fiddling with federation a bit

This commit is contained in:
tsmethurst 2021-04-01 14:44:16 +02:00
parent dba33c2c5c
commit b2c7e5f379
5 changed files with 167 additions and 158 deletions

View file

@ -0,0 +1,159 @@
/*
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 db
import (
"context"
"errors"
"net/url"
"sync"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/config"
)
// FederatingDB uses the underlying DB interface to implement the go-fed pub.Database interface.
// It doesn't care what the underlying implementation of the DB interface is, as long as it works.
type federatingDB struct {
locks *sync.Map
db DB
config *config.Config
}
func newFederatingDB(db DB, config *config.Config) pub.Database {
return &federatingDB{
locks: new(sync.Map),
db: db,
config: config,
}
}
/*
GO-FED DB INTERFACE-IMPLEMENTING FUNCTIONS
*/
func (f *federatingDB) Lock(ctx context.Context, id *url.URL) error {
// Before any other Database methods are called, the relevant `id`
// entries are locked to allow for fine-grained concurrency.
// Strategy: create a new lock, if stored, continue. Otherwise, lock the
// existing mutex.
mu := &sync.Mutex{}
mu.Lock() // Optimistically lock if we do store it.
i, loaded := f.locks.LoadOrStore(id.String(), mu)
if loaded {
mu = i.(*sync.Mutex)
mu.Lock()
}
return nil
}
func (f *federatingDB) Unlock(ctx context.Context, id *url.URL) error {
// Once Go-Fed is done calling Database methods, the relevant `id`
// entries are unlocked.
i, ok := f.locks.Load(id.String())
if !ok {
return errors.New("missing an id in unlock")
}
mu := i.(*sync.Mutex)
mu.Unlock()
return nil
}
func (f *federatingDB) InboxContains(ctx context.Context, inbox *url.URL, id *url.URL) (bool, error) {
return false, nil
}
func (f *federatingDB) GetInbox(ctx context.Context, inboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
return nil, nil
}
func (f *federatingDB) SetInbox(ctx context.Context, inbox vocab.ActivityStreamsOrderedCollectionPage) error {
return nil
}
func (f *federatingDB) Owns(ctx context.Context, id *url.URL) (owns bool, err error) {
return id.Host == f.config.Host, nil
}
func (f *federatingDB) ActorForOutbox(ctx context.Context, outboxIRI *url.URL) (actorIRI *url.URL, err error) {
return nil, nil
}
func (f *federatingDB) ActorForInbox(ctx context.Context, inboxIRI *url.URL) (actorIRI *url.URL, err error) {
return nil, nil
}
func (f *federatingDB) OutboxForInbox(ctx context.Context, inboxIRI *url.URL) (outboxIRI *url.URL, err error) {
return nil, nil
}
func (f *federatingDB) Exists(ctx context.Context, id *url.URL) (exists bool, err error) {
return false, nil
}
func (f *federatingDB) Get(ctx context.Context, id *url.URL) (value vocab.Type, err error) {
return nil, nil
}
func (f *federatingDB) Create(ctx context.Context, asType vocab.Type) error {
t, err := streams.NewTypeResolver()
if err != nil {
return err
}
if err := t.Resolve(ctx, asType); err != nil {
return err
}
asType.GetTypeName()
return nil
}
func (f *federatingDB) Update(ctx context.Context, asType vocab.Type) error {
return nil
}
func (f *federatingDB) Delete(ctx context.Context, id *url.URL) error {
return nil
}
func (f *federatingDB) GetOutbox(ctx context.Context, outboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
return nil, nil
}
func (f *federatingDB) SetOutbox(ctx context.Context, outbox vocab.ActivityStreamsOrderedCollectionPage) error {
return nil
}
func (f *federatingDB) NewID(ctx context.Context, t vocab.Type) (id *url.URL, err error) {
return nil, nil
}
func (f *federatingDB) Followers(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
return nil, nil
}
func (f *federatingDB) Following(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
return nil, nil
}
func (f *federatingDB) Liked(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
return nil, nil
}

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@ -1,155 +0,0 @@
/*
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 db
import (
"context"
"errors"
"net/url"
"sync"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/go-pg/pg/v10"
)
type postgresFederation struct {
locks *sync.Map
conn *pg.DB
}
func newPostgresFederation(conn *pg.DB) pub.Database {
return &postgresFederation{
locks: new(sync.Map),
conn: conn,
}
}
/*
GO-FED DB INTERFACE-IMPLEMENTING FUNCTIONS
*/
func (pf *postgresFederation) Lock(ctx context.Context, id *url.URL) error {
// Before any other Database methods are called, the relevant `id`
// entries are locked to allow for fine-grained concurrency.
// Strategy: create a new lock, if stored, continue. Otherwise, lock the
// existing mutex.
mu := &sync.Mutex{}
mu.Lock() // Optimistically lock if we do store it.
i, loaded := pf.locks.LoadOrStore(id.String(), mu)
if loaded {
mu = i.(*sync.Mutex)
mu.Lock()
}
return nil
}
func (pf *postgresFederation) Unlock(ctx context.Context, id *url.URL) error {
// Once Go-Fed is done calling Database methods, the relevant `id`
// entries are unlocked.
i, ok := pf.locks.Load(id.String())
if !ok {
return errors.New("missing an id in unlock")
}
mu := i.(*sync.Mutex)
mu.Unlock()
return nil
}
func (pf *postgresFederation) InboxContains(ctx context.Context, inbox *url.URL, id *url.URL) (bool, error) {
return false, nil
}
func (pf *postgresFederation) GetInbox(ctx context.Context, inboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
return nil, nil
}
func (pf *postgresFederation) SetInbox(ctx context.Context, inbox vocab.ActivityStreamsOrderedCollectionPage) error {
return nil
}
func (pf *postgresFederation) Owns(ctx context.Context, id *url.URL) (owns bool, err error) {
return false, nil
}
func (pf *postgresFederation) ActorForOutbox(ctx context.Context, outboxIRI *url.URL) (actorIRI *url.URL, err error) {
return nil, nil
}
func (pf *postgresFederation) ActorForInbox(ctx context.Context, inboxIRI *url.URL) (actorIRI *url.URL, err error) {
return nil, nil
}
func (pf *postgresFederation) OutboxForInbox(ctx context.Context, inboxIRI *url.URL) (outboxIRI *url.URL, err error) {
return nil, nil
}
func (pf *postgresFederation) Exists(ctx context.Context, id *url.URL) (exists bool, err error) {
return false, nil
}
func (pf *postgresFederation) Get(ctx context.Context, id *url.URL) (value vocab.Type, err error) {
return nil, nil
}
func (pf *postgresFederation) Create(ctx context.Context, asType vocab.Type) error {
t, err := streams.NewTypeResolver()
if err != nil {
return err
}
if err := t.Resolve(ctx, asType); err != nil {
return err
}
asType.GetTypeName()
return nil
}
func (pf *postgresFederation) Update(ctx context.Context, asType vocab.Type) error {
return nil
}
func (pf *postgresFederation) Delete(ctx context.Context, id *url.URL) error {
return nil
}
func (pf *postgresFederation) GetOutbox(ctx context.Context, outboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
return nil, nil
}
func (pf *postgresFederation) SetOutbox(ctx context.Context, outbox vocab.ActivityStreamsOrderedCollectionPage) error {
return nil
}
func (pf *postgresFederation) NewID(ctx context.Context, t vocab.Type) (id *url.URL, err error) {
return nil, nil
}
func (pf *postgresFederation) Followers(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
return nil, nil
}
func (pf *postgresFederation) Following(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
return nil, nil
}
func (pf *postgresFederation) Liked(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
return nil, nil
}

View file

@ -27,22 +27,27 @@ import (
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams/vocab"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/db"
)
// New returns a go-fed compatible federating actor
func New(db db.DB) pub.FederatingActor {
f := &Federator{}
func New(db db.DB, log *logrus.Logger) pub.FederatingActor {
f := &Federator{
db: db,
}
return pub.NewFederatingActor(f, f, db.Federation(), f)
}
// Federator implements several go-fed interfaces in one convenient location
type Federator struct {
db db.DB
}
// AuthenticateGetInbox determines whether the request is for a GET call to the Actor's Inbox.
func (f *Federator) AuthenticateGetInbox(ctx context.Context, w http.ResponseWriter, r *http.Request) (context.Context, bool, error) {
// TODO
// use context.WithValue() and context.Value() to set and get values through here
return nil, false, nil
}

View file

@ -82,7 +82,7 @@ var Run action.GTSAction = func(ctx context.Context, c *config.Config, log *logr
}
}
gts, err := New(dbService, &cache.MockCache{}, router, federation.New(dbService), c)
gts, err := New(dbService, &cache.MockCache{}, router, federation.New(dbService, log), c)
if err != nil {
return fmt.Errorf("error creating gotosocial service: %s", err)
}