diff --git a/CHANGELOG.md b/CHANGELOG.md index 5abafdf69..e61b1d144 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). ## Unreleased +### Added +- Experimental websocket-based federation between Pleroma instances. + ### Changed - Renamed `:await_up_timeout` in `:connections_pool` namespace to `:connect_timeout`, old name is deprecated. @@ -13,6 +16,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). - Users with the `discoverable` field set to false will not show up in searches. - Minimum lifetime for ephmeral activities changed to 10 minutes and made configurable (`:min_lifetime` option). +### Added +- Media preview proxy (requires media proxy be enabled; see `:media_preview_proxy` config for more details). +- Pleroma API: Importing the mutes users from CSV files. + ### Removed - **Breaking:** `Pleroma.Workers.Cron.StatsWorker` setting from Oban `:crontab` (moved to a simpler implementation). @@ -21,8 +28,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). - Removed `:managed_config` option. In practice, it was accidentally removed with 2.0.0 release when frontends were switched to a new configuration mechanism, however it was not officially removed until now. -### Added -- Pleroma API: Importing the mutes users from CSV files. ## [2.1.2] - 2020-09-17 diff --git a/config/config.exs b/config/config.exs index c204814d0..00624bf00 100644 --- a/config/config.exs +++ b/config/config.exs @@ -130,6 +130,7 @@ config :pleroma, Pleroma.Web.Endpoint, dispatch: [ {:_, [ + {"/api/fedsocket/v1", Pleroma.Web.FedSockets.IncomingHandler, []}, {"/api/v1/streaming", Pleroma.Web.MastodonAPI.WebsocketHandler, []}, {"/websocket", Phoenix.Endpoint.CowboyWebSocket, {Phoenix.Transports.WebSocket, @@ -148,6 +149,16 @@ config :pleroma, Pleroma.Web.Endpoint, "SameSite=Lax" ] +config :pleroma, :fed_sockets, + enabled: false, + connection_duration: :timer.hours(8), + rejection_duration: :timer.minutes(15), + fed_socket_fetches: [ + default: 12_000, + interval: 3_000, + lazy: false + ] + # Configures Elixir's Logger config :logger, :console, level: :debug, @@ -423,6 +434,8 @@ config :pleroma, :media_proxy, proxy_opts: [ redirect_on_failure: false, max_body_length: 25 * 1_048_576, + # Note: max_read_duration defaults to Pleroma.ReverseProxy.max_read_duration_default/1 + max_read_duration: 30_000, http: [ follow_redirect: true, pool: :media @@ -437,6 +450,14 @@ config :pleroma, Pleroma.Web.MediaProxy.Invalidation.Http, config :pleroma, Pleroma.Web.MediaProxy.Invalidation.Script, script_path: nil +# Note: media preview proxy depends on media proxy to be enabled +config :pleroma, :media_preview_proxy, + enabled: false, + thumbnail_max_width: 600, + thumbnail_max_height: 600, + image_quality: 85, + min_content_length: 100 * 1024 + config :pleroma, :chat, enabled: true config :phoenix, :format_encoders, json: Jason @@ -532,6 +553,7 @@ config :pleroma, Oban, token_expiration: 5, federator_incoming: 50, federator_outgoing: 50, + ingestion_queue: 50, web_push: 50, mailer: 10, transmogrifier: 20, @@ -741,8 +763,8 @@ config :pleroma, :pools, ], media: [ size: 50, - max_waiting: 10, - recv_timeout: 10_000 + max_waiting: 20, + recv_timeout: 15_000 ], upload: [ size: 25, @@ -787,6 +809,8 @@ config :tzdata, :http_client, Pleroma.HTTP.Tzdata config :ex_aws, http_client: Pleroma.HTTP.ExAws +config :web_push_encryption, http_client: Pleroma.HTTP + config :pleroma, :instances_favicons, enabled: false config :floki, :html_parser, Floki.HTMLParser.FastHtml diff --git a/config/description.exs b/config/description.exs index 2b30f8148..097e98633 100644 --- a/config/description.exs +++ b/config/description.exs @@ -270,6 +270,19 @@ config :pleroma, :config_description, [ } ] }, + %{ + group: :pleroma, + key: :fed_sockets, + type: :group, + description: "Websocket based federation", + children: [ + %{ + key: :enabled, + type: :boolean, + description: "Enable FedSockets" + } + ] + }, %{ group: :pleroma, key: Pleroma.Emails.Mailer, @@ -1874,6 +1887,7 @@ config :pleroma, :config_description, [ suggestions: [ redirect_on_failure: false, max_body_length: 25 * 1_048_576, + max_read_duration: 30_000, http: [ follow_redirect: true, pool: :media @@ -1894,6 +1908,11 @@ config :pleroma, :config_description, [ "Limits the content length to be approximately the " <> "specified length. It is validated with the `content-length` header and also verified when proxying." }, + %{ + key: :max_read_duration, + type: :integer, + description: "Timeout (in milliseconds) of GET request to remote URI." + }, %{ key: :http, label: "HTTP", @@ -1940,6 +1959,43 @@ config :pleroma, :config_description, [ } ] }, + %{ + group: :pleroma, + key: :media_preview_proxy, + type: :group, + description: "Media preview proxy", + children: [ + %{ + key: :enabled, + type: :boolean, + description: + "Enables proxying of remote media preview to the instance's proxy. Requires enabled media proxy." + }, + %{ + key: :thumbnail_max_width, + type: :integer, + description: + "Max width of preview thumbnail for images (video preview always has original dimensions)." + }, + %{ + key: :thumbnail_max_height, + type: :integer, + description: + "Max height of preview thumbnail for images (video preview always has original dimensions)." + }, + %{ + key: :image_quality, + type: :integer, + description: "Quality of the output. Ranges from 0 (min quality) to 100 (max quality)." + }, + %{ + key: :min_content_length, + type: :integer, + description: + "Min content length to perform preview, in bytes. If greater than 0, media smaller in size will be served as is, without thumbnailing." + } + ] + }, %{ group: :pleroma, key: Pleroma.Web.MediaProxy.Invalidation.Http, diff --git a/config/test.exs b/config/test.exs index 0ee6f1b7f..93a0e2a61 100644 --- a/config/test.exs +++ b/config/test.exs @@ -19,6 +19,11 @@ config :logger, :console, level: :warn, format: "\n[$level] $message\n" +config :pleroma, :fed_sockets, + enabled: false, + connection_duration: 5, + rejection_duration: 5 + config :pleroma, :auth, oauth_consumer_strategies: [] config :pleroma, Pleroma.Upload, diff --git a/docs/configuration/cheatsheet.md b/docs/configuration/cheatsheet.md index 054b8fe43..42e5fe808 100644 --- a/docs/configuration/cheatsheet.md +++ b/docs/configuration/cheatsheet.md @@ -225,6 +225,16 @@ Enables the worker which processes posts scheduled for deletion. Pinned posts ar * `enabled`: whether expired activities will be sent to the job queue to be deleted +## FedSockets +FedSockets is an experimental feature allowing for Pleroma backends to federate using a persistant websocket connection as opposed to making each federation a seperate http connection. This feature is currently off by default. It is configurable throught he following options. + +### :fedsockets +* `enabled`: Enables FedSockets for this instance. `false` by default. +* `connection_duration`: Time an idle websocket is kept open. +* `rejection_duration`: Failures to connect via FedSockets will not be retried for this period of time. +* `fed_socket_fetches` and `fed_socket_rejections`: Settings passed to `cachex` for the fetch registry, and rejection stacks. See `Pleroma.Web.FedSockets` for more details. + + ## Frontends ### :frontend_configurations @@ -314,6 +324,14 @@ This section describe PWA manifest instance-specific values. Currently this opti * `enabled`: Enables purge cache * `provider`: Which one of the [purge cache strategy](#purge-cache-strategy) to use. +## :media_preview_proxy + +* `enabled`: Enables proxying of remote media preview to the instance’s proxy. Requires enabled media proxy (`media_proxy/enabled`). +* `thumbnail_max_width`: Max width of preview thumbnail for images (video preview always has original dimensions). +* `thumbnail_max_height`: Max height of preview thumbnail for images (video preview always has original dimensions). +* `image_quality`: Quality of the output. Ranges from 0 (min quality) to 100 (max quality). +* `min_content_length`: Min content length to perform preview, in bytes. If greater than 0, media smaller in size will be served as is, without thumbnailing. + ### Purge cache strategy #### Pleroma.Web.MediaProxy.Invalidation.Script diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex index c39e24919..00ec79a2a 100644 --- a/lib/pleroma/application.ex +++ b/lib/pleroma/application.ex @@ -99,7 +99,7 @@ defmodule Pleroma.Application do {Oban, Config.get(Oban)} ] ++ task_children(@env) ++ - streamer_child(@env) ++ + dont_run_in_test(@env) ++ chat_child(@env, chat_enabled?()) ++ [ Pleroma.Web.Endpoint, @@ -188,16 +188,17 @@ defmodule Pleroma.Application do defp chat_enabled?, do: Config.get([:chat, :enabled]) - defp streamer_child(env) when env in [:test, :benchmark], do: [] + defp dont_run_in_test(env) when env in [:test, :benchmark], do: [] - defp streamer_child(_) do + defp dont_run_in_test(_) do [ {Registry, [ name: Pleroma.Web.Streamer.registry(), keys: :duplicate, partitions: System.schedulers_online() - ]} + ]}, + Pleroma.Web.FedSockets.Supervisor ] end diff --git a/lib/pleroma/helpers/media_helper.ex b/lib/pleroma/helpers/media_helper.ex new file mode 100644 index 000000000..b6f35a24b --- /dev/null +++ b/lib/pleroma/helpers/media_helper.ex @@ -0,0 +1,150 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Helpers.MediaHelper do + @moduledoc """ + Handles common media-related operations. + """ + + alias Pleroma.HTTP + + def image_resize(url, options) do + with executable when is_binary(executable) <- System.find_executable("convert"), + {:ok, args} <- prepare_image_resize_args(options), + {:ok, env} <- HTTP.get(url, [], pool: :media), + {:ok, fifo_path} <- mkfifo() do + args = List.flatten([fifo_path, args]) + run_fifo(fifo_path, env, executable, args) + else + nil -> {:error, {:convert, :command_not_found}} + {:error, _} = error -> error + end + end + + defp prepare_image_resize_args( + %{max_width: max_width, max_height: max_height, format: "png"} = options + ) do + quality = options[:quality] || 85 + resize = Enum.join([max_width, "x", max_height, ">"]) + + args = [ + "-resize", + resize, + "-quality", + to_string(quality), + "png:-" + ] + + {:ok, args} + end + + defp prepare_image_resize_args(%{max_width: max_width, max_height: max_height} = options) do + quality = options[:quality] || 85 + resize = Enum.join([max_width, "x", max_height, ">"]) + + args = [ + "-interlace", + "Plane", + "-resize", + resize, + "-quality", + to_string(quality), + "jpg:-" + ] + + {:ok, args} + end + + defp prepare_image_resize_args(_), do: {:error, :missing_options} + + # Note: video thumbnail is intentionally not resized (always has original dimensions) + def video_framegrab(url) do + with executable when is_binary(executable) <- System.find_executable("ffmpeg"), + {:ok, env} <- HTTP.get(url, [], pool: :media), + {:ok, fifo_path} <- mkfifo(), + args = [ + "-y", + "-i", + fifo_path, + "-vframes", + "1", + "-f", + "mjpeg", + "-loglevel", + "error", + "-" + ] do + run_fifo(fifo_path, env, executable, args) + else + nil -> {:error, {:ffmpeg, :command_not_found}} + {:error, _} = error -> error + end + end + + defp run_fifo(fifo_path, env, executable, args) do + pid = + Port.open({:spawn_executable, executable}, [ + :use_stdio, + :stream, + :exit_status, + :binary, + args: args + ]) + + fifo = Port.open(to_charlist(fifo_path), [:eof, :binary, :stream, :out]) + fix = Pleroma.Helpers.QtFastStart.fix(env.body) + true = Port.command(fifo, fix) + :erlang.port_close(fifo) + loop_recv(pid) + after + File.rm(fifo_path) + end + + defp mkfifo do + path = Path.join(System.tmp_dir!(), "pleroma-media-preview-pipe-#{Ecto.UUID.generate()}") + + case System.cmd("mkfifo", [path]) do + {_, 0} -> + spawn(fifo_guard(path)) + {:ok, path} + + {_, err} -> + {:error, {:fifo_failed, err}} + end + end + + defp fifo_guard(path) do + pid = self() + + fn -> + ref = Process.monitor(pid) + + receive do + {:DOWN, ^ref, :process, ^pid, _} -> + File.rm(path) + end + end + end + + defp loop_recv(pid) do + loop_recv(pid, <<>>) + end + + defp loop_recv(pid, acc) do + receive do + {^pid, {:data, data}} -> + loop_recv(pid, acc <> data) + + {^pid, {:exit_status, 0}} -> + {:ok, acc} + + {^pid, {:exit_status, status}} -> + {:error, status} + after + 5000 -> + :erlang.port_close(pid) + {:error, :timeout} + end + end +end diff --git a/lib/pleroma/helpers/qt_fast_start.ex b/lib/pleroma/helpers/qt_fast_start.ex new file mode 100644 index 000000000..bb93224b5 --- /dev/null +++ b/lib/pleroma/helpers/qt_fast_start.ex @@ -0,0 +1,131 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Helpers.QtFastStart do + @moduledoc """ + (WIP) Converts a "slow start" (data before metadatas) mov/mp4 file to a "fast start" one (metadatas before data). + """ + + # TODO: Cleanup and optimizations + # Inspirations: https://www.ffmpeg.org/doxygen/3.4/qt-faststart_8c_source.html + # https://github.com/danielgtaylor/qtfaststart/blob/master/qtfaststart/processor.py + # ISO/IEC 14496-12:2015, ISO/IEC 15444-12:2015 + # Paracetamol + + def fix(<<0x00, 0x00, 0x00, _, 0x66, 0x74, 0x79, 0x70, _::bits>> = binary) do + index = fix(binary, 0, nil, nil, []) + + case index do + :abort -> binary + [{"ftyp", _, _, _, _}, {"mdat", _, _, _, _} | _] -> faststart(index) + [{"ftyp", _, _, _, _}, {"free", _, _, _, _}, {"mdat", _, _, _, _} | _] -> faststart(index) + _ -> binary + end + end + + def fix(binary) do + binary + end + + # MOOV have been seen before MDAT- abort + defp fix(<<_::bits>>, _, true, false, _) do + :abort + end + + defp fix( + <>, + pos, + got_moov, + got_mdat, + acc + ) do + full_size = (size - 8) * 8 + <> = rest + + acc = [ + {fourcc, pos, pos + size, size, + <>} + | acc + ] + + fix(rest, pos + size, got_moov || fourcc == "moov", got_mdat || fourcc == "mdat", acc) + end + + defp fix(<<>>, _pos, _, _, acc) do + :lists.reverse(acc) + end + + defp faststart(index) do + {{_ftyp, _, _, _, ftyp}, index} = List.keytake(index, "ftyp", 0) + + # Skip re-writing the free fourcc as it's kind of useless. + # Why stream useless bytes when you can do without? + {free_size, index} = + case List.keytake(index, "free", 0) do + {{_, _, _, size, _}, index} -> {size, index} + _ -> {0, index} + end + + {{_moov, _, _, moov_size, moov}, index} = List.keytake(index, "moov", 0) + offset = -free_size + moov_size + rest = for {_, _, _, _, data} <- index, do: data, into: [] + <> = moov + [ftyp, moov_head, fix_moov(moov_data, offset, []), rest] + end + + defp fix_moov( + <>, + offset, + acc + ) do + full_size = (size - 8) * 8 + <> = rest + + data = + cond do + fourcc in ["trak", "mdia", "minf", "stbl"] -> + # Theses contains sto or co64 part + [<>, fix_moov(data, offset, [])] + + fourcc in ["stco", "co64"] -> + # fix the damn thing + <> = data + + entry_size = + case fourcc do + "stco" -> 32 + "co64" -> 64 + end + + [ + <>, + rewrite_entries(entry_size, offset, rest, []) + ] + + true -> + [<>, data] + end + + acc = [acc | data] + fix_moov(rest, offset, acc) + end + + defp fix_moov(<<>>, _, acc), do: acc + + for size <- [32, 64] do + defp rewrite_entries( + unquote(size), + offset, + <>, + acc + ) do + rewrite_entries(unquote(size), offset, rest, [ + acc | <> + ]) + end + end + + defp rewrite_entries(_, _, <<>>, acc), do: acc +end diff --git a/lib/pleroma/helpers/uri_helper.ex b/lib/pleroma/helpers/uri_helper.ex index 6d205a636..f1301f055 100644 --- a/lib/pleroma/helpers/uri_helper.ex +++ b/lib/pleroma/helpers/uri_helper.ex @@ -3,18 +3,22 @@ # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Helpers.UriHelper do - def append_uri_params(uri, appended_params) do + def modify_uri_params(uri, overridden_params, deleted_params \\ []) do uri = URI.parse(uri) - appended_params = for {k, v} <- appended_params, into: %{}, do: {to_string(k), v} - existing_params = URI.query_decoder(uri.query || "") |> Enum.into(%{}) - updated_params_keys = Enum.uniq(Map.keys(existing_params) ++ Map.keys(appended_params)) + + existing_params = URI.query_decoder(uri.query || "") |> Map.new() + overridden_params = Map.new(overridden_params, fn {k, v} -> {to_string(k), v} end) + deleted_params = Enum.map(deleted_params, &to_string/1) updated_params = - for k <- updated_params_keys, do: {k, appended_params[k] || existing_params[k]} + existing_params + |> Map.merge(overridden_params) + |> Map.drop(deleted_params) uri |> Map.put(:query, URI.encode_query(updated_params)) |> URI.to_string() + |> String.replace_suffix("?", "") end def maybe_add_base("/" <> uri, base), do: Path.join([base, uri]) diff --git a/lib/pleroma/instances/instance.ex b/lib/pleroma/instances/instance.ex index 6948651c7..f0f601469 100644 --- a/lib/pleroma/instances/instance.ex +++ b/lib/pleroma/instances/instance.ex @@ -156,9 +156,7 @@ defmodule Pleroma.Instances.Instance do defp scrape_favicon(%URI{} = instance_uri) do try do with {:ok, %Tesla.Env{body: html}} <- - Pleroma.HTTP.get(to_string(instance_uri), [{"accept", "text/html"}], - adapter: [pool: :media] - ), + Pleroma.HTTP.get(to_string(instance_uri), [{"accept", "text/html"}], pool: :media), {_, [favicon_rel | _]} when is_binary(favicon_rel) <- {:parse, html |> Floki.parse_document!() |> Floki.attribute("link[rel=icon]", "href")}, diff --git a/lib/pleroma/object/fetcher.ex b/lib/pleroma/object/fetcher.ex index 24dc7cb95..169298b34 100644 --- a/lib/pleroma/object/fetcher.ex +++ b/lib/pleroma/object/fetcher.ex @@ -12,6 +12,7 @@ defmodule Pleroma.Object.Fetcher do alias Pleroma.Web.ActivityPub.ObjectValidator alias Pleroma.Web.ActivityPub.Transmogrifier alias Pleroma.Web.Federator + alias Pleroma.Web.FedSockets require Logger require Pleroma.Constants @@ -182,27 +183,20 @@ defmodule Pleroma.Object.Fetcher do end end - def fetch_and_contain_remote_object_from_id(id) when is_binary(id) do + def fetch_and_contain_remote_object_from_id(prm, opts \\ []) + + def fetch_and_contain_remote_object_from_id(%{"id" => id}, opts), + do: fetch_and_contain_remote_object_from_id(id, opts) + + def fetch_and_contain_remote_object_from_id(id, opts) when is_binary(id) do Logger.debug("Fetching object #{id} via AP") - date = Pleroma.Signature.signed_date() - - headers = - [{"accept", "application/activity+json"}] - |> maybe_date_fetch(date) - |> sign_fetch(id, date) - - Logger.debug("Fetch headers: #{inspect(headers)}") - with {:scheme, true} <- {:scheme, String.starts_with?(id, "http")}, - {:ok, %{body: body, status: code}} when code in 200..299 <- HTTP.get(id, headers), - {:ok, data} <- Jason.decode(body), + {:ok, body} <- get_object(id, opts), + {:ok, data} <- safe_json_decode(body), :ok <- Containment.contain_origin_from_id(id, data) do {:ok, data} else - {:ok, %{status: code}} when code in [404, 410] -> - {:error, "Object has been deleted"} - {:scheme, _} -> {:error, "Unsupported URI scheme"} @@ -214,8 +208,44 @@ defmodule Pleroma.Object.Fetcher do end end - def fetch_and_contain_remote_object_from_id(%{"id" => id}), - do: fetch_and_contain_remote_object_from_id(id) + def fetch_and_contain_remote_object_from_id(_id, _opts), + do: {:error, "id must be a string"} - def fetch_and_contain_remote_object_from_id(_id), do: {:error, "id must be a string"} + defp get_object(id, opts) do + with false <- Keyword.get(opts, :force_http, false), + {:ok, fedsocket} <- FedSockets.get_or_create_fed_socket(id) do + Logger.debug("fetching via fedsocket - #{inspect(id)}") + FedSockets.fetch(fedsocket, id) + else + _other -> + Logger.debug("fetching via http - #{inspect(id)}") + get_object_http(id) + end + end + + defp get_object_http(id) do + date = Pleroma.Signature.signed_date() + + headers = + [{"accept", "application/activity+json"}] + |> maybe_date_fetch(date) + |> sign_fetch(id, date) + + case HTTP.get(id, headers) do + {:ok, %{body: body, status: code}} when code in 200..299 -> + {:ok, body} + + {:ok, %{status: code}} when code in [404, 410] -> + {:error, "Object has been deleted"} + + {:error, e} -> + {:error, e} + + e -> + {:error, e} + end + end + + defp safe_json_decode(nil), do: {:ok, nil} + defp safe_json_decode(json), do: Jason.decode(json) end diff --git a/lib/pleroma/reverse_proxy/reverse_proxy.ex b/lib/pleroma/reverse_proxy/reverse_proxy.ex index 0de4e2309..8ae1157df 100644 --- a/lib/pleroma/reverse_proxy/reverse_proxy.ex +++ b/lib/pleroma/reverse_proxy/reverse_proxy.ex @@ -17,6 +17,9 @@ defmodule Pleroma.ReverseProxy do @failed_request_ttl :timer.seconds(60) @methods ~w(GET HEAD) + def max_read_duration_default, do: @max_read_duration + def default_cache_control_header, do: @default_cache_control_header + @moduledoc """ A reverse proxy. @@ -391,6 +394,8 @@ defmodule Pleroma.ReverseProxy do defp body_size_constraint(_, _), do: :ok + defp check_read_duration(nil = _duration, max), do: check_read_duration(@max_read_duration, max) + defp check_read_duration(duration, max) when is_integer(duration) and is_integer(max) and max > 0 do if duration > max do diff --git a/lib/pleroma/signature.ex b/lib/pleroma/signature.ex index 3aa6909d2..e388993b7 100644 --- a/lib/pleroma/signature.ex +++ b/lib/pleroma/signature.ex @@ -39,7 +39,7 @@ defmodule Pleroma.Signature do def fetch_public_key(conn) do with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn), {:ok, actor_id} <- key_id_to_actor_id(kid), - {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do + {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id, force_http: true) do {:ok, public_key} else e -> @@ -50,8 +50,8 @@ defmodule Pleroma.Signature do def refetch_public_key(conn) do with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn), {:ok, actor_id} <- key_id_to_actor_id(kid), - {:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id), - {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do + {:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id, force_http: true), + {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id, force_http: true) do {:ok, public_key} else e -> diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex index cf72985fe..410c9cbac 100644 --- a/lib/pleroma/user.ex +++ b/lib/pleroma/user.ex @@ -1769,12 +1769,12 @@ defmodule Pleroma.User do def html_filter_policy(_), do: Config.get([:markup, :scrub_policy]) - def fetch_by_ap_id(ap_id), do: ActivityPub.make_user_from_ap_id(ap_id) + def fetch_by_ap_id(ap_id, opts \\ []), do: ActivityPub.make_user_from_ap_id(ap_id, opts) - def get_or_fetch_by_ap_id(ap_id) do + def get_or_fetch_by_ap_id(ap_id, opts \\ []) do cached_user = get_cached_by_ap_id(ap_id) - maybe_fetched_user = needs_update?(cached_user) && fetch_by_ap_id(ap_id) + maybe_fetched_user = needs_update?(cached_user) && fetch_by_ap_id(ap_id, opts) case {cached_user, maybe_fetched_user} do {_, {:ok, %User{} = user}} -> @@ -1847,8 +1847,8 @@ defmodule Pleroma.User do def public_key(_), do: {:error, "key not found"} - def get_public_key_for_ap_id(ap_id) do - with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id), + def get_public_key_for_ap_id(ap_id, opts \\ []) do + with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id, opts), {:ok, public_key} <- public_key(user) do {:ok, public_key} else diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 92fc1e422..06e8e1a7c 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -1270,10 +1270,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def fetch_follow_information_for_user(user) do with {:ok, following_data} <- - Fetcher.fetch_and_contain_remote_object_from_id(user.following_address), + Fetcher.fetch_and_contain_remote_object_from_id(user.following_address, + force_http: true + ), {:ok, hide_follows} <- collection_private(following_data), {:ok, followers_data} <- - Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address), + Fetcher.fetch_and_contain_remote_object_from_id(user.follower_address, force_http: true), {:ok, hide_followers} <- collection_private(followers_data) do {:ok, %{ @@ -1347,8 +1349,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - def fetch_and_prepare_user_from_ap_id(ap_id) do - with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id), + def fetch_and_prepare_user_from_ap_id(ap_id, opts \\ []) do + with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id, opts), {:ok, data} <- user_data_from_user_object(data) do {:ok, maybe_update_follow_information(data)} else @@ -1390,13 +1392,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - def make_user_from_ap_id(ap_id) do + def make_user_from_ap_id(ap_id, opts \\ []) do user = User.get_cached_by_ap_id(ap_id) if user && !User.ap_enabled?(user) do Transmogrifier.upgrade_user_from_ap_id(ap_id) else - with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do + with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id, opts) do if user do user |> User.remote_user_changeset(data) diff --git a/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex b/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex index 98d595469..0fb05d3c4 100644 --- a/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/media_proxy_warming_policy.ex @@ -12,17 +12,21 @@ defmodule Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy do require Logger - @options [ + @adapter_options [ pool: :media, recv_timeout: 10_000 ] def perform(:prefetch, url) do - Logger.debug("Prefetching #{inspect(url)}") + # Fetching only proxiable resources + if MediaProxy.enabled?() and MediaProxy.url_proxiable?(url) do + # If preview proxy is enabled, it'll also hit media proxy (so we're caching both requests) + prefetch_url = MediaProxy.preview_url(url) - url - |> MediaProxy.url() - |> HTTP.get([], @options) + Logger.debug("Prefetching #{inspect(url)} as #{inspect(prefetch_url)}") + + HTTP.get(prefetch_url, [], @adapter_options) + end end def perform(:preload, %{"object" => %{"attachment" => attachments}} = _message) do diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex index d88f7f3ee..9c3956683 100644 --- a/lib/pleroma/web/activity_pub/publisher.ex +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -13,6 +13,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do alias Pleroma.User alias Pleroma.Web.ActivityPub.Relay alias Pleroma.Web.ActivityPub.Transmogrifier + alias Pleroma.Web.FedSockets require Pleroma.Constants @@ -50,15 +51,35 @@ defmodule Pleroma.Web.ActivityPub.Publisher do def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do Logger.debug("Federating #{id} to #{inbox}") - uri = URI.parse(inbox) + case FedSockets.get_or_create_fed_socket(inbox) do + {:ok, fedsocket} -> + Logger.debug("publishing via fedsockets - #{inspect(inbox)}") + FedSockets.publish(fedsocket, json) + _ -> + Logger.debug("publishing via http - #{inspect(inbox)}") + http_publish(inbox, actor, json, params) + end + end + + def publish_one(%{actor_id: actor_id} = params) do + actor = User.get_cached_by_id(actor_id) + + params + |> Map.delete(:actor_id) + |> Map.put(:actor, actor) + |> publish_one() + end + + defp http_publish(inbox, actor, json, params) do + uri = %{path: path} = URI.parse(inbox) digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) date = Pleroma.Signature.signed_date() signature = Pleroma.Signature.sign(actor, %{ - "(request-target)": "post #{uri.path}", + "(request-target)": "post #{path}", host: signature_host(uri), "content-length": byte_size(json), digest: digest, @@ -89,15 +110,6 @@ defmodule Pleroma.Web.ActivityPub.Publisher do end end - def publish_one(%{actor_id: actor_id} = params) do - actor = User.get_cached_by_id(actor_id) - - params - |> Map.delete(:actor_id) - |> Map.put(:actor, actor) - |> publish_one() - end - defp signature_host(%URI{port: port, scheme: scheme, host: host}) do if port == URI.default_port(scheme) do host diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index fcca014f0..aa6a69463 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -1000,7 +1000,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do def upgrade_user_from_ap_id(ap_id) do with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id), - {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id), + {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id, force_http: true), {:ok, user} <- update_user(user, data) do TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id}) {:ok, user} diff --git a/lib/pleroma/web/fed_sockets/fed_registry.ex b/lib/pleroma/web/fed_sockets/fed_registry.ex new file mode 100644 index 000000000..e00ea69c0 --- /dev/null +++ b/lib/pleroma/web/fed_sockets/fed_registry.ex @@ -0,0 +1,185 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.FedRegistry do + @moduledoc """ + The FedRegistry stores the active FedSockets for quick retrieval. + + The storage and retrieval portion of the FedRegistry is done in process through + elixir's `Registry` module for speed and its ability to monitor for terminated processes. + + Dropped connections will be caught by `Registry` and deleted. Since the next + message will initiate a new connection there is no reason to try and reconnect at that point. + + Normally outside modules should have no need to call or use the FedRegistry themselves. + """ + + alias Pleroma.Web.FedSockets.FedSocket + alias Pleroma.Web.FedSockets.SocketInfo + + require Logger + + @default_rejection_duration 15 * 60 * 1000 + @rejections :fed_socket_rejections + + @doc """ + Retrieves a FedSocket from the Registry given it's origin. + + The origin is expected to be a string identifying the endpoint "example.com" or "example2.com:8080" + + Will return: + * {:ok, fed_socket} for working FedSockets + * {:error, :rejected} for origins that have been tried and refused within the rejection duration interval + * {:error, some_reason} usually :missing for unknown origins + """ + def get_fed_socket(origin) do + case get_registry_data(origin) do + {:error, reason} -> + {:error, reason} + + {:ok, %{state: :connected} = socket_info} -> + {:ok, socket_info} + end + end + + @doc """ + Adds a connected FedSocket to the Registry. + + Always returns {:ok, fed_socket} + """ + def add_fed_socket(origin, pid \\ nil) do + origin + |> SocketInfo.build(pid) + |> SocketInfo.connect() + |> add_socket_info + end + + defp add_socket_info(%{origin: origin, state: :connected} = socket_info) do + case Registry.register(FedSockets.Registry, origin, socket_info) do + {:ok, _owner} -> + clear_prior_rejection(origin) + Logger.debug("fedsocket added: #{inspect(origin)}") + + {:ok, socket_info} + + {:error, {:already_registered, _pid}} -> + FedSocket.close(socket_info) + existing_socket_info = Registry.lookup(FedSockets.Registry, origin) + + {:ok, existing_socket_info} + + _ -> + {:error, :error_adding_socket} + end + end + + @doc """ + Mark this origin as having rejected a connection attempt. + This will keep it from getting additional connection attempts + for a period of time specified in the config. + + Always returns {:ok, new_reg_data} + """ + def set_host_rejected(uri) do + new_reg_data = + uri + |> SocketInfo.origin() + |> get_or_create_registry_data() + |> set_to_rejected() + |> save_registry_data() + + {:ok, new_reg_data} + end + + @doc """ + Retrieves the FedRegistryData from the Registry given it's origin. + + The origin is expected to be a string identifying the endpoint "example.com" or "example2.com:8080" + + Will return: + * {:ok, fed_registry_data} for known origins + * {:error, :missing} for uniknown origins + * {:error, :cache_error} indicating some low level runtime issues + """ + def get_registry_data(origin) do + case Registry.lookup(FedSockets.Registry, origin) do + [] -> + if is_rejected?(origin) do + Logger.debug("previously rejected fedsocket requested") + {:error, :rejected} + else + {:error, :missing} + end + + [{_pid, %{state: :connected} = socket_info}] -> + {:ok, socket_info} + + _ -> + {:error, :cache_error} + end + end + + @doc """ + Retrieves a map of all sockets from the Registry. The keys are the origins and the values are the corresponding SocketInfo + """ + def list_all do + (list_all_connected() ++ list_all_rejected()) + |> Enum.into(%{}) + end + + defp list_all_connected do + FedSockets.Registry + |> Registry.select([{{:"$1", :_, :"$3"}, [], [{{:"$1", :"$3"}}]}]) + end + + defp list_all_rejected do + {:ok, keys} = Cachex.keys(@rejections) + + {:ok, registry_data} = + Cachex.execute(@rejections, fn worker -> + Enum.map(keys, fn k -> {k, Cachex.get!(worker, k)} end) + end) + + registry_data + end + + defp clear_prior_rejection(origin), + do: Cachex.del(@rejections, origin) + + defp is_rejected?(origin) do + case Cachex.get(@rejections, origin) do + {:ok, nil} -> + false + + {:ok, _} -> + true + end + end + + defp get_or_create_registry_data(origin) do + case get_registry_data(origin) do + {:error, :missing} -> + %SocketInfo{origin: origin} + + {:ok, socket_info} -> + socket_info + end + end + + defp save_registry_data(%SocketInfo{origin: origin, state: :connected} = socket_info) do + {:ok, true} = Registry.update_value(FedSockets.Registry, origin, fn _ -> socket_info end) + socket_info + end + + defp save_registry_data(%SocketInfo{origin: origin, state: :rejected} = socket_info) do + rejection_expiration = + Pleroma.Config.get([:fed_sockets, :rejection_duration], @default_rejection_duration) + + {:ok, true} = Cachex.put(@rejections, origin, socket_info, ttl: rejection_expiration) + socket_info + end + + defp set_to_rejected(%SocketInfo{} = socket_info), + do: %SocketInfo{socket_info | state: :rejected} +end diff --git a/lib/pleroma/web/fed_sockets/fed_socket.ex b/lib/pleroma/web/fed_sockets/fed_socket.ex new file mode 100644 index 000000000..98d64e65a --- /dev/null +++ b/lib/pleroma/web/fed_sockets/fed_socket.ex @@ -0,0 +1,137 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.FedSocket do + @moduledoc """ + The FedSocket module abstracts the actions to be taken taken on connections regardless of + whether the connection started as inbound or outbound. + + + Normally outside modules will have no need to call the FedSocket module directly. + """ + + alias Pleroma.Object + alias Pleroma.Object.Containment + alias Pleroma.User + alias Pleroma.Web.ActivityPub.ObjectView + alias Pleroma.Web.ActivityPub.UserView + alias Pleroma.Web.ActivityPub.Visibility + alias Pleroma.Web.FedSockets.FetchRegistry + alias Pleroma.Web.FedSockets.IngesterWorker + alias Pleroma.Web.FedSockets.OutgoingHandler + alias Pleroma.Web.FedSockets.SocketInfo + + require Logger + + @shake "61dd18f7-f1e6-49a4-939a-a749fcdc1103" + + def connect_to_host(uri) do + case OutgoingHandler.start_link(uri) do + {:ok, pid} -> + {:ok, pid} + + error -> + {:error, error} + end + end + + def close(%SocketInfo{pid: socket_pid}), + do: Process.send(socket_pid, :close, []) + + def publish(%SocketInfo{pid: socket_pid}, json) do + %{action: :publish, data: json} + |> Jason.encode!() + |> send_packet(socket_pid) + end + + def fetch(%SocketInfo{pid: socket_pid}, id) do + fetch_uuid = FetchRegistry.register_fetch(id) + + %{action: :fetch, data: id, uuid: fetch_uuid} + |> Jason.encode!() + |> send_packet(socket_pid) + + wait_for_fetch_to_return(fetch_uuid, 0) + end + + def receive_package(%SocketInfo{} = fed_socket, json) do + json + |> Jason.decode!() + |> process_package(fed_socket) + end + + defp wait_for_fetch_to_return(uuid, cntr) do + case FetchRegistry.check_fetch(uuid) do + {:error, :waiting} -> + Process.sleep(:math.pow(cntr, 3) |> Kernel.trunc()) + wait_for_fetch_to_return(uuid, cntr + 1) + + {:error, :missing} -> + Logger.error("FedSocket fetch timed out - #{inspect(uuid)}") + {:error, :timeout} + + {:ok, _fr} -> + FetchRegistry.pop_fetch(uuid) + end + end + + defp process_package(%{"action" => "publish", "data" => data}, %{origin: origin} = _fed_socket) do + if Containment.contain_origin(origin, data) do + IngesterWorker.enqueue("ingest", %{"object" => data}) + end + + {:reply, %{"action" => "publish_reply", "status" => "processed"}} + end + + defp process_package(%{"action" => "fetch_reply", "uuid" => uuid, "data" => data}, _fed_socket) do + FetchRegistry.register_fetch_received(uuid, data) + {:noreply, nil} + end + + defp process_package(%{"action" => "fetch", "uuid" => uuid, "data" => ap_id}, _fed_socket) do + {:ok, data} = render_fetched_data(ap_id, uuid) + {:reply, data} + end + + defp process_package(%{"action" => "publish_reply"}, _fed_socket) do + {:noreply, nil} + end + + defp process_package(other, _fed_socket) do + Logger.warn("unknown json packages received #{inspect(other)}") + {:noreply, nil} + end + + defp render_fetched_data(ap_id, uuid) do + {:ok, + %{ + "action" => "fetch_reply", + "status" => "processed", + "uuid" => uuid, + "data" => represent_item(ap_id) + }} + end + + defp represent_item(ap_id) do + case User.get_by_ap_id(ap_id) do + nil -> + object = Object.get_cached_by_ap_id(ap_id) + + if Visibility.is_public?(object) do + Phoenix.View.render_to_string(ObjectView, "object.json", object: object) + else + nil + end + + user -> + Phoenix.View.render_to_string(UserView, "user.json", user: user) + end + end + + defp send_packet(data, socket_pid) do + Process.send(socket_pid, {:send, data}, []) + end + + def shake, do: @shake +end diff --git a/lib/pleroma/web/fed_sockets/fed_sockets.ex b/lib/pleroma/web/fed_sockets/fed_sockets.ex new file mode 100644 index 000000000..1fd5899c8 --- /dev/null +++ b/lib/pleroma/web/fed_sockets/fed_sockets.ex @@ -0,0 +1,185 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets do + @moduledoc """ + This documents the FedSockets framework. A framework for federating + ActivityPub objects between servers via persistant WebSocket connections. + + FedSockets allow servers to authenticate on first contact and maintain that + connection, eliminating the need to authenticate every time data needs to be shared. + + ## Protocol + FedSockets currently support 2 types of data transfer: + * `publish` method which doesn't require a response + * `fetch` method requires a response be sent + + ### Publish + The publish operation sends a json encoded map of the shape: + %{action: :publish, data: json} + and accepts (but does not require) a reply of form: + %{"action" => "publish_reply"} + + The outgoing params represent + * data: ActivityPub object encoded into json + + + ### Fetch + The fetch operation sends a json encoded map of the shape: + %{action: :fetch, data: id, uuid: fetch_uuid} + and requires a reply of form: + %{"action" => "fetch_reply", "uuid" => uuid, "data" => data} + + The outgoing params represent + * id: an ActivityPub object URI + * uuid: a unique uuid generated by the sender + + The reply params represent + * data: an ActivityPub object encoded into json + * uuid: the uuid sent along with the fetch request + + ## Examples + Clients of FedSocket transfers shouldn't need to use any of the functions outside of this module. + + A typical publish operation can be performed through the following code, and a fetch operation in a similar manner. + + case FedSockets.get_or_create_fed_socket(inbox) do + {:ok, fedsocket} -> + FedSockets.publish(fedsocket, json) + + _ -> + alternative_publish(inbox, actor, json, params) + end + + ## Configuration + FedSockets have the following config settings + + config :pleroma, :fed_sockets, + enabled: true, + ping_interval: :timer.seconds(15), + connection_duration: :timer.hours(1), + rejection_duration: :timer.hours(1), + fed_socket_fetches: [ + default: 12_000, + interval: 3_000, + lazy: false + ] + * enabled - turn FedSockets on or off with this flag. Can be toggled at runtime. + * connection_duration - How long a FedSocket can sit idle before it's culled. + * rejection_duration - After failing to make a FedSocket connection a host will be excluded + from further connections for this amount of time + * fed_socket_fetches - Use these parameters to pass options to the Cachex queue backing the FetchRegistry + * fed_socket_rejections - Use these parameters to pass options to the Cachex queue backing the FedRegistry + + Cachex options are + * default: the minimum amount of time a fetch can wait before it times out. + * interval: the interval between checks for timed out entries. This plus the default represent the maximum time allowed + * lazy: leave at false for consistant and fast lookups, set to true for stricter timeout enforcement + + """ + require Logger + + alias Pleroma.Web.FedSockets.FedRegistry + alias Pleroma.Web.FedSockets.FedSocket + alias Pleroma.Web.FedSockets.SocketInfo + + @doc """ + returns a FedSocket for the given origin. Will reuse an existing one or create a new one. + + address is expected to be a fully formed URL such as: + "http://www.example.com" or "http://www.example.com:8080" + + It can and usually does include additional path parameters, + but these are ignored as the FedSockets are organized by host and port info alone. + """ + def get_or_create_fed_socket(address) do + with {:cache, {:error, :missing}} <- {:cache, get_fed_socket(address)}, + {:connect, {:ok, _pid}} <- {:connect, FedSocket.connect_to_host(address)}, + {:cache, {:ok, fed_socket}} <- {:cache, get_fed_socket(address)} do + Logger.debug("fedsocket created for - #{inspect(address)}") + {:ok, fed_socket} + else + {:cache, {:ok, socket}} -> + Logger.debug("fedsocket found in cache - #{inspect(address)}") + {:ok, socket} + + {:cache, {:error, :rejected} = e} -> + e + + {:connect, {:error, _host}} -> + Logger.debug("set host rejected for - #{inspect(address)}") + FedRegistry.set_host_rejected(address) + {:error, :rejected} + + {_, {:error, :disabled}} -> + {:error, :disabled} + + {_, {:error, reason}} -> + Logger.warn("get_or_create_fed_socket error - #{inspect(reason)}") + {:error, reason} + end + end + + @doc """ + returns a FedSocket for the given origin. Will not create a new FedSocket if one does not exist. + + address is expected to be a fully formed URL such as: + "http://www.example.com" or "http://www.example.com:8080" + """ + def get_fed_socket(address) do + origin = SocketInfo.origin(address) + + with {:config, true} <- {:config, Pleroma.Config.get([:fed_sockets, :enabled], false)}, + {:ok, socket} <- FedRegistry.get_fed_socket(origin) do + {:ok, socket} + else + {:config, _} -> + {:error, :disabled} + + {:error, :rejected} -> + Logger.debug("FedSocket previously rejected - #{inspect(origin)}") + {:error, :rejected} + + {:error, reason} -> + {:error, reason} + end + end + + @doc """ + Sends the supplied data via the publish protocol. + It will not block waiting for a reply. + Returns :ok but this is not an indication of a successful transfer. + + the data is expected to be JSON encoded binary data. + """ + def publish(%SocketInfo{} = fed_socket, json) do + FedSocket.publish(fed_socket, json) + end + + @doc """ + Sends the supplied data via the fetch protocol. + It will block waiting for a reply or timeout. + + Returns {:ok, object} where object is the requested object (or nil) + {:error, :timeout} in the event the message was not responded to + + the id is expected to be the URI of an ActivityPub object. + """ + def fetch(%SocketInfo{} = fed_socket, id) do + FedSocket.fetch(fed_socket, id) + end + + @doc """ + Disconnect all and restart FedSockets. + This is mainly used in development and testing but could be useful in production. + """ + def reset do + FedRegistry + |> Process.whereis() + |> Process.exit(:testing) + end + + def uri_for_origin(origin), + do: "ws://#{origin}/api/fedsocket/v1" +end diff --git a/lib/pleroma/web/fed_sockets/fetch_registry.ex b/lib/pleroma/web/fed_sockets/fetch_registry.ex new file mode 100644 index 000000000..7897f0fc6 --- /dev/null +++ b/lib/pleroma/web/fed_sockets/fetch_registry.ex @@ -0,0 +1,151 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.FetchRegistry do + @moduledoc """ + The FetchRegistry acts as a broker for fetch requests and return values. + This allows calling processes to block while waiting for a reply. + It doesn't impose it's own process instead using `Cachex` to handle fetches in process, allowing + multi threaded processes to avoid bottlenecking. + + Normally outside modules will have no need to call or use the FetchRegistry themselves. + + The `Cachex` parameters can be controlled from the config. Since exact timeout intervals + aren't necessary the following settings are used by default: + + config :pleroma, :fed_sockets, + fed_socket_fetches: [ + default: 12_000, + interval: 3_000, + lazy: false + ] + + """ + + defmodule FetchRegistryData do + defstruct uuid: nil, + sent_json: nil, + received_json: nil, + sent_at: nil, + received_at: nil + end + + alias Ecto.UUID + + require Logger + + @fetches :fed_socket_fetches + + @doc """ + Registers a json request wth the FetchRegistry and returns the identifying UUID. + """ + def register_fetch(json) do + %FetchRegistryData{uuid: uuid} = + json + |> new_registry_data + |> save_registry_data + + uuid + end + + @doc """ + Reports on the status of a Fetch given the identifying UUID. + + Will return + * {:ok, fetched_object} if a fetch has completed + * {:error, :waiting} if a fetch is still pending + * {:error, other_error} usually :missing to indicate a fetch that has timed out + """ + def check_fetch(uuid) do + case get_registry_data(uuid) do + {:ok, %FetchRegistryData{received_at: nil}} -> + {:error, :waiting} + + {:ok, %FetchRegistryData{} = reg_data} -> + {:ok, reg_data} + + e -> + e + end + end + + @doc """ + Retrieves the response to a fetch given the identifying UUID. + The completed fetch will be deleted from the FetchRegistry + + Will return + * {:ok, fetched_object} if a fetch has completed + * {:error, :waiting} if a fetch is still pending + * {:error, other_error} usually :missing to indicate a fetch that has timed out + """ + def pop_fetch(uuid) do + case check_fetch(uuid) do + {:ok, %FetchRegistryData{received_json: received_json}} -> + delete_registry_data(uuid) + {:ok, received_json} + + e -> + e + end + end + + @doc """ + This is called to register a fetch has returned. + It expects the result data along with the UUID that was sent in the request + + Will return the fetched object or :error + """ + def register_fetch_received(uuid, data) do + case get_registry_data(uuid) do + {:ok, %FetchRegistryData{received_at: nil} = reg_data} -> + reg_data + |> set_fetch_received(data) + |> save_registry_data() + + {:ok, %FetchRegistryData{} = reg_data} -> + Logger.warn("tried to add fetched data twice - #{uuid}") + reg_data + + {:error, _} -> + Logger.warn("Error adding fetch to registry - #{uuid}") + :error + end + end + + defp new_registry_data(json) do + %FetchRegistryData{ + uuid: UUID.generate(), + sent_json: json, + sent_at: :erlang.monotonic_time(:millisecond) + } + end + + defp get_registry_data(origin) do + case Cachex.get(@fetches, origin) do + {:ok, nil} -> + {:error, :missing} + + {:ok, reg_data} -> + {:ok, reg_data} + + _ -> + {:error, :cache_error} + end + end + + defp set_fetch_received(%FetchRegistryData{} = reg_data, data), + do: %FetchRegistryData{ + reg_data + | received_at: :erlang.monotonic_time(:millisecond), + received_json: data + } + + defp save_registry_data(%FetchRegistryData{uuid: uuid} = reg_data) do + {:ok, true} = Cachex.put(@fetches, uuid, reg_data) + reg_data + end + + defp delete_registry_data(origin), + do: {:ok, true} = Cachex.del(@fetches, origin) +end diff --git a/lib/pleroma/web/fed_sockets/incoming_handler.ex b/lib/pleroma/web/fed_sockets/incoming_handler.ex new file mode 100644 index 000000000..49d0d9d84 --- /dev/null +++ b/lib/pleroma/web/fed_sockets/incoming_handler.ex @@ -0,0 +1,88 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.IncomingHandler do + require Logger + + alias Pleroma.Web.FedSockets.FedRegistry + alias Pleroma.Web.FedSockets.FedSocket + alias Pleroma.Web.FedSockets.SocketInfo + + import HTTPSignatures, only: [validate_conn: 1, split_signature: 1] + + @behaviour :cowboy_websocket + + def init(req, state) do + shake = FedSocket.shake() + + with true <- Pleroma.Config.get([:fed_sockets, :enabled]), + sec_protocol <- :cowboy_req.header("sec-websocket-protocol", req, nil), + headers = %{"(request-target)" => ^shake} <- :cowboy_req.headers(req), + true <- validate_conn(%{req_headers: headers}), + %{"keyId" => origin} <- split_signature(headers["signature"]) do + req = + if is_nil(sec_protocol) do + req + else + :cowboy_req.set_resp_header("sec-websocket-protocol", sec_protocol, req) + end + + {:cowboy_websocket, req, %{origin: origin}, %{}} + else + _ -> + {:ok, req, state} + end + end + + def websocket_init(%{origin: origin}) do + case FedRegistry.add_fed_socket(origin) do + {:ok, socket_info} -> + {:ok, socket_info} + + e -> + Logger.error("FedSocket websocket_init failed - #{inspect(e)}") + {:error, inspect(e)} + end + end + + # Use the ping to check if the connection should be expired + def websocket_handle(:ping, socket_info) do + if SocketInfo.expired?(socket_info) do + {:stop, socket_info} + else + {:ok, socket_info, :hibernate} + end + end + + def websocket_handle({:text, data}, socket_info) do + socket_info = SocketInfo.touch(socket_info) + + case FedSocket.receive_package(socket_info, data) do + {:noreply, _} -> + {:ok, socket_info} + + {:reply, reply} -> + {:reply, {:text, Jason.encode!(reply)}, socket_info} + + {:error, reason} -> + Logger.error("incoming error - receive_package: #{inspect(reason)}") + {:ok, socket_info} + end + end + + def websocket_info({:send, message}, socket_info) do + socket_info = SocketInfo.touch(socket_info) + + {:reply, {:text, message}, socket_info} + end + + def websocket_info(:close, state) do + {:stop, state} + end + + def websocket_info(message, state) do + Logger.debug("#{__MODULE__} unknown message #{inspect(message)}") + {:ok, state} + end +end diff --git a/lib/pleroma/web/fed_sockets/ingester_worker.ex b/lib/pleroma/web/fed_sockets/ingester_worker.ex new file mode 100644 index 000000000..325f2a4ab --- /dev/null +++ b/lib/pleroma/web/fed_sockets/ingester_worker.ex @@ -0,0 +1,33 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.IngesterWorker do + use Pleroma.Workers.WorkerHelper, queue: "ingestion_queue" + require Logger + + alias Pleroma.Web.Federator + + @impl Oban.Worker + def perform(%Job{args: %{"op" => "ingest", "object" => ingestee}}) do + try do + ingestee + |> Jason.decode!() + |> do_ingestion() + rescue + e -> + Logger.error("IngesterWorker error - #{inspect(e)}") + e + end + end + + defp do_ingestion(params) do + case Federator.incoming_ap_doc(params) do + {:error, reason} -> + {:error, reason} + + {:ok, object} -> + {:ok, object} + end + end +end diff --git a/lib/pleroma/web/fed_sockets/outgoing_handler.ex b/lib/pleroma/web/fed_sockets/outgoing_handler.ex new file mode 100644 index 000000000..6ddef17fe --- /dev/null +++ b/lib/pleroma/web/fed_sockets/outgoing_handler.ex @@ -0,0 +1,146 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.OutgoingHandler do + use GenServer + + require Logger + + alias Pleroma.Web.ActivityPub.InternalFetchActor + alias Pleroma.Web.FedSockets + alias Pleroma.Web.FedSockets.FedRegistry + alias Pleroma.Web.FedSockets.FedSocket + alias Pleroma.Web.FedSockets.SocketInfo + + def start_link(uri) do + GenServer.start_link(__MODULE__, %{uri: uri}) + end + + def init(%{uri: uri}) do + case initiate_connection(uri) do + {:ok, ws_origin, conn_pid} -> + FedRegistry.add_fed_socket(ws_origin, conn_pid) + + {:error, reason} -> + Logger.debug("Outgoing connection failed - #{inspect(reason)}") + :ignore + end + end + + def handle_info({:gun_ws, conn_pid, _ref, {:text, data}}, socket_info) do + socket_info = SocketInfo.touch(socket_info) + + case FedSocket.receive_package(socket_info, data) do + {:noreply, _} -> + {:noreply, socket_info} + + {:reply, reply} -> + :gun.ws_send(conn_pid, {:text, Jason.encode!(reply)}) + {:noreply, socket_info} + + {:error, reason} -> + Logger.error("incoming error - receive_package: #{inspect(reason)}") + {:noreply, socket_info} + end + end + + def handle_info(:close, state) do + Logger.debug("Sending close frame !!!!!!!") + {:close, state} + end + + def handle_info({:gun_down, _pid, _prot, :closed, _}, state) do + {:stop, :normal, state} + end + + def handle_info({:send, data}, %{conn_pid: conn_pid} = socket_info) do + socket_info = SocketInfo.touch(socket_info) + :gun.ws_send(conn_pid, {:text, data}) + {:noreply, socket_info} + end + + def handle_info({:gun_ws, _, _, :pong}, state) do + {:noreply, state, :hibernate} + end + + def handle_info(msg, state) do + Logger.debug("#{__MODULE__} unhandled event #{inspect(msg)}") + {:noreply, state} + end + + def terminate(reason, state) do + Logger.debug( + "#{__MODULE__} terminating outgoing connection for #{inspect(state)} for #{inspect(reason)}" + ) + + {:ok, state} + end + + def initiate_connection(uri) do + ws_uri = + uri + |> SocketInfo.origin() + |> FedSockets.uri_for_origin() + + %{host: host, port: port, path: path} = URI.parse(ws_uri) + + with {:ok, conn_pid} <- :gun.open(to_charlist(host), port), + {:ok, _} <- :gun.await_up(conn_pid), + reference <- :gun.get(conn_pid, to_charlist(path)), + {:response, :fin, 204, _} <- :gun.await(conn_pid, reference), + headers <- build_headers(uri), + ref <- :gun.ws_upgrade(conn_pid, to_charlist(path), headers, %{silence_pings: false}) do + receive do + {:gun_upgrade, ^conn_pid, ^ref, [<<"websocket">>], _} -> + {:ok, ws_uri, conn_pid} + after + 15_000 -> + Logger.debug("Fedsocket timeout connecting to #{inspect(uri)}") + {:error, :timeout} + end + else + {:response, :nofin, 404, _} -> + {:error, :fedsockets_not_supported} + + e -> + Logger.debug("Fedsocket error connecting to #{inspect(uri)}") + {:error, e} + end + end + + defp build_headers(uri) do + host_for_sig = uri |> URI.parse() |> host_signature() + + shake = FedSocket.shake() + digest = "SHA-256=" <> (:crypto.hash(:sha256, shake) |> Base.encode64()) + date = Pleroma.Signature.signed_date() + shake_size = byte_size(shake) + + signature_opts = %{ + "(request-target)": shake, + "content-length": to_charlist("#{shake_size}"), + date: date, + digest: digest, + host: host_for_sig + } + + signature = Pleroma.Signature.sign(InternalFetchActor.get_actor(), signature_opts) + + [ + {'signature', to_charlist(signature)}, + {'date', date}, + {'digest', to_charlist(digest)}, + {'content-length', to_charlist("#{shake_size}")}, + {to_charlist("(request-target)"), to_charlist(shake)} + ] + end + + defp host_signature(%{host: host, scheme: scheme, port: port}) do + if port == URI.default_port(scheme) do + host + else + "#{host}:#{port}" + end + end +end diff --git a/lib/pleroma/web/fed_sockets/socket_info.ex b/lib/pleroma/web/fed_sockets/socket_info.ex new file mode 100644 index 000000000..d6fdffe1a --- /dev/null +++ b/lib/pleroma/web/fed_sockets/socket_info.ex @@ -0,0 +1,52 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.SocketInfo do + defstruct origin: nil, + pid: nil, + conn_pid: nil, + state: :default, + connected_until: nil + + alias Pleroma.Web.FedSockets.SocketInfo + @default_connection_duration 15 * 60 * 1000 + + def build(uri, conn_pid \\ nil) do + uri + |> build_origin() + |> build_pids(conn_pid) + |> touch() + end + + def touch(%SocketInfo{} = socket_info), + do: %{socket_info | connected_until: new_ttl()} + + def connect(%SocketInfo{} = socket_info), + do: %{socket_info | state: :connected} + + def expired?(%{connected_until: connected_until}), + do: connected_until < :erlang.monotonic_time(:millisecond) + + def origin(uri), + do: build_origin(uri).origin + + defp build_pids(socket_info, conn_pid), + do: struct(socket_info, pid: self(), conn_pid: conn_pid) + + defp build_origin(uri) when is_binary(uri), + do: uri |> URI.parse() |> build_origin + + defp build_origin(%{host: host, port: nil, scheme: scheme}), + do: build_origin(%{host: host, port: URI.default_port(scheme)}) + + defp build_origin(%{host: host, port: port}), + do: %SocketInfo{origin: "#{host}:#{port}"} + + defp new_ttl do + connection_duration = + Pleroma.Config.get([:fed_sockets, :connection_duration], @default_connection_duration) + + :erlang.monotonic_time(:millisecond) + connection_duration + end +end diff --git a/lib/pleroma/web/fed_sockets/supervisor.ex b/lib/pleroma/web/fed_sockets/supervisor.ex new file mode 100644 index 000000000..a5f4bebfb --- /dev/null +++ b/lib/pleroma/web/fed_sockets/supervisor.ex @@ -0,0 +1,59 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.Supervisor do + use Supervisor + import Cachex.Spec + + def start_link(opts) do + Supervisor.start_link(__MODULE__, opts, name: __MODULE__) + end + + def init(args) do + children = [ + build_cache(:fed_socket_fetches, args), + build_cache(:fed_socket_rejections, args), + {Registry, keys: :unique, name: FedSockets.Registry, meta: [rejected: %{}]} + ] + + opts = [strategy: :one_for_all, name: Pleroma.Web.Streamer.Supervisor] + Supervisor.init(children, opts) + end + + defp build_cache(name, args) do + opts = get_opts(name, args) + + %{ + id: String.to_atom("#{name}_cache"), + start: {Cachex, :start_link, [name, opts]}, + type: :worker + } + end + + defp get_opts(cache_name, args) + when cache_name in [:fed_socket_fetches, :fed_socket_rejections] do + default = get_opts_or_config(args, cache_name, :default, 15_000) + interval = get_opts_or_config(args, cache_name, :interval, 3_000) + lazy = get_opts_or_config(args, cache_name, :lazy, false) + + [expiration: expiration(default: default, interval: interval, lazy: lazy)] + end + + defp get_opts(name, args) do + Keyword.get(args, name, []) + end + + defp get_opts_or_config(args, name, key, default) do + args + |> Keyword.get(name, []) + |> Keyword.get(key) + |> case do + nil -> + Pleroma.Config.get([:fed_sockets, name, key], default) + + value -> + value + end + end +end diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex index d2a30a548..121ba1693 100644 --- a/lib/pleroma/web/mastodon_api/views/account_view.ex +++ b/lib/pleroma/web/mastodon_api/views/account_view.ex @@ -181,8 +181,10 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do user = User.sanitize_html(user, User.html_filter_policy(opts[:for])) display_name = user.name || user.nickname - image = User.avatar_url(user) |> MediaProxy.url() + avatar = User.avatar_url(user) |> MediaProxy.url() + avatar_static = User.avatar_url(user) |> MediaProxy.preview_url(static: true) header = User.banner_url(user) |> MediaProxy.url() + header_static = User.banner_url(user) |> MediaProxy.preview_url(static: true) following_count = if !user.hide_follows_count or !user.hide_follows or opts[:for] == user do @@ -247,10 +249,10 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do statuses_count: user.note_count, note: user.bio, url: user.uri || user.ap_id, - avatar: image, - avatar_static: image, + avatar: avatar, + avatar_static: avatar_static, header: header, - header_static: header, + header_static: header_static, emojis: emojis, fields: user.fields, bot: bot, diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex index 94b8dc8c6..435bcde15 100644 --- a/lib/pleroma/web/mastodon_api/views/status_view.ex +++ b/lib/pleroma/web/mastodon_api/views/status_view.ex @@ -415,6 +415,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do [attachment_url | _] = attachment["url"] media_type = attachment_url["mediaType"] || attachment_url["mimeType"] || "image" href = attachment_url["href"] |> MediaProxy.url() + href_preview = attachment_url["href"] |> MediaProxy.preview_url() type = cond do @@ -430,7 +431,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do id: to_string(attachment["id"] || hash_id), url: href, remote_url: href, - preview_url: href, + preview_url: href_preview, text_url: href, type: type, description: attachment["name"], diff --git a/lib/pleroma/web/media_proxy/invalidation.ex b/lib/pleroma/web/media_proxy/invalidation.ex index 5808861e6..4f4340478 100644 --- a/lib/pleroma/web/media_proxy/invalidation.ex +++ b/lib/pleroma/web/media_proxy/invalidation.ex @@ -33,6 +33,8 @@ defmodule Pleroma.Web.MediaProxy.Invalidation do def prepare_urls(urls) do urls |> List.wrap() - |> Enum.map(&MediaProxy.url/1) + |> Enum.map(fn url -> [MediaProxy.url(url), MediaProxy.preview_url(url)] end) + |> List.flatten() + |> Enum.uniq() end end diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex index e18dd8224..8656b8cad 100644 --- a/lib/pleroma/web/media_proxy/media_proxy.ex +++ b/lib/pleroma/web/media_proxy/media_proxy.ex @@ -4,6 +4,7 @@ defmodule Pleroma.Web.MediaProxy do alias Pleroma.Config + alias Pleroma.Helpers.UriHelper alias Pleroma.Upload alias Pleroma.Web alias Pleroma.Web.MediaProxy.Invalidation @@ -40,27 +41,35 @@ defmodule Pleroma.Web.MediaProxy do def url("/" <> _ = url), do: url def url(url) do - if disabled?() or not url_proxiable?(url) do - url - else + if enabled?() and url_proxiable?(url) do encode_url(url) + else + url end end @spec url_proxiable?(String.t()) :: boolean() def url_proxiable?(url) do - if local?(url) or whitelisted?(url) do - false + not local?(url) and not whitelisted?(url) + end + + def preview_url(url, preview_params \\ []) do + if preview_enabled?() do + encode_preview_url(url, preview_params) else - true + url(url) end end - defp disabled?, do: !Config.get([:media_proxy, :enabled], false) + def enabled?, do: Config.get([:media_proxy, :enabled], false) - defp local?(url), do: String.starts_with?(url, Pleroma.Web.base_url()) + # Note: media proxy must be enabled for media preview proxy in order to load all + # non-local non-whitelisted URLs through it and be sure that body size constraint is preserved. + def preview_enabled?, do: enabled?() and !!Config.get([:media_preview_proxy, :enabled]) - defp whitelisted?(url) do + def local?(url), do: String.starts_with?(url, Pleroma.Web.base_url()) + + def whitelisted?(url) do %{host: domain} = URI.parse(url) mediaproxy_whitelist_domains = @@ -85,17 +94,29 @@ defmodule Pleroma.Web.MediaProxy do defp maybe_get_domain_from_url(domain), do: domain - def encode_url(url) do + defp base64_sig64(url) do base64 = Base.url_encode64(url, @base64_opts) sig64 = base64 - |> signed_url + |> signed_url() |> Base.url_encode64(@base64_opts) + {base64, sig64} + end + + def encode_url(url) do + {base64, sig64} = base64_sig64(url) + build_url(sig64, base64, filename(url)) end + def encode_preview_url(url, preview_params \\ []) do + {base64, sig64} = base64_sig64(url) + + build_preview_url(sig64, base64, filename(url), preview_params) + end + def decode_url(sig, url) do with {:ok, sig} <- Base.url_decode64(sig, @base64_opts), signature when signature == sig <- signed_url(url) do @@ -113,10 +134,14 @@ defmodule Pleroma.Web.MediaProxy do if path = URI.parse(url_or_path).path, do: Path.basename(path) end - def build_url(sig_base64, url_base64, filename \\ nil) do + def base_url do + Config.get([:media_proxy, :base_url], Web.base_url()) + end + + defp proxy_url(path, sig_base64, url_base64, filename) do [ - Config.get([:media_proxy, :base_url], Web.base_url()), - "proxy", + base_url(), + path, sig_base64, url_base64, filename @@ -124,4 +149,38 @@ defmodule Pleroma.Web.MediaProxy do |> Enum.filter(& &1) |> Path.join() end + + def build_url(sig_base64, url_base64, filename \\ nil) do + proxy_url("proxy", sig_base64, url_base64, filename) + end + + def build_preview_url(sig_base64, url_base64, filename \\ nil, preview_params \\ []) do + uri = proxy_url("proxy/preview", sig_base64, url_base64, filename) + + UriHelper.modify_uri_params(uri, preview_params) + end + + def verify_request_path_and_url( + %Plug.Conn{params: %{"filename" => _}, request_path: request_path}, + url + ) do + verify_request_path_and_url(request_path, url) + end + + def verify_request_path_and_url(request_path, url) when is_binary(request_path) do + filename = filename(url) + + if filename && not basename_matches?(request_path, filename) do + {:wrong_filename, filename} + else + :ok + end + end + + def verify_request_path_and_url(_, _), do: :ok + + defp basename_matches?(path, filename) do + basename = Path.basename(path) + basename == filename or URI.decode(basename) == filename or URI.encode(basename) == filename + end end diff --git a/lib/pleroma/web/media_proxy/media_proxy_controller.ex b/lib/pleroma/web/media_proxy/media_proxy_controller.ex index 9a64b0ef3..90651ed9b 100644 --- a/lib/pleroma/web/media_proxy/media_proxy_controller.ex +++ b/lib/pleroma/web/media_proxy/media_proxy_controller.ex @@ -5,44 +5,201 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do use Pleroma.Web, :controller + alias Pleroma.Config + alias Pleroma.Helpers.MediaHelper + alias Pleroma.Helpers.UriHelper alias Pleroma.ReverseProxy alias Pleroma.Web.MediaProxy + alias Plug.Conn - @default_proxy_opts [max_body_length: 25 * 1_048_576, http: [follow_redirect: true]] - - def remote(conn, %{"sig" => sig64, "url" => url64} = params) do - with config <- Pleroma.Config.get([:media_proxy], []), - true <- Keyword.get(config, :enabled, false), + def remote(conn, %{"sig" => sig64, "url" => url64}) do + with {_, true} <- {:enabled, MediaProxy.enabled?()}, {:ok, url} <- MediaProxy.decode_url(sig64, url64), {_, false} <- {:in_banned_urls, MediaProxy.in_banned_urls(url)}, - :ok <- filename_matches(params, conn.request_path, url) do - ReverseProxy.call(conn, url, Keyword.get(config, :proxy_opts, @default_proxy_opts)) + :ok <- MediaProxy.verify_request_path_and_url(conn, url) do + ReverseProxy.call(conn, url, media_proxy_opts()) else - error when error in [false, {:in_banned_urls, true}] -> - send_resp(conn, 404, Plug.Conn.Status.reason_phrase(404)) + {:enabled, false} -> + send_resp(conn, 404, Conn.Status.reason_phrase(404)) + + {:in_banned_urls, true} -> + send_resp(conn, 404, Conn.Status.reason_phrase(404)) {:error, :invalid_signature} -> - send_resp(conn, 403, Plug.Conn.Status.reason_phrase(403)) + send_resp(conn, 403, Conn.Status.reason_phrase(403)) {:wrong_filename, filename} -> redirect(conn, external: MediaProxy.build_url(sig64, url64, filename)) end end - def filename_matches(%{"filename" => _} = _, path, url) do - filename = MediaProxy.filename(url) - - if filename && does_not_match(path, filename) do - {:wrong_filename, filename} + def preview(%Conn{} = conn, %{"sig" => sig64, "url" => url64}) do + with {_, true} <- {:enabled, MediaProxy.preview_enabled?()}, + {:ok, url} <- MediaProxy.decode_url(sig64, url64), + :ok <- MediaProxy.verify_request_path_and_url(conn, url) do + handle_preview(conn, url) else - :ok + {:enabled, false} -> + send_resp(conn, 404, Conn.Status.reason_phrase(404)) + + {:error, :invalid_signature} -> + send_resp(conn, 403, Conn.Status.reason_phrase(403)) + + {:wrong_filename, filename} -> + redirect(conn, external: MediaProxy.build_preview_url(sig64, url64, filename)) end end - def filename_matches(_, _, _), do: :ok + defp handle_preview(conn, url) do + media_proxy_url = MediaProxy.url(url) - defp does_not_match(path, filename) do - basename = Path.basename(path) - basename != filename and URI.decode(basename) != filename and URI.encode(basename) != filename + with {:ok, %{status: status} = head_response} when status in 200..299 <- + Pleroma.HTTP.request("head", media_proxy_url, [], [], pool: :media) do + content_type = Tesla.get_header(head_response, "content-type") + content_length = Tesla.get_header(head_response, "content-length") + content_length = content_length && String.to_integer(content_length) + static = conn.params["static"] in ["true", true] + + cond do + static and content_type == "image/gif" -> + handle_jpeg_preview(conn, media_proxy_url) + + static -> + drop_static_param_and_redirect(conn) + + content_type == "image/gif" -> + redirect(conn, external: media_proxy_url) + + min_content_length_for_preview() > 0 and content_length > 0 and + content_length < min_content_length_for_preview() -> + redirect(conn, external: media_proxy_url) + + true -> + handle_preview(content_type, conn, media_proxy_url) + end + else + # If HEAD failed, redirecting to media proxy URI doesn't make much sense; returning an error + {_, %{status: status}} -> + send_resp(conn, :failed_dependency, "Can't fetch HTTP headers (HTTP #{status}).") + + {:error, :recv_response_timeout} -> + send_resp(conn, :failed_dependency, "HEAD request timeout.") + + _ -> + send_resp(conn, :failed_dependency, "Can't fetch HTTP headers.") + end + end + + defp handle_preview("image/png" <> _ = _content_type, conn, media_proxy_url) do + handle_png_preview(conn, media_proxy_url) + end + + defp handle_preview("image/" <> _ = _content_type, conn, media_proxy_url) do + handle_jpeg_preview(conn, media_proxy_url) + end + + defp handle_preview("video/" <> _ = _content_type, conn, media_proxy_url) do + handle_video_preview(conn, media_proxy_url) + end + + defp handle_preview(_unsupported_content_type, conn, media_proxy_url) do + fallback_on_preview_error(conn, media_proxy_url) + end + + defp handle_png_preview(conn, media_proxy_url) do + quality = Config.get!([:media_preview_proxy, :image_quality]) + {thumbnail_max_width, thumbnail_max_height} = thumbnail_max_dimensions() + + with {:ok, thumbnail_binary} <- + MediaHelper.image_resize( + media_proxy_url, + %{ + max_width: thumbnail_max_width, + max_height: thumbnail_max_height, + quality: quality, + format: "png" + } + ) do + conn + |> put_preview_response_headers(["image/png", "preview.png"]) + |> send_resp(200, thumbnail_binary) + else + _ -> + fallback_on_preview_error(conn, media_proxy_url) + end + end + + defp handle_jpeg_preview(conn, media_proxy_url) do + quality = Config.get!([:media_preview_proxy, :image_quality]) + {thumbnail_max_width, thumbnail_max_height} = thumbnail_max_dimensions() + + with {:ok, thumbnail_binary} <- + MediaHelper.image_resize( + media_proxy_url, + %{max_width: thumbnail_max_width, max_height: thumbnail_max_height, quality: quality} + ) do + conn + |> put_preview_response_headers() + |> send_resp(200, thumbnail_binary) + else + _ -> + fallback_on_preview_error(conn, media_proxy_url) + end + end + + defp handle_video_preview(conn, media_proxy_url) do + with {:ok, thumbnail_binary} <- + MediaHelper.video_framegrab(media_proxy_url) do + conn + |> put_preview_response_headers() + |> send_resp(200, thumbnail_binary) + else + _ -> + fallback_on_preview_error(conn, media_proxy_url) + end + end + + defp drop_static_param_and_redirect(conn) do + uri_without_static_param = + conn + |> current_url() + |> UriHelper.modify_uri_params(%{}, ["static"]) + + redirect(conn, external: uri_without_static_param) + end + + defp fallback_on_preview_error(conn, media_proxy_url) do + redirect(conn, external: media_proxy_url) + end + + defp put_preview_response_headers( + conn, + [content_type, filename] = _content_info \\ ["image/jpeg", "preview.jpg"] + ) do + conn + |> put_resp_header("content-type", content_type) + |> put_resp_header("content-disposition", "inline; filename=\"#{filename}\"") + |> put_resp_header("cache-control", ReverseProxy.default_cache_control_header()) + end + + defp thumbnail_max_dimensions do + config = media_preview_proxy_config() + + thumbnail_max_width = Keyword.fetch!(config, :thumbnail_max_width) + thumbnail_max_height = Keyword.fetch!(config, :thumbnail_max_height) + + {thumbnail_max_width, thumbnail_max_height} + end + + defp min_content_length_for_preview do + Keyword.get(media_preview_proxy_config(), :min_content_length, 0) + end + + defp media_preview_proxy_config do + Config.get!([:media_preview_proxy]) + end + + defp media_proxy_opts do + Config.get([:media_proxy, :proxy_opts], []) end end diff --git a/lib/pleroma/web/metadata/utils.ex b/lib/pleroma/web/metadata/utils.ex index 2f0dfb474..8a206e019 100644 --- a/lib/pleroma/web/metadata/utils.ex +++ b/lib/pleroma/web/metadata/utils.ex @@ -38,7 +38,7 @@ defmodule Pleroma.Web.Metadata.Utils do def scrub_html(content), do: content def attachment_url(url) do - MediaProxy.url(url) + MediaProxy.preview_url(url) end def user_name_string(user) do diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex index 26e68be42..a4152e840 100644 --- a/lib/pleroma/web/oauth/oauth_controller.ex +++ b/lib/pleroma/web/oauth/oauth_controller.ex @@ -119,7 +119,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do redirect_uri = redirect_uri(conn, redirect_uri) url_params = %{access_token: token.token} url_params = Maps.put_if_present(url_params, :state, params["state"]) - url = UriHelper.append_uri_params(redirect_uri, url_params) + url = UriHelper.modify_uri_params(redirect_uri, url_params) redirect(conn, external: url) else conn @@ -161,7 +161,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do redirect_uri = redirect_uri(conn, redirect_uri) url_params = %{code: auth.token} url_params = Maps.put_if_present(url_params, :state, auth_attrs["state"]) - url = UriHelper.append_uri_params(redirect_uri, url_params) + url = UriHelper.modify_uri_params(redirect_uri, url_params) redirect(conn, external: url) else conn diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex index cd336b932..f924e1e91 100644 --- a/lib/pleroma/web/router.ex +++ b/lib/pleroma/web/router.ex @@ -680,6 +680,8 @@ defmodule Pleroma.Web.Router do end scope "/proxy/", Pleroma.Web.MediaProxy do + get("/preview/:sig/:url", MediaProxyController, :preview) + get("/preview/:sig/:url/:filename", MediaProxyController, :preview) get("/:sig/:url", MediaProxyController, :remote) get("/:sig/:url/:filename", MediaProxyController, :remote) end diff --git a/mix.lock b/mix.lock index a28c47017..adb3f024a 100644 --- a/mix.lock +++ b/mix.lock @@ -31,6 +31,7 @@ "ecto": {:hex, :ecto, "3.4.5", "2bcd262f57b2c888b0bd7f7a28c8a48aa11dc1a2c6a858e45dd8f8426d504265", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "8c6d1d4d524559e9b7a062f0498e2c206122552d63eacff0a6567ffe7a8e8691"}, "ecto_enum": {:hex, :ecto_enum, "1.4.0", "d14b00e04b974afc69c251632d1e49594d899067ee2b376277efd8233027aec8", [:mix], [{:ecto, ">= 3.0.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "> 3.0.0", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:mariaex, ">= 0.0.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:postgrex, ">= 0.0.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm", "8fb55c087181c2b15eee406519dc22578fa60dd82c088be376d0010172764ee4"}, "ecto_sql": {:hex, :ecto_sql, "3.4.5", "30161f81b167d561a9a2df4329c10ae05ff36eca7ccc84628f2c8b9fa1e43323", [:mix], [{:db_connection, "~> 2.2", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.4.3", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.3.0 or ~> 0.4.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.0", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "31990c6a3579b36a3c0841d34a94c275e727de8b84f58509da5f1b2032c98ac2"}, + "eimp": {:hex, :eimp, "1.0.14", "fc297f0c7e2700457a95a60c7010a5f1dcb768a083b6d53f49cd94ab95a28f22", [:rebar3], [{:p1_utils, "1.0.18", [hex: :p1_utils, repo: "hexpm", optional: false]}], "hexpm", "501133f3112079b92d9e22da8b88bf4f0e13d4d67ae9c15c42c30bd25ceb83b6"}, "elixir_make": {:hex, :elixir_make, "0.6.0", "38349f3e29aff4864352084fc736fa7fa0f2995a819a737554f7ebd28b85aaab", [:mix], [], "hexpm", "d522695b93b7f0b4c0fcb2dfe73a6b905b1c301226a5a55cb42e5b14d509e050"}, "esshd": {:hex, :esshd, "0.1.1", "d4dd4c46698093a40a56afecce8a46e246eb35463c457c246dacba2e056f31b5", [:mix], [], "hexpm", "d73e341e3009d390aa36387dc8862860bf9f874c94d9fd92ade2926376f49981"}, "eternal": {:hex, :eternal, "1.2.1", "d5b6b2499ba876c57be2581b5b999ee9bdf861c647401066d3eeed111d096bc4", [:mix], [], "hexpm", "b14f1dc204321429479c569cfbe8fb287541184ed040956c8862cb7a677b8406"}, @@ -80,6 +81,7 @@ "nodex": {:git, "https://git.pleroma.social/pleroma/nodex", "cb6730f943cfc6aad674c92161be23a8411f15d1", [ref: "cb6730f943cfc6aad674c92161be23a8411f15d1"]}, "oban": {:hex, :oban, "2.0.0", "e6ce70d94dd46815ec0882a1ffb7356df9a9d5b8a40a64ce5c2536617a447379", [:mix], [{:ecto_sql, ">= 3.4.3", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.14", [hex: :postgrex, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "cf574813bd048b98a698aa587c21367d2e06842d4e1b1993dcd6a696e9e633bd"}, "open_api_spex": {:git, "https://git.pleroma.social/pleroma/elixir-libraries/open_api_spex.git", "f296ac0924ba3cf79c7a588c4c252889df4c2edd", [ref: "f296ac0924ba3cf79c7a588c4c252889df4c2edd"]}, + "p1_utils": {:hex, :p1_utils, "1.0.18", "3fe224de5b2e190d730a3c5da9d6e8540c96484cf4b4692921d1e28f0c32b01c", [:rebar3], [], "hexpm", "1fc8773a71a15553b179c986b22fbeead19b28fe486c332d4929700ffeb71f88"}, "parse_trans": {:hex, :parse_trans, "3.3.0", "09765507a3c7590a784615cfd421d101aec25098d50b89d7aa1d66646bc571c1", [:rebar3], [], "hexpm", "17ef63abde837ad30680ea7f857dd9e7ced9476cdd7b0394432af4bfc241b960"}, "pbkdf2_elixir": {:hex, :pbkdf2_elixir, "1.2.1", "9cbe354b58121075bd20eb83076900a3832324b7dd171a6895fab57b6bb2752c", [:mix], [{:comeonin, "~> 5.3", [hex: :comeonin, repo: "hexpm", optional: false]}], "hexpm", "d3b40a4a4630f0b442f19eca891fcfeeee4c40871936fed2f68e1c4faa30481f"}, "phoenix": {:hex, :phoenix, "1.4.17", "1b1bd4cff7cfc87c94deaa7d60dd8c22e04368ab95499483c50640ef3bd838d8", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.1", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.8.1 or ~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 1.0 or ~> 2.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "3a8e5d7a3d76d452bb5fb86e8b7bd115f737e4f8efe202a463d4aeb4a5809611"}, @@ -118,5 +120,5 @@ "unicode_util_compat": {:hex, :unicode_util_compat, "0.4.1", "d869e4c68901dd9531385bb0c8c40444ebf624e60b6962d95952775cac5e90cd", [:rebar3], [], "hexpm", "1d1848c40487cdb0b30e8ed975e34e025860c02e419cb615d255849f3427439d"}, "unsafe": {:hex, :unsafe, "1.0.1", "a27e1874f72ee49312e0a9ec2e0b27924214a05e3ddac90e91727bc76f8613d8", [:mix], [], "hexpm", "6c7729a2d214806450d29766abc2afaa7a2cbecf415be64f36a6691afebb50e5"}, "web_push_encryption": {:hex, :web_push_encryption, "0.3.0", "598b5135e696fd1404dc8d0d7c0fa2c027244a4e5d5e5a98ba267f14fdeaabc8", [:mix], [{:httpoison, "~> 1.0", [hex: :httpoison, repo: "hexpm", optional: false]}, {:jose, "~> 1.8", [hex: :jose, repo: "hexpm", optional: false]}], "hexpm", "f10bdd1afe527ede694749fb77a2f22f146a51b054c7fa541c9fd920fba7c875"}, - "websocket_client": {:git, "https://github.com/jeremyong/websocket_client.git", "9a6f65d05ebf2725d62fb19262b21f1805a59fbf", []}, + "websocket_client": {:git, "https://github.com/jeremyong/websocket_client.git", "9a6f65d05ebf2725d62fb19262b21f1805a59fbf", []} } diff --git a/test/fixtures/image.gif b/test/fixtures/image.gif new file mode 100755 index 000000000..9df64778b Binary files /dev/null and b/test/fixtures/image.gif differ diff --git a/test/fixtures/image.png b/test/fixtures/image.png new file mode 100755 index 000000000..e999e8800 Binary files /dev/null and b/test/fixtures/image.png differ diff --git a/test/web/activity_pub/mrf/mediaproxy_warming_policy_test.exs b/test/web/activity_pub/mrf/mediaproxy_warming_policy_test.exs index 313d59a66..1710c4d2a 100644 --- a/test/web/activity_pub/mrf/mediaproxy_warming_policy_test.exs +++ b/test/web/activity_pub/mrf/mediaproxy_warming_policy_test.exs @@ -22,6 +22,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicyTest do } } + setup do: clear_config([:media_proxy, :enabled], true) + test "it prefetches media proxy URIs" do with_mock HTTP, get: fn _, _, _ -> {:ok, []} end do MediaProxyWarmingPolicy.filter(@message) diff --git a/test/web/fed_sockets/fed_registry_test.exs b/test/web/fed_sockets/fed_registry_test.exs new file mode 100644 index 000000000..19ac874d6 --- /dev/null +++ b/test/web/fed_sockets/fed_registry_test.exs @@ -0,0 +1,124 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.FedRegistryTest do + use ExUnit.Case + + alias Pleroma.Web.FedSockets + alias Pleroma.Web.FedSockets.FedRegistry + alias Pleroma.Web.FedSockets.SocketInfo + + @good_domain "http://good.domain" + @good_domain_origin "good.domain:80" + + setup do + start_supervised({Pleroma.Web.FedSockets.Supervisor, []}) + build_test_socket(@good_domain) + Process.sleep(10) + + :ok + end + + describe "add_fed_socket/1 without conflicting sockets" do + test "can be added" do + Process.sleep(10) + assert {:ok, %SocketInfo{origin: origin}} = FedRegistry.get_fed_socket(@good_domain_origin) + assert origin == "good.domain:80" + end + + test "multiple origins can be added" do + build_test_socket("http://anothergood.domain") + Process.sleep(10) + + assert {:ok, %SocketInfo{origin: origin_1}} = + FedRegistry.get_fed_socket(@good_domain_origin) + + assert {:ok, %SocketInfo{origin: origin_2}} = + FedRegistry.get_fed_socket("anothergood.domain:80") + + assert origin_1 == "good.domain:80" + assert origin_2 == "anothergood.domain:80" + assert FedRegistry.list_all() |> Enum.count() == 2 + end + end + + describe "add_fed_socket/1 when duplicate sockets conflict" do + setup do + build_test_socket(@good_domain) + build_test_socket(@good_domain) + Process.sleep(10) + :ok + end + + test "will be ignored" do + assert {:ok, %SocketInfo{origin: origin, pid: pid_one}} = + FedRegistry.get_fed_socket(@good_domain_origin) + + assert origin == "good.domain:80" + + assert FedRegistry.list_all() |> Enum.count() == 1 + end + + test "the newer process will be closed" do + pid_two = build_test_socket(@good_domain) + + assert {:ok, %SocketInfo{origin: origin, pid: pid_one}} = + FedRegistry.get_fed_socket(@good_domain_origin) + + assert origin == "good.domain:80" + Process.sleep(10) + + refute Process.alive?(pid_two) + + assert FedRegistry.list_all() |> Enum.count() == 1 + end + end + + describe "get_fed_socket/1" do + test "returns missing for unknown hosts" do + assert {:error, :missing} = FedRegistry.get_fed_socket("not_a_dmoain") + end + + test "returns rejected for hosts previously rejected" do + "rejected.domain:80" + |> FedSockets.uri_for_origin() + |> FedRegistry.set_host_rejected() + + assert {:error, :rejected} = FedRegistry.get_fed_socket("rejected.domain:80") + end + + test "can retrieve a previously added SocketInfo" do + build_test_socket(@good_domain) + Process.sleep(10) + assert {:ok, %SocketInfo{origin: origin}} = FedRegistry.get_fed_socket(@good_domain_origin) + assert origin == "good.domain:80" + end + + test "removes references to SocketInfos when the process crashes" do + assert {:ok, %SocketInfo{origin: origin, pid: pid}} = + FedRegistry.get_fed_socket(@good_domain_origin) + + assert origin == "good.domain:80" + + Process.exit(pid, :testing) + Process.sleep(100) + assert {:error, :missing} = FedRegistry.get_fed_socket(@good_domain_origin) + end + end + + def build_test_socket(uri) do + Kernel.spawn(fn -> fed_socket_almost(uri) end) + end + + def fed_socket_almost(origin) do + FedRegistry.add_fed_socket(origin) + + receive do + :close -> + :ok + after + 5_000 -> :timeout + end + end +end diff --git a/test/web/fed_sockets/fetch_registry_test.exs b/test/web/fed_sockets/fetch_registry_test.exs new file mode 100644 index 000000000..7bd2d995a --- /dev/null +++ b/test/web/fed_sockets/fetch_registry_test.exs @@ -0,0 +1,67 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.FetchRegistryTest do + use ExUnit.Case + + alias Pleroma.Web.FedSockets.FetchRegistry + alias Pleroma.Web.FedSockets.FetchRegistry.FetchRegistryData + + @json_message "hello" + @json_reply "hello back" + + setup do + start_supervised( + {Pleroma.Web.FedSockets.Supervisor, + [ + ping_interval: 8, + connection_duration: 15, + rejection_duration: 5, + fed_socket_fetches: [default: 10, interval: 10] + ]} + ) + + :ok + end + + test "fetches can be stored" do + uuid = FetchRegistry.register_fetch(@json_message) + + assert {:error, :waiting} = FetchRegistry.check_fetch(uuid) + end + + test "fetches can return" do + uuid = FetchRegistry.register_fetch(@json_message) + task = Task.async(fn -> FetchRegistry.register_fetch_received(uuid, @json_reply) end) + + assert {:error, :waiting} = FetchRegistry.check_fetch(uuid) + Task.await(task) + + assert {:ok, %FetchRegistryData{received_json: received_json}} = + FetchRegistry.check_fetch(uuid) + + assert received_json == @json_reply + end + + test "fetches are deleted once popped from stack" do + uuid = FetchRegistry.register_fetch(@json_message) + task = Task.async(fn -> FetchRegistry.register_fetch_received(uuid, @json_reply) end) + Task.await(task) + + assert {:ok, %FetchRegistryData{received_json: received_json}} = + FetchRegistry.check_fetch(uuid) + + assert received_json == @json_reply + assert {:ok, @json_reply} = FetchRegistry.pop_fetch(uuid) + + assert {:error, :missing} = FetchRegistry.check_fetch(uuid) + end + + test "fetches can time out" do + uuid = FetchRegistry.register_fetch(@json_message) + assert {:error, :waiting} = FetchRegistry.check_fetch(uuid) + Process.sleep(500) + assert {:error, :missing} = FetchRegistry.check_fetch(uuid) + end +end diff --git a/test/web/fed_sockets/socket_info_test.exs b/test/web/fed_sockets/socket_info_test.exs new file mode 100644 index 000000000..db3d6edcd --- /dev/null +++ b/test/web/fed_sockets/socket_info_test.exs @@ -0,0 +1,118 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.FedSockets.SocketInfoTest do + use ExUnit.Case + + alias Pleroma.Web.FedSockets + alias Pleroma.Web.FedSockets.SocketInfo + + describe "uri_for_origin" do + test "provides the fed_socket URL given the origin information" do + endpoint = "example.com:4000" + assert FedSockets.uri_for_origin(endpoint) =~ "ws://" + assert FedSockets.uri_for_origin(endpoint) =~ endpoint + end + end + + describe "origin" do + test "will provide the origin field given a url" do + endpoint = "example.com:4000" + assert SocketInfo.origin("ws://#{endpoint}") == endpoint + assert SocketInfo.origin("http://#{endpoint}") == endpoint + assert SocketInfo.origin("https://#{endpoint}") == endpoint + end + + test "will proide the origin field given a uri" do + endpoint = "example.com:4000" + uri = URI.parse("http://#{endpoint}") + + assert SocketInfo.origin(uri) == endpoint + end + end + + describe "touch" do + test "will update the TTL" do + endpoint = "example.com:4000" + socket = SocketInfo.build("ws://#{endpoint}") + Process.sleep(2) + touched_socket = SocketInfo.touch(socket) + + assert socket.connected_until < touched_socket.connected_until + end + end + + describe "expired?" do + setup do + start_supervised( + {Pleroma.Web.FedSockets.Supervisor, + [ + ping_interval: 8, + connection_duration: 5, + rejection_duration: 5, + fed_socket_rejections: [lazy: true] + ]} + ) + + :ok + end + + test "tests if the TTL is exceeded" do + endpoint = "example.com:4000" + socket = SocketInfo.build("ws://#{endpoint}") + refute SocketInfo.expired?(socket) + Process.sleep(10) + + assert SocketInfo.expired?(socket) + end + end + + describe "creating outgoing connection records" do + test "can be passed a string" do + assert %{conn_pid: :pid, origin: _origin} = SocketInfo.build("example.com:4000", :pid) + end + + test "can be passed a URI" do + uri = URI.parse("http://example.com:4000") + assert %{conn_pid: :pid, origin: origin} = SocketInfo.build(uri, :pid) + assert origin =~ "example.com:4000" + end + + test "will include the port number" do + assert %{conn_pid: :pid, origin: origin} = SocketInfo.build("http://example.com:4000", :pid) + + assert origin =~ ":4000" + end + + test "will provide the port if missing" do + assert %{conn_pid: :pid, origin: "example.com:80"} = + SocketInfo.build("http://example.com", :pid) + + assert %{conn_pid: :pid, origin: "example.com:443"} = + SocketInfo.build("https://example.com", :pid) + end + end + + describe "creating incoming connection records" do + test "can be passed a string" do + assert %{pid: _, origin: _origin} = SocketInfo.build("example.com:4000") + end + + test "can be passed a URI" do + uri = URI.parse("example.com:4000") + assert %{pid: _, origin: _origin} = SocketInfo.build(uri) + end + + test "will include the port number" do + assert %{pid: _, origin: origin} = SocketInfo.build("http://example.com:4000") + + assert origin =~ ":4000" + end + + test "will provide the port if missing" do + assert %{pid: _, origin: "example.com:80"} = SocketInfo.build("http://example.com") + assert %{pid: _, origin: "example.com:443"} = SocketInfo.build("https://example.com") + end + end +end diff --git a/test/web/mastodon_api/views/account_view_test.exs b/test/web/mastodon_api/views/account_view_test.exs index a54b765ef..a5f39b215 100644 --- a/test/web/mastodon_api/views/account_view_test.exs +++ b/test/web/mastodon_api/views/account_view_test.exs @@ -5,6 +5,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountViewTest do use Pleroma.DataCase + alias Pleroma.Config alias Pleroma.User alias Pleroma.UserRelationship alias Pleroma.Web.CommonAPI @@ -540,8 +541,9 @@ defmodule Pleroma.Web.MastodonAPI.AccountViewTest do end end - test "uses mediaproxy urls when it's enabled" do + test "uses mediaproxy urls when it's enabled (regardless of media preview proxy state)" do clear_config([:media_proxy, :enabled], true) + clear_config([:media_preview_proxy, :enabled]) user = insert(:user, @@ -550,20 +552,24 @@ defmodule Pleroma.Web.MastodonAPI.AccountViewTest do emoji: %{"joker_smile" => "https://evil.website/society.png"} ) - AccountView.render("show.json", %{user: user, skip_visibility_check: true}) - |> Enum.all?(fn - {key, url} when key in [:avatar, :avatar_static, :header, :header_static] -> - String.starts_with?(url, Pleroma.Web.base_url()) + with media_preview_enabled <- [false, true] do + Config.put([:media_preview_proxy, :enabled], media_preview_enabled) - {:emojis, emojis} -> - Enum.all?(emojis, fn %{url: url, static_url: static_url} -> - String.starts_with?(url, Pleroma.Web.base_url()) && - String.starts_with?(static_url, Pleroma.Web.base_url()) - end) + AccountView.render("show.json", %{user: user, skip_visibility_check: true}) + |> Enum.all?(fn + {key, url} when key in [:avatar, :avatar_static, :header, :header_static] -> + String.starts_with?(url, Pleroma.Web.base_url()) - _ -> - true - end) - |> assert() + {:emojis, emojis} -> + Enum.all?(emojis, fn %{url: url, static_url: static_url} -> + String.starts_with?(url, Pleroma.Web.base_url()) && + String.starts_with?(static_url, Pleroma.Web.base_url()) + end) + + _ -> + true + end) + |> assert() + end end end diff --git a/test/web/media_proxy/media_proxy_controller_test.exs b/test/web/media_proxy/media_proxy_controller_test.exs index d4db44c63..33e6873f7 100644 --- a/test/web/media_proxy/media_proxy_controller_test.exs +++ b/test/web/media_proxy/media_proxy_controller_test.exs @@ -8,34 +8,34 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyControllerTest do import Mock alias Pleroma.Web.MediaProxy - alias Pleroma.Web.MediaProxy.MediaProxyController alias Plug.Conn setup do on_exit(fn -> Cachex.clear(:banned_urls_cache) end) end - test "it returns 404 when MediaProxy disabled", %{conn: conn} do - clear_config([:media_proxy, :enabled], false) - - assert %Conn{ - status: 404, - resp_body: "Not Found" - } = get(conn, "/proxy/hhgfh/eeeee") - - assert %Conn{ - status: 404, - resp_body: "Not Found" - } = get(conn, "/proxy/hhgfh/eeee/fff") - end - - describe "" do + describe "Media Proxy" do setup do clear_config([:media_proxy, :enabled], true) clear_config([Pleroma.Web.Endpoint, :secret_key_base], "00000000000") + [url: MediaProxy.encode_url("https://google.fn/test.png")] end + test "it returns 404 when disabled", %{conn: conn} do + clear_config([:media_proxy, :enabled], false) + + assert %Conn{ + status: 404, + resp_body: "Not Found" + } = get(conn, "/proxy/hhgfh/eeeee") + + assert %Conn{ + status: 404, + resp_body: "Not Found" + } = get(conn, "/proxy/hhgfh/eeee/fff") + end + test "it returns 403 for invalid signature", %{conn: conn, url: url} do Pleroma.Config.put([Pleroma.Web.Endpoint, :secret_key_base], "000") %{path: path} = URI.parse(url) @@ -56,7 +56,7 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyControllerTest do } = get(conn, "/proxy/hhgfh/eeee/fff") end - test "redirects on valid url when filename is invalidated", %{conn: conn, url: url} do + test "redirects to valid url when filename is invalidated", %{conn: conn, url: url} do invalid_url = String.replace(url, "test.png", "test-file.png") response = get(conn, invalid_url) assert response.status == 302 @@ -80,42 +80,248 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyControllerTest do end end - describe "filename_matches/3" do - test "preserves the encoded or decoded path" do - assert MediaProxyController.filename_matches( - %{"filename" => "/Hello world.jpg"}, - "/Hello world.jpg", - "http://pleroma.social/Hello world.jpg" - ) == :ok + describe "Media Preview Proxy" do + setup do + clear_config([:media_proxy, :enabled], true) + clear_config([:media_preview_proxy, :enabled], true) + clear_config([Pleroma.Web.Endpoint, :secret_key_base], "00000000000") - assert MediaProxyController.filename_matches( - %{"filename" => "/Hello%20world.jpg"}, - "/Hello%20world.jpg", - "http://pleroma.social/Hello%20world.jpg" - ) == :ok + original_url = "https://google.fn/test.png" - assert MediaProxyController.filename_matches( - %{"filename" => "/my%2Flong%2Furl%2F2019%2F07%2FS.jpg"}, - "/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", - "http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg" - ) == :ok - - assert MediaProxyController.filename_matches( - %{"filename" => "/my%2Flong%2Furl%2F2019%2F07%2FS.jp"}, - "/my%2Flong%2Furl%2F2019%2F07%2FS.jp", - "http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg" - ) == {:wrong_filename, "my%2Flong%2Furl%2F2019%2F07%2FS.jpg"} + [ + url: MediaProxy.encode_preview_url(original_url), + media_proxy_url: MediaProxy.encode_url(original_url) + ] end - test "encoded url are tried to match for proxy as `conn.request_path` encodes the url" do - # conn.request_path will return encoded url - request_path = "/ANALYSE-DAI-_-LE-STABLECOIN-100-D%C3%89CENTRALIS%C3%89-BQ.jpg" + test "returns 404 when media proxy is disabled", %{conn: conn} do + clear_config([:media_proxy, :enabled], false) - assert MediaProxyController.filename_matches( - true, - request_path, - "https://mydomain.com/uploads/2019/07/ANALYSE-DAI-_-LE-STABLECOIN-100-DÉCENTRALISÉ-BQ.jpg" - ) == :ok + assert %Conn{ + status: 404, + resp_body: "Not Found" + } = get(conn, "/proxy/preview/hhgfh/eeeee") + + assert %Conn{ + status: 404, + resp_body: "Not Found" + } = get(conn, "/proxy/preview/hhgfh/fff") + end + + test "returns 404 when disabled", %{conn: conn} do + clear_config([:media_preview_proxy, :enabled], false) + + assert %Conn{ + status: 404, + resp_body: "Not Found" + } = get(conn, "/proxy/preview/hhgfh/eeeee") + + assert %Conn{ + status: 404, + resp_body: "Not Found" + } = get(conn, "/proxy/preview/hhgfh/fff") + end + + test "it returns 403 for invalid signature", %{conn: conn, url: url} do + Pleroma.Config.put([Pleroma.Web.Endpoint, :secret_key_base], "000") + %{path: path} = URI.parse(url) + + assert %Conn{ + status: 403, + resp_body: "Forbidden" + } = get(conn, path) + + assert %Conn{ + status: 403, + resp_body: "Forbidden" + } = get(conn, "/proxy/preview/hhgfh/eeee") + + assert %Conn{ + status: 403, + resp_body: "Forbidden" + } = get(conn, "/proxy/preview/hhgfh/eeee/fff") + end + + test "redirects to valid url when filename is invalidated", %{conn: conn, url: url} do + invalid_url = String.replace(url, "test.png", "test-file.png") + response = get(conn, invalid_url) + assert response.status == 302 + assert redirected_to(response) == url + end + + test "responds with 424 Failed Dependency if HEAD request to media proxy fails", %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 500, body: ""} + end) + + response = get(conn, url) + assert response.status == 424 + assert response.resp_body == "Can't fetch HTTP headers (HTTP 500)." + end + + test "redirects to media proxy URI on unsupported content type", %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "", headers: [{"content-type", "application/pdf"}]} + end) + + response = get(conn, url) + assert response.status == 302 + assert redirected_to(response) == media_proxy_url + end + + test "with `static=true` and GIF image preview requested, responds with JPEG image", %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + # Setting a high :min_content_length to ensure this scenario is not affected by its logic + clear_config([:media_preview_proxy, :min_content_length], 1_000_000_000) + + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{ + status: 200, + body: "", + headers: [{"content-type", "image/gif"}, {"content-length", "1001718"}] + } + + %{method: :get, url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: File.read!("test/fixtures/image.gif")} + end) + + response = get(conn, url <> "?static=true") + + assert response.status == 200 + assert Conn.get_resp_header(response, "content-type") == ["image/jpeg"] + assert response.resp_body != "" + end + + test "with GIF image preview requested and no `static` param, redirects to media proxy URI", + %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "", headers: [{"content-type", "image/gif"}]} + end) + + response = get(conn, url) + + assert response.status == 302 + assert redirected_to(response) == media_proxy_url + end + + test "with `static` param and non-GIF image preview requested, " <> + "redirects to media preview proxy URI without `static` param", + %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "", headers: [{"content-type", "image/jpeg"}]} + end) + + response = get(conn, url <> "?static=true") + + assert response.status == 302 + assert redirected_to(response) == url + end + + test "with :min_content_length setting not matched by Content-Length header, " <> + "redirects to media proxy URI", + %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + clear_config([:media_preview_proxy, :min_content_length], 100_000) + + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{ + status: 200, + body: "", + headers: [{"content-type", "image/gif"}, {"content-length", "5000"}] + } + end) + + response = get(conn, url) + + assert response.status == 302 + assert redirected_to(response) == media_proxy_url + end + + test "thumbnails PNG images into PNG", %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "", headers: [{"content-type", "image/png"}]} + + %{method: :get, url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: File.read!("test/fixtures/image.png")} + end) + + response = get(conn, url) + + assert response.status == 200 + assert Conn.get_resp_header(response, "content-type") == ["image/png"] + assert response.resp_body != "" + end + + test "thumbnails JPEG images into JPEG", %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "", headers: [{"content-type", "image/jpeg"}]} + + %{method: :get, url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: File.read!("test/fixtures/image.jpg")} + end) + + response = get(conn, url) + + assert response.status == 200 + assert Conn.get_resp_header(response, "content-type") == ["image/jpeg"] + assert response.resp_body != "" + end + + test "redirects to media proxy URI in case of thumbnailing error", %{ + conn: conn, + url: url, + media_proxy_url: media_proxy_url + } do + Tesla.Mock.mock(fn + %{method: "head", url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "", headers: [{"content-type", "image/jpeg"}]} + + %{method: :get, url: ^media_proxy_url} -> + %Tesla.Env{status: 200, body: "error"} + end) + + response = get(conn, url) + + assert response.status == 302 + assert redirected_to(response) == media_proxy_url end end end diff --git a/test/web/media_proxy/media_proxy_test.exs b/test/web/media_proxy/media_proxy_test.exs index 72885cfdd..0e6df826c 100644 --- a/test/web/media_proxy/media_proxy_test.exs +++ b/test/web/media_proxy/media_proxy_test.exs @@ -6,9 +6,16 @@ defmodule Pleroma.Web.MediaProxyTest do use ExUnit.Case use Pleroma.Tests.Helpers + alias Pleroma.Config alias Pleroma.Web.Endpoint alias Pleroma.Web.MediaProxy + defp decode_result(encoded) do + [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/") + {:ok, decoded} = MediaProxy.decode_url(sig, base64) + decoded + end + describe "when enabled" do setup do: clear_config([:media_proxy, :enabled], true) @@ -35,7 +42,7 @@ defmodule Pleroma.Web.MediaProxyTest do assert String.starts_with?( encoded, - Pleroma.Config.get([:media_proxy, :base_url], Pleroma.Web.base_url()) + Config.get([:media_proxy, :base_url], Pleroma.Web.base_url()) ) assert String.ends_with?(encoded, "/logo.png") @@ -75,6 +82,64 @@ defmodule Pleroma.Web.MediaProxyTest do assert MediaProxy.decode_url(sig, base64) == {:error, :invalid_signature} end + def test_verify_request_path_and_url(request_path, url, expected_result) do + assert MediaProxy.verify_request_path_and_url(request_path, url) == expected_result + + assert MediaProxy.verify_request_path_and_url( + %Plug.Conn{ + params: %{"filename" => Path.basename(request_path)}, + request_path: request_path + }, + url + ) == expected_result + end + + test "if first arg of `verify_request_path_and_url/2` is a Plug.Conn without \"filename\" " <> + "parameter, `verify_request_path_and_url/2` returns :ok " do + assert MediaProxy.verify_request_path_and_url( + %Plug.Conn{params: %{}, request_path: "/some/path"}, + "https://instance.com/file.jpg" + ) == :ok + + assert MediaProxy.verify_request_path_and_url( + %Plug.Conn{params: %{}, request_path: "/path/to/file.jpg"}, + "https://instance.com/file.jpg" + ) == :ok + end + + test "`verify_request_path_and_url/2` preserves the encoded or decoded path" do + test_verify_request_path_and_url( + "/Hello world.jpg", + "http://pleroma.social/Hello world.jpg", + :ok + ) + + test_verify_request_path_and_url( + "/Hello%20world.jpg", + "http://pleroma.social/Hello%20world.jpg", + :ok + ) + + test_verify_request_path_and_url( + "/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", + "http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", + :ok + ) + + test_verify_request_path_and_url( + # Note: `conn.request_path` returns encoded url + "/ANALYSE-DAI-_-LE-STABLECOIN-100-D%C3%89CENTRALIS%C3%89-BQ.jpg", + "https://mydomain.com/uploads/2019/07/ANALYSE-DAI-_-LE-STABLECOIN-100-DÉCENTRALISÉ-BQ.jpg", + :ok + ) + + test_verify_request_path_and_url( + "/my%2Flong%2Furl%2F2019%2F07%2FS", + "http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", + {:wrong_filename, "my%2Flong%2Furl%2F2019%2F07%2FS.jpg"} + ) + end + test "uses the configured base_url" do base_url = "https://cache.pleroma.social" clear_config([:media_proxy, :base_url], base_url) @@ -124,12 +189,6 @@ defmodule Pleroma.Web.MediaProxyTest do end end - defp decode_result(encoded) do - [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/") - {:ok, decoded} = MediaProxy.decode_url(sig, base64) - decoded - end - describe "whitelist" do setup do: clear_config([:media_proxy, :enabled], true) diff --git a/test/web/push/impl_test.exs b/test/web/push/impl_test.exs index aeb5c1fbd..c7c17e156 100644 --- a/test/web/push/impl_test.exs +++ b/test/web/push/impl_test.exs @@ -12,7 +12,9 @@ defmodule Pleroma.Web.Push.ImplTest do alias Pleroma.Web.CommonAPI alias Pleroma.Web.Push.Impl alias Pleroma.Web.Push.Subscription + alias Pleroma.Web.WebPushHttpClientMock + import Mock import Pleroma.Factory setup do @@ -78,6 +80,22 @@ defmodule Pleroma.Web.Push.ImplTest do assert Impl.push_message(@message, @sub, @api_key, %Subscription{}) == :ok end + test_with_mock "uses WebPushHttpClientMock as an HTTP client", WebPushHttpClientMock, + post: fn _, _, _ -> {:ok, %{status_code: 200}} end do + Impl.push_message(@message, @sub, @api_key, %Subscription{}) + assert_called(WebPushHttpClientMock.post("https://example.com/example/1234", :_, :_)) + end + + test_with_mock "uses Pleroma.HTTP as an HTTP client", Pleroma.HTTP, + post: fn _, _, _ -> {:ok, %{status_code: 200}} end do + client = Application.get_env(:web_push_encryption, :http_client) + on_exit(fn -> Application.put_env(:web_push_encryption, :http_client, client) end) + Application.put_env(:web_push_encryption, :http_client, Pleroma.HTTP) + + Impl.push_message(@message, @sub, @api_key, %Subscription{}) + assert_called(Pleroma.HTTP.post("https://example.com/example/1234", :_, :_)) + end + @tag capture_log: true test "fail message sending" do assert Impl.push_message(