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- request = require 'request'
- logger = require 'logger-sharelatex'
- Settings = require 'settings-sharelatex'
- module.exports = CaptchaMiddleware =
- validateCaptcha: (req, res, next) ->
- if !Settings.recaptcha?
- return next()
- response = req.body['g-recaptcha-response']
- options =
- form:
- secret: Settings.recaptcha.secretKey
- response: response
- json: true
- request.post "https://www.google.com/recaptcha/api/siteverify", options, (error, response, body) ->
- return next(error) if error?
- if !body?.success
- logger.warn {statusCode: response.statusCode, body: body}, 'failed recaptcha siteverify request'
- return res.status(400).send({errorReason:"cannot_verify_user_not_robot", message:
- {text:"Sorry, we could not verify that you are not a robot. Please check that Google reCAPTCHA is not being blocked by an ad blocker or firewall."}
- })
- else
- return next()
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