mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-01 06:50:00 +00:00
102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
/*
|
|
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 dereferencing
|
|
|
|
import (
|
|
"context"
|
|
"net/url"
|
|
)
|
|
|
|
func (d *deref) Handshaking(ctx context.Context, username string, remoteAccountID *url.URL) bool {
|
|
d.handshakeSync.Lock()
|
|
defer d.handshakeSync.Unlock()
|
|
|
|
if d.handshakes == nil {
|
|
// handshakes isn't even initialized yet so we can't be handshaking with anyone
|
|
return false
|
|
}
|
|
|
|
remoteIDs, ok := d.handshakes[username]
|
|
if !ok {
|
|
// user isn't handshaking with anyone, bail
|
|
return false
|
|
}
|
|
|
|
for _, id := range remoteIDs {
|
|
if id.String() == remoteAccountID.String() {
|
|
// we are currently handshaking with the remote account, yep
|
|
return true
|
|
}
|
|
}
|
|
|
|
// didn't find it which means we're not handshaking
|
|
return false
|
|
}
|
|
|
|
func (d *deref) startHandshake(username string, remoteAccountID *url.URL) {
|
|
d.handshakeSync.Lock()
|
|
defer d.handshakeSync.Unlock()
|
|
|
|
// lazily initialize handshakes
|
|
if d.handshakes == nil {
|
|
d.handshakes = make(map[string][]*url.URL)
|
|
}
|
|
|
|
remoteIDs, ok := d.handshakes[username]
|
|
if !ok {
|
|
// there was nothing in there yet, so just add this entry and return
|
|
d.handshakes[username] = []*url.URL{remoteAccountID}
|
|
return
|
|
}
|
|
|
|
// add the remote ID to the slice
|
|
remoteIDs = append(remoteIDs, remoteAccountID)
|
|
d.handshakes[username] = remoteIDs
|
|
}
|
|
|
|
func (d *deref) stopHandshake(username string, remoteAccountID *url.URL) {
|
|
d.handshakeSync.Lock()
|
|
defer d.handshakeSync.Unlock()
|
|
|
|
if d.handshakes == nil {
|
|
return
|
|
}
|
|
|
|
remoteIDs, ok := d.handshakes[username]
|
|
if !ok {
|
|
// there was nothing in there yet anyway so just bail
|
|
return
|
|
}
|
|
|
|
newRemoteIDs := []*url.URL{}
|
|
for _, id := range remoteIDs {
|
|
if id.String() != remoteAccountID.String() {
|
|
newRemoteIDs = append(newRemoteIDs, id)
|
|
}
|
|
}
|
|
|
|
if len(newRemoteIDs) == 0 {
|
|
// there are no handshakes so just remove this user entry from the map and save a few bytes
|
|
delete(d.handshakes, username)
|
|
} else {
|
|
// there are still other handshakes ongoing
|
|
d.handshakes[username] = newRemoteIDs
|
|
}
|
|
}
|