Class: Owasp::Esapi::Validator::FloatRule

Inherits:
BaseRule
  • Object
show all
Defined in:
lib/validator/float_rule.rb

Instance Attribute Summary collapse

Attributes inherited from BaseRule

#allow_nil, #encoder, #name

Instance Method Summary collapse

Methods inherited from BaseRule

#safe, #valid?, #validate, #whitelist

Constructor Details

#initialize(type, encoder = nil, min = nil, max = nil) ⇒ FloatRule

Returns a new instance of FloatRule.



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# File 'lib/validator/float_rule.rb', line 7

def initialize(type,encoder=nil,min=nil,max=nil)
  super(type,encoder)
  @min = min
  @max = max
  @min = Float::MIN if min.nil?
  @max = Float::MAX if max.nil?
end

Instance Attribute Details

#max ⇒ Object

Returns the value of attribute max.



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# File 'lib/validator/float_rule.rb', line 5

def max
  @max
end

#min ⇒ Object

Returns the value of attribute min.



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# File 'lib/validator/float_rule.rb', line 5

def min
  @min
end

Instance Method Details

#sanitize(context, input) ⇒ Object

This will call valid and return a 0 if its invalid



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# File 'lib/validator/float_rule.rb', line 65

def sanitize(context,input)
  result = 0
  begin
    result= valid(context,input)
  rescue ValidationException => e
  end
  result
end

#valid(context, input) ⇒ Object

Validate the input context as an integer



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# File 'lib/validator/float_rule.rb', line 16

def valid(context,input)
  if input.nil?
    if @allow_nil
      return nil
    end
    puts "::#{input}::"
    user = "#{context}: Input number required"
    log = "Input number required: context=#{context}, input=#{input}"
    raise Owasp::Esapi::ValidationException.new(user,log,context)
  end
  clean = @encoder.canonicalize(input)
  if @min > @max
    user = "#{context}: Invalid number input: context"
    log = "Validation parameter error for number: maxValue ( #{max}) must be greater than minValue ( #{min}) for #{context}"
    raise Owasp::Esapi::ValidationException.new(user,log,context)
  end
  begin
    user = "Invalid number input must be between #{min} and #{max}: context=#{context}"
    log = "Invalid number input must be between #{min} and #{max}: context=#{context}, input=#{input}"
    i = Float(clean)
    #check min
    if i < @min
      raise Owasp::Esapi::ValidationException.new(user,log,context)
    end
    # check max
    if i > @max
      raise Owasp::Esapi::ValidationException.new(user,log,context)
    end
    # check infinity
    if i.infinite?
      user = "#{context}: Invalid number input: context"
      log = "Invalid double input is infinite context=#{context} input=#{input}"
      raise Owasp::Esapi::ValidationException.new(user,log,context)
    end
    # checknan
    if i.nan?
      user = "#{context}: Invalid number input: context"
      log = "Invalid double input not a number context=#{context} input=#{input}"
      raise Owasp::Esapi::ValidationException.new(user,log,context)
    end
    return i
  rescue Exception => e
    user = "#{context}: Input number required"
    log = "Input number required: context=#{context}, input=#{input}"
    raise Owasp::Esapi::ValidationException.new(user,log,context)
  end
end