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Code Issues Releases Wiki Activity

Fix parsing of redirect= option as per 67e06f53b4 (commitcomment-27803901)

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This commit is contained in:
Raymond Hill 2018-12-17 07:46:04 -05:00
parent d65dcbc771
commit dfcd23197d
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GPG Key ID: 25E1490B761470C2
2 changed files with 35 additions and 48 deletions
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82
src/js/redirect-engine.js
View File

@ -299,20 +299,17 @@ RedirectEngine.prototype.fromCompiledRule = function(line) {
/******************************************************************************/
RedirectEngine.prototype.compileRuleFromStaticFilter = function(line) {
var matches = this.reFilterParser.exec(line);
if ( matches === null || matches.length !== 4 ) {
return;
}
var µburi = µBlock.URI,
des = matches[1] || '',
pattern = (des + matches[2]).replace(/[.+?{}()|[\]\/\\]/g, '\\$&')
.replace(/\^/g, '[^\\w.%-]')
.replace(/\*/g, '.*?'),
type,
const matches = this.reFilterParser.exec(line);
if ( matches === null || matches.length !== 4 ) { return; }
let des = matches[1] || '';
const pattern = (des + matches[2]).replace(/[.+?{}()|[\]\/\\]/g, '\\$&')
.replace(/\^/g, '[^\\w.%-]')
.replace(/\*/g, '.*?');
let type,
redirect = '',
srcs = [],
options = matches[3].split(','), option;
while ( (option = options.pop()) ) {
srcs = [];
for ( const option of matches[3].split(',') ) {
if ( option.startsWith('redirect=') ) {
redirect = option.slice(9);
continue;
@ -321,29 +318,23 @@ RedirectEngine.prototype.compileRuleFromStaticFilter = function(line) {
srcs = option.slice(7).split('|');
continue;
}
if ( option === 'first-party' ) {
srcs.push(µburi.domainFromHostnameNoCache(des) || des);
if ( option === 'first-party' || option === '1p' ) {
srcs.push(µBlock.URI.domainFromHostnameNoCache(des) || des);
continue;
}
// One and only one type must be specified.
if ( option in this.supportedTypes ) {
if ( type !== undefined ) {
return;
}
type = this.supportedTypes[option];
if ( this.supportedTypes.has(option) ) {
if ( type !== undefined ) { return; }
type = this.supportedTypes.get(option);
continue;
}
}
// Need a resource token.
if ( redirect === '' ) {
return;
}
if ( redirect === '' ) { return; }
// Need one single type -- not negated.
if ( type === undefined || type.startsWith('~') ) {
return;
}
if ( type === undefined ) { return; }
if ( des === '' ) {
des = '*';
@ -353,16 +344,10 @@ RedirectEngine.prototype.compileRuleFromStaticFilter = function(line) {
srcs.push('*');
}
var out = [];
var i = srcs.length, src;
while ( i-- ) {
src = srcs[i];
if ( src === '' ) {
continue;
}
if ( src.startsWith('~') ) {
continue;
}
const out = [];
for ( const src of srcs ) {
if ( src === '' ) { continue; }
if ( src.startsWith('~') ) { continue; }
out.push(src + '\t' + des + '\t' + type + '\t' + pattern + '\t' + redirect);
}
@ -373,18 +358,19 @@ RedirectEngine.prototype.compileRuleFromStaticFilter = function(line) {
RedirectEngine.prototype.reFilterParser = /^(?:\|\|([^\/:?#^*]+)|\*)([^$]+)\$([^$]+)$/;
RedirectEngine.prototype.supportedTypes = (function() {
var types = Object.create(null);
types.font = 'font';
types.image = 'image';
types.media = 'media';
types.object = 'object';
types.script = 'script';
types.stylesheet = 'stylesheet';
types.subdocument = 'sub_frame';
types.xmlhttprequest = 'xmlhttprequest';
return types;
})();
RedirectEngine.prototype.supportedTypes = new Map([
[ 'css', 'stylesheet' ],
[ 'font', 'font' ],
[ 'image', 'image' ],
[ 'media', 'media' ],
[ 'object', 'object' ],
[ 'script', 'script' ],
[ 'stylesheet', 'stylesheet' ],
[ 'frame', 'sub_frame' ],
[ 'subdocument', 'sub_frame' ],
[ 'xhr', 'xmlhttprequest' ],
[ 'xmlhttprequest', 'xmlhttprequest' ],
]);
/******************************************************************************/

1
src/js/static-net-filtering.js
View File

@ -1385,6 +1385,7 @@ FilterParser.prototype.toNormalizedType = {
'beacon': 'other',
'css': 'stylesheet',
'data': 'data',
'doc': 'main_frame',
'document': 'main_frame',
'elemhide': 'generichide',
'font': 'font',