Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

1 files changed, 590 insertions, 0 deletions

diff --git a/services/actions/notifier_helper.go b/services/actions/notifier_helper.go
new file mode 100644
index 0000000..0a1dbb1
--- /dev/null
+++ b/services/actions/notifier_helper.go
@@ -0,0 +1,590 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"slices"
+	"strings"
+
+	actions_model "code.gitea.io/gitea/models/actions"
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	packages_model "code.gitea.io/gitea/models/packages"
+	access_model "code.gitea.io/gitea/models/perm/access"
+	repo_model "code.gitea.io/gitea/models/repo"
+	unit_model "code.gitea.io/gitea/models/unit"
+	user_model "code.gitea.io/gitea/models/user"
+	actions_module "code.gitea.io/gitea/modules/actions"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/gitrepo"
+	"code.gitea.io/gitea/modules/json"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/modules/util"
+	webhook_module "code.gitea.io/gitea/modules/webhook"
+	"code.gitea.io/gitea/services/convert"
+
+	"github.com/nektos/act/pkg/jobparser"
+	"github.com/nektos/act/pkg/model"
+)
+
+type methodCtx struct{}
+
+var methodCtxKey = methodCtx{}
+
+// withMethod sets the notification method that this context currently executes.
+// Used for debugging/ troubleshooting purposes.
+func withMethod(ctx context.Context, method string) context.Context {
+	// don't overwrite
+	if v := ctx.Value(methodCtxKey); v != nil {
+		if _, ok := v.(string); ok {
+			return ctx
+		}
+	}
+	return context.WithValue(ctx, methodCtxKey, method)
+}
+
+// getMethod gets the notification method that this context currently executes.
+// Default: "notify"
+// Used for debugging/ troubleshooting purposes.
+func getMethod(ctx context.Context) string {
+	if v := ctx.Value(methodCtxKey); v != nil {
+		if s, ok := v.(string); ok {
+			return s
+		}
+	}
+	return "notify"
+}
+
+type notifyInput struct {
+	// required
+	Repo  *repo_model.Repository
+	Doer  *user_model.User
+	Event webhook_module.HookEventType
+
+	// optional
+	Ref         git.RefName
+	Payload     api.Payloader
+	PullRequest *issues_model.PullRequest
+}
+
+func newNotifyInput(repo *repo_model.Repository, doer *user_model.User, event webhook_module.HookEventType) *notifyInput {
+	return &notifyInput{
+		Repo:  repo,
+		Doer:  doer,
+		Event: event,
+	}
+}
+
+func newNotifyInputForSchedules(repo *repo_model.Repository) *notifyInput {
+	// the doer here will be ignored as we force using action user when handling schedules
+	return newNotifyInput(repo, user_model.NewActionsUser(), webhook_module.HookEventSchedule)
+}
+
+func (input *notifyInput) WithDoer(doer *user_model.User) *notifyInput {
+	input.Doer = doer
+	return input
+}
+
+func (input *notifyInput) WithRef(ref string) *notifyInput {
+	input.Ref = git.RefName(ref)
+	return input
+}
+
+func (input *notifyInput) WithPayload(payload api.Payloader) *notifyInput {
+	input.Payload = payload
+	return input
+}
+
+func (input *notifyInput) WithPullRequest(pr *issues_model.PullRequest) *notifyInput {
+	input.PullRequest = pr
+	if input.Ref == "" {
+		input.Ref = git.RefName(pr.GetGitRefName())
+	}
+	return input
+}
+
+func (input *notifyInput) Notify(ctx context.Context) {
+	log.Trace("execute %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
+
+	if err := notify(ctx, input); err != nil {
+		log.Error("an error occurred while executing the %s actions method: %v", getMethod(ctx), err)
+	}
+}
+
+func notify(ctx context.Context, input *notifyInput) error {
+	shouldDetectSchedules := input.Event == webhook_module.HookEventPush && input.Ref.BranchName() == input.Repo.DefaultBranch
+	if input.Doer.IsActions() {
+		// avoiding triggering cyclically, for example:
+		// a comment of an issue will trigger the runner to add a new comment as reply,
+		// and the new comment will trigger the runner again.
+		log.Debug("ignore executing %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
+
+		// we should update schedule tasks in this case, because
+		//   1. schedule tasks cannot be triggered by other events, so cyclic triggering will not occur
+		//   2. some schedule tasks may update the repo periodically, so the refs of schedule tasks need to be updated
+		if shouldDetectSchedules {
+			return DetectAndHandleSchedules(ctx, input.Repo)
+		}
+
+		return nil
+	}
+	if input.Repo.IsEmpty || input.Repo.IsArchived {
+		return nil
+	}
+	if unit_model.TypeActions.UnitGlobalDisabled() {
+		if err := actions_model.CleanRepoScheduleTasks(ctx, input.Repo, true); err != nil {
+			log.Error("CleanRepoScheduleTasks: %v", err)
+		}
+		return nil
+	}
+	if err := input.Repo.LoadUnits(ctx); err != nil {
+		return fmt.Errorf("repo.LoadUnits: %w", err)
+	} else if !input.Repo.UnitEnabled(ctx, unit_model.TypeActions) {
+		return nil
+	}
+
+	gitRepo, err := gitrepo.OpenRepository(context.Background(), input.Repo)
+	if err != nil {
+		return fmt.Errorf("git.OpenRepository: %w", err)
+	}
+	defer gitRepo.Close()
+
+	ref := input.Ref
+	if ref.BranchName() != input.Repo.DefaultBranch && actions_module.IsDefaultBranchWorkflow(input.Event) {
+		if ref != "" {
+			log.Warn("Event %q should only trigger workflows on the default branch, but its ref is %q. Will fall back to the default branch",
+				input.Event, ref)
+		}
+		ref = git.RefNameFromBranch(input.Repo.DefaultBranch)
+	}
+	if ref == "" {
+		log.Warn("Ref of event %q is empty, will fall back to the default branch", input.Event)
+		ref = git.RefNameFromBranch(input.Repo.DefaultBranch)
+	}
+
+	commitID, err := gitRepo.GetRefCommitID(ref.String())
+	if err != nil {
+		return fmt.Errorf("gitRepo.GetRefCommitID: %w", err)
+	}
+
+	// Get the commit object for the ref
+	commit, err := gitRepo.GetCommit(commitID)
+	if err != nil {
+		return fmt.Errorf("gitRepo.GetCommit: %w", err)
+	}
+
+	if skipWorkflows(input, commit) {
+		return nil
+	}
+
+	if SkipPullRequestEvent(ctx, input.Event, input.Repo.ID, commit.ID.String()) {
+		log.Trace("repo %s with commit %s skip event %v", input.Repo.RepoPath(), commit.ID, input.Event)
+		return nil
+	}
+
+	var detectedWorkflows []*actions_module.DetectedWorkflow
+	actionsConfig := input.Repo.MustGetUnit(ctx, unit_model.TypeActions).ActionsConfig()
+	workflows, schedules, err := actions_module.DetectWorkflows(gitRepo, commit,
+		input.Event,
+		input.Payload,
+		shouldDetectSchedules,
+	)
+	if err != nil {
+		return fmt.Errorf("DetectWorkflows: %w", err)
+	}
+
+	log.Trace("repo %s with commit %s event %s find %d workflows and %d schedules",
+		input.Repo.RepoPath(),
+		commit.ID,
+		input.Event,
+		len(workflows),
+		len(schedules),
+	)
+
+	for _, wf := range workflows {
+		if actionsConfig.IsWorkflowDisabled(wf.EntryName) {
+			log.Trace("repo %s has disable workflows %s", input.Repo.RepoPath(), wf.EntryName)
+			continue
+		}
+
+		if wf.TriggerEvent.Name != actions_module.GithubEventPullRequestTarget {
+			detectedWorkflows = append(detectedWorkflows, wf)
+		}
+	}
+
+	if input.PullRequest != nil {
+		// detect pull_request_target workflows
+		baseRef := git.BranchPrefix + input.PullRequest.BaseBranch
+		baseCommit, err := gitRepo.GetCommit(baseRef)
+		if err != nil {
+			if prp, ok := input.Payload.(*api.PullRequestPayload); ok && errors.Is(err, util.ErrNotExist) {
+				// the baseBranch was deleted and the PR closed: the action can be skipped
+				if prp.Action == api.HookIssueClosed {
+					return nil
+				}
+			}
+			return fmt.Errorf("gitRepo.GetCommit: %w", err)
+		}
+		baseWorkflows, _, err := actions_module.DetectWorkflows(gitRepo, baseCommit, input.Event, input.Payload, false)
+		if err != nil {
+			return fmt.Errorf("DetectWorkflows: %w", err)
+		}
+		if len(baseWorkflows) == 0 {
+			log.Trace("repo %s with commit %s couldn't find pull_request_target workflows", input.Repo.RepoPath(), baseCommit.ID)
+		} else {
+			for _, wf := range baseWorkflows {
+				if wf.TriggerEvent.Name == actions_module.GithubEventPullRequestTarget {
+					detectedWorkflows = append(detectedWorkflows, wf)
+				}
+			}
+		}
+	}
+
+	if shouldDetectSchedules {
+		if err := handleSchedules(ctx, schedules, commit, input, ref.String()); err != nil {
+			return err
+		}
+	}
+
+	return handleWorkflows(ctx, detectedWorkflows, commit, input, ref.String())
+}
+
+func SkipPullRequestEvent(ctx context.Context, event webhook_module.HookEventType, repoID int64, commitSHA string) bool {
+	if event != webhook_module.HookEventPullRequestSync {
+		return false
+	}
+
+	run := actions_model.ActionRun{
+		Event:     webhook_module.HookEventPullRequest,
+		RepoID:    repoID,
+		CommitSHA: commitSHA,
+	}
+	exist, err := db.GetEngine(ctx).Exist(&run)
+	if err != nil {
+		log.Error("Exist ActionRun %v: %v", run, err)
+		return false
+	}
+	return exist
+}
+
+func skipWorkflows(input *notifyInput, commit *git.Commit) bool {
+	// skip workflow runs with a configured skip-ci string in commit message or pr title if the event is push or pull_request(_sync)
+	// https://docs.github.com/en/actions/managing-workflow-runs/skipping-workflow-runs
+	skipWorkflowEvents := []webhook_module.HookEventType{
+		webhook_module.HookEventPush,
+		webhook_module.HookEventPullRequest,
+		webhook_module.HookEventPullRequestSync,
+	}
+	if slices.Contains(skipWorkflowEvents, input.Event) {
+		for _, s := range setting.Actions.SkipWorkflowStrings {
+			if input.PullRequest != nil && strings.Contains(input.PullRequest.Issue.Title, s) {
+				log.Debug("repo %s: skipped run for pr %v because of %s string", input.Repo.RepoPath(), input.PullRequest.Issue.ID, s)
+				return true
+			}
+			if strings.Contains(commit.CommitMessage, s) {
+				log.Debug("repo %s with commit %s: skipped run because of %s string", input.Repo.RepoPath(), commit.ID, s)
+				return true
+			}
+		}
+	}
+	return false
+}
+
+func handleWorkflows(
+	ctx context.Context,
+	detectedWorkflows []*actions_module.DetectedWorkflow,
+	commit *git.Commit,
+	input *notifyInput,
+	ref string,
+) error {
+	if len(detectedWorkflows) == 0 {
+		log.Trace("repo %s with commit %s couldn't find workflows", input.Repo.RepoPath(), commit.ID)
+		return nil
+	}
+
+	p, err := json.Marshal(input.Payload)
+	if err != nil {
+		return fmt.Errorf("json.Marshal: %w", err)
+	}
+
+	isForkPullRequest := false
+	if pr := input.PullRequest; pr != nil {
+		switch pr.Flow {
+		case issues_model.PullRequestFlowGithub:
+			isForkPullRequest = pr.IsFromFork()
+		case issues_model.PullRequestFlowAGit:
+			// There is no fork concept in agit flow, anyone with read permission can push refs/for/<target-branch>/<topic-branch> to the repo.
+			// So we can treat it as a fork pull request because it may be from an untrusted user
+			isForkPullRequest = true
+		default:
+			// unknown flow, assume it's a fork pull request to be safe
+			isForkPullRequest = true
+		}
+	}
+
+	for _, dwf := range detectedWorkflows {
+		run := &actions_model.ActionRun{
+			Title:             strings.SplitN(commit.CommitMessage, "\n", 2)[0],
+			RepoID:            input.Repo.ID,
+			OwnerID:           input.Repo.OwnerID,
+			WorkflowID:        dwf.EntryName,
+			TriggerUserID:     input.Doer.ID,
+			Ref:               ref,
+			CommitSHA:         commit.ID.String(),
+			IsForkPullRequest: isForkPullRequest,
+			Event:             input.Event,
+			EventPayload:      string(p),
+			TriggerEvent:      dwf.TriggerEvent.Name,
+			Status:            actions_model.StatusWaiting,
+		}
+
+		need, err := ifNeedApproval(ctx, run, input.Repo, input.Doer)
+		if err != nil {
+			log.Error("check if need approval for repo %d with user %d: %v", input.Repo.ID, input.Doer.ID, err)
+			continue
+		}
+
+		run.NeedApproval = need
+
+		if err := run.LoadAttributes(ctx); err != nil {
+			log.Error("LoadAttributes: %v", err)
+			continue
+		}
+
+		vars, err := actions_model.GetVariablesOfRun(ctx, run)
+		if err != nil {
+			log.Error("GetVariablesOfRun: %v", err)
+			continue
+		}
+
+		jobs, err := jobparser.Parse(dwf.Content, jobparser.WithVars(vars))
+		if err != nil {
+			log.Error("jobparser.Parse: %v", err)
+			continue
+		}
+
+		// cancel running jobs if the event is push or pull_request_sync
+		if run.Event == webhook_module.HookEventPush ||
+			run.Event == webhook_module.HookEventPullRequestSync {
+			if err := actions_model.CancelPreviousJobs(
+				ctx,
+				run.RepoID,
+				run.Ref,
+				run.WorkflowID,
+				run.Event,
+			); err != nil {
+				log.Error("CancelPreviousJobs: %v", err)
+			}
+		}
+
+		if err := actions_model.InsertRun(ctx, run, jobs); err != nil {
+			log.Error("InsertRun: %v", err)
+			continue
+		}
+
+		alljobs, err := db.Find[actions_model.ActionRunJob](ctx, actions_model.FindRunJobOptions{RunID: run.ID})
+		if err != nil {
+			log.Error("FindRunJobs: %v", err)
+			continue
+		}
+		CreateCommitStatus(ctx, alljobs...)
+	}
+	return nil
+}
+
+func newNotifyInputFromIssue(issue *issues_model.Issue, event webhook_module.HookEventType) *notifyInput {
+	return newNotifyInput(issue.Repo, issue.Poster, event)
+}
+
+func notifyRelease(ctx context.Context, doer *user_model.User, rel *repo_model.Release, action api.HookReleaseAction) {
+	if err := rel.LoadAttributes(ctx); err != nil {
+		log.Error("LoadAttributes: %v", err)
+		return
+	}
+
+	permission, _ := access_model.GetUserRepoPermission(ctx, rel.Repo, doer)
+
+	newNotifyInput(rel.Repo, doer, webhook_module.HookEventRelease).
+		WithRef(git.RefNameFromTag(rel.TagName).String()).
+		WithPayload(&api.ReleasePayload{
+			Action:     action,
+			Release:    convert.ToAPIRelease(ctx, rel.Repo, rel),
+			Repository: convert.ToRepo(ctx, rel.Repo, permission),
+			Sender:     convert.ToUser(ctx, doer, nil),
+		}).
+		Notify(ctx)
+}
+
+func notifyPackage(ctx context.Context, sender *user_model.User, pd *packages_model.PackageDescriptor, action api.HookPackageAction) {
+	if pd.Repository == nil {
+		// When a package is uploaded to an organization, it could trigger an event to notify.
+		// So the repository could be nil, however, actions can't support that yet.
+		// See https://github.com/go-gitea/gitea/pull/17940
+		return
+	}
+
+	apiPackage, err := convert.ToPackage(ctx, pd, sender)
+	if err != nil {
+		log.Error("Error converting package: %v", err)
+		return
+	}
+
+	newNotifyInput(pd.Repository, sender, webhook_module.HookEventPackage).
+		WithPayload(&api.PackagePayload{
+			Action:  action,
+			Package: apiPackage,
+			Sender:  convert.ToUser(ctx, sender, nil),
+		}).
+		Notify(ctx)
+}
+
+func ifNeedApproval(ctx context.Context, run *actions_model.ActionRun, repo *repo_model.Repository, user *user_model.User) (bool, error) {
+	// 1. don't need approval if it's not a fork PR
+	// 2. don't need approval if the event is `pull_request_target` since the workflow will run in the context of base branch
+	// 		see https://docs.github.com/en/actions/managing-workflow-runs/approving-workflow-runs-from-public-forks#about-workflow-runs-from-public-forks
+	if !run.IsForkPullRequest || run.TriggerEvent == actions_module.GithubEventPullRequestTarget {
+		return false, nil
+	}
+
+	// always need approval if the user is restricted
+	if user.IsRestricted {
+		log.Trace("need approval because user %d is restricted", user.ID)
+		return true, nil
+	}
+
+	// don't need approval if the user can write
+	if perm, err := access_model.GetUserRepoPermission(ctx, repo, user); err != nil {
+		return false, fmt.Errorf("GetUserRepoPermission: %w", err)
+	} else if perm.CanWrite(unit_model.TypeActions) {
+		log.Trace("do not need approval because user %d can write", user.ID)
+		return false, nil
+	}
+
+	// don't need approval if the user has been approved before
+	if count, err := db.Count[actions_model.ActionRun](ctx, actions_model.FindRunOptions{
+		RepoID:        repo.ID,
+		TriggerUserID: user.ID,
+		Approved:      true,
+	}); err != nil {
+		return false, fmt.Errorf("CountRuns: %w", err)
+	} else if count > 0 {
+		log.Trace("do not need approval because user %d has been approved before", user.ID)
+		return false, nil
+	}
+
+	// otherwise, need approval
+	log.Trace("need approval because it's the first time user %d triggered actions", user.ID)
+	return true, nil
+}
+
+func handleSchedules(
+	ctx context.Context,
+	detectedWorkflows []*actions_module.DetectedWorkflow,
+	commit *git.Commit,
+	input *notifyInput,
+	_ string,
+) error {
+	branch, err := commit.GetBranchName()
+	if err != nil {
+		return err
+	}
+	if branch != input.Repo.DefaultBranch {
+		log.Trace("commit branch is not default branch in repo")
+		return nil
+	}
+
+	if count, err := db.Count[actions_model.ActionSchedule](ctx, actions_model.FindScheduleOptions{RepoID: input.Repo.ID}); err != nil {
+		log.Error("CountSchedules: %v", err)
+		return err
+	} else if count > 0 {
+		if err := actions_model.CleanRepoScheduleTasks(ctx, input.Repo, false); err != nil {
+			log.Error("CleanRepoScheduleTasks: %v", err)
+		}
+	}
+
+	if len(detectedWorkflows) == 0 {
+		log.Trace("repo %s with commit %s couldn't find schedules", input.Repo.RepoPath(), commit.ID)
+		return nil
+	}
+
+	payload := &api.SchedulePayload{
+		Action: api.HookScheduleCreated,
+	}
+
+	p, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("json.Marshal: %w", err)
+	}
+
+	crons := make([]*actions_model.ActionSchedule, 0, len(detectedWorkflows))
+	for _, dwf := range detectedWorkflows {
+		// Check cron job condition. Only working in default branch
+		workflow, err := model.ReadWorkflow(bytes.NewReader(dwf.Content))
+		if err != nil {
+			log.Error("ReadWorkflow: %v", err)
+			continue
+		}
+		schedules := workflow.OnSchedule()
+		if len(schedules) == 0 {
+			log.Warn("no schedule event")
+			continue
+		}
+
+		run := &actions_model.ActionSchedule{
+			Title:         strings.SplitN(commit.CommitMessage, "\n", 2)[0],
+			RepoID:        input.Repo.ID,
+			OwnerID:       input.Repo.OwnerID,
+			WorkflowID:    dwf.EntryName,
+			TriggerUserID: user_model.ActionsUserID,
+			Ref:           input.Repo.DefaultBranch,
+			CommitSHA:     commit.ID.String(),
+			Event:         input.Event,
+			EventPayload:  string(p),
+			Specs:         schedules,
+			Content:       dwf.Content,
+		}
+		crons = append(crons, run)
+	}
+
+	return actions_model.CreateScheduleTask(ctx, crons)
+}
+
+// DetectAndHandleSchedules detects the schedule workflows on the default branch and create schedule tasks
+func DetectAndHandleSchedules(ctx context.Context, repo *repo_model.Repository) error {
+	if repo.IsEmpty || repo.IsArchived {
+		return nil
+	}
+
+	gitRepo, err := gitrepo.OpenRepository(context.Background(), repo)
+	if err != nil {
+		return fmt.Errorf("git.OpenRepository: %w", err)
+	}
+	defer gitRepo.Close()
+
+	// Only detect schedule workflows on the default branch
+	commit, err := gitRepo.GetCommit(repo.DefaultBranch)
+	if err != nil {
+		return fmt.Errorf("gitRepo.GetCommit: %w", err)
+	}
+	scheduleWorkflows, err := actions_module.DetectScheduledWorkflows(gitRepo, commit)
+	if err != nil {
+		return fmt.Errorf("detect schedule workflows: %w", err)
+	}
+	if len(scheduleWorkflows) == 0 {
+		return nil
+	}
+
+	// We need a notifyInput to call handleSchedules
+	// if repo is a mirror, commit author maybe an external user,
+	// so we use action user as the Doer of the notifyInput
+	notifyInput := newNotifyInputForSchedules(repo)
+
+	return handleSchedules(ctx, scheduleWorkflows, commit, notifyInput, repo.DefaultBranch)
+}