
if (!Sendgrid_Tools::check_api_key_mc($api_key)) {
$is_mc_api_key_valid = false;
}
} else {
if ('true' != $mc_opt_use_transactional) {
if (!Sendgrid_Tools::check_api_key_mc($mc_api_key)) {
$is_mc_api_key_valid = false;
}
}
}
if ($is_mc_api_key_valid) {
Sendgrid_Tools::set_mc_auth_valid('true');
} else {
Sendgrid_Tools::set_mc_auth_valid('false');
}
if (!$error_from_update) {
if (!in_array(strtoupper($send_method), $allowed_send_methods)) {
$message = 'Invalid send method configured in the config file, available methods are: ' . join(", ", $allowed_send_methods);
$status = 'error';
}
if ('apikey' == $auth_method and !empty($api_key)) {
if (!Sendgrid_Tools::check_api_key($api_key, true)) {
$message = 'API Key is invalid or without permissions.';
$status = 'error';
} elseif ('true' == $mc_opt_use_transactional and !$is_mc_api_key_valid) {
$message = 'The configured API Key for subscription widget is invalid, empty or without permissions.';
$status = 'error';
} elseif ('error' != $status) {
$status = 'valid_auth';
}
} elseif ('credentials' == $auth_method and !empty($user) and !empty($password)) {
if (!Sendgrid_Tools::check_username_password($user, $password, true)) {
$message = 'Username and password are invalid.';
$status = 'error';
} elseif ('error' != $status) {
$status = 'valid_auth';
}
}
if ($template and !Sendgrid_Tools::check_template($template)) {
$message = 'Template not found.';
$status = 'error';
}
if (!in_array($port, Sendgrid_Tools::$allowed_ports)) {
$message = 'Invalid port configured in the config file, available ports are: ' . join(",", Sendgrid_Tools::$allowed_ports);
$status = 'error';
}
if (!in_array($auth_method, Sendgrid_Tools::$allowed_auth_methods)) {
$message = 'Invalid authentication method configured in the config file, available options are: ' . join(", ", Sendgrid_Tools::$allowed_auth_methods);
$status = 'error';
}
if (defined('SENDGRID_CONTENT_TYPE')) {
if (!in_array(SENDGRID_CONTENT_TYPE, Sendgrid_Tools::$allowed_content_type)) {
$message = 'Invalid content type, available content types are: "plaintext" or "html".';
$status = 'error';
}
}
if (defined('SENDGRID_FROM_EMAIL')) {
if (!Sendgrid_Tools::is_valid_email(SENDGRID_FROM_EMAIL)) {
$message = 'Sending email address is not valid in config file.';
$status = 'error';
}
}
if (defined('SENDGRID_REPLY_TO')) {
if (!Sendgrid_Tools::is_valid_email(SENDGRID_REPLY_TO)) {
$message = 'Reply email address is not valid in config file.';
$status = 'error';
}
}
}
// get unsubscribe groups
$unsubscribe_groups = Sendgrid_Tools::get_all_unsubscribe_groups();
$no_permission_on_unsubscribe_groups = false;
if ('apikey' == $auth_method and 'true' != Sendgrid_Tools::get_asm_permission()) {
$no_permission_on_unsubscribe_groups = true;
}
$is_env_auth_method = defined('SENDGRID_AUTH_METHOD');
$is_env_send_method = defined('SENDGRID_SEND_METHOD');
$is_env_username = defined('SENDGRID_USERNAME');
$is_env_password = defined('SENDGRID_PASSWORD');
$is_env_api_key = defined('SENDGRID_API_KEY');
$is_env_port = defined('SENDGRID_PORT');
$is_env_content_type = defined('SENDGRID_CONTENT_TYPE');
$is_env_unsubscribe_group = defined('SENDGRID_UNSUBSCRIBE_GROUP');
$is_env_mc_api_key = defined('SENDGRID_MC_API_KEY');
$is_env_mc_list_id = defined('SENDGRID_MC_LIST_ID');
$is_env_mc_opt_use_transactional = defined('SENDGRID_MC_OPT_USE_TRANSACTIONAL');
$is_env_mc_opt_incl_fname_lname = defined('SENDGRID_MC_OPT_INCL_FNAME_LNAME');
$is_env_mc_opt_req_fname_lname = defined('SENDGRID_MC_OPT_REQ_FNAME_LNAME');
$is_env_mc_signup_email_subject = defined('SENDGRID_MC_SIGNUP_EMAIL_SUBJECT');
$is_env_mc_signup_email_content = defined('SENDGRID_MC_SIGNUP_EMAIL_CONTENT');
$is_env_mc_signup_email_content_text = defined('SENDGRID_MC_SIGNUP_EMAIL_CONTENT_TEXT');
$is_env_mc_signup_confirmation_page = defined('SENDGRID_MC_SIGNUP_CONFIRMATION_PAGE');
if ($response and $status != 'error') {
$message = $response['message'];
$status = $response['status'];
if (array_key_exists('error_type', $response)) {
$error_type = $response['error_type'];
}
}
require_once dirname(__FILE__) . '/../view/sendgrid_settings.php';
}