508 lines
20 KiB
Go
508 lines
20 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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"fmt"
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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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// BAISHUN 文档定义 code=0 成功；余额不足固定 1008，签名错误固定 1003。
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baishunCodeOK = 0
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baishunCodeInvalidData = 1001
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baishunCodeReadDataFailed = 1002
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baishunCodeSignatureInvalid = 1003
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baishunCodeInsufficientBalance = 1008
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baishunCodeGameMaintenance = 1019
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baishunCodeAPIServerError = 1021
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baishunCodeIPRestricted = 1023
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baishunDefaultTokenTTL = 24 * time.Hour
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baishunSignatureValidWindow = 15 * time.Second
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baishunDefaultSuccessMessage = "succeed"
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)
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type baishunAdapterConfig struct {
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// app_id/app_channel/app_key 均来自百顺后台；app_key 存在平台 callbackSecret 中。
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AppID int64 `json:"app_id"`
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AppIDAlias int64 `json:"appId"`
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AppChannel string `json:"app_channel"`
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AppChannelAlias string `json:"appChannel"`
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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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// 以下字段是 NativeBridge.getConfig 需要返回给 H5 的配置，同时也会拼在启动 URL query 中给壳层复用。
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GameMode baishunGameModeValue `json:"game_mode"`
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SceneMode int64 `json:"scene_mode"`
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CurrencyIcon string `json:"currency_icon"`
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GSP int64 `json:"gsp"`
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// 可选用户管控字段；配置后会随 get_sstoken/get_user_info 一起返回给百顺。
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UserType int `json:"user_type"`
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ReleaseCond int `json:"release_cond"`
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IsOldUser *bool `json:"is_old_user"`
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Extend string `json:"extend"`
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// game_urls 支持同一个百顺商户下不同 game_id 使用不同 download_url。
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GameURLs map[string]string `json:"game_urls"`
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LaunchURLTemplate string `json:"launch_url_template"`
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}
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func baishunConfigFromPlatform(value any) baishunAdapterConfig {
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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 baishunAdapterConfig
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_ = json.Unmarshal([]byte(strings.TrimSpace(raw)), &config)
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if config.AppID == 0 {
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config.AppID = config.AppIDAlias
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}
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if strings.TrimSpace(config.AppChannel) == "" {
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config.AppChannel = config.AppChannelAlias
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}
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config.AppChannel = strings.TrimSpace(config.AppChannel)
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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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config.GameMode = baishunGameModeValue(strings.TrimSpace(string(config.GameMode)))
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config.CurrencyIcon = strings.TrimSpace(config.CurrencyIcon)
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config.Extend = strings.TrimSpace(config.Extend)
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config.LaunchURLTemplate = strings.TrimSpace(config.LaunchURLTemplate)
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config.GameURLs = normalizeStringMap(config.GameURLs)
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return config
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}
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func (c baishunAdapterConfig) TokenTTL() time.Duration {
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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 baishunDefaultTokenTTL
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}
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func (c baishunAdapterConfig) LanguageValue() string {
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if c.DefaultLang != "" {
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return c.DefaultLang
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}
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return "2"
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}
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func (c baishunAdapterConfig) GameModeValue() string {
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if c.GameMode != "" {
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return string(c.GameMode)
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}
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return "3"
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}
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type baishunGameModeValue string
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func (v *baishunGameModeValue) UnmarshalJSON(raw []byte) error {
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// 后台适配器配置是自由 JSON，历史上既可能保存 "2"，也可能保存 2。
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// 百顺启动 query 最终只需要文本值；在配置入口归一，避免数字类型被 Go string 字段吞掉后误走默认 gameMode=3。
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decoder := json.NewDecoder(strings.NewReader(strings.TrimSpace(string(raw))))
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decoder.UseNumber()
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var value any
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if err := decoder.Decode(&value); err != nil {
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return err
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}
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switch typed := value.(type) {
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case nil:
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*v = ""
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case string:
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*v = baishunGameModeValue(strings.TrimSpace(typed))
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case json.Number:
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*v = baishunGameModeValue(strings.TrimSpace(typed.String()))
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default:
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// 复杂类型不是百顺协议值；按未配置处理，保留默认值兜底，同时不影响同一 JSON 中其它配置解析。
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*v = ""
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}
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return nil
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}
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func baishunLaunchBaseURL(game gamedomain.LaunchableGame, config baishunAdapterConfig) string {
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for _, key := range []string{game.ProviderGameID, game.GameID, strings.ToLower(game.GameID)} {
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if raw := strings.TrimSpace(config.GameURLs[strings.TrimSpace(key)]); raw != "" {
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return raw
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}
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}
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if config.LaunchURLTemplate == "" {
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return ""
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}
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replacer := strings.NewReplacer(
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"{provider_game_id}", strings.TrimSpace(game.ProviderGameID),
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"{providerGameId}", strings.TrimSpace(game.ProviderGameID),
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"{game_id}", strings.TrimSpace(game.GameID),
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"{gameId}", strings.TrimSpace(game.GameID),
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)
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return strings.TrimSpace(replacer.Replace(config.LaunchURLTemplate))
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}
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func (s *Service) handleBaishunOperation(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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if !callbackIPAllowed(req, platform.CallbackIPWhitelist) {
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeIPRestricted, "ip restricted", map[string]any{})
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return raw, contentType, strconv.Itoa(baishunCodeIPRestricted), false, "", nil
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}
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config := baishunConfigFromPlatform(platform)
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body, signed, decoded, providerRequestID := s.decodeBaishunBody(req, platform.CallbackSecretCiphertext)
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if !signed {
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeSignatureInvalid, "signature invalid", map[string]any{})
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return raw, contentType, strconv.Itoa(baishunCodeSignatureInvalid), false, providerRequestID, nil
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}
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if !decoded {
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "invalid data", map[string]any{})
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return raw, contentType, strconv.Itoa(baishunCodeInvalidData), signed, providerRequestID, nil
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}
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if err := validateBaishunAppID(config, body.AppIDInt64()); err != nil {
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "invalid app_id", map[string]any{})
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return raw, contentType, strconv.Itoa(baishunCodeInvalidData), signed, providerRequestID, nil
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}
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switch operation {
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case "get_sstoken", "getsstoken", "sstoken", "api/get_sstoken":
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return s.handleBaishunGetSSToken(ctx, app, config, req, body)
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case "get_user_info", "userinfo", "user_info", "api/get_user_info":
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return s.handleBaishunUserInfo(ctx, app, config, req, body)
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case "update_sstoken", "updatesstoken", "refresh_sstoken", "api/update_sstoken":
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return s.handleBaishunUpdateSSToken(ctx, app, config, req, body)
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case "change_balance", "changebalance", "api/change_balance":
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return s.handleBaishunChangeBalance(ctx, app, config, req, body, requestHash)
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default:
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeOK, baishunDefaultSuccessMessage, map[string]any{})
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return raw, contentType, strconv.Itoa(baishunCodeOK), signed, providerRequestID, nil
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}
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}
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type baishunBody struct {
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AppID json.Number `json:"app_id"`
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UserID string `json:"user_id"`
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Code string `json:"code"`
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SSToken string `json:"ss_token"`
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ClientIP string `json:"client_ip"`
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GameID json.Number `json:"game_id"`
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CurrencyDiff int64 `json:"currency_diff"`
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DiffMsg string `json:"diff_msg"`
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GameRoundID string `json:"game_round_id"`
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RoomID string `json:"room_id"`
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ChangeTimeAt int64 `json:"change_time_at"`
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OrderID string `json:"order_id"`
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Extend string `json:"extend"`
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MsgType string `json:"msg_type"`
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CurrencyType json.Number `json:"currency_type"`
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SignatureNonce string `json:"signature_nonce"`
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Timestamp int64 `json:"timestamp"`
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Signature string `json:"signature"`
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ProviderName string `json:"provider_name"`
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}
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func (s *Service) decodeBaishunBody(req *gamev1.CallbackRequest, secret string) (baishunBody, bool, bool, string) {
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var body baishunBody
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decoder := json.NewDecoder(strings.NewReader(string(req.GetRawBody())))
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decoder.UseNumber()
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if err := decoder.Decode(&body); err != nil {
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return baishunBody{}, false, false, ""
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}
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body.normalize()
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providerRequestID := strings.TrimSpace(body.OrderID)
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if !s.baishunSignatureValid(body, secret) {
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return baishunBody{}, false, true, providerRequestID
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}
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return body, true, true, providerRequestID
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}
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func (s *Service) baishunSignatureValid(body baishunBody, secret string) bool {
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secret = strings.TrimSpace(secret)
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if secret == "" || body.SignatureNonce == "" || body.Timestamp <= 0 {
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return false
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}
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requestAt := time.Unix(body.Timestamp, 0)
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now := s.now()
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if requestAt.After(now.Add(baishunSignatureValidWindow)) || now.Sub(requestAt) > baishunSignatureValidWindow {
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return false
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}
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raw := fmt.Sprintf("%s%s%d", body.SignatureNonce, secret, body.Timestamp)
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sum := md5.Sum([]byte(raw))
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if !strings.EqualFold(body.Signature, hex.EncodeToString(sum[:])) {
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return false
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}
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// 文档要求 signature_nonce 在 15 秒窗口内不可重复；这里做单进程防重放，多节点严格一致需接共享缓存。
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if !s.rememberSignatureNonce(gamedomain.AdapterBaishunV1, body.SignatureNonce, requestAt, baishunSignatureValidWindow) {
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return false
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}
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return true
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}
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func (body *baishunBody) normalize() {
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body.UserID = strings.TrimSpace(body.UserID)
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body.Code = strings.TrimSpace(body.Code)
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body.SSToken = strings.TrimSpace(body.SSToken)
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body.ClientIP = strings.TrimSpace(body.ClientIP)
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body.DiffMsg = strings.ToLower(strings.TrimSpace(body.DiffMsg))
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body.GameRoundID = strings.TrimSpace(body.GameRoundID)
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body.RoomID = strings.TrimSpace(body.RoomID)
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body.OrderID = strings.TrimSpace(body.OrderID)
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body.Extend = strings.TrimSpace(body.Extend)
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body.MsgType = strings.TrimSpace(body.MsgType)
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body.SignatureNonce = strings.TrimSpace(body.SignatureNonce)
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body.Signature = strings.TrimSpace(body.Signature)
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body.ProviderName = strings.TrimSpace(body.ProviderName)
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}
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func (body baishunBody) AppIDInt64() int64 {
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value, _ := strconv.ParseInt(strings.TrimSpace(body.AppID.String()), 10, 64)
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return value
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}
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func (body baishunBody) GameIDInt64() int64 {
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value, _ := strconv.ParseInt(strings.TrimSpace(body.GameID.String()), 10, 64)
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return value
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}
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func validateBaishunAppID(config baishunAdapterConfig, appID int64) error {
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if appID <= 0 {
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return xerr.New(xerr.InvalidArgument, "app_id required")
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}
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if config.AppID > 0 && appID != config.AppID {
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return xerr.New(xerr.InvalidArgument, "app_id mismatch")
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}
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return nil
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}
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func (s *Service) handleBaishunGetSSToken(ctx context.Context, app string, config baishunAdapterConfig, req *gamev1.CallbackRequest, body baishunBody) ([]byte, string, string, bool, string, error) {
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if body.UserID == "" || body.Code == "" {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "invalid data", true, "")
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}
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session, err := s.validBaishunSession(ctx, app, body.Code)
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if err != nil || !baishunSessionMatches(session, config, body.UserID, 0) {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "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 baishunAdapterError(req.GetMeta().GetRequestId(), baishunUserSnapshotCodeFromError(err), baishunUserSnapshotMessageFromError(err), true, "")
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}
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response := map[string]any{
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"code": baishunCodeOK,
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"message": baishunDefaultSuccessMessage,
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"unique_id": baishunUniqueID(req.GetMeta().GetRequestId()),
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"data": map[string]any{
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"ss_token": body.Code,
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"expire_date": session.ExpiresAtMS,
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},
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"user_info": baishunUserInfoData(session, config, snapshot),
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}
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raw, contentType := jsonResponse(response)
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return raw, contentType, strconv.Itoa(baishunCodeOK), true, "", nil
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}
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func (s *Service) handleBaishunUserInfo(ctx context.Context, app string, config baishunAdapterConfig, req *gamev1.CallbackRequest, body baishunBody) ([]byte, string, string, bool, string, error) {
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if body.UserID == "" || body.SSToken == "" {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "invalid data", true, "")
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}
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session, err := s.validBaishunSession(ctx, app, body.SSToken)
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if err != nil || !baishunSessionMatches(session, config, body.UserID, body.GameIDInt64()) {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "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 baishunAdapterError(req.GetMeta().GetRequestId(), baishunUserSnapshotCodeFromError(err), baishunUserSnapshotMessageFromError(err), true, "")
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}
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeOK, baishunDefaultSuccessMessage, baishunUserInfoData(session, config, snapshot))
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return raw, contentType, strconv.Itoa(baishunCodeOK), true, "", nil
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}
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func (s *Service) handleBaishunUpdateSSToken(ctx context.Context, app string, config baishunAdapterConfig, req *gamev1.CallbackRequest, body baishunBody) ([]byte, string, string, bool, string, error) {
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if body.UserID == "" || body.SSToken == "" {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "invalid data", true, "")
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}
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session, err := s.validBaishunSession(ctx, app, body.SSToken)
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if err != nil || !baishunSessionMatches(session, config, body.UserID, body.GameIDInt64()) {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "token invalid", true, "")
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}
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeOK, baishunDefaultSuccessMessage, map[string]any{
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"ss_token": body.SSToken,
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"expire_date": session.ExpiresAtMS,
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})
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return raw, contentType, strconv.Itoa(baishunCodeOK), true, "", nil
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}
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func (s *Service) handleBaishunChangeBalance(ctx context.Context, app string, config baishunAdapterConfig, req *gamev1.CallbackRequest, body baishunBody, requestHash string) ([]byte, string, string, bool, string, error) {
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if body.UserID == "" || body.SSToken == "" || body.OrderID == "" || body.GameIDInt64() <= 0 || body.DiffMsg == "" {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "invalid data", true, body.OrderID)
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}
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session, err := s.validBaishunSession(ctx, app, body.SSToken)
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if err != nil || !baishunSessionMatches(session, config, body.UserID, body.GameIDInt64()) {
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return baishunAdapterError(req.GetMeta().GetRequestId(), baishunCodeInvalidData, "token invalid", true, body.OrderID)
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}
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if session.ProviderGameID == "" {
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session.ProviderGameID = strconv.FormatInt(body.GameIDInt64(), 10)
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}
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if session.GameID == "" {
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session.GameID = session.ProviderGameID
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}
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opType, amount := baishunOpType(body.CurrencyDiff)
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result, err := s.applyYomiCoinChange(ctx, app, req, session, body.OrderID, body.GameRoundID, opType, amount, body.RoomID, requestHash)
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if err != nil {
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code := baishunCodeFromError(err)
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balance := s.bestEffortCoinBalance(ctx, app, req.GetMeta().GetRequestId(), session.UserID)
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), code, baishunMessageFromError(err), baishunChangeBalanceData(balance, body.Extend))
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return raw, contentType, strconv.Itoa(code), true, body.OrderID, nil
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}
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raw, contentType := baishunJSON(req.GetMeta().GetRequestId(), baishunCodeOK, baishunDefaultSuccessMessage, baishunChangeBalanceData(result.BalanceAfter, body.Extend))
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return raw, contentType, strconv.Itoa(baishunCodeOK), true, body.OrderID, nil
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}
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func (s *Service) validBaishunSession(ctx context.Context, app string, token string) (gamedomain.LaunchSession, error) {
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token = strings.TrimSpace(token)
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if token == "" {
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return gamedomain.LaunchSession{}, xerr.New(xerr.Unauthorized, "token invalid")
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}
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// 百顺的 ss_token 直接复用 App access token；同一个登录 token 可能打开多款百顺游戏。
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// JWT 必须优先解析，否则会先命中旧启动会话的 hash，并被旧 provider_game_id 误判为跨游戏复用。
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if strings.Count(token, ".") == 2 {
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if session, err := s.appSessionFromAccessToken(app, token); err == nil {
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return session, nil
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}
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}
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if session, err := s.validYomiSession(ctx, app, token); err == nil {
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return session, nil
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}
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if strings.Count(token, ".") == 2 {
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return s.appSessionFromAccessToken(app, token)
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}
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return gamedomain.LaunchSession{}, xerr.New(xerr.Unauthorized, "token invalid")
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}
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func baishunSessionMatches(session gamedomain.LaunchSession, config baishunAdapterConfig, userID string, gameID int64) bool {
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if gameID > 0 && strings.TrimSpace(session.ProviderGameID) != "" && strconv.FormatInt(gameID, 10) != strings.TrimSpace(session.ProviderGameID) {
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return false
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}
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userID = strings.TrimSpace(userID)
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return userID == externalUserID(session, config.UIDMode) ||
|
||
userID == strings.TrimSpace(session.DisplayUserID) ||
|
||
userID == strconv.FormatInt(session.UserID, 10)
|
||
}
|
||
|
||
func baishunOpType(diff int64) (string, int64) {
|
||
if diff < 0 {
|
||
return "debit", -diff
|
||
}
|
||
return "credit", diff
|
||
}
|
||
|
||
func baishunUserInfoData(session gamedomain.LaunchSession, config baishunAdapterConfig, snapshot yomiUserSnapshot) map[string]any {
|
||
data := map[string]any{
|
||
"user_id": externalUserID(session, config.UIDMode),
|
||
"user_name": snapshot.Nickname,
|
||
"user_avatar": snapshot.Avatar,
|
||
"balance": snapshot.Balance,
|
||
}
|
||
if config.UserType > 0 {
|
||
data["user_type"] = config.UserType
|
||
}
|
||
if config.ReleaseCond >= 0 && config.UserType > 0 {
|
||
data["release_cond"] = config.ReleaseCond
|
||
}
|
||
if config.IsOldUser != nil {
|
||
data["is_old_user"] = *config.IsOldUser
|
||
}
|
||
if config.Extend != "" {
|
||
data["extend"] = config.Extend
|
||
}
|
||
return data
|
||
}
|
||
|
||
func baishunChangeBalanceData(balance int64, extend string) map[string]any {
|
||
data := map[string]any{"currency_balance": balance}
|
||
if strings.TrimSpace(extend) != "" {
|
||
data["extend"] = strings.TrimSpace(extend)
|
||
}
|
||
return data
|
||
}
|
||
|
||
func baishunAdapterError(uniqueID string, code int, message string, signatureValid bool, providerRequestID string) ([]byte, string, string, bool, string, error) {
|
||
raw, contentType := baishunJSON(uniqueID, code, message, map[string]any{})
|
||
return raw, contentType, strconv.Itoa(code), signatureValid, providerRequestID, nil
|
||
}
|
||
|
||
func baishunJSON(uniqueID string, code int, message string, data any) ([]byte, string) {
|
||
if strings.TrimSpace(message) == "" && code == baishunCodeOK {
|
||
message = baishunDefaultSuccessMessage
|
||
}
|
||
if data == nil {
|
||
data = map[string]any{}
|
||
}
|
||
return jsonResponse(map[string]any{
|
||
"code": code,
|
||
"message": strings.TrimSpace(message),
|
||
"unique_id": baishunUniqueID(uniqueID),
|
||
"data": data,
|
||
})
|
||
}
|
||
|
||
func baishunUniqueID(value string) string {
|
||
value = strings.TrimSpace(value)
|
||
if value != "" {
|
||
return value
|
||
}
|
||
return strconv.FormatInt(time.Now().UnixNano(), 10)
|
||
}
|
||
|
||
func baishunCodeFromError(err error) int {
|
||
switch {
|
||
case err == nil:
|
||
return baishunCodeOK
|
||
case xerr.IsCode(err, xerr.InsufficientBalance):
|
||
return baishunCodeInsufficientBalance
|
||
case xerr.IsCode(err, xerr.SessionExpired), xerr.IsCode(err, xerr.Unauthorized), xerr.IsCode(err, xerr.InvalidArgument):
|
||
return baishunCodeInvalidData
|
||
case xerr.IsCode(err, xerr.NotFound):
|
||
return baishunCodeReadDataFailed
|
||
case xerr.IsCode(err, xerr.Conflict):
|
||
return baishunCodeGameMaintenance
|
||
default:
|
||
return baishunCodeAPIServerError
|
||
}
|
||
}
|
||
|
||
func baishunMessageFromError(err error) string {
|
||
switch baishunCodeFromError(err) {
|
||
case baishunCodeInsufficientBalance:
|
||
return "coin not enough"
|
||
case baishunCodeInvalidData:
|
||
return "invalid data"
|
||
case baishunCodeReadDataFailed:
|
||
return "read data failed"
|
||
case baishunCodeGameMaintenance:
|
||
return "game maintenance"
|
||
default:
|
||
if err != nil && strings.TrimSpace(xerr.MessageOf(err)) != "" {
|
||
return xerr.MessageOf(err)
|
||
}
|
||
return "api server error"
|
||
}
|
||
}
|
||
|
||
func baishunUserSnapshotCodeFromError(err error) int {
|
||
if xerr.IsCode(err, xerr.NotFound) {
|
||
return baishunCodeInvalidData
|
||
}
|
||
return baishunCodeFromError(err)
|
||
}
|
||
|
||
func baishunUserSnapshotMessageFromError(err error) string {
|
||
if xerr.IsCode(err, xerr.NotFound) {
|
||
return "token invalid"
|
||
}
|
||
return baishunMessageFromError(err)
|
||
}
|