Raise max buffer size for response body filtering

Related discussion:
uBlockOrigin/uBlock-discussions#891

src/js/traffic.js

@@ -19,29 +19,23 @@
  Home: https://github.com/gorhill/uBlock
 */
 
-/* globals browser */
-
-'use strict';
-
 /******************************************************************************/
 
+import * as fc from './filtering-context.js';
+import * as sfp from './static-filtering-parser.js';
+import {
+ sessionFirewall,
+ sessionSwitches,
+ sessionURLFiltering,
+} from './filtering-engines.js';
 import htmlFilteringEngine from './html-filtering.js';
 import httpheaderFilteringEngine from './httpheader-filtering.js';
+import { isNetworkURI } from './uri-utils.js';
 import logger from './logger.js';
 import scriptletFilteringEngine from './scriptlet-filtering.js';
 import staticNetFilteringEngine from './static-net-filtering.js';
 import textEncode from './text-encode.js';
 import µb from './background.js';
-import * as sfp from './static-filtering-parser.js';
-import * as fc from './filtering-context.js';
-import { isNetworkURI } from './uri-utils.js';
-
-import {
- sessionFirewall,
- sessionSwitches,
- sessionURLFiltering,
-} from './filtering-engines.js';
-
 
 /******************************************************************************/
 
@@ -695,20 +689,20 @@ const bodyFilterer = (( ) => {
  'audio/x-mpegurl',
  ]);
  const BINARY_TYPES = fc.FONT | fc.IMAGE | fc.MEDIA | fc.WEBSOCKET;
- const MAX_BUFFER_LENGTH = 3 * 1024 * 1024;
+ const MAX_RESPONSE_BUFFER_LENGTH = 10 * 1024 * 1024;
 
  let textDecoder, textEncoder;
  let mime = '';
  let charset = '';
 
  const contentTypeFromDetails = details => {
  switch ( details.type ) {
-  case 'script':
-  return 'text/javascript; charset=utf-8';
-  case 'stylesheet':
-  return 'text/css';
-  default:
-  break;
+ case 'script':
+ return 'text/javascript; charset=utf-8';
+ case 'stylesheet':
+ return 'text/css';
+ default:
+ break;
  }
  return '';
  };
@@ -721,13 +715,13 @@ const bodyFilterer = (( ) => {
 
  const charsetFromMime = mime => {
  switch ( mime ) {
-  case 'application/xml':
-  case 'application/xhtml+xml':
-  case 'text/html':
-  case 'text/css':
-  return;
-  default:
-  break;
+ case 'application/xml':
+ case 'application/xhtml+xml':
+ case 'text/html':
+ case 'text/css':
+ return;
+ default:
+ break;
  }
  return 'utf-8';
  };
@@ -811,7 +805,7 @@ const bodyFilterer = (( ) => {
  buffer.set(session.buffer);
  buffer.set(new Uint8Array(ev.data), session.buffer.byteLength);
  session.buffer = buffer;
- if ( session.buffer.length >= MAX_BUFFER_LENGTH ) {
+ if ( session.buffer.length >= MAX_RESPONSE_BUFFER_LENGTH ) {
  sessions.delete(this);
  this.write(session.buffer);
  this.disconnect();