mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-16 22:33:44 +01:00
3ddbffd59e
* Refactor mediaapi storage layer * Verify filetype before trying to create thumbnails * Add media api storage tests * Fix returned values
166 lines
5.5 KiB
Go
166 lines
5.5 KiB
Go
// Copyright 2017-2018 New Vector Ltd
|
|
// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package sqlite3
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"time"
|
|
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/dendrite/mediaapi/storage/tables"
|
|
"github.com/matrix-org/dendrite/mediaapi/types"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
const thumbnailSchema = `
|
|
-- The mediaapi_thumbnail table holds metadata for each thumbnail file stored and accessible to the local server,
|
|
-- the actual file is stored separately.
|
|
CREATE TABLE IF NOT EXISTS mediaapi_thumbnail (
|
|
media_id TEXT NOT NULL,
|
|
media_origin TEXT NOT NULL,
|
|
content_type TEXT NOT NULL,
|
|
file_size_bytes INTEGER NOT NULL,
|
|
creation_ts INTEGER NOT NULL,
|
|
width INTEGER NOT NULL,
|
|
height INTEGER NOT NULL,
|
|
resize_method TEXT NOT NULL
|
|
);
|
|
CREATE UNIQUE INDEX IF NOT EXISTS mediaapi_thumbnail_index ON mediaapi_thumbnail (media_id, media_origin, width, height, resize_method);
|
|
`
|
|
|
|
const insertThumbnailSQL = `
|
|
INSERT INTO mediaapi_thumbnail (media_id, media_origin, content_type, file_size_bytes, creation_ts, width, height, resize_method)
|
|
VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
|
|
`
|
|
|
|
// Note: this selects one specific thumbnail
|
|
const selectThumbnailSQL = `
|
|
SELECT content_type, file_size_bytes, creation_ts FROM mediaapi_thumbnail WHERE media_id = $1 AND media_origin = $2 AND width = $3 AND height = $4 AND resize_method = $5
|
|
`
|
|
|
|
// Note: this selects all thumbnails for a media_origin and media_id
|
|
const selectThumbnailsSQL = `
|
|
SELECT content_type, file_size_bytes, creation_ts, width, height, resize_method FROM mediaapi_thumbnail WHERE media_id = $1 AND media_origin = $2 ORDER BY creation_ts ASC
|
|
`
|
|
|
|
type thumbnailStatements struct {
|
|
insertThumbnailStmt *sql.Stmt
|
|
selectThumbnailStmt *sql.Stmt
|
|
selectThumbnailsStmt *sql.Stmt
|
|
}
|
|
|
|
func NewSQLiteThumbnailsTable(db *sql.DB) (tables.Thumbnails, error) {
|
|
s := &thumbnailStatements{}
|
|
_, err := db.Exec(thumbnailSchema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return s, sqlutil.StatementList{
|
|
{&s.insertThumbnailStmt, insertThumbnailSQL},
|
|
{&s.selectThumbnailStmt, selectThumbnailSQL},
|
|
{&s.selectThumbnailsStmt, selectThumbnailsSQL},
|
|
}.Prepare(db)
|
|
}
|
|
|
|
func (s *thumbnailStatements) InsertThumbnail(ctx context.Context, txn *sql.Tx, thumbnailMetadata *types.ThumbnailMetadata) error {
|
|
thumbnailMetadata.MediaMetadata.CreationTimestamp = gomatrixserverlib.AsTimestamp(time.Now())
|
|
_, err := sqlutil.TxStmtContext(ctx, txn, s.insertThumbnailStmt).ExecContext(
|
|
ctx,
|
|
thumbnailMetadata.MediaMetadata.MediaID,
|
|
thumbnailMetadata.MediaMetadata.Origin,
|
|
thumbnailMetadata.MediaMetadata.ContentType,
|
|
thumbnailMetadata.MediaMetadata.FileSizeBytes,
|
|
thumbnailMetadata.MediaMetadata.CreationTimestamp,
|
|
thumbnailMetadata.ThumbnailSize.Width,
|
|
thumbnailMetadata.ThumbnailSize.Height,
|
|
thumbnailMetadata.ThumbnailSize.ResizeMethod,
|
|
)
|
|
return err
|
|
}
|
|
|
|
func (s *thumbnailStatements) SelectThumbnail(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
mediaID types.MediaID,
|
|
mediaOrigin gomatrixserverlib.ServerName,
|
|
width, height int,
|
|
resizeMethod string,
|
|
) (*types.ThumbnailMetadata, error) {
|
|
thumbnailMetadata := types.ThumbnailMetadata{
|
|
MediaMetadata: &types.MediaMetadata{
|
|
MediaID: mediaID,
|
|
Origin: mediaOrigin,
|
|
},
|
|
ThumbnailSize: types.ThumbnailSize{
|
|
Width: width,
|
|
Height: height,
|
|
ResizeMethod: resizeMethod,
|
|
},
|
|
}
|
|
err := sqlutil.TxStmtContext(ctx, txn, s.selectThumbnailStmt).QueryRowContext(
|
|
ctx,
|
|
thumbnailMetadata.MediaMetadata.MediaID,
|
|
thumbnailMetadata.MediaMetadata.Origin,
|
|
thumbnailMetadata.ThumbnailSize.Width,
|
|
thumbnailMetadata.ThumbnailSize.Height,
|
|
thumbnailMetadata.ThumbnailSize.ResizeMethod,
|
|
).Scan(
|
|
&thumbnailMetadata.MediaMetadata.ContentType,
|
|
&thumbnailMetadata.MediaMetadata.FileSizeBytes,
|
|
&thumbnailMetadata.MediaMetadata.CreationTimestamp,
|
|
)
|
|
return &thumbnailMetadata, err
|
|
}
|
|
|
|
func (s *thumbnailStatements) SelectThumbnails(
|
|
ctx context.Context, txn *sql.Tx, mediaID types.MediaID,
|
|
mediaOrigin gomatrixserverlib.ServerName,
|
|
) ([]*types.ThumbnailMetadata, error) {
|
|
rows, err := sqlutil.TxStmtContext(ctx, txn, s.selectThumbnailsStmt).QueryContext(
|
|
ctx, mediaID, mediaOrigin,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectThumbnails: rows.close() failed")
|
|
|
|
var thumbnails []*types.ThumbnailMetadata
|
|
for rows.Next() {
|
|
thumbnailMetadata := types.ThumbnailMetadata{
|
|
MediaMetadata: &types.MediaMetadata{
|
|
MediaID: mediaID,
|
|
Origin: mediaOrigin,
|
|
},
|
|
}
|
|
err = rows.Scan(
|
|
&thumbnailMetadata.MediaMetadata.ContentType,
|
|
&thumbnailMetadata.MediaMetadata.FileSizeBytes,
|
|
&thumbnailMetadata.MediaMetadata.CreationTimestamp,
|
|
&thumbnailMetadata.ThumbnailSize.Width,
|
|
&thumbnailMetadata.ThumbnailSize.Height,
|
|
&thumbnailMetadata.ThumbnailSize.ResizeMethod,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
thumbnails = append(thumbnails, &thumbnailMetadata)
|
|
}
|
|
|
|
return thumbnails, rows.Err()
|
|
}
|