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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.UserView do
use Pleroma.Web, :view
alias Pleroma.Keys
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ObjectView
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.Endpoint
alias Pleroma.Web.Router.Helpers
import Ecto.Query
def render("endpoints.json", %{user: %User{nickname: nil, local: true} = _user}) do
%{"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)}
end
def render("endpoints.json", %{user: %User{local: true} = _user}) do
%{
"oauthAuthorizationEndpoint" => Helpers.o_auth_url(Endpoint, :authorize),
"oauthRegistrationEndpoint" => Helpers.app_url(Endpoint, :create),
"oauthTokenEndpoint" => Helpers.o_auth_url(Endpoint, :token_exchange),
"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox),
"uploadMedia" => Helpers.activity_pub_url(Endpoint, :upload_media)
}
end
def render("endpoints.json", _), do: %{}
def render("service.json", %{user: user}) do
{:ok, _, public_key} = Keys.keys_from_pem(user.keys)
public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
public_key = :public_key.pem_encode([public_key])
endpoints = render("endpoints.json", %{user: user})
%{
"id" => user.ap_id,
"type" => "Application",
"following" => "#{user.ap_id}/following",
"followers" => "#{user.ap_id}/followers",
"inbox" => "#{user.ap_id}/inbox",
"outbox" => "#{user.ap_id}/outbox",
"name" => "Pleroma",
"summary" =>
"An internal service actor for this Pleroma instance. No user-serviceable parts inside.",
"url" => user.ap_id,
"manuallyApprovesFollowers" => false,
"publicKey" => %{
"id" => "#{user.ap_id}#main-key",
"owner" => user.ap_id,
"publicKeyPem" => public_key
},
"endpoints" => endpoints,
"invisible" => User.invisible?(user)
}
|> Map.merge(Utils.make_json_ld_header())
end
# the instance itself is not a Person, but instead an Application
def render("user.json", %{user: %User{nickname: nil} = user}),
do: render("service.json", %{user: user})
def render("user.json", %{user: %User{nickname: "internal." <> _} = user}) do
render("service.json", %{user: user})
|> Map.merge(%{
"preferredUsername" => user.nickname,
"webfinger" => "acct:#{User.full_nickname(user)}"
})
end
def render("user.json", %{user: user}) do
{:ok, _, public_key} = Keys.keys_from_pem(user.keys)
public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
public_key = :public_key.pem_encode([public_key])
user = User.sanitize_html(user)
endpoints = render("endpoints.json", %{user: user})
emoji_tags = Transmogrifier.take_emoji_tags(user)
fields = Enum.map(user.fields, &Map.put(&1, "type", "PropertyValue"))
capabilities =
if is_boolean(user.accepts_chat_messages) do
%{
"acceptsChatMessages" => user.accepts_chat_messages
}
else
%{}
end
birthday =
if user.show_birthday && user.birthday,
do: Date.to_iso8601(user.birthday),
else: nil
%{
"id" => user.ap_id,
"type" => user.actor_type,
"following" => "#{user.ap_id}/following",
"followers" => "#{user.ap_id}/followers",
"inbox" => "#{user.ap_id}/inbox",
"outbox" => "#{user.ap_id}/outbox",
"featured" => "#{user.ap_id}/collections/featured",
"preferredUsername" => user.nickname,
"name" => user.name,
"summary" => user.bio,
"url" => user.ap_id,
"manuallyApprovesFollowers" => user.is_locked,
"publicKey" => %{
"id" => "#{user.ap_id}#main-key",
"owner" => user.ap_id,
"publicKeyPem" => public_key
},
"endpoints" => endpoints,
"attachment" => fields,
"tag" => emoji_tags,
# Note: key name is indeed "discoverable" (not an error)
"discoverable" => user.is_discoverable,
"capabilities" => capabilities,
"alsoKnownAs" => user.also_known_as,
"vcard:bday" => birthday,
"webfinger" => "acct:#{User.full_nickname(user)}"
}
|> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user))
|> Map.merge(maybe_make_image(&User.banner_url/2, "image", user))
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user, page: page} = opts) do
showing_items = (opts[:for] && opts[:for] == user) || !user.hide_follows
showing_count = showing_items || !user.hide_follows_count
query = User.get_friends_query(user)
query = from(user in query, select: [:ap_id])
following = Repo.all(query)
total =
if showing_count do
length(following)
else
0
end
collection(following, "#{user.ap_id}/following", page, showing_items, total)
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user} = opts) do
showing_items = (opts[:for] && opts[:for] == user) || !user.hide_follows
showing_count = showing_items || !user.hide_follows_count
query = User.get_friends_query(user)
query = from(user in query, select: [:ap_id])
following = Repo.all(query)
total =
if showing_count do
length(following)
else
0
end
%{
"id" => "#{user.ap_id}/following",
"type" => "OrderedCollection",
"totalItems" => total,
"first" =>
if showing_items do
collection(following, "#{user.ap_id}/following", 1, !user.hide_follows)
else
"#{user.ap_id}/following?page=1"
end
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user, page: page} = opts) do
showing_items = (opts[:for] && opts[:for] == user) || !user.hide_followers
showing_count = showing_items || !user.hide_followers_count
query = User.get_followers_query(user)
query = from(user in query, select: [:ap_id])
followers = Repo.all(query)
total =
if showing_count do
length(followers)
else
0
end
collection(followers, "#{user.ap_id}/followers", page, showing_items, total)
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user} = opts) do
showing_items = (opts[:for] && opts[:for] == user) || !user.hide_followers
showing_count = showing_items || !user.hide_followers_count
query = User.get_followers_query(user)
query = from(user in query, select: [:ap_id])
followers = Repo.all(query)
total =
if showing_count do
length(followers)
else
0
end
%{
"id" => "#{user.ap_id}/followers",
"type" => "OrderedCollection",
"first" =>
if showing_items do
collection(followers, "#{user.ap_id}/followers", 1, showing_items, total)
else
"#{user.ap_id}/followers?page=1"
end
}
|> maybe_put_total_items(showing_count, total)
|> Map.merge(Utils.make_json_ld_header())
end
def render("activity_collection.json", %{iri: iri}) do
%{
"id" => iri,
"type" => "OrderedCollection",
"first" => "#{iri}?page=true"
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("activity_collection_page.json", %{
activities: activities,
iri: iri,
pagination: pagination
}) do
collection =
Enum.map(activities, fn activity ->
{:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
data
end)
%{
"type" => "OrderedCollectionPage",
"partOf" => iri,
"orderedItems" => collection
}
|> Map.merge(Utils.make_json_ld_header())
|> Map.merge(pagination)
end
def render("featured.json", %{
user: %{featured_address: featured_address, pinned_objects: pinned_objects}
}) do
objects =
pinned_objects
|> Enum.sort_by(fn {_, pinned_at} -> pinned_at end, &>=/2)
|> Enum.map(fn {id, _} ->
ObjectView.render("object.json", %{object: Object.get_cached_by_ap_id(id)})
end)
%{
"id" => featured_address,
"type" => "OrderedCollection",
"orderedItems" => objects,
"totalItems" => length(objects)
}
|> Map.merge(Utils.make_json_ld_header())
end
defp maybe_put_total_items(map, false, _total), do: map
defp maybe_put_total_items(map, true, total) do
Map.put(map, "totalItems", total)
end
def collection(collection, iri, page, show_items \\ true, total \\ nil) do
offset = (page - 1) * 10
items = Enum.slice(collection, offset, 10)
items = Enum.map(items, fn user -> user.ap_id end)
total = total || length(collection)
map = %{
"id" => "#{iri}?page=#{page}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"totalItems" => total,
"orderedItems" => if(show_items, do: items, else: [])
}
if offset < total do
Map.put(map, "next", "#{iri}?page=#{page + 1}")
else
map
end
end
defp maybe_make_image(func, key, user) do
if image = func.(user, no_default: true) do
%{
key => %{
"type" => "Image",
"url" => image
}
}
else
%{}
end
end
end

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