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export BlobHandle and add method to create handle from buffer with unfiltered mimetype (for thirdroom)

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This commit is contained in:
Bruno Windels 2023-04-06 15:02:56 +02:00
parent a925ec622a
commit 457f1e52c9
2 changed files with 12 additions and 0 deletions
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1
src/lib.ts
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@ -19,6 +19,7 @@ export type {ILogItem} from "./logging/types";
export {IDBLogPersister} from "./logging/IDBLogPersister"; export {IDBLogPersister} from "./logging/IDBLogPersister";
export {ConsoleReporter} from "./logging/ConsoleReporter"; export {ConsoleReporter} from "./logging/ConsoleReporter";
export {Platform} from "./platform/web/Platform.js"; export {Platform} from "./platform/web/Platform.js";
export {BlobHandle} from "./platform/web/dom/BlobHandle";
export {Client, LoadStatus} from "./matrix/Client.js"; export {Client, LoadStatus} from "./matrix/Client.js";
export {RoomStatus} from "./matrix/room/common"; export {RoomStatus} from "./matrix/room/common";
// export everything needed to observe state events on all rooms using session.observeRoomState // export everything needed to observe state events on all rooms using session.observeRoomState

11
src/platform/web/dom/BlobHandle.js
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@ -74,12 +74,23 @@ const ALLOWED_BLOB_MIMETYPES = {
const DEFAULT_MIMETYPE = 'application/octet-stream'; const DEFAULT_MIMETYPE = 'application/octet-stream';
export class BlobHandle { export class BlobHandle {
/**
* @internal
* Don't use the constructor directly, instead use fromBuffer, fromBlob or fromBufferUnsafe
* */
constructor(blob, buffer = null) { constructor(blob, buffer = null) {
this._blob = blob; this._blob = blob;
this._buffer = buffer; this._buffer = buffer;
this._url = null; this._url = null;
} }
/** Does not filter out mimetypes that could execute embedded javascript.
* It's up to the callee of this method to ensure that the blob won't be
* rendered by the browser in a way that could allow cross-signing scripting. */
static fromBufferUnsafe(buffer, mimetype) {
return new BlobHandle(new Blob([buffer], {type: mimetype}), buffer);
}
static fromBuffer(buffer, mimetype) { static fromBuffer(buffer, mimetype) {
mimetype = mimetype ? mimetype.split(";")[0].trim() : ''; mimetype = mimetype ? mimetype.split(";")[0].trim() : '';
if (!ALLOWED_BLOB_MIMETYPES[mimetype]) { if (!ALLOWED_BLOB_MIMETYPES[mimetype]) {