diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pleroma/application.ex | 6 | ||||
| -rw-r--r-- | lib/pleroma/plugs/frontend_static.ex | 3 | ||||
| -rw-r--r-- | lib/pleroma/web/activity_pub/side_effects.ex | 6 | ||||
| -rw-r--r-- | lib/pleroma/web/matrix_controller.ex | 552 | ||||
| -rw-r--r-- | lib/pleroma/web/router.ex | 41 |
5 files changed, 606 insertions, 2 deletions
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex index c0b5db9f1..5af57dad2 100644 --- a/lib/pleroma/application.ex +++ b/lib/pleroma/application.ex @@ -94,7 +94,8 @@ defmodule Pleroma.Application do chat_child(@env, chat_enabled?()) ++ [ Pleroma.Web.Endpoint, - Pleroma.Gopher.Server + Pleroma.Gopher.Server, + {Phoenix.PubSub.PG2, name: :matrix} ] # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html @@ -156,7 +157,8 @@ defmodule Pleroma.Application do build_cachex("web_resp", limit: 2500), build_cachex("emoji_packs", expiration: emoji_packs_expiration(), limit: 10), build_cachex("failed_proxy_url", limit: 2500), - build_cachex("banned_urls", default_ttl: :timer.hours(24 * 30), limit: 5_000) + build_cachex("banned_urls", default_ttl: :timer.hours(24 * 30), limit: 5_000), + build_cachex("matrix", default_ttl: :timer.hours(120), limit: 5000) ] end diff --git a/lib/pleroma/plugs/frontend_static.ex b/lib/pleroma/plugs/frontend_static.ex index f549ca75f..017e0819e 100644 --- a/lib/pleroma/plugs/frontend_static.ex +++ b/lib/pleroma/plugs/frontend_static.ex @@ -32,6 +32,9 @@ defmodule Pleroma.Plugs.FrontendStatic do |> Plug.Static.init() end + def call(%{path_info: ["_matrix" | _]} = conn, _opts), do: conn + def call(%{path_info: ["api" | _]} = conn, _opts), do: conn + def call(conn, opts) do frontend_type = Map.get(opts, :frontend_type, :primary) path = file_path("", frontend_type) diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex index a5e2323bd..f2a1dc6e8 100644 --- a/lib/pleroma/web/activity_pub/side_effects.ex +++ b/lib/pleroma/web/activity_pub/side_effects.ex @@ -414,6 +414,12 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do Keyword.get(meta, :streamables, []) |> Enum.each(fn {topics, items} -> Streamer.stream(topics, items) + + # Tell the matrix controller that a new message is there so it can + # start fetching. + with {%User{id: user_id}, %MessageReference{}} <- items do + Phoenix.PubSub.broadcast(:matrix, "user:#{user_id}", :chat) + end end) meta diff --git a/lib/pleroma/web/matrix_controller.ex b/lib/pleroma/web/matrix_controller.ex new file mode 100644 index 000000000..1bde2746b --- /dev/null +++ b/lib/pleroma/web/matrix_controller.ex @@ -0,0 +1,552 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.MatrixController do + use Pleroma.Web, :controller + + # alias Pleroma.Web.MediaProxy + alias Pleroma.Chat + alias Pleroma.Chat.MessageReference + alias Pleroma.HTML + alias Pleroma.Plugs.AuthenticationPlug + alias Pleroma.Plugs.OAuthScopesPlug + alias Pleroma.Repo + alias Pleroma.User + alias Pleroma.Web.MediaProxy + alias Pleroma.Web.OAuth.App + alias Pleroma.Web.OAuth.Token + alias Pleroma.Web.OAuth.Token + alias Pleroma.Web.CommonAPI + alias Pleroma.Object + import Ecto.Query + + plug( + OAuthScopesPlug, + %{scopes: ["write"]} + when action in [ + :set_presence_status, + :set_filter, + :send_event, + :set_read_marker, + :typing, + :set_account_data + ] + ) + + plug( + OAuthScopesPlug, + %{scopes: ["read"]} + when action in [ + :pushrules, + :sync, + :filter, + :key_query, + :profile, + :joined_groups, + :room_keys_version, + :key_upload, + :capabilities, + :room_members, + :publicised_groups, + :turn_server + ] + ) + + def mxc(url) do + "mxc://localhost/#{url |> Base.encode64()}" + end + + def client_versions(conn, _) do + data = %{ + versions: ["r0.0.1", "r0.1.0", "r0.2.0", "r0.3.0", "r0.4.0", "r0.5.0"] + } + + conn + |> json(data) + end + + def login_info(conn, _) do + data = %{ + flows: [ + %{type: "m.login.password"} + ] + } + + conn + |> json(data) + end + + def login(conn, params) do + username = params["identifier"]["user"] + password = params["password"] + + dn = params["initial_device_display_name"] + + with %User{} = user <- User.get_by_nickname(username), + true <- AuthenticationPlug.checkpw(password, user.password_hash), + {:ok, app} <- + App.create(%{client_name: dn, scopes: ~w(read write), redirect_uris: "nowhere"}), + {:ok, token} <- Token.create_token(app, user) do + data = %{ + user_id: "@#{user.nickname}:#{Pleroma.Web.Endpoint.host()}", + access_token: token.token, + device_id: app.client_id + } + + conn + |> put_status(200) + |> json(data) + else + _ -> + data = %{ + errcode: "M_FORBIDDEN", + error: "Invalid password" + } + + conn + |> put_status(403) + |> json(data) + end + end + + def presence_status(conn, _) do + data = %{ + presence: "online" + } + + conn + |> json(data) + end + + def set_presence_status(conn, _params) do + conn + |> json(%{}) + end + + def pushrules(conn, _) do + data = %{ + global: %{} + } + + conn + |> json(data) + end + + def set_filter(conn, params) do + filter_id = :crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false) + Cachex.put(:matrix_cache, "filter:#{filter_id}", params) + + data = %{ + filter_id: filter_id + } + + conn + |> json(data) + end + + def filter(conn, params) do + {:ok, result} = Cachex.get(:matrix_cache, "filter:#{params["filter_id"]}") + + conn + |> put_status(200) + |> json(result || %{}) + end + + defp matrix_name(%{local: true, nickname: nick}) do + "@#{nick}:#{Pleroma.Web.Endpoint.host()}" + end + + defp matrix_name(%{nickname: nick}) do + nick = + nick + |> String.replace("@", ":") + + "@" <> nick + end + + def sync(%{assigns: %{user: user}} = conn, params) do + with {:ok, timeout} when not is_nil(timeout) <- Ecto.Type.cast(:integer, params["timeout"]) do + Phoenix.PubSub.subscribe(:matrix, "user:#{user.id}") + + receive do + _ -> :ok + after + timeout -> + :timeout + end + end + + blocked_ap_ids = User.blocked_users_ap_ids(user) + + user_id = user.id + + chats = + from(c in Chat, + where: c.user_id == ^user_id, + where: c.recipient not in ^blocked_ap_ids, + order_by: [desc: c.updated_at] + ) + |> Repo.all() + |> Enum.reduce(%{}, fn chat, acc -> + recipient = User.get_by_ap_id(chat.recipient) + + membership_events = + [user, recipient] + |> membership_events_from_list(chat) + + q = + chat + |> MessageReference.for_chat_query() + + q = + if since = params["since"] do + from(mr in q, + where: mr.id > ^since + ) + else + q + end + + messages = + q + |> Repo.all() + |> Enum.map(fn message -> + chat_data = message.object.data + author = User.get_cached_by_ap_id(chat_data["actor"]) + + {:ok, date, _} = DateTime.from_iso8601(chat_data["published"]) + {:ok, txn_id} = Cachex.get(:matrix_cache, "txn_id:#{message.id}") + + messages = [ + %{ + content: %{ + body: chat_data["content"] |> HTML.strip_tags(), + msgtype: "m.text", + format: "org.matrix.custom.html", + formatted_body: chat_data["content"] + }, + type: "m.room.message", + event_id: message.id, + room_id: chat.id, + sender: matrix_name(author), + origin_server_ts: date |> DateTime.to_unix(:millisecond), + unsigned: %{ + age: DateTime.diff(DateTime.utc_now(), date, :millisecond), + transaction_id: txn_id + } + } + ] + + messages = + if attachment = chat_data["attachment"] do + attachment = + Pleroma.Web.MastodonAPI.StatusView.render("attachment.json", + attachment: attachment + ) + + att = %{ + content: %{ + body: "an image", + msgtype: "m.image", + url: mxc(attachment.url), + info: %{ + h: 640, + w: 480, + size: 500_000, + mimetype: attachment.pleroma.mime_type + } + }, + type: "m.room.message", + event_id: attachment.id, + room_id: chat.id, + sender: matrix_name(author), + origin_server_ts: date |> DateTime.to_unix(:millisecond), + unsigned: %{ + age: DateTime.diff(DateTime.utc_now(), date, :millisecond) + } + } + + [att | messages] + else + messages + end + + messages + end) + |> List.flatten() + |> Enum.reverse() + + room = %{ + chat.id => %{ + summary: %{ + "m.heroes" => [matrix_name(recipient)], + "m.joined_member_count" => 2, + "m.invited_member_count" => 0 + }, + state: %{events: membership_events}, + ephemeral: %{events: []}, + timeline: %{ + events: messages, + limited: false, + prev_batch: "prev" + }, + account_data: %{events: []}, + unread_notifications: %{ + highlight_count: 0, + notification_count: 0 + } + } + } + + Map.merge(acc, room) + end) + + most_recent_cmr_id = + Enum.reduce(chats, nil, fn {_k, chat}, acc -> + id = List.last(chat.timeline.events)[:event_id] + + if !acc || (acc && acc < id) do + id + else + acc + end + end) + + data = %{ + next_batch: most_recent_cmr_id, + rooms: %{ + join: chats, + invite: %{}, + leave: %{} + }, + account_data: %{ + events: [ + %{ + type: "m.direct", + content: %{ + matrix_name(user) => Map.keys(chats) + } + } + ] + }, + presence: %{ + events: [] + }, + to_device: %{ + events: [] + }, + device_one_time_keys_count: %{}, + device_lists: %{ + left: [], + changed: [] + } + } + + conn + |> json(data) + end + + def key_query(conn, params) do + conn + |> json(params) + end + + defp nickname_from_matrix_id(mid) do + mid + |> String.trim_leading("@") + |> String.replace(":", "@") + |> String.trim_trailing("@#{Pleroma.Web.Endpoint.host()}") + end + + def profile(conn, params) do + nickname = + params["user_id"] + |> nickname_from_matrix_id() + + user = User.get_by_nickname(nickname) + avatar = User.avatar_url(user) |> MediaProxy.url() + + data = %{ + displayname: user.name, + avatar_url: mxc(avatar) + } + + conn + |> json(data) + end + + def download(conn, params) do + {:ok, url} = params["file"] |> Base.decode64() + + # This is stupid + with {:ok, %{status: 200} = env} = Pleroma.HTTP.get(url) do + conn + |> send_resp(200, env.body) + end + end + + # Not documented, guessing what's expected here + def joined_groups(conn, _) do + data = %{ + groups: [] + } + + conn + |> json(data) + end + + # Not documented either lololo let's 404 + def room_keys_version(conn, _) do + conn + |> put_status(404) + |> json("Not found") + end + + # let's just pretend this worked. + def key_upload(conn, _params) do + # Enormous numbers so the client will stop trying to upload more + data = %{ + one_time_key_counts: %{ + curve25519: 100_000, + signed_curve25519: 2_000_000 + } + } + + conn + |> put_status(200) + |> json(data) + end + + def capabilities(conn, _) do + data = %{ + capabilities: %{ + "m.change_password": %{ + enabled: false + }, + "m.room_versions": %{ + default: "1", + available: %{ + "1" => "stable" + } + } + } + } + + conn + |> json(data) + end + + # Just pretend it worked + def set_read_marker(%{assigns: %{user: %{id: user_id}}} = conn, %{ + "m.fully_read" => read_up_to, + "room_id" => chat_id + }) do + with %Chat{user_id: ^user_id} = chat <- Chat.get_by_id(chat_id) do + MessageReference.set_all_seen_for_chat(chat, read_up_to) + end + + conn + |> json(%{}) + end + + def room_members(%{assigns: %{user: %{id: user_id} = user}} = conn, %{"room_id" => chat_id}) do + with %Chat{user_id: ^user_id, recipient: recipient_id} = chat <- Chat.get_by_id(chat_id), + %User{} = recipient <- User.get_cached_by_ap_id(recipient_id) do + membership_events = + [user, recipient] + |> membership_events_from_list(chat) + + data = %{ + chunk: membership_events + } + + conn + |> json(data) + end + end + + # Undocumented + def publicised_groups(conn, _) do + data = %{ + groups: %{} + } + + conn + |> json(data) + end + + defp membership_events_from_list(users, chat) do + users + |> Enum.map(fn member -> + avatar = User.avatar_url(member) |> MediaProxy.url() + + %{ + content: %{ + membership: "join", + avatar_url: mxc(avatar), + displayname: member.name + }, + type: "m.room.member", + event_id: "#{chat.id}/join/#{member.id}", + room_id: chat.id, + sender: matrix_name(member), + origin_ts: DateTime.utc_now() |> DateTime.to_unix(), + state_key: matrix_name(member) + } + end) + end + + def turn_server(conn, _) do + conn + |> put_status(404) + |> json("not found") + end + + def send_event( + %{assigns: %{user: %{id: user_id} = user}} = conn, + %{ + "msgtype" => "m.text", + "body" => body, + "room_id" => chat_id, + "event_type" => "m.room.message", + "txn_id" => txn_id + } + ) do + with %Chat{user_id: ^user_id, recipient: recipient_id} = chat <- Chat.get_by_id(chat_id), + %User{} = recipient <- User.get_cached_by_ap_id(recipient_id), + {:ok, activity} <- CommonAPI.post_chat_message(user, recipient, body) do + object = Object.normalize(activity, false) + cmr = MessageReference.for_chat_and_object(chat, object) + + # Hard to believe, but element (web) does not use the event id to figure out + # if an event returned via sync is the same as the event we send off, but + # instead it uses this transaction id, so if we don't save this (for a + # little while) we get doubled messages in the frontend. + Cachex.put(:matrix_cache, "txn_id:#{cmr.id}", txn_id) + + data = %{ + event_id: cmr.id + } + + conn + |> json(data) + end + end + + def wellknown(conn, _params) do + conn + |> put_status(404) + |> json("not found") + end + + def typing(conn, _) do + conn + |> json(%{}) + end + + def set_account_data(conn, _) do + conn + |> json(%{}) + end +end diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex index c6433cc53..ebffbf6a6 100644 --- a/lib/pleroma/web/router.ex +++ b/lib/pleroma/web/router.ex @@ -710,6 +710,47 @@ defmodule Pleroma.Web.Router do end end + get("/.well-known/matrix/client", Pleroma.Web.MatrixController, :wellknown) + + scope "/_matrix", Pleroma.Web do + pipe_through(:api) + get("/client/versions", MatrixController, :client_versions) + get("/client/r0/login", MatrixController, :login_info) + post("/client/r0/login", MatrixController, :login) + get("/client/r0/presence/:user_id/status", MatrixController, :presence_status) + get("/client/r0/user/:user_id/filter/:filter_id", MatrixController, :filter) + get("/media/r0/download/:authority/:file", MatrixController, :download) + get("/media/r0/thumbnail/:authority/:file", MatrixController, :download) + # Says it's r0 in the documentation, seems it's actually v1 on iOS + get("/media/v1/download/:authority/:file", MatrixController, :download) + get("/media/v1/thumbnail/:authority/:file", MatrixController, :download) + end + + scope "/_matrix", Pleroma.Web do + pipe_through(:authenticated_api) + put("/client/r0/presence/:user_id/status", MatrixController, :set_presence_status) + get("/client/r0/pushrules", MatrixController, :pushrules) + post("/client/r0/user/:user_id/filter", MatrixController, :set_filter) + get("/client/r0/sync", MatrixController, :sync) + post("/client/r0/keys/query", MatrixController, :key_query) + get("/client/r0/profile/:user_id", MatrixController, :profile) + get("/client/r0/profile/:user_id/displayname", MatrixController, :profile) + get("/client/r0/profile/:user_id/avatar_url", MatrixController, :profile) + get("/client/r0/joined_groups", MatrixController, :joined_groups) + get("/client/unstable/room_keys/version", MatrixController, :room_keys_version) + post("/client/r0/keys/upload", MatrixController, :key_upload) + # The iOS client uses this call. No idea what it is about. + post("/client/r0/keys/upload/:whoknows", MatrixController, :key_upload) + get("/client/r0/capabilities", MatrixController, :capabilities) + post("/client/r0/rooms/:room_id/read_markers", MatrixController, :set_read_marker) + put("/client/r0/rooms/:room_id/typing/:user_id", MatrixController, :typing) + get("/client/r0/rooms/:room_id/members", MatrixController, :room_members) + post("/client/r0/publicised_groups", MatrixController, :publicised_groups) + get("/client/r0/voip/turnServer", MatrixController, :turn_server) + put("/client/r0/rooms/:room_id/send/:event_type/:txn_id", MatrixController, :send_event) + put("/client/r0/user/:user_id/account_data/:type", MatrixController, :set_account_data) + end + scope "/", Pleroma.Web.MongooseIM do get("/user_exists", MongooseIMController, :user_exists) get("/check_password", MongooseIMController, :check_password) |