mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-10 01:02:08 +01:00
Expose matchAndFetchModifiers() in npm package
Also, add instrumentation for the method in dig-snfe.
This commit is contained in:
Raymond Hill
parent
a9aca818f9
commit
8959cea3cc
3 changed files with 223 additions and 92 deletions
4
Makefile
4
Makefile
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@ -2,7 +2,7 @@
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run_options := $(filter-out $@,$(MAKECMDGOALS))
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.PHONY: all clean test lint chromium firefox npm dig \
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compare maxcost mincost record wasm
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compare maxcost mincost modifiers record wasm
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sources := $(wildcard src/* src/*/* src/*/*/* src/*/*/*/*)
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platform := $(wildcard platform/* platform/*/*)
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@ -64,6 +64,8 @@ maxcost:
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@echo
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mincost:
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@echo
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modifiers:
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@echo
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record:
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@echo
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wasm:
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@ -42,10 +42,33 @@ const FLAGS = process.argv.slice(2);
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const COMPARE = FLAGS.includes('compare');
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const MAXCOST = FLAGS.includes('maxcost');
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const MINCOST = FLAGS.includes('mincost');
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const MODIFIERS = FLAGS.includes('modifiers');
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const RECORD = FLAGS.includes('record');
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const WASM = FLAGS.includes('wasm');
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const NEED_RESULTS = COMPARE || MAXCOST || MINCOST || RECORD;
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// This maps puppeteer types to WebRequest types
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const WEBREQUEST_OPTIONS = {
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// Consider document requests as sub_document. This is because the request
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// dataset does not contain sub_frame or main_frame but only 'document' and
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// different blockers have different behaviours.
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document: 'sub_frame',
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stylesheet: 'stylesheet',
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image: 'image',
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media: 'media',
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font: 'font',
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script: 'script',
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xhr: 'xmlhttprequest',
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fetch: 'xmlhttprequest',
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websocket: 'websocket',
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ping: 'ping',
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// other
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other: 'other',
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eventsource: 'other',
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manifest: 'other',
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texttrack: 'other',
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};
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/******************************************************************************/
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function nanoToMilli(bigint) {
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@ -66,6 +89,76 @@ async function write(path, data) {
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/******************************************************************************/
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async function matchRequests(engine, requests) {
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const results = [];
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const details = {
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r: 0,
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f: undefined,
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type: '',
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url: '',
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originURL: '',
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t: 0,
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};
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let notBlockedCount = 0;
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let blockedCount = 0;
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let unblockedCount = 0;
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const start = process.hrtime.bigint();
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for ( let i = 0; i < requests.length; i++ ) {
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const request = requests[i];
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const reqstart = process.hrtime.bigint();
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details.type = WEBREQUEST_OPTIONS[request.cpt];
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details.url = request.url;
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details.originURL = request.frameUrl;
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const r = engine.matchRequest(details);
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if ( r === 0 ) {
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notBlockedCount += 1;
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} else if ( r === 1 ) {
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blockedCount += 1;
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} else {
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unblockedCount += 1;
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}
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if ( NEED_RESULTS !== true ) { continue; }
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const reqstop = process.hrtime.bigint();
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details.r = r;
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details.f = r !== 0 ? engine.toLogData().raw : undefined;
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details.t = Math.round(Number(reqstop - reqstart) / 10) / 100;
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results.push([ i, Object.assign({}, details) ]);
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}
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const stop = process.hrtime.bigint();
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console.log(`Matched ${requests.length} requests in ${nanoToMilli(stop - start)}`);
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console.log(`\tNot blocked: ${notBlockedCount} requests`);
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console.log(`\tBlocked: ${blockedCount} requests`);
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console.log(`\tUnblocked: ${unblockedCount} requests`);
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console.log(`\tAverage: ${nanoToMicro((stop - start) / BigInt(requests.length))} per request`);
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if ( RECORD ) {
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write('data/snfe.json', JSON.stringify(results, null, 2));
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}
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if ( COMPARE ) {
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const diffs = await compare(results);
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if ( Array.isArray(diffs) ) {
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write('data/snfe.diffs.json', JSON.stringify(diffs, null, 2));
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}
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console.log(`Compare: ${diffs.length} requests differ`);
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}
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if ( MAXCOST ) {
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const costly = results.slice().sort((a,b) => b[1].t - a[1].t).slice(0, 1000);
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write('data/snfe.maxcost.json', JSON.stringify(costly, null, 2));
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}
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if ( MINCOST ) {
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const costly = results.slice().sort((a,b) => a[1].t - b[1].t).slice(0, 1000);
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write('data/snfe.mincost.json', JSON.stringify(costly, null, 2));
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}
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}
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async function compare(results) {
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let before;
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try {
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@ -89,6 +182,119 @@ async function compare(results) {
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/******************************************************************************/
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async function matchRequestModifiers(engine, requests) {
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const results = {
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'csp': [],
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'redirect-rule': [],
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'removeparam': [],
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};
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const details = {
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f: undefined,
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type: '',
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url: '',
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originURL: '',
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t: 0,
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};
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let modifiedCount = 0;
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const start = process.hrtime.bigint();
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for ( let i = 0; i < requests.length; i++ ) {
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const request = requests[i];
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details.type = WEBREQUEST_OPTIONS[request.cpt];
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details.url = request.url;
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details.originURL = request.frameUrl;
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const r = engine.matchRequest(details);
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if ( r !== 1 && details.type === 'sub_frame' ) {
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const reqstart = process.hrtime.bigint();
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const directives = engine.matchAndFetchModifiers(details, 'csp');
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if ( directives !== undefined ) {
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modifiedCount += 1;
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if ( NEED_RESULTS ) {
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const reqstop = process.hrtime.bigint();
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details.f = directives.map(a => a.logData().raw).sort().join(' ');
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details.t = Math.round(Number(reqstop - reqstart) / 10) / 100;
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results['csp'].push([ i, Object.assign({}, details) ]);
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}
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}
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}
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if ( r === 1 ) {
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const reqstart = process.hrtime.bigint();
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const directives = engine.matchAndFetchModifiers(details, 'redirect-rule');
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if ( directives !== undefined ) {
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modifiedCount += 1;
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if ( NEED_RESULTS ) {
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const reqstop = process.hrtime.bigint();
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details.f = directives.map(a => a.logData().raw).sort().join(' ');
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details.t = Math.round(Number(reqstop - reqstart) / 10) / 100;
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results['redirect-rule'].push([ i, Object.assign({}, details) ]);
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}
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}
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}
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if ( r !== 1 !== details.url.includes('?') ) {
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const reqstart = process.hrtime.bigint();
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const directives = engine.matchAndFetchModifiers(details, 'removeparam');
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if ( directives !== undefined ) {
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modifiedCount += 1;
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if ( NEED_RESULTS ) {
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const reqstop = process.hrtime.bigint();
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details.f = directives.map(a => a.logData().raw).sort().join(' ');
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details.t = Math.round(Number(reqstop - reqstart) / 10) / 100;
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results['removeparam'].push([ i, Object.assign({}, details) ]);
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}
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}
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}
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}
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const stop = process.hrtime.bigint();
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console.log(`Matched-modified ${requests.length} requests in ${nanoToMilli(stop - start)}`);
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console.log(`\t${modifiedCount} modifiers found`);
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console.log(`\tAverage: ${nanoToMicro((stop - start) / BigInt(requests.length))} per matched-modified request`);
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if ( RECORD ) {
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write('data/snfe.modifiers.json', JSON.stringify(results, null, 2));
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}
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if ( COMPARE ) {
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const diffs = await compareModifiers(results);
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if ( Array.isArray(diffs) ) {
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write('data/snfe.modifiers.diffs.json', JSON.stringify(diffs, null, 2));
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}
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console.log(`Compare: ${diffs.length} modified requests differ`);
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}
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}
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async function compareModifiers(afterResults) {
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let beforeResults;
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try {
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const raw = await read('data/snfe.modifiers.json');
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beforeResults = JSON.parse(raw);
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} catch(ex) {
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console.log(ex);
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console.log('Nothing to compare');
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return;
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}
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const diffs = [];
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for ( const modifier of [ 'csp', 'redirect-rule', 'removeparam' ] ) {
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const before = new Map(beforeResults[modifier]);
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const after = new Map(afterResults[modifier]);
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for ( const [ i, b ] of before ) {
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const a = after.get(i);
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if ( a !== undefined && a.f === b.f ) { continue; }
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diffs.push([ i, { before: b, after: a || null } ]);
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}
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for ( const [ i, a ] of after ) {
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const b = before.get(i);
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if ( b !== undefined ) { continue; }
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diffs.push([ i, { before: b || null, after: a } ]);
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}
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}
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return diffs;
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}
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/******************************************************************************/
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async function bench() {
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if ( WASM ) {
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try {
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@ -101,28 +307,6 @@ async function bench() {
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}
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}
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// This maps puppeteer types to WebRequest types
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const WEBREQUEST_OPTIONS = {
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// Consider document requests as sub_document. This is because the request
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// dataset does not contain sub_frame or main_frame but only 'document' and
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// different blockers have different behaviours.
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document: 'sub_frame',
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stylesheet: 'stylesheet',
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image: 'image',
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media: 'media',
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font: 'font',
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script: 'script',
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xhr: 'xmlhttprequest',
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fetch: 'xmlhttprequest',
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websocket: 'websocket',
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ping: 'ping',
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// other
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other: 'other',
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eventsource: 'other',
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manifest: 'other',
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texttrack: 'other',
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};
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const require = createRequire(import.meta.url); // jshint ignore:line
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const requests = await require('./node_modules/scaling-palm-tree/requests.json');
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const engine = await StaticNetFilteringEngine.create();
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@ -155,79 +339,20 @@ async function bench() {
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let stop = process.hrtime.bigint();
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console.log(`Filter lists parsed-compiled-loaded in ${nanoToMilli(stop - start)}`);
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const details = {
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r: 0,
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f: undefined,
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type: '',
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url: '',
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originURL: '',
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t: 0,
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};
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// Dry run to let JS engine optimize hot JS code paths
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for ( let i = 0; i < requests.length; i++ ) {
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for ( let i = 0; i < requests.length; i += 8 ) {
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const request = requests[i];
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details.type = WEBREQUEST_OPTIONS[request.cpt];
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details.url = request.url;
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details.originURL = request.frameUrl;
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void engine.matchRequest(details);
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void engine.matchRequest({
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type: WEBREQUEST_OPTIONS[request.cpt],
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url: request.url,
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originURL: request.frameUrl,
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});
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}
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const results = [];
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let notBlockedCount = 0;
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let blockedCount = 0;
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let unblockedCount = 0;
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start = process.hrtime.bigint();
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for ( let i = 0; i < requests.length; i++ ) {
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const request = requests[i];
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const reqstart = process.hrtime.bigint();
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details.type = WEBREQUEST_OPTIONS[request.cpt];
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details.url = request.url;
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details.originURL = request.frameUrl;
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const r = engine.matchRequest(details);
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if ( r === 0 ) {
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notBlockedCount += 1;
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} else if ( r === 1 ) {
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blockedCount += 1;
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if ( MODIFIERS === false ) {
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matchRequests(engine, requests);
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} else {
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unblockedCount += 1;
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}
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if ( NEED_RESULTS !== true ) { continue; }
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const reqstop = process.hrtime.bigint();
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details.r = r;
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details.f = r !== 0 ? engine.toLogData().raw : undefined;
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details.t = Math.round(Number(reqstop - reqstart) / 10) / 100;
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results.push([ i, Object.assign({}, details) ]);
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}
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stop = process.hrtime.bigint();
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console.log(`Matched ${requests.length} requests in ${nanoToMilli(stop - start)}`);
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console.log(`\tNot blocked: ${notBlockedCount} requests`);
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console.log(`\tBlocked: ${blockedCount} requests`);
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console.log(`\tUnblocked: ${unblockedCount} requests`);
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console.log(`\tAverage: ${nanoToMicro((stop - start) / BigInt(requests.length))} per request`);
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if ( RECORD ) {
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write('data/snfe.json', JSON.stringify(results, null, 2));
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}
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if ( COMPARE ) {
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const diffs = await compare(results);
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if ( Array.isArray(diffs) ) {
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write('data/snfe.diffs.json', JSON.stringify(diffs, null, 2));
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}
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console.log(`Compare: ${diffs.length} requests differ`);
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}
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if ( MAXCOST ) {
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const costly = results.sort((a,b) => b[1].t - a[1].t).slice(0, 1000);
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write('data/snfe.maxcost.json', JSON.stringify(costly, null, 2));
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}
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if ( MINCOST ) {
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const costly = results.sort((a,b) => a[1].t - b[1].t).slice(0, 1000);
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write('data/snfe.mincost.json', JSON.stringify(costly, null, 2));
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matchRequestModifiers(engine, requests);
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}
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StaticNetFilteringEngine.release();
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@ -221,6 +221,10 @@ class StaticNetFilteringEngine {
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return snfe.matchRequest(fctx.fromDetails(details));
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}
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matchAndFetchModifiers(details, modifier) {
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return snfe.matchAndFetchModifiers(fctx.fromDetails(details), modifier);
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}
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toLogData() {
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return snfe.toLogData();
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}
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