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// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package actions
import (
"bytes"
"io"
"strings"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
api "code.gitea.io/gitea/modules/structs"
webhook_module "code.gitea.io/gitea/modules/webhook"
"github.com/gobwas/glob"
"github.com/nektos/act/pkg/jobparser"
"github.com/nektos/act/pkg/model"
)
func ListWorkflows(commit *git.Commit) (git.Entries, error) {
tree, err := commit.SubTree(".gitea/workflows")
if _, ok := err.(git.ErrNotExist); ok {
tree, err = commit.SubTree(".github/workflows")
}
if _, ok := err.(git.ErrNotExist); ok {
return nil, nil
}
if err != nil {
return nil, err
}
entries, err := tree.ListEntriesRecursiveFast()
if err != nil {
return nil, err
}
ret := make(git.Entries, 0, len(entries))
for _, entry := range entries {
if strings.HasSuffix(entry.Name(), ".yml") || strings.HasSuffix(entry.Name(), ".yaml") {
ret = append(ret, entry)
}
}
return ret, nil
}
func DetectWorkflows(commit *git.Commit, triggedEvent webhook_module.HookEventType, payload api.Payloader) (map[string][]byte, error) {
entries, err := ListWorkflows(commit)
if err != nil {
return nil, err
}
workflows := make(map[string][]byte, len(entries))
for _, entry := range entries {
f, err := entry.Blob().DataAsync()
if err != nil {
return nil, err
}
content, err := io.ReadAll(f)
_ = f.Close()
if err != nil {
return nil, err
}
workflow, err := model.ReadWorkflow(bytes.NewReader(content))
if err != nil {
log.Warn("ignore invalid workflow %q: %v", entry.Name(), err)
continue
}
events, err := jobparser.ParseRawOn(&workflow.RawOn)
if err != nil {
log.Warn("ignore invalid workflow %q: %v", entry.Name(), err)
continue
}
for _, evt := range events {
if evt.Name != triggedEvent.Event() {
continue
}
if detectMatched(commit, triggedEvent, payload, evt) {
workflows[entry.Name()] = content
}
}
}
return workflows, nil
}
func detectMatched(commit *git.Commit, triggedEvent webhook_module.HookEventType, payload api.Payloader, evt *jobparser.Event) bool {
if len(evt.Acts) == 0 {
return true
}
switch triggedEvent {
case webhook_module.HookEventCreate:
fallthrough
case webhook_module.HookEventDelete:
fallthrough
case webhook_module.HookEventFork:
log.Warn("unsupported event %q", triggedEvent.Event())
return false
case webhook_module.HookEventPush:
pushPayload := payload.(*api.PushPayload)
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts {
switch cond {
case "branches", "tags":
for _, val := range vals {
if glob.MustCompile(val, '/').Match(pushPayload.Ref) {
matchTimes++
break
}
}
case "paths":
filesChanged, err := commit.GetFilesChangedSinceCommit(pushPayload.Before)
if err != nil {
log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
} else {
for _, val := range vals {
matched := false
for _, file := range filesChanged {
if glob.MustCompile(val, '/').Match(file) {
matched = true
break
}
}
if matched {
matchTimes++
break
}
}
}
default:
log.Warn("unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts)
case webhook_module.HookEventIssues:
fallthrough
case webhook_module.HookEventIssueAssign:
fallthrough
case webhook_module.HookEventIssueLabel:
fallthrough
case webhook_module.HookEventIssueMilestone:
fallthrough
case webhook_module.HookEventIssueComment:
fallthrough
case webhook_module.HookEventPullRequest:
prPayload := payload.(*api.PullRequestPayload)
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts {
switch cond {
case "types":
for _, val := range vals {
if glob.MustCompile(val, '/').Match(string(prPayload.Action)) {
matchTimes++
break
}
}
case "branches":
for _, val := range vals {
if glob.MustCompile(val, '/').Match(prPayload.PullRequest.Base.Ref) {
matchTimes++
break
}
}
case "paths":
filesChanged, err := commit.GetFilesChangedSinceCommit(prPayload.PullRequest.Base.Ref)
if err != nil {
log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
} else {
for _, val := range vals {
matched := false
for _, file := range filesChanged {
if glob.MustCompile(val, '/').Match(file) {
matched = true
break
}
}
if matched {
matchTimes++
break
}
}
}
default:
log.Warn("unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts)
case webhook_module.HookEventPullRequestAssign:
fallthrough
case webhook_module.HookEventPullRequestLabel:
fallthrough
case webhook_module.HookEventPullRequestMilestone:
fallthrough
case webhook_module.HookEventPullRequestComment:
fallthrough
case webhook_module.HookEventPullRequestReviewApproved:
fallthrough
case webhook_module.HookEventPullRequestReviewRejected:
fallthrough
case webhook_module.HookEventPullRequestReviewComment:
fallthrough
case webhook_module.HookEventPullRequestSync:
fallthrough
case webhook_module.HookEventWiki:
fallthrough
case webhook_module.HookEventRepository:
fallthrough
case webhook_module.HookEventRelease:
fallthrough
case webhook_module.HookEventPackage:
fallthrough
default:
log.Warn("unsupported event %q", triggedEvent.Event())
}
return false
}
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