Go+gRPC-Gateway(V2) 微服务实战，小程序登录鉴权服务(四)：自动生成 API TS 类型

yarn add protobufjs

PROTO_PATH=../microsvcs/auth/api
PBTS_BIN_DIR=./node_modules/.bin
PBTS_OUT_DIR=./miniprogram/service/proto_gen/auth
mkdir -p $PBTS_OUT_DIR

$PBTS_BIN_DIR/pbjs -t static -w es6 $PROTO_PATH/auth.proto --no-create --no-encode --no-decode --no-verify --no-delimited -o $PBTS_OUT_DIR/auth_pb_tmp.js
echo 'import * as $protobuf from "protobufjs";\n' > $PBTS_OUT_DIR/auth_pb.js
cat $PBTS_OUT_DIR/auth_pb_tmp.js >> $PBTS_OUT_DIR/auth_pb.js
rm $PBTS_OUT_DIR/auth_pb_tmp.js
$PBTS_BIN_DIR/pbts -o $PBTS_OUT_DIR/auth_pb.d.ts $PBTS_OUT_DIR/auth_pb.js

import { auth } from "./service/proto_gen/auth/auth_pb"

type JWTTokenVerifier struct {
	PublicKey *rsa.PublicKey
}
func (v *JWTTokenVerifier) Verify(token string) (string, error) {
	t, err := jwt.ParseWithClaims(token, &jwt.StandardClaims{}, func(t *jwt.Token) (interface{}, error) {
		return v.PublicKey, nil
	})
	if err != nil {
		return "", fmt.Errorf("cannot parse token: %v", err)
	}
	if !t.Valid {
		return "", fmt.Errorf("token not valid")
	}
	clm, ok := t.Claims.(*jwt.StandardClaims)
	if !ok {
		return "", fmt.Errorf("token claim is not StandardClaims")
	}
	if err := clm.Valid(); err != nil {
		return "", fmt.Errorf("claim not valid: %v", err)
	}
	return clm.Subject, nil
}