Class: AtomicTenant::DeploymentManager::AbstractAutoCreatePlatformGuidStrategy

Inherits:
DeploymentManagerStrategy show all
Defined in:
lib/atomic_tenant/deployment_manager/abstract_auto_create_platform_guid_strategy.rb

Constant Summary collapse

TRUSTED_ISSUERS = 
[
  %r|^https://canvas\.instructure\.com$|,
  %r|^https://[a-z0-9.-]+\.brightspace\.com$|,
  %r|^https://blackboard\.com$|,
].freeze

Instance Method Summary collapse

Instance Method Details

#call(decoded_id_token:) ⇒ Object 



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# File 'lib/atomic_tenant/deployment_manager/abstract_auto_create_platform_guid_strategy.rb', line 16

def call(decoded_id_token:)
  issuer = decoded_id_token["iss"]
  platform_guid = decoded_id_token.dig(AtomicLti::Definitions::TOOL_PLATFORM_CLAIM, "guid")
  target_link_uri = decoded_id_token[AtomicLti::Definitions::TARGET_LINK_URI_CLAIM]

  if !platform_guid.present? || !target_link_uri.present?
    return AtomicTenant::DeploymentManager::DeploymentStrategyResult.new()
  end

  uri = URI.parse(target_link_uri)
  application_key = uri.host&.split('.')&.first
  return AtomicTenant::DeploymentManager::DeploymentStrategyResult.new() if !application_key.present?

  app = Application.find_by(key: application_key)
  return AtomicTenant::DeploymentManager::DeploymentStrategyResult.new() if app.nil?

  if !TRUSTED_ISSUERS.any? { |pattern| issuer.match?(pattern) }
    existing_app_instance_count = AtomicTenant::LtiDeployment
      .joins(:application_instance)
      .where(
        iss: issuer,
        application_instances: { application_id: app.id },
      ).distinct.count(:application_instance_id)

    if existing_app_instance_count >= AtomicTenant.untrusted_iss_tenant_limit
      raise AtomicTenant::Exceptions::OnboardingException, "The issuer #{issuer} has reached the limit of #{AtomicTenant.untrusted_iss_tenant_limit} unique tenants for the application #{application_key}."
    end
  end

  site_url = extract_site_url(decoded_id_token)

  app_inst = find_application_instance(app, site_url, issuer, platform_guid)
  app_inst ||= maybe_create_application_instance(app, site_url, issuer, platform_guid)
  pin = pin_platform_guid(issuer, platform_guid, app.id, app_inst.id)
  AtomicTenant::DeploymentManager::DeploymentStrategyResult.new(application_instance_id: pin.application_instance_id)
end

#name ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/atomic_tenant/deployment_manager/abstract_auto_create_platform_guid_strategy.rb', line 12

def name
  raise NotImplementedError, "Subclasses must implement #name"
end