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storage.go
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/
storage.go
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package filebrowser
import (
"io"
"golang.org/x/net/context"
"google.golang.org/cloud/storage"
)
func listBucket(ctx context.Context, bucketName, folder string) ([]string, []string, error) {
client, err := storage.NewClient(ctx)
if err != nil {
return nil, nil, err
}
defer client.Close()
var files, folders []string
query := &storage.Query{
Delimiter: "/",
Prefix: folder,
}
// objs is *storage.Objects
objs, err := client.Bucket(bucketName).List(ctx, query)
if err != nil {
return nil, nil, err
}
for _, subfolder := range objs.Prefixes {
folders = append(folders, subfolder[len(folder):])
}
for _, obj := range objs.Results {
files = append(files, obj.Name)
}
return files, folders, nil
}
func putFile(ctx context.Context, bucketName, fileName string, rdr io.Reader) error {
client, err := storage.NewClient(ctx)
if err != nil {
return err
}
defer client.Close()
writer := client.Bucket(bucketName).Object(fileName).NewWriter(ctx)
writer.ACL = []storage.ACLRule{
{storage.AllUsers, storage.RoleReader},
}
io.Copy(writer, rdr)
return writer.Close()
}