90 lines
1.9 KiB
PHP
90 lines
1.9 KiB
PHP
<?php
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namespace Zotlabs\Web;
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class SessionHandler implements \SessionHandlerInterface {
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function open ($s, $n) {
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return true;
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}
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// IMPORTANT: if we read the session and it doesn't exist, create an empty record.
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// We rely on this due to differing PHP implementation of session_regenerate_id()
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// some which call read explicitly and some that do not. So we call it explicitly
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// just after sid regeneration to force a record to exist.
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function read ($id) {
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if($id) {
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$r = q("SELECT sess_data FROM session WHERE sid= '%s'", dbesc($id));
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if($r) {
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return $r[0]['sess_data'];
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}
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else {
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q("INSERT INTO session (sess_data, sid, expire) values ('%s', '%s', '%s')",
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dbesc(''),
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dbesc($id),
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dbesc(time() + 300)
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);
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}
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}
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return '';
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}
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function write ($id, $data) {
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if(! $id || ! $data) {
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return false;
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}
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// Unless we authenticate somehow, only keep a session for 5 minutes
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// The viewer can extend this by performing any web action using the
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// original cookie, but this allows us to cleanup the hundreds or
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// thousands of empty sessions left around from web crawlers which are
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// assigned cookies on each page that they never use.
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$expire = time() + 300;
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if($_SESSION) {
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if(array_key_exists('remember_me',$_SESSION) && intval($_SESSION['remember_me']))
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$expire = time() + (60 * 60 * 24 * 365);
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elseif(local_channel())
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$expire = time() + (60 * 60 * 24 * 3);
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elseif(remote_channel())
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$expire = time() + (60 * 60 * 24 * 1);
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}
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q("UPDATE session
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SET sess_data = '%s', expire = '%s' WHERE sid = '%s'",
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dbesc($data),
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dbesc($expire),
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dbesc($id)
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);
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return true;
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}
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function close() {
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return true;
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}
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function destroy ($id) {
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q("DELETE FROM session WHERE sid = '%s'", dbesc($id));
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return true;
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}
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function gc($expire) {
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q("DELETE FROM session WHERE expire < %d", dbesc(time()));
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return true;
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}
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}
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