fusenapi/server/shopping-cart-confirmation/internal/svc/servicecontext.go

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package svc
import (
"errors"
"fmt"
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"fusenapi/fsm"
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"fusenapi/server/shopping-cart-confirmation/internal/config"
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"fusenapi/utils/autoconfig"
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"net/http"
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"fusenapi/initalize"
"fusenapi/model/gmodel"
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"github.com/golang-jwt/jwt"
"gorm.io/gorm"
)
type ServiceContext struct {
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Config config.Config
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SharedState *fsm.FsStateMachine
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MysqlConn *gorm.DB
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AllModels *gmodel.AllModelsGen
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}
func NewServiceContext(c config.Config) *ServiceContext {
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conn := initalize.InitMysql(c.SourceMysql)
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StateServer := fsm.StartNode(c.Name, fmt.Sprintf("%s:%d", c.Host, c.Port-2000), autoconfig.AutoGetAllServerConfig(), conn)
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return &ServiceContext{
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Config: c,
MysqlConn: conn,
SharedState: StateServer,
AllModels: gmodel.NewAllModels(initalize.InitMysql(c.SourceMysql)),
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}
}
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func (svcCtx *ServiceContext) ParseJwtToken(r *http.Request) (jwt.MapClaims, error) {
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AuthKey := r.Header.Get("Authorization")
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if AuthKey == "" {
return nil, nil
}
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AuthKey = AuthKey[7:]
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if len(AuthKey) <= 50 {
return nil, errors.New(fmt.Sprint("Error parsing token, len:", len(AuthKey)))
}
token, err := jwt.Parse(AuthKey, func(token *jwt.Token) (interface{}, error) {
// 检查签名方法是否为 HS256
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
// 返回用于验证签名的密钥
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return []byte(svcCtx.Config.Auth.AccessSecret), nil
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})
if err != nil {
return nil, errors.New(fmt.Sprint("Error parsing token:", err))
}
// 验证成功返回
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
return claims, nil
}
return nil, errors.New(fmt.Sprint("Invalid token", err))
}