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pikpak: fix cid/gcid calculations for fs.OverrideRemote

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Previously, cid/gcid (custom hash for pikpak) calculations failed when 
attempting to unwrap object info from `fs.OverrideRemote`. 

This commit introduces a new function that can correctly unwrap 
object info from both regular objects and `fs.OverrideRemote` types, 
ensuring uploads with accurate cid/gcid calculations in all scenarios.
This commit is contained in:
wiserain 2024-09-21 10:22:31 +09:00 committed by Nick Craig-Wood
parent 06ae0dfa54
commit 6d04be99f2
2 changed files with 14 additions and 2 deletions
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14
backend/pikpak/helper.go
View File

@ -378,11 +378,23 @@ func calcGcid(r io.Reader, size int64) (string, error) {
return hex.EncodeToString(totalHash.Sum(nil)), nil
}
// unWrapObjectInfo returns the underlying Object unwrapped as much as
// possible or nil even if it is an OverrideRemote
func unWrapObjectInfo(oi fs.ObjectInfo) fs.Object {
if o, ok := oi.(fs.Object); ok {
return fs.UnWrapObject(o)
} else if do, ok := oi.(*fs.OverrideRemote); ok {
// Unwrap if it is an operations.OverrideRemote
return do.UnWrap()
}
return nil
}
// calcCid calculates Cid from source
//
// Cid is a simplified version of Gcid
func calcCid(ctx context.Context, src fs.ObjectInfo) (cid string, err error) {
srcObj := fs.UnWrapObjectInfo(src)
srcObj := unWrapObjectInfo(src)
if srcObj == nil {
return "", fmt.Errorf("failed to unwrap object from src: %s", src)
}

2
backend/pikpak/pikpak.go
View File

@ -1773,7 +1773,7 @@ func (o *Object) upload(ctx context.Context, in io.Reader, src fs.ObjectInfo, wi
gcid, err := o.fs.getGcid(ctx, src)
if err != nil || gcid == "" {
fs.Debugf(o, "calculating gcid: %v", err)
if srcObj := fs.UnWrapObjectInfo(src); srcObj != nil && srcObj.Fs().Features().IsLocal {
if srcObj := unWrapObjectInfo(src); srcObj != nil && srcObj.Fs().Features().IsLocal {
// No buffering; directly calculate gcid from source
rc, err := srcObj.Open(ctx)
if err != nil {