fix security flaw for download actions
fix security flaw for download actions

 - edited authorized_to_download action
 - changed redirect with render in download_zip action

benjaminvialle/Markus,selyanhb/Markus,selyanhb/Markus,wkwan/Markus,arkon/Markus,melneubert/Markus,MarkUsProject/Markus,jeremygoh/Markus,david-yz-liu/Markus,reidka/Markus,selyanhb/Markus,wkwan/Markus,arkon/Markus,jeremygoh/Markus,melneubert/Markus,melneubert/Markus,SoftwareDev/Markus,selyanhb/Markus,ealonas/Markus,melneubert/Markus,arkon/Markus,melneubert/Markus,ealonas/Markus,ealonas/Markus,wkwan/Markus,reidka/Markus,WilsonChiang/Markus,reidka/Markus,Lysette/Markus,arkon/Markus,arkon/Markus,reidka/Markus,jeremygoh/Markus,Lysette/Markus,ealonas/Markus,finnergizer/Markus,WilsonChiang/Markus,melneubert/Markus,jeremygoh/Markus,finnergizer/Markus,reidka/Markus,jeremygoh/Markus,binuri/Markus,MarkUsProject/Markus,david-yz-liu/Markus,binuri/Markus,finnergizer/Markus,reidka/Markus,benjaminvialle/Markus,wkwan/Markus,WilsonChiang/Markus,SoftwareDev/Markus,SoftwareDev/Markus,wkwan/Markus,selyanhb/Markus,melneubert/Markus,binuri/Markus,david-yz-liu/Markus,benjaminvialle/Markus,MarkUsProject/Markus,finnergizer/Markus,Lysette/Markus,finnergizer/Markus,MarkUsProject/Markus,arkon/Markus,melneubert/Markus,reidka/Markus,wkwan/Markus,finnergizer/Markus,david-yz-liu/Markus,david-yz-liu/Markus,wkwan/Markus,Lysette/Markus,arkon/Markus,arkon/Markus,WilsonChiang/Markus,selyanhb/Markus,jeremygoh/Markus,finnergizer/Markus,WilsonChiang/Markus,reidka/Markus,david-yz-liu/Markus,jeremygoh/Markus,selyanhb/Markus,SoftwareDev/Markus,binuri/Markus,MarkUsProject/Markus,arkon/Markus,binuri/Markus,WilsonChiang/Markus,jeremygoh/Markus,benjaminvialle/Markus,melneubert/Markus,SoftwareDev/Markus,ealonas/Markus,david-yz-liu/Markus,WilsonChiang/Markus,selyanhb/Markus,Lysette/Markus,binuri/Markus,benjaminvialle/Markus,reidka/Markus,SoftwareDev/Markus,binuri/Markus,SoftwareDev/Markus,benjaminvialle/Markus,ealonas/Markus,MarkUsProject/Markus,jeremygoh/Markus,finnergizer/Markus,Lysette/Markus,finnergizer/Markus,MarkUsProject/Markus,ealonas/Markus,david-yz-liu/Markus,wkwan/Markus,binuri/Markus,Lysette/Markus,wkwan/Markus,binuri/Markus,david-yz-liu/Markus,benjaminvialle/Markus,ealonas/Markus,ealonas/Markus,MarkUsProject/Markus,WilsonChiang/Markus,WilsonChiang/Markus