gotosocial/internal/processing/federation/getoutbox.go
2021-11-13 17:29:43 +01:00

107 lines
3.8 KiB
Go

/*
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 federation
import (
"context"
"errors"
"fmt"
"net/url"
"github.com/superseriousbusiness/activity/streams"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
)
func (p *processor) GetOutbox(ctx context.Context, requestedUsername string, page bool, maxID string, minID string, requestURL *url.URL) (interface{}, gtserror.WithCode) {
// get the account the request is referring to
requestedAccount, err := p.db.GetLocalAccountByUsername(ctx, requestedUsername)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("database error getting account with username %s: %s", requestedUsername, err))
}
// authenticate the request
requestingAccountURI, authenticated, err := p.federator.AuthenticateFederatedRequest(ctx, requestedUsername)
if err != nil || !authenticated {
return nil, gtserror.NewErrorNotAuthorized(errors.New("not authorized"), "not authorized")
}
requestingAccount, _, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false)
if err != nil {
return nil, gtserror.NewErrorNotAuthorized(err)
}
// authorize the request:
// 1. check if a block exists between the requester and the requestee
blocked, err := p.db.IsBlocked(ctx, requestedAccount.ID, requestingAccount.ID, true)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
if blocked {
return nil, gtserror.NewErrorNotAuthorized(fmt.Errorf("block exists between accounts %s and %s", requestedAccount.ID, requestingAccount.ID))
}
var data map[string]interface{}
// now there are two scenarios:
// 1. we're asked for the whole collection and not a page -- we can just return the collection, with no items, but a link to 'first' page.
// 2. we're asked for a specific page; this can be either the first page or any other page
if !page {
/*
scenario 1: return the collection with no items
we want something that looks like this:
{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "https://example.org/users/whatever/outbox",
"type": "OrderedCollection",
"first": "https://example.org/users/whatever/outbox?page=true",
"last": "https://example.org/users/whatever/outbox?min_id=0&page=true"
}
*/
collection, err := p.tc.OutboxToASCollection(ctx, requestedAccount.OutboxURI)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
data, err = streams.Serialize(collection)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
return data, nil
}
// scenario 2 -- get the requested page
// limit pages to 30 entries per page
publicStatuses, err := p.db.GetAccountStatuses(ctx, requestedAccount.ID, 30, true, maxID, minID, false, false, true)
if err != nil && err != db.ErrNoEntries {
return nil, gtserror.NewErrorInternalError(err)
}
outboxPage, err := p.tc.StatusesToASOutboxPage(ctx, requestedAccount.OutboxURI, maxID, minID, publicStatuses)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
data, err = streams.Serialize(outboxPage)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
return data, nil
}