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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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"
"net/http"
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/messages"
)
func (f *federatingDB) Block(ctx context.Context, blockable vocab.ActivityStreamsBlock) error {
log.DebugKV(ctx, "block", serialize{blockable})
// Extract relevant values from passed ctx.
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requesting := activityContext.requestingAcct
receiving := activityContext.receivingAcct
if receiving.IsMoving() {
// A Moving account
// can't do this.
return nil
}
// Convert received AS block type to internal model.
block, err := f.converter.ASBlockToBlock(ctx, blockable)
if err != nil {
err := gtserror.Newf("error converting from AS type: %w", err)
return gtserror.WrapWithCode(http.StatusBadRequest, err)
}
// Ensure block enacted by correct account.
if block.AccountID != requesting.ID {
return gtserror.NewfWithCode(http.StatusForbidden, "requester %s is not expected actor %s",
requesting.URI, block.Account.URI)
}
// Ensure block received by correct account.
if block.TargetAccountID != receiving.ID {
return gtserror.NewfWithCode(http.StatusForbidden, "receiver %s is not expected object %s",
receiving.URI, block.TargetAccount.URI)
}
// Generate new ID for block.
block.ID = id.NewULID()
// Insert the new validated block into the database.
if err := f.state.DB.PutBlock(ctx, block); err != nil {
return gtserror.Newf("error inserting %s into db: %w", block.URI, err)
}
// Push message to worker queue to handle block side-effects.
f.state.Workers.Federator.Queue.Push(&messages.FromFediAPI{
APObjectType: ap.ActivityBlock,
APActivityType: ap.ActivityCreate,
GTSModel: block,
Receiving: receiving,
Requesting: requesting,
})
return nil
}
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