// ListObjects - GET bucket (list objects)
func (fs *fsDriver) ListObjects(bucket string, resources drivers.BucketResourcesMetadata) ([]drivers.ObjectMetadata, drivers.BucketResourcesMetadata, error) {
p := bucketDir{}
p.files = make(map[string]os.FileInfo)
if drivers.IsValidBucket(bucket) == false {
return []drivers.ObjectMetadata{}, resources, iodine.New(drivers.BucketNameInvalid{Bucket: bucket}, nil)
}
if resources.Prefix != "" && drivers.IsValidObjectName(resources.Prefix) == false {
return []drivers.ObjectMetadata{}, resources, iodine.New(drivers.ObjectNameInvalid{Bucket: bucket, Object: resources.Prefix}, nil)
}
rootPrefix := filepath.Join(fs.root, bucket)
// check bucket exists
if _, err := os.Stat(rootPrefix); os.IsNotExist(err) {
return []drivers.ObjectMetadata{}, resources, iodine.New(drivers.BucketNotFound{Bucket: bucket}, nil)
}
p.root = rootPrefix
err := filepath.Walk(rootPrefix, p.getAllFiles)
if err != nil {
return []drivers.ObjectMetadata{}, resources, iodine.New(err, nil)
}
var metadataList []drivers.ObjectMetadata
var metadata drivers.ObjectMetadata
// Populate filtering mode
resources.Mode = drivers.GetMode(resources)
var fileNames []string
for name := range p.files {
fileNames = append(fileNames, name)
}
sort.Strings(fileNames)
for _, name := range fileNames {
if len(metadataList) >= resources.Maxkeys {
resources.IsTruncated = true
if resources.IsTruncated && resources.IsDelimiterSet() {
resources.NextMarker = metadataList[len(metadataList)-1].Key
}
break
}
if name > resources.Marker {
metadata, resources, err = fs.filterObjects(bucket, name, p.files[name], resources)
if err != nil {
return []drivers.ObjectMetadata{}, resources, iodine.New(err, nil)
}
if metadata.Bucket != "" {
metadataList = append(metadataList, metadata)
}
}
}
sort.Sort(byObjectKey(metadataList))
return metadataList, resources, nil
}
