2022-11-25 17:48:47 +08:00

85 lines
2.6 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package runner
import (
"context"
"crypto/subtle"
"strings"
auth_model "code.gitea.io/gitea/models/auth"
bots_model "code.gitea.io/gitea/models/bots"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
runnerv1 "gitea.com/gitea/proto-go/runner/v1"
"github.com/bufbuild/connect-go"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
runnerOnlineTimeDeltaSecs = 30
uuidHeaderKey = "x-runner-uuid"
tokenHeaderKey = "x-runner-token"
)
var WithRunner = connect.WithInterceptors(connect.UnaryInterceptorFunc(func(unaryFunc connect.UnaryFunc) connect.UnaryFunc {
return func(ctx context.Context, request connect.AnyRequest) (connect.AnyResponse, error) {
if methodName(request) == "Register" {
return unaryFunc(ctx, request)
}
uuid := request.Header().Get(uuidHeaderKey)
token := request.Header().Get(tokenHeaderKey)
runner, err := bots_model.GetRunnerByUUID(uuid)
if err != nil {
if _, ok := err.(bots_model.ErrRunnerNotExist); ok {
return nil, status.Error(codes.Unauthenticated, "unregistered runner")
}
return nil, status.Error(codes.Internal, err.Error())
}
if subtle.ConstantTimeCompare([]byte(runner.TokenHash), []byte(auth_model.HashToken(token, runner.TokenSalt))) != 1 {
return nil, status.Error(codes.Unauthenticated, "unregistered runner")
}
// update runner online status
if runner.Status == runnerv1.RunnerStatus_RUNNER_STATUS_OFFLINE {
runner.LastOnline = timeutil.TimeStampNow()
runner.Status = runnerv1.RunnerStatus_RUNNER_STATUS_ACTIVE
if err := bots_model.UpdateRunner(ctx, runner, "last_online", "status"); err != nil {
log.Error("can't update runner status: %v", err)
}
}
if timeutil.TimeStampNow()-runner.LastOnline >= runnerOnlineTimeDeltaSecs {
runner.LastOnline = timeutil.TimeStampNow()
if err := bots_model.UpdateRunner(ctx, runner, "last_online"); err != nil {
log.Error("can't update runner last_online: %v", err)
}
}
ctx = context.WithValue(ctx, runnerCtxKey{}, runner)
return unaryFunc(ctx, request)
}
}))
func methodName(req connect.AnyRequest) string {
splits := strings.Split(req.Spec().Procedure, "/")
if len(splits) > 0 {
return splits[len(splits)-1]
}
return ""
}
type runnerCtxKey struct{}
func GetRunner(ctx context.Context) *bots_model.Runner {
if v := ctx.Value(runnerCtxKey{}); v != nil {
if r, ok := v.(*bots_model.Runner); ok {
return r
}
}
return nil
}