1 files changed, 50 insertions, 0 deletions
diff --git a/include/zot.php b/include/zot.php
new file mode 100644
index 000000000..f49af08ad
--- /dev/null
+++ b/include/zot.php
@@ -0,0 +1,50 @@
+<?php
+
+/**
+ *
+ * @function zot_new_uid($entity_id)
+ * @entity_id = integer id of controlling entity
+ * @returns string
+ *
+ */
+
+function zot_new_uid($entity_id) {
+	$rawstr = z_root() . '/' . $entity_id . '.' . mt_rand();
+	return(base64url_encode(hash('whirlpool',$rawstr,true),true));
+}
+
+
+/**
+ *
+ * Given an array of zot_uid(s), return all distinct hubs
+ * If primary is true, return only primary hubs
+ * Result is ordered by url to assist in batching.
+ *
+ */
+
+function zot_get_hubloc($arr,$primary) {
+
+	$tmp = '';
+	
+	if(is_array($arr)) {
+		foreach($arr as $e) {
+			if(strlen($tmp))
+				$tmp .= ',';
+			$tmp .= "'" . dbesc($e) . "'" ;
+		}
+	}
+	
+	if(! strlen($tmp))
+		return array();
+
+	$sql_extra = (($primary) ? " and hubloc_primary = 1 " : "" );
+	return q("select * from hubloc where hubloc_zuid in ( $tmp ) $sql_extra order by hubloc_url");
+
+}
+	 
+// Given an item and an identity, sign the data.
+
+function zot_sign(&$item,$identity) {
+	$item['signed'] = str_replace(array(" ","\t","\n","\r"),array('','','',''),base64url_encode($item['body'],true));
+	$item['signature'] = base64url_encode(rsa_sign($item['signed'],$identity['prvkey']));
+}
+\ No newline at end of file