74 lines
1.9 KiB
Ruby
74 lines
1.9 KiB
Ruby
require "diaspora_federation/engine"
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require "diaspora_federation/logging"
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require "diaspora_federation/web_finger"
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##
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# diaspora* federation rails engine
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module DiasporaFederation
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extend Logging
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class << self
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##
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# the pod url
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#
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# Example:
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# config.server_uri = URI("http://localhost:3000/")
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# or
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# config.server_uri = AppConfig.pod_uri
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attr_accessor :server_uri
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##
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# the class to use as person.
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#
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# Example:
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# config.person_class = Person.to_s
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attr_accessor :person_class
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def person_class
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const_get(@person_class)
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end
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##
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# configure the federation engine
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#
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# DiasporaFederation.configure do |config|
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# config.server_uri = "http://localhost:3000/"
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# end
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def configure
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yield self
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end
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##
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# validates if the engine is configured correctly
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#
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# called from after_initialize
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def validate_config
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raise ConfigurationError, "missing server_uri" unless @server_uri.respond_to? :host
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validate_class(@person_class, "person_class", %i(
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find_local_by_diaspora_handle
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webfinger_hash
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))
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logger.info "successfully configured the federation engine"
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end
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private
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def validate_class(klass, name, methods)
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raise ConfigurationError, "missing #{name}" unless klass
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entity = const_get(klass)
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return logger.warn "table for #{entity} doesn't exist, skip validation" unless entity.table_exists?
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methods.each {|method| entity_respond_to?(entity, method) }
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end
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def entity_respond_to?(entity, method)
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valid = entity.respond_to?(method) || entity.column_names.include?(method.to_s) || entity.method_defined?(method)
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raise ConfigurationError, "the configured class #{entity} for #{name} doesn't respond to #{method}" unless valid
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end
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end
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# raised, if the engine is not configured correctly
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class ConfigurationError < RuntimeError
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end
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end
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