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// ==Taberareloo==
// {
//   "name"        : "Fix Twitter.update 2016.08"
// , "description" : "Fix Twitter.update 2016.08"
// , "include"     : ["background"]
// , "version"     : "0.2.0"
// , "downloadURL" : "https://gist.githubusercontent.com/ailispaw/9406c2ffacf68c6ad238/raw/patch.fix.twitter.update.tbrl.js"
// }
// ==/Taberareloo==

(function() {
  addAround(Models['Twitter'], 'update', function (proceed, args, target, methodName) {
    var self = target;

    var status    = args[0];
    var media_ids = args[1];

    return self.getToken().then(function (token) {
      var sendContent = {
        authenticity_token : token.authenticity_token,
        is_permalink_page  : false,
        place_id           : '',
        status             : status,
        tagged_users       : ''
      };

      if (media_ids) {
        sendContent.media_ids = media_ids;
      }

      self.addBeforeSendHeader();

      // FIXME: 403が発生することがあったため redirectionLimit:0 を外す
      return request(self.URL + '/i/tweet/create', {
        sendContent : sendContent,
        responseType: 'json',
        headers : {
          "x-requested-with" : "XMLHttpRequest"
        }
      }).then(function (res) {
        self.removeBeforeSendHeader();
      }).catch(function (res) {
        self.removeBeforeSendHeader();
        var json = res.response || res;
        throw new Error(json.message);
      });
    });
  })

  update(Models['Twitter'], {
    UPLOAD_URL : 'https://upload.twitter.com/i/media/upload.json',

    addBeforeSendHeader : function() {
      chrome.webRequest.onBeforeSendHeaders.addListener(
        this.setOriginHeader,
        {
          urls: [
            this.LINK + '*',
            this.UPLOAD_URL + '*'
          ]
        },
        [ "blocking", "requestHeaders" ]
      );
    },

    removeBeforeSendHeader : function() {
      chrome.webRequest.onBeforeSendHeaders.removeListener(
        this.setOriginHeader,
        {
          urls: [
            this.LINK + '*',
            this.UPLOAD_URL + '*'
          ]
        },
        [ "blocking", "requestHeaders" ]
      );
    },

    setHTTPHeader : function(headers, name, value) {
      var found = false;
      for (var i = 0; i < headers.length; ++i) {
        if (headers[i].name === name) {
          headers[i].value = value;
          found = true;
          break;
        }
      }
      if (!found) {
        headers.push({
          name  : name,
          value : value
        });
      }
      return headers;
    },

    setOriginHeader : function(details) {
      var headers = details.requestHeaders;
      headers = Models['Twitter'].setHTTPHeader(headers, 'Referer', 'https://twitter.com/');
      headers = Models['Twitter'].setHTTPHeader(headers, 'Origin',  'https://twitter.com');
      return {requestHeaders: headers};
     }
  });
})();