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105 lines
3.7 KiB
PHP
105 lines
3.7 KiB
PHP
<?php
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namespace App\Payments;
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class CoinPayments {
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public function __construct($config) {
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$this->config = $config;
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}
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public function form()
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{
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return [
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'coinpayments_merchant_id' => [
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'label' => 'Merchant ID',
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'description' => '商户 ID，填写您在 Account Settings 中得到的 ID',
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'type' => 'input',
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],
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'coinpayments_ipn_secret' => [
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'label' => 'IPN Secret',
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'description' => '通知密钥，填写您在 Merchant Settings 中自行设置的值',
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'type' => 'input',
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],
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'coinpayments_currency' => [
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'label' => '货币代码',
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'description' => '填写您的货币代码（大写），建议与 Merchant Settings 中的值相同',
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'type' => 'input',
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]
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];
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}
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public function pay($order)
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{
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// IPN notifications are slow, when the transaction is successful, we should return to the user center to avoid user confusion
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$parseUrl = parse_url($order['return_url']);
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$port = isset($parseUrl['port']) ? ":{$parseUrl['port']}" : '';
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$successUrl = "{$parseUrl['scheme']}://{$parseUrl['host']}{$port}";
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$params = [
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'cmd' => '_pay_simple',
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'reset' => 1,
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'merchant' => $this->config['coinpayments_merchant_id'],
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'item_name' => $order['trade_no'],
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'item_number' => $order['trade_no'],
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'want_shipping' => 0,
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'currency' => $this->config['coinpayments_currency'],
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'amountf' => sprintf('%.2f', $order['total_amount'] / 100),
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'success_url' => $successUrl,
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'cancel_url' => $order['return_url'],
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'ipn_url' => $order['notify_url']
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];
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$params_string = http_build_query($params);
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return [
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'type' => 1, // Redirect to url
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'data' => 'https://www.coinpayments.net/index.php?' . $params_string
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];
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}
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public function notify($params)
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{
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if (!isset($params['merchant']) || $params['merchant'] != trim($this->config['coinpayments_merchant_id'])) {
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abort(500, 'No or incorrect Merchant ID passed');
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}
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$headers = getallheaders();
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ksort($params);
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reset($params);
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$request = stripslashes(http_build_query($params));
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$headerName = 'Hmac';
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$signHeader = isset($headers[$headerName]) ? $headers[$headerName] : '';
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$hmac = hash_hmac("sha512", $request, trim($this->config['coinpayments_ipn_secret']));
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// if ($hmac != $signHeader) { <-- Use this if you are running a version of PHP below 5.6.0 without the hash_equals function
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// abort(400, 'HMAC signature does not match');
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// }
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if (!hash_equals($hmac, $signHeader)) {
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abort(400, 'HMAC signature does not match');
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}
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// HMAC Signature verified at this point, load some variables.
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$status = $params['status'];
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if ($status >= 100 || $status == 2) {
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// payment is complete or queued for nightly payout, success
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return [
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'trade_no' => $params['item_number'],
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'callback_no' => $params['txn_id'],
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'custom_result' => 'IPN OK'
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];
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} else if ($status < 0) {
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//payment error, this is usually final but payments will sometimes be reopened if there was no exchange rate conversion or with seller consent
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abort(500, 'Payment Timed Out or Error');
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} else {
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//payment is pending, you can optionally add a note to the order page
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die('IPN OK: pending');
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}
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}
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}
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