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https://github.com/gorhill/uBlock.git
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fea92ac110
commit
3668445679
@ -203,17 +203,28 @@ function safeSelf() {
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'get-exception-token.fn',
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fn: getExceptionToken,
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name: 'get-random-token.fn',
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fn: getRandomToken,
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dependencies: [
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'safe-self.fn',
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],
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});
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function getExceptionToken() {
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function getRandomToken() {
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const safe = safeSelf();
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const token =
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safe.String_fromCharCode(Date.now() % 26 + 97) +
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return safe.String_fromCharCode(Date.now() % 26 + 97) +
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safe.Math_floor(safe.Math_random() * 982451653 + 982451653).toString(36);
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}
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'get-exception-token.fn',
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fn: getExceptionToken,
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dependencies: [
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'get-random-token.fn',
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],
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});
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function getExceptionToken() {
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const token = getRandomToken();
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const oe = self.onerror;
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self.onerror = function(msg, ...args) {
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if ( typeof msg === 'string' && msg.includes(token) ) { return true; }
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@ -701,6 +712,7 @@ builtinScriptlets.push({
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name: 'replace-node-text.fn',
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fn: replaceNodeTextFn,
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dependencies: [
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'get-random-token.fn',
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'run-at.fn',
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'safe-self.fn',
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],
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@ -736,7 +748,7 @@ function replaceNodeTextFn(
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if ( tt instanceof Object ) {
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if ( typeof tt.getPropertyType === 'function' ) {
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if ( tt.getPropertyType('script', 'textContent') === 'TrustedScript' ) {
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return tt.createPolicy('uBO', out);
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return tt.createPolicy(getRandomToken(), out);
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}
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}
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}
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