47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
const querystring = require('querystring');
|
|
const https = require('https');
|
|
|
|
exports.validate = function(options) {
|
|
const secret = this.parseRequired(options.secret, 'string', 'recaptcha.validate: secret is required.');
|
|
const msg = this.parseOptional(options.msg, 'string', 'Recaptcha check failed.');
|
|
|
|
const response = this.req.body['g-recaptcha-response'];
|
|
const remoteip = this.req.ip;
|
|
const data = querystring.stringify({ secret, response, remoteip });
|
|
|
|
return new Promise((resolve, reject) => {
|
|
const req = https.request('https://www.google.com/recaptcha/api/siteverify', {
|
|
method: 'POST',
|
|
headers: {
|
|
'Content-Type': 'application/x-www-form-urlencoded',
|
|
'Content-Length': data.length
|
|
}
|
|
}, (res) => {
|
|
let body = '';
|
|
|
|
res.setEncoding('utf8');
|
|
res.on('data', (chunk) => body += chunk);
|
|
res.on('end', () => {
|
|
if (res.statusCode >= 400) return reject(body);
|
|
|
|
if (body.charCodeAt(0) === 0xFEFF) {
|
|
body = body.slice(1);
|
|
}
|
|
|
|
body = JSON.parse(body);
|
|
|
|
if (!body.success) {
|
|
this.res.status(400).json({
|
|
form: { 'g-recaptcha-response': msg }
|
|
});
|
|
}
|
|
|
|
resolve(body);
|
|
});
|
|
});
|
|
|
|
req.on('error', reject);
|
|
req.write(data);
|
|
req.end();
|
|
});
|
|
}; |