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package proton_api_bridge
import (
"context"
"io"
"log"
"os"
"github.com/ProtonMail/gopenpgp/v2/crypto"
"github.com/henrybear327/go-proton-api"
)
func (protonDrive *ProtonDrive) listDirectoriesRecursively(
ctx context.Context,
parentNodeKR *crypto.KeyRing,
link *proton.Link,
download bool,
maxDepth, curDepth /* 0-based */ int,
excludeRoot bool,
pathSoFar string,
paths *[]string) error {
/*
Assumptions:
- we only care about the active ones
*/
if link.State != proton.LinkStateActive {
return nil
}
// log.Println("curDepth", curDepth, "pathSoFar", pathSoFar)
var currentPath = ""
if !(excludeRoot && curDepth == 0) {
signatureVerificationKR, err := protonDrive.getSignatureVerificationKeyring([]string{link.NameSignatureEmail, link.SignatureEmail})
if err != nil {
return err
}
name, err := link.GetName(parentNodeKR, signatureVerificationKR)
if err != nil {
return err
}
currentPath = pathSoFar + "/" + name
// log.Println("currentPath", currentPath)
if paths != nil {
*paths = append(*paths, currentPath)
}
}
if download {
if protonDrive.Config.DataFolderName == "" {
return ErrDataFolderNameIsEmpty
}
if link.Type == proton.LinkTypeFile {
log.Println("Downloading", currentPath)
defer log.Println("Completes downloading", currentPath)
reader, _, _, err := protonDrive.DownloadFile(ctx, link, 0)
if err != nil {
return err
}
byteArray, err := io.ReadAll(reader)
if err != nil {
return err
}
err = os.WriteFile("./"+protonDrive.Config.DataFolderName+"/"+currentPath, byteArray, 0777)
if err != nil {
return err
}
} else /* folder */ {
if !(excludeRoot && curDepth == 0) {
// log.Println("Creating folder", currentPath)
// defer log.Println("Completes creating folder", currentPath)
err := os.Mkdir("./"+protonDrive.Config.DataFolderName+"/"+currentPath, 0777)
if err != nil {
return err
}
}
}
}
if maxDepth == -1 || curDepth < maxDepth {
if link.Type == proton.LinkTypeFolder {
childrenLinks, err := protonDrive.c.ListChildren(ctx, protonDrive.MainShare.ShareID, link.LinkID, true)
if err != nil {
return err
}
// log.Printf("childrenLinks len = %v, %#v", len(childrenLinks), childrenLinks)
if childrenLinks != nil {
// get current node's keyring
signatureVerificationKR, err := protonDrive.getSignatureVerificationKeyring([]string{link.SignatureEmail})
if err != nil {
return err
}
linkKR, err := link.GetKeyRing(parentNodeKR, signatureVerificationKR)
if err != nil {
return err
}
for _, childLink := range childrenLinks {
err = protonDrive.listDirectoriesRecursively(ctx, linkKR, &childLink, download, maxDepth, curDepth+1, excludeRoot, currentPath, paths)
if err != nil {
return err
}
}
}
}
}
return nil
}
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