Class: WhatWeb::Matcher::GHDB

Inherits:
Base show all
Defined in:
lib/whatweb/matcher/ghdb.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#match, #target

Instance Method Summary collapse

Methods inherited from Base

#compiled_regexp, match?, #search_context

Constructor Details

#initialize(target, match) ⇒ GHDB

Returns a new instance of GHDB.



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# File 'lib/whatweb/matcher/ghdb.rb', line 7

def initialize(target, match)
  super(target, match)
  @query = match[:ghdb].to_s
end

Instance Attribute Details

#query ⇒ Object (readonly)

Returns the value of attribute query.



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# File 'lib/whatweb/matcher/ghdb.rb', line 6

def query
  @query
end

Instance Method Details

#match? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/whatweb/matcher/ghdb.rb', line 56

def match?
  matches = []
  # does it contain intitle?
  matches << match_intitle? if /intitle:/i.match?(query)
  matches << match_filetype? if /filetype:/i.match?(query)
  matches << match_inurl? if /inurl:/i.match?(query)
  matches << match_others?
  # if all matcbhes are true, then true
  matches.uniq == [true]
end

#match_filetype? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/whatweb/matcher/ghdb.rb', line 19

def match_filetype?
  filetype = (query.scan(/filetype:"([^"]*)"/i) + query.scan(/filetype:([^"]\w+)/i)).flatten.join("|")
  return false if filetype.empty?
  base_uri = target.uri.to_s.split("?").first
  base_uri.match? /#{Regexp.escape(filetype)}$/i
end

#match_intitle? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/whatweb/matcher/ghdb.rb', line 12

def match_intitle?
  # extract either the next word or the following words enclosed in "s, it can't possibly be both
  intitle = (query.scan(/intitle:"([^"]*)"/i) + query.scan(/intitle:([^"]\w+)/i)).flatten.join("|")
  return false if intitle.empty?
  target.body.match? /<title>[^<]*#{Regexp.escape(intitle)}[^<]*<\/title>/i
end

#match_inurl? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/whatweb/matcher/ghdb.rb', line 26

def match_inurl?
  inurl = (query.scan(/inurl:"([^"]*)"/i) + query.scan(/inurl:([^"]\w+)(\.*)(\w*)/i)).flatten
  return false if inurl.empty?
  # can occur multiple times.
  inurl.all? { |x| target.uri.to_s.match? /#{Regexp.escape(x)}/i }
end

#match_others? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/whatweb/matcher/ghdb.rb', line 41

def match_others?
  words = query_for_others.scan(/([^ "]+)|("[^"]+")/i).flatten.compact.each { |w| w.delete!('"') }.sort.uniq
  return false if words.empty?
  words.all? do |w|
    # does it start with a - ?
    if w[0] == '-'
      # reverse true/false if it begins with a -
      !target.text.match? /#{Regexp.escape(w[1..-1])}/i
    else
      w = w[1..-1] if w[0] == '+' # if it starts with +, ignore the 1st char
      target.text.match? /#{Regexp.escape(w)}/i
    end
  end
end

#query_for_others ⇒ Object 



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# File 'lib/whatweb/matcher/ghdb.rb', line 33

def query_for_others
  s = query
  s = s.gsub(/intitle:"([^"]*)"/i, '').gsub(/intitle:([^"]\w+)/i, '')
  s = s.gsub(/filetype:"([^"]*)"/i, '').gsub( /filetype:([^"]\w+)/i, '')
  s = s.gsub(/inurl:"([^"]*)"/i, '').gsub(/inurl:([^"]\w+)(\.*)(\w*)/i, '')
  s
end