}, []}
end
+ def create(actor, object, recipients) do
+ {:ok,
+ %{
+ "id" => Utils.generate_activity_id(),
+ "actor" => actor.ap_id,
+ "to" => recipients,
+ "object" => object,
+ "type" => "Create",
+ "published" => DateTime.utc_now() |> DateTime.to_iso8601()
+ }, []}
+ end
+
+ def chat_message(actor, recipient, content, opts \\ []) do
+ basic = %{
+ "id" => Utils.generate_object_id(),
+ "actor" => actor.ap_id,
+ "type" => "ChatMessage",
+ "to" => [recipient],
+ "content" => content,
+ "published" => DateTime.utc_now() |> DateTime.to_iso8601(),
+ "emoji" => Emoji.Formatter.get_emoji_map(content)
+ }
+
+ case opts[:attachment] do
+ %Object{data: attachment_data} ->
+ {
+ :ok,
+ Map.put(basic, "attachment", attachment_data),
+ []
+ }
+
+ _ ->
+ {:ok, basic, []}
+ end
+ end
+
@spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
def like(actor, object) do
+ with {:ok, data, meta} <- object_action(actor, object) do
+ data =
+ data
+ |> Map.put("type", "Like")
+
+ {:ok, data, meta}
+ end
+ end
+
+ @spec object_action(User.t(), Object.t()) :: {:ok, map(), keyword()}
+ defp object_action(actor, object) do
object_actor = User.get_cached_by_ap_id(object.data["actor"])
# Address the actor of the object, and our actor's follower collection if the post is public.
alias Pleroma.Object
alias Pleroma.User
+ alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
+ alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator
+ alias Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator
alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
alias Pleroma.Web.ActivityPub.ObjectValidators.Types
+ alias Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator
@spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()}
def validate(object, meta)
end
end
+ def validate(%{"type" => "EmojiReact"} = object, meta) do
+ with {:ok, object} <-
+ object
+ |> EmojiReactValidator.cast_and_validate()
+ |> Ecto.Changeset.apply_action(:insert) do
+ object = stringify_keys(object |> Map.from_struct())
+ {:ok, object, meta}
+ end
+ end
+
+ def validate(%{"type" => "Create", "object" => object} = create_activity, meta) do
+ with {:ok, object_data} <- cast_and_apply(object),
+ meta = Keyword.put(meta, :object_data, object_data |> stringify_keys),
+ {:ok, create_activity} <-
+ create_activity
+ |> CreateChatMessageValidator.cast_and_validate(meta)
+ |> Ecto.Changeset.apply_action(:insert) do
+ create_activity = stringify_keys(create_activity)
+ {:ok, create_activity, meta}
+ end
+ end
+
+ def cast_and_apply(%{"type" => "ChatMessage"} = object) do
+ ChatMessageValidator.cast_and_apply(object)
+ end
+
+ def cast_and_apply(o), do: {:error, {:validator_not_set, o}}
+
def stringify_keys(%{__struct__: _} = object) do
object
|> Map.from_struct()
liked object, a `Follow` activity will add the user to the follower
collection, and so on.
"""
+ alias Pleroma.Chat
+ alias Pleroma.Activity
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Repo
{:ok, object, meta}
end
+ # Tasks this handles
+ # - Actually create object
+ # - Rollback if we couldn't create it
+ # - Set up notifications
+ def handle(%{data: %{"type" => "Create"}} = activity, meta) do
+ with {:ok, _object, _meta} <- handle_object_creation(meta[:object_data], meta) do
+ Notification.create_notifications(activity)
+ {:ok, activity, meta}
+ else
+ e -> Repo.rollback(e)
+ end
+ end
+
+ def handle(%{data: %{"type" => "Undo", "object" => undone_object}} = object, meta) do
+ with undone_object <- Activity.get_by_ap_id(undone_object),
+ :ok <- handle_undoing(undone_object) do
+ {:ok, object, meta}
+ end
+ end
+
+ # Tasks this handles:
+ # - Add reaction to object
+ # - Set up notification
+ def handle(%{data: %{"type" => "EmojiReact"}} = object, meta) do
+ reacted_object = Object.get_by_ap_id(object.data["object"])
+ Utils.add_emoji_reaction_to_object(object, reacted_object)
+
+ Notification.create_notifications(object)
+
+ {:ok, object, meta}
+ end
+
# Tasks this handles:
# - Delete and unpins the create activity
# - Replace object with Tombstone
{:ok, object, meta}
end
+ def handle_object_creation(%{"type" => "ChatMessage"} = object, meta) do
+ with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
+ actor = User.get_cached_by_ap_id(object.data["actor"])
+ recipient = User.get_cached_by_ap_id(hd(object.data["to"]))
+
+ [[actor, recipient], [recipient, actor]]
+ |> Enum.each(fn [user, other_user] ->
+ if user.local do
+ Chat.bump_or_create(user.id, other_user.ap_id)
+ end
+ end)
+
+ {:ok, object, meta}
+ end
+ end
+
+ # Nothing to do
+ def handle_object_creation(object) do
+ {:ok, object}
+ end
++
+ def handle_undoing(%{data: %{"type" => "Like"}} = object) do
+ with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
+ {:ok, _} <- Utils.remove_like_from_object(object, liked_object),
+ {:ok, _} <- Repo.delete(object) do
+ :ok
+ end
+ end
+
+ def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do
+ with %Object{} = reacted_object <- Object.get_by_ap_id(object.data["object"]),
+ {:ok, _} <- Utils.remove_emoji_reaction_from_object(object, reacted_object),
+ {:ok, _} <- Repo.delete(object) do
+ :ok
+ end
+ end
+
+ def handle_undoing(%{data: %{"type" => "Announce"}} = object) do
+ with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
+ {:ok, _} <- Utils.remove_announce_from_object(object, liked_object),
+ {:ok, _} <- Repo.delete(object) do
+ :ok
+ end
+ end
+
+ def handle_undoing(
+ %{data: %{"type" => "Block", "actor" => blocker, "object" => blocked}} = object
+ ) do
+ with %User{} = blocker <- User.get_cached_by_ap_id(blocker),
+ %User{} = blocked <- User.get_cached_by_ap_id(blocked),
+ {:ok, _} <- User.unblock(blocker, blocked),
+ {:ok, _} <- Repo.delete(object) do
+ :ok
+ end
+ end
+
+ def handle_undoing(object), do: {:error, ["don't know how to handle", object]}
end
|> handle_incoming(options)
end
- def handle_incoming(%{"type" => "Like"} = data, _options) do
+ def handle_incoming(
+ %{"type" => "Create", "object" => %{"type" => "ChatMessage"}} = data,
+ _options
+ ) do
+ with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
+ {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
+ {:ok, activity}
+ end
+ end
+
+ def handle_incoming(%{"type" => type} = data, _options) when type in ["Like", "EmojiReact"] do
with :ok <- ObjectValidator.fetch_actor_and_object(data),
{:ok, activity, _meta} <-
Pipeline.common_pipeline(data, local: false) do
require Pleroma.Constants
require Logger
+ def post_chat_message(%User{} = user, %User{} = recipient, content, opts \\ []) do
+ with :ok <- validate_chat_content_length(content),
+ maybe_attachment <- opts[:media_id] && Object.get_by_id(opts[:media_id]),
+ {_, {:ok, chat_message_data, _meta}} <-
+ {:build_object,
+ Builder.chat_message(
+ user,
+ recipient.ap_id,
+ content |> Formatter.html_escape("text/plain"),
+ attachment: maybe_attachment
+ )},
+ {_, {:ok, create_activity_data, _meta}} <-
+ {:build_create_activity, Builder.create(user, chat_message_data, [recipient.ap_id])},
+ {_, {:ok, %Activity{} = activity, _meta}} <-
+ {:common_pipeline,
+ Pipeline.common_pipeline(create_activity_data,
+ local: true
+ )} do
+ {:ok, activity}
+ end
+ end
+
+ defp validate_chat_content_length(content) do
+ if String.length(content) <= Pleroma.Config.get([:instance, :chat_limit]) do
+ :ok
+ else
+ {:error, :content_too_long}
+ end
+ end
+
+ def unblock(blocker, blocked) do
+ with %Activity{} = block <- Utils.fetch_latest_block(blocker, blocked),
+ {:ok, unblock_data, _} <- Builder.undo(blocker, block),
+ {:ok, unblock, _} <- Pipeline.common_pipeline(unblock_data, local: true) do
+ {:ok, unblock}
+ end
+ end
+
def follow(follower, followed) do
timeout = Pleroma.Config.get([:activitypub, :follow_handshake_timeout])
import Pleroma.Factory
+ describe "attachments" do
+ test "it turns mastodon attachments into our attachments" do
+ attachment = %{
+ "url" =>
+ "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
+ "type" => "Document",
+ "name" => nil,
+ "mediaType" => "image/jpeg"
+ }
+
+ {:ok, attachment} =
+ AttachmentValidator.cast_and_validate(attachment)
+ |> Ecto.Changeset.apply_action(:insert)
+
+ assert [
+ %{
+ href:
+ "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
+ type: "Link",
+ mediaType: "image/jpeg"
+ }
+ ] = attachment.url
+ end
+ end
+
+ describe "chat message create activities" do
+ test "it is invalid if the object already exists" do
+ user = insert(:user)
+ recipient = insert(:user)
+ {:ok, activity} = CommonAPI.post_chat_message(user, recipient, "hey")
+ object = Object.normalize(activity, false)
+
+ {:ok, create_data, _} = Builder.create(user, object.data, [recipient.ap_id])
+
+ {:error, cng} = ObjectValidator.validate(create_data, [])
+
+ assert {:object, {"The object to create already exists", []}} in cng.errors
+ end
+
+ test "it is invalid if the object data has a different `to` or `actor` field" do
+ user = insert(:user)
+ recipient = insert(:user)
+ {:ok, object_data, _} = Builder.chat_message(recipient, user.ap_id, "Hey")
+
+ {:ok, create_data, _} = Builder.create(user, object_data, [recipient.ap_id])
+
+ {:error, cng} = ObjectValidator.validate(create_data, [])
+
+ assert {:to, {"Recipients don't match with object recipients", []}} in cng.errors
+ assert {:actor, {"Actor doesn't match with object actor", []}} in cng.errors
+ end
+ end
+
+ describe "chat messages" do
+ setup do
+ clear_config([:instance, :remote_limit])
+ user = insert(:user)
+ recipient = insert(:user, local: false)
+
+ {:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey :firefox:")
+
+ %{user: user, recipient: recipient, valid_chat_message: valid_chat_message}
+ end
+
+ test "validates for a basic object we build", %{valid_chat_message: valid_chat_message} do
+ assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+ assert Map.put(valid_chat_message, "attachment", nil) == object
+ end
+
+ test "validates for a basic object with an attachment", %{
+ valid_chat_message: valid_chat_message,
+ user: user
+ } do
+ file = %Plug.Upload{
+ content_type: "image/jpg",
+ path: Path.absname("test/fixtures/image.jpg"),
+ filename: "an_image.jpg"
+ }
+
+ {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
+
+ valid_chat_message =
+ valid_chat_message
+ |> Map.put("attachment", attachment.data)
+
+ assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+ assert object["attachment"]
+ end
+
+ test "does not validate if the message is longer than the remote_limit", %{
+ valid_chat_message: valid_chat_message
+ } do
+ Pleroma.Config.put([:instance, :remote_limit], 2)
+ refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
+ end
+
+ test "does not validate if the recipient is blocking the actor", %{
+ valid_chat_message: valid_chat_message,
+ user: user,
+ recipient: recipient
+ } do
+ Pleroma.User.block(recipient, user)
+ refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
+ end
+
+ test "does not validate if the actor or the recipient is not in our system", %{
+ valid_chat_message: valid_chat_message
+ } do
+ chat_message =
+ valid_chat_message
+ |> Map.put("actor", "https://raymoo.com/raymoo")
+
+ {:error, _} = ObjectValidator.validate(chat_message, [])
+
+ chat_message =
+ valid_chat_message
+ |> Map.put("to", ["https://raymoo.com/raymoo"])
+
+ {:error, _} = ObjectValidator.validate(chat_message, [])
+ end
+
+ test "does not validate for a message with multiple recipients", %{
+ valid_chat_message: valid_chat_message,
+ user: user,
+ recipient: recipient
+ } do
+ chat_message =
+ valid_chat_message
+ |> Map.put("to", [user.ap_id, recipient.ap_id])
+
+ assert {:error, _} = ObjectValidator.validate(chat_message, [])
+ end
+
+ test "does not validate if it doesn't concern local users" do
+ user = insert(:user, local: false)
+ recipient = insert(:user, local: false)
+
+ {:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey")
+ assert {:error, _} = ObjectValidator.validate(valid_chat_message, [])
+ end
+ end
+
+ describe "EmojiReacts" do
+ setup do
+ user = insert(:user)
+ {:ok, post_activity} = CommonAPI.post(user, %{"status" => "uguu"})
+
+ object = Pleroma.Object.get_by_ap_id(post_activity.data["object"])
+
+ {:ok, valid_emoji_react, []} = Builder.emoji_react(user, object, "👌")
+
+ %{user: user, post_activity: post_activity, valid_emoji_react: valid_emoji_react}
+ end
+
+ test "it validates a valid EmojiReact", %{valid_emoji_react: valid_emoji_react} do
+ assert {:ok, _, _} = ObjectValidator.validate(valid_emoji_react, [])
+ end
+
+ test "it is not valid without a 'content' field", %{valid_emoji_react: valid_emoji_react} do
+ without_content =
+ valid_emoji_react
+ |> Map.delete("content")
+
+ {:error, cng} = ObjectValidator.validate(without_content, [])
+
+ refute cng.valid?
+ assert {:content, {"can't be blank", [validation: :required]}} in cng.errors
+ end
+
+ test "it is not valid with a non-emoji content field", %{valid_emoji_react: valid_emoji_react} do
+ without_emoji_content =
+ valid_emoji_react
+ |> Map.put("content", "x")
+
+ {:error, cng} = ObjectValidator.validate(without_emoji_content, [])
+
+ refute cng.valid?
+
+ assert {:content, {"must be a single character emoji", []}} in cng.errors
+ end
+ end
+
+ describe "Undos" do
+ setup do
+ user = insert(:user)
+ {:ok, post_activity} = CommonAPI.post(user, %{"status" => "uguu"})
+ {:ok, like} = CommonAPI.favorite(user, post_activity.id)
+ {:ok, valid_like_undo, []} = Builder.undo(user, like)
+
+ %{user: user, like: like, valid_like_undo: valid_like_undo}
+ end
+
+ test "it validates a basic like undo", %{valid_like_undo: valid_like_undo} do
+ assert {:ok, _, _} = ObjectValidator.validate(valid_like_undo, [])
+ end
+
+ test "it does not validate if the actor of the undo is not the actor of the object", %{
+ valid_like_undo: valid_like_undo
+ } do
+ other_user = insert(:user, ap_id: "https://gensokyo.2hu/users/raymoo")
+
+ bad_actor =
+ valid_like_undo
+ |> Map.put("actor", other_user.ap_id)
+
+ {:error, cng} = ObjectValidator.validate(bad_actor, [])
+
+ assert {:actor, {"not the same as object actor", []}} in cng.errors
+ end
+
+ test "it does not validate if the object is missing", %{valid_like_undo: valid_like_undo} do
+ missing_object =
+ valid_like_undo
+ |> Map.put("object", "https://gensokyo.2hu/objects/1")
+
+ {:error, cng} = ObjectValidator.validate(missing_object, [])
+
+ assert {:object, {"can't find object", []}} in cng.errors
+ assert length(cng.errors) == 1
+ end
+ end
+
describe "deletes" do
setup do
user = insert(:user)