minio/pkg/madmin/policy-commands.go
Harshavardhana 2642e12d14
fix: change policies API to return and take struct (#9181)
This allows for order guarantees in returned values
can be consumed safely by the caller to avoid any
additional parsing and validation.

Fixes #9171
2020-04-07 19:30:59 -07:00

174 lines
4.3 KiB
Go

/*
* MinIO Cloud Storage, (C) 2018-2020 MinIO, Inc.
*
* 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 madmin
import (
"context"
"encoding/json"
"io/ioutil"
"net/http"
"net/url"
iampolicy "github.com/minio/minio/pkg/iam/policy"
)
// InfoCannedPolicy - expand canned policy into JSON structure.
func (adm *AdminClient) InfoCannedPolicy(ctx context.Context, policyName string) (*iampolicy.Policy, error) {
queryValues := url.Values{}
queryValues.Set("name", policyName)
reqData := requestData{
relPath: adminAPIPrefix + "/info-canned-policy",
queryValues: queryValues,
}
// Execute GET on /minio/admin/v3/info-canned-policy
resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
defer closeResponse(resp)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp)
}
return iampolicy.ParseConfig(resp.Body)
}
// ListCannedPolicies - list all configured canned policies.
func (adm *AdminClient) ListCannedPolicies(ctx context.Context) (map[string]*iampolicy.Policy, error) {
reqData := requestData{
relPath: adminAPIPrefix + "/list-canned-policies",
}
// Execute GET on /minio/admin/v3/list-canned-policies
resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
defer closeResponse(resp)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp)
}
respBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var policies = make(map[string]*iampolicy.Policy)
if err = json.Unmarshal(respBytes, &policies); err != nil {
return nil, err
}
return policies, nil
}
// RemoveCannedPolicy - remove a policy for a canned.
func (adm *AdminClient) RemoveCannedPolicy(ctx context.Context, policyName string) error {
queryValues := url.Values{}
queryValues.Set("name", policyName)
reqData := requestData{
relPath: adminAPIPrefix + "/remove-canned-policy",
queryValues: queryValues,
}
// Execute DELETE on /minio/admin/v3/remove-canned-policy to remove policy.
resp, err := adm.executeMethod(ctx, http.MethodDelete, reqData)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp)
}
return nil
}
// AddCannedPolicy - adds a policy for a canned.
func (adm *AdminClient) AddCannedPolicy(ctx context.Context, policyName string, policy *iampolicy.Policy) error {
if policy == nil {
return ErrInvalidArgument("policy input cannot be empty")
}
buf, err := json.Marshal(policy)
if err != nil {
return err
}
queryValues := url.Values{}
queryValues.Set("name", policyName)
reqData := requestData{
relPath: adminAPIPrefix + "/add-canned-policy",
queryValues: queryValues,
content: buf,
}
// Execute PUT on /minio/admin/v3/add-canned-policy to set policy.
resp, err := adm.executeMethod(ctx, http.MethodPut, reqData)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp)
}
return nil
}
// SetPolicy - sets the policy for a user or a group.
func (adm *AdminClient) SetPolicy(ctx context.Context, policyName, entityName string, isGroup bool) error {
queryValues := url.Values{}
queryValues.Set("policyName", policyName)
queryValues.Set("userOrGroup", entityName)
groupStr := "false"
if isGroup {
groupStr = "true"
}
queryValues.Set("isGroup", groupStr)
reqData := requestData{
relPath: adminAPIPrefix + "/set-user-or-group-policy",
queryValues: queryValues,
}
// Execute PUT on /minio/admin/v3/set-user-or-group-policy to set policy.
resp, err := adm.executeMethod(ctx, http.MethodPut, reqData)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp)
}
return nil
}