mirror of
https://github.com/ceph/ceph-csi.git
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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
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ext
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import (
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"encoding/base64"
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"github.com/google/cel-go/cel"
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"github.com/google/cel-go/common/types"
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"github.com/google/cel-go/common/types/ref"
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)
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// Encoders returns a cel.EnvOption to configure extended functions for string, byte, and object
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// encodings.
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//
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// # Base64.Decode
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//
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// Decodes base64-encoded string to bytes.
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//
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// This function will return an error if the string input is not base64-encoded.
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//
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// base64.decode(<string>) -> <bytes>
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//
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// Examples:
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//
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// base64.decode('aGVsbG8=') // return b'hello'
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// base64.decode('aGVsbG8') // error
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//
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// # Base64.Encode
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//
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// Encodes bytes to a base64-encoded string.
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//
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// base64.encode(<bytes>) -> <string>
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//
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// Examples:
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//
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// base64.encode(b'hello') // return b'aGVsbG8='
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func Encoders() cel.EnvOption {
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return cel.Lib(encoderLib{})
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}
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type encoderLib struct{}
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func (encoderLib) LibraryName() string {
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return "cel.lib.ext.encoders"
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}
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func (encoderLib) CompileOptions() []cel.EnvOption {
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return []cel.EnvOption{
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cel.Function("base64.decode",
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cel.Overload("base64_decode_string", []*cel.Type{cel.StringType}, cel.BytesType,
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cel.UnaryBinding(func(str ref.Val) ref.Val {
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s := str.(types.String)
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return bytesOrError(base64DecodeString(string(s)))
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}))),
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cel.Function("base64.encode",
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cel.Overload("base64_encode_bytes", []*cel.Type{cel.BytesType}, cel.StringType,
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cel.UnaryBinding(func(bytes ref.Val) ref.Val {
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b := bytes.(types.Bytes)
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return stringOrError(base64EncodeBytes([]byte(b)))
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}))),
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}
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}
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func (encoderLib) ProgramOptions() []cel.ProgramOption {
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return []cel.ProgramOption{}
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}
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func base64DecodeString(str string) ([]byte, error) {
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return base64.StdEncoding.DecodeString(str)
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}
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func base64EncodeBytes(bytes []byte) (string, error) {
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return base64.StdEncoding.EncodeToString(bytes), nil
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}
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