93 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright 2022 The Gitea Authors. All rights reserved.
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| // SPDX-License-Identifier: MIT
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| 
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| package runner
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| 
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| import (
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| 	"context"
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| 	"crypto/subtle"
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| 	"errors"
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| 	"strings"
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| 
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| 	actions_model "code.gitea.io/gitea/models/actions"
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| 	auth_model "code.gitea.io/gitea/models/auth"
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| 	"code.gitea.io/gitea/modules/log"
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| 	"code.gitea.io/gitea/modules/timeutil"
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| 	"code.gitea.io/gitea/modules/util"
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| 
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| 	"github.com/bufbuild/connect-go"
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| 	"google.golang.org/grpc/codes"
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| 	"google.golang.org/grpc/status"
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| )
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| 
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| const (
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| 	uuidHeaderKey    = "x-runner-uuid"
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| 	tokenHeaderKey   = "x-runner-token"
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| 	versionHeaderKey = "x-runner-version"
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| 
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| 	versionUnknown = "Unknown"
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| )
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| 
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| var withRunner = connect.WithInterceptors(connect.UnaryInterceptorFunc(func(unaryFunc connect.UnaryFunc) connect.UnaryFunc {
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| 	return func(ctx context.Context, request connect.AnyRequest) (connect.AnyResponse, error) {
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| 		methodName := getMethodName(request)
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| 		if methodName == "Register" {
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| 			return unaryFunc(ctx, request)
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| 		}
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| 		uuid := request.Header().Get(uuidHeaderKey)
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| 		token := request.Header().Get(tokenHeaderKey)
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| 		version := request.Header().Get(versionHeaderKey)
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| 		if util.IsEmptyString(version) {
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| 			version = versionUnknown
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| 		}
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| 		version, _ = util.SplitStringAtByteN(version, 64)
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| 
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| 		runner, err := actions_model.GetRunnerByUUID(ctx, uuid)
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| 		if err != nil {
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| 			if errors.Is(err, util.ErrNotExist) {
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| 				return nil, status.Error(codes.Unauthenticated, "unregistered runner")
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| 			}
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| 			return nil, status.Error(codes.Internal, err.Error())
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| 		}
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| 		if subtle.ConstantTimeCompare([]byte(runner.TokenHash), []byte(auth_model.HashToken(token, runner.TokenSalt))) != 1 {
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| 			return nil, status.Error(codes.Unauthenticated, "unregistered runner")
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| 		}
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| 
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| 		cols := []string{"last_online"}
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| 		if runner.Version != version {
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| 			runner.Version = version
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| 			cols = append(cols, "version")
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| 		}
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| 		runner.LastOnline = timeutil.TimeStampNow()
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| 		if methodName == "UpdateTask" || methodName == "UpdateLog" {
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| 			runner.LastActive = timeutil.TimeStampNow()
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| 			cols = append(cols, "last_active")
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| 		}
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| 		if err := actions_model.UpdateRunner(ctx, runner, cols...); err != nil {
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| 			log.Error("can't update runner status: %v", err)
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| 		}
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| 
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| 		ctx = context.WithValue(ctx, runnerCtxKey{}, runner)
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| 		return unaryFunc(ctx, request)
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| 	}
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| }))
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| 
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| func getMethodName(req connect.AnyRequest) string {
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| 	splits := strings.Split(req.Spec().Procedure, "/")
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| 	if len(splits) > 0 {
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| 		return splits[len(splits)-1]
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| 	}
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| 	return ""
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| }
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| 
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| type runnerCtxKey struct{}
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| 
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| func GetRunner(ctx context.Context) *actions_model.ActionRunner {
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| 	if v := ctx.Value(runnerCtxKey{}); v != nil {
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| 		if r, ok := v.(*actions_model.ActionRunner); ok {
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| 			return r
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| 		}
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| 	}
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| 	return nil
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| }
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