<?php
/**
* Handle linkback() response from LinkedIn.
*/
if (array_key_exists('stateid', $_REQUEST)) {
$stateId = $_REQUEST['stateid'];
} else {
throw new Exception('Lost OAuth Client State');
}
// sanitize the input
$sid = SimpleSAML_Utilities::parseStateID($stateId);
if (!is_null($sid['url'])) {
SimpleSAML_Utilities::checkURLAllowed($sid['url']);
}
$state = SimpleSAML_Auth_State::loadState($stateId, sspmod_authlinkedin_Auth_Source_LinkedIn::STAGE_INIT);
// http://developer.linkedin.com/docs/DOC-1008#2_Redirect_the_User_to_our_Authorization_Server
if (array_key_exists('oauth_verifier', $_REQUEST)) {
$state['authlinkedin:oauth_verifier'] = $_REQUEST['oauth_verifier'];
} else {
throw new Exception('OAuth verifier not returned.');;
}
/* Find authentication source. */
assert('array_key_exists(sspmod_authlinkedin_Auth_Source_LinkedIn::AUTHID, $state)');
$sourceId = $state[sspmod_authlinkedin_Auth_Source_LinkedIn::AUTHID];
$source = SimpleSAML_Auth_Source::getById($sourceId);
if ($source === NULL) {
throw new Exception('Could not find authentication source with id ' . $sourceId);
}
$source->finalStep($state);
SimpleSAML_Auth_Source::completeAuth($state);
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