310 lines
14 KiB
Go
310 lines
14 KiB
Go
package game
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import (
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"context"
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"crypto/md5"
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"encoding/hex"
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"encoding/json"
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"strconv"
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"strings"
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"time"
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gamev1 "hyapp.local/api/proto/game/v1"
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"hyapp/pkg/xerr"
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gamedomain "hyapp/services/game-service/internal/domain/game"
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)
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const (
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// 灵仙接口使用 errorCode 作为业务结果，HTTP 成功不代表订单成功。
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leaderccCodeOK = 0
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leaderccCodeTimeout = 4000
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leaderccCodeInsufficientBalance = 4004
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leaderccCodeInvalidArgument = 4005
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leaderccCodeTokenInvalid = 10001
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leaderccCodeRiskRejected = 10002
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leaderccCodeDuplicatedOrder = 10003
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leaderccCodeSignatureInvalid = 10004
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leaderccDefaultTokenTTL = 24 * time.Hour
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)
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// leaderccAdapterConfig 对应后台平台配置里的 adapter_config_json。
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// 目前只放跨环境可调整字段，避免每接一个灵仙游戏或切域名都发版。
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type leaderccAdapterConfig struct {
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// uid_mode 必须和启动 URL、userinfo、change_coin 三处保持一致。
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UIDMode string `json:"uid_mode"`
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DefaultLang string `json:"default_lang"`
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TokenTTLSeconds int64 `json:"token_ttl_seconds"`
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}
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func leaderccConfigFromPlatform(value any) leaderccAdapterConfig {
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// Platform 用于回调，LaunchableGame 用于启动；两处共用同一套 JSON 解析规则。
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var raw string
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switch typed := value.(type) {
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case gamedomain.Platform:
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raw = typed.AdapterConfigJSON
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case gamedomain.LaunchableGame:
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raw = typed.AdapterConfigJSON
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}
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var config leaderccAdapterConfig
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_ = json.Unmarshal([]byte(strings.TrimSpace(raw)), &config)
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config.UIDMode = strings.ToLower(strings.TrimSpace(config.UIDMode))
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config.DefaultLang = strings.TrimSpace(config.DefaultLang)
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return config
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}
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func (c leaderccAdapterConfig) TokenTTL() time.Duration {
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// 灵仙启动后会持续用 token 调后端接口，默认给 24 小时，后台可通过 JSON 覆盖。
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if c.TokenTTLSeconds > 0 {
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return time.Duration(c.TokenTTLSeconds) * time.Second
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}
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return leaderccDefaultTokenTTL
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}
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func (s *Service) handleLeaderCCOperation(ctx context.Context, app string, platform gamedomain.Platform, req *gamev1.CallbackRequest, operation string, requestHash string) ([]byte, string, string, bool, string, error) {
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// 灵仙不做 IP 白名单过滤，来源校验只依赖每个接口的 MD5 签名和 token/session 绑定。
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switch operation {
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// operation 由统一 callback 路由传入，兼容不同命名可以减少网关层特殊分支。
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case "userinfo", "user_info", "get_user_info":
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return s.handleLeaderCCUserInfo(ctx, app, platform, req)
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case "change_coin", "change_balance", "update_coin":
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return s.handleLeaderCCChangeCoin(ctx, app, platform, req, requestHash)
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case "repair_order", "repair", "repair_coin":
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return s.handleLeaderCCRepairOrder(ctx, app, platform, req)
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default:
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raw, contentType := leaderccJSON(leaderccCodeOK, "", map[string]any{})
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return raw, contentType, strconv.Itoa(leaderccCodeOK), false, "", nil
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}
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}
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func (s *Service) handleLeaderCCUserInfo(ctx context.Context, app string, platform gamedomain.Platform, req *gamev1.CallbackRequest) ([]byte, string, string, bool, string, error) {
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// userinfo 签名顺序来自灵仙文档：gameId + uid + token + roomId + key。
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var body struct {
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GameID string `json:"gameId"`
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UID string `json:"uid"`
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Token string `json:"token"`
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RoomID string `json:"roomId"`
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Sign string `json:"sign"`
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}
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if err := decodeLeaderCCJSON(req.GetRawBody(), &body); err != nil {
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return leaderccAdapterError(leaderccCodeInvalidArgument, "invalid payload", false, "")
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}
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// key 存在 callback_secret 字段里；后台不回显明文，更新时才覆盖。
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if !leaderccSignValid(body.Sign, platform.CallbackSecretCiphertext, body.GameID, body.UID, body.Token, body.RoomID) {
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return leaderccAdapterError(leaderccCodeSignatureInvalid, "signature invalid", false, "")
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}
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config := leaderccConfigFromPlatform(platform)
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session, err := s.validLeaderCCSession(ctx, app, body.Token)
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// token 通过后仍要校验 uid/gameId，防止合法 token 被跨玩家或跨游戏复用。
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if err != nil || !leaderccSessionMatches(session, config, body.UID, body.GameID) {
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return leaderccAdapterError(leaderccCodeTokenInvalid, "token invalid", true, "")
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}
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snapshot, err := s.yomiUserSnapshot(ctx, app, req, session.UserID)
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if err != nil {
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return leaderccAdapterError(leaderccCodeFromError(err), leaderccMessageFromError(err), true, "")
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}
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raw, contentType := leaderccJSON(leaderccCodeOK, "", map[string]any{
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// 灵仙字段名是 coin；这里直接返回钱包可用 COIN，避免在适配器层引入换算。
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"uid": body.UID,
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"nickname": snapshot.Nickname,
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"avatar": snapshot.Avatar,
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"coin": snapshot.Balance,
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})
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return raw, contentType, strconv.Itoa(leaderccCodeOK), true, "", nil
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}
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func (s *Service) handleLeaderCCChangeCoin(ctx context.Context, app string, platform gamedomain.Platform, req *gamev1.CallbackRequest, requestHash string) ([]byte, string, string, bool, string, error) {
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// change_coin 是灵仙唯一改账入口；orderId 是幂等键，roundId 用来关联同一轮投注/返奖。
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var body struct {
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OrderID string `json:"orderId"`
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GameID string `json:"gameId"`
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RoundID string `json:"roundId"`
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UID string `json:"uid"`
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Coin int64 `json:"coin"`
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Type int32 `json:"type"`
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RewardType int32 `json:"rewardType"`
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Token string `json:"token"`
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WinID string `json:"winId"`
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RoomID string `json:"roomId"`
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Sign string `json:"sign"`
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}
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if err := decodeLeaderCCJSON(req.GetRawBody(), &body); err != nil {
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return leaderccAdapterError(leaderccCodeInvalidArgument, "invalid payload", false, "")
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}
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providerOrderID := strings.TrimSpace(body.OrderID)
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// 文档签名顺序：orderId + gameId + roundId + uid + coin + type + rewardType + token + winId + roomId + key。
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if !leaderccSignValid(body.Sign, platform.CallbackSecretCiphertext, body.OrderID, body.GameID, body.RoundID, body.UID, strconv.FormatInt(body.Coin, 10), strconv.FormatInt(int64(body.Type), 10), strconv.FormatInt(int64(body.RewardType), 10), body.Token, body.WinID, body.RoomID) {
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return leaderccAdapterError(leaderccCodeSignatureInvalid, "signature invalid", false, providerOrderID)
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}
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config := leaderccConfigFromPlatform(platform)
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session, err := s.validLeaderCCSession(ctx, app, body.Token)
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// 灵仙 change_coin 既带 token 又带 uid/gameId，三者都必须命中同一条启动会话。
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if err != nil || !leaderccSessionMatches(session, config, body.UID, body.GameID) {
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return leaderccAdapterError(leaderccCodeTokenInvalid, "token invalid", true, providerOrderID)
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}
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opType := leaderccOpType(body.Type)
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// type=1 扣款、type=2 加款；coin=0 没有实际改账，但仍会按幂等订单记成功。
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if providerOrderID == "" || opType == "" || body.Coin < 0 {
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return leaderccAdapterError(leaderccCodeInvalidArgument, "invalid payload", true, providerOrderID)
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}
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// 钱包改账和幂等逻辑与 Yomi 一致，厂商差异只停留在签名和字段映射层。
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result, err := s.applyYomiCoinChange(ctx, app, req, session, providerOrderID, body.RoundID, opType, body.Coin, body.RoomID, requestHash)
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if err != nil {
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// 灵仙余额不足需要返回 4004；其它内部错误在 leaderccCodeFromError 里统一映射。
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code := leaderccCodeFromError(err)
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message := leaderccMessageFromError(err)
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balance := s.bestEffortCoinBalance(ctx, app, req.GetMeta().GetRequestId(), session.UserID)
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raw, contentType := leaderccJSON(code, message, map[string]any{"coin": balance})
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return raw, contentType, strconv.Itoa(code), true, providerOrderID, nil
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}
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raw, contentType := leaderccJSON(leaderccCodeOK, "", map[string]any{"coin": result.BalanceAfter})
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return raw, contentType, strconv.Itoa(leaderccCodeOK), true, providerOrderID, nil
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}
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func (s *Service) handleLeaderCCRepairOrder(ctx context.Context, app string, platform gamedomain.Platform, req *gamev1.CallbackRequest) ([]byte, string, string, bool, string, error) {
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// 补单接口必须提供给厂商，但当前阶段只记录，不自动加钱，避免绕过钱包订单幂等。
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var body struct {
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OrderID string `json:"orderId"`
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GameID string `json:"gameId"`
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RoundID string `json:"roundId"`
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UID string `json:"uid"`
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Coin int64 `json:"coin"`
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RewardType int32 `json:"rewardType"`
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WinID string `json:"winId"`
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RoomID string `json:"roomId"`
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Sign string `json:"sign"`
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}
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if err := decodeLeaderCCJSON(req.GetRawBody(), &body); err != nil {
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return leaderccAdapterError(leaderccCodeInvalidArgument, "invalid payload", false, "")
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}
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providerOrderID := strings.TrimSpace(body.OrderID)
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// 文档签名顺序：orderId + gameId + roundId + uid + coin + rewardType + winId + roomId + key。
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if !leaderccSignValid(body.Sign, platform.CallbackSecretCiphertext, body.OrderID, body.GameID, body.RoundID, body.UID, strconv.FormatInt(body.Coin, 10), strconv.FormatInt(int64(body.RewardType), 10), body.WinID, body.RoomID) {
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return leaderccAdapterError(leaderccCodeSignatureInvalid, "signature invalid", false, providerOrderID)
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}
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if providerOrderID == "" || strings.TrimSpace(body.GameID) == "" || strings.TrimSpace(body.UID) == "" || body.Coin < 0 {
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return leaderccAdapterError(leaderccCodeInvalidArgument, "invalid payload", true, providerOrderID)
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}
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// repair_id 稳定派生，厂商重复补单会命中唯一索引并保持幂等。
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_, _, err := s.repository.CreateRepairOrder(ctx, gamedomain.RepairOrder{
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AppCode: app,
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RepairID: "grep_" + stableHash(app+"|"+platform.PlatformCode+"|"+providerOrderID),
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PlatformCode: platform.PlatformCode,
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ProviderOrderID: providerOrderID,
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Reason: "leadercc_repair_order",
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Status: gamedomain.RepairStatusLogged,
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})
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if err != nil {
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return leaderccAdapterError(leaderccCodeFromError(err), leaderccMessageFromError(err), true, providerOrderID)
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}
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raw, contentType := leaderccJSON(leaderccCodeOK, "", map[string]any{})
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return raw, contentType, strconv.Itoa(leaderccCodeOK), true, providerOrderID, nil
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}
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func (s *Service) validLeaderCCSession(ctx context.Context, app string, token string) (gamedomain.LaunchSession, error) {
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// 灵仙和 Yomi 都复用 game_launch_sessions；差异在字段名，不在 token 存储方式。
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session, err := s.validYomiSession(ctx, app, token)
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if err != nil {
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return gamedomain.LaunchSession{}, err
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}
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return session, nil
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}
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func leaderccSessionMatches(session gamedomain.LaunchSession, config leaderccAdapterConfig, uid string, gameID string) bool {
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// gameId 对应内部目录里的 provider_game_id；uid 取值由 uid_mode 决定。
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if strings.TrimSpace(gameID) != "" && strings.TrimSpace(gameID) != strings.TrimSpace(session.ProviderGameID) {
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return false
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}
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return strings.TrimSpace(uid) == externalUserID(session, config.UIDMode)
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}
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func leaderccOpType(value int32) string {
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// 厂商枚举在适配器内结束，下游钱包只认识 debit/credit。
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switch value {
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case 1:
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return "debit"
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case 2:
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return "credit"
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default:
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return ""
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}
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}
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func decodeLeaderCCJSON(raw []byte, out any) error {
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// UseNumber 保持大订单号/局号不被 JSON float64 解析损坏，虽然当前结构体多数字段是 string。
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decoder := json.NewDecoder(strings.NewReader(string(raw)))
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decoder.UseNumber()
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return decoder.Decode(out)
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}
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func leaderccSignValid(actual string, key string, parts ...string) bool {
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// 灵仙签名是“按文档字段顺序拼接所有字段 + key”后取 MD5 小写 hex。
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key = strings.TrimSpace(key)
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if key == "" {
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return false
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}
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joined := strings.Builder{}
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for _, part := range parts {
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// 厂商样例没有分隔符；这里 trim 只清理传输空白，不改变字段顺序。
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joined.WriteString(strings.TrimSpace(part))
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}
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joined.WriteString(key)
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sum := md5.Sum([]byte(joined.String()))
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expected := hex.EncodeToString(sum[:])
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return strings.EqualFold(strings.TrimSpace(actual), expected)
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}
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func leaderccAdapterError(code int, message string, signatureValid bool, providerRequestID string) ([]byte, string, string, bool, string, error) {
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// signatureValid/providerRequestID 会写入 callback log，帮助后续排查签名和重复订单问题。
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raw, contentType := leaderccJSON(code, message, map[string]any{})
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return raw, contentType, strconv.Itoa(code), signatureValid, providerRequestID, nil
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}
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func leaderccJSON(errorCode int, message string, data any) ([]byte, string) {
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// 灵仙成功可以不带 message；失败时带 message 方便联调定位。
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payload := map[string]any{"errorCode": errorCode}
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if data != nil {
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payload["data"] = data
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}
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if strings.TrimSpace(message) != "" {
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payload["message"] = message
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}
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return jsonResponse(payload)
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}
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func leaderccCodeFromError(err error) int {
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// 内部错误码只在适配器边界映射为灵仙错误码，业务层不依赖厂商语义。
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switch {
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case err == nil:
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return leaderccCodeOK
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case xerr.IsCode(err, xerr.InsufficientBalance):
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return leaderccCodeInsufficientBalance
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case xerr.IsCode(err, xerr.SessionExpired), xerr.IsCode(err, xerr.Unauthorized):
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return leaderccCodeTokenInvalid
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case xerr.IsCode(err, xerr.IdempotencyConflict):
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return leaderccCodeDuplicatedOrder
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case xerr.IsCode(err, xerr.Unavailable):
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return leaderccCodeTimeout
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default:
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return leaderccCodeInvalidArgument
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}
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}
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func leaderccMessageFromError(err error) string {
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switch leaderccCodeFromError(err) {
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case leaderccCodeInsufficientBalance:
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return "coin not enough"
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case leaderccCodeTokenInvalid:
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return "token invalid"
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case leaderccCodeDuplicatedOrder:
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return "duplicated order"
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case leaderccCodeTimeout:
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return "network timeout"
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default:
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if err != nil && strings.TrimSpace(xerr.MessageOf(err)) != "" {
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return xerr.MessageOf(err)
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}
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return "invalid argument"
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}
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}
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