friendica/include/redir.php

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PHP
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<?php
function auto_redir(&$a, $contact_nick) {
if((! $contact_nick) || ($contact_nick === $a->user['nickname']))
return;
if(local_user()) {
$r = q("SELECT id FROM contact WHERE uid = ( SELECT uid FROM user WHERE nickname = '%s' LIMIT 1 ) AND nick = '%s' AND network = '%s' and self = 0 LIMIT 1",
dbesc($contact_nick),
dbesc($a->user['nickname']),
dbesc(NETWORK_DFRN)
);
if((!$r) || (! count($r)) || $r[0]['id'] == remote_user())
return;
$r = q("SELECT * FROM contact WHERE nick = '%s' AND network = '%s' AND uid = %d LIMIT 1",
dbesc($contact_nick),
dbesc(NETWORK_DFRN),
intval(local_user())
);
if(! ($r && count($r)))
return;
$cid = $r[0]['id'];
$dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
if($r[0]['duplex'] && $r[0]['issued-id']) {
$orig_id = $r[0]['issued-id'];
$dfrn_id = '1:' . $orig_id;
}
if($r[0]['duplex'] && $r[0]['dfrn-id']) {
$orig_id = $r[0]['dfrn-id'];
$dfrn_id = '0:' . $orig_id;
}
$sec = random_string();
q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`)
VALUES( %d, %s, '%s', '%s', %d )",
intval(local_user()),
intval($cid),
dbesc($dfrn_id),
dbesc($sec),
intval(time() + 45)
);
$url = curPageURL();
logger('check_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
$dest = (($url) ? '&destination_url=' . $url : '');
goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest );
}
return;
}