mirror of
https://github.com/gorhill/uBlock.git
synced 2026-03-11 09:04:36 +00:00
426395aa03
Regex-based static network filters are those most likely to cause performance degradation, and as such the best guard against undue performance degradation caused by regex-based filters is the ability to extract valid and good tokens from regex patterns. This commit introduces a complete regex parser so that the static network filtering engine can now safely extract tokens regardless of the complexity of the regex pattern. The regex parser is a library imported from: https://github.com/foo123/RegexAnalyzer The syntax highlighter adds an underline to regex-based filters as a visual aid to filter authors so as to avoid mistakenly creating regex-based filters. This commit further colors the underline as a warning when a regex-based filter is found to be untokenizable. Filter list authors are invited to spot these untokenizable regex-based filters in their lists to verify that no mistake were made for those filters, causing them to be untokenizabke. For example, what appears to be a mistake: /^https?:\/\/.*\/sw.js?.[a-zA-Z0-9%]{50,}/ Though the mistake is minor, the regex-based filter above is untokenizable as a result, and become tokenizable when the `.` is properly escaped: /^https?:\/\/.*\/sw\.js?.[a-zA-Z0-9%]{50,}/ Filter list authors can use this search expression in the asset viewer to find instances of regex-based filters: /^(@@)?\/[^\n]+\/(\$|$)/
70 lines
3.3 KiB
HTML
70 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>uBlock — Your filters</title>
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<link rel="stylesheet" href="lib/codemirror/lib/codemirror.css">
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<link rel="stylesheet" href="lib/codemirror/addon/fold/foldgutter.css">
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<link rel="stylesheet" href="lib/codemirror/addon/hint/show-hint.css">
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<link rel="stylesheet" href="lib/codemirror/addon/search/matchesonscrollbar.css">
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<link rel="stylesheet" href="css/themes/default.css">
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<link rel="stylesheet" href="css/common.css">
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<link rel="stylesheet" href="css/fa-icons.css">
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<link rel="stylesheet" href="css/dashboard-common.css">
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<link rel="stylesheet" href="css/cloud-ui.css">
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<link rel="stylesheet" href="css/1p-filters.css">
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<link rel="stylesheet" href="css/codemirror.css">
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</head>
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<body>
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<div class="body">
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<div id="cloudWidget" class="hide" data-cloud-entry="myFiltersPane"></div>
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<p class="vverbose"><span data-i18n="1pFormatHint"></span> <a class="fa-icon info" href="https://github.com/gorhill/uBlock/wiki/Dashboard:-My-filters" target="_blank">question-circle</a></p>
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<p>
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<button id="userFiltersApply" class="important iconifiable" type="button" disabled><span class="fa-icon">check</span><span data-i18n="1pApplyChanges"></span></button>
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<button id="userFiltersRevert" class="iconifiable" type="button" disabled><span class="fa-icon">undo</span><span data-i18n="genericRevert"></span></button>
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<button id="importUserFiltersFromFile" class="iconifiable" type="button"><span class="fa-icon">download-alt</span><span data-i18n="1pImport"></span></button>
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<button id="exportUserFiltersToFile" class="iconifiable" type="button"><span class="fa-icon">upload-alt</span><span data-i18n="1pExport"></span></button>
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</p>
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</div>
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<div id="userFilters" class="codeMirrorContainer codeMirrorBreakAll" spellcheck="false"></div>
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<div class="hidden">
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<input id="importFilePicker" type="file" accept="text/plain">
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</div>
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<script src="lib/codemirror/lib/codemirror.js"></script>
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<script src="lib/codemirror/addon/comment/comment.js"></script>
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<script src="lib/codemirror/addon/display/panel.js"></script>
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<script src="lib/codemirror/addon/edit/closebrackets.js"></script>
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<script src="lib/codemirror/addon/edit/matchbrackets.js"></script>
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<script src="lib/codemirror/addon/fold/foldcode.js"></script>
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<script src="lib/codemirror/addon/fold/foldgutter.js"></script>
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<script src="lib/codemirror/addon/hint/show-hint.js"></script>
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<script src="lib/codemirror/addon/scroll/annotatescrollbar.js"></script>
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<script src="lib/codemirror/addon/search/searchcursor.js"></script>
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<script src="lib/codemirror/addon/selection/active-line.js"></script>
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<script src="lib/regexanalyzer/regex.js"></script>
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<script src="js/codemirror/search.js"></script>
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<script src="js/codemirror/search-thread.js"></script>
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<script src="js/codemirror/ubo-static-filtering.js"></script>
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<script src="js/fa-icons.js"></script>
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<script src="js/vapi.js"></script>
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<script src="js/vapi-common.js"></script>
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<script src="js/vapi-client.js"></script>
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<script src="js/udom.js"></script>
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<script src="js/i18n.js"></script>
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<script src="js/dashboard-common.js"></script>
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<script src="js/cloud-ui.js"></script>
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<script src="js/static-filtering-parser.js"></script>
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<script src="js/1p-filters.js"></script>
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</body>
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</html>
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