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Code Issues Projects Releases Wiki Activity

activitypub: implement following/followers endpoints

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This commit is contained in:
William Pitcock 2018-03-21 17:23:27 +00:00
parent c50c7745bc
commit 1a94704230
4 changed files with 118 additions and 15 deletions
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38
lib/pleroma/web/activity_pub/activity_pub_controller.ex
View file

@ -27,6 +27,44 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
end
end
def following(conn, %{"nickname" => nickname, "page" => page}) do
with %User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
{page, _} = Integer.parse(page)
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(UserView.render("following.json", %{user: user, page: page}))
end
end
def following(conn, %{"nickname" => nickname}) do
with %User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(UserView.render("following.json", %{user: user}))
end
end
def followers(conn, %{"nickname" => nickname, "page" => page}) do
with %User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
{page, _} = Integer.parse(page)
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(UserView.render("followers.json", %{user: user, page: page}))
end
end
def followers(conn, %{"nickname" => nickname}) do
with %User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(UserView.render("followers.json", %{user: user}))
end
end
# TODO: Ensure that this inbox is a recipient of the message
def inbox(%{assigns: %{valid_signature: true}} = conn, params) do
Federator.enqueue(:incoming_ap_doc, params)

20
lib/pleroma/web/activity_pub/utils.ex
View file

@ -5,6 +5,26 @@ defmodule Pleroma.Web.ActivityPub.Utils do
alias Ecto.{Changeset, UUID}
import Ecto.Query
def make_json_ld_header do
%{
"@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"
}
]
}
end
def make_date do
DateTime.utc_now() |> DateTime.to_iso8601
end

67
lib/pleroma/web/activity_pub/views/user_view.ex
View file

@ -3,6 +3,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
alias Pleroma.Web.Salmon
alias Pleroma.Web.WebFinger
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Utils
def render("user.json", %{user: user}) do
{:ok, user} = WebFinger.ensure_keys_present(user)
@ -10,21 +11,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
public_key = :public_key.pem_entry_encode(:RSAPublicKey, public_key)
public_key = :public_key.pem_encode([public_key])
%{
"@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",
@ -53,5 +39,56 @@ defmodule Pleroma.Web.ActivityPub.UserView do
"url" => User.banner_url(user)
}
}
|> Map.merge(Utils.make_json_ld_header())
end
def collection(collection, iri, page) do
offset = (page - 1) * 10
items = Enum.slice(collection, offset, 10)
items = Enum.map(items, fn (user) -> user.ap_id end)
map = %{
"id" => "#{iri}?page=#{page}",
"type" => "OrderedCollectionPage",
"partOf" => iri,
"totalItems" => length(collection),
"orderedItems" => items
}
if offset < length(collection) do
Map.put(map, "next", "#{iri}?page=#{page+1}")
end
end
def render("following.json", %{user: user, page: page}) do
{:ok, following} = User.get_friends(user)
collection(following, "#{user.ap_id}/following", page)
|> Map.merge(Utils.make_json_ld_header())
end
def render("following.json", %{user: user}) do
{:ok, following} = User.get_friends(user)
%{
"id" => "#{user.ap_id}/following",
"type" => "OrderedCollection",
"totalItems" => length(following),
"first" => collection(following, "#{user.ap_id}/following", 1)
}
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user, page: page}) do
{:ok, followers} = User.get_followers(user)
collection(followers, "#{user.ap_id}/followers", page)
|> Map.merge(Utils.make_json_ld_header())
end
def render("followers.json", %{user: user}) do
{:ok, followers} = User.get_followers(user)
%{
"id" => "#{user.ap_id}/following",
"type" => "OrderedCollection",
"totalItems" => length(followers),
"first" => collection(followers, "#{user.ap_id}/followers", 1)
}
|> Map.merge(Utils.make_json_ld_header())
end
end

8
lib/pleroma/web/router.ex
View file

@ -249,6 +249,14 @@ defmodule Pleroma.Web.Router do
plug Pleroma.Web.Plugs.HTTPSignaturePlug
end
scope "/", Pleroma.Web.ActivityPub do
# XXX: not really ostatus
pipe_through :ostatus
get "/users/:nickname/followers", ActivityPubController, :followers
get "/users/:nickname/following", ActivityPubController, :following
end
if @federating do
scope "/", Pleroma.Web.ActivityPub do
pipe_through :activitypub