<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
<tr valign="top">
<td id="email-page" style="padding:16px !important;">
<table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
<tr valign="top">
<td bgcolor="#ffffff" style="background-color:#ffffff;color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://shibboleth.net/images/shib_240x83.png" alt="" style="vertical-align:top;" /></td>
</tr><tr valign="top">
<td id="email-banner" style="padding:32px 32px 0 32px;">
<table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
<tr valign="top">
<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
<img id="email-avatar" src="https://issues.shibboleth.net/jira/secure/useravatar?ownerId=wkiyxkscr4bax%2F2pq5dvxwse0ei%3D%40https%3A%2F%2Faai-logon.switch.ch%2Fidp%2Fshibboleth&avatarId=10382" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
<div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
<a class="user-hover" rel="wkiyxkscr4bax/2pq5dvxwse0ei=@https://aai-logon.switch.ch/idp/shibboleth" id="email_wkiyxkscr4bax/2pq5dvxwse0ei=@https://aai-logon.switch.ch/idp/shibboleth" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=wkiyxkscr4bax%2F2pq5dvxwse0ei%3D%40https%3A%2F%2Faai-logon.switch.ch%2Fidp%2Fshibboleth" style="color:#326ca6;">Lukas Haemmerle</a>
created <img src="https://issues.shibboleth.net/jira/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/SSPCPP-588'>SSPCPP-588</a>
</div>
<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#326ca6;text-decoration:none;' href='https://issues.shibboleth.net/jira/browse/SSPCPP-588'><strong>AttributeExtractor of type Metadata prefixes all attributes and not only those extracted from metadata</strong></a>
</div>
</td>
</tr>
</table>
</td>
</tr>
<tr valign="top">
<td id="email-fields" style="padding:0 32px 32px 32px;">
<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
<tr valign="top">
<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
<td>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://issues.shibboleth.net/jira/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
2.5.2 </td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="cantor.2@osu.edu" id="email_cantor.2@osu.edu" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=cantor.2%40osu.edu" style="color:#326ca6;">Scott Cantor</a>
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Created:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
23/Jul/13 8:15 AM
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Description:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<p style='margin-top:0;margin-bottom:10px;'>When using the feature that allows extracting attributes from metadata (<a href="https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPAttributeExtractor" class="external-link">https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPAttributeExtractor</a>) in an SP reverse-proxy environment, we encountered this error:</p>
<blockquote>
<p style='margin-top:0;margin-bottom:10px;'>Bad Request<br/>
Your browser sent a request that this server could not understand.<br/>
The number of request header fields exceeds this server's limit.</p></blockquote>
<p style='margin-top:0;margin-bottom:10px;'>It turned out that all Shibboleth headers (about 60) were duplicated with a prefixed version. However, only one of the two versions contained actual values. In the case of metadata attribute, only the prefixed header contained a value. For all other attributes, only the non-prefixed version contain an attribute. </p>
<p style='margin-top:0;margin-bottom:10px;'>When checking the communication between proxy and backend server one therefore can see in the forwarded HTTP request:</p>
<blockquote>
<p style='margin-top:0;margin-bottom:10px;'>...<br/>
affiliation: staff<br/>
Shib-Metadata-affiliation: <br/>
givenName: Lukas<br/>
Shib-Metadata-givenName: <br/>
Shib-Metadata-OrganizationName: Comptes CRU<br/>
OrganizationDisplayName: <br/>
...</p></blockquote>
<p style='margin-top:0;margin-bottom:10px;'>We tested this on a Mac OS X and on CentOS with SP 2.5.2. We added metadataAttributePrefix to ApplicationDefaults as well as ApplicationOverride.</p>
<p style='margin-top:0;margin-bottom:10px;'>The AttributeExtractor used was:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-xml">
<span class="code-tag"><AttributeExtractor type=<span class="code-quote">"Chaining"</span>></span>
<span class="code-tag"><AttributeExtractor type=<span class="code-quote">"XML"</span> validate=<span class="code-quote">"true"</span> path=<span class="code-quote">"attribute-map.xml"</span>/></span>
<AttributeExtractor type=<span class="code-quote">"Metadata"</span>
OrganizationName=<span class="code-quote">"OrganizationName"</span>
OrganizationDisplayName=<span class="code-quote">"OrganizationDisplayName"</span>
OrganizationURL=<span class="code-quote">"OrganizationURL"</span>>
<ContactPerson
id=<span class="code-quote">"TechnicalContact"</span>
contactType=<span class="code-quote">"technical"</span>
formatter=<span class="code-quote">"&lt;a href='$EmailAddress'&gt;$GivenName $SurName&lt;/a&gt;"</span> />
<span class="code-tag"></AttributeExtractor></span>
<span class="code-tag"></AttributeExtractor></span>
</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>Credits for finding this issue also go to RENATER, in particular Mehdi Hached.</p>
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Project:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a style="color:#326ca6;" href="https://issues.shibboleth.net/jira/browse/SSPCPP">Shibboleth SP - C++</a>
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Priority:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://issues.shibboleth.net/jira/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="wkiyxkscr4bax/2pq5dvxwse0ei=@https://aai-logon.switch.ch/idp/shibboleth" id="email_wkiyxkscr4bax/2pq5dvxwse0ei=@https://aai-logon.switch.ch/idp/shibboleth" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=wkiyxkscr4bax%2F2pq5dvxwse0ei%3D%40https%3A%2F%2Faai-logon.switch.ch%2Fidp%2Fshibboleth" style="color:#326ca6;">Lukas Haemmerle</a>
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</table>
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</table>
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</table>
</td><!-- End #email-page -->
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<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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</td>
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</table><!-- End #email-wrap -->
</div><!-- End #email-body -->