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<?php
include_once($UTIL_DIR . "/convert.php");
include_once($UTIL_DIR . "/mimetypes.php");
class File {
public $fid;
public $uid;
public $name;
public $mimetype;
public function link()
{
return "?mode=file&fid=" . $this->fid;
}
public function show()
{
global $PERMSTORE, $current_user, $users;
echo "<div class=\"file\">\n";
if($current_user->uid == 0) {
echo " <a class=\"delete\" href=\"?mode=filehandler&task=delete&fid=" . $this->fid . "\">Delete</a>\n";
}
echo " <div class=\"filename\">Filename: <a href=\"" . $this->link() . "\">" . $this->name . "</a> (" . $this->mimetype. ")</div>\n";
echo " <div class=\"fileuser\">Uploaded by: " . $users->getUser($this->uid)->name . "</div>\n";
echo " <div class=\"filesize\">Size: " . ceil(filesize($PERMSTORE . "/" . $this->fid) / 1024) . "kb</div>\n";
echo " <div class=\"insertcommand\">Use this command to insert the file: {{" . $this->fid . "}}</div>\n";
echo "</div>\n";
}
public function File($fid, $uid, $name, $mimetype)
{
$this->fid = $fid;
$this->uid = $uid;
$this->name = $name;
$this->mimetype = $mimetype;
}
}
class Files {
private $file;
public $files = array();
public function add($file) {
$key = $file->fid;
$this->files[$key] = $file;
}
public function write()
{
$fp = fopen($this->file, "w");
$block = TRUE;
flock($fp, LOCK_EX, $block); // do an exclusive lock
fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
fwrite($fp, "<files>\n");
foreach($this->files as $file) {
fwrite($fp, " <file fid=\"" .
htmlspecialchars($file->fid, ENT_QUOTES, "UTF-8") . "\"\n");
fwrite($fp, " uid=\"" .
htmlspecialchars($file->uid, ENT_QUOTES, "UTF-8") . "\"\n");
fwrite($fp, " name=\"" .
htmlspecialchars($file->name, ENT_QUOTES, "UTF-8") . "\"\n");
fwrite($fp, " mimetype=\"" .
htmlspecialchars($file->mimetype, ENT_QUOTES, "UTF-8") . "\">\n");
fwrite($fp, " </file>\n");
}
fwrite($fp, "</files>\n");
fclose($fp);
}
public function show()
{
foreach($this->files as $file) {
$file->show();
}
}
public function getFile($fid)
{
$file = $this->files[$fid];
return $file;
}
public function newFile($tempfile, $name)
{
global $PERMSTORE, $current_user;
$fid = time();
// move tempfile to permstore and put it in db.
move_uploaded_file($tempfile, $PERMSTORE . "/" . $fid);
$f = new File($fid, $current_user->uid, $name, getMimeType($name)->name);
$this->add($f);
// We cannot wait to write the db, otherwise we'll get inconsistency!
$this->write();
// Return new file id.
return $fid;
}
public function deleteFile($fid)
{
global $PERMSTORE;
unlink($PERMSTORE . "/" . $fid);
unset($this->files[$fid]);
// We cannot wait to write the db, otherwise we'll get inconsitency!
$this->write();
}
private function read()
{
$dom = new DomDocument;
$dom->preserveWhiteSpace = FALSE;
$dom->load($this->file);
$files = $dom->getElementsByTagName('file');
foreach ($files as $f) {
$file = new File($f->getAttribute('fid'),
$f->getAttribute('uid'),
$f->getAttribute('name'),
$f->getAttribute('mimetype'));
$this->add($file);
}
}
public function Files($file)
{
global $PERMSTORE;
$this->file = $file;
if(file_exists($file)) $this->read();
if(!file_exists($PERMSTORE)) {
if(!mkdir($PERMSTORE)) {
echo"Could not create directory: " . $PERMSTORE;
die();
}
}
if(!is_dir($PERMSTORE)) {
echo $PERMSTORE . " exists but is not a directory";
die();
}
if(!is_readable($PERMSTORE) || !is_writeable($PERMSTORE) || !is_executable($PERMSTORE)) {
echo $PERMSTORE . " exists but does not have the correct permissions. (r/w/x)";
die();
}
}
}
?>
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