0bfda88a46
git-svn-id: https://beef.googlecode.com/svn/trunk@521 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
96 lines
3.4 KiB
Ruby
96 lines
3.4 KiB
Ruby
module BeEF
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#
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# Handle HTTP requests and call the relevant functions in the derived classes
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#
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class HttpController
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attr_accessor :headers, :status, :body, :paths, :currentuser, :params
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C = BeEF::Models::Command
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CM = BeEF::Models::CommandModule
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Z = BeEF::Models::Zombie
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#
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# Class constructor. Takes data from the child class and populates itself with it.
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#
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def initialize(data = {})
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@erubis = nil
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@status = 200 if data['status'].nil?
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@headers = {'Content-Type' => 'text/html; charset=UTF-8'} if data['headers'].nil?
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if data['paths'].nil? and self.methods.include? "index"
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@paths = {'index' => '/'}
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else
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@paths = data['paths']
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end
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end
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#
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# Handle HTTP requests and call the relevant functions in the derived classes
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#
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def run(request, response)
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@request = request
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@params = request.query
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@session = BeEF::UI::Session.instance
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auth_url = '/ui/authentication'
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# test if session is unauth'd and whether the auth functionality is requested
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if not @session.valid_session?(@request) and not self.class.eql?(BeEF::UI::Authentication)
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@body = page_redirect(auth_url) # redirect to auth page
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return
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end
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# get the mapped function (if it exists) from the derived class
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path = request.path_info
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raise WEBrick::HTTPStatus::BadRequest, "path is invalid" if not Filter::is_valid_path_info?(path)
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function = @paths[path] || @paths[path + '/'] # check hash for '<path>' and '<path>/'
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raise WEBrick::HTTPStatus::BadRequest, "path does not exist" if function.nil?
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# call the relevant mapped function
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function.call
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# build the template filename and apply it - if the file exists
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function_name = function.name # used for filename
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class_s = self.class.to_s.sub('BeEF::UI::', '').downcase # used for directory name
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template_ui = "#{$root_dir}/lib/ui/#{class_s}/#{function_name}.html"
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@eruby = Erubis::FastEruby.new(File.read(template_ui)) if File.exists? template_ui # load the template file
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@body = @eruby.result(binding()) if not @eruby.nil? # apply template and set the response
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# set content type
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if @headers['Content-Type'].nil?
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@headers['Content-Type']='text/html; charset=UTF-8' # default content and charset type for all pages
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@headers['Content-Type']='application/json; charset=UTF-8' if request.path =~ /.json$/
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end
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end
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# Constructs a redirect page
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def page_redirect(location) "<html><head></head><body>" + script_redirect(location) + "</body>" end
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# Constructs a redirect script
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def script_redirect(location) "<script> document.location=\"#{location}\"</script>" end
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# Constructs a html script tag
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def script_tag(filename) "<script src=\"#{$url}/ui/public/javascript/#{filename}\" type=\"text/javascript\"></script>" end
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# Constructs a html stylesheet tag
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def stylesheet_tag(filename) "<link rel=\"stylesheet\" href=\"#{$url}/ui/public/css/#{filename}\" type=\"text/css\" />" end
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# Constructs a hidden html nonce tag
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def nonce_tag
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@session = BeEF::UI::Session.instance
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"<input type=\"hidden\" name=\"nonce\" id=\"nonce\" value=\"" + @session.get_nonce + "\"/>"
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end
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private
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@eruby
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# Unescapes a URL-encoded string.
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def unescape(s); s.tr('+', ' ').gsub(/%([\da-f]{2})/in){[$1].pack('H*')} end
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end
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end |