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Code Issues Releases Wiki Activity

fix https://github.com/uBlockOrigin/uBlock-issues/issues/6

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This commit is contained in:
Raymond Hill 2018-10-17 11:52:34 -03:00
parent c192045e1d
commit b8720b83de
No known key found for this signature in database
GPG Key ID: 25E1490B761470C2
2 changed files with 81 additions and 52 deletions
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129
src/js/html-filtering.js
View File

@ -1,7 +1,7 @@
/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2017 Raymond Hill
Copyright (C) 2017-present Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -32,18 +32,18 @@
duplicates = new Set(),
acceptedCount = 0,
discardedCount = 0,
docRegister, loggerRegister;
docRegister;
var PSelectorHasTextTask = function(task) {
var arg0 = task[1], arg1;
let arg0 = task[1], arg1;
if ( Array.isArray(task[1]) ) {
arg1 = arg0[1]; arg0 = arg0[0];
}
this.needle = new RegExp(arg0, arg1);
};
PSelectorHasTextTask.prototype.exec = function(input) {
var output = [];
for ( var node of input ) {
let output = [];
for ( let node of input ) {
if ( this.needle.test(node.textContent) ) {
output.push(node);
}
@ -61,8 +61,8 @@
}
});
PSelectorIfTask.prototype.exec = function(input) {
var output = [];
for ( var node of input ) {
let output = [];
for ( let node of input ) {
if ( this.pselector.test(node) === this.target ) {
output.push(node);
}
@ -81,16 +81,16 @@
this.xpe = task[1];
};
PSelectorXpathTask.prototype.exec = function(input) {
var output = [],
let output = [],
xpe = docRegister.createExpression(this.xpe, null),
xpr = null;
for ( var node of input ) {
for ( let node of input ) {
xpr = xpe.evaluate(
node,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
xpr
);
var j = xpr.snapshotLength;
let j = xpr.snapshotLength;
while ( j-- ) {
node = xpr.snapshotItem(j);
if ( node.nodeType === 1 ) {
@ -114,15 +114,14 @@
this.raw = o.raw;
this.selector = o.selector;
this.tasks = [];
var tasks = o.tasks;
if ( !tasks ) { return; }
for ( var task of tasks ) {
var ctor = this.operatorToTaskMap.get(task[0]);
if ( !o.tasks ) { return; }
for ( let task of o.tasks ) {
let ctor = this.operatorToTaskMap.get(task[0]);
if ( ctor === undefined ) {
this.invalid = true;
break;
}
var pselector = new ctor(task);
let pselector = new ctor(task);
if ( pselector instanceof PSelectorIfTask && pselector.invalid ) {
this.invalid = true;
break;
@ -133,7 +132,7 @@
PSelector.prototype.operatorToTaskMap = undefined;
PSelector.prototype.invalid = false;
PSelector.prototype.prime = function(input) {
var root = input || docRegister;
let root = input || docRegister;
if ( this.selector !== '' ) {
return root.querySelectorAll(this.selector);
}
@ -141,8 +140,8 @@
};
PSelector.prototype.exec = function(input) {
if ( this.invalid ) { return []; }
var nodes = this.prime(input);
for ( var task of this.tasks ) {
let nodes = this.prime(input);
for ( let task of this.tasks ) {
if ( nodes.length === 0 ) { break; }
nodes = task.exec(nodes);
}
@ -150,8 +149,8 @@
};
PSelector.prototype.test = function(input) {
if ( this.invalid ) { return false; }
var nodes = this.prime(input), AA = [ null ], aa;
for ( var node of nodes ) {
let nodes = this.prime(input), AA = [ null ], aa;
for ( let node of nodes ) {
AA[0] = node; aa = AA;
for ( var task of this.tasks ) {
aa = task.exec(aa);
@ -162,11 +161,14 @@
return false;
};
var logOne = function(details, selector) {
loggerRegister.writeOne(
var logOne = function(details, exception, selector) {
µb.logger.writeOne(
details.tabId,
'cosmetic',
{ source: 'cosmetic', raw: '##^' + selector },
{
source: 'cosmetic',
raw: (exception === 0 ? '##' : '#@#') + '^' + selector
},
'dom',
details.url,
null,
@ -175,40 +177,40 @@
};
var applyProceduralSelector = function(details, selector) {
var pselector = pselectors.get(selector);
let pselector = pselectors.get(selector);
if ( pselector === undefined ) {
pselector = new PSelector(JSON.parse(selector));
pselectors.set(selector, pselector);
}
var nodes = pselector.exec(),
let nodes = pselector.exec(),
i = nodes.length,
modified = false;
while ( i-- ) {
var node = nodes[i];
let node = nodes[i];
if ( node.parentNode !== null ) {
node.parentNode.removeChild(node);
modified = true;
}
}
if ( modified && loggerRegister.isEnabled() ) {
logOne(details, pselector.raw);
if ( modified && µb.logger.isEnabled() ) {
logOne(details, 0, pselector.raw);
}
return modified;
};
var applyCSSSelector = function(details, selector) {
var nodes = docRegister.querySelectorAll(selector),
let nodes = docRegister.querySelectorAll(selector),
i = nodes.length,
modified = false;
while ( i-- ) {
var node = nodes[i];
let node = nodes[i];
if ( node.parentNode !== null ) {
node.parentNode.removeChild(node);
modified = true;
}
}
if ( modified && loggerRegister.isEnabled() ) {
logOne(details, selector);
if ( modified && µb.logger.isEnabled() ) {
logOne(details, 0, selector);
}
return modified;
};
@ -259,13 +261,13 @@
while ( reader.next() ) {
acceptedCount += 1;
var fingerprint = reader.fingerprint();
let fingerprint = reader.fingerprint();
if ( duplicates.has(fingerprint) ) {
discardedCount += 1;
continue;
}
duplicates.add(fingerprint);
var args = reader.args();
let args = reader.args();
filterDB.add(args[1], {
type: args[0],
hostname: args[2],
@ -274,8 +276,8 @@
}
};
api.retrieve = function(request) {
let hostname = request.hostname;
api.retrieve = function(details) {
let hostname = details.hostname;
// https://github.com/gorhill/uBlock/issues/2835
// Do not filter if the site is under an `allow` rule.
@ -286,41 +288,66 @@
return;
}
let out = [];
let domainHash = µb.staticExtFilteringEngine.makeHash(request.domain);
let toRemoveArray = [];
let domainHash = µb.staticExtFilteringEngine.makeHash(details.domain);
if ( domainHash !== 0 ) {
filterDB.retrieve(domainHash, hostname, out);
filterDB.retrieve(domainHash, hostname, toRemoveArray);
}
let entityHash = µb.staticExtFilteringEngine.makeHash(request.entity);
let entity = details.entity;
let entityHash = µb.staticExtFilteringEngine.makeHash(entity);
if ( entityHash !== 0 ) {
filterDB.retrieve(entityHash, request.entity, out);
filterDB.retrieve(entityHash, entity, toRemoveArray);
}
filterDB.retrieve(0, hostname, out);
filterDB.retrieve(0, hostname, toRemoveArray);
if ( toRemoveArray.length === 0 ) { return; }
// TODO: handle exceptions.
if ( out.length !== 0 ) {
return out;
let notToRemoveArray = [];
if ( domainHash !== 0 ) {
filterDB.retrieve(domainHash | 0b0001, hostname, notToRemoveArray);
}
if ( entityHash !== 0 ) {
filterDB.retrieve(entityHash | 0b0001, entity, notToRemoveArray);
}
filterDB.retrieve(0 | 0b0001, hostname, notToRemoveArray);
if ( notToRemoveArray.length === 0 ) {
return toRemoveArray;
}
let toRemoveMap = new Map();
for ( let entry of toRemoveArray ) {
toRemoveMap.set(entry.selector, entry);
}
for ( let entry of notToRemoveArray ) {
if ( toRemoveMap.has(entry.selector) === false ) { continue; }
toRemoveMap.delete(entry.selector);
if ( µb.logger.isEnabled() === false ) { continue; }
let selector = entry.selector;
if ( entry.type === 65 ) {
selector = JSON.parse(selector).raw;
}
logOne(details, 1, selector);
}
if ( toRemoveMap.size === 0 ) { return; }
return Array.from(toRemoveMap);
};
api.apply = function(doc, details) {
docRegister = doc;
loggerRegister = µb.logger;
var modified = false;
for ( var entry of details.selectors ) {
let modified = false;
for ( let entry of details.selectors ) {
if ( entry.type === 64 ) {
if ( applyCSSSelector(details, entry.selector) ) {
modified = true;
}
} else {
} else /* if ( entry.type === 65 ) */ {
if ( applyProceduralSelector(details, entry.selector) ) {
modified = true;
}
}
}
docRegister = loggerRegister = undefined;
docRegister = undefined;
return modified;
};

4
src/js/static-ext-filtering.js
View File

@ -426,7 +426,9 @@
bucket = [ bucket ];
}
for ( let entry of bucket ) {
if ( hostname.endsWith(entry.hostname) === false ) { continue; }
if ( hostname.endsWith(entry.hostname) === false ) {
continue;
}
let i = hostname.length - entry.hostname.length;
if (
i === 0 ||