From 43b0bdc08a64554f9a3cf3f922e65a4e7d09bbdf Mon Sep 17 00:00:00 2001
From: Zed <zedeus@pm.me>
Date: Mon, 17 Jan 2022 04:13:27 +0100
Subject: [PATCH] Remove user agents

---
 src/agents.nim       | 70 --------------------------------------------
 src/routes/media.nim | 16 +++++-----
 src/tokens.nim       |  3 +-
 3 files changed, 8 insertions(+), 81 deletions(-)
 delete mode 100644 src/agents.nim

diff --git a/src/agents.nim b/src/agents.nim
deleted file mode 100644
index a907e7b..0000000
--- a/src/agents.nim
+++ /dev/null
@@ -1,70 +0,0 @@
-# SPDX-License-Identifier: AGPL-3.0-only
-import random, strformat, strutils, sequtils
-
-randomize()
-
-const rvs = [
-  "11.0", "40.0", "42.0", "43.0", "47.0", "50.0", "52.0", "53.0", "54.0",
-  "61.0", "66.0", "67.0", "69.0", "70.0"
-]
-
-proc rv(): string =
-  if rand(10) < 1: ""
-  else: "; rv:" & sample(rvs)
-
-# OS
-
-const enc = ["; U", "; N", "; I", ""]
-
-proc linux(): string =
-  const
-    window = ["X11", "Wayland", "Unknown"]
-    arch = ["i686", "x86_64", "arm"]
-    distro = ["", "; Ubuntu/14.10", "; Ubuntu/16.10", "; Ubuntu/19.10",
-              "; Ubuntu", "; Fedora"]
-  sample(window) & sample(enc) & "; Linux " & sample(arch) & sample(distro)
-
-proc windows(): string =
-  const
-    nt = ["5.1", "5.2", "6.0", "6.1", "6.2", "6.3", "6.4", "9.0", "10.0"]
-    arch = ["; WOW64", "; Win64; x64", "; ARM", ""]
-    trident = ["", "; Trident/5.0", "; Trident/6.0", "; Trident/7.0"]
-  "Windows " & sample(nt) & sample(enc) & sample(arch) & sample(trident)
-
-const macs = toSeq(6..15).mapIt($it) & @["14_4", "10_1", "9_3"]
-
-proc mac(): string =
-  "Macintosh; Intel Mac OS X 10_" & sample(macs) & sample(enc)
-
-# Browser
-
-proc presto(): string =
-  const p = ["2.12.388", "2.12.407", "22.9.168", "2.9.201", "2.8.131", "2.7.62",
-             "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)}"
-
-# Samples
-
-proc product(): string =
-  const opera = ["Opera/9.80", "Opera/12.0"]
-  if rand(20) < 1: "Mozilla/5.0"
-  else: sample(opera)
-
-proc os(): string =
-  let r = rand(10)
-  let os =
-    if r < 6: windows()
-    elif r < 9: linux()
-    else: mac()
-  &"({os}{rv()})"
-
-proc browser(prod: string): string =
-  if "Opera" in prod: presto()
-  else: "like Gecko"
-
-# Agent
-
-proc getAgent*(): string =
-  let prod = product()
-  &"{prod} {os()} {browser(prod)}"
diff --git a/src/routes/media.nim b/src/routes/media.nim
index a2a6369..c953a93 100644
--- a/src/routes/media.nim
+++ b/src/routes/media.nim
@@ -5,7 +5,7 @@ import asynchttpserver, asyncstreams, asyncfile, asyncnet
 import jester
 
 import router_utils
-import ".."/[types, formatters, agents, utils]
+import ".."/[types, formatters, utils]
 
 export asynchttpserver, asyncstreams, asyncfile, asyncnet
 export httpclient, os, strutils, asyncstreams, base64, re
@@ -14,10 +14,8 @@ const
   m3u8Mime* = "application/vnd.apple.mpegurl"
   maxAge* = "max-age=604800"
 
-let mediaAgent* = getAgent()
-
-proc safeFetch*(url, agent: string): Future[string] {.async.} =
-  let client = newAsyncHttpClient(userAgent=agent)
+proc safeFetch*(url: string): Future[string] {.async.} =
+  let client = newAsyncHttpClient()
   try: result = await client.getContent(url)
   except: discard
   finally: client.close()
@@ -34,7 +32,7 @@ proc proxyMedia*(req: jester.Request; url: string): Future[HttpCode] {.async.} =
   result = Http200
   let
     request = req.getNativeReq()
-    client = newAsyncHttpClient(userAgent=mediaAgent)
+    client = newAsyncHttpClient()
 
   try:
     let res = await client.get(url)
@@ -116,14 +114,14 @@ proc createMediaRouter*(cfg: Config) =
 
       var content: string
       if ".vmap" in url:
-        let m3u8 = getM3u8Url(await safeFetch(url, mediaAgent))
+        let m3u8 = getM3u8Url(await safeFetch(url))
         if m3u8.len > 0:
-          content = await safeFetch(url, mediaAgent)
+          content = await safeFetch(url)
         else:
           resp Http404
 
       if ".m3u8" in url:
-        let vid = await safeFetch(url, mediaAgent)
+        let vid = await safeFetch(url)
         content = proxifyVideo(vid, cookiePref(proxyVideos))
 
       resp content, m3u8Mime
diff --git a/src/tokens.nim b/src/tokens.nim
index bc7ea55..d864a4c 100644
--- a/src/tokens.nim
+++ b/src/tokens.nim
@@ -2,7 +2,7 @@
 import asyncdispatch, httpclient, times, sequtils, json, random
 import strutils, tables
 import zippy
-import types, agents, consts, http_pool
+import types, consts, http_pool
 
 const
   maxConcurrentReqs = 5  # max requests at a time per token, to avoid race conditions
@@ -65,7 +65,6 @@ proc fetchToken(): Future[Token] {.async.} =
     "accept-encoding": "gzip",
     "accept-language": "en-US,en;q=0.5",
     "connection": "keep-alive",
-    "user-agent": getAgent(),
     "authorization": auth
   })