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/*
GoToSocial
Copyright (C) 2021-2022 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 federatingdb
import (
"context"
"fmt"
"net/url"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
// 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(ctx context.Context, id *url.URL) (bool, error) {
l := logrus.WithFields(
logrus.Fields{
"func": "Owns",
"id": id,
},
)
l.Debug("entering Owns")
// if the id host isn't this instance host, we don't own this IRI
if host := config.GetHost(); id.Host != host {
l.Tracef("we DO NOT own activity because the host is %s not %s", id.Host, host)
return false, nil
}
// apparently it belongs to this host, so what *is* it?
// check if it's a status, eg /users/example_username/statuses/SOME_UUID_OF_A_STATUS
if uris.IsStatusesPath(id) {
_, uid, err := uris.ParseStatusesPath(id)
if err != nil {
return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
}
status, err := f.db.GetStatusByURI(ctx, uid)
if err != nil {
if err == db.ErrNoEntries {
// 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 status.Local, nil
}
if uris.IsUserPath(id) {
username, err := uris.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(ctx, username); err != nil {
if err == db.ErrNoEntries {
// 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)
}
l.Debugf("we own url %s", id.String())
return true, nil
}
if uris.IsFollowersPath(id) {
username, err := uris.ParseFollowersPath(id)
if err != nil {
return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
}
if _, err := f.db.GetLocalAccountByUsername(ctx, username); err != nil {
if err == db.ErrNoEntries {
// 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)
}
l.Debugf("we own url %s", id.String())
return true, nil
}
if uris.IsFollowingPath(id) {
username, err := uris.ParseFollowingPath(id)
if err != nil {
return false, fmt.Errorf("error parsing statuses path for url %s: %s", id.String(), err)
}
if _, err := f.db.GetLocalAccountByUsername(ctx, username); err != nil {
if err == db.ErrNoEntries {
// 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)
}
l.Debugf("we own url %s", id.String())
return true, nil
}
if uris.IsLikePath(id) {
username, likeID, err := uris.ParseLikedPath(id)
if err != nil {
return false, fmt.Errorf("error parsing like path for url %s: %s", id.String(), err)
}
if _, err := f.db.GetLocalAccountByUsername(ctx, username); err != nil {
if err == db.ErrNoEntries {
// 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)
}
if err := f.db.GetByID(ctx, likeID, >smodel.StatusFave{}); err != nil {
if err == db.ErrNoEntries {
// there are no entries
return false, nil
}
// an actual error happened
return false, fmt.Errorf("database error fetching like with id %s: %s", likeID, err)
}
l.Debugf("we own url %s", id.String())
return true, nil
}
if uris.IsBlockPath(id) {
username, blockID, err := uris.ParseBlockPath(id)
if err != nil {
return false, fmt.Errorf("error parsing block path for url %s: %s", id.String(), err)
}
if _, err := f.db.GetLocalAccountByUsername(ctx, username); err != nil {
if err == db.ErrNoEntries {
// 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)
}
if err := f.db.GetByID(ctx, blockID, >smodel.Block{}); err != nil {
if err == db.ErrNoEntries {
// there are no entries
return false, nil
}
// an actual error happened
return false, fmt.Errorf("database error fetching block with id %s: %s", blockID, err)
}
l.Debugf("we own url %s", id.String())
return true, nil
}
return false, fmt.Errorf("could not match activityID: %s", id.String())
}
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