+# 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.Salmon
+
+ alias Pleroma.Keys
+ alias Pleroma.Repo
alias Pleroma.User
+ alias Pleroma.Web.ActivityPub.Transmogrifier
+ alias Pleroma.Web.ActivityPub.Utils
+ alias Pleroma.Web.Endpoint
+ alias Pleroma.Web.Router.Helpers
- 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)
+ 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, user} = User.ensure_keys_present(user)
+ {: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})
+
%{
- "@context": [
- "https://www.w3.org/ns/activitystreams",
- "https://w3id.org/security/v1",
+ "id" => user.ap_id,
+ "type" => "Application",
+ "following" => "#{user.ap_id}/following",
+ "followers" => "#{user.ap_id}/followers",
+ "inbox" => "#{user.ap_id}/inbox",
+ "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
+ }
+ |> 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.put("preferredUsername", user.nickname)
+
+ def render("user.json", %{user: user}) do
+ {:ok, user} = User.ensure_keys_present(user)
+ {: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})
+
+ emoji_tags = Transmogrifier.take_emoji_tags(user)
+
+ fields =
+ user.info
+ |> User.Info.fields()
+ |> Enum.map(fn %{"name" => name, "value" => value} ->
%{
- "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"
+ "name" => Pleroma.HTML.strip_tags(name),
+ "value" => Pleroma.HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly)
}
- ],
- "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
- },
- "endpoints": %{
- "sharedInbox": "#{Pleroma.Web.Endpoint.url}/inbox"
+ end)
+ |> Enum.map(&Map.put(&1, "type", "PropertyValue"))
+
+ %{
+ "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
},
- "icon": %{
- "type": "Image",
- "url": User.avatar_url(user)
- }
+ "endpoints" => endpoints,
+ "attachment" => fields,
+ "tag" => (user.info.source_data["tag"] || []) ++ emoji_tags,
+ "discoverable" => user.info.discoverable
+ }
+ |> 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.info.hide_follows
+ showing_count = showing_items || !user.info.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.info.hide_follows
+ showing_count = showing_items || !user.info.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.info.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.info.hide_followers
+ showing_count = showing_items || !user.info.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.info.hide_followers
+ showing_count = showing_items || !user.info.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",
+ "totalItems" => total,
+ "first" =>
+ if showing_items do
+ collection(followers, "#{user.ap_id}/followers", 1, showing_items, total)
+ else
+ "#{user.ap_id}/followers?page=1"
+ end
+ }
+ |> 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}) do
+ # this is sorted chronologically, so first activity is the newest (max)
+ {max_id, min_id, collection} =
+ if length(activities) > 0 do
+ {
+ Enum.at(activities, 0).id,
+ Enum.at(Enum.reverse(activities), 0).id,
+ Enum.map(activities, fn act ->
+ {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
+ data
+ end)
+ }
+ else
+ {
+ 0,
+ 0,
+ []
+ }
+ end
+
+ %{
+ "id" => "#{iri}?max_id=#{max_id}&page=true",
+ "type" => "OrderedCollectionPage",
+ "partOf" => iri,
+ "orderedItems" => collection,
+ "next" => "#{iri}?max_id=#{min_id}&page=true"
}
+ |> Map.merge(Utils.make_json_ld_header())
+ 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
projects / akkoma / blobdiff