mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-24 08:57:03 -05:00
533 lines
16 KiB
Go
533 lines
16 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package actions
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"slices"
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"strings"
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actions_model "code.gitea.io/gitea/models/actions"
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"code.gitea.io/gitea/models/db"
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issues_model "code.gitea.io/gitea/models/issues"
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packages_model "code.gitea.io/gitea/models/packages"
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access_model "code.gitea.io/gitea/models/perm/access"
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repo_model "code.gitea.io/gitea/models/repo"
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unit_model "code.gitea.io/gitea/models/unit"
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user_model "code.gitea.io/gitea/models/user"
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actions_module "code.gitea.io/gitea/modules/actions"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/gitrepo"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/util"
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webhook_module "code.gitea.io/gitea/modules/webhook"
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"code.gitea.io/gitea/services/convert"
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"github.com/nektos/act/pkg/jobparser"
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"github.com/nektos/act/pkg/model"
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)
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var methodCtxKey struct{}
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// withMethod sets the notification method that this context currently executes.
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// Used for debugging/ troubleshooting purposes.
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func withMethod(ctx context.Context, method string) context.Context {
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// don't overwrite
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if v := ctx.Value(methodCtxKey); v != nil {
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if _, ok := v.(string); ok {
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return ctx
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}
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}
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return context.WithValue(ctx, methodCtxKey, method)
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}
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// getMethod gets the notification method that this context currently executes.
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// Default: "notify"
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// Used for debugging/ troubleshooting purposes.
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func getMethod(ctx context.Context) string {
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if v := ctx.Value(methodCtxKey); v != nil {
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if s, ok := v.(string); ok {
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return s
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}
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}
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return "notify"
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}
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type notifyInput struct {
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// required
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Repo *repo_model.Repository
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Doer *user_model.User
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Event webhook_module.HookEventType
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// optional
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Ref string
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Payload api.Payloader
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PullRequest *issues_model.PullRequest
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}
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func newNotifyInput(repo *repo_model.Repository, doer *user_model.User, event webhook_module.HookEventType) *notifyInput {
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return ¬ifyInput{
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Repo: repo,
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Doer: doer,
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Event: event,
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}
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}
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func (input *notifyInput) WithDoer(doer *user_model.User) *notifyInput {
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input.Doer = doer
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return input
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}
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func (input *notifyInput) WithRef(ref string) *notifyInput {
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input.Ref = ref
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return input
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}
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func (input *notifyInput) WithPayload(payload api.Payloader) *notifyInput {
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input.Payload = payload
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return input
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}
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func (input *notifyInput) WithPullRequest(pr *issues_model.PullRequest) *notifyInput {
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input.PullRequest = pr
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if input.Ref == "" {
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input.Ref = pr.GetGitRefName()
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}
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return input
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}
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func (input *notifyInput) Notify(ctx context.Context) {
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log.Trace("execute %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
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if err := notify(ctx, input); err != nil {
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log.Error("an error occurred while executing the %s actions method: %v", getMethod(ctx), err)
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}
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}
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func notify(ctx context.Context, input *notifyInput) error {
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if input.Doer.IsActions() {
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// avoiding triggering cyclically, for example:
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// a comment of an issue will trigger the runner to add a new comment as reply,
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// and the new comment will trigger the runner again.
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log.Debug("ignore executing %v for event %v whose doer is %v", getMethod(ctx), input.Event, input.Doer.Name)
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return nil
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}
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if input.Repo.IsEmpty {
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return nil
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}
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if unit_model.TypeActions.UnitGlobalDisabled() {
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return nil
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}
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if err := input.Repo.LoadUnits(ctx); err != nil {
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return fmt.Errorf("repo.LoadUnits: %w", err)
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} else if !input.Repo.UnitEnabled(ctx, unit_model.TypeActions) {
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return nil
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}
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gitRepo, err := gitrepo.OpenRepository(context.Background(), input.Repo)
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if err != nil {
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return fmt.Errorf("git.OpenRepository: %w", err)
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}
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defer gitRepo.Close()
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ref := input.Ref
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if ref != input.Repo.DefaultBranch && actions_module.IsDefaultBranchWorkflow(input.Event) {
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if ref != "" {
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log.Warn("Event %q should only trigger workflows on the default branch, but its ref is %q. Will fall back to the default branch",
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input.Event, ref)
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}
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ref = input.Repo.DefaultBranch
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}
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if ref == "" {
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log.Warn("Ref of event %q is empty, will fall back to the default branch", input.Event)
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ref = input.Repo.DefaultBranch
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}
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// Get the commit object for the ref
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commit, err := gitRepo.GetCommit(ref)
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if err != nil {
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return fmt.Errorf("gitRepo.GetCommit: %w", err)
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}
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if skipWorkflows(input, commit) {
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return nil
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}
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if SkipPullRequestEvent(ctx, input.Event, input.Repo.ID, commit.ID.String()) {
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log.Trace("repo %s with commit %s skip event %v", input.Repo.RepoPath(), commit.ID, input.Event)
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return nil
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}
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var detectedWorkflows []*actions_module.DetectedWorkflow
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actionsConfig := input.Repo.MustGetUnit(ctx, unit_model.TypeActions).ActionsConfig()
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workflows, schedules, err := actions_module.DetectWorkflows(gitRepo, commit, input.Event, input.Payload)
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if err != nil {
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return fmt.Errorf("DetectWorkflows: %w", err)
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}
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if len(workflows) == 0 {
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log.Trace("repo %s with commit %s couldn't find workflows", input.Repo.RepoPath(), commit.ID)
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} else {
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for _, wf := range workflows {
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if actionsConfig.IsWorkflowDisabled(wf.EntryName) {
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log.Trace("repo %s has disable workflows %s", input.Repo.RepoPath(), wf.EntryName)
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continue
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}
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if wf.TriggerEvent != actions_module.GithubEventPullRequestTarget {
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detectedWorkflows = append(detectedWorkflows, wf)
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}
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}
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}
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if input.PullRequest != nil {
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// detect pull_request_target workflows
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baseRef := git.BranchPrefix + input.PullRequest.BaseBranch
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baseCommit, err := gitRepo.GetCommit(baseRef)
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if err != nil {
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if prp, ok := input.Payload.(*api.PullRequestPayload); ok && errors.Is(err, util.ErrNotExist) {
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// the baseBranch was deleted and the PR closed: the action can be skipped
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if prp.Action == api.HookIssueClosed {
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return nil
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}
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}
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return fmt.Errorf("gitRepo.GetCommit: %w", err)
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}
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baseWorkflows, _, err := actions_module.DetectWorkflows(gitRepo, baseCommit, input.Event, input.Payload)
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if err != nil {
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return fmt.Errorf("DetectWorkflows: %w", err)
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}
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if len(baseWorkflows) == 0 {
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log.Trace("repo %s with commit %s couldn't find pull_request_target workflows", input.Repo.RepoPath(), baseCommit.ID)
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} else {
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for _, wf := range baseWorkflows {
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if wf.TriggerEvent == actions_module.GithubEventPullRequestTarget {
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detectedWorkflows = append(detectedWorkflows, wf)
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}
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}
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}
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}
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if err := handleSchedules(ctx, schedules, commit, input, ref); err != nil {
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return err
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}
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return handleWorkflows(ctx, detectedWorkflows, commit, input, ref)
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}
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func SkipPullRequestEvent(ctx context.Context, event webhook_module.HookEventType, repoID int64, commitSHA string) bool {
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if event != webhook_module.HookEventPullRequestSync {
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return false
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}
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run := actions_model.ActionRun{
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Event: webhook_module.HookEventPullRequest,
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RepoID: repoID,
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CommitSHA: commitSHA,
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}
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exist, err := db.GetEngine(ctx).Exist(&run)
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if err != nil {
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log.Error("Exist ActionRun %v: %v", run, err)
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return false
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}
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return exist
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}
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func skipWorkflows(input *notifyInput, commit *git.Commit) bool {
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// skip workflow runs with a configured skip-ci string in commit message or pr title if the event is push or pull_request(_sync)
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// https://docs.github.com/en/actions/managing-workflow-runs/skipping-workflow-runs
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skipWorkflowEvents := []webhook_module.HookEventType{
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webhook_module.HookEventPush,
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webhook_module.HookEventPullRequest,
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webhook_module.HookEventPullRequestSync,
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}
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if slices.Contains(skipWorkflowEvents, input.Event) {
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for _, s := range setting.Actions.SkipWorkflowStrings {
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if input.PullRequest != nil && strings.Contains(input.PullRequest.Issue.Title, s) {
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log.Debug("repo %s: skipped run for pr %v because of %s string", input.Repo.RepoPath(), input.PullRequest.Issue.ID, s)
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return true
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}
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if strings.Contains(commit.CommitMessage, s) {
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log.Debug("repo %s with commit %s: skipped run because of %s string", input.Repo.RepoPath(), commit.ID, s)
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return true
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}
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}
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}
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return false
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}
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func handleWorkflows(
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ctx context.Context,
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detectedWorkflows []*actions_module.DetectedWorkflow,
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commit *git.Commit,
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input *notifyInput,
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ref string,
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) error {
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if len(detectedWorkflows) == 0 {
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log.Trace("repo %s with commit %s couldn't find workflows", input.Repo.RepoPath(), commit.ID)
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return nil
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}
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p, err := json.Marshal(input.Payload)
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if err != nil {
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return fmt.Errorf("json.Marshal: %w", err)
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}
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isForkPullRequest := false
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if pr := input.PullRequest; pr != nil {
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switch pr.Flow {
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case issues_model.PullRequestFlowGithub:
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isForkPullRequest = pr.IsFromFork()
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case issues_model.PullRequestFlowAGit:
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// There is no fork concept in agit flow, anyone with read permission can push refs/for/<target-branch>/<topic-branch> to the repo.
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// So we can treat it as a fork pull request because it may be from an untrusted user
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isForkPullRequest = true
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default:
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// unknown flow, assume it's a fork pull request to be safe
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isForkPullRequest = true
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}
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}
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for _, dwf := range detectedWorkflows {
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run := &actions_model.ActionRun{
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Title: strings.SplitN(commit.CommitMessage, "\n", 2)[0],
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RepoID: input.Repo.ID,
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OwnerID: input.Repo.OwnerID,
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WorkflowID: dwf.EntryName,
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TriggerUserID: input.Doer.ID,
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Ref: ref,
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CommitSHA: commit.ID.String(),
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IsForkPullRequest: isForkPullRequest,
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Event: input.Event,
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EventPayload: string(p),
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TriggerEvent: dwf.TriggerEvent,
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Status: actions_model.StatusWaiting,
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}
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if need, err := ifNeedApproval(ctx, run, input.Repo, input.Doer); err != nil {
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log.Error("check if need approval for repo %d with user %d: %v", input.Repo.ID, input.Doer.ID, err)
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continue
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} else {
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run.NeedApproval = need
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}
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if err := run.LoadAttributes(ctx); err != nil {
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log.Error("LoadAttributes: %v", err)
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continue
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}
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vars, err := actions_model.GetVariablesOfRun(ctx, run)
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if err != nil {
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log.Error("GetVariablesOfRun: %v", err)
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continue
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}
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jobs, err := jobparser.Parse(dwf.Content, jobparser.WithVars(vars))
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if err != nil {
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log.Error("jobparser.Parse: %v", err)
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continue
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}
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// cancel running jobs if the event is push
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if run.Event == webhook_module.HookEventPush {
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// cancel running jobs of the same workflow
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if err := actions_model.CancelRunningJobs(
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ctx,
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run.RepoID,
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run.Ref,
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run.WorkflowID,
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); err != nil {
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log.Error("CancelRunningJobs: %v", err)
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}
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}
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if err := actions_model.InsertRun(ctx, run, jobs); err != nil {
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log.Error("InsertRun: %v", err)
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continue
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}
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alljobs, err := db.Find[actions_model.ActionRunJob](ctx, actions_model.FindRunJobOptions{RunID: run.ID})
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if err != nil {
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log.Error("FindRunJobs: %v", err)
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continue
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}
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CreateCommitStatus(ctx, alljobs...)
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}
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return nil
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}
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func newNotifyInputFromIssue(issue *issues_model.Issue, event webhook_module.HookEventType) *notifyInput {
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return newNotifyInput(issue.Repo, issue.Poster, event)
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}
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func notifyRelease(ctx context.Context, doer *user_model.User, rel *repo_model.Release, action api.HookReleaseAction) {
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if err := rel.LoadAttributes(ctx); err != nil {
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log.Error("LoadAttributes: %v", err)
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return
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}
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permission, _ := access_model.GetUserRepoPermission(ctx, rel.Repo, doer)
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newNotifyInput(rel.Repo, doer, webhook_module.HookEventRelease).
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WithRef(git.RefNameFromTag(rel.TagName).String()).
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WithPayload(&api.ReleasePayload{
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Action: action,
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Release: convert.ToAPIRelease(ctx, rel.Repo, rel),
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Repository: convert.ToRepo(ctx, rel.Repo, permission),
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Sender: convert.ToUser(ctx, doer, nil),
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}).
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Notify(ctx)
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}
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func notifyPackage(ctx context.Context, sender *user_model.User, pd *packages_model.PackageDescriptor, action api.HookPackageAction) {
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if pd.Repository == nil {
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// When a package is uploaded to an organization, it could trigger an event to notify.
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// So the repository could be nil, however, actions can't support that yet.
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// See https://github.com/go-gitea/gitea/pull/17940
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return
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}
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apiPackage, err := convert.ToPackage(ctx, pd, sender)
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if err != nil {
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log.Error("Error converting package: %v", err)
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return
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}
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newNotifyInput(pd.Repository, sender, webhook_module.HookEventPackage).
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WithPayload(&api.PackagePayload{
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Action: action,
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Package: apiPackage,
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Sender: convert.ToUser(ctx, sender, nil),
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}).
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Notify(ctx)
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}
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func ifNeedApproval(ctx context.Context, run *actions_model.ActionRun, repo *repo_model.Repository, user *user_model.User) (bool, error) {
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// 1. don't need approval if it's not a fork PR
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// 2. don't need approval if the event is `pull_request_target` since the workflow will run in the context of base branch
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// see https://docs.github.com/en/actions/managing-workflow-runs/approving-workflow-runs-from-public-forks#about-workflow-runs-from-public-forks
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if !run.IsForkPullRequest || run.TriggerEvent == actions_module.GithubEventPullRequestTarget {
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return false, nil
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}
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// always need approval if the user is restricted
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if user.IsRestricted {
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log.Trace("need approval because user %d is restricted", user.ID)
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return true, nil
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}
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// don't need approval if the user can write
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if perm, err := access_model.GetUserRepoPermission(ctx, repo, user); err != nil {
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return false, fmt.Errorf("GetUserRepoPermission: %w", err)
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} else if perm.CanWrite(unit_model.TypeActions) {
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log.Trace("do not need approval because user %d can write", user.ID)
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return false, nil
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}
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// don't need approval if the user has been approved before
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if count, err := db.Count[actions_model.ActionRun](ctx, actions_model.FindRunOptions{
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RepoID: repo.ID,
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TriggerUserID: user.ID,
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Approved: true,
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}); err != nil {
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return false, fmt.Errorf("CountRuns: %w", err)
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} else if count > 0 {
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log.Trace("do not need approval because user %d has been approved before", user.ID)
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return false, nil
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}
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// otherwise, need approval
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log.Trace("need approval because it's the first time user %d triggered actions", user.ID)
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return true, nil
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}
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func handleSchedules(
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ctx context.Context,
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detectedWorkflows []*actions_module.DetectedWorkflow,
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commit *git.Commit,
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input *notifyInput,
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ref string,
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) error {
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branch, err := commit.GetBranchName()
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if err != nil {
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return err
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}
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if branch != input.Repo.DefaultBranch {
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log.Trace("commit branch is not default branch in repo")
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return nil
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}
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if count, err := db.Count[actions_model.ActionSchedule](ctx, actions_model.FindScheduleOptions{RepoID: input.Repo.ID}); err != nil {
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log.Error("CountSchedules: %v", err)
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return err
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} else if count > 0 {
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if err := actions_model.DeleteScheduleTaskByRepo(ctx, input.Repo.ID); err != nil {
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log.Error("DeleteCronTaskByRepo: %v", err)
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}
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}
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if len(detectedWorkflows) == 0 {
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log.Trace("repo %s with commit %s couldn't find schedules", input.Repo.RepoPath(), commit.ID)
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return nil
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}
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payload := &api.SchedulePayload{
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Action: api.HookScheduleCreated,
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}
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p, err := json.Marshal(payload)
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if err != nil {
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return fmt.Errorf("json.Marshal: %w", err)
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}
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|
|
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: input.Doer.ID,
|
|
Ref: input.Repo.DefaultBranch,
|
|
CommitSHA: commit.ID.String(),
|
|
Event: input.Event,
|
|
EventPayload: string(p),
|
|
Specs: schedules,
|
|
Content: dwf.Content,
|
|
}
|
|
|
|
// cancel running jobs if the event is push
|
|
if run.Event == webhook_module.HookEventPush {
|
|
// cancel running jobs of the same workflow
|
|
if err := actions_model.CancelRunningJobs(
|
|
ctx,
|
|
run.RepoID,
|
|
run.Ref,
|
|
run.WorkflowID,
|
|
); err != nil {
|
|
log.Error("CancelRunningJobs: %v", err)
|
|
}
|
|
}
|
|
crons = append(crons, run)
|
|
}
|
|
|
|
return actions_model.CreateScheduleTask(ctx, crons)
|
|
}
|