Is my invitation based file access authorization scheme worthwhile?


I need to allow users to upload files with sensitive data to a server,
then invite other authenticated users to access specific files.This is
my proposed solution:Each user will have his own folder to which he
uploads files, and the parent folder will have an .htaccess with deny
all to block direct access. (This already works well.)Then, an
invited user will get a generated SHA1 invitation id and the url will
be something like download/[sha1]/file and I can then use my
controller to check

In MVC3 we can restrict access to a Controller using the
[Authorize] attribute, specifying that the user must be in the
Administrator role to access any controller action in the class, like
in the following example...


[Authorize(Roles =
"Administrator")]
public class MyDefaultController :
Controller
{
// Controller code here
} />

However how to restrict acces to an entire Area in
MVC3 without specify the [Authorize] attribute for each Controller
class inside the Area?

Programming Languages

I'm trying to combine Ryan Bates' Beta invitations and Open id. The
way it is setup is so that signup form has hidden field, invitation
token that allows user to sign up. The invitation token is sent in
url: /signup/:invitation_token


However when I use open_id,
it redirects back to just /signup url without the invitation token.
How do I have it so that the token is still being pass after the
redirect. Here's the relevant code in open_id_authorization
plugin


def open_id_redirect_url(open_id_request,
return_to = nil, method = nil)

open_id_request.return_to_args['_method'] = (method ||
request.method).to_s
open_id_request.return_to_a
Programming Languages

A quick and (hopefully simple) question. What is the difference
between authorization scheme and authorization model?

Programming Languages

I have a system where employees can upload files. There are three
ways


Upload to my account in public, private or
protected mode
Upload to department account in public, private or
protected mode
Upload to organization account in public, private or
protected mode


where public is visible to anyone,
private to the group or person only and protected to anyone in the
organization.


All the files for an organization are stored
in a directory say, /files/<organizationId>/, on file server />like


files
+-- 234809
| +img1.jpg

| +doc1.pdf<

Development Tools & Services

I am developing a compiler for a language similar to Scheme, and am
reading through Dybvig's thesis. In it, he says that achieved most of
his performance gain by allocating call frames on the stack instead of
on the heap. There's several tricks that need to be done in order to
actually make this work in the presence of closures and continuations.


My question is where does this performance gain come
from? Is it purely because we put less strain on the garbage
collector?


Put another way: Assuming we have an infinite
amount of memory, would stack allocated call frames still be faster
than heap allocated call frames?

Programming Languages
I need to allow users to upload files with sensitive data to a server,
then invite other authenticated users to access specific files.This is
my proposed solution:Each user will have his own folder to which he
uploads files, and the parent folder will have an .htaccess with deny
all to block direct access. (This already works well.)Then, an
invited user will get a generated SHA1 invitation id and the url will
be something like download/[sha1]/file and I can then use my
controller to check
Information Security

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