Claude Opus 4.7
@@ -0,0 +1,194 @@
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package useragent
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import (
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"context"
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"net/url"
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"strings"
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"videoweb/pub/common/enum/consts"
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"videoweb/pub/common/log"
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"github.com/gin-gonic/gin"
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)
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type UA struct {
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UserAgent string
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DevID string
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DevType string
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SysType string
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Ver string
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BuildID string
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SystemName string
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SystemVersion string
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DeviceBrand string
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DeviceModel string
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SessionID string
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SDKCommon *SDKCommonFields // SDK 公共参数独立保存，不能与原业务 UA 字段混用。
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RequestPath string // 仅用于定位埋点参数缺失的业务接口。
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}
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func IsH5(sysType string) bool {
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if sysType == consts.H5IOS || sysType == consts.H5Android || sysType == consts.H5PC || sysType == consts.H5 || sysType == consts.Light {
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return true
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}
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return false
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}
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func (s UA) IsH5() bool {
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return IsH5(s.SysType)
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}
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// FromContext 读取当前请求已经解析好的 UA。下单要在请求结束前把这份值存进订单。
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func FromContext(ctx context.Context) UA {
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if ctx == nil {
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return UA{}
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}
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if c, ok := ctx.(*gin.Context); ok {
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if value, exists := c.Get(consts.CtxUA); exists {
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if ua, ok := value.(UA); ok {
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return ua
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}
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}
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}
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if value := ctx.Value(consts.CtxUA); value != nil {
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if ua, ok := value.(UA); ok {
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return ua
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}
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}
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return UA{}
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}
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func UserAgent(c *gin.Context) {
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var uastr string
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ua := UA{RequestPath: c.FullPath()}
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var sdkErr error
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ua.SDKCommon, sdkErr = ParseSDKCommonHeader(c.GetHeader(SDKCommonHeader))
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if sdkErr != nil {
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log.Error("【SDK公共参数解析失败】UserAgent", log.Any("接口", ua.RequestPath), log.E(sdkErr))
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}
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ua.SessionID = c.GetHeader("sid")
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userAgent := c.GetHeader("X-User-Agent") // 兼容 H5 UserAgent
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if userAgent == "" {
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userAgent = c.Request.UserAgent()
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}
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c.Set(consts.CtxUAH5, c.Request.UserAgent())
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if userAgent != "" {
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decodeUa, err := url.QueryUnescape(userAgent)
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if err != nil {
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log.Warn("URLDecode user-agent error", log.Any("ua", userAgent))
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uastr = userAgent
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} else {
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uastr = decodeUa
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}
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uas := strings.Split(uastr, ";")
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for _, v := range uas {
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segment := strings.TrimSpace(v)
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if segment == "" {
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continue
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}
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vss := strings.SplitN(segment, "=", 2)
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if len(vss) < 2 {
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continue
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}
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key := strings.TrimSpace(vss[0])
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value := strings.TrimSpace(vss[1])
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lowerKey := strings.ToLower(key)
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switch lowerKey {
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case "devid":
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ua.DevID = value
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c.Set(consts.CtxDevId, ua.DevID)
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case "devtype":
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ua.DevType = value
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c.Set(consts.CtxDevType, ua.DevType)
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case "systype":
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inputSysType := strings.ToLower(strings.TrimSpace(value))
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switch {
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case strings.Contains(inputSysType, "h5_android"):
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ua.SysType = consts.H5Android
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case strings.Contains(inputSysType, "h5_ios"):
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ua.SysType = consts.H5IOS
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case strings.Contains(inputSysType, "h5_pc"):
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ua.SysType = consts.H5PC
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case strings.Contains(inputSysType, "android"):
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ua.SysType = consts.Android
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case strings.Contains(inputSysType, "ios"):
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ua.SysType = consts.IOS
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case strings.Contains(inputSysType, "h5"):
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ua.SysType = consts.H5
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case strings.Contains(inputSysType, "pc"):
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ua.SysType = consts.PC
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case strings.Contains(inputSysType, "light"):
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ua.SysType = consts.Light
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}
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c.Set(consts.CtxSysType, ua.SysType)
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case "ver":
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ua.Ver = value
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c.Set(consts.CtxVersion, ua.Ver)
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case "buildid":
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ua.BuildID = value
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c.Set(consts.CtxBuildId, ua.BuildID)
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case "system_name", "system-name", "systemname":
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if ua.SystemName == "" {
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ua.SystemName = value
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}
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case "system_version", "system-version", "systemversion":
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if ua.SystemVersion == "" {
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ua.SystemVersion = value
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}
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case "device_brand", "device-brand", "devicebrand":
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if ua.DeviceBrand == "" {
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ua.DeviceBrand = value
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}
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case "device_model", "device-model", "devicemodel":
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if ua.DeviceModel == "" {
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ua.DeviceModel = value
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}
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case "sid":
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if ua.SessionID == "" {
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ua.SessionID = value
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}
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default:
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log.Warn("user-agent unknown", log.Any("ua", userAgent), log.Any("segment", segment))
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}
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}
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} else {
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log.Warn("user-agent empty")
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}
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ua.UserAgent = uastr
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if ua.DeviceBrand == "" {
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brand := strings.TrimSpace(c.GetHeader("device_brand"))
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if brand == "" {
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brand = strings.TrimSpace(c.GetHeader("device-brand"))
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}
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ua.DeviceBrand = brand
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}
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if ua.DeviceModel == "" {
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model := strings.TrimSpace(c.GetHeader("device_model"))
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if model == "" {
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model = strings.TrimSpace(c.GetHeader("device-model"))
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}
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ua.DeviceModel = model
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}
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if ua.SystemName == "" {
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name := strings.TrimSpace(c.GetHeader("system_name"))
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if name == "" {
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name = strings.TrimSpace(c.GetHeader("system-name"))
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}
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ua.SystemName = name
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}
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if ua.SystemVersion == "" {
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version := strings.TrimSpace(c.GetHeader("system_version"))
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if version == "" {
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version = strings.TrimSpace(c.GetHeader("system-version"))
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}
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ua.SystemVersion = version
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}
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if ua.SystemName == "" {
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ua.SystemName = ua.SysType
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}
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if ua.SystemVersion == "" {
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ua.SystemVersion = ua.Ver
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}
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c.Set(consts.CtxSystemName, ua.SystemName)
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c.Set(consts.CtxSystemVersion, ua.SystemVersion)
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c.Set(consts.CtxUA, ua)
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}
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