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package blobs
import (
"fmt"
"net/url"
"strings"
"github.com/tombuildsstuff/giovanni/storage/internal/endpoints"
)
// GetResourceID returns the Resource ID for the given Blob
// This can be useful when, for example, you're using this as a unique identifier
func (client Client) GetResourceID(accountName, containerName, blobName string) string {
domain := endpoints.GetBlobEndpoint(client.BaseURI, accountName)
return fmt.Sprintf("%s/%s/%s", domain, containerName, blobName)
}
type ResourceID struct {
AccountName string
ContainerName string
BlobName string
}
// ParseResourceID parses the Resource ID and returns an object which can be used
// to interact with the Blob Resource
func ParseResourceID(id string) (*ResourceID, error) {
// example: https://foo.blob.core.windows.net/Bar/example.vhd
if id == "" {
return nil, fmt.Errorf("`id` was empty")
}
uri, err := url.Parse(id)
if err != nil {
return nil, fmt.Errorf("Error parsing ID as a URL: %s", err)
}
accountName, err := endpoints.GetAccountNameFromEndpoint(uri.Host)
if err != nil {
return nil, fmt.Errorf("Error parsing Account Name: %s", err)
}
path := strings.TrimPrefix(uri.Path, "/")
segments := strings.Split(path, "/")
if len(segments) == 0 {
return nil, fmt.Errorf("Expected the path to contain segments but got none")
}
containerName := segments[0]
blobName := strings.TrimPrefix(path, containerName)
blobName = strings.TrimPrefix(blobName, "/")
return &ResourceID{
AccountName: *accountName,
ContainerName: containerName,
BlobName: blobName,
}, nil
}
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