✨ add api signature

app/core/api/internal/logic/token/refresh_token_logic.go

@@ -0,0 +1,79 @@
+package token
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"schisandra-album-cloud-microservices/app/core/api/common/constant"
+	"schisandra-album-cloud-microservices/app/core/api/common/jwt"
+	"schisandra-album-cloud-microservices/app/core/api/common/response"
+	"schisandra-album-cloud-microservices/app/core/api/internal/svc"
+	"schisandra-album-cloud-microservices/app/core/api/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type RefreshTokenLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewRefreshTokenLogic(ctx context.Context, svcCtx *svc.ServiceContext) *RefreshTokenLogic {
+	return &RefreshTokenLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *RefreshTokenLogic) RefreshToken(r *http.Request) (resp *types.Response, err error) {
+	session, err := l.svcCtx.Session.Get(r, constant.SESSION_KEY)
+	if err != nil {
+		return nil, err
+	}
+	refreshSessionToken, ok := session.Values["refresh_token"].(string)
+	if !ok {
+		return response.ErrorWithCode(403), nil
+	}
+	userId, ok := session.Values["uid"].(string)
+	if !ok {
+		return response.ErrorWithCode(403), nil
+	}
+	tokenData := l.svcCtx.RedisClient.Get(l.ctx, constant.UserTokenPrefix+userId).Val()
+	if tokenData == "" {
+		return response.ErrorWithCode(403), nil
+	}
+	redisTokenData := types.RedisToken{}
+	err = json.Unmarshal([]byte(tokenData), &redisTokenData)
+	if err != nil {
+		return nil, err
+	}
+	if redisTokenData.RefreshToken != refreshSessionToken {
+		return response.ErrorWithCode(403), nil
+	}
+
+	refreshToken, result := jwt.ParseRefreshToken(l.svcCtx.Config.Auth.AccessSecret, refreshSessionToken)
+	if !result {
+		return response.ErrorWithCode(403), nil
+	}
+	accessToken := jwt.GenerateAccessToken(l.svcCtx.Config.Auth.AccessSecret, jwt.AccessJWTPayload{
+		UserID: refreshToken.UserID,
+	})
+	if accessToken == "" {
+		return response.ErrorWithCode(403), nil
+	}
+	redisToken := types.RedisToken{
+		AccessToken:  accessToken,
+		RefreshToken: refreshSessionToken,
+		UID:          refreshToken.UserID,
+	}
+	err = l.svcCtx.RedisClient.Set(l.ctx, constant.UserTokenPrefix+refreshToken.UserID, redisToken, time.Hour*24*7).Err()
+	if err != nil {
+		return nil, err
+	}
+
+	return response.SuccessWithData(accessToken), nil
+}