79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package debanator
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import (
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"io"
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"io/fs"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"strings"
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log "github.com/sirupsen/logrus"
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)
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// A backend to search for packages in
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type Backend interface {
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GetFiles() ([]DebFile, error)
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ServeFiles(string) http.Handler
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}
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type ReaderAtCloser interface {
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io.ReaderAt
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io.ReadCloser
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}
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// An abstract interface for reading a debfile. This could be coming from the local fs,
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// a remote webdav share, etc...
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type DebFile interface {
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GetReader() (ReaderAtCloser, error)
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GetName() string
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}
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type FileBackend struct {
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path string
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}
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// A deb file existing on the local filesystem
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type fsDebFile struct {
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path string
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}
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func (f fsDebFile) GetReader() (ReaderAtCloser, error) {
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return os.Open(f.path)
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}
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func (f fsDebFile) GetName() string {
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_, name := filepath.Split(f.path)
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return name
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}
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func NewFileBackend(path string) FileBackend {
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return FileBackend{path}
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}
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func (fb FileBackend) ServeFiles(prefix string) http.Handler {
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return http.StripPrefix(path.Join(prefix, "pool"), http.FileServer(http.Dir(fb.path)))
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}
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func (fb FileBackend) GetFiles() ([]DebFile, error) {
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var debs []DebFile
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fs.WalkDir(os.DirFS(fb.path), ".", func(dirpath string, dir fs.DirEntry, err error) error {
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if err != nil {
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log.WithFields(log.Fields{
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"path": dirpath,
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"error": err,
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}).Warn("Error scanning for debs")
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return nil
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}
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if !dir.IsDir() && strings.HasSuffix(dir.Name(), ".deb") {
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debs = append(debs, DebFile(fsDebFile{
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filepath.Join(fb.path, dirpath),
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}))
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}
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return nil
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})
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log.Infof("got files: %v", debs)
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return debs, nil
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}
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