350 lines
9.8 KiB
Elixir
350 lines
9.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.UserView do
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use Pleroma.Web, :view
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alias Pleroma.Keys
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Transmogrifier
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.Endpoint
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alias Pleroma.Web.Router.Helpers
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import Ecto.Query
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def render("endpoints.json", %{user: %User{nickname: nil, local: true} = _user}) do
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%{"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)}
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end
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def render("endpoints.json", %{user: %User{local: true} = _user}) do
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%{
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"oauthAuthorizationEndpoint" => Helpers.o_auth_url(Endpoint, :authorize),
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"oauthRegistrationEndpoint" => Helpers.mastodon_api_url(Endpoint, :create_app),
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"oauthTokenEndpoint" => Helpers.o_auth_url(Endpoint, :token_exchange),
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"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)
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}
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end
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def render("endpoints.json", _), do: %{}
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def render("service.json", %{user: user}) do
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{:ok, user} = User.ensure_keys_present(user)
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{:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
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public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
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public_key = :public_key.pem_encode([public_key])
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endpoints = render("endpoints.json", %{user: user})
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%{
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"id" => user.ap_id,
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"type" => "Application",
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"following" => "#{user.ap_id}/following",
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"followers" => "#{user.ap_id}/followers",
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"inbox" => "#{user.ap_id}/inbox",
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"name" => "Pleroma",
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"summary" =>
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"An internal service actor for this Pleroma instance. No user-serviceable parts inside.",
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"url" => user.ap_id,
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"manuallyApprovesFollowers" => false,
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"publicKey" => %{
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"id" => "#{user.ap_id}#main-key",
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"owner" => user.ap_id,
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"publicKeyPem" => public_key
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},
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"endpoints" => endpoints
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}
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|> Map.merge(Utils.make_json_ld_header())
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end
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# the instance itself is not a Person, but instead an Application
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def render("user.json", %{user: %User{nickname: nil} = user}),
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do: render("service.json", %{user: user})
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def render("user.json", %{user: %User{nickname: "internal." <> _} = user}),
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do: render("service.json", %{user: user}) |> Map.put("preferredUsername", user.nickname)
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def render("user.json", %{user: user}) do
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{:ok, user} = User.ensure_keys_present(user)
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{:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
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public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
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public_key = :public_key.pem_encode([public_key])
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endpoints = render("endpoints.json", %{user: user})
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user_tags =
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user
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|> Transmogrifier.add_emoji_tags()
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|> Map.get("tag", [])
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fields =
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user.info
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|> User.Info.fields()
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|> Enum.map(fn %{"name" => name, "value" => value} ->
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%{
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"name" => Pleroma.HTML.strip_tags(name),
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"value" => Pleroma.HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly)
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}
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end)
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|> Enum.map(&Map.put(&1, "type", "PropertyValue"))
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%{
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"id" => user.ap_id,
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"type" => "Person",
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"following" => "#{user.ap_id}/following",
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"followers" => "#{user.ap_id}/followers",
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"inbox" => "#{user.ap_id}/inbox",
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"outbox" => "#{user.ap_id}/outbox",
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"preferredUsername" => user.nickname,
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"name" => user.name,
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"summary" => user.bio,
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"url" => user.ap_id,
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"manuallyApprovesFollowers" => user.info.locked,
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"publicKey" => %{
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"id" => "#{user.ap_id}#main-key",
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"owner" => user.ap_id,
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"publicKeyPem" => public_key
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},
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"endpoints" => endpoints,
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"attachment" => fields,
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"tag" => (user.info.source_data["tag"] || []) ++ user_tags
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}
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|> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user))
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|> Map.merge(maybe_make_image(&User.banner_url/2, "image", user))
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|> Map.merge(Utils.make_json_ld_header())
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end
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def render("following.json", %{user: user, page: page} = opts) do
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showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_follows
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showing_count = showing_items || !user.info.hide_follows_count
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query = User.get_friends_query(user)
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query = from(user in query, select: [:ap_id])
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following = Repo.all(query)
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total =
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if showing_count do
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length(following)
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else
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0
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end
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collection(following, "#{user.ap_id}/following", page, showing_items, total)
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|> Map.merge(Utils.make_json_ld_header())
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end
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def render("following.json", %{user: user} = opts) do
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showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_follows
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showing_count = showing_items || !user.info.hide_follows_count
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query = User.get_friends_query(user)
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query = from(user in query, select: [:ap_id])
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following = Repo.all(query)
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total =
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if showing_count do
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length(following)
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else
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0
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end
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%{
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"id" => "#{user.ap_id}/following",
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"type" => "OrderedCollection",
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"totalItems" => total,
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"first" =>
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if showing_items do
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collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows)
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else
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"#{user.ap_id}/following?page=1"
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end
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}
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|> Map.merge(Utils.make_json_ld_header())
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end
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def render("followers.json", %{user: user, page: page} = opts) do
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showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_followers
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showing_count = showing_items || !user.info.hide_followers_count
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query = User.get_followers_query(user)
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query = from(user in query, select: [:ap_id])
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followers = Repo.all(query)
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total =
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if showing_count do
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length(followers)
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else
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0
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end
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collection(followers, "#{user.ap_id}/followers", page, showing_items, total)
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|> Map.merge(Utils.make_json_ld_header())
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end
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def render("followers.json", %{user: user} = opts) do
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showing_items = (opts[:for] && opts[:for] == user) || !user.info.hide_followers
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showing_count = showing_items || !user.info.hide_followers_count
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query = User.get_followers_query(user)
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query = from(user in query, select: [:ap_id])
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followers = Repo.all(query)
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total =
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if showing_count do
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length(followers)
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else
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0
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end
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%{
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"id" => "#{user.ap_id}/followers",
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"type" => "OrderedCollection",
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"totalItems" => total,
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"first" =>
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if showing_items do
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collection(followers, "#{user.ap_id}/followers", 1, showing_items, total)
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else
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"#{user.ap_id}/followers?page=1"
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end
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}
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|> Map.merge(Utils.make_json_ld_header())
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end
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def render("outbox.json", %{user: user, max_id: max_qid}) do
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params = %{
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"limit" => "10"
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}
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params =
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if max_qid != nil do
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Map.put(params, "max_id", max_qid)
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else
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params
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end
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activities = ActivityPub.fetch_user_activities(user, nil, params)
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# this is sorted chronologically, so first activity is the newest (max)
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{max_id, min_id, collection} =
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if length(activities) > 0 do
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{
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Enum.at(activities, 0).id,
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Enum.at(Enum.reverse(activities), 0).id,
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Enum.map(activities, fn act ->
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{:ok, data} = Transmogrifier.prepare_outgoing(act.data)
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data
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end)
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}
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else
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{
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0,
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0,
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[]
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}
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end
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iri = "#{user.ap_id}/outbox"
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page = %{
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"id" => "#{iri}?max_id=#{max_id}",
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"type" => "OrderedCollectionPage",
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"partOf" => iri,
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"orderedItems" => collection,
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"next" => "#{iri}?max_id=#{min_id}"
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}
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if max_qid == nil do
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%{
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"id" => iri,
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"type" => "OrderedCollection",
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"first" => page
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}
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|> Map.merge(Utils.make_json_ld_header())
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else
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page |> Map.merge(Utils.make_json_ld_header())
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end
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end
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def render("inbox.json", %{user: user, max_id: max_qid}) do
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params = %{
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"limit" => "10"
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}
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params =
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if max_qid != nil do
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Map.put(params, "max_id", max_qid)
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else
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params
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end
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activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
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min_id = Enum.at(Enum.reverse(activities), 0).id
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max_id = Enum.at(activities, 0).id
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collection =
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Enum.map(activities, fn act ->
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{:ok, data} = Transmogrifier.prepare_outgoing(act.data)
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data
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end)
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iri = "#{user.ap_id}/inbox"
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page = %{
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"id" => "#{iri}?max_id=#{max_id}",
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"type" => "OrderedCollectionPage",
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"partOf" => iri,
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"orderedItems" => collection,
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"next" => "#{iri}?max_id=#{min_id}"
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}
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if max_qid == nil do
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%{
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"id" => iri,
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"type" => "OrderedCollection",
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"first" => page
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}
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|> Map.merge(Utils.make_json_ld_header())
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else
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page |> Map.merge(Utils.make_json_ld_header())
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end
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end
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def collection(collection, iri, page, show_items \\ true, total \\ nil) do
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offset = (page - 1) * 10
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items = Enum.slice(collection, offset, 10)
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items = Enum.map(items, fn user -> user.ap_id end)
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total = total || length(collection)
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map = %{
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"id" => "#{iri}?page=#{page}",
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"type" => "OrderedCollectionPage",
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"partOf" => iri,
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"totalItems" => total,
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"orderedItems" => if(show_items, do: items, else: [])
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}
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if offset < total do
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Map.put(map, "next", "#{iri}?page=#{page + 1}")
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else
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map
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end
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end
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defp maybe_make_image(func, key, user) do
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if image = func.(user, no_default: true) do
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%{
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key => %{
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"type" => "Image",
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"url" => image
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}
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}
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else
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%{}
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end
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end
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end
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