diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub')
-rw-r--r-- | lib/pleroma/web/activity_pub/activity_pub.ex | 135 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/mrf/simple_policy.ex | 7 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/mrf/tag_policy.ex | 2 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/publisher.ex | 152 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/transmogrifier.ex | 1 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/utils.ex | 80 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/visibility.ex | 53 |
7 files changed, 301 insertions, 129 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 8f8c23a9b..5c3156978 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -5,7 +5,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.Activity alias Pleroma.Conversation - alias Pleroma.Instances alias Pleroma.Notification alias Pleroma.Object alias Pleroma.Object.Fetcher @@ -15,7 +14,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.User alias Pleroma.Web.ActivityPub.MRF alias Pleroma.Web.ActivityPub.Transmogrifier - alias Pleroma.Web.Federator alias Pleroma.Web.WebFinger import Ecto.Query @@ -24,8 +22,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do require Logger - @httpoison Application.get_env(:pleroma, :httpoison) - # For Announce activities, we filter the recipients based on following status for any actors # that match actual users. See issue #164 for more information about why this is necessary. defp get_recipients(%{"type" => "Announce"} = data) do @@ -137,9 +133,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do activity end - Task.start(fn -> - Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity) - end) + PleromaJobQueue.enqueue(:background, Pleroma.Web.RichMedia.Helpers, [:fetch, activity]) Notification.create_notifications(activity) @@ -546,8 +540,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do ) ) - Ecto.Adapters.SQL.to_sql(:all, Repo, query) - query else Logger.error("Could not restrict visibility to #{visibility}") @@ -563,8 +555,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility) ) - Ecto.Adapters.SQL.to_sql(:all, Repo, query) - query end @@ -575,6 +565,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_visibility(query, _visibility), do: query + defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}) do + query = + from( + a in query, + where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data) + ) + + query + end + + defp restrict_thread_visibility(query, _), do: query + def fetch_user_activities(user, reading_user, params \\ %{}) do params = params @@ -701,6 +703,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do defp restrict_type(query, _), do: query + defp restrict_state(query, %{"state" => state}) do + from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state)) + end + + defp restrict_state(query, _), do: query + defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do from( activity in query, @@ -756,8 +764,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do blocks = info.blocks || [] domain_blocks = info.domain_blocks || [] + query = + if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query) + from( - activity in query, + [activity, object: o] in query, where: fragment("not (? = ANY(?))", activity.actor, ^blocks), where: fragment("not (? && ?)", activity.recipients, ^blocks), where: @@ -767,7 +778,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do activity.data, ^blocks ), - where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks) + where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks), + where: fragment("not (split_part(?->>'actor', '/', 3) = ANY(?))", o.data, ^domain_blocks) ) end @@ -849,15 +861,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do |> restrict_local(opts) |> restrict_actor(opts) |> restrict_type(opts) + |> restrict_state(opts) |> restrict_favorited_by(opts) |> restrict_blocked(opts) |> restrict_muted(opts) |> restrict_media(opts) |> restrict_visibility(opts) + |> restrict_thread_visibility(opts) |> restrict_replies(opts) |> restrict_reblogs(opts) |> restrict_pinned(opts) |> restrict_muted_reblogs(opts) + |> Activity.restrict_deactivated_users() end def fetch_activities(recipients, opts \\ %{}) do @@ -961,89 +976,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do end end - def should_federate?(inbox, public) do - if public do - true - else - inbox_info = URI.parse(inbox) - !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host) - end - end - - def publish(actor, activity) do - remote_followers = - if actor.follower_address in activity.recipients do - {:ok, followers} = User.get_followers(actor) - followers |> Enum.filter(&(!&1.local)) - else - [] - end - - public = is_public?(activity) - - {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) - json = Jason.encode!(data) - - (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers) - |> Enum.filter(fn user -> User.ap_enabled?(user) end) - |> Enum.map(fn %{info: %{source_data: data}} -> - (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] - end) - |> Enum.uniq() - |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) - |> Instances.filter_reachable() - |> Enum.each(fn {inbox, unreachable_since} -> - Federator.publish_single_ap(%{ - inbox: inbox, - json: json, - actor: actor, - id: activity.data["id"], - unreachable_since: unreachable_since - }) - end) - end - - def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do - Logger.info("Federating #{id} to #{inbox}") - host = URI.parse(inbox).host - - digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) - - date = - NaiveDateTime.utc_now() - |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT") - - signature = - Pleroma.Web.HTTPSignatures.sign(actor, %{ - host: host, - "content-length": byte_size(json), - digest: digest, - date: date - }) - - with {:ok, %{status: code}} when code in 200..299 <- - result = - @httpoison.post( - inbox, - json, - [ - {"Content-Type", "application/activity+json"}, - {"Date", date}, - {"signature", signature}, - {"digest", digest} - ] - ) do - if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since], - do: Instances.set_reachable(inbox) - - result - else - {_post_result, response} -> - unless params[:unreachable_since], do: Instances.set_unreachable(inbox) - {:error, response} - end - end - # filter out broken threads def contain_broken_threads(%Activity{} = activity, %User{} = user) do entire_thread_visible_for_user?(activity, user) @@ -1054,11 +986,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do contain_broken_threads(activity, user) end - # do post-processing on a timeline - def contain_timeline(timeline, user) do - timeline - |> Enum.filter(fn activity -> - contain_activity(activity, user) - end) + def fetch_direct_messages_query do + Activity + |> restrict_type(%{"type" => "Create"}) + |> restrict_visibility(%{visibility: "direct"}) + |> order_by([activity], asc: activity.id) end end diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex index 2f105700b..9627c3400 100644 --- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex @@ -48,14 +48,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do %{host: actor_host} = _actor_info, %{ "type" => "Create", - "object" => %{"attachment" => child_attachment} = child_object + "object" => child_object } = object - ) - when length(child_attachment) > 0 do + ) do object = if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_nsfw]), actor_host) do tags = (child_object["tag"] || []) ++ ["nsfw"] - child_object = Map.put(child_object, "tags", tags) + child_object = Map.put(child_object, "tag", tags) child_object = Map.put(child_object, "sensitive", true) Map.put(object, "object", child_object) else diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex index b52be30e7..6683b8d8e 100644 --- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex @@ -31,7 +31,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do object = object - |> Map.put("tags", tags) + |> Map.put("tag", tags) |> Map.put("sensitive", true) message = Map.put(message, "object", object) diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex new file mode 100644 index 000000000..11dba87de --- /dev/null +++ b/lib/pleroma/web/activity_pub/publisher.ex @@ -0,0 +1,152 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.Publisher do + alias Pleroma.Activity + alias Pleroma.Config + alias Pleroma.Instances + alias Pleroma.User + alias Pleroma.Web.ActivityPub.Relay + alias Pleroma.Web.ActivityPub.Transmogrifier + + import Pleroma.Web.ActivityPub.Visibility + + @behaviour Pleroma.Web.Federator.Publisher + + require Logger + + @httpoison Application.get_env(:pleroma, :httpoison) + + @moduledoc """ + ActivityPub outgoing federation module. + """ + + @doc """ + Determine if an activity can be represented by running it through Transmogrifier. + """ + def is_representable?(%Activity{} = activity) do + with {:ok, _data} <- Transmogrifier.prepare_outgoing(activity.data) do + true + else + _e -> + false + end + end + + @doc """ + Publish a single message to a peer. Takes a struct with the following + parameters set: + + * `inbox`: the inbox to publish to + * `json`: the JSON message body representing the ActivityPub message + * `actor`: the actor which is signing the message + * `id`: the ActivityStreams URI of the message + """ + def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do + Logger.info("Federating #{id} to #{inbox}") + host = URI.parse(inbox).host + + digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64()) + + date = + NaiveDateTime.utc_now() + |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT") + + signature = + Pleroma.Signature.sign(actor, %{ + host: host, + "content-length": byte_size(json), + digest: digest, + date: date + }) + + with {:ok, %{status: code}} when code in 200..299 <- + result = + @httpoison.post( + inbox, + json, + [ + {"Content-Type", "application/activity+json"}, + {"Date", date}, + {"signature", signature}, + {"digest", digest} + ] + ) do + if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since], + do: Instances.set_reachable(inbox) + + result + else + {_post_result, response} -> + unless params[:unreachable_since], do: Instances.set_unreachable(inbox) + {:error, response} + end + end + + defp should_federate?(inbox, public) do + if public do + true + else + inbox_info = URI.parse(inbox) + !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host) + end + end + + @doc """ + Publishes an activity to all relevant peers. + """ + def publish(%User{} = actor, %Activity{} = activity) do + remote_followers = + if actor.follower_address in activity.recipients do + {:ok, followers} = User.get_followers(actor) + followers |> Enum.filter(&(!&1.local)) + else + [] + end + + public = is_public?(activity) + + if public && Config.get([:instance, :allow_relay]) do + Logger.info(fn -> "Relaying #{activity.data["id"]} out" end) + Relay.publish(activity) + end + + {:ok, data} = Transmogrifier.prepare_outgoing(activity.data) + json = Jason.encode!(data) + + (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers) + |> Enum.filter(fn user -> User.ap_enabled?(user) end) + |> Enum.map(fn %{info: %{source_data: data}} -> + (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"] + end) + |> Enum.uniq() + |> Enum.filter(fn inbox -> should_federate?(inbox, public) end) + |> Instances.filter_reachable() + |> Enum.each(fn {inbox, unreachable_since} -> + Pleroma.Web.Federator.Publisher.enqueue_one( + __MODULE__, + %{ + inbox: inbox, + json: json, + actor: actor, + id: activity.data["id"], + unreachable_since: unreachable_since + } + ) + end) + end + + def gather_webfinger_links(%User{} = user) do + [ + %{"rel" => "self", "type" => "application/activity+json", "href" => user.ap_id}, + %{ + "rel" => "self", + "type" => "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", + "href" => user.ap_id + } + ] + end + + def gather_nodeinfo_protocol_names, do: ["activitypub"] +end diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex index c2596cfec..8b2427258 100644 --- a/lib/pleroma/web/activity_pub/transmogrifier.ex +++ b/lib/pleroma/web/activity_pub/transmogrifier.ex @@ -11,7 +11,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do alias Pleroma.Object.Containment alias Pleroma.Repo alias Pleroma.User - alias Pleroma.User alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.ActivityPub.Visibility diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index de91fa03f..63454e3f7 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -20,6 +20,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do require Logger @supported_object_types ["Article", "Note", "Video", "Page", "Question"] + @supported_report_states ~w(open closed resolved) + @valid_visibilities ~w(public unlisted private direct) # Some implementations send the actor URI as the actor field, others send the entire actor object, # so figure out what the actor's URI is based on what we have. @@ -670,7 +672,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do "actor" => params.actor.ap_id, "content" => params.content, "object" => object, - "context" => params.context + "context" => params.context, + "state" => "open" } |> Map.merge(additional) end @@ -682,7 +685,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do """ def fetch_ordered_collection(from, pages_left, acc \\ []) do with {:ok, response} <- Tesla.get(from), - {:ok, collection} <- Poison.decode(response.body) do + {:ok, collection} <- Jason.decode(response.body) do case collection["type"] do "OrderedCollection" -> # If we've encountered the OrderedCollection and not the page, @@ -713,4 +716,77 @@ defmodule Pleroma.Web.ActivityPub.Utils do end end end + + #### Report-related helpers + + def update_report_state(%Activity{} = activity, state) when state in @supported_report_states do + with new_data <- Map.put(activity.data, "state", state), + changeset <- Changeset.change(activity, data: new_data), + {:ok, activity} <- Repo.update(changeset) do + {:ok, activity} + end + end + + def update_report_state(_, _), do: {:error, "Unsupported state"} + + def update_activity_visibility(activity, visibility) when visibility in @valid_visibilities do + [to, cc, recipients] = + activity + |> get_updated_targets(visibility) + |> Enum.map(&Enum.uniq/1) + + object_data = + activity.object.data + |> Map.put("to", to) + |> Map.put("cc", cc) + + {:ok, object} = + activity.object + |> Object.change(%{data: object_data}) + |> Object.update_and_set_cache() + + activity_data = + activity.data + |> Map.put("to", to) + |> Map.put("cc", cc) + + activity + |> Map.put(:object, object) + |> Activity.change(%{data: activity_data, recipients: recipients}) + |> Repo.update() + end + + def update_activity_visibility(_, _), do: {:error, "Unsupported visibility"} + + defp get_updated_targets( + %Activity{data: %{"to" => to} = data, recipients: recipients}, + visibility + ) do + cc = Map.get(data, "cc", []) + follower_address = User.get_cached_by_ap_id(data["actor"]).follower_address + public = "https://www.w3.org/ns/activitystreams#Public" + + case visibility do + "public" -> + to = [public | List.delete(to, follower_address)] + cc = [follower_address | List.delete(cc, public)] + recipients = [public | recipients] + [to, cc, recipients] + + "private" -> + to = [follower_address | List.delete(to, public)] + cc = List.delete(cc, public) + recipients = List.delete(recipients, public) + [to, cc, recipients] + + "unlisted" -> + to = [follower_address | List.delete(to, public)] + cc = [public | List.delete(cc, follower_address)] + recipients = recipients ++ [follower_address, public] + [to, cc, recipients] + + _ -> + [to, cc, recipients] + end + end end diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex index 6dee61dd6..93b50ee47 100644 --- a/lib/pleroma/web/activity_pub/visibility.ex +++ b/lib/pleroma/web/activity_pub/visibility.ex @@ -1,6 +1,7 @@ defmodule Pleroma.Web.ActivityPub.Visibility do alias Pleroma.Activity alias Pleroma.Object + alias Pleroma.Repo alias Pleroma.User def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false @@ -13,11 +14,12 @@ defmodule Pleroma.Web.ActivityPub.Visibility do end def is_private?(activity) do - unless is_public?(activity) do - follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address - Enum.any?(activity.data["to"], &(&1 == follower_address)) + with false <- is_public?(activity), + %User{follower_address: follower_address} <- + User.get_cached_by_ap_id(activity.data["actor"]) do + follower_address in activity.data["to"] else - false + _ -> false end end @@ -38,24 +40,37 @@ defmodule Pleroma.Web.ActivityPub.Visibility do visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y)) end - # guard - def entire_thread_visible_for_user?(nil, _user), do: false + def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do + {:ok, %{rows: [[result]]}} = + Ecto.Adapters.SQL.query(Repo, "SELECT thread_visibility($1, $2)", [ + user.ap_id, + activity.data["id"] + ]) - # XXX: Probably even more inefficient than the previous implementation intended to be a placeholder untill https://git.pleroma.social/pleroma/pleroma/merge_requests/971 is in develop - # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength + result + end + + def get_visibility(object) do + public = "https://www.w3.org/ns/activitystreams#Public" + to = object.data["to"] || [] + cc = object.data["cc"] || [] + + cond do + public in to -> + "public" + + public in cc -> + "unlisted" + + # this should use the sql for the object's activity + Enum.any?(to, &String.contains?(&1, "/followers")) -> + "private" - def entire_thread_visible_for_user?( - %Activity{} = tail, - # %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail, - user - ) do - case Object.normalize(tail) do - %{data: %{"inReplyTo" => parent_id}} when is_binary(parent_id) -> - parent = Activity.get_in_reply_to_activity(tail) - visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user) + length(cc) > 0 -> + "private" - _ -> - visible_for_user?(tail, user) + true -> + "direct" end end end |