mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-11-02 12:52:24 -06:00
Inbox post (#22)
Inbox POST from federated servers now working for statuses and follow requests.
Follow request client API added.
Start work on federating outgoing messages.
Other fixes and changes/tidying up.
This commit is contained in:
Tobi Smethurst
GitHub
parent
742f985d5b
commit
cc48294c31
58 changed files with 2248 additions and 366 deletions
|
|
@ -1,359 +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"
|
||||
"fmt"
|
||||
"net/url"
|
||||
"sync"
|
||||
|
||||
"github.com/go-fed/activity/pub"
|
||||
"github.com/go-fed/activity/streams/vocab"
|
||||
"github.com/sirupsen/logrus"
|
||||
"github.com/superseriousbusiness/gotosocial/internal/config"
|
||||
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
||||
"github.com/superseriousbusiness/gotosocial/internal/util"
|
||||
)
|
||||
|
||||
// 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
|
||||
log *logrus.Logger
|
||||
}
|
||||
|
||||
func NewFederatingDB(db DB, config *config.Config, log *logrus.Logger) pub.Database {
|
||||
return &federatingDB{
|
||||
locks: new(sync.Map),
|
||||
db: db,
|
||||
config: config,
|
||||
log: log,
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
GO-FED DB INTERFACE-IMPLEMENTING FUNCTIONS
|
||||
*/
|
||||
|
||||
// Lock takes a lock for the object at the specified id. If an error
|
||||
// is returned, the lock must not have been taken.
|
||||
//
|
||||
// The lock must be able to succeed for an id that does not exist in
|
||||
// the database. This means acquiring the lock does not guarantee the
|
||||
// entry exists in the database.
|
||||
//
|
||||
// Locks are encouraged to be lightweight and in the Go layer, as some
|
||||
// processes require tight loops acquiring and releasing locks.
|
||||
//
|
||||
// Used to ensure race conditions in multiple requests do not occur.
|
||||
func (f *federatingDB) Lock(c 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
|
||||
}
|
||||
|
||||
// Unlock makes the lock for the object at the specified id available.
|
||||
// If an error is returned, the lock must have still been freed.
|
||||
//
|
||||
// Used to ensure race conditions in multiple requests do not occur.
|
||||
func (f *federatingDB) Unlock(c 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
|
||||
}
|
||||
|
||||
// InboxContains returns true if the OrderedCollection at 'inbox'
|
||||
// contains the specified 'id'.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) InboxContains(c context.Context, inbox, id *url.URL) (contains bool, err error) {
|
||||
|
||||
if !util.IsInboxPath(inbox) {
|
||||
return false, fmt.Errorf("%s is not an inbox URI", inbox.String())
|
||||
}
|
||||
|
||||
if !util.IsStatusesPath(id) {
|
||||
return false, fmt.Errorf("%s is not a status URI", id.String())
|
||||
}
|
||||
_, statusID, err := util.ParseStatusesPath(inbox)
|
||||
if err != nil {
|
||||
return false, fmt.Errorf("status URI %s was not parseable: %s", id.String(), err)
|
||||
}
|
||||
|
||||
if err := f.db.GetByID(statusID, >smodel.Status{}); err != nil {
|
||||
if _, ok := err.(ErrNoEntries); ok {
|
||||
// we don't have it
|
||||
return false, nil
|
||||
}
|
||||
// actual error
|
||||
return false, fmt.Errorf("error getting status from db: %s", err)
|
||||
}
|
||||
|
||||
// we must have it
|
||||
return true, nil
|
||||
}
|
||||
|
||||
// GetInbox returns the first ordered collection page of the outbox at
|
||||
// the specified IRI, for prepending new items.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) GetInbox(c context.Context, inboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// SetInbox saves the inbox value given from GetInbox, with new items
|
||||
// prepended. Note that the new items must not be added as independent
|
||||
// database entries. Separate calls to Create will do that.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) SetInbox(c context.Context, inbox vocab.ActivityStreamsOrderedCollectionPage) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Owns returns true if the IRI belongs to this instance, and if
|
||||
// the database has an entry for the IRI.
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Owns(c context.Context, id *url.URL) (bool, error) {
|
||||
// if the id host isn't this instance host, we don't own this IRI
|
||||
if id.Host != f.config.Host {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
// apparently we own it, so what *is* it?
|
||||
|
||||
// check if it's a status, eg /users/example_username/statuses/SOME_UUID_OF_A_STATUS
|
||||
if util.IsStatusesPath(id) {
|
||||
_, uid, err := util.ParseStatusesPath(id)
|
||||
if err != nil {
|
||||
return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
|
||||
}
|
||||
if err := f.db.GetWhere("uri", uid, >smodel.Status{}); err != nil {
|
||||
if _, ok := err.(ErrNoEntries); ok {
|
||||
// there are no entries for this status
|
||||
return false, nil
|
||||
}
|
||||
// an actual error happened
|
||||
return false, fmt.Errorf("database error fetching status with id %s: %s", uid, err)
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
// check if it's a user, eg /users/example_username
|
||||
if util.IsUserPath(id) {
|
||||
username, err := util.ParseUserPath(id)
|
||||
if err != nil {
|
||||
return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
|
||||
}
|
||||
if err := f.db.GetLocalAccountByUsername(username, >smodel.Account{}); err != nil {
|
||||
if _, ok := err.(ErrNoEntries); ok {
|
||||
// there are no entries for this username
|
||||
return false, nil
|
||||
}
|
||||
// an actual error happened
|
||||
return false, fmt.Errorf("database error fetching account with username %s: %s", username, err)
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
|
||||
return false, fmt.Errorf("could not match activityID: %s", id.String())
|
||||
}
|
||||
|
||||
// ActorForOutbox fetches the actor's IRI for the given outbox IRI.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) ActorForOutbox(c context.Context, outboxIRI *url.URL) (actorIRI *url.URL, err error) {
|
||||
if !util.IsOutboxPath(outboxIRI) {
|
||||
return nil, fmt.Errorf("%s is not an outbox URI", outboxIRI.String())
|
||||
}
|
||||
acct := >smodel.Account{}
|
||||
if err := f.db.GetWhere("outbox_uri", outboxIRI.String(), acct); err != nil {
|
||||
if _, ok := err.(ErrNoEntries); ok {
|
||||
return nil, fmt.Errorf("no actor found that corresponds to outbox %s", outboxIRI.String())
|
||||
}
|
||||
return nil, fmt.Errorf("db error searching for actor with outbox %s", outboxIRI.String())
|
||||
}
|
||||
return url.Parse(acct.URI)
|
||||
}
|
||||
|
||||
// ActorForInbox fetches the actor's IRI for the given outbox IRI.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) ActorForInbox(c context.Context, inboxIRI *url.URL) (actorIRI *url.URL, err error) {
|
||||
if !util.IsInboxPath(inboxIRI) {
|
||||
return nil, fmt.Errorf("%s is not an inbox URI", inboxIRI.String())
|
||||
}
|
||||
acct := >smodel.Account{}
|
||||
if err := f.db.GetWhere("inbox_uri", inboxIRI.String(), acct); err != nil {
|
||||
if _, ok := err.(ErrNoEntries); ok {
|
||||
return nil, fmt.Errorf("no actor found that corresponds to inbox %s", inboxIRI.String())
|
||||
}
|
||||
return nil, fmt.Errorf("db error searching for actor with inbox %s", inboxIRI.String())
|
||||
}
|
||||
return url.Parse(acct.URI)
|
||||
}
|
||||
|
||||
// OutboxForInbox fetches the corresponding actor's outbox IRI for the
|
||||
// actor's inbox IRI.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) OutboxForInbox(c context.Context, inboxIRI *url.URL) (outboxIRI *url.URL, err error) {
|
||||
if !util.IsInboxPath(inboxIRI) {
|
||||
return nil, fmt.Errorf("%s is not an inbox URI", inboxIRI.String())
|
||||
}
|
||||
acct := >smodel.Account{}
|
||||
if err := f.db.GetWhere("inbox_uri", inboxIRI.String(), acct); err != nil {
|
||||
if _, ok := err.(ErrNoEntries); ok {
|
||||
return nil, fmt.Errorf("no actor found that corresponds to inbox %s", inboxIRI.String())
|
||||
}
|
||||
return nil, fmt.Errorf("db error searching for actor with inbox %s", inboxIRI.String())
|
||||
}
|
||||
return url.Parse(acct.OutboxURI)
|
||||
}
|
||||
|
||||
// Exists returns true if the database has an entry for the specified
|
||||
// id. It may not be owned by this application instance.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Exists(c context.Context, id *url.URL) (exists bool, err error) {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
// Get returns the database entry for the specified id.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Get(c context.Context, id *url.URL) (value vocab.Type, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// Create adds a new entry to the database which must be able to be
|
||||
// keyed by its id.
|
||||
//
|
||||
// Note that Activity values received from federated peers may also be
|
||||
// created in the database this way if the Federating Protocol is
|
||||
// enabled. The client may freely decide to store only the id instead of
|
||||
// the entire value.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
//
|
||||
// Under certain conditions and network activities, Create may be called
|
||||
// multiple times for the same ActivityStreams object.
|
||||
func (f *federatingDB) Create(c context.Context, asType vocab.Type) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Update sets an existing entry to the database based on the value's
|
||||
// id.
|
||||
//
|
||||
// Note that Activity values received from federated peers may also be
|
||||
// updated in the database this way if the Federating Protocol is
|
||||
// enabled. The client may freely decide to store only the id instead of
|
||||
// the entire value.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Update(c context.Context, asType vocab.Type) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// Delete removes the entry with the given id.
|
||||
//
|
||||
// Delete is only called for federated objects. Deletes from the Social
|
||||
// Protocol instead call Update to create a Tombstone.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Delete(c context.Context, id *url.URL) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// GetOutbox returns the first ordered collection page of the outbox
|
||||
// at the specified IRI, for prepending new items.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) GetOutbox(c context.Context, outboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// SetOutbox saves the outbox value given from GetOutbox, with new items
|
||||
// prepended. Note that the new items must not be added as independent
|
||||
// database entries. Separate calls to Create will do that.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) SetOutbox(c context.Context, outbox vocab.ActivityStreamsOrderedCollectionPage) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// NewID creates a new IRI id for the provided activity or object. The
|
||||
// implementation does not need to set the 'id' property and simply
|
||||
// needs to determine the value.
|
||||
//
|
||||
// The go-fed library will handle setting the 'id' property on the
|
||||
// activity or object provided with the value returned.
|
||||
func (f *federatingDB) NewID(c context.Context, t vocab.Type) (id *url.URL, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// Followers obtains the Followers Collection for an actor with the
|
||||
// given id.
|
||||
//
|
||||
// If modified, the library will then call Update.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Followers(c context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// Following obtains the Following Collection for an actor with the
|
||||
// given id.
|
||||
//
|
||||
// If modified, the library will then call Update.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Following(c context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// Liked obtains the Liked Collection for an actor with the
|
||||
// given id.
|
||||
//
|
||||
// If modified, the library will then call Update.
|
||||
//
|
||||
// The library makes this call only after acquiring a lock first.
|
||||
func (f *federatingDB) Liked(c context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
|
||||
return nil, nil
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue