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问题:
I have tried just about everything, read every StackOverflow post on this issue but I still can't get it to work. Interestingly enough, I am able to get 200 OK response when sending a POST request via DHC REST API Client (Google Chrome app).
var url = 'https://accounts.google.com/o/oauth2/token'; var params = querystring.stringify({ grant_type: 'authorization_code', code: req.body.code, client_id: req.body.clientId, client_secret: 'HIDDEN', redirect_uri: req.body.redirectUri }); params = querystring.unescape(params); // doesn't work with or without string escaping request.post(url + '?' + params, function(error, response, body) { console.log(body); });
回答1:
As @BenFortune has already mentioned, I was sending GET parameters as a POST request. It's amazing such a trivial thing has gone unnoticed after trying to figure it out for over an hour.
Now, I blame inconsistencies across OAuth providers for this. In the same application I am doing a GET request to Facebook to obtain access_token: https://graph.facebook.com/oauth/access_token. But Google expects a POST request to obtain access_token: https://accounts.google.com/o/oauth2/token
Correct version:
var url = 'https://accounts.google.com/o/oauth2/token'; var payload = { grant_type: 'authorization_code', code: req.body.code, client_id: req.body.clientId, client_secret: 'HIDDEN', redirect_uri: req.body.redirectUri }; request.post(url, { form: payload }, function(error, response, body) { console.log(body); });
回答2:
Check the request Encoding.
in my case i was sending .json and was .url
Using Alamofire 3.0
