spc-pleroma/lib/pleroma/web/activity_pub/views/user_view.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.UserView do
use Pleroma.Web, :view
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alias Pleroma.Web.{WebFinger, Salmon}
alias Pleroma.{User, Repo}
alias Pleroma.Web.ActivityPub.{ActivityPub, Transmogrifier, Utils}
import Ecto.Query
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# the instance itself is not a Person, but instead an Application
def render("user.json", %{user: %{nickname: nil} = user}) do
{:ok, user} = WebFinger.ensure_keys_present(user)
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{:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
public_key = :public_key.pem_encode([public_key])
%{
"id" => user.ap_id,
"type" => "Application",
"following" => "#{user.ap_id}/following",
"followers" => "#{user.ap_id}/followers",
"inbox" => "#{user.ap_id}/inbox",
"name" => "Pleroma",
"summary" => "Virtual actor for Pleroma relay",
"url" => user.ap_id,
"manuallyApprovesFollowers" => false,
"publicKey" => %{
"id" => "#{user.ap_id}#main-key",
"owner" => user.ap_id,
"publicKeyPem" => public_key
},
"endpoints" => %{
"sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
}
}
|> Map.merge(Utils.make_json_ld_header())
end
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def render("user.json", %{user: user}) do
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{:ok, user} = WebFinger.ensure_keys_present(user)
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{:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
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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%{
"id" => user.ap_id,
"type" => "Person",
"following" => "#{user.ap_id}/following",
"followers" => "#{user.ap_id}/followers",
"inbox" => "#{user.ap_id}/inbox",
"outbox" => "#{user.ap_id}/outbox",
"preferredUsername" => user.nickname,
"name" => user.name,
"summary" => user.bio,
"url" => user.ap_id,
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"manuallyApprovesFollowers" => user.info.locked,
"publicKey" => %{
"id" => "#{user.ap_id}#main-key",
"owner" => user.ap_id,
"publicKeyPem" => public_key
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},
"endpoints" => %{
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"sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
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},
"icon" => %{
"type" => "Image",
"url" => User.avatar_url(user)
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},
"image" => %{
"type" => "Image",
"url" => User.banner_url(user)
},
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"tag" => user.info.source_data["tag"] || []
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}
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user, page: page}) do
query = User.get_friends_query(user)
query = from(user in query, select: [:ap_id])
following = Repo.all(query)
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collection(following, "#{user.ap_id}/following", page, !user.info.hide_follows)
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user}) do
query = User.get_friends_query(user)
query = from(user in query, select: [:ap_id])
following = Repo.all(query)
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%{
"id" => "#{user.ap_id}/following",
"type" => "OrderedCollection",
"totalItems" => length(following),
"first" => collection(following, "#{user.ap_id}/following", 1, !user.info.hide_follows)
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user, page: page}) do
query = User.get_followers_query(user)
query = from(user in query, select: [:ap_id])
followers = Repo.all(query)
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collection(followers, "#{user.ap_id}/followers", page, !user.info.hide_followers)
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user}) do
query = User.get_followers_query(user)
query = from(user in query, select: [:ap_id])
followers = Repo.all(query)
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%{
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"id" => "#{user.ap_id}/followers",
"type" => "OrderedCollection",
"totalItems" => length(followers),
"first" => collection(followers, "#{user.ap_id}/followers", 1, !user.info.hide_followers)
}
|> 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
# XXX: technically note_count is wrong for this, but it's better than nothing
info = User.user_info(user)
params = %{
"limit" => "10"
}
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params =
if max_qid != nil do
Map.put(params, "max_id", max_qid)
else
params
end
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activities = ActivityPub.fetch_user_activities(user, nil, 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 =
Enum.map(activities, fn act ->
{:ok, data} = Transmogrifier.prepare_outgoing(act.data)
data
end)
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iri = "#{user.ap_id}/outbox"
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page = %{
"id" => "#{iri}?max_id=#{max_id}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"totalItems" => info.note_count,
"orderedItems" => collection,
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"next" => "#{iri}?max_id=#{min_id}"
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}
if max_qid == nil do
%{
"id" => iri,
"type" => "OrderedCollection",
"totalItems" => info.note_count,
"first" => page
}
|> Map.merge(Utils.make_json_ld_header())
else
page |> Map.merge(Utils.make_json_ld_header())
end
end
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def render("inbox.json", %{user: user, max_id: max_qid}) do
params = %{
"limit" => "10"
}
params =
if max_qid != nil do
Map.put(params, "max_id", max_qid)
else
params
end
activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
min_id = Enum.at(Enum.reverse(activities), 0).id
max_id = Enum.at(activities, 0).id
collection =
Enum.map(activities, fn act ->
{:ok, data} = Transmogrifier.prepare_outgoing(act.data)
data
end)
iri = "#{user.ap_id}/inbox"
page = %{
"id" => "#{iri}?max_id=#{max_id}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"totalItems" => -1,
"orderedItems" => collection,
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"next" => "#{iri}?max_id=#{min_id}"
}
if max_qid == nil do
%{
"id" => iri,
"type" => "OrderedCollection",
"totalItems" => -1,
"first" => page
}
|> Map.merge(Utils.make_json_ld_header())
else
page |> Map.merge(Utils.make_json_ld_header())
end
end
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def collection(collection, iri, page, show_items \\ true, total \\ nil) do
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offset = (page - 1) * 10
items = Enum.slice(collection, offset, 10)
items = Enum.map(items, fn user -> user.ap_id end)
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total = total || length(collection)
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map = %{
"id" => "#{iri}?page=#{page}",
"type" => "OrderedCollectionPage",
"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}")
else
map
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end
end
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end