<?php 
 
/* 
 * Copyright (c) 2012 The University of Queensland 
 * 
 * Permission to use, copy, modify, and distribute this software for any 
 * purpose with or without fee is hereby granted, provided that the above 
 * copyright notice and this permission notice appear in all copies. 
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
 */ 
 
/* 
 * Written by David Gwynne <[email protected]> as part of the IT 
 * Infrastructure Group in the Faculty of Engineering, Architecture 
 * and Information Technology. 
 */ 
 
 
/** 
 * Hook to run a cron job. 
 * 
 * @param array &$croninfo  Output 
 */ 
function riak_hook_cron(&$croninfo) { 
    assert('is_array($croninfo)'); 
    assert('array_key_exists("summary", $croninfo)'); 
    assert('array_key_exists("tag", $croninfo)'); 
 
    if ($croninfo['tag'] !== 'hourly') return; 
 
    try { 
        $store = new sspmod_riak_Store_Store(); 
        $result = $store->bucket->indexSearch('expires', 'int', 
            1, time() - 30); 
        foreach ($result as $link) { 
            $link->getBinary()->delete(); 
        } 
 
        SimpleSAML_Logger::info(sprintf("deleted %s riak key%s", 
            sizeof($result), sizeof($result) == 1 ? '' : 's')); 
    } catch (Exception $e) { 
        $message = 'riak threw exception: ' . $e->getMessage(); 
        SimpleSAML_Logger::warning($message); 
        $croninfo['summary'][] = $message; 
    } 
} 
 
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