Louis Seubert
abdb555e1a
All checks were successful
default / test artifact actions (push) Successful in 29s
133 lines
2.7 KiB
Go
133 lines
2.7 KiB
Go
package pull
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import (
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"archive/zip"
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"context"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"code.geekeey.de/actions/sdk"
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"code.geekeey.de/actions/sdk/artifact"
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)
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type Action struct {
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*sdk.Action
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}
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func New(action *sdk.Action) *Action {
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return &Action{Action: action}
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}
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type Config struct {
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Name string
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Path string
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}
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func ParseConfig(get func(string) string) (*Config, error) {
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name := get("name")
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if len(name) == 0 {
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return nil, fmt.Errorf("input 'name': is empty")
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}
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path := get("path")
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if len(path) == 0 {
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path = "."
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}
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return &Config{Name: name, Path: path}, nil
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}
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func (a *Action) Run(ctx context.Context) error {
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cfg, err := ParseConfig(a.GetInput)
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if err != nil {
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return err
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}
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run, job, err := artifact.JobInfo()
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if err != nil {
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return fmt.Errorf("unable to get job info: %v", err)
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}
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client := artifact.NewClientFromEnv(os.Getenv)
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signed, err := client.GetSignedArtifactURL(ctx, artifact.GetSignedArtifactURLRequest{
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RunID: run,
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JobRunID: job,
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Name: cfg.Name,
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})
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if err != nil {
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return fmt.Errorf("cannot get signed artifact URL: %w", err)
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}
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if signed.SignedUrl == "" {
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return fmt.Errorf("no signed URL for artifact %q", cfg.Name)
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}
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tmp, err := os.CreateTemp("", "artifact-*.zip")
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if err != nil {
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return fmt.Errorf("cannot create temporary file: %w", err)
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}
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defer os.Remove(tmp.Name())
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defer tmp.Close()
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res, err := artifact.PullBlob(ctx, nil, tmp, signed.SignedUrl)
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if err != nil {
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return fmt.Errorf("cannot download artifact: %w", err)
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}
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if err := ExtractArchive(tmp.Name(), cfg.Path); err != nil {
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return fmt.Errorf("cannot extract artifact: %w", err)
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}
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a.Noticef("downloaded artifact %s (%d bytes)", cfg.Name, res.Size)
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return nil
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}
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// ExtractArchive extracts the zip file at zipPath into dest. Entries that would
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// escape dest are rejected.
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func ExtractArchive(zipPath, dest string) error {
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r, err := zip.OpenReader(zipPath)
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if err != nil {
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return err
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}
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defer r.Close()
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for _, f := range r.File {
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if err := extractFile(f, dest); err != nil {
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return err
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}
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}
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return nil
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}
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func extractFile(f *zip.File, dest string) error {
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cleanDest := filepath.Clean(dest)
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target := filepath.Join(cleanDest, f.Name)
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if target != cleanDest && !strings.HasPrefix(target, cleanDest+string(os.PathSeparator)) {
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return fmt.Errorf("illegal file path %q", f.Name)
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}
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if f.FileInfo().IsDir() {
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return os.MkdirAll(target, 0o755)
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}
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if err := os.MkdirAll(filepath.Dir(target), 0o755); err != nil {
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return err
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}
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rc, err := f.Open()
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if err != nil {
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return err
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}
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defer rc.Close()
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out, err := os.OpenFile(target, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
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if err != nil {
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return err
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}
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defer out.Close()
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_, err = io.Copy(out, rc)
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return err
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}
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