mirror of
https://github.com/anchore/syft.git
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129 lines
3.0 KiB
Go
129 lines
3.0 KiB
Go
package scope
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"github.com/anchore/imgbom/internal/log"
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"github.com/anchore/stereoscope/pkg/file"
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"github.com/anchore/stereoscope/pkg/image"
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)
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type DirectoryScope struct {
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Option Option
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Path string
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}
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func (s DirectoryScope) String() string {
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return fmt.Sprintf("dir://%s", s.Path)
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}
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func (s DirectoryScope) FilesByPath(userPaths ...file.Path) ([]file.Reference, error) {
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var references = make([]file.Reference, 0)
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for _, userPath := range userPaths {
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resolvedPath := path.Join(s.Path, string(userPath))
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_, err := os.Stat(resolvedPath)
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if os.IsNotExist(err) {
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continue
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} else if err != nil {
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log.Errorf("path (%s) is not valid: %v", resolvedPath, err)
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}
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filePath := file.Path(resolvedPath)
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references = append(references, file.NewFileReference(filePath))
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}
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return references, nil
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}
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func fileContents(path file.Path) ([]byte, error) {
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contents, err := ioutil.ReadFile(string(path))
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if err != nil {
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return nil, err
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}
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return contents, nil
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}
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func (s DirectoryScope) FilesByGlob(patterns ...string) ([]file.Reference, error) {
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result := make([]file.Reference, 0)
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for _, pattern := range patterns {
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pathPattern := path.Join(s.Path, pattern)
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matches, err := filepath.Glob(pathPattern)
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if err != nil {
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return result, err
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}
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for _, match := range matches {
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fileMeta, err := os.Stat(match)
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if err != nil {
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continue
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}
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if fileMeta.IsDir() {
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continue
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}
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matchedPath := file.Path(match)
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result = append(result, file.NewFileReference(matchedPath))
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}
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}
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return result, nil
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}
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func (s DirectoryScope) MultipleFileContentsByRef(f ...file.Reference) (map[file.Reference]string, error) {
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refContents := make(map[file.Reference]string)
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for _, fileRef := range f {
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contents, err := fileContents(fileRef.Path)
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if err != nil {
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return refContents, fmt.Errorf("could not read contents of file: %s", fileRef.Path)
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}
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refContents[fileRef] = string(contents)
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}
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return refContents, nil
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}
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type ImageScope struct {
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Option Option
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resolver FileResolver
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Image *image.Image
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}
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func NewDirScope(path string, option Option) (DirectoryScope, error) {
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return DirectoryScope{
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Option: option,
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Path: path,
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}, nil
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}
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func NewImageScope(img *image.Image, option Option) (ImageScope, error) {
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if img == nil {
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return ImageScope{}, fmt.Errorf("no image given")
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}
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resolver, err := getFileResolver(img, option)
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if err != nil {
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return ImageScope{}, fmt.Errorf("could not determine file resolver: %w", err)
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}
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return ImageScope{
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Option: option,
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resolver: resolver,
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Image: img,
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}, nil
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}
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func (s ImageScope) FilesByPath(paths ...file.Path) ([]file.Reference, error) {
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return s.resolver.FilesByPath(paths...)
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}
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func (s ImageScope) FilesByGlob(patterns ...string) ([]file.Reference, error) {
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return s.resolver.FilesByGlob(patterns...)
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}
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func (s ImageScope) MultipleFileContentsByRef(f ...file.Reference) (map[file.Reference]string, error) {
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return s.Image.MultipleFileContentsByRef(f...)
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}
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