向Chrome扩展程序内的Tumblr API发出POST请求

问题描述

我正在尝试使用他们的API和chrome_ex_oauth向Tumblr发文.

I'm trying to make a text post to Tumblr using their API and chrome_ex_oauth.

• API: http://www.tumblr.com/docs/en/api/v2#posting
• chrome_ex_oauth: http://code.google.com/chrome/extensions/tut_oauth. html

• API: http://www.tumblr.com/docs/en/api/v2#posting
• chrome_ex_oauth: http://code.google.com/chrome/extensions/tut_oauth.html

获得授权作品的全过程.我无法开始的工作是进行POST.我正在执行以下操作:

The whole process of getting authorized works. What I can't get to work is doing a POST. I'm doing the following:

我已经更新了代码，以反映Rob W关于车身领域的正确建议

var stringify = function (parameters) {
  var params = [];
  for(var p in parameters) {
    params.push(encodeURIComponent(p) + '=' +
                encodeURIComponent(parameters[p]));
  }
  return params.join('&');
};

var onAuthorized = function() {
  var url = 'http://api.tumblr.com/v2/blog/jindie.tumblr.com/post';
  var request = {
    'method': 'POST',
    'headers':{
      'Content-Type':'application/x-www-form-urlencoded'
    },
    'body': stringify({
      'type': 'text',
      'state': 'draft',
      'title': 'Test post...',
      'body': 'Hello, World!'
    })
  };

  oauth.sendSignedRequest(url, function(responseText, xhr){alert(responseText);}, request);
};

oauth.authorize(onAuthorized);

我一直在检查代码，并思考可能出什么问题，但是我真的不知道.你呢?

I've been examining the code, and thinking what could be wrong, but I seriously have no idea. Do you?

你知道我要去哪里了吗?

Do you know where I'm going wrong?

推荐答案

当文档无助于查看源代码时， chrome_ex_oauth.js .

When the documentation doesn't help have a look at the source code, chrome_ex_oauth.js.

您必须使用'body'而不是'parameters':

var request = {
  'method': 'POST',
  'body': {

调试

为了找到原因，我按照以下步骤操作(注释了我的想法):

Debugging

In order to find the cause, I followed these steps (annotated my thoughts):

1. 显然，帖子正文为空.因此，API的实现一定是错误的.

2. Ctrl + F sendSignedRequest:

ChromeExOAuth.prototype.sendSignedRequest = function(url, callback, opt_params) {
  var method = opt_params && opt_params['method'] || 'GET';
  var body = opt_params && opt_params['body'] || null;
  var params = opt_params && opt_params['parameters'] || {};
  var headers = opt_params && opt_params['headers'] || {};

  var signedUrl = this.signURL(url, method, params);

  // Hmm...? Where is `params` being passed...?
  ChromeExOAuth.sendRequest(method, signedUrl, headers, body, function (xhr) {
    if (xhr.readyState == 4) {
      callback(xhr.responseText, xhr);
    }
  });
};

signURL不会修改params，所以这不是问题.

Ctrl + F sendRequest:

signURL doesn't modify params, so that's not a problem.

Ctrl + F sendRequest:

ChromeExOAuth.sendRequest = function(method, url, headers, body, callback) {
  var xhr = new XMLHttpRequest();
  xhr.onreadystatechange = function(data) {
    callback(xhr, data);
  }
  xhr.open(method, url, true);
  if (headers) { . . . }
  xhr.send(body); // <-- !!!
};

知道了！必须使用 body代替parameters.

将body变量回溯到 request['body'] (请参见2).

Got it! body has to be used instead of parameters.

Backtracks the body variable to the request['body'] (see 2).

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