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util.go
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util.go
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// Copyright Project Harbor 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 auth
import (
"encoding/json"
"io/ioutil"
"net/http"
"net/url"
"github.com/docker/distribution/registry/auth/token"
commonhttp "github.com/goharbor/harbor/src/common/http"
"github.com/goharbor/harbor/src/common/models"
"github.com/goharbor/harbor/src/common/utils/registry"
)
const (
service = "harbor-registry"
)
// GetToken requests a token against the endpoint using credetial provided
func GetToken(endpoint string, insecure bool, credential Credential,
scopes []*token.ResourceActions) (*models.Token, error) {
client := &http.Client{
Transport: registry.GetHTTPTransport(insecure),
}
return getToken(client, credential, endpoint, service, scopes)
}
func getToken(client *http.Client, credential Credential, realm, service string,
scopes []*token.ResourceActions) (*models.Token, error) {
u, err := url.Parse(realm)
if err != nil {
return nil, err
}
query := u.Query()
query.Add("service", service)
for _, scope := range scopes {
query.Add("scope", scopeString(scope))
}
u.RawQuery = query.Encode()
req, err := http.NewRequest(http.MethodGet, u.String(), nil)
if err != nil {
return nil, err
}
if credential != nil {
credential.Modify(req)
}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, &commonhttp.Error{
Code: resp.StatusCode,
Message: string(data),
}
}
token := &models.Token{}
if err = json.Unmarshal(data, token); err != nil {
return nil, err
}
return token, nil
}