362 lines
10 KiB
Go
362 lines
10 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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"io"
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"strings"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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api "code.gitea.io/gitea/modules/structs"
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webhook_module "code.gitea.io/gitea/modules/webhook"
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"github.com/gobwas/glob"
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"github.com/nektos/act/pkg/jobparser"
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"github.com/nektos/act/pkg/model"
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"github.com/nektos/act/pkg/workflowpattern"
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"gopkg.in/yaml.v3"
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)
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func init() {
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model.OnDecodeNodeError = func(node yaml.Node, out interface{}, err error) {
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// Log the error instead of panic or fatal.
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// It will be a big job to refactor act/pkg/model to return decode error,
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// so we just log the error and return empty value, and improve it later.
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log.Error("Failed to decode node %v into %T: %v", node, out, err)
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}
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}
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func ListWorkflows(commit *git.Commit) (git.Entries, error) {
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tree, err := commit.SubTree(".gitea/workflows")
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if _, ok := err.(git.ErrNotExist); ok {
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tree, err = commit.SubTree(".github/workflows")
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}
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if _, ok := err.(git.ErrNotExist); ok {
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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entries, err := tree.ListEntriesRecursiveFast()
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if err != nil {
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return nil, err
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}
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ret := make(git.Entries, 0, len(entries))
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for _, entry := range entries {
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if strings.HasSuffix(entry.Name(), ".yml") || strings.HasSuffix(entry.Name(), ".yaml") {
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ret = append(ret, entry)
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}
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}
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return ret, nil
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}
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func DetectWorkflows(commit *git.Commit, triggedEvent webhook_module.HookEventType, payload api.Payloader) (map[string][]byte, error) {
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entries, err := ListWorkflows(commit)
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if err != nil {
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return nil, err
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}
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workflows := make(map[string][]byte, len(entries))
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for _, entry := range entries {
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f, err := entry.Blob().DataAsync()
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if err != nil {
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return nil, err
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}
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content, err := io.ReadAll(f)
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_ = f.Close()
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if err != nil {
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return nil, err
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}
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workflow, err := model.ReadWorkflow(bytes.NewReader(content))
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if err != nil {
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log.Warn("ignore invalid workflow %q: %v", entry.Name(), err)
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continue
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}
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events, err := jobparser.ParseRawOn(&workflow.RawOn)
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if err != nil {
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log.Warn("ignore invalid workflow %q: %v", entry.Name(), err)
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continue
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}
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for _, evt := range events {
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log.Trace("detect workflow %q for event %#v matching %q", entry.Name(), evt, triggedEvent)
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if detectMatched(commit, triggedEvent, payload, evt) {
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workflows[entry.Name()] = content
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}
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}
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}
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return workflows, nil
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}
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func detectMatched(commit *git.Commit, triggedEvent webhook_module.HookEventType, payload api.Payloader, evt *jobparser.Event) bool {
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if !canGithubEventMatch(evt.Name, triggedEvent) {
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return false
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}
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switch triggedEvent {
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case webhook_module.HookEventCreate,
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webhook_module.HookEventDelete,
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webhook_module.HookEventFork,
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webhook_module.HookEventIssueAssign,
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webhook_module.HookEventIssueLabel,
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webhook_module.HookEventIssueMilestone,
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webhook_module.HookEventPullRequestAssign,
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webhook_module.HookEventPullRequestLabel,
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webhook_module.HookEventPullRequestMilestone,
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webhook_module.HookEventPullRequestComment,
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webhook_module.HookEventPullRequestReviewApproved,
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webhook_module.HookEventPullRequestReviewRejected,
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webhook_module.HookEventPullRequestReviewComment,
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webhook_module.HookEventWiki,
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webhook_module.HookEventRepository,
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webhook_module.HookEventRelease,
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webhook_module.HookEventPackage:
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if len(evt.Acts()) != 0 {
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log.Warn("Ignore unsupported %s event arguments %v", triggedEvent, evt.Acts())
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}
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// no special filter parameters for these events, just return true if name matched
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return true
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case webhook_module.HookEventPush:
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return matchPushEvent(commit, payload.(*api.PushPayload), evt)
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case webhook_module.HookEventIssues:
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return matchIssuesEvent(commit, payload.(*api.IssuePayload), evt)
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case webhook_module.HookEventPullRequest, webhook_module.HookEventPullRequestSync:
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return matchPullRequestEvent(commit, payload.(*api.PullRequestPayload), evt)
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case webhook_module.HookEventIssueComment:
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return matchIssueCommentEvent(commit, payload.(*api.IssueCommentPayload), evt)
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default:
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log.Warn("unsupported event %q", triggedEvent)
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return false
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}
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}
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func matchPushEvent(commit *git.Commit, pushPayload *api.PushPayload, evt *jobparser.Event) bool {
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// with no special filter parameters
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if len(evt.Acts()) == 0 {
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return true
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}
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matchTimes := 0
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hasBranchFilter := false
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hasTagFilter := false
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refName := git.RefName(pushPayload.Ref)
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// all acts conditions should be satisfied
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for cond, vals := range evt.Acts() {
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switch cond {
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case "branches":
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hasBranchFilter = true
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if !refName.IsBranch() {
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break
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}
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Skip(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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case "branches-ignore":
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hasBranchFilter = true
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if !refName.IsBranch() {
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break
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}
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Filter(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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case "tags":
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hasTagFilter = true
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if !refName.IsTag() {
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break
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}
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Skip(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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case "tags-ignore":
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hasTagFilter = true
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if !refName.IsTag() {
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break
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}
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Filter(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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case "paths":
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filesChanged, err := commit.GetFilesChangedSinceCommit(pushPayload.Before)
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if err != nil {
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log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
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} else {
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Skip(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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}
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case "paths-ignore":
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filesChanged, err := commit.GetFilesChangedSinceCommit(pushPayload.Before)
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if err != nil {
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log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
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} else {
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Filter(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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}
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default:
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log.Warn("push event unsupported condition %q", cond)
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}
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}
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// if both branch and tag filter are defined in the workflow only one needs to match
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if hasBranchFilter && hasTagFilter {
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matchTimes++
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}
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return matchTimes == len(evt.Acts())
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}
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func matchIssuesEvent(commit *git.Commit, issuePayload *api.IssuePayload, evt *jobparser.Event) bool {
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// with no special filter parameters
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if len(evt.Acts()) == 0 {
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return true
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}
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matchTimes := 0
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// all acts conditions should be satisfied
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for cond, vals := range evt.Acts() {
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switch cond {
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case "types":
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for _, val := range vals {
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if glob.MustCompile(val, '/').Match(string(issuePayload.Action)) {
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matchTimes++
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break
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}
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}
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default:
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log.Warn("issue event unsupported condition %q", cond)
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}
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}
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return matchTimes == len(evt.Acts())
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}
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func matchPullRequestEvent(commit *git.Commit, prPayload *api.PullRequestPayload, evt *jobparser.Event) bool {
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// with no special filter parameters
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if len(evt.Acts()) == 0 {
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// defaultly, only pull request opened and synchronized will trigger workflow
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return prPayload.Action == api.HookIssueSynchronized || prPayload.Action == api.HookIssueOpened
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}
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matchTimes := 0
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// all acts conditions should be satisfied
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for cond, vals := range evt.Acts() {
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switch cond {
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case "types":
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action := prPayload.Action
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if prPayload.Action == api.HookIssueSynchronized {
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action = "synchronize"
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}
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log.Trace("matching pull_request %s with %v", action, vals)
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for _, val := range vals {
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if glob.MustCompile(val, '/').Match(string(action)) {
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matchTimes++
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break
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}
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}
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case "branches":
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refName := git.RefName(prPayload.PullRequest.Base.Ref)
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Skip(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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case "branches-ignore":
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refName := git.RefName(prPayload.PullRequest.Base.Ref)
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Filter(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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case "paths":
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filesChanged, err := commit.GetFilesChangedSinceCommit(prPayload.PullRequest.Base.Ref)
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if err != nil {
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log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
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} else {
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Skip(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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}
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case "paths-ignore":
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filesChanged, err := commit.GetFilesChangedSinceCommit(prPayload.PullRequest.Base.Ref)
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if err != nil {
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log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
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} else {
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patterns, err := workflowpattern.CompilePatterns(vals...)
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if err != nil {
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break
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}
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if !workflowpattern.Filter(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
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matchTimes++
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}
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}
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default:
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log.Warn("pull request event unsupported condition %q", cond)
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}
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}
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return matchTimes == len(evt.Acts())
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}
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func matchIssueCommentEvent(commit *git.Commit, issueCommentPayload *api.IssueCommentPayload, evt *jobparser.Event) bool {
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// with no special filter parameters
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if len(evt.Acts()) == 0 {
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return true
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}
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matchTimes := 0
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// all acts conditions should be satisfied
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for cond, vals := range evt.Acts() {
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switch cond {
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case "types":
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for _, val := range vals {
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if glob.MustCompile(val, '/').Match(string(issueCommentPayload.Action)) {
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matchTimes++
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break
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}
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}
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default:
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log.Warn("issue comment unsupported condition %q", cond)
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}
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}
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return matchTimes == len(evt.Acts())
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}
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