mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-04 01:59:38 +02:00
Ignore !#include
directives within inactive !#if
/!#endif
blocks
Related issue: - https://github.com/uBlockOrigin/uBlock-issues/issues/1113
This commit is contained in:
parent
ae57affea5
commit
aab3812089
@ -244,6 +244,7 @@ api.fetchFilterList = async function(mainlistURL) {
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const sublistURLs = new Set();
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// https://github.com/uBlockOrigin/uBlock-issues/issues/1113
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const processIncludeDirectives = function(results) {
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const out = [];
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const reInclude = /^!#include +(\S+)/gm;
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@ -254,28 +255,36 @@ api.fetchFilterList = async function(mainlistURL) {
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}
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if ( result instanceof Object === false ) { continue; }
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const content = result.content;
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let lastIndex = 0;
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for (;;) {
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if ( rootDirectoryURL === undefined ) { break; }
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const match = reInclude.exec(content);
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if ( match === null ) { break; }
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if ( toParsedURL(match[1]) !== undefined ) { continue; }
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if ( match[1].indexOf('..') !== -1 ) { continue; }
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// Compute nested list path relative to parent list path
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const pos = result.url.lastIndexOf('/');
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if ( pos === -1 ) { continue; }
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const subURL = result.url.slice(0, pos + 1) + match[1];
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if ( sublistURLs.has(subURL) ) { continue; }
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sublistURLs.add(subURL);
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out.push(
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content.slice(lastIndex, match.index),
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`! >>>>>>>> ${subURL}`,
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api.fetchText(subURL),
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`! <<<<<<<< ${subURL}`
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);
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lastIndex = reInclude.lastIndex;
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const slices = µBlock.processDirectives.split(content);
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for ( let i = 0, n = slices.length - 1; i < n; i++ ) {
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const slice = content.slice(slices[i+0], slices[i+1]);
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if ( (i & 1) !== 0 ) {
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out.push(slice);
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continue;
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}
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let lastIndex = 0;
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for (;;) {
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if ( rootDirectoryURL === undefined ) { break; }
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const match = reInclude.exec(slice);
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if ( match === null ) { break; }
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if ( toParsedURL(match[1]) !== undefined ) { continue; }
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if ( match[1].indexOf('..') !== -1 ) { continue; }
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// Compute nested list path relative to parent list path
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const pos = result.url.lastIndexOf('/');
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if ( pos === -1 ) { continue; }
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const subURL = result.url.slice(0, pos + 1) + match[1];
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if ( sublistURLs.has(subURL) ) { continue; }
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sublistURLs.add(subURL);
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out.push(
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slice.slice(lastIndex, match.index),
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`! >>>>>>>> ${subURL}`,
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api.fetchText(subURL),
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`! <<<<<<<< ${subURL}`
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);
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lastIndex = reInclude.lastIndex;
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}
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out.push(lastIndex === 0 ? slice : slice.slice(lastIndex));
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}
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out.push(lastIndex === 0 ? content : content.slice(lastIndex));
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}
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return out;
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};
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@ -799,7 +799,7 @@ self.addEventListener('hiddenSettingsChanged', ( ) => {
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// https://adblockplus.org/en/filters
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const staticNetFilteringEngine = this.staticNetFilteringEngine;
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const staticExtFilteringEngine = this.staticExtFilteringEngine;
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const lineIter = new this.LineIterator(this.processDirectives(rawText));
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const lineIter = new this.LineIterator(this.processDirectives.prune(rawText));
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const parser = new vAPI.StaticFilteringParser();
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parser.setMaxTokenLength(this.urlTokenizer.MAX_TOKEN_LENGTH);
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@ -854,69 +854,81 @@ self.addEventListener('hiddenSettingsChanged', ( ) => {
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// https://github.com/AdguardTeam/AdguardBrowserExtension/issues/917
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µBlock.processDirectives = function(content) {
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const reIf = /^!#(if|endif)\b([^\n]*)/gm;
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const stack = [];
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const shouldDiscard = ( ) => stack.some(v => v);
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const parts = [];
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let beg = 0, discard = false;
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µBlock.processDirectives = {
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// This method returns an array of indices, corresponding to position in
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// the content string which should alternatively be parsed and discarded.
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split: function(content) {
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const reIf = /^!#(if|endif)\b([^\n]*)(?:[\n\r]+|$)/gm;
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const stack = [];
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const shouldDiscard = ( ) => stack.some(v => v);
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const parts = [ 0 ];
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let discard = false;
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while ( beg < content.length ) {
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const match = reIf.exec(content);
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if ( match === null ) { break; }
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for (;;) {
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const match = reIf.exec(content);
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if ( match === null ) { break; }
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switch ( match[1] ) {
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case 'if':
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let expr = match[2].trim();
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const target = expr.charCodeAt(0) === 0x21 /* '!' */;
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if ( target ) { expr = expr.slice(1); }
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const token = this.processDirectives.tokens.get(expr);
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const startDiscard =
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token === 'false' &&
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target === false ||
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token !== undefined &&
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vAPI.webextFlavor.soup.has(token) === target;
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if ( discard === false && startDiscard ) {
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parts.push(content.slice(beg, match.index));
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discard = true;
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switch ( match[1] ) {
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case 'if':
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let expr = match[2].trim();
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const target = expr.charCodeAt(0) === 0x21 /* '!' */;
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if ( target ) { expr = expr.slice(1); }
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const token = this.tokens.get(expr);
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const startDiscard =
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token === 'false' &&
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target === false ||
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token !== undefined &&
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vAPI.webextFlavor.soup.has(token) === target;
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if ( discard === false && startDiscard ) {
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parts.push(match.index);
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discard = true;
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}
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stack.push(startDiscard);
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break;
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case 'endif':
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stack.pop();
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const stopDiscard = shouldDiscard() === false;
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if ( discard && stopDiscard ) {
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parts.push(match.index + match[0].length);
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discard = false;
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}
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break;
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default:
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break;
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}
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stack.push(startDiscard);
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break;
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case 'endif':
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stack.pop();
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const stopDiscard = shouldDiscard() === false;
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if ( discard && stopDiscard ) {
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beg = match.index + match[0].length + 1;
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discard = false;
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}
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break;
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default:
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break;
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}
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}
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if ( stack.length === 0 && parts.length !== 0 ) {
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parts.push(content.slice(beg));
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content = parts.join('\n');
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}
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return content.trim();
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parts.push(content.length);
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return parts;
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},
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prune: function(content) {
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const parts = this.split(content);
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const out = [];
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for ( let i = 0, n = parts.length - 1; i < n; i += 2 ) {
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const beg = parts[i+0];
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const end = parts[i+1];
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out.push(content.slice(beg, end));
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}
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return out.join('\n');
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},
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tokens: new Map([
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[ 'ext_ublock', 'ublock' ],
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[ 'env_chromium', 'chromium' ],
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[ 'env_edge', 'edge' ],
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[ 'env_firefox', 'firefox' ],
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[ 'env_legacy', 'legacy' ],
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[ 'env_mobile', 'mobile' ],
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[ 'env_safari', 'safari' ],
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[ 'cap_html_filtering', 'html_filtering' ],
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[ 'cap_user_stylesheet', 'user_stylesheet' ],
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[ 'false', 'false' ],
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]),
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};
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µBlock.processDirectives.tokens = new Map([
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[ 'ext_ublock', 'ublock' ],
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[ 'env_chromium', 'chromium' ],
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[ 'env_edge', 'edge' ],
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[ 'env_firefox', 'firefox' ],
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[ 'env_legacy', 'legacy' ],
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[ 'env_mobile', 'mobile' ],
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[ 'env_safari', 'safari' ],
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[ 'cap_html_filtering', 'html_filtering' ],
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[ 'cap_user_stylesheet', 'user_stylesheet' ],
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[ 'false', 'false' ],
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]);
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/******************************************************************************/
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µBlock.loadRedirectResources = async function() {
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