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https://github.com/anchore/syft.git
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feat: Support scanning license files in golang packages over the network (#1630)
Signed-off-by: Avi Deitcher <avi@deitcher.net> Signed-off-by: Keith Zantow <kzantow@gmail.com> Signed-off-by: Alex Goodman <alex.goodman@anchore.com> Co-authored-by: Keith Zantow <kzantow@gmail.com> Co-authored-by: Alex Goodman <alex.goodman@anchore.com>
This commit is contained in:
co-authored by
Keith Zantow
Alex Goodman
parent
44422853be
commit
b69259534d
@@ -923,16 +923,19 @@ func TestDirectoryResolver_DoNotAddVirtualPathsToTree(t *testing.T) {
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resolver, err := newDirectoryResolver("./test-fixtures/symlinks-prune-indexing", "")
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require.NoError(t, err)
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allRealPaths := resolver.tree.AllRealPaths()
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var allRealPaths []file.Path
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for l := range resolver.AllLocations() {
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allRealPaths = append(allRealPaths, file.Path(l.RealPath))
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}
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pathSet := file.NewPathSet(allRealPaths...)
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assert.False(t,
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pathSet.Contains("/before-path/file.txt"),
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pathSet.Contains("before-path/file.txt"),
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"symlink destinations should only be indexed at their real path, not through their virtual (symlinked) path",
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)
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assert.False(t,
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pathSet.Contains("/a-path/file.txt"),
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pathSet.Contains("a-path/file.txt"),
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"symlink destinations should only be indexed at their real path, not through their virtual (symlinked) path",
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)
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@@ -0,0 +1,45 @@
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package source
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import (
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"io"
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)
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type EmptyResolver struct{}
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func (e EmptyResolver) FileContentsByLocation(_ Location) (io.ReadCloser, error) {
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return nil, nil
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}
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func (e EmptyResolver) HasPath(_ string) bool {
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return false
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}
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func (e EmptyResolver) FilesByPath(_ ...string) ([]Location, error) {
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return nil, nil
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}
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func (e EmptyResolver) FilesByGlob(_ ...string) ([]Location, error) {
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return nil, nil
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}
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func (e EmptyResolver) FilesByMIMEType(_ ...string) ([]Location, error) {
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return nil, nil
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}
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func (e EmptyResolver) RelativeFileByPath(_ Location, _ string) *Location {
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return nil
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}
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func (e EmptyResolver) AllLocations() <-chan Location {
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return nil
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}
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func (e EmptyResolver) FileMetadataByLocation(_ Location) (FileMetadata, error) {
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return FileMetadata{}, nil
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}
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func (e EmptyResolver) Write(_ Location, _ io.Reader) error {
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return nil
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}
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var _ WritableFileResolver = (*EmptyResolver)(nil)
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@@ -57,3 +57,9 @@ type FileLocationResolver interface {
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// - returns locations for any file or directory
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AllLocations() <-chan Location
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}
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type WritableFileResolver interface {
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FileResolver
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Write(location Location, reader io.Reader) error
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}
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@@ -204,3 +204,7 @@ func (r MockResolver) FilesByBasenameGlob(_ ...string) ([]Location, error) {
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// TODO implement me
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panic("implement me")
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}
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func (r MockResolver) Write(_ Location, _ io.Reader) error {
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return nil
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}
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@@ -0,0 +1,553 @@
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package source
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import (
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"fmt"
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"io"
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"io/fs"
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"os"
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"path"
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"sort"
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"strings"
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"time"
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"github.com/bmatcuk/doublestar/v4"
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"github.com/mitchellh/go-homedir"
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"github.com/spf13/afero"
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"golang.org/x/exp/slices"
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"github.com/anchore/syft/internal/log"
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)
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type UnindexedDirectoryResolver struct {
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ls afero.Lstater
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lr afero.LinkReader
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base string
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dir string
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fs afero.Fs
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}
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func NewUnindexedDirectoryResolver(dir string) WritableFileResolver {
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return NewUnindexedDirectoryResolverFS(afero.NewOsFs(), dir, "")
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}
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func NewUnindexedDirectoryResolverRooted(dir string, base string) WritableFileResolver {
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return NewUnindexedDirectoryResolverFS(afero.NewOsFs(), dir, base)
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}
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func NewUnindexedDirectoryResolverFS(fs afero.Fs, dir string, base string) WritableFileResolver {
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ls, ok := fs.(afero.Lstater)
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if !ok {
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panic(fmt.Sprintf("unable to get afero.Lstater interface from: %+v", fs))
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}
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lr, ok := fs.(afero.LinkReader)
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if !ok {
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panic(fmt.Sprintf("unable to get afero.Lstater interface from: %+v", fs))
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}
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expanded, err := homedir.Expand(dir)
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if err == nil {
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dir = expanded
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}
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if base != "" {
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expanded, err = homedir.Expand(base)
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if err == nil {
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base = expanded
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}
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}
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wd, err := os.Getwd()
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if err == nil {
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if !path.IsAbs(dir) {
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dir = path.Clean(path.Join(wd, dir))
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}
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if base != "" && !path.IsAbs(base) {
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base = path.Clean(path.Join(wd, base))
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}
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}
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return UnindexedDirectoryResolver{
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base: base,
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dir: dir,
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fs: fs,
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ls: ls,
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lr: lr,
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}
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}
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func (u UnindexedDirectoryResolver) FileContentsByLocation(location Location) (io.ReadCloser, error) {
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p := u.absPath(u.scrubInputPath(location.RealPath))
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f, err := u.fs.Open(p)
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if err != nil {
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return nil, err
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}
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fi, err := f.Stat()
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if err != nil {
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return nil, err
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}
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if fi.IsDir() {
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return nil, fmt.Errorf("unable to get contents of directory: %s", location.RealPath)
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}
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return f, nil
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}
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// - full symlink resolution should be performed on all requests
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// - returns locations for any file or directory
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func (u UnindexedDirectoryResolver) HasPath(p string) bool {
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locs, err := u.filesByPath(true, true, p)
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return err == nil && len(locs) > 0
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}
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func (u UnindexedDirectoryResolver) canLstat(p string) bool {
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_, _, err := u.ls.LstatIfPossible(u.absPath(p))
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return err == nil
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}
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func (u UnindexedDirectoryResolver) isRegularFile(p string) bool {
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fi, _, err := u.ls.LstatIfPossible(u.absPath(p))
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return err == nil && !fi.IsDir()
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}
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func (u UnindexedDirectoryResolver) scrubInputPath(p string) string {
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if path.IsAbs(p) {
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p = p[1:]
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}
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return path.Clean(p)
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}
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func (u UnindexedDirectoryResolver) scrubResolutionPath(p string) string {
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if u.base != "" {
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if path.IsAbs(p) {
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p = p[1:]
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}
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for strings.HasPrefix(p, "../") {
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p = p[3:]
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}
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}
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return path.Clean(p)
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}
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func (u UnindexedDirectoryResolver) absPath(p string) string {
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if u.base != "" {
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if path.IsAbs(p) {
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p = p[1:]
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}
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for strings.HasPrefix(p, "../") {
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p = p[3:]
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}
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p = path.Join(u.base, p)
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return path.Clean(p)
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}
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if path.IsAbs(p) {
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return p
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}
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return path.Clean(path.Join(u.dir, p))
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}
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// - full symlink resolution should be performed on all requests
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// - only returns locations to files (NOT directories)
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func (u UnindexedDirectoryResolver) FilesByPath(paths ...string) (out []Location, _ error) {
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return u.filesByPath(true, false, paths...)
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}
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func (u UnindexedDirectoryResolver) filesByPath(resolveLinks bool, includeDirs bool, paths ...string) (out []Location, _ error) {
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// sort here for stable output
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sort.Strings(paths)
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nextPath:
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for _, p := range paths {
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p = u.scrubInputPath(p)
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if u.canLstat(p) && (includeDirs || u.isRegularFile(p)) {
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l := u.newLocation(p, resolveLinks)
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if l == nil {
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continue
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}
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// only include the first entry we find
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for i := range out {
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existing := &out[i]
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if existing.RealPath == l.RealPath {
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if l.VirtualPath == "" {
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existing.VirtualPath = ""
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}
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continue nextPath
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}
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}
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out = append(out, *l)
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}
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}
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return
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}
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// - full symlink resolution should be performed on all requests
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// - if multiple paths to the same file are found, the best single match should be returned
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// - only returns locations to files (NOT directories)
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func (u UnindexedDirectoryResolver) FilesByGlob(patterns ...string) (out []Location, _ error) {
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return u.filesByGlob(true, false, patterns...)
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}
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func (u UnindexedDirectoryResolver) filesByGlob(resolveLinks bool, includeDirs bool, patterns ...string) (out []Location, _ error) {
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f := unindexedDirectoryResolverFS{
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u: u,
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}
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var paths []string
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for _, p := range patterns {
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opts := []doublestar.GlobOption{doublestar.WithNoFollow()}
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if !includeDirs {
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opts = append(opts, doublestar.WithFilesOnly())
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}
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found, err := doublestar.Glob(f, p, opts...)
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if err != nil {
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return nil, err
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}
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paths = append(paths, found...)
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}
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return u.filesByPath(resolveLinks, includeDirs, paths...)
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}
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func (u UnindexedDirectoryResolver) FilesByMIMEType(_ ...string) ([]Location, error) {
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panic("FilesByMIMEType unsupported")
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}
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// RelativeFileByPath fetches a single file at the given path relative to the layer squash of the given reference.
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// This is helpful when attempting to find a file that is in the same layer or lower as another file.
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func (u UnindexedDirectoryResolver) RelativeFileByPath(l Location, p string) *Location {
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p = path.Clean(path.Join(l.RealPath, p))
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locs, err := u.filesByPath(true, false, p)
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if err != nil || len(locs) == 0 {
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return nil
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}
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l = locs[0]
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p = l.RealPath
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if u.isRegularFile(p) {
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return u.newLocation(p, true)
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}
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return nil
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}
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// - NO symlink resolution should be performed on results
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// - returns locations for any file or directory
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func (u UnindexedDirectoryResolver) AllLocations() <-chan Location {
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out := make(chan Location)
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go func() {
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defer close(out)
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err := afero.Walk(u.fs, u.absPath("."), func(p string, info fs.FileInfo, err error) error {
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p = strings.TrimPrefix(p, u.dir)
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if p == "" {
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return nil
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}
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p = strings.TrimPrefix(p, "/")
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out <- Location{
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LocationData: LocationData{
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Coordinates: Coordinates{
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RealPath: p,
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},
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},
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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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log.Debug(err)
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}
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}()
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return out
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}
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func (u UnindexedDirectoryResolver) FileMetadataByLocation(_ Location) (FileMetadata, error) {
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panic("FileMetadataByLocation unsupported")
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}
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func (u UnindexedDirectoryResolver) Write(location Location, reader io.Reader) error {
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filePath := location.RealPath
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if path.IsAbs(filePath) {
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filePath = filePath[1:]
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}
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absPath := u.absPath(filePath)
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return afero.WriteReader(u.fs, absPath, reader)
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}
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var _ FileResolver = (*UnindexedDirectoryResolver)(nil)
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var _ WritableFileResolver = (*UnindexedDirectoryResolver)(nil)
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func (u UnindexedDirectoryResolver) newLocation(filePath string, resolveLinks bool) *Location {
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filePath = path.Clean(filePath)
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virtualPath := ""
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realPath := filePath
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if resolveLinks {
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paths := u.resolveLinks(filePath)
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if len(paths) > 1 {
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realPath = paths[len(paths)-1]
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if realPath != path.Clean(filePath) {
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virtualPath = paths[0]
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}
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}
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if len(paths) == 0 {
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// this file does not exist, don't return a location
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return nil
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}
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}
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return &Location{
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LocationData: LocationData{
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Coordinates: Coordinates{
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RealPath: realPath,
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},
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VirtualPath: virtualPath,
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},
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}
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}
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//nolint:gocognit
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func (u UnindexedDirectoryResolver) resolveLinks(filePath string) []string {
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var visited []string
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out := []string{}
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resolvedPath := ""
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parts := strings.Split(filePath, "/")
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for i := 0; i < len(parts); i++ {
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part := parts[i]
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if resolvedPath == "" {
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resolvedPath = part
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} else {
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resolvedPath = path.Clean(path.Join(resolvedPath, part))
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}
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resolvedPath = u.scrubResolutionPath(resolvedPath)
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if resolvedPath == ".." {
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resolvedPath = ""
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continue
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}
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absPath := u.absPath(resolvedPath)
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if slices.Contains(visited, absPath) {
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return nil // circular links can't resolve
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}
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visited = append(visited, absPath)
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fi, wasLstat, err := u.ls.LstatIfPossible(absPath)
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if fi == nil || err != nil {
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// this file does not exist
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return nil
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}
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for wasLstat && u.isSymlink(fi) {
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next, err := u.lr.ReadlinkIfPossible(absPath)
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if err == nil {
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if !path.IsAbs(next) {
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next = path.Clean(path.Join(path.Dir(resolvedPath), next))
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}
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next = u.scrubResolutionPath(next)
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absPath = u.absPath(next)
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if slices.Contains(visited, absPath) {
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return nil // circular links can't resolve
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}
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visited = append(visited, absPath)
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fi, wasLstat, err = u.ls.LstatIfPossible(absPath)
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if fi == nil || err != nil {
|
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// this file does not exist
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return nil
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}
|
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if i < len(parts) {
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out = append(out, path.Join(resolvedPath, path.Join(parts[i+1:]...)))
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}
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if u.base != "" && path.IsAbs(next) {
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next = next[1:]
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}
|
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resolvedPath = next
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}
|
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}
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}
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|
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out = append(out, resolvedPath)
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|
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return out
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}
|
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|
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func (u UnindexedDirectoryResolver) isSymlink(fi os.FileInfo) bool {
|
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return fi.Mode().Type()&fs.ModeSymlink == fs.ModeSymlink
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}
|
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|
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// ------------------------- fs.FS ------------------------------
|
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|
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// unindexedDirectoryResolverFS wraps the UnindexedDirectoryResolver as a fs.FS, fs.ReadDirFS, and fs.StatFS
|
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type unindexedDirectoryResolverFS struct {
|
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u UnindexedDirectoryResolver
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}
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|
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// resolve takes a virtual path and returns the resolved absolute or relative path and file info
|
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func (f unindexedDirectoryResolverFS) resolve(filePath string) (resolved string, fi fs.FileInfo, err error) {
|
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parts := strings.Split(filePath, "/")
|
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var visited []string
|
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for i, part := range parts {
|
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if i > 0 {
|
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resolved = path.Clean(path.Join(resolved, part))
|
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} else {
|
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resolved = part
|
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}
|
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abs := f.u.absPath(resolved)
|
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fi, _, err = f.u.ls.LstatIfPossible(abs)
|
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if err != nil {
|
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return
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}
|
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for f.u.isSymlink(fi) {
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if slices.Contains(visited, resolved) {
|
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return resolved, fi, fmt.Errorf("link cycle detected at: %s", f.u.absPath(resolved))
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}
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visited = append(visited, resolved)
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link, err := f.u.lr.ReadlinkIfPossible(abs)
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if err != nil {
|
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return resolved, fi, err
|
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}
|
||||
if !path.IsAbs(link) {
|
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link = path.Clean(path.Join(path.Dir(abs), link))
|
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link = strings.TrimPrefix(link, abs)
|
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} else if f.u.base != "" {
|
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link = path.Clean(path.Join(f.u.base, link[1:]))
|
||||
}
|
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resolved = link
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abs = f.u.absPath(resolved)
|
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fi, _, err = f.u.ls.LstatIfPossible(abs)
|
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if err != nil {
|
||||
return resolved, fi, err
|
||||
}
|
||||
}
|
||||
}
|
||||
return resolved, fi, err
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFS) ReadDir(name string) (out []fs.DirEntry, _ error) {
|
||||
p, _, err := f.resolve(name)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
entries, err := afero.ReadDir(f.u.fs, f.u.absPath(p))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
for _, e := range entries {
|
||||
isDir := e.IsDir()
|
||||
_, fi, _ := f.resolve(path.Join(name, e.Name()))
|
||||
if fi != nil && fi.IsDir() {
|
||||
isDir = true
|
||||
}
|
||||
out = append(out, unindexedDirectoryResolverDirEntry{
|
||||
unindexedDirectoryResolverFileInfo: newFsFileInfo(f.u, e.Name(), isDir, e),
|
||||
})
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFS) Stat(name string) (fs.FileInfo, error) {
|
||||
fi, err := f.u.fs.Stat(f.u.absPath(name))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return newFsFileInfo(f.u, name, fi.IsDir(), fi), nil
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFS) Open(name string) (fs.File, error) {
|
||||
_, err := f.u.fs.Open(f.u.absPath(name))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return unindexedDirectoryResolverFile{
|
||||
u: f.u,
|
||||
path: name,
|
||||
}, nil
|
||||
}
|
||||
|
||||
var _ fs.FS = (*unindexedDirectoryResolverFS)(nil)
|
||||
var _ fs.StatFS = (*unindexedDirectoryResolverFS)(nil)
|
||||
var _ fs.ReadDirFS = (*unindexedDirectoryResolverFS)(nil)
|
||||
|
||||
type unindexedDirectoryResolverDirEntry struct {
|
||||
unindexedDirectoryResolverFileInfo
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverDirEntry) Name() string {
|
||||
return f.name
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverDirEntry) IsDir() bool {
|
||||
return f.isDir
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverDirEntry) Type() fs.FileMode {
|
||||
return f.mode
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverDirEntry) Info() (fs.FileInfo, error) {
|
||||
return f, nil
|
||||
}
|
||||
|
||||
var _ fs.DirEntry = (*unindexedDirectoryResolverDirEntry)(nil)
|
||||
|
||||
type unindexedDirectoryResolverFile struct {
|
||||
u UnindexedDirectoryResolver
|
||||
path string
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFile) Stat() (fs.FileInfo, error) {
|
||||
fi, err := f.u.fs.Stat(f.u.absPath(f.path))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return newFsFileInfo(f.u, fi.Name(), fi.IsDir(), fi), nil
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFile) Read(_ []byte) (int, error) {
|
||||
panic("Read not implemented")
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFile) Close() error {
|
||||
panic("Close not implemented")
|
||||
}
|
||||
|
||||
var _ fs.File = (*unindexedDirectoryResolverFile)(nil)
|
||||
|
||||
type unindexedDirectoryResolverFileInfo struct {
|
||||
u UnindexedDirectoryResolver
|
||||
name string
|
||||
size int64
|
||||
mode fs.FileMode
|
||||
modTime time.Time
|
||||
isDir bool
|
||||
sys any
|
||||
}
|
||||
|
||||
func newFsFileInfo(u UnindexedDirectoryResolver, name string, isDir bool, fi os.FileInfo) unindexedDirectoryResolverFileInfo {
|
||||
return unindexedDirectoryResolverFileInfo{
|
||||
u: u,
|
||||
name: name,
|
||||
size: fi.Size(),
|
||||
mode: fi.Mode() & ^fs.ModeSymlink, // pretend nothing is a symlink
|
||||
modTime: fi.ModTime(),
|
||||
isDir: isDir,
|
||||
// sys: fi.Sys(), // what values does this hold?
|
||||
}
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFileInfo) Name() string {
|
||||
return f.name
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFileInfo) Size() int64 {
|
||||
return f.size
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFileInfo) Mode() fs.FileMode {
|
||||
return f.mode
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFileInfo) ModTime() time.Time {
|
||||
return f.modTime
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFileInfo) IsDir() bool {
|
||||
return f.isDir
|
||||
}
|
||||
|
||||
func (f unindexedDirectoryResolverFileInfo) Sys() any {
|
||||
return f.sys
|
||||
}
|
||||
|
||||
var _ fs.FileInfo = (*unindexedDirectoryResolverFileInfo)(nil)
|
||||
@@ -0,0 +1,744 @@
|
||||
//go:build !windows
|
||||
// +build !windows
|
||||
|
||||
package source
|
||||
|
||||
import (
|
||||
"io"
|
||||
"os"
|
||||
"path"
|
||||
"path/filepath"
|
||||
"sort"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/google/go-cmp/cmp"
|
||||
"github.com/scylladb/go-set/strset"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
|
||||
"github.com/anchore/stereoscope/pkg/file"
|
||||
)
|
||||
|
||||
func Test_UnindexedDirectoryResolver_Basic(t *testing.T) {
|
||||
wd, err := os.Getwd()
|
||||
require.NoError(t, err)
|
||||
|
||||
r := NewUnindexedDirectoryResolver(path.Join(wd, "test-fixtures"))
|
||||
locations, err := r.FilesByGlob("image-symlinks/*")
|
||||
require.NoError(t, err)
|
||||
require.Len(t, locations, 5)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByPath_relativeRoot(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
relativeRoot string
|
||||
input string
|
||||
expected []string
|
||||
}{
|
||||
{
|
||||
name: "should find a file from an absolute input",
|
||||
relativeRoot: "./test-fixtures/",
|
||||
input: "/image-symlinks/file-1.txt",
|
||||
expected: []string{
|
||||
"image-symlinks/file-1.txt",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should find a file from a relative path",
|
||||
relativeRoot: "./test-fixtures/",
|
||||
input: "image-symlinks/file-1.txt",
|
||||
expected: []string{
|
||||
"image-symlinks/file-1.txt",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should find a file from a relative path (root above cwd)",
|
||||
relativeRoot: "../",
|
||||
input: "sbom/sbom.go",
|
||||
expected: []string{
|
||||
"sbom/sbom.go",
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver(c.relativeRoot)
|
||||
|
||||
refs, err := resolver.FilesByPath(c.input)
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, refs, len(c.expected))
|
||||
s := strset.New()
|
||||
for _, actual := range refs {
|
||||
s.Add(actual.RealPath)
|
||||
}
|
||||
assert.ElementsMatch(t, c.expected, s.List())
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByPath_absoluteRoot(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
relativeRoot string
|
||||
input string
|
||||
expected []string
|
||||
}{
|
||||
{
|
||||
name: "should find a file from an absolute input",
|
||||
relativeRoot: "./test-fixtures/",
|
||||
input: "/image-symlinks/file-1.txt",
|
||||
expected: []string{
|
||||
"image-symlinks/file-1.txt",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should find a file from a relative path",
|
||||
relativeRoot: "./test-fixtures/",
|
||||
input: "image-symlinks/file-1.txt",
|
||||
expected: []string{
|
||||
"image-symlinks/file-1.txt",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should find a file from a relative path (root above cwd)",
|
||||
relativeRoot: "../",
|
||||
input: "sbom/sbom.go",
|
||||
expected: []string{
|
||||
"sbom/sbom.go",
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
// note: this test is all about asserting correct functionality when the given analysis path
|
||||
// is an absolute path
|
||||
absRoot, err := filepath.Abs(c.relativeRoot)
|
||||
require.NoError(t, err)
|
||||
|
||||
resolver := NewUnindexedDirectoryResolver(absRoot)
|
||||
assert.NoError(t, err)
|
||||
|
||||
refs, err := resolver.FilesByPath(c.input)
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, refs, len(c.expected))
|
||||
s := strset.New()
|
||||
for _, actual := range refs {
|
||||
s.Add(actual.RealPath)
|
||||
}
|
||||
assert.ElementsMatch(t, c.expected, s.List())
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByPath(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
root string
|
||||
input string
|
||||
expected string
|
||||
refCount int
|
||||
forcePositiveHasPath bool
|
||||
}{
|
||||
{
|
||||
name: "finds a file (relative)",
|
||||
root: "./test-fixtures/",
|
||||
input: "image-symlinks/file-1.txt",
|
||||
expected: "image-symlinks/file-1.txt",
|
||||
refCount: 1,
|
||||
},
|
||||
{
|
||||
name: "finds a file with relative indirection",
|
||||
root: "./test-fixtures/../test-fixtures",
|
||||
input: "image-symlinks/file-1.txt",
|
||||
expected: "image-symlinks/file-1.txt",
|
||||
refCount: 1,
|
||||
},
|
||||
{
|
||||
name: "managed non-existing files (relative)",
|
||||
root: "./test-fixtures/",
|
||||
input: "test-fixtures/image-symlinks/bogus.txt",
|
||||
refCount: 0,
|
||||
},
|
||||
{
|
||||
name: "finds a file (absolute)",
|
||||
root: "./test-fixtures/",
|
||||
input: "/image-symlinks/file-1.txt",
|
||||
expected: "image-symlinks/file-1.txt",
|
||||
refCount: 1,
|
||||
},
|
||||
{
|
||||
name: "directories ignored",
|
||||
root: "./test-fixtures/",
|
||||
input: "/image-symlinks",
|
||||
refCount: 0,
|
||||
forcePositiveHasPath: true,
|
||||
},
|
||||
}
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver(c.root)
|
||||
|
||||
hasPath := resolver.HasPath(c.input)
|
||||
if !c.forcePositiveHasPath {
|
||||
if c.refCount != 0 && !hasPath {
|
||||
t.Errorf("expected HasPath() to indicate existence, but did not")
|
||||
} else if c.refCount == 0 && hasPath {
|
||||
t.Errorf("expected HasPath() to NOT indicate existence, but does")
|
||||
}
|
||||
} else if !hasPath {
|
||||
t.Errorf("expected HasPath() to indicate existence, but did not (force path)")
|
||||
}
|
||||
|
||||
refs, err := resolver.FilesByPath(c.input)
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, refs, c.refCount)
|
||||
for _, actual := range refs {
|
||||
assert.Equal(t, c.expected, actual.RealPath)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_MultipleFilesByPath(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
input []string
|
||||
refCount int
|
||||
}{
|
||||
{
|
||||
name: "finds multiple files",
|
||||
input: []string{"image-symlinks/file-1.txt", "image-symlinks/file-2.txt"},
|
||||
refCount: 2,
|
||||
},
|
||||
{
|
||||
name: "skips non-existing files",
|
||||
input: []string{"image-symlinks/bogus.txt", "image-symlinks/file-1.txt"},
|
||||
refCount: 1,
|
||||
},
|
||||
{
|
||||
name: "does not return anything for non-existing directories",
|
||||
input: []string{"non-existing/bogus.txt", "non-existing/file-1.txt"},
|
||||
refCount: 0,
|
||||
},
|
||||
}
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures")
|
||||
refs, err := resolver.FilesByPath(c.input...)
|
||||
assert.NoError(t, err)
|
||||
|
||||
if len(refs) != c.refCount {
|
||||
t.Errorf("unexpected number of refs: %d != %d", len(refs), c.refCount)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByGlobMultiple(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures")
|
||||
refs, err := resolver.FilesByGlob("**/image-symlinks/file*")
|
||||
assert.NoError(t, err)
|
||||
|
||||
assert.Len(t, refs, 2)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByGlobRecursive(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/image-symlinks")
|
||||
refs, err := resolver.FilesByGlob("**/*.txt")
|
||||
assert.NoError(t, err)
|
||||
assert.Len(t, refs, 6)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByGlobSingle(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures")
|
||||
refs, err := resolver.FilesByGlob("**/image-symlinks/*1.txt")
|
||||
assert.NoError(t, err)
|
||||
|
||||
assert.Len(t, refs, 1)
|
||||
assert.Equal(t, "image-symlinks/file-1.txt", refs[0].RealPath)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByPath_ResolvesSymlinks(t *testing.T) {
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
fixture string
|
||||
}{
|
||||
{
|
||||
name: "one degree",
|
||||
fixture: "link_to_new_readme",
|
||||
},
|
||||
{
|
||||
name: "two degrees",
|
||||
fixture: "link_to_link_to_new_readme",
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-simple")
|
||||
|
||||
refs, err := resolver.FilesByPath(test.fixture)
|
||||
require.NoError(t, err)
|
||||
require.Len(t, refs, 1)
|
||||
|
||||
reader, err := resolver.FileContentsByLocation(refs[0])
|
||||
require.NoError(t, err)
|
||||
|
||||
actual, err := io.ReadAll(reader)
|
||||
require.NoError(t, err)
|
||||
|
||||
expected, err := os.ReadFile("test-fixtures/symlinks-simple/readme")
|
||||
require.NoError(t, err)
|
||||
|
||||
require.Equal(t, string(expected), string(actual))
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolverDoesNotIgnoreRelativeSystemPaths(t *testing.T) {
|
||||
// let's make certain that "dev/place" is not ignored, since it is not "/dev/place"
|
||||
resolver := NewUnindexedDirectoryResolver("test-fixtures/system_paths/target")
|
||||
|
||||
// all paths should be found (non filtering matches a path)
|
||||
locations, err := resolver.FilesByGlob("**/place")
|
||||
assert.NoError(t, err)
|
||||
// 4: within target/
|
||||
// 1: target/link --> relative path to "place" // NOTE: this is filtered out since it not unique relative to outside_root/link_target/place
|
||||
// 1: outside_root/link_target/place
|
||||
assert.Len(t, locations, 5)
|
||||
|
||||
// ensure that symlink indexing outside of root worked
|
||||
testLocation := "../outside_root/link_target/place"
|
||||
ok := false
|
||||
for _, location := range locations {
|
||||
if strings.HasSuffix(location.RealPath, testLocation) {
|
||||
ok = true
|
||||
}
|
||||
}
|
||||
|
||||
if !ok {
|
||||
t.Fatalf("could not find test location=%q", testLocation)
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResover_IndexingNestedSymLinks(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-simple")
|
||||
|
||||
// check that we can get the real path
|
||||
locations, err := resolver.FilesByPath("./readme")
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, locations, 1)
|
||||
|
||||
// check that we can access the same file via 1 symlink
|
||||
locations, err = resolver.FilesByPath("./link_to_new_readme")
|
||||
require.NoError(t, err)
|
||||
require.Len(t, locations, 1)
|
||||
assert.Equal(t, "readme", locations[0].RealPath)
|
||||
assert.Equal(t, "link_to_new_readme", locations[0].VirtualPath)
|
||||
|
||||
// check that we can access the same file via 2 symlinks
|
||||
locations, err = resolver.FilesByPath("./link_to_link_to_new_readme")
|
||||
require.NoError(t, err)
|
||||
require.Len(t, locations, 1)
|
||||
assert.Equal(t, "readme", locations[0].RealPath)
|
||||
assert.Equal(t, "link_to_link_to_new_readme", locations[0].VirtualPath)
|
||||
|
||||
// check that we can access the same file via 2 symlinks
|
||||
locations, err = resolver.FilesByGlob("**/link_*")
|
||||
require.NoError(t, err)
|
||||
require.Len(t, locations, 1) // you would think this is 2, however, they point to the same file, and glob only returns unique files
|
||||
|
||||
// returned locations can be in any order
|
||||
expectedVirtualPaths := []string{
|
||||
"link_to_link_to_new_readme",
|
||||
//"link_to_new_readme", // we filter out this one because the first symlink resolves to the same file
|
||||
}
|
||||
|
||||
expectedRealPaths := []string{
|
||||
"readme",
|
||||
}
|
||||
|
||||
actualRealPaths := strset.New()
|
||||
actualVirtualPaths := strset.New()
|
||||
for _, a := range locations {
|
||||
actualVirtualPaths.Add(a.VirtualPath)
|
||||
actualRealPaths.Add(a.RealPath)
|
||||
}
|
||||
|
||||
assert.ElementsMatch(t, expectedVirtualPaths, actualVirtualPaths.List())
|
||||
assert.ElementsMatch(t, expectedRealPaths, actualRealPaths.List())
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResover_IndexingNestedSymLinksOutsideOfRoot(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-multiple-roots/root")
|
||||
|
||||
// check that we can get the real path
|
||||
locations, err := resolver.FilesByPath("./readme")
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, locations, 1)
|
||||
|
||||
// check that we can access the same file via 2 symlinks (link_to_link_to_readme -> link_to_readme -> readme)
|
||||
locations, err = resolver.FilesByPath("./link_to_link_to_readme")
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, locations, 1)
|
||||
|
||||
// something looks wrong here
|
||||
t.Failed()
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResover_RootViaSymlink(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinked-root/nested/link-root")
|
||||
|
||||
locations, err := resolver.FilesByPath("./file1.txt")
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, locations, 1)
|
||||
|
||||
locations, err = resolver.FilesByPath("./nested/file2.txt")
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, locations, 1)
|
||||
|
||||
locations, err = resolver.FilesByPath("./nested/linked-file1.txt")
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, locations, 1)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FileContentsByLocation(t *testing.T) {
|
||||
cwd, err := os.Getwd()
|
||||
require.NoError(t, err)
|
||||
|
||||
r := NewUnindexedDirectoryResolver(path.Join(cwd, "test-fixtures/image-simple"))
|
||||
require.NoError(t, err)
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
location Location
|
||||
expects string
|
||||
err bool
|
||||
}{
|
||||
{
|
||||
name: "use file reference for content requests",
|
||||
location: NewLocation("file-1.txt"),
|
||||
expects: "this file has contents",
|
||||
},
|
||||
{
|
||||
name: "error on empty file reference",
|
||||
location: NewLocationFromDirectory("doesn't matter", file.Reference{}),
|
||||
err: true,
|
||||
},
|
||||
}
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
|
||||
actual, err := r.FileContentsByLocation(test.location)
|
||||
if test.err {
|
||||
require.Error(t, err)
|
||||
return
|
||||
}
|
||||
|
||||
require.NoError(t, err)
|
||||
if test.expects != "" {
|
||||
b, err := io.ReadAll(actual)
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, test.expects, string(b))
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResover_SymlinkLoopWithGlobsShouldResolve(t *testing.T) {
|
||||
test := func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-loop")
|
||||
|
||||
locations, err := resolver.FilesByGlob("**/file.target")
|
||||
require.NoError(t, err)
|
||||
|
||||
require.Len(t, locations, 1)
|
||||
assert.Equal(t, "devices/loop0/file.target", locations[0].RealPath)
|
||||
}
|
||||
|
||||
testWithTimeout(t, 5*time.Second, test)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesByPath_baseRoot(t *testing.T) {
|
||||
cases := []struct {
|
||||
name string
|
||||
root string
|
||||
input string
|
||||
expected []string
|
||||
}{
|
||||
{
|
||||
name: "should find the base file",
|
||||
root: "./test-fixtures/symlinks-base/",
|
||||
input: "./base",
|
||||
expected: []string{
|
||||
"base",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should follow a link with a pivoted root",
|
||||
root: "./test-fixtures/symlinks-base/",
|
||||
input: "./foo",
|
||||
expected: []string{
|
||||
"base",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should follow a relative link with extra parents",
|
||||
root: "./test-fixtures/symlinks-base/",
|
||||
input: "./bar",
|
||||
expected: []string{
|
||||
"base",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should follow an absolute link with extra parents",
|
||||
root: "./test-fixtures/symlinks-base/",
|
||||
input: "./baz",
|
||||
expected: []string{
|
||||
"base",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should follow an absolute link with extra parents",
|
||||
root: "./test-fixtures/symlinks-base/",
|
||||
input: "./sub/link",
|
||||
expected: []string{
|
||||
"sub/item",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "should follow chained pivoted link",
|
||||
root: "./test-fixtures/symlinks-base/",
|
||||
input: "./chain",
|
||||
expected: []string{
|
||||
"base",
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolverRooted(c.root, c.root)
|
||||
|
||||
refs, err := resolver.FilesByPath(c.input)
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, refs, len(c.expected))
|
||||
s := strset.New()
|
||||
for _, actual := range refs {
|
||||
s.Add(actual.RealPath)
|
||||
}
|
||||
assert.ElementsMatch(t, c.expected, s.List())
|
||||
})
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_resolvesLinks(t *testing.T) {
|
||||
tests := []struct {
|
||||
name string
|
||||
runner func(FileResolver) []Location
|
||||
expected []Location
|
||||
}{
|
||||
{
|
||||
name: "by glob to links",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
// links are searched, but resolve to the real files
|
||||
// for that reason we need to place **/ in front (which is not the same for other resolvers)
|
||||
actualLocations, err := resolver.FilesByGlob("**/*ink-*")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
NewVirtualLocation("file-1.txt", "link-1"),
|
||||
NewVirtualLocation("file-2.txt", "link-2"),
|
||||
// we already have this real file path via another link, so only one is returned
|
||||
// NewVirtualLocation("file-2.txt", "link-indirect"),
|
||||
NewVirtualLocation("file-3.txt", "link-within"),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "by basename",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
// links are searched, but resolve to the real files
|
||||
actualLocations, err := resolver.FilesByGlob("**/file-2.txt")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
// this has two copies in the base image, which overwrites the same location
|
||||
NewLocation("file-2.txt"),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "by basename glob",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
// links are searched, but resolve to the real files
|
||||
actualLocations, err := resolver.FilesByGlob("**/file-?.txt")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
NewLocation("file-1.txt"),
|
||||
NewLocation("file-2.txt"),
|
||||
NewLocation("file-3.txt"),
|
||||
NewLocation("parent/file-4.txt"),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "by basename glob to links",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
actualLocations, err := resolver.FilesByGlob("**/link-*")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
NewVirtualLocationFromDirectory("file-1.txt", "link-1", file.Reference{RealPath: "file-1.txt"}),
|
||||
NewVirtualLocationFromDirectory("file-2.txt", "link-2", file.Reference{RealPath: "file-2.txt"}),
|
||||
// we already have this real file path via another link, so only one is returned
|
||||
//NewVirtualLocationFromDirectory("file-2.txt", "link-indirect", file.Reference{RealPath: "file-2.txt"}),
|
||||
NewVirtualLocationFromDirectory("file-3.txt", "link-within", file.Reference{RealPath: "file-3.txt"}),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "by extension",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
// links are searched, but resolve to the real files
|
||||
actualLocations, err := resolver.FilesByGlob("**/*.txt")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
NewLocation("file-1.txt"),
|
||||
NewLocation("file-2.txt"),
|
||||
NewLocation("file-3.txt"),
|
||||
NewLocation("parent/file-4.txt"),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "by path to degree 1 link",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
// links resolve to the final file
|
||||
actualLocations, err := resolver.FilesByPath("/link-2")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
// we have multiple copies across layers
|
||||
NewVirtualLocation("file-2.txt", "link-2"),
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "by path to degree 2 link",
|
||||
runner: func(resolver FileResolver) []Location {
|
||||
// multiple links resolves to the final file
|
||||
actualLocations, err := resolver.FilesByPath("/link-indirect")
|
||||
assert.NoError(t, err)
|
||||
return actualLocations
|
||||
},
|
||||
expected: []Location{
|
||||
// we have multiple copies across layers
|
||||
NewVirtualLocation("file-2.txt", "link-indirect"),
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-from-image-symlinks-fixture")
|
||||
|
||||
actual := test.runner(resolver)
|
||||
|
||||
compareLocations(t, test.expected, actual)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_DoNotAddVirtualPathsToTree(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-prune-indexing")
|
||||
|
||||
allLocations := resolver.AllLocations()
|
||||
var allRealPaths []file.Path
|
||||
for l := range allLocations {
|
||||
allRealPaths = append(allRealPaths, file.Path(l.RealPath))
|
||||
}
|
||||
pathSet := file.NewPathSet(allRealPaths...)
|
||||
|
||||
assert.False(t,
|
||||
pathSet.Contains("before-path/file.txt"),
|
||||
"symlink destinations should only be indexed at their real path, not through their virtual (symlinked) path",
|
||||
)
|
||||
|
||||
assert.False(t,
|
||||
pathSet.Contains("a-path/file.txt"),
|
||||
"symlink destinations should only be indexed at their real path, not through their virtual (symlinked) path",
|
||||
)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_FilesContents_errorOnDirRequest(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/system_paths")
|
||||
|
||||
dirLoc := NewLocation("arg/foo")
|
||||
|
||||
reader, err := resolver.FileContentsByLocation(dirLoc)
|
||||
require.Error(t, err)
|
||||
require.Nil(t, reader)
|
||||
}
|
||||
|
||||
func Test_UnindexedDirectoryResolver_AllLocations(t *testing.T) {
|
||||
resolver := NewUnindexedDirectoryResolver("./test-fixtures/symlinks-from-image-symlinks-fixture")
|
||||
|
||||
paths := strset.New()
|
||||
for loc := range resolver.AllLocations() {
|
||||
if strings.HasPrefix(loc.RealPath, "/") {
|
||||
// ignore outside of the fixture root for now
|
||||
continue
|
||||
}
|
||||
paths.Add(loc.RealPath)
|
||||
}
|
||||
expected := []string{
|
||||
"file-1.txt",
|
||||
"file-2.txt",
|
||||
"file-3.txt",
|
||||
"link-1",
|
||||
"link-2",
|
||||
"link-dead",
|
||||
"link-indirect",
|
||||
"link-within",
|
||||
"parent",
|
||||
"parent-link",
|
||||
"parent/file-4.txt",
|
||||
}
|
||||
|
||||
pathsList := paths.List()
|
||||
sort.Strings(pathsList)
|
||||
|
||||
assert.ElementsMatchf(t, expected, pathsList, "expected all paths to be indexed, but found different paths: \n%s", cmp.Diff(expected, paths.List()))
|
||||
}
|
||||
|
||||
func Test_WritableUnindexedDirectoryResolver(t *testing.T) {
|
||||
tmpdir := t.TempDir()
|
||||
|
||||
p := "some/path/file"
|
||||
c := "some contents"
|
||||
|
||||
dr := NewUnindexedDirectoryResolver(tmpdir)
|
||||
|
||||
locations, err := dr.FilesByPath(p)
|
||||
require.NoError(t, err)
|
||||
require.Len(t, locations, 0)
|
||||
|
||||
err = dr.Write(NewLocation(p), strings.NewReader(c))
|
||||
require.NoError(t, err)
|
||||
|
||||
locations, err = dr.FilesByPath(p)
|
||||
require.NoError(t, err)
|
||||
require.Len(t, locations, 1)
|
||||
|
||||
reader, err := dr.FileContentsByLocation(locations[0])
|
||||
require.NoError(t, err)
|
||||
bytes, err := io.ReadAll(reader)
|
||||
require.Equal(t, c, string(bytes))
|
||||
}
|
||||
Reference in New Issue
Block a user