Class: XriResolver::ParseInputParameters

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}, accept_headers = "") ⇒ ParseInputParameters

Returns a new instance of ParseInputParameters.



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# File 'lib/xri_resolver.rb', line 999

def initialize(params={}, accept_headers="")
  if params.instance_of?(Hash)
    symparams = Hash.new
    params.each { |k,v| symparams[k.to_sym] = v }
    params = symparams
  end
  param_inputs = parse_query_params(params)
  header_inputs = parse_accept_headers(accept_headers)
  
  unless is_blank?(param_inputs[:res_media_type])
    @resolution_media_type = param_inputs[:res_media_type]
    @uric = has_true_value?(param_inputs[:uric]) ? true : false
    @sep = has_true_value?(param_inputs[:sep]) ? true : false
    @cid = has_false_value?(param_inputs[:cid]) ? false : true
    @nodefault_p = has_true_value?(param_inputs[:nodefault_p]) ? true : false
    @nodefault_t = has_true_value?(param_inputs[:nodefault_t]) ? true : false
    @nodefault_m = has_true_value?(param_inputs[:nodefault_m]) ? true : false
    @refs = has_false_value?(param_inputs[:refs]) ? 'false' : 'true'
    @https = has_true_value?(param_inputs[:https]) ? true : false
    @saml = has_true_value?(param_inputs[:saml]) ? true : false
  else
    @resolution_media_type = header_inputs[:res_media_type]
    @uric = has_true_value?(header_inputs[:uric]) ? true : false
    @sep = has_true_value?(header_inputs[:sep]) ? true : false
    @cid = has_false_value?(header_inputs[:cid]) ? false : true
    @nodefault_p = has_true_value?(header_inputs[:nodefault_p]) ? true : false
    @nodefault_t = has_true_value?(header_inputs[:nodefault_t]) ? true : false
    @nodefault_m = has_true_value?(header_inputs[:nodefault_m]) ? true : false
    @refs = has_false_value?(header_inputs[:refs]) ? 'false' : 'true'
    @https = has_true_value?(header_inputs[:https]) ? true : false
    @saml = has_true_value?(header_inputs[:saml]) ? true : false
  end
  
  @service_media_type = param_inputs[:service_media_type]
  @service_type = param_inputs[:service_type]
  
  ## force sep=true if RMT is text/uri-list or unspecified
  @sep = true if @resolution_media_type == 'text/uri-list' or is_blank?(@resolution_media_type)
end

Instance Attribute Details

#cid ⇒ Object

Returns the value of attribute cid.



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# File 'lib/xri_resolver.rb', line 987

def cid
  @cid
end

#https ⇒ Object

Returns the value of attribute https.



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# File 'lib/xri_resolver.rb', line 987

def https
  @https
end

#nodefault_m ⇒ Object

Returns the value of attribute nodefault_m.



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# File 'lib/xri_resolver.rb', line 987

def nodefault_m
  @nodefault_m
end

#nodefault_p ⇒ Object

Returns the value of attribute nodefault_p.



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# File 'lib/xri_resolver.rb', line 987

def nodefault_p
  @nodefault_p
end

#nodefault_t ⇒ Object

Returns the value of attribute nodefault_t.



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# File 'lib/xri_resolver.rb', line 987

def nodefault_t
  @nodefault_t
end

#refs ⇒ Object

Returns the value of attribute refs.



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# File 'lib/xri_resolver.rb', line 987

def refs
  @refs
end

#resolution_media_type ⇒ Object

Returns the value of attribute resolution_media_type.



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# File 'lib/xri_resolver.rb', line 987

def resolution_media_type
  @resolution_media_type
end

#saml ⇒ Object

Returns the value of attribute saml.



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# File 'lib/xri_resolver.rb', line 987

def saml
  @saml
end

#sep ⇒ Object

Returns the value of attribute sep.



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# File 'lib/xri_resolver.rb', line 987

def sep
  @sep
end

#service_media_type ⇒ Object

Returns the value of attribute service_media_type.



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# File 'lib/xri_resolver.rb', line 987

def service_media_type
  @service_media_type
end

#service_type ⇒ Object

Returns the value of attribute service_type.



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# File 'lib/xri_resolver.rb', line 987

def service_type
  @service_type
end

#uric ⇒ Object

Returns the value of attribute uric.



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# File 'lib/xri_resolver.rb', line 987

def uric
  @uric
end

Instance Method Details

#has_false_value?(test) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xri_resolver.rb', line 1087

def has_false_value?(test)
  test == 'false' or test == '0'
end

#has_true_value?(test) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xri_resolver.rb', line 1083

def has_true_value?(test)
  test == 'true' or test == '1'
end

#is_blank?(test) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xri_resolver.rb', line 1091

def is_blank?(test)
  test.empty? or test =~ /\A\s*\z/
end

#parse_accept_headers(accept_headers) ⇒ Object 



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# File 'lib/xri_resolver.rb', line 1065

def parse_accept_headers(accept_headers)
  valid_headers = ['application/xrds+xml', 'application/xrd+xml', 'text/uri-list']
  res_inputs = {:res_media_type => ""}
  headers = accept_headers.split(',').map {|h| h.strip}
  headers.each do |hdr|
    hdr_parts = hdr.split(';')
    if valid_headers.include?(hdr_parts.first)
      res_inputs[:res_media_type] = hdr_parts.shift
      hdr_parts.each do |part|
        k,v = part.downcase.split('=')
        res_inputs["#{k}".to_sym] = v unless is_blank?(k)
      end
      break
    end
  end
  res_inputs
end

#parse_query_params(params) ⇒ Object 



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# File 'lib/xri_resolver.rb', line 1039

def parse_query_params(params)
  ## remove any extra leading "?"s
  params.each do |k,v|
    if k =~ /^[\?]+(.*)$/
      params.delete(k)
      params[$1] = v
    end
  end
  inputs = {:res_media_type => ""}
  ## get Resolution Media type
  if params.has_key?(:_xrd_r)
    parsedrof = params[:_xrd_r].split(';') rescue []
    inputs[:res_media_type] = parsedrof.shift.tr(' ', '+') rescue ''
    parsedrof.each do |part|
      k,v = part.downcase.split('=')
      inputs["#{k}".to_sym] = v unless is_blank?(k)
    end
  end
  ## get Service Type selection element
  inputs[:service_type] = (params.has_key?(:_xrd_t)) ? params[:_xrd_t].tr(' ', '+') : nil
  ## get Service Media Type selection element
  inputs[:service_media_type] = (params.has_key?(:_xrd_m)) ? params[:_xrd_m].tr(' ', '+') : nil
  
  inputs
end