← All changes | app/Hooks/Handlers/EmailVerificationHandler.php +42 -2 2.2.0 → 2.4.5 View file →

		@@ -8,10 +8,43 @@
8	8
9	9
10	10	class EmailVerificationHandler
11	11	{
	12	+ /**
	13	+ * Must match the "valid for 10 minutes" copy in the email below.
	14	+ */
	15	+ const CODE_TTL_SECONDS = 10 * MINUTE_IN_SECONDS;
	16	+
12	17	public static function sendSignupEmailVerificationHtml($formData)
13	18	{
	19	+ $email = strtolower(trim($formData['email']));
	20	+
	21	+ // The email bucket is the main throttle against mail-bombing an address. The IP
	22	+ // bucket is looser because offices and NATs share IPs.
	23	+ $ipKey = 'fs_signup_verify_ip_' . wp_hash(Helper::getIp());
	24	+ $emailKey = 'fs_signup_verify_email_' . wp_hash($email);
	25	+
	26	+ /*
	27	+ * Site-wide hourly cap on signup verification mail, for attackers who rotate
	28	+ * both IP and address. Tripping it blocks signup for everyone, so keep it well
	29	+ * above organic traffic.
	30	+ *
	31	+ * @since v2.2.2
	32	+ * @param int $limit Signup verification emails allowed site-wide per hour.
	33	+ */
	34	+ $globalLimit = (int) apply_filters('fluent_support/signup_verification_hourly_limit', 100);
	35	+
	36	+ // Check the global bucket last. Short-circuiting means only requests that pass
	37	+ // the IP and email gates count toward it, so one IP can't exhaust it.
	38	+ if (Helper::hitRateLimit($ipKey, 20)
	39	+ || Helper::hitRateLimit($emailKey, 5)
	40	+ || Helper::hitRateLimit('fs_signup_verify_global', $globalLimit, HOUR_IN_SECONDS)
	41	+ ) {
	42	+ wp_send_json([
	43	+ 'message' => __('Too many verification code requests. Please try again later.', 'fluent-support')
	44	+ ], 429);
	45	+ }
	46	+
14	47	try {
15	48	$verifcationCode = str_pad(random_int(100123, 900987), 6, 0, STR_PAD_LEFT);
16	49	} catch (\Exception $e) {
17	50	$verifcationCode = str_pad(wp_rand(100123, 900987), 6, 0, STR_PAD_LEFT);
		@@ -24,22 +57,29 @@
24	57
25	58	$data = array(
26	59	'login_hash' => $hash,
27	60	'status' => 'issued',
	61	+ 'email' => strtolower(trim($formData['email'])),
28	62	'ip_address' => Helper::getIp(),
29	63	'use_type' => 'signup_verification',
30	64	'used_count' => 0,
31	65	'two_fa_code_hash' => wp_hash_password($verifcationCode),
32		- 'valid_till' => gmdate('Y-m-d H:i:s', current_time('timestamp') + 10 * 60),
	66	+ 'valid_till' => gmdate('Y-m-d H:i:s', current_time('timestamp') + self::CODE_TTL_SECONDS),
33	67	'created_at' => current_time('mysql'),
34	68	'updated_at' => current_time('mysql')
35	69	);
36	70
37		- Meta::insert([
	71	+ $savedRecord = Meta::create([
38	72	'object_type' => 'fs_login_hashes',
39	73	'key' => $hash,
40	74	'value' => maybe_serialize($data)
41	75	]);
	76	+
	77	+ if (!$savedRecord || !$savedRecord->exists) {
	78	+ wp_send_json([
	79	+ 'message' => __('Unable to send verification code. Please try again later.', 'fluent-support')
	80	+ ], 500);
	81	+ }
42	82
43	83	// translators: %s is the site name
44	84	$mailSubject = apply_filters("fluent_support/signup_verification_mail_subject", sprintf(__('Your registration verification code for %s', 'fluent-support'), get_bloginfo('name')));
45	85