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66 lines
1.5 KiB
PHP
66 lines
1.5 KiB
PHP
<?php
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/**
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*
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* @function zot_new_uid($entity_id)
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* @entity_id = integer id of controlling entity
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* @returns string
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*
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*/
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function zot_new_uid($entity_id) {
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$rawstr = z_root() . '/' . $entity_id . '.' . mt_rand();
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return(base64url_encode(hash('whirlpool',$rawstr,true),true) . '.' . mt_rand());
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}
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/**
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*
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* Given an array of zot_uid(s), return all distinct hubs
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* If primary is true, return only primary hubs
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* Result is ordered by url to assist in batching.
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*
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*/
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function zot_get_hubloc($arr,$primary) {
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$tmp = '';
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if(is_array($arr)) {
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foreach($arr as $e) {
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if(strlen($tmp))
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$tmp .= ',';
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$tmp .= "'" . dbesc($e) . "'" ;
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}
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}
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if(! strlen($tmp))
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return array();
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$sql_extra = (($primary) ? " and hubloc_primary = 1 " : "" );
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return q("select * from hubloc where hubloc_zuid in ( $tmp ) $sql_extra order by hubloc_url");
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}
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// Given an item and an identity, sign the data.
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function zot_sign(&$item,$identity) {
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$item['signed'] = str_replace(array(" ","\t","\n","\r"),array('','','',''),base64url_encode($item['body'],true));
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$item['signature'] = base64url_encode(rsa_sign($item['signed'],$identity['prvkey']));
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}
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// Given an item and an identity, verify the signature.
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function zot_verify(&$item,$identity) {
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return rsa_verify($item[signed'],base64url_decode($item['signature']),$identity['pubkey']);
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}
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function zot_notify($entity,$url) {
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$x = z_post_url($url,
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array('zot_uid' => $entity_global_id, 'callback' => z_root() . '/zot', 'spec' => ZOT_REVISION));
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return($x);
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}
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