106 lines
2.1 KiB
Go
106 lines
2.1 KiB
Go
package alpineunfixed
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import (
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"context"
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"encoding/json"
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"io/fs"
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"log"
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"os"
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"path/filepath"
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"golang.org/x/xerrors"
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"github.com/aquasecurity/vuln-list-update/utils"
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)
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const (
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alpineDir = "alpine-unfixed"
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secFixUrl = "https://aquasecurity.github.io/secfixes-tracker/all.tar.gz"
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)
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type Updater struct {
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*options
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}
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type options struct {
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vulnListDir string
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url string
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}
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type option func(*options)
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func WithVulnListDir(dir string) option {
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return func(opts *options) {
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opts.vulnListDir = dir
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}
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}
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func WithURL(url string) option {
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return func(opts *options) {
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opts.url = url
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}
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}
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func NewUpdater(opts ...option) Updater {
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o := &options{
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vulnListDir: utils.VulnListDir(),
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url: secFixUrl,
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}
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for _, opt := range opts {
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opt(o)
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}
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return Updater{
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options: o,
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}
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}
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func (u Updater) Update() error {
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dir := filepath.Join(u.vulnListDir, alpineDir)
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log.Printf("Remove Alpine directory %s", dir)
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if err := os.RemoveAll(dir); err != nil {
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return xerrors.Errorf("failed to remove Alpine unfixed directory: %w", err)
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}
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if err := os.MkdirAll(dir, 0755); err != nil {
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return xerrors.Errorf("mkdir error: %w", err)
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}
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log.Println("Fetching Alpine unfixed data...")
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ctx := context.Background()
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tmpDir, err := utils.DownloadToTempDir(ctx, u.url)
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if err != nil {
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return xerrors.Errorf("alpine secfixes download error: %w", err)
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}
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defer os.RemoveAll(tmpDir) // nolint: errcheck
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log.Println("Saving Alpine unfixed data...")
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err = filepath.Walk(tmpDir, func(path string, info fs.FileInfo, err error) error {
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if err != nil {
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return err
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} else if info.IsDir() {
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return nil
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}
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f, err := os.Open(path)
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if err != nil {
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return xerrors.Errorf("file open error: %w", err)
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}
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var vuln unfixedVulnerability
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if err = json.NewDecoder(f).Decode(&vuln); err != nil {
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return xerrors.Errorf("JSON decode error: %w", err)
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}
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filePath := filepath.Join(dir, vuln.ID) + ".json"
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if err = utils.Write(filePath, vuln); err != nil {
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return xerrors.Errorf("write error: %w", err)
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}
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return nil
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})
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if err != nil {
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return xerrors.Errorf("walk error: %w", err)
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}
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return nil
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}
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