<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class to send an e-mail
*/
if ( ! class_exists( 'rsssl_mailer' ) ) {
class rsssl_mailer {
public $to;
public $title;
public $headers;
public $message;
public $branded = true;
public $subject;
public $button_text;
public $change_text;
public $sent_to_text;
public $what_now_text;
public $sent_by_text;
public $warning_blocks;
public $error = '';
public $template_filename;
public $block_template_filename;
public function __construct() {
$this->sent_by_text = __( "This email is part of the Really Simple Security Notification System", "really-simple-ssl" );
$this->subject = __( "Notification by Really Simple Security", "really-simple-ssl" );
$this->button_text = __( "Learn more", "really-simple-ssl" );
$this->to = rsssl_get_option( 'notifications_email_address', get_bloginfo( 'admin_email' ) );
$this->title = __( "Learn more about our features!", "really-simple-ssl" );
$this->sent_to_text = __( "This email was sent to", "really-simple-ssl" );
$this->what_now_text = __( "Learn more", "really-simple-ssl" );
$this->change_text = __( "Why did I receive this email?", "really-simple-ssl" );
$domain = '<a href="' . site_url() . '">' . site_url() . '</a>';
$this->message = sprintf( __( "You have enabled a feature on %s. We think it's important to let you know a little bit more about this feature so you can use it without worries.", "really-simple-ssl" ), $domain );
add_action( 'wp_mail_failed', array( $this, 'log_mailer_errors' ), 10, 1 );
}
/**
* Send a test email
* @return array
*/
public function send_test_mail() {
if ( ! rsssl_user_can_manage() ) {
return [ 'success' => false, 'message' => 'Not allowed' ];
}
if ( ! is_email( $this->to ) ) {
return [
'success' => false,
'title' => __( "Test notification email error", 'really-simple-ssl' ),
'message' => __( 'Email address not valid', "really-simple-ssl" ),
];
}
$this->title = __( "Really Simple Security - Notification Test", "really-simple-ssl" );
$this->message = __( "This email is confirmation that any security notices are likely to reach your inbox.", "really-simple-ssl" );
$this->warning_blocks = [
[
'title' => __( "About notifications", "really-simple-ssl" ),
'message' => __( "Email notifications are only sent for important updates, security notices or when certain features are enabled.", "really-simple-ssl" ),
'url' => rsssl_link('email-notifications/'),
]
];
return $this->send_mail( true );
}
public function send_verification_mail() {
if ( ! rsssl_user_can_manage() ) {
return [
'success' => false,
'message' => 'Not allowed',
'title' => __( "Email verification error", 'really-simple-ssl' ),
];
}
$verification_code = str_pad( rand( 0, 999999 ), 6, '0', STR_PAD_LEFT );
$verification_expiration = strtotime( "+15 minutes" );
// Delete existing option
delete_option( 'rsssl_email_verification_code' );
update_option( 'rsssl_email_verification_code', $verification_code, false );
update_option( 'rsssl_email_verification_code_expiration', $verification_expiration, false );
update_option( 'rsssl_email_verification_status', 'started', false );
if ( ! is_email( $this->to ) ) {
return [
'success' => false,
'title' => __( "Email verification error", 'really-simple-ssl' ),
'message' => __( 'Email address not valid', "really-simple-ssl" )
];
}
$user_id = get_current_user_id();
$verification_url = add_query_arg(
array(
'page' => 'really-simple-security',
'rsssl_nonce' => wp_create_nonce( 'rsssl_email_verification_' . $user_id ),
'rsssl_verification_code' => $verification_code,
),
rsssl_admin_url([], '#settings/general')
);
$this->subject = __( "Really Simple Security - Verify your email address", "really-simple-ssl" );
$this->title = __( "Please verify your email", "really-simple-ssl" );
$this->message = __('To use certain features in Really Simple Security we need to confirm emails are delivered without issues.', 'really-simple-ssl');
$this->button_text = __( "Verify email", "really-simple-ssl" );
$this->warning_blocks[] = [
'title' => '',
'message' => sprintf( __( "Click the button below to confirm your email address, or copy the following URL: %s", "really-simple-ssl" ), '{url}' ),
'url' => $verification_url,
];
return $this->send_mail();
}
public function log_mailer_errors( $wp_error ) {
if ( is_wp_error( $wp_error ) ) {
$this->error = $wp_error->get_error_message();
}
}
/**
* Send an e-mail with the correct login URL
*
* @return array
*/
public function send_mail(): array {
if ( empty( $this->message ) || empty( $this->subject ) ) {
$this->error = __( "Email could not be sent. No message or subject set.", "really-simple-ssl" );
}
if ( ! is_email( $this->to ) ) {
$this->error = __( "Email address not valid", "really-simple-ssl" );
}
$block_template = $this->branded ? rsssl_path . '/mailer/templates/block.html' : rsssl_path . '/mailer/templates/block-unbranded.html';
$email_template = $this->branded ? rsssl_path . '/mailer/templates/email.html' : rsssl_path . '/mailer/templates/email-unbranded.html';
$this->block_template_filename = apply_filters( 'rsssl_email_block_template', $block_template );
$this->template_filename = apply_filters( 'rsssl_email_template', $email_template );
$template = file_get_contents( $this->template_filename );
$block_html = '';
if ( is_array( $this->warning_blocks ) && count( $this->warning_blocks ) > 0 ) {
$block_template = file_get_contents( $this->block_template_filename );
foreach ( $this->warning_blocks as $warning_block ) {
$block_html .= str_replace(
[ '{title}', '{message}', '{url}' ],
[
sanitize_text_field( $warning_block['title'] ),
wp_kses_post( $warning_block['message'] ),
esc_url_raw( $warning_block['url'] )
],
$block_template );
}
}
$username = rsssl_get_option( 'new_admin_user_login' );
$login_url = ! empty( rsssl_get_option( 'change_login_url' ) )
? trailingslashit( site_url() ) . rsssl_get_option( 'change_login_url' )
: wp_login_url();
$body = str_replace(
[
'{title}',
'{message}',
'{warnings}',
'{email-address}',
'{learn-more}',
'{site_url}',
'{login_url}',
'{username}',
'{change_text}',
'{what_now}',
'{sent_to_text}',
'{sent_by_text}',
],
[
sanitize_text_field( $this->title ),
wp_kses_post( $this->message ),
$block_html,
$this->to,
$this->button_text,
site_url(),
$login_url,
$username,
$this->change_text,
$this->what_now_text,
$this->sent_to_text,
$this->sent_by_text,
], $template );
$success = wp_mail( $this->to, sanitize_text_field( $this->subject ), $body, array( 'Content-Type: text/html; charset=UTF-8' ) );
if ( $success ) {
return [
'success' => true,
'title' => __( "Email verification", 'really-simple-ssl' ),
'message' => __( 'Email sent! Please check your mail', "really-simple-ssl" )
];
}
if ( empty( $this->error ) ) {
$this->error = __( 'Email could not be sent.', "really-simple-ssl" );
} else {
$this->error = __( 'An error occurred:', "really-simple-ssl" ) . '<br>' . $this->error;
}
return [
'success' => false,
'title' => __( "Email notification error", 'really-simple-ssl' ),
'message' => $this->error
];
}
}
}