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<?php

function poco_init(&$a) {

$system_mode = false;

if(intval(get_config('system','block_public')))
http_status_exit(401);


if($a->argc > 1) {
$user = notags(trim($a->argv[1]));
}
if(! x($user)) {
$c = q("select * from pconfig where cat = 'system' and k = 'suggestme' and v = 1");
if(! count($c))
http_status_exit(401);
$system_mode = true;
}

$format = (($_GET['format']) ? $_GET['format'] : 'json');

$justme = false;

if($a->argc > 2 && $a->argv[2] === '@me')
$justme = true;
if($a->argc > 3 && $a->argv[3] === '@all')
$justme = false;
if($a->argc > 3 && $a->argv[3] === '@self')
$justme = true;
if($a->argc > 4 && intval($a->argv[4]) && $justme == false)
$cid = intval($a->argv[4]);
 

if(! $system_mode) {
$r = q("SELECT `user`.*,`profile`.`hide-friends` from user left join profile on `user`.`uid` = `profile`.`uid`
where `user`.`nickname` = '%s' and `profile`.`is-default` = 1 limit 1",
dbesc($user)
);
if(! count($r) || $r[0]['hidewall'] || $r[0]['hide-friends'])
http_status_exit(404);

$user = $r[0];
}

if($justme)
$sql_extra = " and `contact`.`self` = 1 ";
else
$sql_extra = " and `contact`.`self` = 0 ";

if($cid)
$sql_extra = sprintf(" and `contact`.`id` = %d ",intval($cid));

if($system_mode) {
$r = q("SELECT count(*) as `total` from `contact` where self = 1
and uid in (select uid from pconfig where cat = 'system' and k = 'suggestme' and v = 1) ");
}
else {
$r = q("SELECT count(*) as `total` from `contact` where `uid` = %d and blocked = 0 and pending = 0 and hidden = 0
$sql_extra ",
intval($user['uid'])
);
}
if(count($r))
$totalResults = intval($r[0]['total']);
else
$totalResults = 0;

$startIndex = intval($_GET['startIndex']);
if(! $startIndex)
$startIndex = 0;
$itemsPerPage = ((x($_GET,'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);


if($system_mode) {
$r = q("SELECT * from contact where self = 1
and uid in (select uid from pconfig where cat = 'system' and k = 'suggestme' and v = 1) limit %d, %d ",
intval($startIndex),
intval($itemsPerPage)
);
}
else {

$r = q("SELECT * from `contact` where `uid` = %d and blocked = 0 and pending = 0 and hidden = 0
$sql_extra LIMIT %d, %d",
intval($user['uid']),
intval($startIndex),
intval($itemsPerPage)
);
}
$ret = array();
if(x($_GET,'sorted'))
$ret['sorted'] = 'false';
if(x($_GET,'filtered'))
$ret['filtered'] = 'false';
if(x($_GET,'updatedSince'))
$ret['updateSince'] = 'false';

$ret['startIndex'] = (string) $startIndex;
$ret['itemsPerPage'] = (string) $itemsPerPage;
$ret['totalResults'] = (string) $totalResults;
$ret['entry'] = array();


$fields_ret = array(
'id' => false,
'displayName' => false,
'urls' => false,
'preferredUsername' => false,
'photos' => false
);

if((! x($_GET,'fields')) || ($_GET['fields'] === '@all'))
foreach($fields_ret as $k => $v)
$fields_ret[$k] = true;
else {
$fields_req = explode(',',$_GET['fields']);
foreach($fields_req as $f)
$fields_ret[trim($f)] = true;
}

if(is_array($r)) {
if(count($r)) {
foreach($r as $rr) {
$entry = array();
if($fields_ret['id'])
$entry['id'] = $rr['id'];
if($fields_ret['displayName'])
$entry['displayName'] = $rr['name'];
if($fields_ret['urls']) {
$entry['urls'] = array(array('value' => $rr['url'], 'type' => 'profile'));
if($rr['addr'] && ($rr['network'] !== NETWORK_MAIL))
$entry['urls'][] = array('value' => 'acct:' . $rr['addr'], 'type' => 'webfinger');
}
if($fields_ret['preferredUsername'])
$entry['preferredUsername'] = $rr['nick'];
if($fields_ret['photos'])
$entry['photos'] = array(array('value' => $rr['photo'], 'type' => 'profile'));
$ret['entry'][] = $entry;
}
}
else
$ret['entry'][] = array();
}
else
http_status_exit(500);

if($format === 'xml') {
header('Content-type: text/xml');
echo replace_macros(get_markup_template('poco_xml.tpl'),array_xmlify(array('$response' => $ret)));
http_status_exit(500);
}
if($format === 'json') {
header('Content-type: application/json');
echo json_encode($ret);
killme();
}
else
http_status_exit(500);


}
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