Look at Google Caja, this does exactly what you describe. It's a very complicated problem.
On Wednesday, July 11, 2012, Angel Java Lopez wrote: > I presented a project (idea, no code yet) that needs that feature, too. > > Game server (as a service?) that accepts logic code from game tenants. > Another project needs something like this (it's like > https://github.com/ryanb/ruby-warrior/ ) > > So, thanks for the question, and for any answer! > > Angel "Java" Lopez > > On Wed, Jul 11, 2012 at 1:52 PM, Kevin O > <[email protected]<javascript:_e({}, 'cvml', '[email protected]');> > > wrote: > >> We are working on an app where we want to give users the ability to >> upload JS scripts to process their data in our app. >> >> Insane, right? :) Well we are going to do it in a sane way or not do it >> at all. We understand the risks. >> >> I want to take raw JS input from the user, generate an AST, >> cleanse/evaluate/mangle it, then "re-compile" to minified JS *only* when >> we know is safe. If the script is doing unsafe things, we'll return >> compiler errors. Our compiler needs to be able to limit the JS globals to a >> short "whitelist". i.e. stuff like eval() is not available within the >> script. >> >> Scripts will be run in our node app using vm.runInNewContext(). We will >> pass in a context object with the data that the user will be processing >> with their script. >> >> Has anyone done something like this? I have a small bit of code started >> using uglify but am wondering if there are some other projects or design >> ideas I can pluck from before getting to deep into the weeds. >> >> Thanks >> >> Kevin >> >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to >> [email protected]<javascript:_e({}, 'cvml', >> '[email protected]');> >> To unsubscribe from this group, send email to >> [email protected] <javascript:_e({}, 'cvml', >> 'nodejs%[email protected]');> >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to > [email protected]<javascript:_e({}, 'cvml', '[email protected]');> > To unsubscribe from this group, send email to > [email protected] <javascript:_e({}, 'cvml', > 'nodejs%[email protected]');> > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
