+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.ActivityPub.UserView do
use Pleroma.Web, :view
+
+ alias Pleroma.Web.WebFinger
alias Pleroma.Web.Salmon
alias Pleroma.User
+ alias Pleroma.Repo
+ alias Pleroma.Web.ActivityPub.ActivityPub
+ alias Pleroma.Web.ActivityPub.Transmogrifier
+ alias Pleroma.Web.ActivityPub.Utils
+
+ import Ecto.Query
+
+ def render("endpoints.json", %{user: %User{local: true} = _user}) do
+ %{
+ "oauthAuthorizationEndpoint" => "#{Pleroma.Web.Endpoint.url()}/oauth/authorize",
+ "oauthTokenEndpoint" => "#{Pleroma.Web.Endpoint.url()}/oauth/token"
+ }
+ |> Map.merge(render("endpoints.json", %{user: nil}))
+ end
+
+ def render("endpoints.json", _) do
+ %{
+ "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
+ }
+ end
+
+ # 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)
+ {: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])
+
+ 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",
+ "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" => endpoints
+ }
+ |> Map.merge(Utils.make_json_ld_header())
+ end
def render("user.json", %{user: user}) do
- {:ok, _, public_key} = Salmon.keys_from_pem(user.info["keys"])
- public_key = :public_key.pem_entry_encode(:RSAPublicKey, public_key)
+ {:ok, user} = WebFinger.ensure_keys_present(user)
+ {: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])
+
+ endpoints = render("endpoints.json", %{user: user})
+
%{
- "@context": [
- "https://www.w3.org/ns/activitystreams",
- "https://w3id.org/security/v1",
- %{
- "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
- "sensitive": "as:sensitive",
- "Hashtag": "as:Hashtag",
- "ostatus": "http://ostatus.org#",
- "atomUri": "ostatus:atomUri",
- "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
- "conversation": "ostatus:conversation",
- "toot": "http://joinmastodon.org/ns#",
- "Emoji": "toot:Emoji"
- }
- ],
- "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,
- "manuallyApprovesFollowers": false,
- "publicKey": %{
- "id": "#{user.ap_id}#main-key",
- "owner": user.ap_id,
- "publicKeyPem": public_key
+ "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,
+ "manuallyApprovesFollowers" => user.info.locked,
+ "publicKey" => %{
+ "id" => "#{user.ap_id}#main-key",
+ "owner" => user.ap_id,
+ "publicKeyPem" => public_key
},
- "endpoints": %{
- "sharedInbox": "#{Pleroma.Web.Endpoint.url}/inbox"
+ "endpoints" => endpoints,
+ "icon" => %{
+ "type" => "Image",
+ "url" => User.avatar_url(user)
},
- "icon": %{
- "type": "Image",
- "url": User.avatar_url(user)
+ "image" => %{
+ "type" => "Image",
+ "url" => User.banner_url(user)
+ },
+ "tag" => user.info.source_data["tag"] || []
+ }
+ |> 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)
+
+ 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)
+
+ %{
+ "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)
+
+ 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)
+
+ %{
+ "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())
+ end
+
+ 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"
+ }
+
+ params =
+ if max_qid != nil do
+ Map.put(params, "max_id", max_qid)
+ else
+ params
+ end
+
+ activities = ActivityPub.fetch_user_activities(user, nil, 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}/outbox"
+
+ page = %{
+ "id" => "#{iri}?max_id=#{max_id}",
+ "type" => "OrderedCollectionPage",
+ "partOf" => iri,
+ "totalItems" => info.note_count,
+ "orderedItems" => collection,
+ "next" => "#{iri}?max_id=#{min_id}"
+ }
+
+ 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
+
+ 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,
+ "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
+
+ 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
end