function openid_test_yadis_xrds

Menu callback; XRDS document that references the OP Endpoint URL.

File

modules/openid/tests/openid_test.module, line 92

Code

function openid_test_yadis_xrds() {
    if ($_SERVER['HTTP_ACCEPT'] == 'application/xrds+xml') {
        // Only respond to XRI requests for one specific XRI. The is used to verify
        // that the XRI has been properly encoded. The "+" sign in the _xrd_r query
        // parameter is decoded to a space by PHP.
        if (arg(3) == 'xri') {
            if (variable_get('clean_url', 0)) {
                if (arg(4) != '@example*résumé;%25' || $_GET['_xrd_r'] != 'application/xrds xml') {
                    drupal_not_found();
                }
            }
            else {
                // Drupal cannot properly emulate an XRI proxy resolver using unclean
                // URLs, so the arguments gets messed up.
                if (arg(4) . '/' . arg(5) != '@example*résumé;%25?_xrd_r=application/xrds xml') {
                    drupal_not_found();
                }
            }
        }
        drupal_add_http_header('Content-Type', 'application/xrds+xml');
        print '<?xml version="1.0" encoding="UTF-8"?>';
        if (!empty($_GET['doctype'])) {
            print "\n<!DOCTYPE dct [ <!ELEMENT blue (#PCDATA)> ]>\n";
        }
        print '
      <xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)" xmlns:openid="http://openid.net/xmlns/1.0">
        <XRD>
          <Status cid="' . check_plain(variable_get('openid_test_canonical_id_status', 'verified')) . '"/>
          <ProviderID>xri://@</ProviderID>
          <CanonicalID>http://example.com/user</CanonicalID>
          <Service>
            <Type>http://example.com/this-is-ignored</Type>
          </Service>
          <Service priority="5">
            <Type>http://openid.net/signon/1.0</Type>
            <URI>http://example.com/this-is-only-openid-1.0</URI>
          </Service>
          <Service priority="10">
            <Type>http://specs.openid.net/auth/2.0/signon</Type>
            <Type>http://openid.net/srv/ax/1.0</Type>
            <URI>' . url('openid-test/endpoint', array(
            'absolute' => TRUE,
        )) . '</URI>
            <LocalID>http://example.com/xrds</LocalID>
          </Service>
          <Service priority="15">
            <Type>http://specs.openid.net/auth/2.0/signon</Type>
            <URI>http://example.com/this-has-too-low-priority</URI>
          </Service>
          <Service>
            <Type>http://specs.openid.net/auth/2.0/signon</Type>
            <URI>http://example.com/this-has-too-low-priority</URI>
          </Service>
          ';
        if (arg(3) == 'server') {
            print '
          <Service>
            <Type>http://specs.openid.net/auth/2.0/server</Type>
            <URI>http://example.com/this-has-too-low-priority</URI>
          </Service>
          <Service priority="20">
            <Type>http://specs.openid.net/auth/2.0/server</Type>
            <URI>' . url('openid-test/endpoint', array(
                'absolute' => TRUE,
            )) . '</URI>
            <LocalID>' . url('openid-test/yadis/xrds/server', array(
                'absolute' => TRUE,
            )) . '</LocalID>
          </Service>';
        }
        elseif (arg(3) == 'delegate') {
            print '
          <Service priority="0">
            <Type>http://specs.openid.net/auth/2.0/signon</Type>
            <Type>http://openid.net/srv/ax/1.0</Type>
            <URI>' . url('openid-test/endpoint', array(
                'absolute' => TRUE,
            )) . '</URI>
            <openid:Delegate>http://example.com/xrds-delegate</openid:Delegate>
          </Service>';
        }
        print '
        </XRD>
      </xrds:XRDS>';
    }
    else {
        return t('This is a regular HTML page. If the client sends an Accept: application/xrds+xml header when requesting this URL, an XRDS document is returned.');
    }
}