nextcloud/apps/files/ajax/scan.php

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<?php
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set_time_limit(0);//scanning can take ages
$force=isset($_GET['force']) and $_GET['force']=='true';
$dir=isset($_GET['dir'])?$_GET['dir']:'';
$checkOnly=isset($_GET['checkonly']) and $_GET['checkonly']=='true';
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if(!$checkOnly) {
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$eventSource=new OC_EventSource();
}
session_write_close();
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//create the file cache if necesary
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if($force or !OC_FileCache::inCache('')) {
if(!$checkOnly) {
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OCP\DB::beginTransaction();
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if(OC_Cache::isFast()) {
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OC_Cache::clear('fileid/'); //make sure the old fileid's don't mess things up
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}
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OC_FileCache::scan($dir,$eventSource);
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OC_FileCache::clean();
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OCP\DB::commit();
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$eventSource->send('success', true);
} else {
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OCP\JSON::success(array('data'=>array('done'=>true)));
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exit;
}
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} else {
if($checkOnly) {
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OCP\JSON::success(array('data'=>array('done'=>false)));
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exit;
}
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if(isset($eventSource)) {
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$eventSource->send('success', false);
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} else {
exit;
}
}
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$eventSource->close();