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Add /_dendrite/admin/purgeRoom/{roomID} (#2662)

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This adds a new admin endpoint `/_dendrite/admin/purgeRoom/{roomID}`. It
completely erases all database entries for a given room ID.

The roomserver will start by clearing all data for that room and then
will generate an output event to notify downstream components (i.e. the
sync API and federation API) to do the same.

It does not currently clear media and it is currently not implemented
for SQLite since it relies on SQL array operations right now.

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
Co-authored-by: Till Faelligen <2353100+S7evinK@users.noreply.github.com>
This commit is contained in:
Neil 2023-01-19 20:02:32 +00:00 • committed by GitHub
parent 67f5c5bc1e
commit 738686ae68
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GPG key ID: 4AEE18F83AFDEB23
48 changed files with 1213 additions and 170 deletions
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33
roomserver/storage/sqlite3/state_snapshot_table.go
View file

@ -62,10 +62,14 @@ const bulkSelectStateBlockNIDsSQL = "" +
"SELECT state_snapshot_nid, state_block_nids FROM roomserver_state_snapshots" +
" WHERE state_snapshot_nid IN ($1) ORDER BY state_snapshot_nid ASC"
const selectStateBlockNIDsForRoomNID = "" +
"SELECT state_block_nids FROM roomserver_state_snapshots WHERE room_nid = $1"
type stateSnapshotStatements struct {
db *sql.DB
insertStateStmt *sql.Stmt
bulkSelectStateBlockNIDsStmt *sql.Stmt
selectStateBlockNIDsStmt *sql.Stmt
}
func CreateStateSnapshotTable(db *sql.DB) error {
@ -73,7 +77,7 @@ func CreateStateSnapshotTable(db *sql.DB) error {
return err
}
func PrepareStateSnapshotTable(db *sql.DB) (tables.StateSnapshot, error) {
func PrepareStateSnapshotTable(db *sql.DB) (*stateSnapshotStatements, error) {
s := &stateSnapshotStatements{
db: db,
}
@ -81,6 +85,7 @@ func PrepareStateSnapshotTable(db *sql.DB) (tables.StateSnapshot, error) {
return s, sqlutil.StatementList{
{&s.insertStateStmt, insertStateSQL},
{&s.bulkSelectStateBlockNIDsStmt, bulkSelectStateBlockNIDsSQL},
{&s.selectStateBlockNIDsStmt, selectStateBlockNIDsForRoomNID},
}.Prepare(db)
}
@ -146,3 +151,29 @@ func (s *stateSnapshotStatements) BulkSelectStateForHistoryVisibility(
) ([]types.EventNID, error) {
return nil, tables.OptimisationNotSupportedError
}
func (s *stateSnapshotStatements) selectStateBlockNIDsForRoomNID(
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
) ([]types.StateBlockNID, error) {
var res []types.StateBlockNID
rows, err := sqlutil.TxStmt(txn, s.selectStateBlockNIDsStmt).QueryContext(ctx, roomNID)
if err != nil {
return res, nil
}
defer internal.CloseAndLogIfError(ctx, rows, "selectStateBlockNIDsForRoomNID: rows.close() failed")
var stateBlockNIDs []types.StateBlockNID
var stateBlockNIDsJSON string
for rows.Next() {
if err = rows.Scan(&stateBlockNIDsJSON); err != nil {
return nil, err
}
if err = json.Unmarshal([]byte(stateBlockNIDsJSON), &stateBlockNIDs); err != nil {
return nil, err
}
res = append(res, stateBlockNIDs...)
}
return res, rows.Err()
}