mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-13 01:40:23 +00:00
e5d9b68d36
Bumps the golang-dependencies group with 1 update: [golang.org/x/crypto](https://github.com/golang/crypto). Updates `golang.org/x/crypto` from 0.16.0 to 0.17.0 - [Commits](https://github.com/golang/crypto/compare/v0.16.0...v0.17.0) --- updated-dependencies: - dependency-name: golang.org/x/crypto dependency-type: direct:production update-type: version-update:semver-minor dependency-group: golang-dependencies ... Signed-off-by: dependabot[bot] <support@github.com>
88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
// Copyright 2020 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package ext
|
|
|
|
import (
|
|
"encoding/base64"
|
|
|
|
"github.com/google/cel-go/cel"
|
|
"github.com/google/cel-go/common/types"
|
|
"github.com/google/cel-go/common/types/ref"
|
|
)
|
|
|
|
// Encoders returns a cel.EnvOption to configure extended functions for string, byte, and object
|
|
// encodings.
|
|
//
|
|
// # Base64.Decode
|
|
//
|
|
// Decodes base64-encoded string to bytes.
|
|
//
|
|
// This function will return an error if the string input is not base64-encoded.
|
|
//
|
|
// base64.decode(<string>) -> <bytes>
|
|
//
|
|
// Examples:
|
|
//
|
|
// base64.decode('aGVsbG8=') // return b'hello'
|
|
// base64.decode('aGVsbG8') // error
|
|
//
|
|
// # Base64.Encode
|
|
//
|
|
// Encodes bytes to a base64-encoded string.
|
|
//
|
|
// base64.encode(<bytes>) -> <string>
|
|
//
|
|
// Examples:
|
|
//
|
|
// base64.encode(b'hello') // return b'aGVsbG8='
|
|
func Encoders() cel.EnvOption {
|
|
return cel.Lib(encoderLib{})
|
|
}
|
|
|
|
type encoderLib struct{}
|
|
|
|
func (encoderLib) LibraryName() string {
|
|
return "cel.lib.ext.encoders"
|
|
}
|
|
|
|
func (encoderLib) CompileOptions() []cel.EnvOption {
|
|
return []cel.EnvOption{
|
|
cel.Function("base64.decode",
|
|
cel.Overload("base64_decode_string", []*cel.Type{cel.StringType}, cel.BytesType,
|
|
cel.UnaryBinding(func(str ref.Val) ref.Val {
|
|
s := str.(types.String)
|
|
return bytesOrError(base64DecodeString(string(s)))
|
|
}))),
|
|
cel.Function("base64.encode",
|
|
cel.Overload("base64_encode_bytes", []*cel.Type{cel.BytesType}, cel.StringType,
|
|
cel.UnaryBinding(func(bytes ref.Val) ref.Val {
|
|
b := bytes.(types.Bytes)
|
|
return stringOrError(base64EncodeBytes([]byte(b)))
|
|
}))),
|
|
}
|
|
}
|
|
|
|
func (encoderLib) ProgramOptions() []cel.ProgramOption {
|
|
return []cel.ProgramOption{}
|
|
}
|
|
|
|
func base64DecodeString(str string) ([]byte, error) {
|
|
return base64.StdEncoding.DecodeString(str)
|
|
}
|
|
|
|
func base64EncodeBytes(bytes []byte) (string, error) {
|
|
return base64.StdEncoding.EncodeToString(bytes), nil
|
|
}
|