github.com/cs3org/reva/v2@v2.27.7/pkg/share/manager/jsoncs3/shareid/shareid.go (about)

     1  // Copyright 2018-2021 CERN
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  // In applying this license, CERN does not waive the privileges and immunities
    16  // granted to it by virtue of its status as an Intergovernmental Organization
    17  // or submit itself to any jurisdiction.
    18  
    19  package shareid
    20  
    21  import "strings"
    22  
    23  const (
    24  	// IDDelimiter is used to separate the providerid, spaceid and shareid
    25  	IDDelimiter = ":"
    26  )
    27  
    28  // Encode encodes a share id
    29  func Encode(providerID, spaceID, shareID string) string {
    30  	return providerID + IDDelimiter + spaceID + IDDelimiter + shareID
    31  }
    32  
    33  // Decode decodes an encoded shareid
    34  // share ids are of the format <storageid>:<spaceid>:<shareid>
    35  func Decode(id string) (string, string, string) {
    36  	parts := strings.SplitN(id, IDDelimiter, 3)
    37  	switch len(parts) {
    38  	case 1:
    39  		return "", "", parts[0]
    40  	case 2:
    41  		return parts[0], parts[1], ""
    42  	default:
    43  		return parts[0], parts[1], parts[2]
    44  	}
    45  }