Fix Tumblr.iframe 2017.01

patch.fix.tumblr.iframe.tbrl.js

// ==Taberareloo==
// {
//   "name"        : "Fix Tumblr.iframe 2017.01"
// , "description" : "Fix Tumblr.iframe 2017.01"
// , "include"     : ["content"]
// , "match"       : ["*://*/*"]
// , "version"     : "0.2.2"
// , "downloadURL" : "https://gist.githubusercontent.com/ailispaw/a1934684cdee9a10506a/raw/patch.fix.tumblr.iframe.tbrl.js"
// }
// ==/Taberareloo==

(function() {
  addAround(Extractors['ReBlog'], 'getFrameUrl', function (proceed, args, target, methodName) {
    var doc = args[0];

    var url = proceed(args);
    if (!url) {
      var tumblr_controls = doc.querySelector('iframe[name="desktop-loggedin-controls"]') ||
        doc.querySelector('iframe[name="desktop-logged-in-controls"]') ||
        doc.querySelector('iframe[name="unified-controls"]');
      if (tumblr_controls && (queryHash(unescapeHTML(tumblr_controls.src)).postId || queryHash(unescapeHTML(tumblr_controls.src)).pid)) {
        return tumblr_controls.src;
      }
    }
    return url;
  });

  addAround(Extractors['ReBlog'], 'extractByPage', function (proceed, args, target, methodName) {
    var that = target;

    var ctx = args[0];
    var doc = args[1];

    if (!(ctx.reblog_id && ctx.reblog_key)) {
      var params = queryHash(unescapeHTML(that.getFrameUrl(doc)));

      if (params.postId) { // new type
        var anchor = $N('a', {href: doc.URL});
        return request(anchor.origin + '/api/read', {
          queryString: {
            id: params.postId
          }
        }).then(function (res) {
          var xml = res.responseXML;
          var post = xml.querySelector('post');
          ctx.reblog_id = post.getAttribute('id');
          ctx.reblog_key = post.getAttribute('reblog-key');
          return that.extractByPage(ctx, doc);
        });
      }

      if (params.pid && params.rk) { // old type
        ctx.reblog_id = params.pid;
        ctx.reblog_key = params.rk;
      } else if (params.pid) { // new type
        var anchor = $N('a', {href: doc.URL});
        return request(anchor.origin + '/api/read', {
          queryString: {
            id: params.pid
          }
        }).then(function (res) {
          var xml = res.responseXML;
          var post = xml.querySelector('post');
          ctx.reblog_id = post.getAttribute('id');
          ctx.reblog_key = post.getAttribute('reblog-key');
          return that.extractByPage(ctx, doc);
        });
      } else if (/^http:\/\/[^.]+\.tumblr\.com\/post\/\d+/.test(doc.URL)) {
        var anchor = $N('a', {href: doc.URL});
        return request(anchor.origin + '/api/read', {
          queryString: {
            id: anchor.pathname.replace('/post/', '')
          }
        }).then(function (res) {
          var xml = res.responseXML;
          var post = xml.querySelector('post');
          ctx.reblog_id = post.getAttribute('id');
          ctx.reblog_key = post.getAttribute('reblog-key');
          return that.extractByPage(ctx, doc);
        });
      } else {
        throw new Error("Invalid iFrame URL");
      }
    }
    if (!ctx.post_type) {
      ctx.post_type = false;
    }
    return that.getFormKeyAndChannelId().then(function () {
      return that.extractByEndpoint(ctx, that.TUMBLR_URL + 'reblog/' + ctx.reblog_id + '/' + ctx.reblog_key);
    });
  });
})();