mirror of https://github.com/mastodon/mastodon.git
94 lines
2.6 KiB
Ruby
94 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::RepliesController < ActivityPub::BaseController
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include Authorization
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DESCENDANTS_LIMIT = 60
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vary_by -> { 'Signature' if authorized_fetch_mode? }
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before_action :require_account_signature!, if: :authorized_fetch_mode?
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before_action :set_status
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before_action :set_replies
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def index
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expires_in 0, public: public_fetch_mode?
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render json: replies_collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json', skip_activities: true
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end
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private
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def pundit_user
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signed_request_account
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end
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def set_status
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@status = @account.statuses.find(params[:status_id])
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authorize @status, :show?
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rescue Mastodon::NotPermittedError
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not_found
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end
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def set_replies
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@replies = only_other_accounts? ? Status.where.not(account_id: @account.id).joins(:account).merge(Account.without_suspended) : @account.statuses
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@replies = @replies.where(in_reply_to_id: @status.id, visibility: [:public, :unlisted])
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@replies = @replies.paginate_by_min_id(DESCENDANTS_LIMIT, params[:min_id])
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end
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def replies_collection_presenter
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page = ActivityPub::CollectionPresenter.new(
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id: account_status_replies_url(@account, @status, page_params),
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type: :unordered,
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part_of: account_status_replies_url(@account, @status),
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next: next_page,
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items: @replies.map { |status| status.local? ? status : status.uri }
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)
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return page if page_requested?
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ActivityPub::CollectionPresenter.new(
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id: account_status_replies_url(@account, @status),
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type: :unordered,
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first: page
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)
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end
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def page_requested?
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truthy_param?(:page)
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end
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def only_other_accounts?
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truthy_param?(:only_other_accounts)
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end
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def next_page
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if only_other_accounts?
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# Only consider remote accounts
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return nil if @replies.size < DESCENDANTS_LIMIT
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account_status_replies_url(
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@account,
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@status,
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page: true,
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min_id: @replies&.last&.id,
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only_other_accounts: true
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)
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else
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# For now, we're serving only self-replies, but next page might be other accounts
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next_only_other_accounts = @replies&.last&.account_id != @account.id || @replies.size < DESCENDANTS_LIMIT
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account_status_replies_url(
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@account,
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@status,
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page: true,
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min_id: next_only_other_accounts ? nil : @replies&.last&.id,
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only_other_accounts: next_only_other_accounts
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)
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end
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end
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def page_params
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params_slice(:only_other_accounts, :min_id).merge(page: true)
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end
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end
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