94 lines
2.8 KiB
Ruby
94 lines
2.8 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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#
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# This class must have the following methods:
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#
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# *find_local_by_diaspora_handle*
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# This should return a +Person+, which is on this pod.
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#
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# *webfinger_hash*
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# This should return a +Hash+ with the followong informations:
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# {
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# acct_uri: "acct:user@server.example",
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# alias_url: "https://server.example/people/0123456789abcdef",
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# hcard_url: "https://server.example/hcard/users/0123456789abcdef",
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# seed_url: "https://server.example/",
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# profile_url: "https://server.example/u/user",
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# atom_url: "https://server.example/public/user.atom",
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# salmon_url: "https://server.example/receive/users/0123456789abcdef",
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# guid: "0123456789abcdef",
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# pubkey: "-----BEGIN PUBLIC KEY-----\nABCDEF==\n-----END PUBLIC KEY-----"
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# }
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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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# @raise [ConfigurationError] if the configuration is incomplete or invalid
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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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