-/**
- * Process the import file form.
- *
- * @param LinkDB $LINKSDB Loaded LinkDB instance.
- * @param ConfigManager $conf Configuration Manager instance.
- */
-function importFile($LINKSDB, $conf)
-{
- if (!isLoggedIn()) { die('Not allowed.'); }
-
- $filename=$_FILES['filetoupload']['name'];
- $filesize=$_FILES['filetoupload']['size'];
- $data=file_get_contents($_FILES['filetoupload']['tmp_name']);
- $private = (empty($_POST['private']) ? 0 : 1); // Should the links be imported as private?
- $overwrite = !empty($_POST['overwrite']) ; // Should the imported links overwrite existing ones?
- $import_count=0;
-
- // Sniff file type:
- $type='unknown';
- if (startsWith($data,'<!DOCTYPE NETSCAPE-Bookmark-file-1>')) $type='netscape'; // Netscape bookmark file (aka Firefox).
-
- // Then import the bookmarks.
- if ($type=='netscape')
- {
- // This is a standard Netscape-style bookmark file.
- // This format is supported by all browsers (except IE, of course), also Delicious, Diigo and others.
- foreach(explode('<DT>',$data) as $html) // explode is very fast
- {
- $link = array('linkdate'=>'','title'=>'','url'=>'','description'=>'','tags'=>'','private'=>0);
- $d = explode('<DD>',$html);
- if (startsWith($d[0], '<A '))
- {
- $link['description'] = (isset($d[1]) ? html_entity_decode(trim($d[1]),ENT_QUOTES,'UTF-8') : ''); // Get description (optional)
- preg_match('!<A .*?>(.*?)</A>!i',$d[0],$matches); $link['title'] = (isset($matches[1]) ? trim($matches[1]) : ''); // Get title
- $link['title'] = html_entity_decode($link['title'],ENT_QUOTES,'UTF-8');
- preg_match_all('! ([A-Z_]+)=\"(.*?)"!i',$html,$matches,PREG_SET_ORDER); // Get all other attributes
- $raw_add_date=0;
- foreach($matches as $m)
- {
- $attr=$m[1]; $value=$m[2];
- if ($attr=='HREF') $link['url']=html_entity_decode($value,ENT_QUOTES,'UTF-8');
- elseif ($attr=='ADD_DATE')
- {
- $raw_add_date=intval($value);
- if ($raw_add_date>30000000000) $raw_add_date/=1000; //If larger than year 2920, then was likely stored in milliseconds instead of seconds
- }
- elseif ($attr=='PRIVATE') $link['private']=($value=='0'?0:1);
- elseif ($attr=='TAGS') $link['tags']=html_entity_decode(str_replace(',',' ',$value),ENT_QUOTES,'UTF-8');
- }
- if ($link['url']!='')
- {
- if ($private==1) $link['private']=1;
- $dblink = $LINKSDB->getLinkFromUrl($link['url']); // See if the link is already in database.
- if ($dblink==false)
- { // Link not in database, let's import it...
- if (empty($raw_add_date)) $raw_add_date=time(); // In case of shitty bookmark file with no ADD_DATE
-
- // Make sure date/time is not already used by another link.
- // (Some bookmark files have several different links with the same ADD_DATE)
- // We increment date by 1 second until we find a date which is not used in DB.
- // (so that links that have the same date/time are more or less kept grouped by date, but do not conflict.)
- while (!empty($LINKSDB[date('Ymd_His',$raw_add_date)])) { $raw_add_date++; }// Yes, I know it's ugly.
- $link['linkdate']=date('Ymd_His',$raw_add_date);
- $LINKSDB[$link['linkdate']] = $link;
- $import_count++;
- }
- else // Link already present in database.
- {
- if ($overwrite)
- { // If overwrite is required, we import link data, except date/time.
- $link['linkdate']=$dblink['linkdate'];
- $LINKSDB[$link['linkdate']] = $link;
- $import_count++;
- }
- }
-
- }
- }
- }
- $LINKSDB->savedb($conf->get('path.page_cache'));
-
- echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) was successfully processed: '.$import_count.' links imported.");document.location=\'?\';</script>';
- }
- else
- {
- echo '<script>alert("File '.json_encode($filename).' ('.$filesize.' bytes) has an unknown file format. Nothing was imported.");document.location=\'?\';</script>';
- }
-}
-