Class: GitAclShell::Shell

Inherits:
Object
  • Object
show all
Defined in:
lib/git_acl_shell/shell.rb

Constant Summary collapse

COMMAND_WHITELIST =

See git-scm.com/docs/git-shell#_commands

(git push)       (git fetch)     (git archive)

%w(git-receive-pack git-upload-pack git-upload-archive).freeze

Instance Method Summary collapse

Constructor Details

#initialize(key_id, acl:, directory:, kernel: Kernel, stderr: $stderr) ⇒ Shell 



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# File 'lib/git_acl_shell/shell.rb', line 10

def initialize(key_id, acl:, directory:, kernel: Kernel, stderr: $stderr)
  @key_id    = key_id
  @acl       = acl
  @directory = directory
  @kernel    = kernel
  @stderr    = stderr
end

Instance Method Details

#exec(command) ⇒ Object 



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# File 'lib/git_acl_shell/shell.rb', line 18

def exec(command)
  if command.nil?
    @stderr.puts("OH HAI! U HAS LOGGD IN BUT WE DOAN PROVIDE SHELL ACCES. KTHXBAI!")
    return false
  end

  args = Shellwords.shellwords(command)
  if whitelist?(args)
    repo_path = args.pop
    repo_extension = File.extname(repo_path)
    repo_alias = File.basename(repo_path, repo_extension)

    begin
      repo_name = @directory.lookup(repo_alias)
      repo_path = File.join(File.dirname(repo_path), "#{repo_name}#{repo_extension}")
      args.push(repo_path)
    rescue UnknownAlias
      @stderr.puts("Not found")
      return false
    end

    if @acl.authorized?(@key_id, repo_name)
      @kernel.exec(*args)
      true
    else
      @stderr.puts("You've successfully authenticated, but you don't have access to this repo")
      false
    end
  else
    @stderr.puts("OH HAI! I CAN ONLY HALP U WIF GIT COMMANDZ, SRY! KTHXBAI!")
    false
  end
end