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Code Issues Releases Wiki Activity

Raise max buffer size for response body filtering

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Related discussion:
https://github.com/uBlockOrigin/uBlock-discussions/discussions/891
This commit is contained in:
Raymond Hill 2024-06-01 10:42:14 -04:00
parent ad77938f24
commit 82a3992896
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GPG Key ID: 25E1490B761470C2
1 changed files with 24 additions and 30 deletions
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54
src/js/traffic.js
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@ -19,29 +19,23 @@
Home: https://github.com/gorhill/uBlock Home: https://github.com/gorhill/uBlock
*/ */
/* globals browser */
'use strict';
/******************************************************************************/ /******************************************************************************/
import htmlFilteringEngine from './html-filtering.js';
import httpheaderFilteringEngine from './httpheader-filtering.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 * as fc from './filtering-context.js';
import { isNetworkURI } from './uri-utils.js'; import * as sfp from './static-filtering-parser.js';
import { import {
sessionFirewall, sessionFirewall,
sessionSwitches, sessionSwitches,
sessionURLFiltering, sessionURLFiltering,
} from './filtering-engines.js'; } 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';
/******************************************************************************/ /******************************************************************************/
@ -695,7 +689,7 @@ const bodyFilterer = (( ) => {
'audio/x-mpegurl', 'audio/x-mpegurl',
]); ]);
const BINARY_TYPES = fc.FONT | fc.IMAGE | fc.MEDIA | fc.WEBSOCKET; 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 textDecoder, textEncoder;
let mime = ''; let mime = '';
@ -703,12 +697,12 @@ const bodyFilterer = (( ) => {
const contentTypeFromDetails = details => { const contentTypeFromDetails = details => {
switch ( details.type ) { switch ( details.type ) {
case 'script': case 'script':
return 'text/javascript; charset=utf-8'; return 'text/javascript; charset=utf-8';
case 'stylesheet': case 'stylesheet':
return 'text/css'; return 'text/css';
default: default:
break; break;
} }
return ''; return '';
}; };
@ -721,13 +715,13 @@ const bodyFilterer = (( ) => {
const charsetFromMime = mime => { const charsetFromMime = mime => {
switch ( mime ) { switch ( mime ) {
case 'application/xml': case 'application/xml':
case 'application/xhtml+xml': case 'application/xhtml+xml':
case 'text/html': case 'text/html':
case 'text/css': case 'text/css':
return; return;
default: default:
break; break;
} }
return 'utf-8'; return 'utf-8';
}; };
@ -811,7 +805,7 @@ const bodyFilterer = (( ) => {
buffer.set(session.buffer); buffer.set(session.buffer);
buffer.set(new Uint8Array(ev.data), session.buffer.byteLength); buffer.set(new Uint8Array(ev.data), session.buffer.byteLength);
session.buffer = buffer; session.buffer = buffer;
if ( session.buffer.length >= MAX_BUFFER_LENGTH ) { if ( session.buffer.length >= MAX_RESPONSE_BUFFER_LENGTH ) {
sessions.delete(this); sessions.delete(this);
this.write(session.buffer); this.write(session.buffer);
this.disconnect(); this.disconnect();