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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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48 changed files with 1213 additions and 170 deletions
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42
syncapi/storage/postgres/output_room_events_topology_table.go
View file

@ -18,11 +18,12 @@ import (
"context"
"database/sql"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
)
const outputRoomEventsTopologySchema = `
@ -71,6 +72,9 @@ const selectStreamToTopologicalPositionAscSQL = "" +
const selectStreamToTopologicalPositionDescSQL = "" +
"SELECT topological_position FROM syncapi_output_room_events_topology WHERE room_id = $1 AND stream_position <= $2 ORDER BY topological_position DESC LIMIT 1;"
const purgeEventsTopologySQL = "" +
"DELETE FROM syncapi_output_room_events_topology WHERE room_id = $1"
type outputRoomEventsTopologyStatements struct {
insertEventInTopologyStmt *sql.Stmt
selectEventIDsInRangeASCStmt *sql.Stmt
@ -78,6 +82,7 @@ type outputRoomEventsTopologyStatements struct {
selectPositionInTopologyStmt *sql.Stmt
selectStreamToTopologicalPositionAscStmt *sql.Stmt
selectStreamToTopologicalPositionDescStmt *sql.Stmt
purgeEventsTopologyStmt *sql.Stmt
}
func NewPostgresTopologyTable(db *sql.DB) (tables.Topology, error) {
@ -86,25 +91,15 @@ func NewPostgresTopologyTable(db *sql.DB) (tables.Topology, error) {
if err != nil {
return nil, err
}
if s.insertEventInTopologyStmt, err = db.Prepare(insertEventInTopologySQL); err != nil {
return nil, err
}
if s.selectEventIDsInRangeASCStmt, err = db.Prepare(selectEventIDsInRangeASCSQL); err != nil {
return nil, err
}
if s.selectEventIDsInRangeDESCStmt, err = db.Prepare(selectEventIDsInRangeDESCSQL); err != nil {
return nil, err
}
if s.selectPositionInTopologyStmt, err = db.Prepare(selectPositionInTopologySQL); err != nil {
return nil, err
}
if s.selectStreamToTopologicalPositionAscStmt, err = db.Prepare(selectStreamToTopologicalPositionAscSQL); err != nil {
return nil, err
}
if s.selectStreamToTopologicalPositionDescStmt, err = db.Prepare(selectStreamToTopologicalPositionDescSQL); err != nil {
return nil, err
}
return s, nil
return s, sqlutil.StatementList{
{&s.insertEventInTopologyStmt, insertEventInTopologySQL},
{&s.selectEventIDsInRangeASCStmt, selectEventIDsInRangeASCSQL},
{&s.selectEventIDsInRangeDESCStmt, selectEventIDsInRangeDESCSQL},
{&s.selectPositionInTopologyStmt, selectPositionInTopologySQL},
{&s.selectStreamToTopologicalPositionAscStmt, selectStreamToTopologicalPositionAscSQL},
{&s.selectStreamToTopologicalPositionDescStmt, selectStreamToTopologicalPositionDescSQL},
{&s.purgeEventsTopologyStmt, purgeEventsTopologySQL},
}.Prepare(db)
}
// InsertEventInTopology inserts the given event in the room's topology, based
@ -177,3 +172,10 @@ func (s *outputRoomEventsTopologyStatements) SelectStreamToTopologicalPosition(
}
return
}
func (s *outputRoomEventsTopologyStatements) PurgeEventsTopology(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
_, err := sqlutil.TxStmt(txn, s.purgeEventsTopologyStmt).ExecContext(ctx, roomID)
return err
}