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Upload.php
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Upload.php
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<?php
/**
* upload file
* @author ms
* @todo: löschen
*@todo icons
U+2716 (10006) ✖
*/
class Upload{
/**Attributes**/
private $login=null;
private $uploaddir;
private $lastimage=null;
private $ilegal=array('#','$','%','^','&','*','?', ' ');
private $legal=array('no','dollar' ,'percent' ,'tilde','and','','','');
/**__construct()**/
public function __construct(Login $log=null){
$this->login=$log;
}//__construct
public function upload(){
$this->uploadfromPC();
$this->uploadFromUrl();
}
public function delete($file){
return @unlink($file);
}
private function uploadfromPC(){
if (@$_FILES['file']['name']){
$this->fileHandle=$_FILES['file']['name'];
$safe=str_replace($this->ilegal, $this->legal, $_FILES['file']['name']);
$dest=$this->uploaddir.$safe;
$source=$_FILES['file']['tmp_name'];
$this->copy($source, $dest);
}
}
private function uploadFromUrl(){
$validUrl=@$_POST['link'];
if(@$_POST['link'] && $this->fileExists(@$_POST['link'])&& $validUrl){
$handle=fopen($_POST['link'], 'r');
$safe=str_replace($this->ilegal, $this->legal, $_POST['link']);
$safe=basename($safe);
$dest=$this->uploaddir.$safe;
$source=$_POST['link'];
$this->copy($source, $dest);
}
}
/**
*
* Copy uploadet file to the image folder
* @param PathToImage $source
* @param PathToImage $dest
*/
private function copy($source, $dest){
$shaSource=sha1_file($source);
$files=$this->listImages();
//filename in use?
$filenameInuse=false;
if(in_array($dest,$files))
$filenameInuse=true;
//file exists?
$exists=false;
foreach ($files as $file){
if(sha1_file($file) == $shaSource){
$this->lastimage=$file;
$exists=true;
break;
}
}
//filename is in use, but the image is a different one -
if($filenameInuse && !$exists){
$pathinfo=pathinfo(basename($dest));
$dest=$this->uploaddir. $shaSource .'.'. $pathinfo['extension'];
}
//file isn't on the machine
if (!$exists){
if(copy( $source, $dest)){
$this->lastimage=$dest;
return true;
}
}
return false;
}
private function fileExists($url){
/**
*
* check for remote upload
* file exists? 200 : 404
* @var unknown_type
*/
$AgetHeaders = @get_headers($url);
if (preg_match("|200|", $AgetHeaders[0]))
return true;
return false;
}
public function showlastImage(){
if ($this->lastimage){
echo "<h1>last image</h1>";
echo "<img src=\"{$this->lastimage}\"/ id=\"lastimage\"><p>";
}
}
private static function sortByDate($a, $b){
}
private static function sortByImagesize($a,$b){
$imgA=getimagesize($a);
$imgB=getimagesize($b);
$sumA=$imgA[0]* $imgA[1];
$sumB=$imgB[0]* $imgB[1];
if ($sumA == $sumB)
return 0;
return ($sumA <$sumB) ? -1 :1;
}
private function listImages(){
$files=array();
$handle=opendir($this->uploaddir());
while (false !== ($file=readdir($handle))){
if ($file !='.' && $file !='..')
$files[]=$this->uploaddir().$file;
}
return $files;
}
public function showImages(){
$files=$this->listImages();
usort($files,array("Upload" ,"sortByImagesize"));
$ctr=0;
foreach($files as $file){
#$full=$this->uploaddir().$file;
$basename=basename($file);
$imageurl='http://'.$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF'])."/$file";
$delete='';
$linkToImage="\n<div class=\"linktoimage\"><a href=\"$file\">⤲</a></div>\n";
if($this->login!=null &&$this->login->loggedIn()){
$delete="\n<div><a href=\"index.php?delete=$file\">✖</a></div>\n";
}
$copy="";
$copy.="\n<div class=\"d_clip_button\" id=\"img$ctr\">⎘</div>\n";
$copy.="<script>var d$ctr= new ZeroClipboard.Client();d$ctr.setText('$imageurl');d$ctr.setHandCursor(true);d$ctr.glue('img$ctr');</script>";
echo "<div class=\"image\"><img alt=\"$file\" src=\"$file\"/><div class=\"image_wrapper\">$linkToImage $copy $delete</div></div>\n";
$ctr++;
}
}
public function uploaddir($uploaddir=""){
if (empty($uploaddir)){
return $this->uploaddir;
}else{
if (substr($uploaddir, -1,1)!='/')
$uploaddir.='/';
$this->uploaddir=$uploaddir;
}
}
private function isValidURL($url){
return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url);
}
}//class
?>