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# frozen_string_literal: true
module JWT
module JWK
# Base for JWK implementations
class KeyBase
def self.inherited(klass)
super
::JWT::JWK.classes << klass
end
def initialize(options, params = {})
options ||= {}
@parameters = params.transform_keys(&:to_sym) # Uniform interface
# For backwards compatibility, kid_generator may be specified in the parameters
options[:kid_generator] ||= @parameters.delete(:kid_generator)
# Make sure the key has a kid
kid_generator = options[:kid_generator] || ::JWT.configuration.jwk.kid_generator
self[:kid] ||= kid_generator.new(self).generate
end
def kid
self[:kid]
end
def hash
self[:kid].hash
end
def [](key)
@parameters[key.to_sym]
end
def []=(key, value)
@parameters[key.to_sym] = value
end
def ==(other)
other.is_a?(::JWT::JWK::KeyBase) && self[:kid] == other[:kid]
end
def verify(**kwargs)
jwa.verify(**kwargs, verification_key: verify_key)
end
def sign(**kwargs)
jwa.sign(**kwargs, signing_key: signing_key)
end
alias eql? ==
def <=>(other)
return nil unless other.is_a?(::JWT::JWK::KeyBase)
self[:kid] <=> other[:kid]
end
def jwa
raise JWT::JWKError, 'Could not resolve the JWA, the "alg" parameter is missing' unless self[:alg]
JWA.resolve(self[:alg]).tap do |jwa|
raise JWT::JWKError, 'none algorithm usage not supported via JWK' if jwa.is_a?(JWA::None)
end
end
attr_reader :parameters
end
end
end
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