Better handling for non-XML responses from Twitter #41

kevinoid opened this Issue Jan 16, 2014 · 4 comments


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In certain failure conditions Twitter returns HTML (with the one-handed robot image) rather than an XML response for getOAuthAccessToken and/or getOAuthRequestToken. In this case passport-twitter will propagate an Error object with a message set to the HTML of the returned page, which is difficult to deal with and doesn't present well to users or in logs.

I would suggest that parseErrorResponse should return null in the case that body isn't well-formed XML and/or doesn't contain the expected elements so that '_createOAuthError' can return an Error with a more useful message. If the body is potentially useful, perhaps it could be added as a separate property of the Error object?

Thanks for considering,


jaredhanson commented Jan 16, 2014

That'd be awesome. If you can provide a sample of this type of response (or a way to reproducible force it to happen), I'll add a test case for it. I've never seen such thing myself.

Sure. It's a very odd and rare indeed. We've been getting pretty high Twitter traffic and have only seen it twice so far. The content that Twitter sends is:

<!DOCTYPE html>
<html xmlns="" lang="en" xml:lang="en">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta http-equiv="Content-Language" content="en-us">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Twitter / Error</title>
    <link href="//" rel="shortcut icon" type="image/x-icon">
    <link rel="stylesheet" href="//">
    <div class="topbar js-topbar">
      <div class="global-nav" data-section-term="top_nav">
        <div class="global-nav-inner">
          <div class="container">
            <ul class="nav js-global-actions">
              <li class="home">
                <a class="nav-logo-link" href="//">
                  <i class="bird-topbar-blue"></i>
            <div class="pull-right">
              <ul class="nav secondary-nav">
                <li><a href="" id="homeLink">Home &rarr;</a></li>
    <div class="blue-sky">
      <div class="body-content">

          <div class="canvas">
            <img class= "illustration robot" src= "//" >
          <h1>Something is technically wrong.</h1>
          <p>Thanks for noticing&mdash;we're going to fix it up and have things back to normal soon.</p>

        <div class="footer">
          <ul class="languages">

              <li><a data-language="cs" href="#">Čeština</a></li>

              <li><a data-language="ca" href="#">català</a></li>

              <li><a data-language="th" href="#">ภาษาไทย</a></li>

              <li><a data-language="nl" href="#">Nederlands</a></li>

              <li><a data-language="no" href="#">Norsk</a></li>

              <li><a data-language="tr" href="#">Türkçe</a></li>

              <li><a data-language="ar" href="#">العربية</a></li>

              <li><a data-language="ko" href="#">한국어</a></li>

              <li><a data-language="msa" href="#">Malay</a></li>

              <li><a data-language="he" href="#">עברית</a></li>

              <li><a data-language="hu" href="#">Magyar</a></li>

              <li><a data-language="zh-tw" href="#">繁體中文</a></li>

              <li><a data-language="hi" href="#">हिन्दी</a></li>

              <li><a data-language="en" href="#">English</a></li>

              <li><a data-language="xx-lc" href="#">LOLCATZ</a></li>

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              <li><a data-language="eu" href="#">Euskara</a></li>

              <li><a data-language="es" href="#">Español</a></li>

              <li><a data-language="pt" href="#">português (Brasil)</a></li>

              <li><a data-language="pl" href="#">Polski</a></li>

              <li><a data-language="sq" href="#">shqip</a></li>

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              <li><a data-language="ro" href="#">română</a></li>

              <li><a data-language="gl" href="#">Galego</a></li>

              <li><a data-language="ga" href="#">Gaeilge</a></li>

              <li><a data-language="ru" href="#">Русский</a></li>

              <li><a data-language="uk" href="#">Українська мова</a></li>

              <li><a data-language="ur" href="#">اردو</a></li>

              <li><a data-language="da" href="#">Dansk</a></li>

              <li><a data-language="de" href="#">Deutsch</a></li>

              <li><a data-language="zh-cn" href="#">简体中文</a></li>

              <li><a data-language="id" href="#">Indonesian</a></li>

              <li><a data-language="it" href="#">Italiano</a></li>

              <li><a data-language="fa" href="#">فارسی</a></li>

              <li><a data-language="fi" href="#">Suomi</a></li>

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          <ul class="links">
            <li class="first">&copy; 2013 Twitter</li>
            <li><a href="">About</a></li>
            <li><a href="">Help</a></li>
            <li><a href="">Status</a></li>

    <script src="//"></script>

I'm not aware of a way to force it to occur. I'm guessing it only happens when Twitter is having a rather severe issue with their systems.

looveu commented Jan 27, 2015

same error

Same error here, and even cause out of memory

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