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forgejo/routers/api/actions/runner/interceptor.go

81 lines
2.2 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package runner
import (
"context"
"crypto/subtle"
"errors"
"strings"
actions_model "code.gitea.io/gitea/models/actions"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
"connectrpc.com/connect"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
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) {
methodName := getMethodName(request)
if methodName == "Register" {
return unaryFunc(ctx, request)
}
uuid := request.Header().Get(uuidHeaderKey)
token := request.Header().Get(tokenHeaderKey)
runner, err := actions_model.GetRunnerByUUID(ctx, uuid)
if err != nil {
if errors.Is(err, util.ErrNotExist) {
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")
}
cols := []string{"last_online"}
runner.LastOnline = timeutil.TimeStampNow()
if methodName == "UpdateTask" || methodName == "UpdateLog" {
runner.LastActive = timeutil.TimeStampNow()
cols = append(cols, "last_active")
}
if err := actions_model.UpdateRunner(ctx, runner, cols...); err != nil {
log.Error("can't update runner status: %v", err)
}
ctx = context.WithValue(ctx, runnerCtxKey{}, runner)
return unaryFunc(ctx, request)
}
}))
func getMethodName(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) *actions_model.ActionRunner {
if v := ctx.Value(runnerCtxKey{}); v != nil {
if r, ok := v.(*actions_model.ActionRunner); ok {
return r
}
}
return nil
}