2dua8yLh

1<?php
2
3require 'settings.php';
4require 'vendor/autoload.php';
5
6function create_response($response) {
7	@header('Content-Type: application/json');
8	return json_encode($response);
9};
10
11// Фильтрация значений полей //
12
13function has_correct_value($name, $value, $filters) {
14
15    foreach ($filters as $filter) {
16
17        if (!$filter($value)) {
18            return false;
19        }
20
21    };
22
23    return true;
24};
25
26function send_message($array) {
27    global $alias;
28    global $settings;
29
30    $message = "
31		<p>" . $settings["mail"]["message"] . "</p>
32        <br>
33        <p><strong>Дата обращения: </strong>" . date('d.m.Y H:i:s') .  "</p>
34	";
35    foreach($array as $field) {
36        $name = $field["name"];
37        $value = $field["value"];
38
39        if ($name !== "g-recaptcha-response" && $name !== "agreement") {
40            $message .= "<p><strong>" . $alias[$name] . ":</strong> " . $value . "</p>";
41        }
42    };
43    $message .= "<br><br><p>Это письмо сгенерировано автоматически. Пожалуйста, не отвечайте на него.</p>";
44
45    $mail = new PHPMailer;
46
47    $mail->isSMTP();
48    $mail->Host = 'smtp.yandex.ru';
49    $mail->SMTPAuth = true;
50    $mail->Username = $settings["mail"]["auth"]["username"];
51    $mail->Password = $settings["mail"]["auth"]["password"];
52    $mail->SMTPSecure = "tsl";
53    $mail->Port = 587;
54    $mail->CharSet = "UTF-8";
55
56    $mail->Subject = $settings["mail"]["subject"];
57    $mail->SetFrom($settings["mail"]["sender"]["address"], $settings["mail"]["sender"]["alias"]);
58    $mail->MsgHTML($message);
59    $mail->AddAddress($settings["mail"]["receiver"]["address"], $settings["mail"]["receiver"]["alias"]);
60
61    $mail->send();
62};
63
64// Функции — Фильтры //
65
66$is_filled_string = function($string) {
67	return !(preg_match("/^\s+$/", $string) || strlen($string) === 0);
68};
69
70$is_phone = function($string) {
71    return preg_match("/^\+?(\d.*){3,}$/", $string);
72};
73
74$is_email = function($string) {
75    return preg_match("/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i", $string);
76};
77
78$is_correct_contact = function($string) {
79    global $is_email;
80    global $is_phone;
81
82    return $is_email($string) || $is_phone($string);
83};
84
85$is_agree = function($value) {
86    return $value === true;
87};
88
89$is_shorter_than = function($string) {
90    return strlen($string) <= 180;
91};
92
93$is_correct_captcha = function($public_key) {
94    global $settings;
95
96	$secretKey = $settings["captcha"]["secret_key"];
97	$ip = $_SERVER['REMOTE_ADDR'];
98
99	$postdata = http_build_query(array(
100			'secret' => $secretKey,
101			'response' => $public_key,
102			'remoteip' => $ip,
103		));
104
105	$opts = array(
106		'http' =>
107	    array(
108	        'method'  => 'POST',
109	        'header'  => 'Content-type: application/x-www-form-urlencoded',
110	        'content' => $postdata
111	    )
112	);
113
114	$context  = stream_context_create($opts);
115	$response = file_get_contents("https://www.google.com/recaptcha/api/siteverify", false, $context);
116	$responseKeys = json_decode($response,true);
117
118	return $responseKeys["success"];
119};
120
121// Настройки //
122
123$JSON_request = json_decode(file_get_contents('php://input'), true);
124$response = array();
125$filters = array(
126    "name" => array(
127        $is_filled_string,
128        $is_shorter_than
129    ),
130    "contact" => array(
131        $is_filled_string,
132        $is_correct_contact
133    ),
134    "point" => array(
135        $is_filled_string,
136        $is_shorter_than
137    ),
138    "agreement" => array(
139        $is_filled_string,
140        $is_agree
141    ),
142    "g-recaptcha-response" => array(
143        $is_filled_string,
144        $is_correct_captcha
145    )
146);
147$alias = array(
148    "name" => "Имя",
149    "contact" => "Email или номер телефона",
150    "point" => "Текст вопроса"
151);
152
153foreach($JSON_request as $field) {
154    $name = $field["name"];
155    $value = $field["value"];
156
157    if ( !has_correct_value($name, $value, $filters[$name]) ) {
158        array_push($response, $name);
159    }
160};
161
162if (empty($response)) {
163    send_message($JSON_request);
164};
165
166echo create_response($response);
167
168?>