Class: Watobo::Interceptor::CarverRule

Inherits:
Object
  • Object
show all
Defined in:
lib/watobo/core/intercept_carver.rb

Instance Method Summary collapse

Constructor Details

#initialize(parms) ⇒ CarverRule 



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# File 'lib/watobo/core/intercept_carver.rb', line 116

def initialize(parms)
  @settings = Hash.new
  [:action, :location, :pattern, :content, :filter].each do |k|
    @settings[k] = parms[k]
  end

end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object (private) 



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# File 'lib/watobo/core/intercept_carver.rb', line 126

def method_missing(name, *args, &block)
  # puts "* instance method missing (#{name})"
  @settings.has_key? name.to_sym || super
  @settings[name.to_sym]
end

Instance Method Details

#action_name ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 5

def action_name
  action.to_s
end

#apply(item, flags) ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 88

def apply(item, flags)
  begin
    unless filter.nil?
    return false unless filter.match?(item, flags)
    end
    res = case action
    when :flag
      puts "set flag >> #{content} (#{content.class})"
      flags << :request
      true
    when :inject
      inject_content(item, location, pattern, content)
    when :rewrite
      puts "REWRITE"
      puts "Location: #{location}"
      puts "Pattern: #{pattern}"
     # puts "Content: #{content}"
      rewrite(item, location, pattern, content)
    else
      true
    end
    return res
  rescue => bang
    puts bang
    puts bang.backtrace
  end
end

#content_name ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 33

def content_name
  content
end

#filter_name ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 17

def filter_name
  # return "NA" if filter.nil?
  return filter.class.to_s
end

#filters ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 28

def filters
  return [] unless filter.respond_to? :list
  filter.list
end

#location_name ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 9

def location_name
  location.to_s
end

#pattern_name ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 13

def pattern_name
  Regexp.quote pattern
end

#rewrite(item, l, p, c) ⇒ Object

rewrite options item location pattern content



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# File 'lib/watobo/core/intercept_carver.rb', line 43

def rewrite(item, l, p, c)
  res = false
  case l
  when :replace_all
    if File.exist? c
      begin
       item.replace Watobo::Utils.string2response(File.open(c,"rb").read)              
      rescue => bang
        puts bang
        puts bang.backtrace
      end
    else
      puts "Could not find file > #{c}"
    end
    
  when :body
    if item.respond_to? :body
      if p.upcase == :ALL
      res = item.replace_body(c)
      else
        puts "* rewrite body ..."
      res = item.rewrite_body(p,c)
      end
    end
  when :http_parm
    1
  when :cookie
    1
  when :url
    if item.respond_to? :url
      item.first.gsub!(/#{p}/, c)
    end
  when :header
    puts "REPLACE HEADER"
    item.each_with_index do |line, index|
      if line =~ /#{p}/
        item[index] = "#{c.strip}\r\n"
      end
      break if line.strip.empty?
    end
    res = item  
  end
  res
end

#set_filter(filter_chain) ⇒ Object 



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# File 'lib/watobo/core/intercept_carver.rb', line 22

def set_filter(filter_chain)
  puts "* set filter_chain"
  puts filter_chain.class
  @settings[:filter] = filter_chain
end