fluent-support / app / Hooks / Handlers / EmailVerificationHandler.php

EmailVerificationHandler.php in Fluent Support – Helpdesk & Customer Support Ticket System 2.4.5, at app/Hooks/Handlers/EmailVerificationHandler.php

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1	<?php
2
3	namespace FluentSupport\App\Hooks\Handlers;
4
5	use FluentSupport\App\Models\Meta;
6	use FluentSupport\App\Services\Helper;
7	use FluentSupport\Framework\Support\Arr;
8
9
10	class EmailVerificationHandler
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
17	public static function sendSignupEmailVerificationHtml($formData)
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
47	try {
48	$verifcationCode = str_pad(random_int(100123, 900987), 6, 0, STR_PAD_LEFT);
49	} catch (\Exception $e) {
50	$verifcationCode = str_pad(wp_rand(100123, 900987), 6, 0, STR_PAD_LEFT);
51	}
52
53	$string = $formData['email'] . '-' . wp_generate_uuid4() . wp_rand(1, 99999999);
54	$hash = wp_hash_password($string);
55	$hash = sanitize_title($hash, '', 'display');
56	$hash .= $formData['email'] . '-' . time();
57
58	$data = array(
59	'login_hash' => $hash,
60	'status' => 'issued',
61	'email' => strtolower(trim($formData['email'])),
62	'ip_address' => Helper::getIp(),
63	'use_type' => 'signup_verification',
64	'used_count' => 0,
65	'two_fa_code_hash' => wp_hash_password($verifcationCode),
66	'valid_till' => gmdate('Y-m-d H:i:s', current_time('timestamp') + self::CODE_TTL_SECONDS),
67	'created_at' => current_time('mysql'),
68	'updated_at' => current_time('mysql')
69	);
70
71	$savedRecord = Meta::create([
72	'object_type' => 'fs_login_hashes',
73	'key' => $hash,
74	'value' => maybe_serialize($data)
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	}
82
83	// translators: %s is the site name
84	$mailSubject = apply_filters("fluent_support/signup_verification_mail_subject", sprintf(__('Your registration verification code for %s', 'fluent-support'), get_bloginfo('name')));
85
86	$pStart = '<p style="font-family: Arial, sans-serif; font-size: 16px; font-weight: normal; margin: 0; margin-bottom: 16px;">';
87
88	// translators: %s is the user's first name
89	$message = $pStart . sprintf(__('Hello %s,', 'fluent-support'), Arr::get($formData, 'first_name')) . '</p>' .
90	$pStart . __('Thank you for registering with us! To complete the setup of your account, please enter the verification code below on the registration page.', 'fluent-support') . '</p>' .
91	// translators: %s is the verification code
92	$pStart . '<b>' . sprintf(__('Verification Code: %s', 'fluent-support'), $verifcationCode) . '</b></p>' .
93	'<br />' .
94	$pStart . __('This code is valid for 10 minutes and is meant to ensure the security of your account. If you did not initiate this request, please ignore this email.', 'fluent-support') . '</p>';
95
96	$message = apply_filters('fluent_support/signup_verification_email_body', $message, $verifcationCode, $formData);
97
98	$data = [
99	'body' => $message,
100	'pre_header' => __('Activate your account', 'fluent-support'),
101	'show_footer' => false
102	];
103
104	$message = Helper::loadView('notification', $data);
105	$headers = array('Content-Type: text/html; charset=UTF-8');
106
107	\wp_mail($formData['email'], $mailSubject, $message, $headers);
108
109	ob_start();
110	?>
111	<div class="fs_signup_verification">
112	<div class="fs_field_group fs_field_verification">
113	<?php // translators: %s is the email address ?>
114	<p><?php echo esc_html(sprintf(__('A verification code has been sent to %s. Please provide the code below:', 'fluent-support'), $formData['email'])); ?></p>
115	<input type="hidden" name="_email_verification_hash" value="<?php echo esc_attr($hash); ?>"/>
116	<div class="fs_field_label is-required">
117	<label for="fs_field_verification"><?php esc_html_e('Verification Code', 'fluent-support'); ?></label>
118	</div>
119	<div class="fs_input_wrap">
120	<input type="text" id="fs_field_verification" placeholder="" name="_email_verification_token" required>
121	</div>
122	</div>
123	<button
124	style="display: inline-block; cursor: pointer; border: 0; background: #2271b1; color: #fff; text-decoration: none; text-shadow: none; min-height: 32px; padding: 8px 24px; font-size: 14px; border-radius: 3px; margin-top: 10px;"
125	id="fs_verification_submit" type="submit">
126	<?php esc_html_e('Complete Signup', 'fluent-support'); ?>
127	</button>
128	</div>
129	<?php
130	return ob_get_clean();
131	}
132
133	}
134