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POOpenID Implementation for Google.. 400 Bad Request
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  1. POOpenID Implementation for Google.. 400 Bad Request
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    copied!<p>So I'm trying to get a grasp of OpenID, and I feel I understand the theory, etc... now it's come to implementing it. I've got a very basic setup that sends a curl request to the google provider address..</p> <pre><code>https://www.google.com/accounts/o8/id </code></pre> <p>parses the returned XRDS xml file</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)"&gt; &lt;XRD&gt; &lt;Service priority="0"&gt; &lt;Type&gt;http://specs.openid.net/auth/2.0/server&lt;/Type&gt; &lt;Type&gt;http://openid.net/srv/ax/1.0&lt;/Type&gt; &lt;Type&gt;http://specs.openid.net/extensions/ui/1.0/mode/popup&lt;/Type&gt; &lt;Type&gt;http://specs.openid.net/extensions/ui/1.0/icon&lt;/Type&gt; &lt;Type&gt;http://specs.openid.net/extensions/pape/1.0&lt;/Type&gt; &lt;URI&gt;https://www.google.com/accounts/o8/ud&lt;/URI&gt; &lt;/Service&gt; &lt;/XRD&gt; &lt;/xrds:XRDS&gt; </code></pre> <p>After retrieving the actual provider for google from their XRDS document I redirect using this function...</p> <pre><code>public function RedirectToEndpoint() { $params = array(); $params['openid.mode'] = 'checkid_setup'; $params['openid.ns'] = 'http://specs.openid.net/auth/2.0'; $params['openid.claimed_id'] = 'http://specs.openid.net/auth/2.0/identifier_select'; $params['openid.identity'] = 'http://specs.openid.net/auth/2.0/identifier_select'; $params['openid.return_to'] = $this-&gt;URLs['return_to']; $params['openid.realm'] = $this-&gt;URLs['realm']; $join = stripos($this-&gt;URLs['openid_server'], '?') ? '&amp;' : '?'; $redirect_to = $this-&gt;URLs['openid_server'] . $join . $this-&gt;array2url($params); if (headers_sent()){ // Use JavaScript to redirect if content has been previously sent (not recommended, but safe) echo '&lt;script language="JavaScript" type="text/javascript"&gt;window.location=\''; echo $redirect_to; echo '\';&lt;/script&gt;'; }else{ // Default Header Redirect header('Location: ' . $redirect_to); } } </code></pre> <p>The array2url is a simple function which converts the assoc array $params to append to the query string.</p> <p>The generated url is such...</p> <pre><code>https://www.google.com/accounts/o8/ud?openid.mode=checkid_setup&amp;openid.ns=http://specs.openid.net/auth/2.0&amp;openid.claimed_id=http://specs.openid.net/auth/2.0/identifier_select&amp;openid.identity=http://specs.openid.net/auth/2.0/identifier_select&amp;openid.return_to=http://learn.local/openid/return.php&amp;openid.realm=http://learn.local/openid/index.html&amp; </code></pre> <p>However, you end up at a page requested is invalid. And a nice 400 Bad Request.. any ideas?</p>
 

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