Code a Script to Upload files to RackSpace Cloud Files directly from the Web using Links

Hiya, I need a simple script (either PHP or ASP) coded urgently, and I guess it's more easy as there are many plugins in Wordpress and other scripts offer CDN Sync facility which upload files to RackSpace Cloudfiles from web server. What I need is create an one-page script that allow users to upload files to my rackspace cloud container from their computer (its optional as nobody would bother to upload such large files from their computers) but importantly need is link to cloud upload, means they will provide direct link of the file and then it will be uploaded to rackspace container. The script needs to work 100% perfectly, as peoples will be storing big size of media (.mp4) files like 1.5+ GB each, and it would be nice if the script do verify the downloaded file size with remote file size before uploading it to cloud, because I got some mirrors who host flv's and they do get stuck middle of the transfer then what I get leeched is half of the movie (I'm using RapidLeech) so I have to delete the file and then re-download it, so if the script math the locally downloaded file size with remote one and see if matched then upload it to the cloud and give the user cloud URL (it should not give the user the main cloud URL, it will give the defined URL which I shall provide in the config file while providing cloud container's API access key) I mean, usually a cloud URL is like ([login to view URL]) but it will give it like ([login to view URL]) now if i want to give the original link I can simply define "[login to view URL]" instead of the cname, and it will give user the original link anyways... Once the file is uploaded, it should automatedly delete the locally downloaded one (temporary file) - it would be better but not compulsory that you try it to do using ajax so users can see progress of the task and also if possible then try to show the task of both way, first downloading the files to media (local) server then uploading it to the cloud... Another function this script should support is mass upload for both file & link so up-loader's do not get bored by one by one labor taskinh, that would save lots of time doing one-by-one leeching, instead they can list the files together and leech it all with one submission. Also I should be able to install (provide) multiple Cloud Files API & Containers credentials in the configuration/settings file so uploaded files will be distributed in various cloud-files storage's, also when uploading the files users (or me) would be able to request (select/check-mark) weather they do want a back-up mirror or not, if they asked for a back-up mirror then the file would be uploaded in 2 different cloud-files location and provided one primary link and one alternative link, also the link that will be displayed to the up-loaders should be able to masked by with prefix like [login to view URL] (so keep in mind, that the cname & masking is totally different, one will be assigned to the files that it's the direct link to that file, another is that link being manipulated for advertising purposes using services like [login to view URL] - also this manupulative prefix will be provided in multiple numbers in the config/settings file so it would show in round-robin format, so prefixes will not be the same as it was provided in the last upload) I think it's a very simple script and one-of my buddy was able to do the same thing with putlocker years back just in two hours when he was even not a coding guru but at this moment he is busy making antivirus for one of the reputable business so I left with no-choice but to get help from you guys. Upon choosing the finalist, I'll provide RackSpace Cloud Files account to study with and if you don't understand anything about this project by reading above description, please do leave me a line and I'll get back to you!