136 lines
4.6 KiB
PHP
136 lines
4.6 KiB
PHP
<?php
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namespace Plugin\Epay;
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use App\Services\Plugin\AbstractPlugin;
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use App\Contracts\PaymentInterface;
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use App\Models\Order;
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class Plugin extends AbstractPlugin implements PaymentInterface
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{
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public function boot(): void
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{
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$this->filter('available_payment_methods', function ($methods) {
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if ($this->getConfig('enabled', true)) {
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$methods['EPay'] = [
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'name' => $this->getConfig('display_name', '易支付'),
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'icon' => $this->getConfig('icon', '💳'),
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'plugin_code' => $this->getPluginCode(),
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'type' => 'plugin'
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];
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}
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return $methods;
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});
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}
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public function form(): array
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{
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return [
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'url' => [
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'label' => '支付网关地址',
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'type' => 'string',
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'required' => true,
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'description' => '请填写完整的支付网关地址，包括协议（http或https）'
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],
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'pid' => [
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'label' => '商户ID',
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'type' => 'string',
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'description' => '请填写商户ID',
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'required' => true
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],
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'key' => [
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'label' => '通信密钥',
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'type' => 'string',
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'required' => true,
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'description' => '请填写通信密钥'
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],
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'type' => [
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'label' => '支付类型',
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'type' => 'string',
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'description' => '支付类型，如: alipay, wxpay, qqpay 等，可自定义'
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],
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];
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}
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public function pay($order): array
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{
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$params = [
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'money' => $order['total_amount'] / 100,
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'name' => $order['trade_no'],
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'notify_url' => $order['notify_url'],
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'return_url' => $order['return_url'],
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'out_trade_no' => $order['trade_no'],
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'pid' => $this->getConfig('pid')
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];
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if ($paymentType = $this->getConfig('type')) {
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$params['type'] = $paymentType;
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}
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$params['sign'] = $this->signature($params);
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$params['sign_type'] = 'MD5';
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return [
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'type' => 1,
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'data' => rtrim($this->getConfig('url'), '/') . '/submit.php?' . http_build_query($params)
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];
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}
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public function notify($params): array|bool
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{
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foreach ($params as $value) {
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if (!is_scalar($value) && $value !== null) {
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return false;
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}
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}
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if (!is_string($params['sign'] ?? null)
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|| ($params['sign_type'] ?? 'MD5') !== 'MD5'
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|| !hash_equals($this->signature($params), $params['sign'])
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|| ($params['trade_status'] ?? null) !== 'TRADE_SUCCESS'
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|| (string) ($params['pid'] ?? '') !== (string) $this->getConfig('pid')
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|| ($this->getConfig('type') && ($params['type'] ?? null) !== $this->getConfig('type'))
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|| empty($params['out_trade_no']) || empty($params['trade_no'])) {
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return false;
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}
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$order = $this->findOrder((string) $params['out_trade_no']);
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$amount = $this->amountInCents((string) ($params['money'] ?? ''));
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if (!$order || (int) $order->payment_id !== (int) $this->getConfig('id')
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|| $amount === null || $amount !== (int) $order->total_amount + (int) $order->handling_amount
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|| !in_array((int) $order->status, [Order::STATUS_PENDING, Order::STATUS_PROCESSING, Order::STATUS_COMPLETED], true)
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|| ($order->callback_no && $order->callback_no !== (string) $params['trade_no'])) {
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return false;
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}
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return [
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'trade_no' => $params['out_trade_no'],
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'callback_no' => $params['trade_no']
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];
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}
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protected function findOrder(string $tradeNo): ?Order
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{
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return Order::where('trade_no', $tradeNo)->first();
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}
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private function signature(array $params): string
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{
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unset($params['sign'], $params['sign_type']);
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$params = array_filter($params, static fn ($value) => $value !== '' && $value !== null);
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ksort($params, SORT_STRING);
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$parts = [];
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foreach ($params as $key => $value) {
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$parts[] = $key . '=' . $value;
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}
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return md5(implode('&', $parts) . $this->getConfig('key'));
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}
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private function amountInCents(string $amount): ?int
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{
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if (!preg_match('/\A([0-9]{1,10})(?:\.([0-9]{1,2}))?\z/', $amount, $matches)) {
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return null;
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}
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return (int) $matches[1] * 100 + (int) str_pad($matches[2] ?? '', 2, '0');
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}
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}
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