98 lines
1.8 KiB
Go
98 lines
1.8 KiB
Go
// Copyright © 2016 Abcum Ltd
|
|
//
|
|
// 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 db
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/abcum/surreal/cnf"
|
|
"github.com/abcum/surreal/sql"
|
|
)
|
|
|
|
func (e *executor) executeUse(ctx context.Context, stm *sql.UseStatement) (out []interface{}, err error) {
|
|
|
|
// If a NAMESPACE has been defined, then
|
|
// process the permissions, or return an
|
|
// error if we can't specify a namespace.
|
|
|
|
if len(stm.NS) > 0 {
|
|
|
|
if perm(ctx) == cnf.AuthKV {
|
|
e.ns = stm.NS
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthNS {
|
|
if e.ns != stm.NS {
|
|
err = new(QueryError)
|
|
}
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthDB {
|
|
if e.ns != stm.NS {
|
|
err = new(QueryError)
|
|
}
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthSC {
|
|
if e.ns != stm.NS {
|
|
err = new(QueryError)
|
|
}
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthNO {
|
|
e.ns = stm.NS
|
|
}
|
|
|
|
}
|
|
|
|
// If a DATABASE has been defined, then
|
|
// process the permissions, or return an
|
|
// error if we can't specify a database.
|
|
|
|
if len(stm.DB) > 0 {
|
|
|
|
if perm(ctx) == cnf.AuthKV {
|
|
e.db = stm.DB
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthNS {
|
|
e.db = stm.DB
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthDB {
|
|
if e.db != stm.DB {
|
|
err = new(QueryError)
|
|
}
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthSC {
|
|
if e.db != stm.DB {
|
|
err = new(QueryError)
|
|
}
|
|
}
|
|
|
|
if perm(ctx) == cnf.AuthNO {
|
|
e.db = stm.DB
|
|
}
|
|
|
|
}
|
|
|
|
if err != nil {
|
|
e.ns, e.db = "", ""
|
|
}
|
|
|
|
return
|
|
|
|
}
|