// CreateTempURL is a function for creating a temporary URL for an object. It
// allows users to have "GET" or "POST" access to a particular tenant's object
// for a limited amount of time.
func CreateTempURL(c *gophercloud.ServiceClient, containerName, objectName string, opts CreateTempURLOpts) (string, error) {
if opts.Split == "" {
opts.Split = "/v1/"
}
duration := time.Duration(opts.TTL) * time.Second
expiry := time.Now().Add(duration).Unix()
getHeader, err := accounts.Get(c, nil).Extract()
if err != nil {
return "", err
}
secretKey := []byte(getHeader.TempURLKey)
url := getURL(c, containerName, objectName)
splitPath := strings.Split(url, opts.Split)
baseURL, objectPath := splitPath[0], splitPath[1]
objectPath = opts.Split + objectPath
body := fmt.Sprintf("%s\n%d\n%s", opts.Method, expiry, objectPath)
hash := hmac.New(sha1.New, secretKey)
hash.Write([]byte(body))
hexsum := fmt.Sprintf("%x", hash.Sum(nil))
return fmt.Sprintf("%s%s?temp_url_sig=%s&temp_url_expires=%d", baseURL, objectPath, hexsum, expiry), nil
}
// Get is a function that retrieves an account's metadata. To extract just the
// custom metadata, call the ExtractMetadata method on the GetResult. To extract
// all the headers that are returned (including the metadata), call the
// ExtractHeader method on the GetResult.
func Get(c *gophercloud.ServiceClient) os.GetResult {
return os.Get(c, nil)
}