pdf viewer and file uploader to existing website -- 2 - 20/07/2018 15:23 EDT

i have a website in drupal 8.5 and i need to install new feature this is my feature 1- pdf viewer a- can read file from internal url, external url and google drive b- compatible with PC and Mobile c- flip appearance look at this example here : [login to view URL] and here : [login to view URL] d- the viewer contains alternative link for same file. if major url is broken, the second url is worked e- viewer will only built on html5 f- responisive 2- file uploader a- support upload files to sites remotely from direct links from external sites or locally b- upload files and check if there is same files in site according to md5 hash