├── .gitignore
├── README.md
├── index.js
└── package.json


/.gitignore:
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 1 | # Logs
 2 | logs
 3 | *.log
 4 | npm-debug.log*
 5 | yarn-debug.log*
 6 | yarn-error.log*
 7 | lerna-debug.log*
 8 | 
 9 | # Diagnostic reports (https://nodejs.org/api/report.html)
10 | report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
11 | 
12 | # Runtime data
13 | pids
14 | *.pid
15 | *.seed
16 | *.pid.lock
17 | 
18 | # Directory for instrumented libs generated by jscoverage/JSCover
19 | lib-cov
20 | 
21 | # Coverage directory used by tools like istanbul
22 | coverage
23 | *.lcov
24 | 
25 | # nyc test coverage
26 | .nyc_output
27 | 
28 | # Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
29 | .grunt
30 | 
31 | # Bower dependency directory (https://bower.io/)
32 | bower_components
33 | 
34 | # node-waf configuration
35 | .lock-wscript
36 | 
37 | # Compiled binary addons (https://nodejs.org/api/addons.html)
38 | build/Release
39 | 
40 | # Dependency directories
41 | node_modules/
42 | jspm_packages/
43 | 
44 | # TypeScript v1 declaration files
45 | typings/
46 | 
47 | # TypeScript cache
48 | *.tsbuildinfo
49 | 
50 | # Optional npm cache directory
51 | .npm
52 | 
53 | # Optional eslint cache
54 | .eslintcache
55 | 
56 | # Optional REPL history
57 | .node_repl_history
58 | 
59 | # Output of 'npm pack'
60 | *.tgz
61 | 
62 | # Yarn Integrity file
63 | .yarn-integrity
64 | 
65 | # dotenv environment variables file
66 | .env
67 | .env.test
68 | 
69 | # parcel-bundler cache (https://parceljs.org/)
70 | .cache
71 | 
72 | # next.js build output
73 | .next
74 | 
75 | # nuxt.js build output
76 | .nuxt
77 | 
78 | # vuepress build output
79 | .vuepress/dist
80 | 
81 | # Serverless directories
82 | .serverless/
83 | 
84 | # FuseBox cache
85 | .fusebox/
86 | 
87 | # DynamoDB Local files
88 | .dynamodb/
89 | 
90 | # Vercel deploy
91 | .vercel/
92 | vercel.json
93 | 
94 | yarn.lock


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/README.md:
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 1 | # Twitch-API <img src="https://img.shields.io/static/v1?label=code&message=Node.js&color=green" alt="">
 2 | 
 3 | ## 기능
 4 | - [HLS](#hls)
 5 | 
 6 | ### HLS
 7 | ### Requests
 8 | ```http
 9 | GET /hls/<Channel_ID>
10 | ```
11 | | Parameter | Type | Description |
12 | | :--- | :--- | :--- |
13 | | `Channel_ID` | `string` | 트위치 채널 ID |
14 | 
15 | ### Responses
16 | JSON list 타입으로 화질에 따라 인덱스 처음에서 끝으로 정렬됩니다.<br>
17 | ex) [0] = 1080p60, [1] = 720p60 ....
18 | ```javascript
19 | [
20 |   "http://video-weaver.....m3u8",
21 |   "http://video-weaver.....m3u8",
22 |   "http://video-weaver.....m3u8"
23 | ]
24 | ```
25 | 
26 | ### Status Codes
27 | | Status Code | Description |
28 | | :--- | :--- |
29 | | 200 | m3u8 데이터 존재 |
30 | | 404 | m3u8 데이터 없음 |
31 | | 500 | 트위치 API와 통신 오류 |
32 | 
33 | ### 문의
34 | [이메일](mailto:kwabang2827@gmail.com) 또는 [디스코드](https://kwabang.net/join)로 문의를 넣을 수 있습니다.
35 | 
36 | ### 책임
37 | 프로그램을 이용하여 생기는 문제의 책임은 **사용자**에게 있습니다.
38 | 


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/index.js:
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  1 | const got = require('got')
  2 | const express = require('express')
  3 | 
  4 | const app = express()
  5 | 
  6 | app.disable('etag')
  7 | 
  8 | app.get('/', (request, response) => {
  9 |   response.status(200).json({
 10 |     'message': "Welcome to Twitch API"
 11 |   })
 12 | })
 13 | 
 14 | app.get('/hls', (request, response) => {
 15 |   response.status(404).json({
 16 |     'message': 'unknown channel name'
 17 |   })
 18 | })
 19 | 
 20 | app.get('/hls/:id', async (request, response) => {
 21 |   try {
 22 |     let id = request.params.id
 23 |     let token = await got(`https://gql.twitch.tv/gql`, {
 24 |       method: 'POST',
 25 |       responseType: 'json',
 26 |       retry: {
 27 |         limit: 4
 28 |       },
 29 |       throwHttpErrors: false,
 30 |       headers: {
 31 |         'Client-ID': 'kimne78kx3ncx6brgo4mv6wki5h1ko',
 32 |         'Content-Type': 'application/json',
 33 |         'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36',
 34 |         'X-Device-Id': 'twitch-web-wall-mason',
 35 |         'Device-ID': 'twitch-web-wall-mason'
 36 |       },
 37 |       body: JSON.stringify({
 38 |         "operationName": "PlaybackAccessToken",
 39 |         "extensions": {
 40 |           "persistedQuery": {
 41 |             "version": 1,
 42 |             "sha256Hash": "0828119ded1c13477966434e15800ff57ddacf13ba1911c129dc2200705b0712"
 43 |           }
 44 |         },
 45 |         "variables": {
 46 |           "isLive": true,
 47 |           "login": id,
 48 |           "isVod": false,
 49 |           "vodID": "",
 50 |           "playerType": "embed"
 51 |         }
 52 |       })
 53 |     })
 54 | 
 55 |     switch (token.statusCode) {
 56 |       default: //Error with connect with Twitch API
 57 |         response.status(500).json({
 58 |           'message': 'Error with Twitch API'
 59 |         })
 60 |         break
 61 |       case 200: //Channel founded
 62 |         if (token.body.data.streamPlaybackAccessToken === null) { //Channel not found
 63 |           response.status(404).json({
 64 |             'message': 'Channel not found'
 65 |           })
 66 |         } else {
 67 |           function base64Encode(data) {
 68 |             return Buffer.from(data).toString('base64')
 69 |           }
 70 | 
 71 |           function cleanupAllAdStuff(data) {
 72 |             return data
 73 |               .replace(/X-TV-TWITCH-AD-URL="[^"]+"/g, 'X-TV-TWITCH-AD-URL="javascript:alert(\'pogo\')"')
 74 |               .replace(
 75 |                 /X-TV-TWITCH-AD-CLICK-TRACKING-URL="[^"]+"/g,
 76 |                 'X-TV-TWITCH-AD-CLICK-TRACKING-URL="javascript:alert(\'pogo\')"'
 77 |               )
 78 |               .replace(/X-TV-TWITCH-AD-ADVERIFICATIONS="[^"]+"/g, `X-TV-TWITCH-AD-ADVERIFICATIONS="${base64Encode('{}')}"`)
 79 |               .replace(/#EXT-X-DATERANGE.+CLASS=".*ad.*".+\n/g, '')
 80 |               .replace(/\n#EXTINF.+(?<!live)\nhttps:.+/g, '');
 81 |           }
 82 | 
 83 |           let url = `http://usher.twitch.tv/api/channel/hls/${id}.m3u8?player=twitchweb&&token=${token.body.data.streamPlaybackAccessToken.value}&sig=${token.body.data.streamPlaybackAccessToken.signature}&allow_audio_only=true&allow_source=true&type=any&p=${parseInt(Math.random() * 999999)}`
 84 |           let hls = await got(url, {
 85 |             method: 'GET',
 86 |             responseType: 'text',
 87 |             retry: {
 88 |               limit: 4
 89 |             },
 90 |             throwHttpErrors: false,
 91 |             headers: {
 92 |               'X-Device-Id': 'twitch-web-wall-mason',
 93 |               'Device-ID': 'twitch-web-wall-mason'
 94 |             }
 95 |           })
 96 |           switch (hls.statusCode) {
 97 |             default: //m3u8 data doesn't exsit
 98 |               response.status(404).json({
 99 |                 'message': 'm3u8 data not found'
100 |               })
101 |               break
102 |             case 200: //m3u8 data exist
103 |               hls = cleanupAllAdStuff(hls.body)
104 |               hls = hls.replace(/.*#.*\n?/gm, '')
105 |               response.status(200).json(hls.split('\n'))
106 |               break
107 |           }
108 |         }
109 |     }
110 |   } catch (error) {
111 |     response.status(500).json({
112 |       message: 'processing error',
113 |       error: error
114 |     })
115 |   }
116 | })
117 | 
118 | app.get('/proxy/*', async (request, response) => {
119 |   try {
120 |     const url = request.params['0'] + '?' + Object.entries(request.query).map(element => element.join('=')).join('&')
121 |     const domain = (new URL(url)).hostname
122 |     if (domain === 'usher.ttvnw.net') {
123 |       const headers = {
124 |         'host': domain,
125 |         'user-agent': request.headers['user-agent']
126 |       }
127 |       let hls = await got(url, {
128 |         method: 'GET',
129 |         responseType: 'text',
130 |         retry: {
131 |           limit: 4
132 |         },
133 |         throwHttpErrors: false,
134 |         headers: headers
135 |       })
136 |       response.status(hls.statusCode).send(hls.body)
137 |     } else {
138 |       response.status(403).json({
139 |         message: 'URL not allowed'
140 |       })
141 |     }
142 |   } catch (error) {
143 |     response.status(500).json({
144 |       message: 'processing error',
145 |       error: error
146 |     })
147 |   }
148 | })
149 | 
150 | app.listen(8080, () => {
151 |   console.log("API started")
152 | })


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/package.json:
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 1 | {
 2 |   "name": "twitch-api",
 3 |   "version": "1.0.0",
 4 |   "description": "Twitch-API",
 5 |   "main": "index.js",
 6 |   "dependencies": {
 7 |     "express": "^4.17.1",
 8 |     "got": "11.8.6"
 9 |   },
10 |   "devDependencies": {},
11 |   "scripts": {
12 |     "test": "node index.js"
13 |   },
14 |   "repository": {
15 |     "type": "git",
16 |     "url": "git+https://github.com/Kwabang/Twitch-API.git"
17 |   },
18 |   "author": "Kwabang",
19 |   "license": "ISC",
20 |   "bugs": {
21 |     "url": "https://github.com/Kwabang/Twitch-API/issues"
22 |   },
23 |   "homepage": "https://github.com/Kwabang/Twitch-API#readme"
24 | }
25 | 


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