7 lines
176 KiB
JavaScript
7 lines
176 KiB
JavaScript
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/*!
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* Note: Auto-generated, do not update manually.
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* Generated by: https://github.com/berstend/puppeteer-extra/tree/master/packages/extract-stealth-evasions
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* Generated on: Wed, 01 Mar 2023 12:24:47 GMT
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* License: MIT
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*/
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(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.init(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{init:"() => {\n utils.preloadCache()\n}",stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {\n setPrototypeOf: function (target, proto) {\n if (proto === null)\n throw new TypeError('Cannot convert object to primitive value')\n if (Object.getPrototypeOf(target) === Object.getPrototypeOf(proto)) {\n throw new TypeError('Cyclic __proto__ value')\n }\n return Reflect.setPrototypeOf(target, proto)\n }\n }\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function () {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = (stack, stripFirstLine = true) => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => !(index === 1 && stripFirstLine))\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = (stack, anchor) => {\n const stackArr = stack.split('\\n')\n anchor = anchor || `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Special cases due to our nested toString proxies\n err.stack = err.stack.replace(\n 'at Object.toString (',\n 'at Function.toString ('\n )\n if ((err.stack || '').includes('at Function.toString (')) {\n err.stack = stripWithBlacklist(err.stack, false)\n throw err\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n
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