mirror of
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88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package runner
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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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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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"connectrpc.com/connect"
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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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const (
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uuidHeaderKey = "x-runner-uuid"
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tokenHeaderKey = "x-runner-token"
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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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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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// Reduce db writes by only updating last active/online when needed
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var cols []string
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now := timeutil.TimeStampNow()
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if runner.LastActive.AddDuration(actions_model.RunnerOfflineTime/2) < now {
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runner.LastOnline = now
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cols = append(cols, "last_online")
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}
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if (methodName == "UpdateTask" || methodName == "UpdateLog") && runner.LastActive.AddDuration(actions_model.RunnerIdleTime/2) < now {
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runner.LastActive = now
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cols = append(cols, "last_active")
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}
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if cols != nil {
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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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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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type runnerCtxKey struct{}
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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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