SimpleCloudNotifier/web/send.php

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PHP
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<?php
include_once 'model.php';
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//------------------------------------------------------------------
sleep(1);
//------------------------------------------------------------------
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$INPUT = array_merge($_GET, $_POST);
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if (!isset($INPUT['user_id'])) die(json_encode(['success' => false, 'errhighlight' => 101, 'message' => 'Missing parameter [[user_id]]']));
if (!isset($INPUT['user_key'])) die(json_encode(['success' => false, 'errhighlight' => 102, 'message' => 'Missing parameter [[user_token]]']));
if (!isset($INPUT['title'])) die(json_encode(['success' => false, 'errhighlight' => 103, 'message' => 'Missing parameter [[title]]']));
//------------------------------------------------------------------
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$user_id = $INPUT['user_id'];
$user_key = $INPUT['user_key'];
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$message = $INPUT['title'];
$content = $INPUT['content'];
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if ($content === null || $content === false) $content = '';
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//------------------------------------------------------------------
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if (strlen(trim($message)) == 0) die(json_encode(['success' => false, 'errhighlight' => 103, 'message' => 'No title specified']));
if (strlen($message) > 120) die(json_encode(['success' => false, 'errhighlight' => 103, 'message' => 'Title too long (120 characters)']));
if (strlen($content) > 10000) die(json_encode(['success' => false, 'errhighlight' => 104, 'message' => 'Content too long (10000 characters)']));
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//------------------------------------------------------------------
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$pdo = getDatabase();
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$stmt = $pdo->prepare('SELECT user_id, user_key, fcm_token, messages_sent, quota_today, quota_max, quota_day FROM users WHERE user_id = :uid LIMIT 1');
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$stmt->execute(['uid' => $user_id]);
$datas = $stmt->fetchAll(PDO::FETCH_ASSOC);
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if (count($datas)<=0) die(json_encode(['success' => false, 'errhighlight' => 101, 'message' => 'No User found']));
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$data = $datas[0];
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if ($data === null) die(json_encode(['success' => false, 'errhighlight' => 101, 'message' => 'User not found']));
if ($data['user_id'] !== (int)$user_id) die(json_encode(['success' => false, 'errhighlight' => 101, 'message' => 'UserID not found']));
if ($data['user_key'] !== $user_key) die(json_encode(['success' => false, 'errhighlight' => 102, 'message' => 'Authentification failed']));
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$fcm = $data['fcm_token'];
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$new_quota = $data['quota_today'] + 1;
if ($data['quota_day'] === null || $data['quota_day'] !== date("Y-m-d")) $new_quota=0;
if ($new_quota > $data['quota_max']) die(json_encode(['success' => false, 'errhighlight' => -1, 'message' => 'Daily quota reached ('.$data['quota_max'].')']));
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//------------------------------------------------------------------
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$url = "https://fcm.googleapis.com/fcm/send";
$payload = json_encode(
[
'to' => $fcm,
//'dry_run' => true,
'notification' =>
[
'title' => $message,
'body' => $content,
],
'data' =>
[
'title' => $message,
'body' => $content,
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'timestamp' => time(),
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]
]);
$header=
[
'Authorization' => 'key=' . getConfig()['firebase']['server_key'],
'Content-Type' => 'application/json',
];
try
{
$httpresult = sendPOST($url, $payload, $header);
}
catch (Exception $e)
{
die(json_encode(['success' => false, 'message' => 'Exception: ' . $e->getMessage()]));
}
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$stmt = $pdo->prepare('UPDATE users SET timestamp_accessed=NOW(), messages_sent=messages_sent+1, quota_today=:q, quota_day=NOW() WHERE user_id = :uid');
$stmt->execute(['uid' => $user_id, 'q' => $new_quota]);
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echo (json_encode(
[
'success' => true,
'message' => 'Message sent',
'response' => $httpresult,
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'messagecount' => $data['messages_sent']+1,
'quota'=>$new_quota,
'quota_max'=>$data['quota_max'],
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]));
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return 0;