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What's the best way to create a replication/load balancing module?

We have a sharepoint doucment library, the site consist media files(like images, word document, .psd file) and then we have a local CME (Alterian) which can be integrated to the SharePoint library in order to share the document library but the site needs to be on http// not an https//, coincidentally current sharepoint site is on https//, so we need to figure out a way/write a module which will work as a scheduled job (possibly using SPJobDefination class) and check on https// site for recently modified/added or deleted documents/records and then will copy them/normalize them to a dev site (hosted on http//, replica of the production https// site).
Experts please share your view's to proceed with a best approach to make this happen. (At an initial stage I'll have to copy over all the existing meta-data from the current https// site aswell)
Thanks a lot in advance for the time.

I would use event handlers on the https document library. Please see the SPItemEventReceiver.ItemAdded Method and SPItemEventReceiver.ItemUpdated Method.
So, every time you will add or modify an item, the code inside the methods is triggered. Inside the code, you may take the library document and copy it to the http site.
Regarding the existing items, you could write a simple console application which will copy the items from one list to the other.
Make sure that you make use of the SPListItem.SystemUpdate Method.
Also, the following excerpt from an answer to the question Moving Documents from library to library deletes version history, how do you retain it? could be helpful for starting:
(...) We can get the “SPFile” and the “SPFileVersion” objects from the
original library and add them to another library one by one. After
copying a file or version, get the original custom property form the
source file or version and use the “SPListItem.SystemUpdate(false)”
method to update the target file or version. This workaround can
persist most of the properties except the “modified time” or “modified
by” field. (...)

How to create a File Upload with progress data?

I'm developing a web (using asp.net and c#) which has a FileUpload control from asp.net. The upload thing works perfect and as far as I know I can't show progress data (%, bytes transfered, upload speed, time elapsed, time left, progress bar) using the FileUpload control from asp.net because its not asyncrhonous.
I've searched a lot (really) on the internet and I didn't find what i'm looking for and too much info has become a big confusion since I'm not sure about what I have to use.
On my web page I have a file named "UploadFile.aspx" which has a FileUpload control and a button that handles the uploading. On code-behind (UploadFile.aspx.cs) I have all the server-side logic (Upload the file into specific folder, store info about that file into a database, etc. etc) and I don't want to change this.
What I need to know is how to show the progress data to the user while is uploading the file? I can't use 3rd party applications because this is for an important commercial site. It's not a problem for me if I have to learn javascript / jQuery / Whatever but really i'm a bit lost and I don't know how to start.
Thanks for your time and your help guys.

There's some pretty cool solutions out there. Granted, you can code your own, but I'd suggest using a jQuery plugin like Plupload. If you need help setting it up, you can read their documentation.

There are lots of lots of demo code are available on the net to show the progress bar with file upload control in c#, most of them work fine on Local system but never work on the live server, Because You CAN'T USE A FileUpload control for what you want to do. When a user POSTs a file, you have to think of it like a querystring parameter. It goes as one Http Request. If you want to do a progress bar you'll want to look into something that can interact with the server asynchronously.

If you don't want to use any 3rd party that relies on Flash / Html 5, please take a look at this article:
http://vanacosmin.ro/Articles/Read/AjaxFileUpload
This is possible (and if you're using .NET 4.5 GetBufferedInputStream will make your life easier), but it is not very easy, as you'll see.
Basically, if you want a file upload with progress bar that is fully compatible with every browser, you need to handle this server side and give an url where the client (the browser) can check periodically for the progress with ajax.

Rewriting URL based on who is logged in

Im looking for the best way to change the URL to pages based on who is logged on, the limitation is all the pages are PRE generated so the actual html will already be generated and cannot be generated again on a pr user basis.
Posible solutions
A posible solution might be to use javascript to basicly add to the end of all URL ?=MyUserName , but im unsure if this will work with all spiders ( By all i mean the major search engines). This solution feels a bit dirty to me..
There might also be some way of of when the request comes in to then basicly say that response is from Default.aspx=?Username with doing a response.Redirect?
Its also importent to remember i will be changing the cache settings based on this, like saying if your not logged in the page can be cached.

I'm not sure if you must use .html files or another specific extension, but you could always create your own handler and process what you want to do on every request that way. Your handler would determine who is accessing the page and then do a Response.Redirect (or whatever action is necessary).

Uploading a file from a C# desktop application to a PHP script?

I am looking to create a desktop application in C# which :
Allows the user to select a file / multiple files / folder containing files from his computer.
Upload the files selected to a PHP script (which is already equipped to handle file uploads using the $_FILES array.)
I'm a PHP developer and have never coded a single line of .NET before. So, you can assume I have no experience with .NET whatsoever.
I have looked this up online and all I seem to come up with are ASP.NET server side upload controls which i do not want. I'm looking for a client side solution. Also, will i have to make any changes in my PHP script ? The script already handles uploads from an HTML multipart form.
If anyone can help me point in the right direction of where to look, what C# controls are available which can help me create the application I need, I would really appreciate it.

The first, and simplest, way to go about this is to use any of the WebClient's UploadFile methods.
Here's some info an an example;
http://msdn.microsoft.com/en-us/library/36s52zhs.aspx
I have a feeling that this will not be enough for you, since you want to upload multiple files in a single request. The WebClient class can be used to manually build a http multipart request, which is probably your best bet.
It's a bit much to explain how to achieve this here on SO, but there are good guides out there.
Here are a couple of very to-the-point articles
http://www.codeproject.com/KB/cs/uploadfileex.aspx
http://www.codeproject.com/KB/IP/multipart_request_C_.aspx
And if you're interested in the details, or better OO design, here's an alternative (a bit harder to follow if you're not experienced with C#)
http://ferozedaud.blogspot.com/2010/03/multipart-form-upload-helper.html
I think both articles should give you enough info to get started.

Upload File to Website Using Save/As From Software Application

We all know that it is possible to "open" a Word document (or file from any arbitrary application) by clicking on a website link and then clicking the Open button.
I also know that, if I want to upload an application document to a web server, I must first save the document to my computer, and then go to an upload page, click a file/open button, find my saved file and upload it.
But is it possible to save a document to a website location or Url, effectively skipping the first save step and uploading the file to the web server through the Save dialog of the application, directly?
How would this be done in ASP.NET MVC?

It really depends on how complex you want to make it. This is pretty much what "web folders" offered (via WebDAV), but in general it creates more problems than it will ever fix. I don't recommend this approach.
Your best bet to make this simple is a dedicated client app - perhaps (although this is a dubious example) how Office talks to sharepoint. In a simpler example, you could create a silverlight out-of-browser application that saved via a web-service to a site using WCF or similar.

I think there is some creedence in what #Marc says. Personally I'd probably map a drive to the web site in question, if that's possible, and have a folder to upload to.
Then I'd have .Net check changes to the folder and take those files and import them into the repository, whatever that may be.
It's still an imperfect solution and I'm not sure there is a correct solution as yet.
I guess you could always write, and I can't believe I'm writing this, macros to save to the ftp location.

I'd guess you have a few choices, in no particular order:
Web service that the application can reference and upload through.
REST service (WCF or otherwise) that the application can POST to.
HttpHandler or MVC controller action that the application can POST to.
WebDAV directly to the server.
Number 3 sounds like it's closest to what you were looking for ("How would this be done in ASP.NET MVC?"). Scott Hanselman has a good article on handling file uploads in MVC on his blog.
When you implement the client, there's a little bit of a trick to that, too, since you can't just POST like usual; you have to post in multipart/form-data format. I posted a blog entry with some sample code on how to do that.