52 lines
1.2 KiB
Ruby
52 lines
1.2 KiB
Ruby
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# frozen_string_literal: true
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module JiraConnect
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class CreateAsymmetricJwtService
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ARGUMENT_ERROR_MESSAGE = 'jira_connect_installation is not a proxy installation'
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def initialize(jira_connect_installation)
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raise ArgumentError, ARGUMENT_ERROR_MESSAGE unless jira_connect_installation.proxy?
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@jira_connect_installation = jira_connect_installation
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end
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def execute
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JWT.encode(jwt_claims, private_key, 'RS256', jwt_headers)
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end
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private
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def jwt_claims
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{ aud: aud_claim, iss: iss_claim, qsh: qsh_claim }
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end
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def aud_claim
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@jira_connect_installation.audience_url
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end
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def iss_claim
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@jira_connect_installation.client_key
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end
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def qsh_claim
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Atlassian::Jwt.create_query_string_hash(
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@jira_connect_installation.audience_installed_event_url,
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'POST',
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@jira_connect_installation.audience_url
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)
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end
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def private_key
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@private_key ||= OpenSSL::PKey::RSA.generate(3072)
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end
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def public_key_storage
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@public_key_storage ||= JiraConnect::PublicKey.create!(key: private_key.public_key)
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end
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def jwt_headers
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{ kid: public_key_storage.uuid }
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end
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end
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end
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