让Github迅速起飞的脚本

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原理

修改本地host文件来加速访问github.

如何获取在中国的github代理ip地址?
我找到了这个网站: http://ping.chinaz.com/github...

具体思路就是和上面网站一样,循环请求接口获取各地机房的延迟,然后比较出最低延迟的机房,拿到ip, 再去修改本地Host文件, go.

获取请求接口

到这个网站 http://ping.chinaz.com/github... 很快就能找到相似点。得出接口如下:

get http://ping.chinaz.com/iframe.ashx

其中,最关键的是guid, 其余参数照抄即可。

关于guid, 右键源代码,发现guid全在id为speedlist的元素下。
通过以下代码获取所有机房的guid

var a = Array.from($0.children).map(v => v.getAttribute(\'id\'))
copy(a)

最终的数据

[
"4daa81e2-f397-4cde-bf74-b2bee84a4ea5",
  "95b30a9e-f797-46ae-b9ef-268692caddf6",
  "eeb78862-50d4-4823-94f2-6de143374a27",
  "403d18aa-9a0f-4d3c-b175-f4a10683deb9",
  "32574c06-d0fc-4709-8fc9-fce30596efd3",
  "c665eba1-e4a0-4da3-a438-404768bb5fd6",
  "b81dffbf-3644-43a3-bf29-099816488ba2",
  "252167a8-eaeb-491b-a4f3-319d25680f48",
  "db8eb6ed-734e-4747-a526-d6c8b408acb5",
  "aaeb0b79-c13c-48b8-abc8-ae8ce1ec7f65",
  "4a40427f-502e-4a85-8752-980f2d8bbae1",
  "0003d32b-8585-4480-b0ea-dd0a10768dd2",
  "0209986e-259b-4817-9d17-2418bb5b0756",
  "e6a3a9b7-2088-41be-bf1d-6a25276ab1ed",
  "6a3749de-aa34-4b7f-96c8-f28b9a32238b",
  "8fbd45ea-7fe2-43f5-84aa-cd3921475732",
  "efa326df-41dd-4c7f-af5e-bd7572658d82",
  "1f430ff0-eae9-413a-af2a-1c2a8986cff0",
  "ca6e017e-17b8-45eb-94b3-a408b8b79f1c",
  "4d7637d7-4950-4b79-9741-c397789bcf05",
  "0f885910-80d6-4f77-8f4f-3d90d8779d17",
  "fcb3c928-222c-45dc-b2cd-85508e385b65",
  "74cb6a5c-b044-49d0-abee-bf42beb6ae05",
  "604e79e8-f0ad-40a3-ad30-fc2c55b78943",
  "5802da93-4e05-4932-9bc6-20d5d75b7af5",
  "61ceba20-2cb1-4482-9e48-acbe876bd3ba",
  "7f46f5c9-d719-4886-b3c0-6b6427908791",
  "415ce02c-b3e9-4cad-adbd-baab32d63edc",
  "0e519c9d-dab8-480c-a372-c72480dd133a",
  "df8bdd7a-b928-41f8-959f-d0d56fadea64",
  "17d812b5-ced1-4717-8669-51ce10615682",
  "5d20130d-75e0-481e-a651-c3da8656a3b3",
  "766a3283-4add-438d-a5bb-e8b6cef139c3",
  "2140cc66-e5ea-4f56-981a-8f044a98c92a",
  "8d8e4cbb-10de-4573-bb56-1dd7e36feaf3",
  "36317cda-2716-49e0-9cd0-4baaa0cacaf3",
  "56d53df5-2784-4b70-b268-6594a216109b",
  "14ef4fcf-3712-4971-9c24-0d1657751022",
  "ec83c2ca-95ec-40ba-aabe-a9b6f3da8fff",
  "24ad8183-b682-4c00-8d58-b73b47d558ca",
  "0d3fd0b2-1255-4e5d-b94e-717569d2e8bd",
  "96bcf0f8-dccc-4a66-9ce1-a5107b8779a8",
  "74c25181-4087-459a-8035-67278afaa2f1",
  "df61b0a8-f88e-4959-9e4e-c33101f4de2e",
  "b615642c-ac86-4322-9fbe-4bd79e175a99",
  "9cd12aba-b71d-4cfd-92a4-4447745ee9e1",
  "f3edbd07-fc92-4333-8626-4f6f4ce49b0b",
  "0fb19ea5-4a8e-49ec-b248-59dabf586245",
  "9bc90d67-d208-434d-b680-294ae4288571",
  "0caa7b64-4a66-4de2-b4d9-0f7d537cd8ae",
  "942de632-7962-41e5-961b-c7ad98b31c5a",
  "fb715e9d-f578-41bd-b95f-75cc3fe69cf2",
  "5713f157-3378-495a-9c55-7172187e9f36",
  "316c5129-231d-4494-a81f-e49d14de9a81",
  "3a8de27a-c93e-4f97-9b67-f2b5b2028eb8",
  "3bafbbb2-dc57-4de7-8ef6-20402b881dbe",
  "5074fb13-4ab9-4f0a-87d9-f8ae51cb81c5",
  "47b7ab69-0008-4dae-8d99-54f7038f1510",
  "9280a6f4-f3c6-4173-a77d-c2bdaac3e709",
  "07f2f1cc-8414-4557-a8c1-27750a732f16",
  "012834d4-5a15-4a90-9520-8515e558873f",
  "6c84b028-554b-49f4-87bd-4f15f3eed735",
  "eb7215a6-7f0e-4bf7-89fe-ec0e7ee9f32c",
  "19ef9d71-e0cb-4b79-a416-8fd670f6e7ca",
  "945fcfae-276a-4e42-9133-4d47d2999b08",
  "ea551b59-2609-4ab4-89bc-14b2080f501a",
  "a936bb02-6b19-4da5-9c82-e8bb68fcfbea",
  "703e401a-1e50-4bda-9c82-b1ca883e3bbf",
  "2805fa9f-05ea-46bc-8ac0-1769b782bf52",
  "b698f5c4-0c88-4ae4-b123-ef57293ce442",
  "9c137190-5a57-4ef5-be4b-b9add998ad52",
  "0bf6e659-226e-40b1-b605-962929e9fba8",
  "4d462057-4581-4ae1-974d-ca7ca019e700",
  "e91e73db-703d-464d-a82a-1e8286a19cb1",
  "a1fa84e1-aeb5-4909-aac8-d6f0d7e45456",
  "f8205979-1951-4f20-a66e-2f2ca97cf75b",
  "11bd620a-7456-4835-9129-038eaa9fa8b9",
  "dc440a55-1148-480f-90a7-9d1e0269b682",
  "3ce7a84d-191b-49a2-81a6-e32bbe2c06a0",
  "8c0b720b-e1a1-4422-a948-e8d7ec7e4906",
  "9365c01e-163f-4f07-b569-a9302b685c30",
  "8ebdf782-2203-4bc2-9774-68fe0d3691c8",
  "5bea1430-f7c2-4146-88f4-17a7dc73a953",
  "6e5e03b3-d8d6-48bc-a87a-033f7c877b33",
  "12b16bb6-d42d-4296-a394-b96b22bca9c3",
  "6305bac1-7adb-48cf-aff2-d3ac2dd65dde",
  "8fef9cd0-af0b-4beb-b0b0-37388c74a2ae",
  "d434f9dd-c862-47e0-89cf-3633aa061509",
  "38ecaef6-76e4-4030-bd7f-af9e6240f4b6",
  "483bad95-d9a8-4026-87f4-7a56501bf5fd",
  "87c200e0-0059-479f-8103-e9e504f735d0",
  "bd3b89bd-aeec-4079-8c08-a86770abb830",
  "cb22befe-58f9-45f6-a246-4ad66bcfa448",
  "08117724-8437-4ebb-88ae-93e50f660867",
  "cb9069aa-c897-4f27-bc36-988da8f4cb03",
  "9d5f55d6-ad1a-4efb-b368-c7de4b7005c5",
  "6c5f2077-b898-4918-86b0-9ab82273eea6",
  "040d7a4f-3c04-462f-9e96-2bf629af4a08",
  "cdcf3a45-8366-4ab4-ae80-75eb6c1c9fca",
  "91937e5b-1db0-47b5-b114-c9294694f377",
  "c1b98ee7-8584-4e98-8e6d-049a633b6bdf",
  "eac78784-07a1-4869-be7c-3870a8dcebfc",
  "7b578630-b705-42dc-936f-8d4703b955ac",
  "e33f289c-f401-449b-a135-e654e597b150",
  "737831b4-95e1-445f-a981-c1333faf88bd",
  "39bed414-9402-4266-aa9a-8252e958558f",
  "54a02700-5812-4ec8-8d24-c4276c7eb080",
  "5c02bccc-ae5c-45ef-9204-b3055f985e20",
  "95d0626d-dc85-48c0-b3a9-e656811d3028",
  "2b0dc147-1f6c-405c-b91f-faff417cf1da",
  "b2bbe313-d66d-47a3-ace2-d1229da5c28c",
  "774af056-e15d-4689-83f7-e5067a0c5512",
  "80a828bd-19ed-48c3-a035-e69f6468da03",
  "5fb9012d-b47c-4087-84a2-0b0dfa8c94ab",
  "e11f1b36-2995-413c-90bb-9f3afff8caed",
  "38806ef7-4638-4808-96e4-85047dfa5853",
  "53e79941-312c-4343-8739-6be3cd105805",
  "02a01d5d-5111-481f-aade-e999a584d8a4",
  "352ba952-a177-4a65-b35c-184f080181cf",
  "29d2a14f-accc-43b8-9444-fd6b9e7902bc",
  "e7ddd974-711f-4fea-90cd-3a89600a72b8",
  "458d74e3-6349-4d58-918b-3d8b4bdf7a6c",
  "e4f8c1ef-2160-47f7-850f-6446ca0680b4",
  "c7d37949-9b15-48a7-a9f3-19f04fe20752",
  "5cddb7c6-3a78-4ae8-9472-28d31c61b803",
  "d8d0e98b-e201-4cd4-a392-48a3142e4bfc",
  "a0be885d-24ad-487d-bbb0-c94cd02a137d",
  "04cd8a98-2f21-4fe2-805f-bd663ca2cc5e",
  "dc440a55-1148-480f-90a7-9d1e0269b682",
  "1f4c5976-8cf3-47e7-be10-aa9270461477",
  "d9041619-7d90-42ea-9811-2b2fe11cb2b0",
  "6323e95e-408a-4598-b6d2-cc44aa64c6f0",
  "1e375923-e5ee-491e-ba21-621a95ef9de9",
  "54f7f313-1a14-4075-b52a-8513811541a6"
]

代码

const axios = require(\'axios\');
const QueryString = require(\'qs\');
const server = require(\'./server\');
const hosts = require(\'hosts-group\');
const dns = require(\'dns\')

console.log(\'正在查询机房信息...\')

Promise.all(server.map(s => {
  return axios({
    url: \'http://ping.chinaz.com/iframe.ashx\',
    params: {
      t: \'ping\'
    },
    headers: { \'content-type\': \'application/x-www-form-urlencoded\' },
    data: QueryString.stringify({
      guid: s,
      host: \'github.com\',
      ishost: \'0\',
      isipv6: \'0\',
      encode: \'vLtCvLxV07f5qlRYHoLFBPaKNX8OZFnP\',
      checktype: \'0\'
    })
  })
})).then(res => {
  const finalTime = res.map(v => v.data).reduce((acc, val) => {
    const data = eval(val)
    if (!data.state) return acc
    const time = data.result.responsetime
    const stime = Number(time.substring(0, time.length - 2))
    if (isNaN(stime)) return acc
    if (acc && acc.result && acc.result.responsetime) {
      const accdata = eval(acc)
      const acctime = accdata.result.responsetime
      const accstime = Number(acctime.substring(0, acctime.length - 2))
      if (stime >= accstime) {
        return accdata
      }
    } else {
      return data
    }
  })

  if (finalTime) {
    console.log(\'查询机房成功, 延迟最低的机房为: \', finalTime);
  } else {
    console.error(\'查询机房信息失败,可能是网络波动引起的,建议重试...\')
    process.stdout.write("任意字符结束进程")
    process.stdin.on(\'data\', () => {
      process.exit(0);
    })
    return
  }
  console.log(\'正在设置DNS...\')
  dns.lookup(\'github.com\', (err, result) => {
    hosts.remove(\'github.com\', result)
    hosts.set(\'github.com\', finalTime.result.ip)
    console.log(\'成功! 打开github.com进行检验\')
    process.stdout.write("任意字符结束进程") 
    process.stdin.on(\'data\', () => {
      process.exit(0);
    })
  })
}).catch(e => {
  console.error(\'查询失败, 信息为: \', e)
})

用到了以下库:

  • axios
  • hosts-group
  • qs

使用

在管理员的命令行中,运行此js文件

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