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<?php
require_once 'xrds_writer.php';
/**
* Write OMB-specific XRDS using XMLWriter.
*
* This class writes the XRDS file announcing the OMB server. It uses
* OMB_XMLWriter, which is a subclass of XMLWriter. An instance of
* OMB_Plain_XRDS_Writer should be passed to OMB_Service_Provider->writeXRDS.
*
* PHP version 5
*
* LICENSE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @package OMB
* @author Adrian Lang <mail@adrianlang.de>
* @copyright 2009 Adrian Lang
* @license http://www.gnu.org/licenses/agpl.html GNU AGPL 3.0
**/
class OMB_Plain_XRDS_Writer implements OMB_XRDS_Writer {
public function writeXRDS($user, $mapper) {
header('Content-Type: application/xrds+xml');
$xw = new XMLWriter();
$xw->openURI('php://output');
$xw->setIndent(true);
$xw->startDocument('1.0', 'UTF-8');
$this->writeFullElement($xw, 'XRDS', array('xmlns' => 'xri://$xrds'), array(
array('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
'xml:id' => 'oauth',
'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
'version' => '2.0'), array(
array('Type', null, 'xri://$xrds*simple'),
array('Service', null, array(
array('Type', null, OAUTH_ENDPOINT_REQUEST),
array('URI', null, $mapper->getURL(OAUTH_ENDPOINT_REQUEST)),
array('Type', null, OAUTH_AUTH_HEADER),
array('Type', null, OAUTH_POST_BODY),
array('Type', null, OAUTH_HMAC_SHA1),
array('LocalID', null, $user->getIdentifierURI())
)),
array('Service', null, array(
array('Type', null, OAUTH_ENDPOINT_AUTHORIZE),
array('URI', null, $mapper->getURL(OAUTH_ENDPOINT_AUTHORIZE)),
array('Type', null, OAUTH_AUTH_HEADER),
array('Type', null, OAUTH_POST_BODY),
array('Type', null, OAUTH_HMAC_SHA1)
)),
array('Service', null, array(
array('Type', null, OAUTH_ENDPOINT_ACCESS),
array('URI', null, $mapper->getURL(OAUTH_ENDPOINT_ACCESS)),
array('Type', null, OAUTH_AUTH_HEADER),
array('Type', null, OAUTH_POST_BODY),
array('Type', null, OAUTH_HMAC_SHA1)
)),
array('Service', null, array(
array('Type', null, OAUTH_ENDPOINT_RESOURCE),
array('Type', null, OAUTH_AUTH_HEADER),
array('Type', null, OAUTH_POST_BODY),
array('Type', null, OAUTH_HMAC_SHA1)
))
)),
array('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
'xml:id' => 'omb',
'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
'version' => '2.0'), array(
array('Type', null, 'xri://$xrds*simple'),
array('Service', null, array(
array('Type', null, OMB_ENDPOINT_POSTNOTICE),
array('URI', null, $mapper->getURL(OMB_ENDPOINT_POSTNOTICE))
)),
array('Service', null, array(
array('Type', null, OMB_ENDPOINT_UPDATEPROFILE),
array('URI', null, $mapper->getURL(OMB_ENDPOINT_UPDATEPROFILE))
))
)),
array('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
'version' => '2.0'), array(
array('Type', null, 'xri://$xrds*simple'),
array('Service', null, array(
array('Type', null, OAUTH_DISCOVERY),
array('URI', null, '#oauth')
)),
array('Service', null, array(
array('Type', null, OMB_VERSION),
array('URI', null, '#omb')
))
))
));
$xw->endDocument();
$xw->flush();
}
public static function writeFullElement($xw, $tag, $attributes, $content) {
$xw->startElement($tag);
if (!is_null($attributes)) {
foreach ($attributes as $name => $value) {
$xw->writeAttribute($name, $value);
}
}
if (is_array($content)) {
foreach ($content as $values) {
OMB_Plain_XRDS_Writer::writeFullElement($xw, $values[0], $values[1], $values[2]);
}
} else {
$xw->text($content);
}
$xw->fullEndElement();
}
}
?>
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