forked from ory/keto
/
manager_sql.go
206 lines (178 loc) · 5.6 KB
/
manager_sql.go
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/*
* Copyright © 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
*
* 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.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*/
package role
import (
"database/sql"
"fmt"
"github.com/jmoiron/sqlx"
"github.com/ory/hydra/pkg"
"github.com/pborman/uuid"
"github.com/pkg/errors"
"github.com/rubenv/sql-migrate"
)
var migrations = &migrate.MemoryMigrationSource{
Migrations: []*migrate.Migration{
{
Id: "1",
Up: []string{`CREATE TABLE IF NOT EXISTS keto_role (
id varchar(255) NOT NULL PRIMARY KEY
)`, `CREATE TABLE IF NOT EXISTS keto_role_member (
member varchar(255) NOT NULL,
role_id varchar(255) NOT NULL,
FOREIGN KEY (role_id) REFERENCES keto_role(id) ON DELETE CASCADE,
PRIMARY KEY (member, role_id)
)`},
Down: []string{
"DROP TABLE hydra_warden_group",
"DROP TABLE hydra_warden_group_member",
},
},
},
}
type SQLManager struct {
DB *sqlx.DB
TableRole string
TableMember string
TableMigration string
}
func NewSQLManager(db *sqlx.DB) *SQLManager {
return &SQLManager{
DB: db,
TableRole: "keto_role",
TableMember: "keto_role_member",
TableMigration: "keto_role_migration",
}
}
func (m *SQLManager) CreateSchemas() (int, error) {
migrate.SetTable(m.TableMigration)
n, err := migrate.Exec(m.DB.DB, m.DB.DriverName(), migrations, migrate.Up)
if err != nil {
return 0, errors.Wrapf(err, "Could not migrate sql schema, applied %d migrations", n)
}
return n, nil
}
func (m *SQLManager) CreateRole(g *Role) error {
if g.ID == "" {
g.ID = uuid.New()
}
if _, err := m.DB.Exec(m.DB.Rebind(fmt.Sprintf("INSERT INTO %s (id) VALUES (?)", m.TableRole)), g.ID); err != nil {
return errors.WithStack(err)
}
return m.AddRoleMembers(g.ID, g.Members)
}
func (m *SQLManager) GetRole(id string) (*Role, error) {
var found string
if err := m.DB.Get(&found, m.DB.Rebind(fmt.Sprintf("SELECT id from %s WHERE id = ?", m.TableRole)), id); err != nil {
return nil, errors.WithStack(err)
}
var q []string
if err := m.DB.Select(&q, m.DB.Rebind(fmt.Sprintf("SELECT member from %s WHERE role_id = ?", m.TableMember)), found); err == sql.ErrNoRows {
return nil, errors.WithStack(pkg.ErrNotFound)
} else if err != nil {
return nil, errors.WithStack(err)
}
return &Role{
ID: found,
Members: q,
}, nil
}
func (m *SQLManager) DeleteRole(id string) error {
if _, err := m.DB.Exec(m.DB.Rebind(fmt.Sprintf("DELETE FROM %s WHERE id=?", m.TableRole)), id); err != nil {
return errors.WithStack(err)
}
return nil
}
func (m *SQLManager) AddRoleMembers(group string, subjects []string) error {
tx, err := m.DB.Beginx()
if err != nil {
return errors.Wrap(err, "Could not begin transaction")
}
query := fmt.Sprintf("INSERT INTO %s (role_id, member) VALUES (?, ?)", m.TableMember)
for _, subject := range subjects {
if _, err := tx.Exec(m.DB.Rebind(query), group, subject); err != nil {
if err := tx.Rollback(); err != nil {
return errors.WithStack(err)
}
return errors.WithStack(err)
}
}
if err := tx.Commit(); err != nil {
if err := tx.Rollback(); err != nil {
return errors.WithStack(err)
}
return errors.Wrap(err, "Could not commit transaction")
}
return nil
}
func (m *SQLManager) RemoveRoleMembers(group string, subjects []string) error {
tx, err := m.DB.Beginx()
if err != nil {
return errors.Wrap(err, "Could not begin transaction")
}
for _, subject := range subjects {
if _, err := m.DB.Exec(m.DB.Rebind(fmt.Sprintf("DELETE FROM %s WHERE member=? AND role_id=?", m.TableMember)), subject, group); err != nil {
if err := tx.Rollback(); err != nil {
return errors.WithStack(err)
}
return errors.WithStack(err)
}
}
if err := tx.Commit(); err != nil {
if err := tx.Rollback(); err != nil {
return errors.WithStack(err)
}
return errors.Wrap(err, "Could not commit transaction")
}
return nil
}
func (m *SQLManager) FindRolesByMember(member string, limit, offset int) ([]Role, error) {
var ids []string
if err := m.DB.Select(&ids, m.DB.Rebind(fmt.Sprintf("SELECT role_id from %s WHERE member = ? GROUP BY role_id ORDER BY role_id LIMIT ? OFFSET ?", m.TableMember)), member, limit, offset); err == sql.ErrNoRows {
return nil, errors.WithStack(pkg.ErrNotFound)
} else if err != nil {
return nil, errors.WithStack(err)
}
var groups = make([]Role, len(ids))
for k, id := range ids {
group, err := m.GetRole(id)
if err != nil {
return nil, errors.WithStack(err)
}
groups[k] = *group
}
return groups, nil
}
func (m *SQLManager) ListRoles(limit, offset int) ([]Role, error) {
var ids []string
if err := m.DB.Select(&ids, m.DB.Rebind(fmt.Sprintf("SELECT role_id from %s GROUP BY role_id ORDER BY role_id LIMIT ? OFFSET ?", m.TableMember)), limit, offset); err == sql.ErrNoRows {
return nil, errors.WithStack(pkg.ErrNotFound)
} else if err != nil {
return nil, errors.WithStack(err)
}
var groups = make([]Role, len(ids))
for k, id := range ids {
group, err := m.GetRole(id)
if err != nil {
return nil, errors.WithStack(err)
}
groups[k] = *group
}
return groups, nil
}