Method get

s3/server_test.go:378–452

GET on a bucket lists the objects in the bucket. http://docs.amazonwebservices.com/AmazonS3/latest/API/RESTBucketGET.html

(a *action)

// GET on a bucket lists the objects in the bucket.
// http://docs.amazonwebservices.com/AmazonS3/latest/API/RESTBucketGET.html
func (r bucketResource) get(a *action) interface{} {
	if r.bucket == nil {
		fatalError(404, "NoSuchBucket", "The specified bucket does not exist")
	}
	delimiter := a.req.Form.Get("delimiter")
	marker := a.req.Form.Get("marker")
	maxKeys := -1
	if s := a.req.Form.Get("max-keys"); s != "" {
		i, err := strconv.Atoi(s)
		if err != nil || i < 0 {
			fatalError(400, "invalid value for max-keys", "%q", s)
		}
		maxKeys = i
	}
	prefix := a.req.Form.Get("prefix")
	a.w.Header().Set("Content-Type", "application/xml")

	if a.req.Method == "HEAD" {
		return nil
	}

	var objs orderedObjects

	// first get all matching objects and arrange them in alphabetical order.
	for name, obj := range r.bucket.objects {
		if strings.HasPrefix(name, prefix) {
			objs = append(objs, obj)
		}
	}
	sort.Sort(objs)

	if maxKeys <= 0 {
		maxKeys = 1000
	}
	resp := &ListResp{
		Name:      r.bucket.name,
		Prefix:    prefix,
		Delimiter: delimiter,
		Marker:    marker,
		MaxKeys:   maxKeys,
	}

	var prefixes []CommonPrefix
	for _, obj := range objs {
		if !strings.HasPrefix(obj.name, prefix) {
			continue
		}
		name := obj.name
		isPrefix := false
		if delimiter != "" {
			if i := strings.Index(obj.name[len(prefix):], delimiter); i >= 0 {
				name = obj.name[:len(prefix)+i+len(delimiter)]
				if prefixes != nil && prefixes[len(prefixes)-1].Prefix == name {
					continue
				}
				isPrefix = true
			}
		}