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

Fixes 
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
}