8cf7006d4e
* Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService ActivityPub::FetchRemoteAccountService is kept as a wrapper for when the actor is specifically required to be an Account * Refactor SignatureVerification to allow non-Account actors * fixup! Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService * Refactor ActivityPub::FetchRemoteKeyService to potentially return non-Account actors * Refactor inbound ActivityPub payload processing to accept non-Account actors * Refactor inbound ActivityPub processing to accept activities relayed through non-Account * Refactor how Account key URIs are built * Refactor Request and drop unused key_id_format parameter * Rename ActivityPub::Dereferencer `signature_account` to `signature_actor`
184 lines
6 KiB
Ruby
184 lines
6 KiB
Ruby
# frozen_string_literal: true
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require 'singleton'
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class ActivityPub::TagManager
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include Singleton
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include RoutingHelper
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CONTEXT = 'https://www.w3.org/ns/activitystreams'
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COLLECTIONS = {
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public: 'https://www.w3.org/ns/activitystreams#Public',
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}.freeze
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def public_collection?(uri)
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uri == COLLECTIONS[:public] || uri == 'as:Public' || uri == 'Public'
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end
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def url_for(target)
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return target.url if target.respond_to?(:local?) && !target.local?
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return unless target.respond_to?(:object_type)
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case target.object_type
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when :person
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target.instance_actor? ? about_more_url(instance_actor: true) : short_account_url(target)
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when :note, :comment, :activity
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return activity_account_status_url(target.account, target) if target.reblog?
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short_account_status_url(target.account, target)
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end
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end
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def uri_for(target)
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return target.uri if target.respond_to?(:local?) && !target.local?
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case target.object_type
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when :person
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target.instance_actor? ? instance_actor_url : account_url(target)
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when :note, :comment, :activity
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return activity_account_status_url(target.account, target) if target.reblog?
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account_status_url(target.account, target)
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when :emoji
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emoji_url(target)
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end
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end
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def key_uri_for(target)
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[uri_for(target), '#main-key'].join
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end
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def uri_for_username(username)
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account_url(username: username)
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end
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def generate_uri_for(_target)
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URI.join(root_url, 'payloads', SecureRandom.uuid)
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end
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def activity_uri_for(target)
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raise ArgumentError, 'target must be a local activity' unless %i(note comment activity).include?(target.object_type) && target.local?
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activity_account_status_url(target.account, target)
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end
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def replies_uri_for(target, page_params = nil)
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raise ArgumentError, 'target must be a local activity' unless %i(note comment activity).include?(target.object_type) && target.local?
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account_status_replies_url(target.account, target, page_params)
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end
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def followers_uri_for(target)
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target.local? ? account_followers_url(target) : target.followers_url.presence
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end
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# Primary audience of a status
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# Public statuses go out to primarily the public collection
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# Unlisted and private statuses go out primarily to the followers collection
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# Others go out only to the people they mention
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def to(status)
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case status.visibility
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when 'public'
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[COLLECTIONS[:public]]
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when 'unlisted', 'private'
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[account_followers_url(status.account)]
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when 'direct', 'limited'
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if status.account.silenced?
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# Only notify followers if the account is locally silenced
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account_ids = status.active_mentions.pluck(:account_id)
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to = status.account.followers.where(id: account_ids).each_with_object([]) do |account, result|
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result << uri_for(account)
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result << followers_uri_for(account) if account.group?
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end
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to.concat(FollowRequest.where(target_account_id: status.account_id, account_id: account_ids).each_with_object([]) do |request, result|
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result << uri_for(request.account)
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result << followers_uri_for(request.account) if request.account.group?
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end).compact
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else
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status.active_mentions.each_with_object([]) do |mention, result|
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result << uri_for(mention.account)
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result << followers_uri_for(mention.account) if mention.account.group?
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end.compact
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end
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end
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end
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# Secondary audience of a status
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# Public statuses go out to followers as well
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# Unlisted statuses go to the public as well
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# Both of those and private statuses also go to the people mentioned in them
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# Direct ones don't have a secondary audience
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def cc(status)
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cc = []
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cc << uri_for(status.reblog.account) if status.reblog?
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case status.visibility
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when 'public'
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cc << account_followers_url(status.account)
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when 'unlisted'
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cc << COLLECTIONS[:public]
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end
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unless status.direct_visibility? || status.limited_visibility?
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if status.account.silenced?
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# Only notify followers if the account is locally silenced
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account_ids = status.active_mentions.pluck(:account_id)
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cc.concat(status.account.followers.where(id: account_ids).each_with_object([]) do |account, result|
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result << uri_for(account)
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result << followers_uri_for(account) if account.group?
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end.compact)
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cc.concat(FollowRequest.where(target_account_id: status.account_id, account_id: account_ids).each_with_object([]) do |request, result|
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result << uri_for(request.account)
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result << followers_uri_for(request.account) if request.account.group?
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end.compact)
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else
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cc.concat(status.active_mentions.each_with_object([]) do |mention, result|
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result << uri_for(mention.account)
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result << followers_uri_for(mention.account) if mention.account.group?
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end.compact)
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end
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end
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cc
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end
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def local_uri?(uri)
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return false if uri.nil?
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uri = Addressable::URI.parse(uri)
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host = uri.normalized_host
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host = "#{host}:#{uri.port}" if uri.port
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!host.nil? && (::TagManager.instance.local_domain?(host) || ::TagManager.instance.web_domain?(host))
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end
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def uri_to_local_id(uri, param = :id)
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path_params = Rails.application.routes.recognize_path(uri)
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path_params[:username] = Rails.configuration.x.local_domain if path_params[:controller] == 'instance_actors'
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path_params[param]
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end
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def uri_to_actor(uri)
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uri_to_resource(uri, Account)
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end
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def uri_to_resource(uri, klass)
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return if uri.nil?
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if local_uri?(uri)
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case klass.name
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when 'Account'
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klass.find_local(uri_to_local_id(uri, :username))
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else
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StatusFinder.new(uri).status
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end
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elsif OStatus::TagManager.instance.local_id?(uri)
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klass.find_by(id: OStatus::TagManager.instance.unique_tag_to_local_id(uri, klass.to_s))
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else
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klass.find_by(uri: uri.split('#').first)
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end
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rescue ActiveRecord::RecordNotFound
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nil
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end
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end
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