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Merge branch 'develop' into refactor/following-relationships

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Egor Kislitsyn 2019-10-21 14:19:15 +07:00
commit 4ea1a61b00
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219 changed files with 3097 additions and 4626 deletions
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125
lib/pleroma/web/activity_pub/activity_pub.ex
View file

@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.Activity.Ir.Topics
alias Pleroma.Config
alias Pleroma.Conversation
alias Pleroma.Conversation.Participation
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Object.Containment
@ -131,7 +132,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
{:ok, map} <- MRF.filter(map),
{recipients, _, _} = get_recipients(map),
{:fake, false, map, recipients} <- {:fake, fake, map, recipients},
:ok <- Containment.contain_child(map),
{:containment, :ok} <- {:containment, Containment.contain_child(map)},
{:ok, map, object} <- insert_full_object(map) do
{:ok, activity} =
Repo.insert(%Activity{
@ -153,11 +154,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
Notification.create_notifications(activity)
participations =
activity
|> Conversation.create_or_bump_for()
|> get_participations()
conversation = create_or_bump_conversation(activity, map["actor"])
participations = get_participations(conversation)
stream_out(activity)
stream_out_participations(participations)
{:ok, activity}
@ -182,7 +180,20 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
defp get_participations({:ok, %{participations: participations}}), do: participations
defp create_or_bump_conversation(activity, actor) do
with {:ok, conversation} <- Conversation.create_or_bump_for(activity),
%User{} = user <- User.get_cached_by_ap_id(actor),
Participation.mark_as_read(user, conversation) do
{:ok, conversation}
end
end
defp get_participations({:ok, conversation}) do
conversation
|> Repo.preload(:participations, force: true)
|> Map.get(:participations)
end
defp get_participations(_), do: []
def stream_out_participations(participations) do
@ -225,6 +236,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
# only accept false as false value
local = !(params[:local] == false)
published = params[:published]
quick_insert? = Pleroma.Config.get([:env]) == :benchmark
with create_data <-
make_create_data(
@ -235,12 +247,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
{:fake, false, activity} <- {:fake, fake, activity},
_ <- increase_replies_count_if_reply(create_data),
_ <- increase_poll_votes_if_vote(create_data),
{:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
# Changing note count prior to enqueuing federation task in order to avoid
# race conditions on updating user.info
{:ok, _actor} <- increase_note_count_if_public(actor, activity),
:ok <- maybe_federate(activity) do
{:ok, activity}
else
{:quick_insert, true, activity} ->
{:ok, activity}
{:fake, true, activity} ->
{:ok, activity}
@ -269,22 +285,21 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
def accept(%{to: to, actor: actor, object: object} = params) do
# only accept false as false value
local = !(params[:local] == false)
with data <- %{"to" => to, "type" => "Accept", "actor" => actor.ap_id, "object" => object},
{:ok, activity} <- insert(data, local),
:ok <- maybe_federate(activity) do
{:ok, activity}
end
def accept(params) do
accept_or_reject("Accept", params)
end
def reject(%{to: to, actor: actor, object: object} = params) do
# only accept false as false value
local = !(params[:local] == false)
def reject(params) do
accept_or_reject("Reject", params)
end
with data <- %{"to" => to, "type" => "Reject", "actor" => actor.ap_id, "object" => object},
def accept_or_reject(type, %{to: to, actor: actor, object: object} = params) do
local = Map.get(params, :local, true)
activity_id = Map.get(params, :activity_id, nil)
with data <-
%{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object}
|> Utils.maybe_put("id", activity_id),
{:ok, activity} <- insert(data, local),
:ok <- maybe_federate(activity) do
{:ok, activity}
@ -409,18 +424,24 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
end
end
def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, options \\ []) do
local = Keyword.get(options, :local, true)
activity_id = Keyword.get(options, :activity_id, nil)
actor = Keyword.get(options, :actor, actor)
user = User.get_cached_by_ap_id(actor)
to = (object.data["to"] || []) ++ (object.data["cc"] || [])
with {:ok, object, activity} <- Object.delete(object),
data <- %{
"type" => "Delete",
"actor" => actor,
"object" => id,
"to" => to,
"deleted_activity_id" => activity && activity.id
},
data <-
%{
"type" => "Delete",
"actor" => actor,
"object" => id,
"to" => to,
"deleted_activity_id" => activity && activity.id
}
|> maybe_put("id", activity_id),
{:ok, activity} <- insert(data, local, false),
stream_out_participations(object, user),
_ <- decrease_replies_count_if_reply(object),
@ -593,6 +614,49 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
defp restrict_visibility(query, _visibility), do: query
defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
when is_list(visibility) do
if Enum.all?(visibility, &(&1 in @valid_visibilities)) do
from(
a in query,
where:
not fragment(
"activity_visibility(?, ?, ?) = ANY (?)",
a.actor,
a.recipients,
a.data,
^visibility
)
)
else
Logger.error("Could not exclude visibility to #{visibility}")
query
end
end
defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
when visibility in @valid_visibilities do
from(
a in query,
where:
not fragment(
"activity_visibility(?, ?, ?) = ?",
a.actor,
a.recipients,
a.data,
^visibility
)
)
end
defp exclude_visibility(query, %{"exclude_visibilities" => visibility})
when visibility not in @valid_visibilities do
Logger.error("Could not exclude visibility to #{visibility}")
query
end
defp exclude_visibility(query, _visibility), do: query
defp restrict_thread_visibility(query, _, %{skip_thread_containment: true} = _),
do: query
@ -957,6 +1021,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
|> restrict_muted_reblogs(opts)
|> Activity.restrict_deactivated_users()
|> exclude_poll_votes(opts)
|> exclude_visibility(opts)
end
def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
@ -1156,7 +1221,9 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
data <- maybe_update_follow_information(data) do
{:ok, data}
else
e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
e ->
Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
{:error, e}
end
end

2
lib/pleroma/web/activity_pub/publisher.ex
View file

@ -129,7 +129,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
[]
end
Pleroma.Web.Salmon.remote_users(actor, activity) ++ followers ++ fetchers
Pleroma.Web.Federator.Publisher.remote_users(actor, activity) ++ followers ++ fetchers
end
defp get_cc_ap_ids(ap_id, recipients) do

14
lib/pleroma/web/activity_pub/relay.ex
View file

@ -51,6 +51,20 @@ defmodule Pleroma.Web.ActivityPub.Relay do
def publish(_), do: {:error, "Not implemented"}
@spec list() :: {:ok, [String.t()]} | {:error, any()}
def list do
with %User{following: following} = _user <- get_actor() do
list =
following
|> Enum.map(fn entry -> URI.parse(entry).host end)
|> Enum.uniq()
{:ok, list}
else
error -> format_error(error)
end
end
defp format_error({:error, error}), do: format_error(error)
defp format_error(error) do

29
lib/pleroma/web/activity_pub/transmogrifier.ex
View file

@ -518,7 +518,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
end
def handle_incoming(
%{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => _id} = data,
%{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
_options
) do
with actor <- Containment.get_actor(data),
@ -532,7 +532,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
type: "Accept",
actor: followed,
object: follow_activity.data["id"],
local: false
local: false,
activity_id: id
})
else
_e -> :error
@ -540,7 +541,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
end
def handle_incoming(
%{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => _id} = data,
%{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
_options
) do
with actor <- Containment.get_actor(data),
@ -555,7 +556,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
type: "Reject",
actor: followed,
object: follow_activity.data["id"],
local: false
local: false,
activity_id: id
}) do
{:ok, activity}
else
@ -640,7 +642,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
# an error or a tombstone. This would allow us to verify that a deletion actually took
# place.
def handle_incoming(
%{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => _id} = data,
%{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => id} = data,
_options
) do
object_id = Utils.get_ap_id(object_id)
@ -649,7 +651,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
{:ok, object} <- get_obj_helper(object_id),
:ok <- Containment.contain_origin(actor.ap_id, object.data),
{:ok, activity} <- ActivityPub.delete(object, false) do
{:ok, activity} <-
ActivityPub.delete(object, local: false, activity_id: id, actor: actor.ap_id) do
{:ok, activity}
else
nil ->
@ -1053,7 +1056,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
def perform(:user_upgrade, user) do
# we pass a fake user so that the followers collection is stripped away
old_follower_address = User.ap_followers(%User{nickname: user.nickname})
maybe_retire_websub(user.ap_id)
from(
a in Activity,
@ -1095,19 +1097,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
|> User.update_and_set_cache()
end
def maybe_retire_websub(ap_id) do
# some sanity checks
if is_binary(ap_id) && String.length(ap_id) > 8 do
q =
from(
ws in Pleroma.Web.Websub.WebsubClientSubscription,
where: fragment("? like ?", ws.topic, ^"#{ap_id}%")
)
Repo.delete_all(q)
end
end
def maybe_fix_user_url(%{"url" => url} = data) when is_map(url) do
Map.put(data, "url", url["href"])
end

138
lib/pleroma/web/admin_api/admin_api_controller.ex
View file

@ -46,6 +46,8 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
:user_delete,
:users_create,
:user_toggle_activation,
:user_activate,
:user_deactivate,
:tag_users,
:untag_users,
:right_add,
@ -98,7 +100,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
ModerationLog.insert_log(%{
actor: admin,
subject: user,
subject: [user],
action: "delete"
})
@ -106,6 +108,20 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
|> json(nickname)
end
def user_delete(%{assigns: %{user: admin}} = conn, %{"nicknames" => nicknames}) do
users = nicknames |> Enum.map(&User.get_cached_by_nickname/1)
User.delete(users)
ModerationLog.insert_log(%{
actor: admin,
subject: users,
action: "delete"
})
conn
|> json(nicknames)
end
def user_follow(%{assigns: %{user: admin}} = conn, %{
"follower" => follower_nick,
"followed" => followed_nick
@ -240,7 +256,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
ModerationLog.insert_log(%{
actor: admin,
subject: user,
subject: [user],
action: action
})
@ -249,6 +265,36 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
|> render("show.json", %{user: updated_user})
end
def user_activate(%{assigns: %{user: admin}} = conn, %{"nicknames" => nicknames}) do
users = Enum.map(nicknames, &User.get_cached_by_nickname/1)
{:ok, updated_users} = User.deactivate(users, false)
ModerationLog.insert_log(%{
actor: admin,
subject: users,
action: "activate"
})
conn
|> put_view(AccountView)
|> render("index.json", %{users: Keyword.values(updated_users)})
end
def user_deactivate(%{assigns: %{user: admin}} = conn, %{"nicknames" => nicknames}) do
users = Enum.map(nicknames, &User.get_cached_by_nickname/1)
{:ok, updated_users} = User.deactivate(users, true)
ModerationLog.insert_log(%{
actor: admin,
subject: users,
action: "deactivate"
})
conn
|> put_view(AccountView)
|> render("index.json", %{users: Keyword.values(updated_users)})
end
def tag_users(%{assigns: %{user: admin}} = conn, %{"nicknames" => nicknames, "tags" => tags}) do
with {:ok, _} <- User.tag(nicknames, tags) do
ModerationLog.insert_log(%{
@ -313,6 +359,31 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
|> Enum.into(%{}, &{&1, true})
end
def right_add_multiple(%{assigns: %{user: admin}} = conn, %{
"permission_group" => permission_group,
"nicknames" => nicknames
})
when permission_group in ["moderator", "admin"] do
info = Map.put(%{}, "is_" <> permission_group, true)
users = nicknames |> Enum.map(&User.get_cached_by_nickname/1)
User.update_info(users, &User.Info.admin_api_update(&1, info))
ModerationLog.insert_log(%{
action: "grant",
actor: admin,
subject: users,
permission: permission_group
})
json(conn, info)
end
def right_add_multiple(conn, _) do
render_error(conn, :not_found, "No such permission_group")
end
def right_add(%{assigns: %{user: admin}} = conn, %{
"permission_group" => permission_group,
"nickname" => nickname
@ -328,7 +399,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
ModerationLog.insert_log(%{
action: "grant",
actor: admin,
subject: user,
subject: [user],
permission: permission_group
})
@ -349,8 +420,36 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
})
end
def right_delete(%{assigns: %{user: %{nickname: nickname}}} = conn, %{"nickname" => nickname}) do
render_error(conn, :forbidden, "You can't revoke your own admin status.")
def right_delete_multiple(
%{assigns: %{user: %{nickname: admin_nickname} = admin}} = conn,
%{
"permission_group" => permission_group,
"nicknames" => nicknames
}
)
when permission_group in ["moderator", "admin"] do
with false <- Enum.member?(nicknames, admin_nickname) do
info = Map.put(%{}, "is_" <> permission_group, false)
users = nicknames |> Enum.map(&User.get_cached_by_nickname/1)
User.update_info(users, &User.Info.admin_api_update(&1, info))
ModerationLog.insert_log(%{
action: "revoke",
actor: admin,
subject: users,
permission: permission_group
})
json(conn, info)
else
_ -> render_error(conn, :forbidden, "You can't revoke your own admin/moderator status.")
end
end
def right_delete_multiple(conn, _) do
render_error(conn, :not_found, "No such permission_group")
end
def right_delete(
@ -371,33 +470,24 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
ModerationLog.insert_log(%{
action: "revoke",
actor: admin,
subject: user,
subject: [user],
permission: permission_group
})
json(conn, info)
end
def right_delete(conn, _) do
render_error(conn, :not_found, "No such permission_group")
def right_delete(%{assigns: %{user: %{nickname: nickname}}} = conn, %{"nickname" => nickname}) do
render_error(conn, :forbidden, "You can't revoke your own admin status.")
end
def set_activation_status(%{assigns: %{user: admin}} = conn, %{
"nickname" => nickname,
"status" => status
}) do
with {:ok, status} <- Ecto.Type.cast(:boolean, status),
%User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, _} <- User.deactivate(user, !status) do
action = if(user.info.deactivated, do: "activate", else: "deactivate")
ModerationLog.insert_log(%{
actor: admin,
subject: user,
action: action
})
json_response(conn, :no_content, "")
def relay_list(conn, _params) do
with {:ok, list} <- Relay.list() do
json(conn, %{relays: list})
else
_ ->
conn
|> put_status(500)
end
end

6
lib/pleroma/web/admin_api/views/account_view.ex
View file

@ -19,6 +19,12 @@ defmodule Pleroma.Web.AdminAPI.AccountView do
}
end
def render("index.json", %{users: users}) do
%{
users: render_many(users, AccountView, "show.json", as: :user)
}
end
def render("show.json", %{user: user}) do
avatar = User.avatar_url(user) |> MediaProxy.url()
display_name = HTML.strip_tags(user.name || user.nickname)

52
lib/pleroma/web/federator/federator.ex
View file

@ -10,19 +10,11 @@ defmodule Pleroma.Web.Federator do
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.Federator.Publisher
alias Pleroma.Web.OStatus
alias Pleroma.Web.Websub
alias Pleroma.Workers.PublisherWorker
alias Pleroma.Workers.ReceiverWorker
alias Pleroma.Workers.SubscriberWorker
require Logger
def init do
# To do: consider removing this call in favor of scheduled execution (`quantum`-based)
refresh_subscriptions(schedule_in: 60)
end
@doc "Addresses [memory leaks on recursive replies fetching](https://git.pleroma.social/pleroma/pleroma/issues/161)"
# credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
def allowed_incoming_reply_depth?(depth) do
@ -37,10 +29,6 @@ defmodule Pleroma.Web.Federator do
# Client API
def incoming_doc(doc) do
ReceiverWorker.enqueue("incoming_doc", %{"body" => doc})
end
def incoming_ap_doc(params) do
ReceiverWorker.enqueue("incoming_ap_doc", %{"params" => params})
end
@ -53,18 +41,6 @@ defmodule Pleroma.Web.Federator do
PublisherWorker.enqueue("publish", %{"activity_id" => activity.id})
end
def verify_websub(websub) do
SubscriberWorker.enqueue("verify_websub", %{"websub_id" => websub.id})
end
def request_subscription(websub) do
SubscriberWorker.enqueue("request_subscription", %{"websub_id" => websub.id})
end
def refresh_subscriptions(worker_args \\ []) do
SubscriberWorker.enqueue("refresh_subscriptions", %{}, worker_args ++ [max_attempts: 1])
end
# Job Worker Callbacks
@spec perform(atom(), module(), any()) :: {:ok, any()} | {:error, any()}
@ -81,11 +57,6 @@ defmodule Pleroma.Web.Federator do
end
end
def perform(:incoming_doc, doc) do
Logger.info("Got document, trying to parse")
OStatus.handle_incoming(doc)
end
def perform(:incoming_ap_doc, params) do
Logger.info("Handling incoming AP activity")
@ -111,29 +82,6 @@ defmodule Pleroma.Web.Federator do
end
end
def perform(:request_subscription, websub) do
Logger.debug("Refreshing #{websub.topic}")
with {:ok, websub} <- Websub.request_subscription(websub) do
Logger.debug("Successfully refreshed #{websub.topic}")
else
_e -> Logger.debug("Couldn't refresh #{websub.topic}")
end
end
def perform(:verify_websub, websub) do
Logger.debug(fn ->
"Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
end)
Websub.verify(websub)
end
def perform(:refresh_subscriptions) do
Logger.debug("Federator running refresh subscriptions")
Websub.refresh_subscriptions()
end
def ap_enabled_actor(id) do
user = User.get_cached_by_ap_id(id)

26
lib/pleroma/web/federator/publisher.ex
View file

@ -80,4 +80,30 @@ defmodule Pleroma.Web.Federator.Publisher do
links ++ module.gather_nodeinfo_protocol_names()
end)
end
@doc """
Gathers a set of remote users given an IR envelope.
"""
def remote_users(%User{id: user_id}, %{data: %{"to" => to} = data}) do
cc = Map.get(data, "cc", [])
bcc =
data
|> Map.get("bcc", [])
|> Enum.reduce([], fn ap_id, bcc ->
case Pleroma.List.get_by_ap_id(ap_id) do
%Pleroma.List{user_id: ^user_id} = list ->
{:ok, following} = Pleroma.List.get_following(list)
bcc ++ Enum.map(following, & &1.ap_id)
_ ->
bcc
end
end)
[to, cc, bcc]
|> Enum.concat()
|> Enum.map(&User.get_cached_by_ap_id/1)
|> Enum.filter(fn user -> user && !user.local end)
end
end

6
lib/pleroma/web/masto_fe_controller.ex
View file

@ -34,6 +34,12 @@ defmodule Pleroma.Web.MastoFEController do
end
end
@doc "GET /web/manifest.json"
def manifest(conn, _params) do
conn
|> render("manifest.json")
end
@doc "PUT /api/web/settings"
def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _params) do
with {:ok, _} <- User.update_info(user, &User.Info.mastodon_settings_update(&1, settings)) do

6
lib/pleroma/web/mastodon_api/controllers/status_controller.ex
View file

@ -167,7 +167,11 @@ defmodule Pleroma.Web.MastodonAPI.StatusController do
def show(%{assigns: %{user: user}} = conn, %{"id" => id}) do
with %Activity{} = activity <- Activity.get_by_id_with_object(id),
true <- Visibility.visible_for_user?(activity, user) do
try_render(conn, "show.json", activity: activity, for: user)
try_render(conn, "show.json",
activity: activity,
for: user,
with_direct_conversation_id: true
)
end
end

1
lib/pleroma/web/mastodon_api/mastodon_api.ex
View file

@ -71,6 +71,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
defp cast_params(params) do
param_types = %{
exclude_types: {:array, :string},
exclude_visibilities: {:array, :string},
reblogs: :boolean,
with_muted: :boolean
}

7
lib/pleroma/web/mastodon_api/websocket_handler.ex
View file

@ -35,6 +35,13 @@ defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
{_, stream} <- List.keyfind(params, "stream", 0),
{:ok, user} <- allow_request(stream, [access_token, sec_websocket]),
topic when is_binary(topic) <- expand_topic(stream, params) do
req =
if sec_websocket do
:cowboy_req.set_resp_header("sec-websocket-protocol", sec_websocket, req)
else
req
end
{:cowboy_websocket, req, %{user: user, topic: topic}, %{idle_timeout: @timeout}}
else
{:error, code} ->

313
lib/pleroma/web/ostatus/activity_representer.ex
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@ -1,313 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.ActivityRepresenter do
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.OStatus.UserRepresenter
require Logger
require Pleroma.Constants
defp get_href(id) do
with %Object{data: %{"external_url" => external_url}} <- Object.get_cached_by_ap_id(id) do
external_url
else
_e -> id
end
end
defp get_in_reply_to(activity) do
with %Object{data: %{"inReplyTo" => in_reply_to}} <- Object.normalize(activity) do
[
{:"thr:in-reply-to",
[ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}
]
else
_ ->
[]
end
end
defp get_mentions(to) do
Enum.map(to, fn id ->
cond do
# Special handling for the AP/Ostatus public collections
Pleroma.Constants.as_public() == id ->
{:link,
[
rel: "mentioned",
"ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection",
href: "http://activityschema.org/collection/public"
], []}
# Ostatus doesn't handle follower collections, ignore these.
Regex.match?(~r/^#{Pleroma.Web.base_url()}.+followers$/, id) ->
[]
true ->
{:link,
[
rel: "mentioned",
"ostatus:object-type": "http://activitystrea.ms/schema/1.0/person",
href: id
], []}
end
end)
end
defp get_links(%{local: true}, %{"id" => object_id}) do
h = fn str -> [to_charlist(str)] end
[
{:link, [type: ['application/atom+xml'], href: h.(object_id), rel: 'self'], []},
{:link, [type: ['text/html'], href: h.(object_id), rel: 'alternate'], []}
]
end
defp get_links(%{local: false}, %{"external_url" => external_url}) do
h = fn str -> [to_charlist(str)] end
[
{:link, [type: ['text/html'], href: h.(external_url), rel: 'alternate'], []}
]
end
defp get_links(_activity, _object_data), do: []
defp get_emoji_links(emojis) do
Enum.map(emojis, fn {emoji, file} ->
{:link, [name: to_charlist(emoji), rel: 'emoji', href: to_charlist(file)], []}
end)
end
def to_simple_form(activity, user, with_author \\ false)
def to_simple_form(%{data: %{"type" => "Create"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
object = Object.normalize(activity)
updated_at = object.data["published"]
inserted_at = object.data["published"]
attachments =
Enum.map(object.data["attachment"] || [], fn attachment ->
url = hd(attachment["url"])
{:link,
[rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])],
[]}
end)
in_reply_to = get_in_reply_to(activity)
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = activity.recipients |> get_mentions
categories =
(object.data["tag"] || [])
|> Enum.map(fn tag ->
if is_binary(tag) do
{:category, [term: to_charlist(tag)], []}
else
nil
end
end)
|> Enum.filter(& &1)
emoji_links = get_emoji_links(object.data["emoji"] || %{})
summary =
if object.data["summary"] do
[{:summary, [], h.(object.data["summary"])}]
else
[]
end
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
# For notes, federate the object id.
{:id, h.(object.data["id"])},
{:title, ['New note by #{user.nickname}']},
{:content, [type: 'html'], h.(object.data["content"] |> String.replace(~r/[\n\r]/, ""))},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"ostatus:conversation", [ref: h.(activity.data["context"])],
h.(activity.data["context"])},
{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []}
] ++
summary ++
get_links(activity, object.data) ++
categories ++ attachments ++ in_reply_to ++ author ++ mentions ++ emoji_links
end
def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = activity.recipients |> get_mentions
[
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/favorite']},
{:id, h.(activity.data["id"])},
{:title, ['New favorite by #{user.nickname}']},
{:content, [type: 'html'], ['#{user.nickname} favorited something']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object",
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
# For notes, federate the object id.
{:id, h.(activity.data["object"])}
]},
{:"ostatus:conversation", [ref: h.(activity.data["context"])],
h.(activity.data["context"])},
{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
{:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
] ++ author ++ mentions
end
def to_simple_form(%{data: %{"type" => "Announce"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
retweeted_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
retweeted_object = Object.normalize(retweeted_activity)
retweeted_user = User.get_cached_by_ap_id(retweeted_activity.data["actor"])
retweeted_xml = to_simple_form(retweeted_activity, retweeted_user, true)
mentions =
([retweeted_user.ap_id] ++ activity.recipients)
|> Enum.uniq()
|> get_mentions()
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/share']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} repeated a notice']},
{:content, [type: 'html'], ['RT #{retweeted_object.data["content"]}']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"ostatus:conversation", [ref: h.(activity.data["context"])],
h.(activity.data["context"])},
{:link, [ref: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []},
{:"activity:object", retweeted_xml}
] ++ mentions ++ author
end
def to_simple_form(%{data: %{"type" => "Follow"}} = activity, user, with_author) do
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = (activity.recipients || []) |> get_mentions
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/follow']},
{:id, h.(activity.data["id"])},
{:title, ['#{user.nickname} started following #{activity.data["object"]}']},
{:content, [type: 'html'],
['#{user.nickname} started following #{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.(activity.data["object"])},
{:uri, h.(activity.data["object"])}
]},
{:link, [rel: 'self', type: ['application/atom+xml'], href: h.(activity.data["id"])], []}
] ++ mentions ++ author
end
# Only undos of follow for now. Will need to get redone once there are more
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"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = (activity.recipients || []) |> get_mentions
follow_activity = Activity.normalize(follow_activity)
[
{:"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
h = fn str -> [to_charlist(str)] end
updated_at = activity.data["published"]
inserted_at = activity.data["published"]
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/activity']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/delete']},
{:id, h.(activity.data["object"])},
{:title, ['An object was deleted']},
{:content, [type: 'html'], ['An object was deleted']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)}
] ++ author
end
def to_simple_form(_, _, _), do: nil
def wrap_with_entry(simple_form) do
[
{
:entry,
[
xmlns: 'http://www.w3.org/2005/Atom',
"xmlns:thr": 'http://purl.org/syndication/thread/1.0',
"xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
"xmlns:poco": 'http://portablecontacts.net/spec/1.0',
"xmlns:ostatus": 'http://ostatus.org/schema/1.0'
],
simple_form
}
]
end
end

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lib/pleroma/web/ostatus/feed_representer.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.FeedRepresenter do
alias Pleroma.User
alias Pleroma.Web.MediaProxy
alias Pleroma.Web.OStatus
alias Pleroma.Web.OStatus.ActivityRepresenter
alias Pleroma.Web.OStatus.UserRepresenter
def to_simple_form(user, activities, _users) do
most_recent_update =
(List.first(activities) || user).updated_at
|> NaiveDateTime.to_iso8601()
h = fn str -> [to_charlist(str)] end
last_activity = List.last(activities)
entries =
activities
|> Enum.map(fn activity ->
{:entry, ActivityRepresenter.to_simple_form(activity, user)}
end)
|> Enum.filter(fn {_, form} -> form end)
[
{
:feed,
[
xmlns: 'http://www.w3.org/2005/Atom',
"xmlns:thr": 'http://purl.org/syndication/thread/1.0',
"xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
"xmlns:poco": 'http://portablecontacts.net/spec/1.0',
"xmlns:ostatus": 'http://ostatus.org/schema/1.0'
],
[
{:id, h.(OStatus.feed_path(user))},
{:title, ['#{user.nickname}\'s timeline']},
{:updated, h.(most_recent_update)},
{:logo, [to_charlist(User.avatar_url(user) |> MediaProxy.url())]},
{:link, [rel: 'hub', href: h.(OStatus.pubsub_path(user))], []},
{:link, [rel: 'salmon', href: h.(OStatus.salmon_path(user))], []},
{:link, [rel: 'self', href: h.(OStatus.feed_path(user)), type: 'application/atom+xml'],
[]},
{:author, UserRepresenter.to_simple_form(user)}
] ++
if last_activity do
[
{:link,
[
rel: 'next',
href:
to_charlist(OStatus.feed_path(user)) ++
'?max_id=' ++ to_charlist(last_activity.id),
type: 'application/atom+xml'
], []}
]
else
[]
end ++ entries
}
]
end
end

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lib/pleroma/web/ostatus/handlers/delete_handler.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.DeleteHandler do
require Logger
alias Pleroma.Object
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.XML
def handle_delete(entry, _doc \\ nil) do
with id <- XML.string_from_xpath("//id", entry),
%Object{} = object <- Object.normalize(id),
{:ok, delete} <- ActivityPub.delete(object, false) do
delete
end
end
end

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lib/pleroma/web/ostatus/handlers/follow_handler.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.FollowHandler do
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.OStatus
alias Pleroma.Web.XML
def handle(entry, doc) do
with {:ok, actor} <- OStatus.find_make_or_update_actor(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),
{:locked, false} <- {:locked, followed.info.locked},
{:ok, activity} <- ActivityPub.follow(actor, followed, id, false) do
User.follow(actor, followed)
{:ok, activity}
else
{:locked, true} ->
{:error, "It's not possible to follow locked accounts over OStatus"}
end
end
end

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lib/pleroma/web/ostatus/handlers/note_handler.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.NoteHandler do
require Logger
require Pleroma.Constants
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.Federator
alias Pleroma.Web.OStatus
alias Pleroma.Web.XML
@doc """
Get the context for this note. Uses this:
1. The context of the parent activity
2. The conversation reference in the ostatus xml
3. A newly generated context id.
"""
def get_context(entry, in_reply_to) do
context =
(XML.string_from_xpath("//ostatus:conversation[1]", entry) ||
XML.string_from_xpath("//ostatus:conversation[1]/@ref", entry) || "")
|> String.trim()
with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(in_reply_to) do
context
else
_e ->
if String.length(context) > 0 do
context
else
Utils.generate_context_id()
end
end
end
def get_people_mentions(entry) do
:xmerl_xpath.string(
'//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]',
entry
)
|> Enum.map(fn person -> XML.string_from_xpath("@href", person) end)
end
def get_collection_mentions(entry) do
transmogrify = fn
"http://activityschema.org/collection/public" ->
Pleroma.Constants.as_public()
group ->
group
end
:xmerl_xpath.string(
'//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/collection"]',
entry
)
|> Enum.map(fn collection -> XML.string_from_xpath("@href", collection) |> transmogrify.() end)
end
def get_mentions(entry) do
(get_people_mentions(entry) ++ get_collection_mentions(entry))
|> Enum.filter(& &1)
end
def get_emoji(entry) do
try do
:xmerl_xpath.string('//link[@rel="emoji"]', entry)
|> Enum.reduce(%{}, fn emoji, acc ->
Map.put(acc, XML.string_from_xpath("@name", emoji), XML.string_from_xpath("@href", emoji))
end)
rescue
_e -> nil
end
end
def make_to_list(actor, mentions) do
[
actor.follower_address
] ++ mentions
end
def add_external_url(note, entry) do
url = XML.string_from_xpath("//link[@rel='alternate' and @type='text/html']/@href", entry)
Map.put(note, "external_url", url)
end
def fetch_replied_to_activity(entry, in_reply_to, options \\ []) do
with %Activity{} = activity <- Activity.get_create_by_object_ap_id(in_reply_to) do
activity
else
_e ->
with true <- Federator.allowed_incoming_reply_depth?(options[:depth]),
in_reply_to_href when not is_nil(in_reply_to_href) <-
XML.string_from_xpath("//thr:in-reply-to[1]/@href", entry),
{:ok, [activity | _]} <- OStatus.fetch_activity_from_url(in_reply_to_href, options) do
activity
else
_e -> nil
end
end
end
# TODO: Clean this up a bit.
def handle_note(entry, doc \\ nil, options \\ []) do
with id <- XML.string_from_xpath("//id", entry),
activity when is_nil(activity) <- Activity.get_create_by_object_ap_id_with_object(id),
[author] <- :xmerl_xpath.string('//author[1]', doc),
{:ok, actor} <- OStatus.find_make_or_update_actor(author),
content_html <- OStatus.get_content(entry),
cw <- OStatus.get_cw(entry),
in_reply_to <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
options <- Keyword.put(options, :depth, (options[:depth] || 0) + 1),
in_reply_to_activity <- fetch_replied_to_activity(entry, in_reply_to, options),
in_reply_to_object <-
(in_reply_to_activity && Object.normalize(in_reply_to_activity)) || nil,
in_reply_to <- (in_reply_to_object && in_reply_to_object.data["id"]) || in_reply_to,
attachments <- OStatus.get_attachments(entry),
context <- get_context(entry, in_reply_to),
tags <- OStatus.get_tags(entry),
mentions <- get_mentions(entry),
to <- make_to_list(actor, mentions),
date <- XML.string_from_xpath("//published", entry),
unlisted <- XML.string_from_xpath("//mastodon:scope", entry) == "unlisted",
cc <- if(unlisted, do: [Pleroma.Constants.as_public()], else: []),
note <-
CommonAPI.Utils.make_note_data(
actor.ap_id,
to,
context,
content_html,
attachments,
in_reply_to_activity,
[],
cw
),
note <- note |> Map.put("id", id) |> Map.put("tag", tags),
note <- note |> Map.put("published", date),
note <- note |> Map.put("emoji", get_emoji(entry)),
note <- add_external_url(note, entry),
note <- note |> Map.put("cc", cc),
# TODO: Handle this case in make_note_data
note <-
if(
in_reply_to && !in_reply_to_activity,
do: note |> Map.put("inReplyTo", in_reply_to),
else: note
) do
ActivityPub.create(%{
to: to,
actor: actor,
context: context,
object: note,
published: date,
local: false,
additional: %{"cc" => cc}
})
else
%Activity{} = activity -> {:ok, activity}
e -> {:error, e}
end
end
end

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lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.UnfollowHandler do
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.OStatus
alias Pleroma.Web.XML
def handle(entry, doc) do
with {:ok, actor} <- OStatus.find_make_or_update_actor(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

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lib/pleroma/web/ostatus/ostatus.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus do
import Pleroma.Web.XML
require Logger
alias Pleroma.Activity
alias Pleroma.HTTP
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.OStatus.DeleteHandler
alias Pleroma.Web.OStatus.FollowHandler
alias Pleroma.Web.OStatus.NoteHandler
alias Pleroma.Web.OStatus.UnfollowHandler
alias Pleroma.Web.WebFinger
alias Pleroma.Web.Websub
def is_representable?(%Activity{} = activity) do
object = Object.normalize(activity)
cond do
is_nil(object) ->
false
Visibility.is_public?(activity) && object.data["type"] == "Note" ->
true
true ->
false
end
end
def feed_path(user), do: "#{user.ap_id}/feed.atom"
def pubsub_path(user), do: "#{Web.base_url()}/push/hub/#{user.nickname}"
def salmon_path(user), do: "#{user.ap_id}/salmon"
def remote_follow_path, do: "#{Web.base_url()}/ostatus_subscribe?acct={uri}"
def handle_incoming(xml_string, options \\ []) do
with doc when doc != :error <- parse_document(xml_string) do
with {:ok, actor_user} <- find_make_or_update_actor(doc),
do: Pleroma.Instances.set_reachable(actor_user.ap_id)
entries = :xmerl_xpath.string('//entry', doc)
activities =
Enum.map(entries, fn entry ->
{:xmlObj, :string, object_type} =
:xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
{:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
Logger.debug("Handling #{verb}")
try do
case verb do
'http://activitystrea.ms/schema/1.0/delete' ->
with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
'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]
'http://activitystrea.ms/schema/1.0/favorite' ->
with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc),
do: [activity, favorited_activity]
_ ->
case object_type do
'http://activitystrea.ms/schema/1.0/note' ->
with {:ok, activity} <- NoteHandler.handle_note(entry, doc, options),
do: activity
'http://activitystrea.ms/schema/1.0/comment' ->
with {:ok, activity} <- NoteHandler.handle_note(entry, doc, options),
do: activity
_ ->
Logger.error("Couldn't parse incoming document")
nil
end
end
rescue
e ->
Logger.error("Error occured while handling activity")
Logger.error(xml_string)
Logger.error(inspect(e))
nil
end
end)
|> Enum.filter(& &1)
{:ok, activities}
else
_e -> {:error, []}
end
end
def make_share(entry, doc, retweeted_activity) do
with {:ok, actor} <- find_make_or_update_actor(doc),
%Object{} = object <- Object.normalize(retweeted_activity),
id when not is_nil(id) <- string_from_xpath("/entry/id", entry),
{:ok, activity, _object} = ActivityPub.announce(actor, object, id, false) do
{:ok, activity}
end
end
def handle_share(entry, doc) do
with {:ok, retweeted_activity} <- get_or_build_object(entry),
{:ok, activity} <- make_share(entry, doc, retweeted_activity) do
{:ok, activity, retweeted_activity}
else
e -> {:error, e}
end
end
def make_favorite(entry, doc, favorited_activity) do
with {:ok, actor} <- find_make_or_update_actor(doc),
%Object{} = object <- Object.normalize(favorited_activity),
id when not is_nil(id) <- string_from_xpath("/entry/id", entry),
{:ok, activity, _object} = ActivityPub.like(actor, object, id, false) do
{:ok, activity}
end
end
def get_or_build_object(entry) do
with {:ok, activity} <- get_or_try_fetching(entry) do
{:ok, activity}
else
_e ->
with [object] <- :xmerl_xpath.string('/entry/activity:object', entry) do
NoteHandler.handle_note(object, object)
end
end
end
def get_or_try_fetching(entry) do
Logger.debug("Trying to get entry from db")
with id when not is_nil(id) <- string_from_xpath("//activity:object[1]/id", entry),
%Activity{} = activity <- Activity.get_create_by_object_ap_id_with_object(id) do
{:ok, activity}
else
_ ->
Logger.debug("Couldn't get, will try to fetch")
with href when not is_nil(href) <-
string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
{:ok, [favorited_activity]} <- fetch_activity_from_url(href) do
{:ok, favorited_activity}
else
e -> Logger.debug("Couldn't find href: #{inspect(e)}")
end
end
end
def handle_favorite(entry, doc) do
with {:ok, favorited_activity} <- get_or_try_fetching(entry),
{:ok, activity} <- make_favorite(entry, doc, favorited_activity) do
{:ok, activity, favorited_activity}
else
e -> {:error, e}
end
end
def get_attachments(entry) do
:xmerl_xpath.string('/entry/link[@rel="enclosure"]', entry)
|> Enum.map(fn enclosure ->
with href when not is_nil(href) <- string_from_xpath("/link/@href", enclosure),
type when not is_nil(type) <- string_from_xpath("/link/@type", enclosure) do
%{
"type" => "Attachment",
"url" => [
%{
"type" => "Link",
"mediaType" => type,
"href" => href
}
]
}
end
end)
|> Enum.filter(& &1)
end
@doc """
Gets the content from a an entry.
"""
def get_content(entry) do
string_from_xpath("//content", entry)
end
@doc """
Get the cw that mastodon uses.
"""
def get_cw(entry) do
case string_from_xpath("/*/summary", entry) do
cw when not is_nil(cw) -> cw
_ -> nil
end
end
def get_tags(entry) do
:xmerl_xpath.string('//category', entry)
|> Enum.map(fn category -> string_from_xpath("/category/@term", category) end)
|> Enum.filter(& &1)
|> Enum.map(&String.downcase/1)
end
def maybe_update(doc, user) do
case string_from_xpath("//author[1]/ap_enabled", doc) do
"true" ->
Transmogrifier.upgrade_user_from_ap_id(user.ap_id)
_ ->
maybe_update_ostatus(doc, user)
end
end
def maybe_update_ostatus(doc, user) do
old_data = Map.take(user, [:bio, :avatar, :name])
with false <- user.local,
avatar <- make_avatar_object(doc),
bio <- string_from_xpath("//author[1]/summary", doc),
name <- string_from_xpath("//author[1]/poco:displayName", doc),
new_data <- %{
avatar: avatar || old_data.avatar,
name: name || old_data.name,
bio: bio || old_data.bio
},
false <- new_data == old_data do
change = Ecto.Changeset.change(user, new_data)
User.update_and_set_cache(change)
else
_ ->
{:ok, user}
end
end
def find_make_or_update_actor(doc) do
uri = string_from_xpath("//author/uri[1]", doc)
with {:ok, %User{} = user} <- find_or_make_user(uri),
{:ap_enabled, false} <- {:ap_enabled, User.ap_enabled?(user)} do
maybe_update(doc, user)
else
{:ap_enabled, true} ->
{:error, :invalid_protocol}
_ ->
{:error, :unknown_user}
end
end
@spec find_or_make_user(String.t()) :: {:ok, User.t()}
def find_or_make_user(uri) do
case User.get_by_ap_id(uri) do
%User{} = user -> {:ok, user}
_ -> make_user(uri)
end
end
@spec make_user(String.t(), boolean()) :: {:ok, User.t()} | {:error, any()}
def make_user(uri, update \\ false) do
with {:ok, info} <- gather_user_info(uri) do
with false <- update,
%User{} = user <- User.get_cached_by_ap_id(info["uri"]) do
{:ok, user}
else
_e -> User.insert_or_update_user(build_user_data(info))
end
end
end
defp build_user_data(info) do
%{
name: info["name"],
nickname: info["nickname"] <> "@" <> info["host"],
ap_id: info["uri"],
info: info,
avatar: info["avatar"],
bio: info["bio"]
}
end
# TODO: Just takes the first one for now.
def make_avatar_object(author_doc, rel \\ "avatar") do
href = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@href", author_doc)
type = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@type", author_doc)
if href do
%{
"type" => "Image",
"url" => [%{"type" => "Link", "mediaType" => type, "href" => href}]
}
else
nil
end
end
@spec gather_user_info(String.t()) :: {:ok, map()} | {:error, any()}
def gather_user_info(username) do
with {:ok, webfinger_data} <- WebFinger.finger(username),
{:ok, feed_data} <- Websub.gather_feed_data(webfinger_data["topic"]) do
data =
webfinger_data
|> Map.merge(feed_data)
|> Map.put("fqn", username)
{:ok, data}
else
e ->
Logger.debug(fn -> "Couldn't gather info for #{username}" end)
{:error, e}
end
end
# Regex-based 'parsing' so we don't have to pull in a full html parser
# It's a hack anyway. Maybe revisit this in the future
@mastodon_regex ~r/<link href='(.*)' rel='alternate' type='application\/atom\+xml'>/
@gs_regex ~r/<link title=.* href="(.*)" type="application\/atom\+xml" rel="alternate">/
@gs_classic_regex ~r/<link rel="alternate" href="(.*)" type="application\/atom\+xml" title=.*>/
def get_atom_url(body) do
cond do
Regex.match?(@mastodon_regex, body) ->
[[_, match]] = Regex.scan(@mastodon_regex, body)
{:ok, match}
Regex.match?(@gs_regex, body) ->
[[_, match]] = Regex.scan(@gs_regex, body)
{:ok, match}
Regex.match?(@gs_classic_regex, body) ->
[[_, match]] = Regex.scan(@gs_classic_regex, body)
{:ok, match}
true ->
Logger.debug(fn -> "Couldn't find Atom link in #{inspect(body)}" end)
{:error, "Couldn't find the Atom link"}
end
end
def fetch_activity_from_atom_url(url, options \\ []) do
with true <- String.starts_with?(url, "http"),
{:ok, %{body: body, status: code}} when code in 200..299 <-
HTTP.get(url, [{:Accept, "application/atom+xml"}]) do
Logger.debug("Got document from #{url}, handling...")
handle_incoming(body, options)
else
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
e
end
end
def fetch_activity_from_html_url(url, options \\ []) do
Logger.debug("Trying to fetch #{url}")
with true <- String.starts_with?(url, "http"),
{:ok, %{body: body}} <- HTTP.get(url, []),
{:ok, atom_url} <- get_atom_url(body) do
fetch_activity_from_atom_url(atom_url, options)
else
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
e
end
end
def fetch_activity_from_url(url, options \\ []) do
with {:ok, [_ | _] = activities} <- fetch_activity_from_atom_url(url, options) do
{:ok, activities}
else
_e -> fetch_activity_from_html_url(url, options)
end
rescue
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
{:error, "Couldn't get #{url}: #{inspect(e)}"}
end
end

46
lib/pleroma/web/ostatus/ostatus_controller.ex
View file

@ -13,19 +13,14 @@ defmodule Pleroma.Web.OStatus.OStatusController do
alias Pleroma.Web.ActivityPub.ObjectView
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Endpoint
alias Pleroma.Web.Federator
alias Pleroma.Web.Metadata.PlayerView
alias Pleroma.Web.OStatus.ActivityRepresenter
alias Pleroma.Web.Router
alias Pleroma.Web.XML
plug(
Pleroma.Plugs.RateLimiter,
{:ap_routes, params: ["uuid"]} when action in [:object, :activity]
)
plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])
plug(
Pleroma.Plugs.SetFormatPlug
when action in [:object, :activity, :notice]
@ -33,32 +28,6 @@ defmodule Pleroma.Web.OStatus.OStatusController do
action_fallback(:errors)
defp decode_or_retry(body) do
with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
{:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
{:ok, doc}
else
_e ->
with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
doc <- XML.parse_document(decoded),
uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
{:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
{:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
{:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
{:ok, doc}
end
end
end
def salmon_incoming(conn, _) do
{:ok, body, _conn} = read_body(conn)
{:ok, doc} = decode_or_retry(body)
Federator.incoming_doc(doc)
send_resp(conn, 200, "")
end
def object(%{assigns: %{format: format}} = conn, %{"uuid" => _uuid})
when format in ["json", "activity+json"] do
ActivityPubController.call(conn, :object)
@ -179,23 +148,10 @@ defmodule Pleroma.Web.OStatus.OStatusController do
|> render("object.json", %{object: object})
end
defp represent_activity(_conn, "activity+json", _, _) do
defp represent_activity(_conn, _, _, _) do
{:error, :not_found}
end
defp represent_activity(conn, _, activity, user) do
response =
activity
|> ActivityRepresenter.to_simple_form(user, true)
|> ActivityRepresenter.wrap_with_entry()
|> :xmerl.export_simple(:xmerl_xml)
|> to_string
conn
|> put_resp_content_type("application/atom+xml")
|> send_resp(200, response)
end
def errors(conn, {:error, :not_found}) do
render_error(conn, :not_found, "Not found")
end

41
lib/pleroma/web/ostatus/user_representer.ex
View file

@ -1,41 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OStatus.UserRepresenter do
alias Pleroma.User
def to_simple_form(user) do
ap_id = to_charlist(user.ap_id)
nickname = to_charlist(user.nickname)
name = to_charlist(user.name)
bio = to_charlist(user.bio)
avatar_url = to_charlist(User.avatar_url(user))
banner =
if banner_url = User.banner_url(user) do
[{:link, [rel: 'header', href: banner_url], []}]
else
[]
end
ap_enabled =
if user.local do
[{:ap_enabled, ['true']}]
else
[]
end
[
{:id, [ap_id]},
{:"activity:object", ['http://activitystrea.ms/schema/1.0/person']},
{:uri, [ap_id]},
{:"poco:preferredUsername", [nickname]},
{:"poco:displayName", [name]},
{:"poco:note", [bio]},
{:summary, [bio]},
{:name, [nickname]},
{:link, [rel: 'avatar', href: avatar_url], []}
] ++ banner ++ ap_enabled
end
end

9
lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex
View file

@ -79,6 +79,15 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
end
end
def read_conversations(%{assigns: %{user: user}} = conn, _params) do
with {:ok, participations} <- Participation.mark_all_as_read(user) do
conn
|> add_link_headers(participations)
|> put_view(ConversationView)
|> render("participations.json", participations: participations, for: user)
end
end
def read_notification(%{assigns: %{user: user}} = conn, %{"id" => notification_id}) do
with {:ok, notification} <- Notification.read_one(user, notification_id) do
conn

24
lib/pleroma/web/router.ex
View file

@ -137,11 +137,14 @@ defmodule Pleroma.Web.Router do
delete("/users", AdminAPIController, :user_delete)
post("/users", AdminAPIController, :users_create)
patch("/users/:nickname/toggle_activation", AdminAPIController, :user_toggle_activation)
patch("/users/activate", AdminAPIController, :user_activate)
patch("/users/deactivate", AdminAPIController, :user_deactivate)
put("/users/tag", AdminAPIController, :tag_users)
delete("/users/tag", AdminAPIController, :untag_users)
get("/users/:nickname/permission_group", AdminAPIController, :right_get)
get("/users/:nickname/permission_group/:permission_group", AdminAPIController, :right_get)
post("/users/:nickname/permission_group/:permission_group", AdminAPIController, :right_add)
delete(
@ -150,8 +153,15 @@ defmodule Pleroma.Web.Router do
:right_delete
)
put("/users/:nickname/activation_status", AdminAPIController, :set_activation_status)
post("/users/permission_group/:permission_group", AdminAPIController, :right_add_multiple)
delete(
"/users/permission_group/:permission_group",
AdminAPIController,
:right_delete_multiple
)
get("/relay", AdminAPIController, :relay_list)
post("/relay", AdminAPIController, :relay_follow)
delete("/relay", AdminAPIController, :relay_unfollow)
@ -256,6 +266,7 @@ defmodule Pleroma.Web.Router do
get("/conversations/:id/statuses", PleromaAPIController, :conversation_statuses)
get("/conversations/:id", PleromaAPIController, :conversation)
post("/conversations/read", PleromaAPIController, :read_conversations)
end
scope [] do
@ -499,11 +510,6 @@ defmodule Pleroma.Web.Router do
get("/users/:nickname/feed", Feed.FeedController, :feed)
get("/users/:nickname", Feed.FeedController, :feed_redirect)
post("/users/:nickname/salmon", OStatus.OStatusController, :salmon_incoming)
post("/push/hub/:nickname", Websub.WebsubController, :websub_subscription_request)
get("/push/subscriptions/:id", Websub.WebsubController, :websub_subscription_confirmation)
post("/push/subscriptions/:id", Websub.WebsubController, :websub_incoming)
get("/mailer/unsubscribe/:token", Mailer.SubscriptionController, :unsubscribe)
end
@ -586,6 +592,12 @@ defmodule Pleroma.Web.Router do
get("/:version", Nodeinfo.NodeinfoController, :nodeinfo)
end
scope "/", Pleroma.Web do
pipe_through(:api)
get("/web/manifest.json", MastoFEController, :manifest)
end
scope "/", Pleroma.Web do
pipe_through(:mastodon_html)

254
lib/pleroma/web/salmon/salmon.ex
View file

@ -1,254 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Salmon do
@behaviour Pleroma.Web.Federator.Publisher
use Bitwise
alias Pleroma.Activity
alias Pleroma.HTTP
alias Pleroma.Instances
alias Pleroma.Keys
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Federator.Publisher
alias Pleroma.Web.OStatus
alias Pleroma.Web.OStatus.ActivityRepresenter
alias Pleroma.Web.XML
require Logger
def decode(salmon) do
doc = XML.parse_document(salmon)
{:xmlObj, :string, data} = :xmerl_xpath.string('string(//me:data[1])', doc)
{:xmlObj, :string, sig} = :xmerl_xpath.string('string(//me:sig[1])', doc)
{:xmlObj, :string, alg} = :xmerl_xpath.string('string(//me:alg[1])', doc)
{:xmlObj, :string, encoding} = :xmerl_xpath.string('string(//me:encoding[1])', doc)
{:xmlObj, :string, type} = :xmerl_xpath.string('string(//me:data[1]/@type)', doc)
{:ok, data} = Base.url_decode64(to_string(data), ignore: :whitespace)
{:ok, sig} = Base.url_decode64(to_string(sig), ignore: :whitespace)
alg = to_string(alg)
encoding = to_string(encoding)
type = to_string(type)
[data, type, encoding, alg, sig]
end
def fetch_magic_key(salmon) do
with [data, _, _, _, _] <- decode(salmon),
doc <- XML.parse_document(data),
uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
{:ok, public_key} <- User.get_public_key_for_ap_id(uri),
magic_key <- encode_key(public_key) do
{:ok, magic_key}
end
end
def decode_and_validate(magickey, salmon) do
[data, type, encoding, alg, sig] = decode(salmon)
signed_text =
[data, type, encoding, alg]
|> Enum.map(&Base.url_encode64/1)
|> Enum.join(".")
key = decode_key(magickey)
verify = :public_key.verify(signed_text, :sha256, sig, key)
if verify do
{:ok, data}
else
:error
end
end
def decode_key("RSA." <> magickey) do
make_integer = fn bin ->
list = :erlang.binary_to_list(bin)
Enum.reduce(list, 0, fn el, acc -> acc <<< 8 ||| el end)
end
[modulus, exponent] =
magickey
|> String.split(".")
|> Enum.map(fn n -> Base.url_decode64!(n, padding: false) end)
|> Enum.map(make_integer)
{:RSAPublicKey, modulus, exponent}
end
def encode_key({:RSAPublicKey, modulus, exponent}) do
modulus_enc = :binary.encode_unsigned(modulus) |> Base.url_encode64()
exponent_enc = :binary.encode_unsigned(exponent) |> Base.url_encode64()
"RSA.#{modulus_enc}.#{exponent_enc}"
end
def encode(private_key, doc) do
type = "application/atom+xml"
encoding = "base64url"
alg = "RSA-SHA256"
signed_text =
[doc, type, encoding, alg]
|> Enum.map(&Base.url_encode64/1)
|> Enum.join(".")
signature =
signed_text
|> :public_key.sign(:sha256, private_key)
|> to_string
|> Base.url_encode64()
doc_base64 =
doc
|> Base.url_encode64()
# Don't need proper xml building, these strings are safe to leave unescaped
salmon = """
<?xml version="1.0" encoding="UTF-8"?>
<me:env xmlns:me="http://salmon-protocol.org/ns/magic-env">
<me:data type="application/atom+xml">#{doc_base64}</me:data>
<me:encoding>#{encoding}</me:encoding>
<me:alg>#{alg}</me:alg>
<me:sig>#{signature}</me:sig>
</me:env>
"""
{:ok, salmon}
end
def remote_users(%User{id: user_id}, %{data: %{"to" => to} = data}) do
cc = Map.get(data, "cc", [])
bcc =
data
|> Map.get("bcc", [])
|> Enum.reduce([], fn ap_id, bcc ->
case Pleroma.List.get_by_ap_id(ap_id) do
%Pleroma.List{user_id: ^user_id} = list ->
{:ok, following} = Pleroma.List.get_following(list)
bcc ++ Enum.map(following, & &1.ap_id)
_ ->
bcc
end
end)
[to, cc, bcc]
|> Enum.concat()
|> Enum.map(&User.get_cached_by_ap_id/1)
|> Enum.filter(fn user -> user && !user.local end)
end
@doc "Pushes an activity to remote account."
def publish_one(%{recipient: %{info: %{salmon: salmon}}} = params),
do: publish_one(Map.put(params, :recipient, salmon))
def publish_one(%{recipient: url, feed: feed} = params) when is_binary(url) do
with {:ok, %{status: code}} when code in 200..299 <-
HTTP.post(
url,
feed,
[{"Content-Type", "application/magic-envelope+xml"}]
) do
if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
do: Instances.set_reachable(url)
Logger.debug(fn -> "Pushed to #{url}, code #{code}" end)
{:ok, code}
else
e ->
unless params[:unreachable_since], do: Instances.set_reachable(url)
Logger.debug(fn -> "Pushing Salmon to #{url} failed, #{inspect(e)}" end)
{:error, "Unreachable instance"}
end
end
def publish_one(%{recipient_id: recipient_id} = params) do
recipient = User.get_cached_by_id(recipient_id)
params
|> Map.delete(:recipient_id)
|> Map.put(:recipient, recipient)
|> publish_one()
end
def publish_one(_), do: :noop
@supported_activities [
"Create",
"Follow",
"Like",
"Announce",
"Undo",
"Delete"
]
def is_representable?(%Activity{data: %{"type" => type}} = activity)
when type in @supported_activities,
do: Visibility.is_public?(activity)
def is_representable?(_), do: false
@doc """
Publishes an activity to remote accounts
"""
@spec publish(User.t(), Pleroma.Activity.t()) :: none
def publish(user, activity)
def publish(%{keys: keys} = user, %{data: %{"type" => type}} = activity)
when type in @supported_activities do
feed = ActivityRepresenter.to_simple_form(activity, user, true)
if feed do
feed =
ActivityRepresenter.wrap_with_entry(feed)
|> :xmerl.export_simple(:xmerl_xml)
|> to_string
{:ok, private, _} = Keys.keys_from_pem(keys)
{:ok, feed} = encode(private, feed)
remote_users = remote_users(user, activity)
salmon_urls = Enum.map(remote_users, & &1.info.salmon)
reachable_urls_metadata = Instances.filter_reachable(salmon_urls)
reachable_urls = Map.keys(reachable_urls_metadata)
remote_users
|> Enum.filter(&(&1.info.salmon in reachable_urls))
|> Enum.each(fn remote_user ->
Logger.debug(fn -> "Sending Salmon to #{remote_user.ap_id}" end)
Publisher.enqueue_one(__MODULE__, %{
recipient_id: remote_user.id,
feed: feed,
unreachable_since: reachable_urls_metadata[remote_user.info.salmon]
})
end)
end
end
def publish(%{id: id}, _), do: Logger.debug(fn -> "Keys missing for user #{id}" end)
def gather_webfinger_links(%User{} = user) do
{:ok, _private, public} = Keys.keys_from_pem(user.keys)
magic_key = encode_key(public)
[
%{"rel" => "salmon", "href" => OStatus.salmon_path(user)},
%{
"rel" => "magic-public-key",
"href" => "data:application/magic-public-key,#{magic_key}"
}
]
end
def gather_nodeinfo_protocol_names, do: []
end

6
lib/pleroma/web/streamer/streamer.ex
View file

@ -49,7 +49,7 @@ defmodule Pleroma.Web.Streamer do
end
end
defp handle_should_send(_) do
true
end
defp handle_should_send(:benchmark), do: false
defp handle_should_send(_), do: true
end

2
lib/pleroma/web/templates/feed/feed/feed.xml.eex
View file

@ -10,8 +10,6 @@
<title><%= @user.nickname <> "'s timeline" %></title>
<updated><%= most_recent_update(@activities, @user) %></updated>
<logo><%= logo(@user) %></logo>
<link rel="hub" href="<%= websub_url(@conn, :websub_subscription_request, @user.nickname) %>"/>
<link rel="salmon" href="<%= o_status_url(@conn, :salmon_incoming, @user.nickname) %>"/>
<link rel="self" href="<%= '#{feed_url(@conn, :feed, @user.nickname)}.atom' %>" type="application/atom+xml"/>
<%= render @view_module, "_author.xml", assigns %>

6
lib/pleroma/web/templates/masto_fe/index.html.eex
View file

@ -4,9 +4,13 @@
<meta charset='utf-8'>
<meta content='width=device-width, initial-scale=1' name='viewport'>
<title>
<%= Pleroma.Config.get([:instance, :name]) %>
<%= Config.get([:instance, :name]) %>
</title>
<link rel="icon" type="image/png" href="/favicon.png"/>
<link rel="manifest" type="applicaton/manifest+json" href="<%= masto_fe_path(Pleroma.Web.Endpoint, :manifest) %>" />
<meta name="theme-color" content="<%= Config.get([:manifest, :theme_color]) %>" />
<script crossorigin='anonymous' src="/packs/locales.js"></script>
<script crossorigin='anonymous' src="/packs/locales/glitch/en.js"></script>

19
lib/pleroma/web/views/masto_fe_view.ex
View file

@ -99,4 +99,23 @@ defmodule Pleroma.Web.MastoFEView do
defp present?(nil), do: false
defp present?(false), do: false
defp present?(_), do: true
def render("manifest.json", _params) do
%{
name: Config.get([:instance, :name]),
description: Config.get([:instance, :description]),
icons: Config.get([:manifest, :icons]),
theme_color: Config.get([:manifest, :theme_color]),
background_color: Config.get([:manifest, :background_color]),
display: "standalone",
scope: Pleroma.Web.base_url(),
start_url: masto_fe_path(Pleroma.Web.Endpoint, :index, ["getting-started"]),
categories: [
"social"
],
serviceworker: %{
src: "/sw.js"
}
}
end
end

12
lib/pleroma/web/web_finger/web_finger.ex
View file

@ -108,7 +108,6 @@ defmodule Pleroma.Web.WebFinger do
doc
),
subject <- XML.string_from_xpath("//Subject", doc),
salmon <- XML.string_from_xpath(~s{//Link[@rel="salmon"]/@href}, doc),
subscribe_address <-
XML.string_from_xpath(
~s{//Link[@rel="http://ostatus.org/schema/1.0/subscribe"]/@template},
@ -123,7 +122,6 @@ defmodule Pleroma.Web.WebFinger do
"magic_key" => magic_key,
"topic" => topic,
"subject" => subject,
"salmon" => salmon,
"subscribe_address" => subscribe_address,
"ap_id" => ap_id
}
@ -148,16 +146,6 @@ defmodule Pleroma.Web.WebFinger do
{"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", "self"} ->
Map.put(data, "ap_id", link["href"])
{_, "magic-public-key"} ->
"data:application/magic-public-key," <> magic_key = link["href"]
Map.put(data, "magic_key", magic_key)
{"application/atom+xml", "http://schemas.google.com/g/2010#updates-from"} ->
Map.put(data, "topic", link["href"])
{_, "salmon"} ->
Map.put(data, "salmon", link["href"])
{_, "http://ostatus.org/schema/1.0/subscribe"} ->
Map.put(data, "subscribe_address", link["template"])

332
lib/pleroma/web/websub/websub.ex
View file

@ -1,332 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Websub do
alias Ecto.Changeset
alias Pleroma.Activity
alias Pleroma.HTTP
alias Pleroma.Instances
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Web.Endpoint
alias Pleroma.Web.Federator
alias Pleroma.Web.Federator.Publisher
alias Pleroma.Web.OStatus
alias Pleroma.Web.OStatus.FeedRepresenter
alias Pleroma.Web.Router.Helpers
alias Pleroma.Web.Websub.WebsubClientSubscription
alias Pleroma.Web.Websub.WebsubServerSubscription
alias Pleroma.Web.XML
require Logger
import Ecto.Query
@behaviour Pleroma.Web.Federator.Publisher
def verify(subscription, getter \\ &HTTP.get/3) do
challenge = Base.encode16(:crypto.strong_rand_bytes(8))
lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.updated_at)
lease_seconds = lease_seconds |> to_string
params = %{
"hub.challenge": challenge,
"hub.lease_seconds": lease_seconds,
"hub.topic": subscription.topic,
"hub.mode": "subscribe"
}
url = hd(String.split(subscription.callback, "?"))
query = URI.parse(subscription.callback).query || ""
params = Map.merge(params, URI.decode_query(query))
with {:ok, response} <- getter.(url, [], params: params),
^challenge <- response.body do
changeset = Changeset.change(subscription, %{state: "active"})
Repo.update(changeset)
else
e ->
Logger.debug("Couldn't verify subscription")
Logger.debug(inspect(e))
{:error, subscription}
end
end
@supported_activities [
"Create",
"Follow",
"Like",
"Announce",
"Undo",
"Delete"
]
def is_representable?(%Activity{data: %{"type" => type}} = activity)
when type in @supported_activities,
do: Visibility.is_public?(activity)
def is_representable?(_), do: false
def publish(topic, user, %{data: %{"type" => type}} = activity)
when type in @supported_activities do
response =
user
|> FeedRepresenter.to_simple_form([activity], [user])
|> :xmerl.export_simple(:xmerl_xml)
|> to_string
query =
from(
sub in WebsubServerSubscription,
where: sub.topic == ^topic and sub.state == "active",
where: fragment("? > (NOW() at time zone 'UTC')", sub.valid_until)
)
subscriptions = Repo.all(query)
callbacks = Enum.map(subscriptions, & &1.callback)
reachable_callbacks_metadata = Instances.filter_reachable(callbacks)
reachable_callbacks = Map.keys(reachable_callbacks_metadata)
subscriptions
|> Enum.filter(&(&1.callback in reachable_callbacks))
|> Enum.each(fn sub ->
data = %{
xml: response,
topic: topic,
callback: sub.callback,
secret: sub.secret,
unreachable_since: reachable_callbacks_metadata[sub.callback]
}
Publisher.enqueue_one(__MODULE__, data)
end)
end
def publish(_, _, _), do: ""
def publish(actor, activity), do: publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
def sign(secret, doc) do
:crypto.hmac(:sha, secret, to_string(doc)) |> Base.encode16() |> String.downcase()
end
def incoming_subscription_request(user, %{"hub.mode" => "subscribe"} = params) do
with {:ok, topic} <- valid_topic(params, user),
{:ok, lease_time} <- lease_time(params),
secret <- params["hub.secret"],
callback <- params["hub.callback"] do
subscription = get_subscription(topic, callback)
data = %{
state: subscription.state || "requested",
topic: topic,
secret: secret,
callback: callback
}
change = Changeset.change(subscription, data)
websub = Repo.insert_or_update!(change)
change =
Changeset.change(websub, %{valid_until: NaiveDateTime.add(websub.updated_at, lease_time)})
websub = Repo.update!(change)
Federator.verify_websub(websub)
{:ok, websub}
else
{:error, reason} ->
Logger.debug("Couldn't create subscription")
Logger.debug(inspect(reason))
{:error, reason}
end
end
def incoming_subscription_request(user, params) do
Logger.info("Unhandled WebSub request for #{user.nickname}: #{inspect(params)}")
{:error, "Invalid WebSub request"}
end
defp get_subscription(topic, callback) do
Repo.get_by(WebsubServerSubscription, topic: topic, callback: callback) ||
%WebsubServerSubscription{}
end
# Temp hack for mastodon.
defp lease_time(%{"hub.lease_seconds" => ""}) do
# three days
{:ok, 60 * 60 * 24 * 3}
end
defp lease_time(%{"hub.lease_seconds" => lease_seconds}) do
{:ok, String.to_integer(lease_seconds)}
end
defp lease_time(_) do
# three days
{:ok, 60 * 60 * 24 * 3}
end
defp valid_topic(%{"hub.topic" => topic}, user) do
if topic == OStatus.feed_path(user) do
{:ok, OStatus.feed_path(user)}
else
{:error, "Wrong topic requested, expected #{OStatus.feed_path(user)}, got #{topic}"}
end
end
def subscribe(subscriber, subscribed, requester \\ &request_subscription/1) do
topic = subscribed.info.topic
# FIXME: Race condition, use transactions
{:ok, subscription} =
with subscription when not is_nil(subscription) <-
Repo.get_by(WebsubClientSubscription, topic: topic) do
subscribers = [subscriber.ap_id | subscription.subscribers] |> Enum.uniq()
change = Ecto.Changeset.change(subscription, %{subscribers: subscribers})
Repo.update(change)
else
_e ->
subscription = %WebsubClientSubscription{
topic: topic,
hub: subscribed.info.hub,
subscribers: [subscriber.ap_id],
state: "requested",
secret: :crypto.strong_rand_bytes(8) |> Base.url_encode64(),
user: subscribed
}
Repo.insert(subscription)
end
requester.(subscription)
end
def gather_feed_data(topic, getter \\ &HTTP.get/1) do
with {:ok, response} <- getter.(topic),
status when status in 200..299 <- response.status,
body <- response.body,
doc <- XML.parse_document(body),
uri when not is_nil(uri) <- XML.string_from_xpath("/feed/author[1]/uri", doc),
hub when not is_nil(hub) <- XML.string_from_xpath(~S{/feed/link[@rel="hub"]/@href}, doc) do
name = XML.string_from_xpath("/feed/author[1]/name", doc)
preferred_username = XML.string_from_xpath("/feed/author[1]/poco:preferredUsername", doc)
display_name = XML.string_from_xpath("/feed/author[1]/poco:displayName", doc)
avatar = OStatus.make_avatar_object(doc)
bio = XML.string_from_xpath("/feed/author[1]/summary", doc)
{:ok,
%{
"uri" => uri,
"hub" => hub,
"nickname" => preferred_username || name,
"name" => display_name || name,
"host" => URI.parse(uri).host,
"avatar" => avatar,
"bio" => bio
}}
else
e ->
{:error, e}
end
end
def request_subscription(websub, poster \\ &HTTP.post/3, timeout \\ 10_000) do
data = [
"hub.mode": "subscribe",
"hub.topic": websub.topic,
"hub.secret": websub.secret,
"hub.callback": Helpers.websub_url(Endpoint, :websub_subscription_confirmation, websub.id)
]
# This checks once a second if we are confirmed yet
websub_checker = fn ->
helper = fn helper ->
:timer.sleep(1000)
websub = Repo.get_by(WebsubClientSubscription, id: websub.id, state: "accepted")
if websub, do: websub, else: helper.(helper)
end
helper.(helper)
end
task = Task.async(websub_checker)
with {:ok, %{status: 202}} <-
poster.(websub.hub, {:form, data}, "Content-type": "application/x-www-form-urlencoded"),
{:ok, websub} <- Task.yield(task, timeout) do
{:ok, websub}
else
e ->
Task.shutdown(task)
change = Ecto.Changeset.change(websub, %{state: "rejected"})
{:ok, websub} = Repo.update(change)
Logger.debug(fn -> "Couldn't confirm subscription: #{inspect(websub)}" end)
Logger.debug(fn -> "error: #{inspect(e)}" end)
{:error, websub}
end
end
def refresh_subscriptions(delta \\ 60 * 60 * 24) do
Logger.debug("Refreshing subscriptions")
cut_off = NaiveDateTime.add(NaiveDateTime.utc_now(), delta)
query = from(sub in WebsubClientSubscription, where: sub.valid_until < ^cut_off)
subs = Repo.all(query)
Enum.each(subs, fn sub ->
Federator.request_subscription(sub)
end)
end
def publish_one(%{xml: xml, topic: topic, callback: callback, secret: secret} = params) do
signature = sign(secret || "", xml)
Logger.info(fn -> "Pushing #{topic} to #{callback}" end)
with {:ok, %{status: code}} when code in 200..299 <-
HTTP.post(
callback,
xml,
[
{"Content-Type", "application/atom+xml"},
{"X-Hub-Signature", "sha1=#{signature}"}
]
) do
if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
do: Instances.set_reachable(callback)
Logger.info(fn -> "Pushed to #{callback}, code #{code}" end)
{:ok, code}
else
{_post_result, response} ->
unless params[:unreachable_since], do: Instances.set_reachable(callback)
Logger.debug(fn -> "Couldn't push to #{callback}, #{inspect(response)}" end)
{:error, response}
end
end
def gather_webfinger_links(%User{} = user) do
[
%{
"rel" => "http://schemas.google.com/g/2010#updates-from",
"type" => "application/atom+xml",
"href" => OStatus.feed_path(user)
},
%{
"rel" => "http://ostatus.org/schema/1.0/subscribe",
"template" => OStatus.remote_follow_path()
}
]
end
def gather_nodeinfo_protocol_names, do: ["ostatus"]
end

20
lib/pleroma/web/websub/websub_client_subscription.ex
View file

@ -1,20 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Websub.WebsubClientSubscription do
use Ecto.Schema
alias Pleroma.User
schema "websub_client_subscriptions" do
field(:topic, :string)
field(:secret, :string)
field(:valid_until, :naive_datetime_usec)
field(:state, :string)
field(:subscribers, {:array, :string}, default: [])
field(:hub, :string)
belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
timestamps()
end
end

99
lib/pleroma/web/websub/websub_controller.ex
View file

@ -1,99 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Websub.WebsubController do
use Pleroma.Web, :controller
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.Federator
alias Pleroma.Web.Websub
alias Pleroma.Web.Websub.WebsubClientSubscription
require Logger
plug(
Pleroma.Web.FederatingPlug
when action in [
:websub_subscription_request,
:websub_subscription_confirmation,
:websub_incoming
]
)
def websub_subscription_request(conn, %{"nickname" => nickname} = params) do
user = User.get_cached_by_nickname(nickname)
with {:ok, _websub} <- Websub.incoming_subscription_request(user, params) do
conn
|> send_resp(202, "Accepted")
else
{:error, reason} ->
conn
|> send_resp(500, reason)
end
end
# TODO: Extract this into the Websub module
def websub_subscription_confirmation(
conn,
%{
"id" => id,
"hub.mode" => "subscribe",
"hub.challenge" => challenge,
"hub.topic" => topic
} = params
) do
Logger.debug("Got WebSub confirmation")
Logger.debug(inspect(params))
lease_seconds =
if params["hub.lease_seconds"] do
String.to_integer(params["hub.lease_seconds"])
else
# Guess 3 days
60 * 60 * 24 * 3
end
with %WebsubClientSubscription{} = websub <-
Repo.get_by(WebsubClientSubscription, id: id, topic: topic) do
valid_until = NaiveDateTime.add(NaiveDateTime.utc_now(), lease_seconds)
change = Ecto.Changeset.change(websub, %{state: "accepted", valid_until: valid_until})
{:ok, _websub} = Repo.update(change)
conn
|> send_resp(200, challenge)
else
_e ->
conn
|> send_resp(500, "Error")
end
end
def websub_subscription_confirmation(conn, params) do
Logger.info("Invalid WebSub confirmation request: #{inspect(params)}")
conn
|> send_resp(500, "Invalid parameters")
end
def websub_incoming(conn, %{"id" => id}) do
with "sha1=" <> signature <- hd(get_req_header(conn, "x-hub-signature")),
signature <- String.downcase(signature),
%WebsubClientSubscription{} = websub <- Repo.get(WebsubClientSubscription, id),
{:ok, body, _conn} = read_body(conn),
^signature <- Websub.sign(websub.secret, body) do
Federator.incoming_doc(body)
conn
|> send_resp(200, "OK")
else
_e ->
Logger.debug("Can't handle incoming subscription post")
conn
|> send_resp(500, "Error")
end
end
end

17
lib/pleroma/web/websub/websub_server_subscription.ex
View file

@ -1,17 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Websub.WebsubServerSubscription do
use Ecto.Schema
schema "websub_server_subscriptions" do
field(:topic, :string)
field(:callback, :string)
field(:secret, :string)
field(:valid_until, :naive_datetime)
field(:state, :string)
timestamps()
end
end