Module: Legion::Rbac::Routes

Defined in:
lib/legion/rbac/routes.rb

Defined Under Namespace

Classes: InvalidTimestamp

Constant Summary collapse

DEFAULT_COLLECTION_LIMIT = 
100
MAX_COLLECTION_LIMIT = 
500

Class Method Summary collapse

Class Method Details

.register_assignments(app) ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/legion/rbac/routes.rb', line 171

def self.register_assignments(app) # rubocop:disable Metrics/AbcSize
  app.get '/api/rbac/assignments' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    dataset = Legion::Data::Model::RbacRoleAssignment.order(:id)
    dataset = dataset.where(team: params[:team]) if params[:team]
    dataset = dataset.where(role: params[:role]) if params[:role]
    dataset = dataset.where(principal_id: params[:principal]) if params[:principal]
    json_collection(dataset)
  end

  app.post '/api/rbac/assignments' do
    Legion::Logging.debug "API: POST /api/rbac/assignments params=#{params.keys}"
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    body = parse_request_body
    record = Legion::Data::Model::RbacRoleAssignment.create(
      principal_type: body[:principal_type] || 'human',
      principal_id:   body[:principal_id],
      role:           body[:role],
      team:           body[:team],
      granted_by:     current_owner_msid || 'api',
      expires_at:     parse_optional_time(body[:expires_at], field: 'expires_at')
    )
    Legion::Logging.info "API: created RBAC assignment #{record.id} role=#{body[:role]} principal=#{body[:principal_id]}"
    emit_rbac_policy_changed('assignment.created', 'role_assignment', record.values)
    json_response(record.values, status_code: 201)
  rescue Legion::Rbac::Routes::InvalidTimestamp => e
    json_error('validation_error', e.message, status_code: 422)
  rescue Sequel::ValidationFailed => e
    Legion::Logging.warn "API POST /api/rbac/assignments returned 422: #{e.message}"
    json_error('validation_error', e.message, status_code: 422)
  end

  app.delete '/api/rbac/assignments/:id' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    record = Legion::Data::Model::RbacRoleAssignment[params[:id].to_i]
    halt 404, json_error('not_found', 'Assignment not found', status_code: 404) unless record

    snapshot = record.values.dup
    record.destroy
    Legion::Logging.info "API: deleted RBAC assignment #{params[:id]}"
    emit_rbac_policy_changed('assignment.deleted', 'role_assignment', snapshot)
    json_response({ deleted: true })
  end
end

.register_check(app) ⇒ Object 



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# File 'lib/legion/rbac/routes.rb', line 147

def self.register_check(app)
  app.post '/api/rbac/check' do
    Legion::Logging.debug "API: POST /api/rbac/check params=#{params.keys}"
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)

    body = parse_request_body
    principal = Legion::Rbac::Principal.new(
      id:    body[:principal] || 'anonymous',
      roles: body[:roles] || [],
      team:  body[:team]
    )
    result = Legion::Rbac::PolicyEngine.evaluate(
      principal: principal,
      action:    body[:action] || 'read',
      resource:  body[:resource] || '*',
      enforce:   false
    )
    json_response(result)
  rescue StandardError => e
    Legion::Logging.error "API POST /api/rbac/check: #{e.class} — #{e.message}"
    json_error('rbac_error', e.message, status_code: 500)
  end
end

.register_cross_team_grants(app) ⇒ Object 



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# File 'lib/legion/rbac/routes.rb', line 267

def self.register_cross_team_grants(app)
  app.get '/api/rbac/grants/cross-team' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    dataset = Legion::Data::Model::RbacCrossTeamGrant.order(:id)
    json_collection(dataset)
  end

  app.post '/api/rbac/grants/cross-team' do
    Legion::Logging.debug "API: POST /api/rbac/grants/cross-team params=#{params.keys}"
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    body = parse_request_body
    record = Legion::Data::Model::RbacCrossTeamGrant.create(
      source_team:    body[:source_team],
      target_team:    body[:target_team],
      runner_pattern: body[:runner_pattern],
      actions:        Array(body[:actions]).join(','),
      granted_by:     current_owner_msid || 'api',
      expires_at:     parse_optional_time(body[:expires_at], field: 'expires_at')
    )
    Legion::Logging.info "API: created cross-team RBAC grant #{record.id} #{body[:source_team]}->#{body[:target_team]}"
    emit_rbac_policy_changed('cross_team_grant.created', 'cross_team_grant', record.values)
    json_response(record.values, status_code: 201)
  rescue Legion::Rbac::Routes::InvalidTimestamp => e
    json_error('validation_error', e.message, status_code: 422)
  rescue Sequel::ValidationFailed => e
    Legion::Logging.warn "API POST /api/rbac/grants/cross-team returned 422: #{e.message}"
    json_error('validation_error', e.message, status_code: 422)
  end

  app.delete '/api/rbac/grants/cross-team/:id' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    record = Legion::Data::Model::RbacCrossTeamGrant[params[:id].to_i]
    halt 404, json_error('not_found', 'Grant not found', status_code: 404) unless record

    snapshot = record.values.dup
    record.destroy
    Legion::Logging.info "API: deleted cross-team RBAC grant #{params[:id]}"
    emit_rbac_policy_changed('cross_team_grant.deleted', 'cross_team_grant', snapshot)
    json_response({ deleted: true })
  end
end

.register_grants(app) ⇒ Object 



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# File 'lib/legion/rbac/routes.rb', line 222

def self.register_grants(app)
  app.get '/api/rbac/grants' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    dataset = Legion::Data::Model::RbacRunnerGrant.order(:id)
    dataset = dataset.where(team: params[:team]) if params[:team]
    json_collection(dataset)
  end

  app.post '/api/rbac/grants' do
    Legion::Logging.debug "API: POST /api/rbac/grants params=#{params.keys}"
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    body = parse_request_body
    record = Legion::Data::Model::RbacRunnerGrant.create(
      team:           body[:team],
      runner_pattern: body[:runner_pattern],
      actions:        Array(body[:actions]).join(','),
      granted_by:     current_owner_msid || 'api'
    )
    Legion::Logging.info "API: created RBAC grant #{record.id} team=#{body[:team]} pattern=#{body[:runner_pattern]}"
    emit_rbac_policy_changed('runner_grant.created', 'runner_grant', record.values)
    json_response(record.values, status_code: 201)
  rescue Sequel::ValidationFailed => e
    Legion::Logging.warn "API POST /api/rbac/grants returned 422: #{e.message}"
    json_error('validation_error', e.message, status_code: 422)
  end

  app.delete '/api/rbac/grants/:id' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)
    return json_error('db_unavailable', 'legion-data not connected', status_code: 503) unless Legion::Rbac::Store.db_available?

    record = Legion::Data::Model::RbacRunnerGrant[params[:id].to_i]
    halt 404, json_error('not_found', 'Grant not found', status_code: 404) unless record

    snapshot = record.values.dup
    record.destroy
    Legion::Logging.info "API: deleted RBAC grant #{params[:id]}"
    emit_rbac_policy_changed('runner_grant.deleted', 'runner_grant', snapshot)
    json_response({ deleted: true })
  end
end

.register_helpers(app) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity



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# File 'lib/legion/rbac/routes.rb', line 29

def self.register_helpers(app) # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity
  app.helpers do # rubocop:disable Metrics/BlockLength
    unless method_defined?(:parse_request_body)
      define_method(:parse_request_body) do
        raw = request.body.read
        return {} if raw.nil? || raw.empty?

        begin
          parsed = Legion::JSON.load(raw)
        rescue StandardError
          halt 400, { 'Content-Type' => 'application/json' },
               Legion::JSON.dump({ error: { code: 'invalid_json', message: 'request body is not valid JSON' } })
        end

        unless parsed.respond_to?(:transform_keys)
          halt 400, { 'Content-Type' => 'application/json' },
               Legion::JSON.dump({ error: { code:    'invalid_request_body',
                                            message: 'request body must be a JSON object' } })
        end

        parsed.transform_keys(&:to_sym)
      end
    end

    unless method_defined?(:json_response)
      define_method(:json_response) do |data, status_code: 200|
        content_type :json
        status status_code
        Legion::JSON.dump({ data: data })
      end
    end

    unless method_defined?(:json_error)
      define_method(:json_error) do |code, message, status_code: 400|
        content_type :json
        status status_code
        Legion::JSON.dump({ error: { code: code, message: message } })
      end
    end

    unless method_defined?(:json_collection)
      define_method(:json_collection) do |dataset|
        content_type :json
        Legion::JSON.dump(Legion::Rbac::Routes.send(:collection_payload, dataset, params))
      end
    end

    unless method_defined?(:current_owner_msid)
      define_method(:current_owner_msid) do
        env['legion.owner_msid']
      end
    end

    unless method_defined?(:current_rbac_actor_id)
      define_method(:current_rbac_actor_id) do
        current_owner_msid || env['legion.principal']&.id || 'api'
      end
    end

    unless method_defined?(:rbac_request_correlation_id)
      define_method(:rbac_request_correlation_id) do
        Legion::Rbac::Routes.send(:request_correlation_id, env)
      end
    end

    unless method_defined?(:rbac_request_source)
      define_method(:rbac_request_source) do
        Legion::Rbac::Routes.send(:request_source, env)
      end
    end

    unless method_defined?(:emit_rbac_policy_changed)
      define_method(:emit_rbac_policy_changed) do |change_type, target_type, record_values|
        Legion::Rbac::Routes.send(
          :emit_policy_changed,
          change_type:   change_type,
          target_type:   target_type,
          record_values: record_values,
          context:       Legion::Rbac::Routes.send(
            :policy_change_context,
            actor_id:       current_rbac_actor_id,
            source:         rbac_request_source,
            correlation_id: rbac_request_correlation_id,
            method:         request.request_method,
            path:           request.path_info
          )
        )
      end
    end
  end
end

.register_roles(app) ⇒ Object 



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# File 'lib/legion/rbac/routes.rb', line 121

def self.register_roles(app)
  app.get '/api/rbac/roles' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)

    roles = Legion::Rbac.role_index.transform_values do |role|
      { name: role.name, description: role.description, cross_team: role.cross_team? }
    end
    json_response(roles)
  end

  app.get '/api/rbac/roles/:name' do
    return json_error('rbac_unavailable', 'legion-rbac not installed', status_code: 501) unless defined?(Legion::Rbac)

    role = Legion::Rbac.role_index[params[:name].to_sym]
    halt 404, json_error('not_found', "Role #{params[:name]} not found", status_code: 404) unless role

    json_response({
                    name:        role.name,
                    description: role.description,
                    cross_team:  role.cross_team?,
                    permissions: role.permissions.map { |p| { resource: p.resource_pattern, actions: p.actions } },
                    deny_rules:  role.deny_rules.map { |d| { resource: d.resource_pattern, above_level: d.above_level } }
                  })
  end
end

.registered(app) ⇒ Object 



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# File 'lib/legion/rbac/routes.rb', line 20

def self.registered(app)
  register_helpers(app)
  register_roles(app)
  register_check(app)
  register_assignments(app)
  register_grants(app)
  register_cross_team_grants(app)
end