Created
January 4, 2015 15:06
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| #!/usr/bin/nodejs | |
| var http = require('http'); | |
| var latestCaptchaJson = JSON.stringify({ | |
| 'q':'Is ice hot or cold?', | |
| 'a':['75e52a0ecfafeda17a34fc60111c1f0b'] }); | |
| var apiUrl = 'http://api.textcaptcha.com/mirror.json'; | |
| var refreshCaptchaEveryXSeconds = 5; | |
| var app = http.createServer(function(req,res){ | |
| res.setHeader('Content-Type','application/json'); | |
| res.end(latestCaptchaJson); | |
| }); | |
| app.listen(3000); | |
| continuallyRefreshCaptcha(); | |
| function continuallyRefreshCaptcha(){ | |
| requestNewCaptcha(function(err,captcha){ | |
| setTimeout(continuallyRefreshCaptcha, | |
| refreshCaptchaEveryXSeconds*1000); | |
| if(err) return console.log(err); | |
| latestCaptchaJson = captcha; | |
| console.log(latestCaptchaJson); | |
| }); | |
| } | |
| function requestNewCaptcha(next){ | |
| http.get(apiUrl,function(res){ | |
| var body = ''; | |
| if(res.statusCode!=200){ | |
| return next(new Error('status code '+res.statusCode),null); | |
| } | |
| res.on('data',function(chunk){ body+=chunk; }); | |
| res.on('end',function(){ | |
| next(null,body); | |
| }); | |
| }).on('error',next); | |
| } |
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