// Stat - send a 'HEAD' on a bucket or object to fetch its metadata.
func (c *s3Client) Stat() (*client.Content, *probe.Error) {
c.mu.Lock()
objectMetadata := new(client.Content)
bucket, object := c.url2BucketAndObject()
switch {
// valid case for 'ls -r s3/'
case bucket == "" && object == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
c.mu.Unlock()
return nil, probe.NewError(bucket.Err)
}
}
c.mu.Unlock()
return &client.Content{URL: *c.hostURL, Type: os.ModeDir}, nil
}
if object != "" {
metadata, e := c.api.StatObject(bucket, object)
if e != nil {
c.mu.Unlock()
errResponse := minio.ToErrorResponse(e)
if errResponse != nil {
if errResponse.Code == "NoSuchKey" {
// Append "/" to the object name proactively and see if the Listing
// produces an output. If yes, then we treat it as a directory.
prefixName := object
// Trim any trailing separators and add it.
prefixName = strings.TrimSuffix(prefixName, string(c.hostURL.Separator)) + string(c.hostURL.Separator)
for objectStat := range c.api.ListObjects(bucket, prefixName, false) {
if objectStat.Err != nil {
return nil, probe.NewError(objectStat.Err)
}
content := client.Content{}
content.URL = *c.hostURL
content.Type = os.ModeDir
return &content, nil
}
return nil, probe.NewError(client.PathNotFound{Path: c.hostURL.Path})
}
}
return nil, probe.NewError(e)
}
objectMetadata.URL = *c.hostURL
objectMetadata.Time = metadata.LastModified
objectMetadata.Size = metadata.Size
objectMetadata.Type = os.FileMode(0664)
c.mu.Unlock()
return objectMetadata, nil
}
e := c.api.BucketExists(bucket)
if e != nil {
c.mu.Unlock()
return nil, probe.NewError(e)
}
bucketMetadata := new(client.Content)
bucketMetadata.URL = *c.hostURL
bucketMetadata.Type = os.ModeDir
c.mu.Unlock()
return bucketMetadata, nil
}
// Stat - send a 'HEAD' on a bucket or object to get its metadata
func (c *s3Client) Stat() (*client.Content, *probe.Error) {
c.mu.Lock()
objectMetadata := new(client.Content)
bucket, object := c.url2BucketAndObject()
switch {
// valid case for s3/...
case bucket == "" && object == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
c.mu.Unlock()
return nil, probe.NewError(bucket.Err)
}
}
c.mu.Unlock()
return &client.Content{URL: *c.hostURL, Type: os.ModeDir}, nil
}
if object != "" {
metadata, err := c.api.StatObject(bucket, object)
if err != nil {
c.mu.Unlock()
errResponse := minio.ToErrorResponse(err)
if errResponse != nil {
if errResponse.Code == "NoSuchKey" {
for content := range c.List(false, false) {
if content.Err != nil {
return nil, content.Err.Trace()
}
content.Content.URL = *c.hostURL
content.Content.Type = os.ModeDir
content.Content.Size = 0
return content.Content, nil
}
}
}
return nil, probe.NewError(err)
}
objectMetadata.URL = *c.hostURL
objectMetadata.Time = metadata.LastModified
objectMetadata.Size = metadata.Size
objectMetadata.Type = os.FileMode(0664)
c.mu.Unlock()
return objectMetadata, nil
}
err := c.api.BucketExists(bucket)
if err != nil {
c.mu.Unlock()
return nil, probe.NewError(err)
}
bucketMetadata := new(client.Content)
bucketMetadata.URL = *c.hostURL
bucketMetadata.Type = os.ModeDir
c.mu.Unlock()
return bucketMetadata, nil
}
func (c *s3Client) listIncompleteRecursiveInRoutine(contentCh chan *client.Content) {
defer close(contentCh)
// get bucket and object from URL.
b, o := c.url2BucketAndObject()
switch {
case b == "" && o == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(bucket.Err),
}
return
}
for object := range c.api.ListIncompleteUploads(bucket.Name, o, true) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
return
}
content := new(client.Content)
url := *c.hostURL
url.Path = filepath.Join(url.Path, bucket.Name, object.Key)
content.URL = url
content.Size = object.Size
content.Time = object.Initiated
content.Type = os.ModeTemporary
contentCh <- content
}
}
default:
for object := range c.api.ListIncompleteUploads(b, o, true) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
return
}
url := *c.hostURL
// Join bucket and incoming object key.
url.Path = filepath.Join(string(url.Separator), b, object.Key)
if c.virtualStyle {
url.Path = filepath.Join(string(url.Separator), object.Key)
}
content := new(client.Content)
content.URL = url
content.Size = object.Size
content.Time = object.Initiated
content.Type = os.ModeTemporary
contentCh <- content
}
}
}
func (c *s3Client) listRecursiveInRoutine(contentCh chan *client.Content) {
defer close(contentCh)
// get bucket and object from URL.
b, o := c.url2BucketAndObject()
switch {
case b == "" && o == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(bucket.Err),
}
return
}
bucketURL := *c.hostURL
bucketURL.Path = filepath.Join(bucketURL.Path, bucket.Name)
contentCh <- &client.Content{
URL: bucketURL,
Type: os.ModeDir,
Time: bucket.CreationDate,
}
for object := range c.api.ListObjects(bucket.Name, o, true) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
continue
}
content := new(client.Content)
objectURL := *c.hostURL
objectURL.Path = filepath.Join(objectURL.Path, bucket.Name, object.Key)
content.URL = objectURL
content.Size = object.Size
content.Time = object.LastModified
content.Type = os.FileMode(0664)
contentCh <- content
}
}
default:
for object := range c.api.ListObjects(b, o, true) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
continue
}
content := new(client.Content)
url := *c.hostURL
// Join bucket and incoming object key.
url.Path = filepath.Join(string(url.Separator), b, object.Key)
// If virtualStyle replace the url.Path back.
if c.virtualStyle {
url.Path = filepath.Join(string(url.Separator), object.Key)
}
content.URL = url
content.Size = object.Size
content.Time = object.LastModified
content.Type = os.FileMode(0664)
contentCh <- content
}
}
}
func (c *s3Client) listInRoutine(contentCh chan *client.Content) {
defer close(contentCh)
// get bucket and object from URL.
b, o := c.url2BucketAndObject()
switch {
case b == "" && o == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(bucket.Err),
}
return
}
url := *c.hostURL
url.Path = filepath.Join(url.Path, bucket.Name)
content := new(client.Content)
content.URL = url
content.Size = 0
content.Time = bucket.CreationDate
content.Type = os.ModeDir
contentCh <- content
}
case b != "" && !strings.HasSuffix(c.hostURL.Path, string(c.hostURL.Separator)) && o == "":
e := c.api.BucketExists(b)
if e != nil {
contentCh <- &client.Content{
Err: probe.NewError(e),
}
}
content := new(client.Content)
content.URL = *c.hostURL
content.Type = os.ModeDir
contentCh <- content
default:
metadata, e := c.api.StatObject(b, o)
switch e.(type) {
case nil:
content := new(client.Content)
content.URL = *c.hostURL
content.Time = metadata.LastModified
content.Size = metadata.Size
content.Type = os.FileMode(0664)
contentCh <- content
default:
for object := range c.api.ListObjects(b, o, false) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
return
}
content := new(client.Content)
url := *c.hostURL
// Join bucket and incoming object key.
url.Path = filepath.Join(string(url.Separator), b, object.Key)
if c.virtualStyle {
url.Path = filepath.Join(string(url.Separator), object.Key)
}
switch {
case strings.HasSuffix(object.Key, string(c.hostURL.Separator)):
// We need to keep the trailing Separator, do not use filepath.Join().
content.URL = url
content.Time = time.Now()
content.Type = os.ModeDir
default:
content.URL = url
content.Size = object.Size
content.Time = object.LastModified
content.Type = os.FileMode(0664)
}
contentCh <- content
}
}
}
}
func (c *s3Client) listIncompleteInRoutine(contentCh chan *client.Content) {
defer close(contentCh)
// get bucket and object from URL.
b, o := c.url2BucketAndObject()
switch {
case b == "" && o == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(bucket.Err),
}
return
}
for object := range c.api.ListIncompleteUploads(bucket.Name, o, false) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
return
}
content := new(client.Content)
url := *c.hostURL
// Join bucket with - incoming object key.
url.Path = filepath.Join(string(url.Separator), bucket.Name, object.Key)
if c.virtualStyle {
url.Path = filepath.Join(string(url.Separator), object.Key)
}
switch {
case strings.HasSuffix(object.Key, string(c.hostURL.Separator)):
// We need to keep the trailing Separator, do not use filepath.Join().
content.URL = url
content.Time = time.Now()
content.Type = os.ModeDir
default:
content.URL = url
content.Size = object.Size
content.Time = object.Initiated
content.Type = os.ModeTemporary
}
contentCh <- content
}
}
default:
for object := range c.api.ListIncompleteUploads(b, o, false) {
if object.Err != nil {
contentCh <- &client.Content{
Err: probe.NewError(object.Err),
}
return
}
content := new(client.Content)
url := *c.hostURL
// Join bucket with - incoming object key.
url.Path = filepath.Join(string(url.Separator), b, object.Key)
if c.virtualStyle {
url.Path = filepath.Join(string(url.Separator), object.Key)
}
switch {
case strings.HasSuffix(object.Key, string(c.hostURL.Separator)):
// We need to keep the trailing Separator, do not use filepath.Join().
content.URL = url
content.Time = time.Now()
content.Type = os.ModeDir
default:
content.URL = url
content.Size = object.Size
content.Time = object.Initiated
content.Type = os.ModeTemporary
}
contentCh <- content
}
}
}
func (c *s3Client) listRecursiveInRoutine(contentCh chan client.ContentOnChannel) {
defer close(contentCh)
// get bucket and object from URL
b, o := c.url2BucketAndObject()
switch {
case b == "" && o == "":
for bucket := range c.api.ListBuckets() {
if bucket.Err != nil {
contentCh <- client.ContentOnChannel{
Content: nil,
Err: probe.NewError(bucket.Err),
}
return
}
for object := range c.api.ListObjects(bucket.Stat.Name, o, true) {
if object.Err != nil {
contentCh <- client.ContentOnChannel{
Content: nil,
Err: probe.NewError(object.Err),
}
return
}
content := new(client.Content)
url := *c.hostURL
url.Path = filepath.Join(url.Path, bucket.Stat.Name, object.Stat.Key)
content.URL = url
content.Size = object.Stat.Size
content.Time = object.Stat.LastModified
content.Type = os.FileMode(0664)
contentCh <- client.ContentOnChannel{
Content: content,
Err: nil,
}
}
}
default:
for object := range c.api.ListObjects(b, o, true) {
if object.Err != nil {
contentCh <- client.ContentOnChannel{
Content: nil,
Err: probe.NewError(object.Err),
}
return
}
content := new(client.Content)
url := *c.hostURL
// join bucket and incoming object key.
url.Path = filepath.Join(string(url.Separator), b, object.Stat.Key)
// if virtualStyle replace the url.Path back.
if c.virtualStyle {
url.Path = filepath.Join(string(url.Separator), object.Stat.Key)
}
content.URL = url
content.Size = object.Stat.Size
content.Time = object.Stat.LastModified
content.Type = os.FileMode(0664)
contentCh <- client.ContentOnChannel{
Content: content,
Err: nil,
}
}
}
}
