gotosocial/internal/db/bundb/session.go
kim ed46224573
Add SQLite support, fix un-thread-safe DB caches, small performance f… (#172)
* Add SQLite support, fix un-thread-safe DB caches, small performance fixes

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* add SQLite licenses to README

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* appease the linter, and fix my dumbass-ery

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* make requested changes

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* add back comment

Signed-off-by: kim (grufwub) <grufwub@gmail.com>
2021-08-29 16:41:41 +02:00

97 lines
2.2 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package bundb
import (
"context"
"crypto/rand"
"errors"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
)
type sessionDB struct {
config *config.Config
conn *DBConn
}
func (s *sessionDB) GetSession(ctx context.Context) (*gtsmodel.RouterSession, db.Error) {
rss := make([]*gtsmodel.RouterSession, 0, 1)
_, err := s.conn.
NewSelect().
Model(&rss).
Limit(1).
Order("id DESC").
Exec(ctx)
if err != nil {
return nil, s.conn.ProcessError(err)
}
if len(rss) <= 0 {
// no session created yet, so make one
return s.createSession(ctx)
}
if len(rss) != 1 {
// we asked for 1 so we should get 1
return nil, errors.New("more than 1 router session was returned")
}
// return the one session found
rs := rss[0]
return rs, nil
}
func (s *sessionDB) createSession(ctx context.Context) (*gtsmodel.RouterSession, db.Error) {
auth := make([]byte, 32)
crypt := make([]byte, 32)
if _, err := rand.Read(auth); err != nil {
return nil, err
}
if _, err := rand.Read(crypt); err != nil {
return nil, err
}
rid, err := id.NewULID()
if err != nil {
return nil, err
}
rs := &gtsmodel.RouterSession{
ID: rid,
Auth: auth,
Crypt: crypt,
}
q := s.conn.
NewInsert().
Model(rs)
_, err = q.Exec(ctx)
if err != nil {
return nil, s.conn.ProcessError(err)
}
return rs, nil
}