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Merge branch 'feature/incoming-remote-unfollow' into 'develop'

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Add support for incoming remote unfollows and blocks/unblocks

See merge request pleroma/pleroma!158
This commit is contained in:
lambda 2018-05-24 19:52:24 +00:00
commit c2dcd767cf
18 changed files with 475 additions and 62 deletions
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30
lib/pleroma/web/activity_pub/activity_pub.ex
View file

@ -192,12 +192,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
def unfollow(follower, followed, local \\ true) do
def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
unfollow_data <- make_unfollow_data(follower, followed, follow_activity),
unfollow_data <- make_unfollow_data(follower, followed, follow_activity, activity_id),
{:ok, activity} <- insert(unfollow_data, local),
:ok,
maybe_federate(activity) do
:ok <- maybe_federate(activity) do
{:ok, activity}
end
end
@ -221,6 +220,29 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
def block(blocker, blocked, activity_id \\ nil, local \\ true) do
follow_activity = fetch_latest_follow(blocker, blocked)
if follow_activity do
unfollow(blocker, blocked, nil, local)
end
with block_data <- make_block_data(blocker, blocked, activity_id),
{:ok, activity} <- insert(block_data, local),
:ok <- maybe_federate(activity) do
{:ok, activity}
end
end
def unblock(blocker, blocked, activity_id \\ nil, local \\ true) do
with %Activity{} = block_activity <- fetch_latest_block(blocker, blocked),
unblock_data <- make_unblock_data(blocker, blocked, block_activity, activity_id),
{:ok, activity} <- insert(unblock_data, local),
:ok <- maybe_federate(activity) do
{:ok, activity}
end
end
def fetch_activities_for_context(context, opts \\ %{}) do
public = ["https://www.w3.org/ns/activitystreams#Public"]

51
lib/pleroma/web/activity_pub/transmogrifier.ex
View file

@ -241,6 +241,56 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
end
end
def handle_incoming(
%{
"type" => "Undo",
"object" => %{"type" => "Follow", "object" => followed},
"actor" => follower,
"id" => id
} = _data
) do
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
%User{} = follower <- User.get_or_fetch_by_ap_id(follower),
{:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
User.unfollow(follower, followed)
{:ok, activity}
else
e -> :error
end
end
def handle_incoming(
%{
"type" => "Undo",
"object" => %{"type" => "Block", "object" => blocked},
"actor" => blocker,
"id" => id
} = _data
) do
with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
%User{} = blocker <- User.get_or_fetch_by_ap_id(blocker),
{:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
User.unblock(blocker, blocked)
{:ok, activity}
else
e -> :error
end
end
def handle_incoming(
%{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = data
) do
with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
%User{} = blocker = User.get_or_fetch_by_ap_id(blocker),
{:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
User.unfollow(blocker, blocked)
User.block(blocker, blocked)
{:ok, activity}
else
e -> :error
end
end
def handle_incoming(
%{
"type" => "Undo",
@ -261,7 +311,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
# TODO
# Accept
# Undo for non-Announce
def handle_incoming(_), do: :error

49
lib/pleroma/web/activity_pub/utils.ex
View file

@ -347,13 +347,56 @@ defmodule Pleroma.Web.ActivityPub.Utils do
#### Unfollow-related helpers
def make_unfollow_data(follower, followed, follow_activity) do
%{
def make_unfollow_data(follower, followed, follow_activity, activity_id) do
data = %{
"type" => "Undo",
"actor" => follower.ap_id,
"to" => [followed.ap_id],
"object" => follow_activity.data["id"]
"object" => follow_activity.data
}
if activity_id, do: Map.put(data, "id", activity_id), else: data
end
#### Block-related helpers
def fetch_latest_block(%User{ap_id: blocker_id}, %User{ap_id: blocked_id}) do
query =
from(
activity in Activity,
where:
fragment(
"? @> ?",
activity.data,
^%{type: "Block", object: blocked_id}
),
where: activity.actor == ^blocker_id,
order_by: [desc: :id],
limit: 1
)
Repo.one(query)
end
def make_block_data(blocker, blocked, activity_id) do
data = %{
"type" => "Block",
"actor" => blocker.ap_id,
"to" => [blocked.ap_id],
"object" => blocked.ap_id
}
if activity_id, do: Map.put(data, "id", activity_id), else: data
end
def make_unblock_data(blocker, blocked, block_activity, activity_id) do
data = %{
"type" => "Undo",
"actor" => blocker.ap_id,
"to" => [blocked.ap_id],
"object" => block_activity.data
}
if activity_id, do: Map.put(data, "id", activity_id), else: data
end
#### Create-related helpers

17
lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
View file

@ -453,24 +453,18 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
end
end
# TODO: Clean up and unify
def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
with %User{} = followed <- Repo.get(User, id),
{:ok, follower, follow_activity} <- User.unfollow(follower, followed),
{:ok, _activity} <-
ActivityPub.insert(%{
"type" => "Undo",
"actor" => follower.ap_id,
# get latest Follow for these users
"object" => follow_activity.data["id"]
}) do
{:ok, _activity} <- ActivityPub.unfollow(follower, followed),
{:ok, follower, _} <- User.unfollow(follower, followed) do
render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
end
end
def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
with %User{} = blocked <- Repo.get(User, id),
{:ok, blocker} <- User.block(blocker, blocked) do
{:ok, blocker} <- User.block(blocker, blocked),
{:ok, _activity} <- ActivityPub.block(blocker, blocked) do
render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
else
{:error, message} ->
@ -482,7 +476,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
with %User{} = blocked <- Repo.get(User, id),
{:ok, blocker} <- User.unblock(blocker, blocked) do
{:ok, blocker} <- User.unblock(blocker, blocked),
{:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
else
{:error, message} ->

51
lib/pleroma/web/ostatus/activity_representer.ex
View file

@ -232,7 +232,12 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
end
# Only undos of follow for now. Will need to get redone once there are more
def to_simple_form(%{data: %{"type" => "Undo"}} = activity, user, with_author) do
def to_simple_form(
%{data: %{"type" => "Undo", "object" => %{"type" => "Follow"} = follow_activity}} =
activity,
user,
with_author
) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
@ -240,34 +245,26 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
follow_activity =
if is_map(activity.data["object"]) do
Activity.get_by_ap_id(activity.data["object"]["id"])
else
Activity.get_by_ap_id(activity.data["object"])
end
mentions = (activity.recipients || []) |> get_mentions
follow_activity = Activity.get_by_ap_id(follow_activity["id"])
if follow_activity do
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/unfollow']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
{:content, [type: 'html'],
['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object",
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
{:id, h.(follow_activity.data["object"])},
{:uri, h.(follow_activity.data["object"])}
]},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
] ++ mentions ++ author
end
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/unfollow']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
{:content, [type: 'html'],
['#{user.nickname} stopped following #{follow_activity.data["object"]}']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object",
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/person']},
{:id, h.(follow_activity.data["object"])},
{:uri, h.(follow_activity.data["object"])}
]},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
] ++ mentions ++ author
end
def to_simple_form(%{data: %{"type" => "Delete"}} = activity, user, with_author) do

17
lib/pleroma/web/ostatus/handlers/unfollow_handler.ex Normal file
View file

@ -0,0 +1,17 @@
defmodule Pleroma.Web.OStatus.UnfollowHandler do
alias Pleroma.Web.{XML, OStatus}
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.User
def handle(entry, doc) do
with {:ok, actor} <- OStatus.find_make_or_update_user(doc),
id when not is_nil(id) <- XML.string_from_xpath("/entry/id", entry),
followed_uri when not is_nil(followed_uri) <-
XML.string_from_xpath("/entry/activity:object/id", entry),
{:ok, followed} <- OStatus.find_or_make_user(followed_uri),
{:ok, activity} <- ActivityPub.unfollow(actor, followed, id, false) do
User.unfollow(actor, followed)
{:ok, activity}
end
end
end

5
lib/pleroma/web/ostatus/ostatus.ex
View file

@ -8,7 +8,7 @@ defmodule Pleroma.Web.OStatus do
alias Pleroma.{Repo, User, Web, Object, Activity}
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.{WebFinger, Websub}
alias Pleroma.Web.OStatus.{FollowHandler, NoteHandler, DeleteHandler}
alias Pleroma.Web.OStatus.{FollowHandler, UnfollowHandler, NoteHandler, DeleteHandler}
alias Pleroma.Web.ActivityPub.Transmogrifier
def feed_path(user) do
@ -47,6 +47,9 @@ defmodule Pleroma.Web.OStatus do
'http://activitystrea.ms/schema/1.0/follow' ->
with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
'http://activitystrea.ms/schema/1.0/unfollow' ->
with {:ok, activity} <- UnfollowHandler.handle(entry, doc), do: activity
'http://activitystrea.ms/schema/1.0/share' ->
with {:ok, activity, retweeted_activity} <- handle_share(entry, doc),
do: [activity, retweeted_activity]

2
lib/pleroma/web/twitter_api/representers/activity_representer.ex
View file

@ -99,7 +99,7 @@ defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter do
) do
created_at = created_at |> Utils.date_to_asctime()
text = "#{user.nickname} undid the action at #{undid_activity}"
text = "#{user.nickname} undid the action at #{undid_activity["id"]}"
%{
"id" => activity.id,

15
lib/pleroma/web/twitter_api/twitter_api.ex
View file

@ -36,14 +36,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
def unfollow(%User{} = follower, params) do
with {:ok, %User{} = unfollowed} <- get_user(params),
{:ok, follower, follow_activity} <- User.unfollow(follower, unfollowed),
{:ok, _activity} <-
ActivityPub.insert(%{
"type" => "Undo",
"actor" => follower.ap_id,
# get latest Follow for these users
"object" => follow_activity.data["id"],
"published" => make_date()
}) do
{:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
{:ok, follower, unfollowed}
else
err -> err
@ -52,7 +45,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
def block(%User{} = blocker, params) do
with {:ok, %User{} = blocked} <- get_user(params),
{:ok, blocker} <- User.block(blocker, blocked) do
{:ok, blocker} <- User.block(blocker, blocked),
{:ok, _activity} <- ActivityPub.block(blocker, blocked) do
{:ok, blocker, blocked}
else
err -> err
@ -61,7 +55,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
def unblock(%User{} = blocker, params) do
with {:ok, %User{} = blocked} <- get_user(params),
{:ok, blocker} <- User.unblock(blocker, blocked) do
{:ok, blocker} <- User.unblock(blocker, blocked),
{:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
{:ok, blocker, blocked}
else
err -> err