Class: Linzer::Message

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request_data) ⇒ Message

Returns a new instance of Message.



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# File 'lib/linzer/message.rb', line 5

def initialize(request_data)
  @headers = Hash(request_data[:headers].clone).freeze
  @http    = Hash(request_data[:http].clone).freeze
  freeze
end

Class Method Details

.parse_structured_dictionary(str, field_name = nil) ⇒ Object 



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# File 'lib/linzer/message.rb', line 50

def parse_structured_dictionary(str, field_name = nil)
  Starry.parse_dictionary(str)
rescue Starry::ParseError => _
  raise Error.new "Cannot parse \"#{field_name}\" field. Bailing out!"
end

Instance Method Details

#[](field_name) ⇒ Object 



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# File 'lib/linzer/message.rb', line 23

def [](field_name)
  return @headers[field_name] if !field_name.start_with?("@")

  case field_name
  when "@method"    then @http["method"]
  when "@authority" then @http["host"]
  when "@path"      then @http["path"]
  else # XXX: improve this and add support for all fields in the RFC
    raise Error.new "Unknown/unsupported field: \"#{field_name}\""
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linzer/message.rb', line 11

def empty?
  @headers.empty?
end

#field?(f) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linzer/message.rb', line 19

def field?(f)
  !!self[f]
end

#header?(header) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linzer/message.rb', line 15

def header?(header)
  @headers.key?(header)
end

#signature_base(components, parameters) ⇒ Object 



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# File 'lib/linzer/message.rb', line 35

def signature_base(components, parameters)
  validate_components components

  signature_base = components.each_with_object(+"") do |comp, base|
    base << "\"#{comp}\": #{self[comp]}\n"
  end

  signature_params =
    Starry.serialize([Starry::InnerList.new(components, parameters)])

  signature_base << "\"@signature-params\": #{signature_params}"
  signature_base
end