437 lines
18 KiB
PHP
437 lines
18 KiB
PHP
<?php
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/**
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* 债券在线充值 · 支付平台联控（彩虹易支付 RSA 版）
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*
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* 动作：
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* - create_order : 校验登录态 → 生成订单 → RSA签名 → 返回跳转支付URL
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* - notify : 平台异步回调（GET）→ 平台公钥验签 → 金额校验 → 幂等 → 写 web_transactions(recharge)
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* - query_order : 前端补单/轮询订单状态
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*
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* ★ 安全：本文件不含任何密钥。密钥从 pay_secrets.php（git-ignored，仅定义常量的 .php）或
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* 本地 git-ignored 的「密钥文件_git拉黑.txt」读取；两者均不会进入版本库，也不会被部署脚本上传。
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*/
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// 防止 PHP 错误/弃用警告以 HTML 形式污染 JSON / notify 纯文本响应
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@ini_set('display_errors', '0');
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@ini_set('html_errors', '0');
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error_reporting(E_ALL);
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// 防止任何前置输出污染 JSON / notify 纯文本响应
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ob_start();
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require_once __DIR__ . '/../core.php';
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ob_end_clean();
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// ===== 非机密常量（可安全提交） =====
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// 彩虹易支付 下单网关
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define('PAY_GATEWAY', 'https://zf.ypshidifu.cn/api/pay/submit');
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// 异步通知地址（平台服务器回调，必须公网可达）
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define('PAY_NOTIFY_URL', 'https://caoyuan.ypshidifu.cn/plugin/api/pay.php?action=notify');
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// 同步跳转地址（玩家付款后浏览器跳回）
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define('PAY_RETURN_URL', 'https://caoyuan.ypshidifu.cn/plugin/player.php?paid=1');
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define('PAY_SIGN_TYPE', 'RSA');
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// ===== 0.01 元测试配置（先跑通全链路，后续替换为 recharge_tiers 档位） =====
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define('PAY_TEST_MONEY', '0.01'); // 元（字符串，与回调比对）
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define('PAY_TEST_BONDS', 1); // 对应债券数量
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define('PAY_TEST_NAME', '债券充值-测试0.01元');
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// ====================================================================
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// 密钥加载（双来源：本地 txt 优先，服务器 pay_secrets.php 兜底）
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// ====================================================================
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function loadPayKeys() {
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// 来源 A：本地/部署仓库中的 git-ignored 明文文件（源真相，便于改密）
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$txtCandidates = [
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__DIR__ . '/../密钥文件_git拉黑.txt',
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__DIR__ . '/密钥文件_git拉黑.txt',
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];
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foreach ($txtCandidates as $f) {
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// @ 抑制：密钥文件可能不存在（正常情况），避免 open_basedir 等警告污染响应输出
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if (@is_file($f) && @is_readable($f)) {
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$parsed = parsePayKeyFile(@file_get_contents($f));
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if (!empty($parsed['merchant_private']) && !empty($parsed['platform_public'])) {
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return [
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'pid' => $parsed['pid'],
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'private_key' => wrapPem($parsed['merchant_private'], 'private'),
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'public_key' => wrapPem($parsed['platform_public'], 'public'),
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];
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}
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}
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}
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// 来源 B：服务器部署用的 pay_secrets.php（git-ignored，仅 define 常量，无输出，web 安全）
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$secretsFile = __DIR__ . '/pay_secrets.php';
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if (@is_file($secretsFile) && @is_readable($secretsFile)) {
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@require_once $secretsFile;
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if (defined('PAY_MCH_PRIVATE_KEY') && defined('PAY_PLATFORM_PUBLIC_KEY')) {
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return [
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'pid' => defined('PAY_PID') ? PAY_PID : '',
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'private_key' => wrapPem(PAY_MCH_PRIVATE_KEY, 'private'),
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'public_key' => wrapPem(PAY_PLATFORM_PUBLIC_KEY, 'public'),
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];
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}
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}
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return ['pid' => '', 'private_key' => '', 'public_key' => ''];
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}
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/**
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* 解析「密钥文件_git拉黑.txt」格式：
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* 商户ID：1001
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* 平台公钥：<base64>
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* 商户公钥：<base64>
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* 商户私钥：<base64>
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* MD5密钥：<base64>
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*/
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function parsePayKeyFile($content) {
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$lines = preg_split('/\r\n|\r|\n/', (string)$content);
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$blocks = [];
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$cur = null;
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foreach ($lines as $ln) {
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if (preg_match('/^([\x{4e00}-\x{9fa5}A-Za-z0-9 ]+)\s*[：:]\s*(.*)$/u', $ln, $m)) {
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$cur = trim($m[1]);
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$blocks[$cur] = $m[2];
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} elseif ($cur !== null) {
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$blocks[$cur] .= $ln;
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}
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}
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$clean = function ($v) { return preg_replace('/\s+/', '', $v ?? ''); };
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return [
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'pid' => trim($blocks['商户ID'] ?? ''),
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'platform_public' => $clean($blocks['平台公钥'] ?? ''),
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'merchant_public' => $clean($blocks['商户公钥'] ?? ''),
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'merchant_private'=> $clean($blocks['商户私钥'] ?? ''),
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'md5' => trim($blocks['MD5密钥'] ?? ''),
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];
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}
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/** 将裸 base64 包装为 PEM。私钥自动探测 PKCS#1(RSA PRIVATE KEY) / PKCS#8(PRIVATE KEY)，公钥用 SubjectPublicKeyInfo(PUBLIC KEY) */
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function wrapPem($b64, $type) {
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$b64 = preg_replace('/\s+/', '', $b64);
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if ($b64 === '') return '';
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// 探测 DER：PKCS#8(PRIVATE KEY) 与 PKCS#1(RSA PRIVATE KEY) 都以
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// SEQUENCE{INTEGER 0(version)} 开头（即 30 82 .. 02 01 00），无法靠前 7 字节区分。
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// 关键在 version 之后紧跟的标签：PKCS#8 是 AlgorithmIdentifier 的 SEQUENCE(0x30)，
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// PKCS#1 是 modulus 的 INTEGER(0x02)。据此决定用哪个 PEM 头（opensslLoadKey 仍有兜底重试）。
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$header = 'PUBLIC KEY';
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if ($type === 'private') {
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$raw = @base64_decode($b64, true);
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$isPkcs1 = ($raw !== false && strlen($raw) > 8
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&& $raw[0] === "\x30" && $raw[1] === "\x82"
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&& $raw[4] === "\x02" && $raw[5] === "\x01" && $raw[6] === "\x00"
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&& $raw[7] === "\x02");
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$header = $isPkcs1 ? 'RSA PRIVATE KEY' : 'PRIVATE KEY';
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}
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$body = trim(chunk_split($b64, 64, "\n"));
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return "-----BEGIN $header-----\n$body\n-----END $header-----\n";
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}
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/**
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* 容错加载密钥：首次用给定 PEM 加载失败后，自动在 PKCS#1<->PKCS#8 头之间切换重试，
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* 彻底规避「密钥格式与 PEM 头不匹配」导致的签名/验签失败（支付链路关键路径，必须健壮）。
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*/
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function opensslLoadKey($pem, $isPrivate) {
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$fn = $isPrivate ? 'openssl_pkey_get_private' : 'openssl_pkey_get_public';
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$key = @$fn($pem);
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if ($key !== false) return $key;
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if (!$isPrivate) return false;
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// 私钥：在 RSA PRIVATE KEY <-> PRIVATE KEY 之间切换重试
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$alt = preg_replace('/-----BEGIN RSA PRIVATE KEY-----/', "-----BEGIN PRIVATE KEY-----", $pem);
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$alt = preg_replace('/-----END RSA PRIVATE KEY-----/', "-----END PRIVATE KEY-----", $alt);
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if ($alt !== $pem && ($key = @$fn($alt)) !== false) return $key;
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$alt = preg_replace('/-----BEGIN PRIVATE KEY-----/', "-----BEGIN RSA PRIVATE KEY-----", $pem);
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$alt = preg_replace('/-----END PRIVATE KEY-----/', "-----END RSA PRIVATE KEY-----", $alt);
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if ($alt !== $pem && ($key = @$fn($alt)) !== false) return $key;
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return false;
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}
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/**
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* RSA(SHA256withRSA) 请求签名：取全部非空参数 → 剔除 sign → 参数名 ASCII 升序 → 原始值 k=v& 拼接 → 私钥签名
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*/
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function buildSign($params, $privateKeyPem) {
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$filtered = [];
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foreach ($params as $k => $v) {
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if ($k === 'sign') continue; // 只跳过sign字段，保留sign_type
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if ($v === '' || $v === null) continue;
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$filtered[$k] = $v;
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}
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ksort($filtered, SORT_STRING);
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$parts = [];
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foreach ($filtered as $k => $v) {
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$parts[] = $k . '=' . $v;
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}
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$data = implode('&', $parts);
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$key = opensslLoadKey($privateKeyPem, true);
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if ($key === false) {
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throw new Exception('商户私钥加载失败: ' . openssl_error_string());
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}
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openssl_sign($data, $signature, $key, OPENSSL_ALGO_SHA256); // 彩虹易支付V2接口使用SHA256WithRSA
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// PHP 8.0+ 已弃用 openssl_free_key，资源会自动释放；显式调用会触发弃用警告，污染 JSON 响应
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if (PHP_VERSION_ID < 80000) {
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@openssl_free_key($key);
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}
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return base64_encode($signature);
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}
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/**
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* RSA(SHA256withRSA) 回调验签：用平台公钥验证（兼容平台新增的扩展字段——取回调全部非空参数参与）
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*/
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function verifyNotifySign($params, $publicKeyPem) {
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if (empty($params['sign']) || empty($publicKeyPem)) return false;
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$sign = $params['sign'];
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$filtered = [];
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foreach ($params as $k => $v) {
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if ($k === 'sign' || $k === 'sign_type') continue;
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if ($v === '' || $v === null) continue;
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$filtered[$k] = $v;
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}
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ksort($filtered, SORT_STRING);
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$parts = [];
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foreach ($filtered as $k => $v) {
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$parts[] = $k . '=' . $v;
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}
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$data = implode('&', $parts);
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$key = opensslLoadKey($publicKeyPem, false);
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if ($key === false) return false;
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$ok = openssl_verify($data, base64_decode($sign), $key, OPENSSL_ALGO_SHA256);
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// PHP 8.0+ 已弃用 openssl_free_key，资源会自动释放
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if (PHP_VERSION_ID < 80000) {
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@openssl_free_key($key);
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}
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return $ok === 1;
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}
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// ====================================================================
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// 数据表
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// ====================================================================
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function ensurePayOrdersTable($db) {
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$db->exec("CREATE TABLE IF NOT EXISTS pay_orders (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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out_trade_no TEXT UNIQUE,
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trade_no TEXT,
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player_name TEXT NOT NULL,
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tier_id INTEGER DEFAULT 0,
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money TEXT,
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bond_amount INTEGER DEFAULT 0,
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status TEXT DEFAULT 'created',
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name TEXT,
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platform_sign TEXT,
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created_at INTEGER,
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paid_at INTEGER
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)");
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}
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// ====================================================================
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// 动作：create_order
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// ====================================================================
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function createOrder($token) {
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$keys = loadPayKeys();
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if (empty($keys['pid']) || empty($keys['private_key']) || empty($keys['public_key'])) {
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error('支付密钥未配置，请联系管理员', 500);
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}
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$info = validateTokenSilent($token);
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if (!$info || empty($info['player'])) {
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error('登录状态无效，请重新登录', 401);
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}
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$player = $info['player'];
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$db = getDB();
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ensurePayOrdersTable($db);
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// ===== 0.01 元测试档位（固定映射：0.01 元 → 1 债券） =====
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$money = PAY_TEST_MONEY;
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$bonds = PAY_TEST_BONDS;
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$name = PAY_TEST_NAME;
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$outTradeNo = 'RE' . date('YmdHis') . sprintf('%04d', mt_rand(0, 9999));
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$stmt = $db->prepare("INSERT INTO pay_orders (out_trade_no, player_name, tier_id, money, bond_amount, status, name, created_at) VALUES (:no, :p, 0, :m, :b, 'created', :n, :t)");
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$stmt->bindValue(':no', $outTradeNo, SQLITE3_TEXT);
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$stmt->bindValue(':p', $player, SQLITE3_TEXT);
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$stmt->bindValue(':m', $money, SQLITE3_TEXT);
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$stmt->bindValue(':b', $bonds, SQLITE3_INTEGER);
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$stmt->bindValue(':n', $name, SQLITE3_TEXT);
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$stmt->bindValue(':t', time(), SQLITE3_INTEGER);
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$stmt->execute();
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// 构造提交参数（原始值，不做 urlencode；sign 在原始值上计算）
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$params = [
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'pid' => $keys['pid'],
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'type' => 'alipay',
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'out_trade_no'=> $outTradeNo,
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'notify_url' => PAY_NOTIFY_URL,
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'return_url' => PAY_RETURN_URL,
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'name' => $name,
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'money' => $money,
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'param' => $player,
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'timestamp' => (string)time(), // 10位Unix时间戳，单位秒，符合彩虹易支付接口要求
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'sign_type' => PAY_SIGN_TYPE,
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];
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$params['sign'] = buildSign($params, $keys['private_key']);
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// GET 跳转（浏览器跳转付款）。http_build_query 仅做传输层 urlencode，平台解码后还原为原始值参与验签。
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$payUrl = PAY_GATEWAY . '?' . http_build_query($params);
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success([
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'pay_url' => $payUrl,
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'out_trade_no' => $outTradeNo,
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'money' => $money,
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'bonds' => $bonds,
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'player' => $player,
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], '订单创建成功，正在跳转支付');
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}
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// ====================================================================
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// 动作：notify（平台异步回调，必须输出纯文本 success）
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// ====================================================================
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function handleNotify() {
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// 清空输出缓冲，确保最终只输出 success/fail
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while (ob_get_level() > 0) { ob_end_clean(); }
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$params = $_GET;
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debugLog('[pay notify] 收到异步回调', $params);
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$keys = loadPayKeys();
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// 1) 验签（平台公钥）
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if (!verifyNotifySign($params, $keys['public_key'])) {
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debugLog('[pay notify] 验签失败，疑似伪造', ['out_trade_no' => $params['out_trade_no'] ?? '']);
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echo 'fail';
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exit;
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}
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// 2) 交易状态必须是成功
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if (($params['trade_status'] ?? '') !== 'TRADE_SUCCESS') {
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debugLog('[pay notify] 交易状态非成功: ' . ($params['trade_status'] ?? ''), ['out_trade_no' => $params['out_trade_no'] ?? '']);
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// 非成功状态（如 WAIT_BUYER_PAY）返回 fail，让平台继续重试直到成功
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echo 'fail';
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exit;
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}
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$outTradeNo = $params['out_trade_no'] ?? '';
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if ($outTradeNo === '') {
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echo 'fail';
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exit;
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}
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$db = getDB();
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ensurePayOrdersTable($db);
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$stmt = $db->prepare("SELECT * FROM pay_orders WHERE out_trade_no = :no");
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$stmt->bindValue(':no', $outTradeNo, SQLITE3_TEXT);
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$row = $stmt->execute()->fetchArray(SQLITE3_ASSOC);
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if (!$row) {
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debugLog('[pay notify] 订单不存在: ' . $outTradeNo);
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// 订单未知也返回 success，避免平台死循环重试无效通知
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echo 'success';
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exit;
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}
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// 3) 金额校验：回调 money 必须与订单完全一致（防篡改少付多充）
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if (function_exists('bccomp')) {
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$moneyOk = bccomp((string)$row['money'], (string)($params['money'] ?? ''), 2) === 0;
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} else {
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$moneyOk = ((string)$row['money'] === (string)($params['money'] ?? ''));
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}
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if (!$moneyOk) {
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debugLog('[pay notify] 金额不匹配（疑似篡改）', ['order_money' => $row['money'], 'notify_money' => $params['money'] ?? '']);
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echo 'fail';
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exit;
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}
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// 4) 幂等：已支付则直接返回 success，绝不重复写 web_transactions
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if ($row['status'] === 'paid') {
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echo 'success';
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exit;
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}
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// 5) 标记订单已支付
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$stmt = $db->prepare("UPDATE pay_orders SET status='paid', trade_no=:tn, paid_at=:t WHERE out_trade_no=:no");
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$stmt->bindValue(':tn', $params['trade_no'] ?? '', SQLITE3_TEXT);
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$stmt->bindValue(':t', time(), SQLITE3_INTEGER);
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$stmt->bindValue(':no', $outTradeNo, SQLITE3_TEXT);
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$stmt->execute();
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// 6) 写 web_transactions(recharge) 供 Java 高频定时器拉取 → addBonds 到账
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$stmt = $db->prepare("INSERT INTO web_transactions (player_name, type, amount, operator, reason, detail, status, created_at) VALUES (:p, 'recharge', :a, '支付平台', '在线充值(支付宝)', :d, 'pending', :t)");
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$stmt->bindValue(':p', $row['player_name'], SQLITE3_TEXT);
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$stmt->bindValue(':a', (int)$row['bond_amount'], SQLITE3_INTEGER);
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$stmt->bindValue(':d', $outTradeNo, SQLITE3_TEXT);
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$stmt->bindValue(':t', time(), SQLITE3_INTEGER);
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$stmt->execute();
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debugLog('[pay notify] 充值交易已写入', ['player' => $row['player_name'], 'bonds' => $row['bond_amount'], 'out_trade_no' => $outTradeNo]);
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echo 'success';
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exit;
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}
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// ====================================================================
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// 动作：query_order（前端补单 / 轮询）
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// ====================================================================
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function queryOrder($token) {
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$info = validateTokenSilent($token);
|
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if (!$info || empty($info['player'])) {
|
||
error('登录状态无效', 401);
|
||
}
|
||
$outTradeNo = getParam('out_trade_no');
|
||
if (!$outTradeNo) {
|
||
error('缺少订单号');
|
||
}
|
||
$db = getDB();
|
||
ensurePayOrdersTable($db);
|
||
$stmt = $db->prepare("SELECT * FROM pay_orders WHERE out_trade_no=:no AND player_name=:p");
|
||
$stmt->bindValue(':no', $outTradeNo, SQLITE3_TEXT);
|
||
$stmt->bindValue(':p', $info['player'], SQLITE3_TEXT);
|
||
$row = $stmt->execute()->fetchArray(SQLITE3_ASSOC);
|
||
if (!$row) {
|
||
error('订单不存在');
|
||
}
|
||
$status = $row['status'];
|
||
$message = '订单创建中';
|
||
if ($status === 'paid') {
|
||
$message = '已支付，游戏内债券发放中（若未到账请稍候或联系管理员）';
|
||
}
|
||
success([
|
||
'out_trade_no' => $outTradeNo,
|
||
'status' => $status,
|
||
'money' => $row['money'],
|
||
'bonds' => (int)$row['bond_amount'],
|
||
'paid_at' => $row['paid_at'],
|
||
], $message);
|
||
}
|
||
|
||
// ====================================================================
|
||
// 入口分发
|
||
// ====================================================================
|
||
$action = getParam('action', '');
|
||
try {
|
||
switch ($action) {
|
||
case 'create_order':
|
||
createOrder(getParam('token'));
|
||
break;
|
||
case 'notify':
|
||
handleNotify(); // 内部已 exit
|
||
break;
|
||
case 'query_order':
|
||
queryOrder(getParam('token'));
|
||
break;
|
||
default:
|
||
error('未知操作: ' . $action);
|
||
}
|
||
// ★ WAL checkpoint：释放WAL锁，减少 database is locked 概率
|
||
try { walCheckpoint(); } catch (\Throwable $ignored) {}
|
||
} catch (\Throwable $e) {
|
||
if ($action === 'notify') {
|
||
// notify 异常时返回 fail，让平台重试
|
||
while (ob_get_level() > 0) { ob_end_clean(); }
|
||
echo 'fail';
|
||
exit;
|
||
}
|
||
http_response_code(500);
|
||
header('Content-Type: application/json; charset=utf-8');
|
||
echo json_encode(['error' => ['code' => 500, 'message' => 'Internal error: ' . $e->getMessage()]], JSON_UNESCAPED_UNICODE);
|
||
exit;
|
||
}
|