我正在制作类似爬虫的应用程序，它也在受Cloudflare保护的网站上进行爬虫。
我正在使用的模块是cloudflare-scrape
evalmachine.<anonymous>:1
var s,t,o,p,b,r,e,a,k,i,n,g,f, NWOXthS={"Vt":+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![])+(!+[]+!![]+!![]))/+((!+[]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[]))}; s += "==".slice(2 - (s.length & 3)); var bm, r = "", r1, r2, i = 0; for (; i < s.length;) { bm = o.indexOf(s.charAt(i++)) << 18 | o.indexOf(s.charAt(i++)) << 12 | (r1 = o.indexOf(s.charAt(i++))) << 6 | (r2 = o.indexOf(s.charAt(i++))); r += r1 === 64 ? g(bm >> 16 & 255) : r2 === 64 ? g(bm >> 16 & 255, bm >> 8 & 255) : g(bm >> 16 & 255, bm >> 8 & 255, bm & 255); } return r; }; ;NWOXthS.Vt-=+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]
SyntaxError: Illegal return statement
at new Script (vm.js:85:7)
at createScript (vm.js:266:10)
at Object.runInNewContext (vm.js:307:10)
at [eval]:1:27
at Script.runInThisContext (vm.js:124:20)
at Object.runInThisContext (vm.js:314:38)
at Object.<anonymous> ([eval]-wrapper:9:26)
at Module._compile (internal/modules/cjs/loader.js:816:30)
at evalScript (internal/process/execution.js:60:25)
at internal/main/eval_string.js:16:1
ERROR:root:Error executing Cloudflare IUAM Javascript. Cloudflare may have changed their technique, or there may be a bug in the script.
Please read https://github.com/Anorov/cloudflare-scrape#updates, then file a bug report at https://github.com/Anorov/cloudflare-scrape/issues."
Traceback (most recent call last):
File "file.py", line 4, in <module>
s = sess.get("https://www.ghostbin.com")
File "/usr/lib/python3.7/site-packages/requests/sessions.py", line 546, in get
return self.request('GET', url, **kwargs)
File "/usr/lib/python3.7/site-packages/cfscrape/__init__.py", line 68, in request
resp = self.solve_cf_challenge(resp, **kwargs)
File "/usr/lib/python3.7/site-packages/cfscrape/__init__.py", line 97, in solve_cf_challenge
params["jschl_answer"] = self.solve_challenge(body, domain)
File "/usr/lib/python3.7/site-packages/cfscrape/__init__.py", line 138, in solve_challenge
result = subprocess.check_output(["node", "-e", js]).strip()
File "/usr/lib/python3.7/subprocess.py", line 395, in check_output
**kwargs).stdout
File "/usr/lib/python3.7/subprocess.py", line 487, in run
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['node', '-e', 'console.log(require(\'vm\').runInNewContext(\'var s,t,o,p,b,r,e,a,k,i,n,g,f, NWOXthS={"Vt":+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![])+(!+[]+!![]+!![]))/+((!+[]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[]))}; s += "==".slice(2 - (s.length & 3)); var bm, r = "", r1, r2, i = 0; for (; i < s.length;) { bm = o.indexOf(s.charAt(i++)) << 18 | o.indexOf(s.charAt(i++)) << 12 | (r1 = o.indexOf(s.charAt(i++))) << 6 | (r2 = o.indexOf(s.charAt(i++))); r += r1 === 64 ? g(bm >> 16 & 255) : r2 === 64 ? g(bm >> 16 & 255, bm >> 8 & 255) : g(bm >> 16 & 255, bm >> 8 & 255, bm & 255); } return r; }; ;NWOXthS.Vt-=+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]))/(+(+((!+[]+!![]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])))+(function(p){return eval((true+"")[0]+".ch"+(false+"")[1]+(true+"")[1]+Function("return escape")()(("")["italics"]())[2]+"o"+(undefined+"")[2]+(true+"")[3]+"A"+(true+"")[0]+"("+p+")")}(+((+[]+[])))));NWOXthS.Vt-=+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]))/+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(+[])+(+[])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![]));NWOXthS.Vt+=+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![])+(+!![]))/+((!+[]+!![]+!![]+!![]+!![]+[])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+!![]));NWOXthS.Vt+=+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![])+(+!![]))/+((!+[]+!![]+!![]+!![]+!![]+!![]+[])+(+[])+(!+[]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(+!![])+(!+[]+!![]+!![]+!![]));NWOXthS.Vt+=+((!+[]+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![])+(!+[]+!![])+(!+[]+!![]+!![]+!![])+(!+[]+!![]+!![]))/+((!+[]+!![]+[])+(!+[]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![])+(+[])+(!+[]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+!![]+!![]+!![]+!![])+(+[]));NWOXthS.Vt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thS.Vt+=function(p){var p = eval(eval(e("ZG9jdW1l")+(undefined+"")[1]+(true+"")[0]+(+(+!+[]+[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+[!+[]+!+[]]+[+[]])+[])[+!+[]]+g(103)+(true+"")[3]+(true+"")[0]+"Element"+g(66)+(NaN+[Infinity])[10]+"Id("+g(107)+")."+e("aW5uZXJIVE1M"))); return +(p)}();a.value = (+NWOXthS.Vt).toFixed(10); ; 121\', Object.create(null), {timeout: 5000}));']' returned non-zero exit status 1.