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# frozen_string_literal: true
module Atlassian
module JiraConnect
module Jwt
class Symmetric
include Gitlab::Utils::StrongMemoize
CONTEXT_QSH_STRING = 'context-qsh'
def initialize(jwt)
@jwt = jwt
end
def iss_claim
jwt_headers['iss']
end
def sub_claim
jwt_headers['sub']
end
def valid?(shared_secret)
Atlassian::Jwt.decode(@jwt, shared_secret).present?
rescue JWT::DecodeError
false
end
def verify_qsh_claim(url_with_query, method, url)
qsh_claim == Atlassian::Jwt.create_query_string_hash(url_with_query, method, url)
rescue StandardError
false
end
def verify_context_qsh_claim
qsh_claim == CONTEXT_QSH_STRING
end
private
def qsh_claim
jwt_headers['qsh']
end
def jwt_headers
strong_memoize(:jwt_headers) do
Atlassian::Jwt.decode(@jwt, nil, false).first
rescue JWT::DecodeError
{}
end
end
end
end
end
end
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