Ruby Fiddle: Ruby Snippets in the Browser

Re:Ruby Fiddle: Ruby Snippets in the Browser by huk on Thursday June 14, 2012 @09:54AM (#4111327)

Is there any security mechanism, which not allow execute external commands (for example `rm -Rf *`)?

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Re:Ruby Fiddle: Ruby Snippets in the Browser by jwo on Thursday June 14, 2012 @10:07AM (#4111382)

Heroku provides a read-only file system on their Bamboo stack, and a "scratch-pad" file system on their Cedar stack where changes are thrown away after the web request finishes.

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Re:Ruby Fiddle: Ruby Snippets in the Browser by huk on Thursday June 14, 2012 @10:08AM (#4111392)

Thanks, I didn't know that.

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Re:Ruby Fiddle: Ruby Snippets in the Browser by KevinSjoberg on Thursday June 14, 2012 @10:06AM (#4111380)

I guess the user account has restricted access in what commands are available.

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Re:Ruby Fiddle: Ruby Snippets in the Browser by jevans on Thursday June 14, 2012 @12:26PM (#4112100)

exec('sudo cat /etc/shadow') => RestrictedCodeException System Calls disabled

Also, while File.read('/etc/passwd') works, at least File.read('/etc/shadow') doesn't.

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