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/*
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 federatingdb
import (
"context"
"fmt"
"net/url"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// 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) {
l := f.log.WithFields(
logrus.Fields{
"func": "Owns",
"id": id.String(),
},
)
l.Debugf("entering OWNS function with id %s", id.String())
// if the id host isn't this instance host, we don't own this IRI
if id.Host != f.config.Host {
l.Debugf("we DO NOT own activity because the host is %s not %s", id.Host, f.config.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 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([]db.Where{{Key: "uri", Value: uid}}, >smodel.Status{}); err != nil {
if _, ok := err.(db.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)
}
l.Debug("we DO own this")
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.(db.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)
}
l.Debug("we DO own this")
return true, nil
}
if util.IsFollowersPath(id) {
username, err := util.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(username, >smodel.Account{}); err != nil {
if _, ok := err.(db.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)
}
l.Debug("we DO own this")
return true, nil
}
if util.IsFollowingPath(id) {
username, err := util.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(username, >smodel.Account{}); err != nil {
if _, ok := err.(db.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)
}
l.Debug("we DO own this")
return true, nil
}
return false, fmt.Errorf("could not match activityID: %s", id.String())
}
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