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Replace k8s.io/kubernetes dep with a copy. (#7)
* Replace k8s.io/kubernetes dep with a small copy. * Group k8s updates. * Run tests.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /* | ||
| Copyright 2014 The Kubernetes Authors. | ||
| 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 credentialprovider | ||
|
|
||
| import ( | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "fmt" | ||
| "strings" | ||
| ) | ||
|
|
||
| // DockerConfigJSON represents ~/.docker/config.json file info | ||
| // see https://github.com/docker/docker/pull/12009 | ||
| type DockerConfigJSON struct { | ||
| Auths DockerConfig `json:"auths"` | ||
| // +optional | ||
| HTTPHeaders map[string]string `json:"HttpHeaders,omitempty"` | ||
| } | ||
|
|
||
| // DockerConfig represents the config file used by the docker CLI. | ||
| // This config that represents the credentials that should be used | ||
| // when pulling images from specific image repositories. | ||
| type DockerConfig map[string]DockerConfigEntry | ||
|
|
||
| // DockerConfigEntry wraps a docker config as a entry | ||
| type DockerConfigEntry struct { | ||
| Username string | ||
| Password string | ||
| Email string | ||
| Provider DockerConfigProvider | ||
| } | ||
|
|
||
| // dockerConfigEntryWithAuth is used solely for deserializing the Auth field | ||
| // into a dockerConfigEntry during JSON deserialization. | ||
| type dockerConfigEntryWithAuth struct { | ||
| // +optional | ||
| Username string `json:"username,omitempty"` | ||
| // +optional | ||
| Password string `json:"password,omitempty"` | ||
| // +optional | ||
| Email string `json:"email,omitempty"` | ||
| // +optional | ||
| Auth string `json:"auth,omitempty"` | ||
| } | ||
|
|
||
| // UnmarshalJSON implements the json.Unmarshaler interface. | ||
| func (ident *DockerConfigEntry) UnmarshalJSON(data []byte) error { | ||
| var tmp dockerConfigEntryWithAuth | ||
| err := json.Unmarshal(data, &tmp) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| ident.Username = tmp.Username | ||
| ident.Password = tmp.Password | ||
| ident.Email = tmp.Email | ||
|
|
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| if len(tmp.Auth) == 0 { | ||
| return nil | ||
| } | ||
|
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| ident.Username, ident.Password, err = decodeDockerConfigFieldAuth(tmp.Auth) | ||
| return err | ||
| } | ||
|
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| // decodeDockerConfigFieldAuth deserializes the "auth" field from dockercfg into a | ||
| // username and a password. The format of the auth field is base64(<username>:<password>). | ||
| func decodeDockerConfigFieldAuth(field string) (username, password string, err error) { | ||
|
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| var decoded []byte | ||
|
|
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| // StdEncoding can only decode padded string | ||
| // RawStdEncoding can only decode unpadded string | ||
| if strings.HasSuffix(strings.TrimSpace(field), "=") { | ||
| // decode padded data | ||
| decoded, err = base64.StdEncoding.DecodeString(field) | ||
| } else { | ||
| // decode unpadded data | ||
| decoded, err = base64.RawStdEncoding.DecodeString(field) | ||
| } | ||
|
|
||
| if err != nil { | ||
| return | ||
| } | ||
|
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| parts := strings.SplitN(string(decoded), ":", 2) | ||
| if len(parts) != 2 { | ||
| err = fmt.Errorf("unable to parse auth field, must be formatted as base64(username:password)") | ||
| return | ||
| } | ||
|
|
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| username = parts[0] | ||
| password = parts[1] | ||
|
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| return | ||
| } | ||
|
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| func encodeDockerConfigFieldAuth(username, password string) string { | ||
| fieldValue := username + ":" + password | ||
|
|
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| return base64.StdEncoding.EncodeToString([]byte(fieldValue)) | ||
| } |
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