mirror of
https://github.com/ceph/ceph-csi.git
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243 lines
10 KiB
Go
243 lines
10 KiB
Go
// Copyright 2016 The etcd Authors
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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 clientv3
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import (
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"context"
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"fmt"
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"strings"
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"go.etcd.io/etcd/auth/authpb"
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pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
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"google.golang.org/grpc"
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)
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type (
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AuthEnableResponse pb.AuthEnableResponse
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AuthDisableResponse pb.AuthDisableResponse
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AuthenticateResponse pb.AuthenticateResponse
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AuthUserAddResponse pb.AuthUserAddResponse
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AuthUserDeleteResponse pb.AuthUserDeleteResponse
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AuthUserChangePasswordResponse pb.AuthUserChangePasswordResponse
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AuthUserGrantRoleResponse pb.AuthUserGrantRoleResponse
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AuthUserGetResponse pb.AuthUserGetResponse
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AuthUserRevokeRoleResponse pb.AuthUserRevokeRoleResponse
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AuthRoleAddResponse pb.AuthRoleAddResponse
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AuthRoleGrantPermissionResponse pb.AuthRoleGrantPermissionResponse
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AuthRoleGetResponse pb.AuthRoleGetResponse
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AuthRoleRevokePermissionResponse pb.AuthRoleRevokePermissionResponse
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AuthRoleDeleteResponse pb.AuthRoleDeleteResponse
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AuthUserListResponse pb.AuthUserListResponse
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AuthRoleListResponse pb.AuthRoleListResponse
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PermissionType authpb.Permission_Type
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Permission authpb.Permission
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)
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const (
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PermRead = authpb.READ
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PermWrite = authpb.WRITE
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PermReadWrite = authpb.READWRITE
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)
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type UserAddOptions authpb.UserAddOptions
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type Auth interface {
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// AuthEnable enables auth of an etcd cluster.
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AuthEnable(ctx context.Context) (*AuthEnableResponse, error)
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// AuthDisable disables auth of an etcd cluster.
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AuthDisable(ctx context.Context) (*AuthDisableResponse, error)
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// UserAdd adds a new user to an etcd cluster.
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UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error)
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// UserAddWithOptions adds a new user to an etcd cluster with some options.
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UserAddWithOptions(ctx context.Context, name string, password string, opt *UserAddOptions) (*AuthUserAddResponse, error)
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// UserDelete deletes a user from an etcd cluster.
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UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error)
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// UserChangePassword changes a password of a user.
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UserChangePassword(ctx context.Context, name string, password string) (*AuthUserChangePasswordResponse, error)
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// UserGrantRole grants a role to a user.
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UserGrantRole(ctx context.Context, user string, role string) (*AuthUserGrantRoleResponse, error)
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// UserGet gets a detailed information of a user.
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UserGet(ctx context.Context, name string) (*AuthUserGetResponse, error)
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// UserList gets a list of all users.
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UserList(ctx context.Context) (*AuthUserListResponse, error)
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// UserRevokeRole revokes a role of a user.
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UserRevokeRole(ctx context.Context, name string, role string) (*AuthUserRevokeRoleResponse, error)
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// RoleAdd adds a new role to an etcd cluster.
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RoleAdd(ctx context.Context, name string) (*AuthRoleAddResponse, error)
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// RoleGrantPermission grants a permission to a role.
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RoleGrantPermission(ctx context.Context, name string, key, rangeEnd string, permType PermissionType) (*AuthRoleGrantPermissionResponse, error)
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// RoleGet gets a detailed information of a role.
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RoleGet(ctx context.Context, role string) (*AuthRoleGetResponse, error)
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// RoleList gets a list of all roles.
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RoleList(ctx context.Context) (*AuthRoleListResponse, error)
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// RoleRevokePermission revokes a permission from a role.
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RoleRevokePermission(ctx context.Context, role string, key, rangeEnd string) (*AuthRoleRevokePermissionResponse, error)
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// RoleDelete deletes a role.
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RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error)
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}
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type authClient struct {
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remote pb.AuthClient
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callOpts []grpc.CallOption
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}
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func NewAuth(c *Client) Auth {
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api := &authClient{remote: RetryAuthClient(c)}
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if c != nil {
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api.callOpts = c.callOpts
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}
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return api
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}
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func (auth *authClient) AuthEnable(ctx context.Context) (*AuthEnableResponse, error) {
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resp, err := auth.remote.AuthEnable(ctx, &pb.AuthEnableRequest{}, auth.callOpts...)
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return (*AuthEnableResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) AuthDisable(ctx context.Context) (*AuthDisableResponse, error) {
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resp, err := auth.remote.AuthDisable(ctx, &pb.AuthDisableRequest{}, auth.callOpts...)
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return (*AuthDisableResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error) {
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resp, err := auth.remote.UserAdd(ctx, &pb.AuthUserAddRequest{Name: name, Password: password, Options: &authpb.UserAddOptions{NoPassword: false}}, auth.callOpts...)
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return (*AuthUserAddResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserAddWithOptions(ctx context.Context, name string, password string, options *UserAddOptions) (*AuthUserAddResponse, error) {
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resp, err := auth.remote.UserAdd(ctx, &pb.AuthUserAddRequest{Name: name, Password: password, Options: (*authpb.UserAddOptions)(options)}, auth.callOpts...)
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return (*AuthUserAddResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error) {
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resp, err := auth.remote.UserDelete(ctx, &pb.AuthUserDeleteRequest{Name: name}, auth.callOpts...)
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return (*AuthUserDeleteResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserChangePassword(ctx context.Context, name string, password string) (*AuthUserChangePasswordResponse, error) {
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resp, err := auth.remote.UserChangePassword(ctx, &pb.AuthUserChangePasswordRequest{Name: name, Password: password}, auth.callOpts...)
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return (*AuthUserChangePasswordResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserGrantRole(ctx context.Context, user string, role string) (*AuthUserGrantRoleResponse, error) {
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resp, err := auth.remote.UserGrantRole(ctx, &pb.AuthUserGrantRoleRequest{User: user, Role: role}, auth.callOpts...)
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return (*AuthUserGrantRoleResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserGet(ctx context.Context, name string) (*AuthUserGetResponse, error) {
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resp, err := auth.remote.UserGet(ctx, &pb.AuthUserGetRequest{Name: name}, auth.callOpts...)
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return (*AuthUserGetResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserList(ctx context.Context) (*AuthUserListResponse, error) {
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resp, err := auth.remote.UserList(ctx, &pb.AuthUserListRequest{}, auth.callOpts...)
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return (*AuthUserListResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) UserRevokeRole(ctx context.Context, name string, role string) (*AuthUserRevokeRoleResponse, error) {
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resp, err := auth.remote.UserRevokeRole(ctx, &pb.AuthUserRevokeRoleRequest{Name: name, Role: role}, auth.callOpts...)
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return (*AuthUserRevokeRoleResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) RoleAdd(ctx context.Context, name string) (*AuthRoleAddResponse, error) {
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resp, err := auth.remote.RoleAdd(ctx, &pb.AuthRoleAddRequest{Name: name}, auth.callOpts...)
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return (*AuthRoleAddResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) RoleGrantPermission(ctx context.Context, name string, key, rangeEnd string, permType PermissionType) (*AuthRoleGrantPermissionResponse, error) {
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perm := &authpb.Permission{
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Key: []byte(key),
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RangeEnd: []byte(rangeEnd),
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PermType: authpb.Permission_Type(permType),
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}
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resp, err := auth.remote.RoleGrantPermission(ctx, &pb.AuthRoleGrantPermissionRequest{Name: name, Perm: perm}, auth.callOpts...)
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return (*AuthRoleGrantPermissionResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) RoleGet(ctx context.Context, role string) (*AuthRoleGetResponse, error) {
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resp, err := auth.remote.RoleGet(ctx, &pb.AuthRoleGetRequest{Role: role}, auth.callOpts...)
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return (*AuthRoleGetResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) RoleList(ctx context.Context) (*AuthRoleListResponse, error) {
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resp, err := auth.remote.RoleList(ctx, &pb.AuthRoleListRequest{}, auth.callOpts...)
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return (*AuthRoleListResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) RoleRevokePermission(ctx context.Context, role string, key, rangeEnd string) (*AuthRoleRevokePermissionResponse, error) {
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resp, err := auth.remote.RoleRevokePermission(ctx, &pb.AuthRoleRevokePermissionRequest{Role: role, Key: []byte(key), RangeEnd: []byte(rangeEnd)}, auth.callOpts...)
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return (*AuthRoleRevokePermissionResponse)(resp), toErr(ctx, err)
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}
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func (auth *authClient) RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error) {
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resp, err := auth.remote.RoleDelete(ctx, &pb.AuthRoleDeleteRequest{Role: role}, auth.callOpts...)
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return (*AuthRoleDeleteResponse)(resp), toErr(ctx, err)
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}
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func StrToPermissionType(s string) (PermissionType, error) {
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val, ok := authpb.Permission_Type_value[strings.ToUpper(s)]
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if ok {
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return PermissionType(val), nil
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}
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return PermissionType(-1), fmt.Errorf("invalid permission type: %s", s)
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}
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type authenticator struct {
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conn *grpc.ClientConn // conn in-use
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remote pb.AuthClient
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callOpts []grpc.CallOption
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}
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func (auth *authenticator) authenticate(ctx context.Context, name string, password string) (*AuthenticateResponse, error) {
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resp, err := auth.remote.Authenticate(ctx, &pb.AuthenticateRequest{Name: name, Password: password}, auth.callOpts...)
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return (*AuthenticateResponse)(resp), toErr(ctx, err)
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}
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func (auth *authenticator) close() {
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auth.conn.Close()
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}
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func newAuthenticator(ctx context.Context, target string, opts []grpc.DialOption, c *Client) (*authenticator, error) {
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conn, err := grpc.DialContext(ctx, target, opts...)
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if err != nil {
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return nil, err
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}
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api := &authenticator{
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conn: conn,
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remote: pb.NewAuthClient(conn),
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}
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if c != nil {
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api.callOpts = c.callOpts
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}
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return api, nil
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}
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