Bypass A/B testing by restricting user agents

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Zed 2020-01-22 15:22:06 +01:00
parent b87cd39bce
commit a89376008a

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@ -1,115 +1,69 @@
import random, strformat, strutils import random, strformat, strutils, sequtils
randomize() randomize()
const rvs = [ const rvs = [
"11.0", "40.0", "42.0", "43.0", "47.0", "50.0", "52.0", "53.0", "54.0", "11.0", "40.0", "42.0", "43.0", "47.0", "50.0", "52.0", "53.0", "54.0",
"61.0", "66.0", "67.0" "61.0", "66.0", "67.0", "69.0", "70.0"
] ]
proc rv(): string = proc rv(): string =
if rand(5) < 3: "" if rand(10) < 1: ""
else: "; rv:" & sample(rvs) else: "; rv:" & sample(rvs)
# OS # OS
const enc = ["; U", "; N", "; I", ""]
proc linux(): string = proc linux(): string =
const const
arch = ["i686", "x86_64"] window = ["X11", "Wayland", "Unknown"]
distro = ["", "; Ubuntu/14.10", "; Ubuntu/16.10", "; Ubuntu/19.10", "; Ubuntu"] arch = ["i686", "x86_64", "arm"]
"X11; Linux " & sample(arch) & sample(distro) distro = ["", "; Ubuntu/14.10", "; Ubuntu/16.10", "; Ubuntu/19.10",
"; Ubuntu", "; Fedora"]
sample(window) & sample(enc) & "; Linux " & sample(arch) & sample(distro)
proc windows(): string = proc windows(): string =
const const
nt = ["5.1", "5.2", "6.0", "6.1", "6.2", "6.3", "6.4", "9.0", "10.0"] nt = ["5.1", "5.2", "6.0", "6.1", "6.2", "6.3", "6.4", "9.0", "10.0"]
arch = ["; WOW64", "; Win64; x64", "; ARM", ""] arch = ["; WOW64", "; Win64; x64", "; ARM", ""]
trident = ["", "; Trident/5.0", "; Trident/6.0", "; Trident/7.0"] trident = ["", "; Trident/5.0", "; Trident/6.0", "; Trident/7.0"]
"Windows " & sample(nt) & sample(arch) & sample(trident) "Windows " & sample(nt) & sample(enc) & sample(arch) & sample(trident)
let macs = toSeq(6..15).mapIt($it) & @["14_4", "10_1", "9_3"]
proc mac(): string = proc mac(): string =
const v = ["Intel Mac OS X 10_12", "Intel Mac OS X 10_11", "Intel Mac OS X 10_10_1", "Macintosh; Intel Mac OS X 10_" & sample(macs) & sample(enc)
"Intel Mac OS X 10_9_3"]
"Macintosh; " & sample(v)
# Browser # Browser
const safariV = [
"536.25", "536.26", "536.26.17", "536.28.10", "536.29.13", "536.30.1",
"537.32", "537.36", "537.43.58", "537.73.11", "537.85.17", "537.71",
"537.73.11", "537.75.14", "537.76.4", "537.77.4", "537.78.2",
"537.85.17", "538.35.8", "600.6.3", "600.7.12", "601.1.56", "601.2.7",
"601.3.9", "601.4.4", "601.5.17", "601.6.17", "601.7.1", "601.7.8",
"602.1.50", "602.2.14", "602.3.12", "602.4.8", "603.1.30", "603.2.4",
"603.3.8", "604.1.28"
]
proc appleWebKit(): string =
"AppleWebKit/" & sample(safariV) & " (KHTML, like Gecko) "
proc safari(): string =
const edge = ["", "", " Edge/16.16299"]
" Safari/" & sample(safariV) & sample(edge)
proc chrome(): string =
const v = [
"41.0.2224.3", "41.0.2225.0", "41.0.2226.0", "41.0.2227.0", "41.0.2227.1",
"41.0.2228.0", "49.0.2623.112", "57.0.2987.133", "58.0.3029.110",
"59.0.3071.115", "61.0.3163.100", "63.0.3239.132", "63.0.3239.84",
"64.0.3282.186", "65.0.3325.181", "67.0.3396.99", "68.0.3440.106",
"69.0.3497.100", "70.0.3538.102", "70.0.3538.110", "70.0.3538.77",
"72.0.3626.121", "74.0.3729.131"]
"Chrome/" & sample(v)
proc firefox(): string =
const v = [
"38.0", "40.1", "43.0", "50.0", "52.0", "53.0", "60.0", "60.0.2", "60.0.1",
"61.0", "61.0.1", "66.0", "67.0"]
"Gecko/20100101 Firefox/" & sample(v)
proc presto(): string = proc presto(): string =
const p = ["2.12.388", "2.12.407", "22.9.168"] const p = ["2.12.388", "2.12.407", "22.9.168", "2.9.201", "2.8.131", "2.7.62",
const v = ["12.00", "12.14", "12.16"] "2.6.30", "2.5.24"]
const v = ["10.0", "11.0", "11.1", "11.5", "11.6", "12.00", "12.14", "12.16"]
&"Presto/{sample(p)} Version/{sample(v)}" &"Presto/{sample(p)} Version/{sample(v)}"
proc opr(): string =
const v = [
"43.0.2442.991", "36.0.2130.32", "56.0.3051.52", "47.0.2631.39",
"42.0.2393.94", "49.0.2711.0", "34.0.2036.25", "52.0.2871.99",
"33.0.1990.115", "53.0.2907.99"
]
" OPR/" & sample(v)
# Samples # Samples
proc product(): string = proc product(): string =
const opera = ["Opera/9.80", "Opera/12.0"] const opera = ["Opera/9.80", "Opera/12.0"]
if rand(10) < 8: "Mozilla/5.0" if rand(20) < 1: "Mozilla/5.0"
else: sample(opera) else: sample(opera)
proc os(): string = proc os(): string =
let r = rand(10)
let os = let os =
case rand(2) if r < 6: windows()
of 0: linux() elif r < 9: linux()
of 1: windows()
else: mac() else: mac()
&"({os}{rv()})" &"({os}{rv()})"
proc browser(os: string; prod: string): string = proc browser(prod: string): string =
if "Opera" in prod: if "Opera" in prod: presto()
if rand(1) == 0: return presto() else: "like Gecko"
else: return appleWebKit() & chrome() & safari() & opr()
if "X11" in os and "rv" notin os:
return appleWebKit() & chrome() & safari()
let r = rand(100)
if r < 5: "like Gecko"
elif r < 50: appleWebKit() & chrome() & safari()
else: firefox()
# Agent # Agent
proc getAgent*(): string = proc getAgent*(): string =
let prod = product() let prod = product()
let os = os() &"{prod} {os()} {browser(prod)}"
result = &"{prod} {os} {browser(os, prod)}"