alias Pleroma.User
alias Pleroma.Object
alias Pleroma.Activity
+ alias Pleroma.Repo
alias Pleroma.Web.ActivityPub.ActivityPub
+ import Ecto.Query
+
+ require Logger
+
@doc """
Modifies an incoming AP object (mastodon format) to our internal format.
"""
|> Map.put("actor", object["attributedTo"])
|> fix_attachments
|> fix_context
+ |> fix_in_reply_to
+ |> fix_emoji
+ end
+
+ def fix_in_reply_to(%{"inReplyTo" => in_reply_to_id} = object) when not is_nil(in_reply_to_id) do
+ case ActivityPub.fetch_object_from_id(in_reply_to_id) do
+ {:ok, replied_object} ->
+ activity = Activity.get_create_activity_by_object_ap_id(replied_object.data["id"])
+ object
+ |> Map.put("inReplyTo", replied_object.data["id"])
+ |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
+ |> Map.put("inReplyToStatusId", activity.id)
+ |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
+ |> Map.put("context", replied_object.data["context"] || object["conversation"])
+ e ->
+ Logger.error("Couldn't fetch #{object["inReplyTo"]} #{inspect(e)}")
+ object
+ end
end
+ def fix_in_reply_to(object), do: object
def fix_context(object) do
object
|> Map.put("attachment", attachments)
end
+ def fix_emoji(object) do
+ tags = (object["tag"] || [])
+ emoji = tags |> Enum.filter(fn (data) -> data["type"] == "Emoji" and data["icon"] end)
+ emoji = emoji |> Enum.reduce(%{}, fn (data, mapping) ->
+ name = data["name"]
+ if String.starts_with?(name, ":") do
+ name = name |> String.slice(1..-2)
+ end
+
+ mapping |> Map.put(name, data["icon"]["url"])
+ end)
+
+ # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
+ emoji = Map.merge(object["emoji"] || %{}, emoji)
+
+ object
+ |> Map.put("emoji", emoji)
+ end
+
# TODO: validate those with a Ecto scheme
# - tags
# - emoji
with nil <- Activity.get_create_activity_by_object_ap_id(object["id"]),
%User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
object = fix_object(data["object"])
+
params = %{
to: data["to"],
object: object,
actor: user,
- context: data["object"]["conversation"],
+ context: object["conversation"],
local: false,
published: data["published"],
additional: Map.take(data, [
])
}
+
ActivityPub.create(params)
else
%Activity{} = activity -> {:ok, activity}
def handle_incoming(%{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = data) do
with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
- %Object{} = object <- Object.get_by_ap_id(object_id),
+ {:ok, object} <- get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
{:ok, activity, object} <- ActivityPub.like(actor, object, id, false) do
{:ok, activity}
else
end
end
+ def handle_incoming(%{"type" => "Update", "object" => %{"type" => "Person"} = object, "actor" => actor_id} = data) do
+ with %User{ap_id: ^actor_id} = actor <- User.get_by_ap_id(object["id"]) do
+ {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
+
+ banner = new_user_data[:info]["banner"]
+ update_data = new_user_data
+ |> Map.take([:name, :bio, :avatar])
+ |> Map.put(:info, Map.merge(actor.info, %{"banner" => banner}))
+
+ actor
+ |> User.upgrade_changeset(update_data)
+ |> User.update_and_set_cache()
+
+ ActivityPub.update(%{local: false, to: data["to"] || [], cc: data["cc"] || [], object: object, actor: actor_id})
+ else
+ e ->
+ Logger.error(e)
+ :error
+ end
+ end
+
+ # TODO: Make secure.
+ def handle_incoming(%{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => id} = data) do
+ object_id = case object_id do
+ %{"id" => id} -> id
+ id -> id
+ end
+ with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, object} <- get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, activity} <- ActivityPub.delete(object, false) do
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
# TODO
# Accept
# Undo
if object = Object.get_by_ap_id(id), do: {:ok, object}, else: nil
end
- @doc
- """
- internal -> Mastodon
- """
- def prepare_outgoing(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
- object = object
+ def set_reply_to_uri(%{"inReplyTo" => inReplyTo} = object) do
+ with false <- String.starts_with?(inReplyTo, "http"),
+ {:ok, %{data: replied_to_object}} <- get_obj_helper(inReplyTo) do
+ Map.put(object, "inReplyTo", replied_to_object["external_url"] || inReplyTo)
+ else
+ _e -> object
+ end
+ end
+ def set_reply_to_uri(obj), do: obj
+
+ # Prepares the object of an outgoing create activity.
+ def prepare_object(object) do
+ object
|> set_sensitive
|> add_hashtags
|> add_mention_tags
+ |> add_emoji_tags
|> add_attributed_to
|> prepare_attachments
|> set_conversation
+ |> set_reply_to_uri
+ end
+ @doc
+ """
+ internal -> Mastodon
+ """
+ def prepare_outgoing(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
+ object = object
+ |> prepare_object
data = data
|> Map.put("object", object)
|> Map.put("@context", "https://www.w3.org/ns/activitystreams")
def prepare_outgoing(%{"type" => type} = data) do
data = data
+ |> maybe_fix_object_url
|> Map.put("@context", "https://www.w3.org/ns/activitystreams")
{:ok, data}
end
+ def maybe_fix_object_url(data) do
+ if is_binary(data["object"]) and not String.starts_with?(data["object"], "http") do
+ case ActivityPub.fetch_object_from_id(data["object"]) do
+ {:ok, relative_object} ->
+ if relative_object.data["external_url"] do
+ data = data
+ |> Map.put("object", relative_object.data["external_url"])
+ else
+ data
+ end
+ e ->
+ Logger.error("Couldn't fetch #{data["object"]} #{inspect(e)}")
+ data
+ end
+ else
+ data
+ end
+ end
+
def add_hashtags(object) do
tags = (object["tag"] || [])
|> Enum.map fn (tag) -> %{"href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}", "name" => "##{tag}", "type" => "Hashtag"} end
|> Map.put("tag", tags ++ mentions)
end
+ # TODO: we should probably send mtime instead of unix epoch time for updated
+ def add_emoji_tags(object) do
+ tags = object["tag"] || []
+ emoji = object["emoji"] || []
+ out = emoji |> Enum.map(fn {name, url} ->
+ %{"icon" => %{"url" => url, "type" => "Image"},
+ "name" => ":" <> name <> ":",
+ "type" => "Emoji",
+ "updated" => "1970-01-01T00:00:00Z",
+ "id" => url}
+ end)
+
+ object
+ |> Map.put("tag", tags ++ out)
+ end
+
def set_conversation(object) do
Map.put(object, "conversation", object["context"])
end
object
|> Map.put("attachment", attachments)
end
+
+ defp user_upgrade_task(user) do
+ old_follower_address = User.ap_followers(user)
+ q = from u in User,
+ where: ^old_follower_address in u.following,
+ update: [set: [following: fragment("array_replace(?,?,?)", u.following, ^old_follower_address, ^user.follower_address)]]
+ Repo.update_all(q, [])
+
+ maybe_retire_websub(user.ap_id)
+
+ # Only do this for recent activties, don't go through the whole db.
+ # Only look at the last 1000 activities.
+ since = (Repo.aggregate(Activity, :max, :id) || 0) - 1_000
+ q = from a in Activity,
+ where: ^old_follower_address in a.recipients,
+ where: a.id > ^since,
+ update: [set: [recipients: fragment("array_replace(?,?,?)", a.recipients, ^old_follower_address, ^user.follower_address)]]
+ Repo.update_all(q, [])
+ end
+
+ def upgrade_user_from_ap_id(ap_id, async \\ true) do
+ with %User{local: false} = user <- User.get_by_ap_id(ap_id),
+ {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id) do
+ data = data
+ |> Map.put(:info, Map.merge(user.info, data[:info]))
+
+ already_ap = User.ap_enabled?(user)
+ {:ok, user} = User.upgrade_changeset(user, data)
+ |> Repo.update()
+
+ if !already_ap do
+ # This could potentially take a long time, do it in the background
+ if async do
+ Task.start(fn ->
+ user_upgrade_task(user)
+ end)
+ else
+ user_upgrade_task(user)
+ end
+ end
+
+ {:ok, user}
+ else
+ e -> e
+ end
+ end
+
+ def maybe_retire_websub(ap_id) do
+ # some sanity checks
+ if is_binary(ap_id) && (String.length(ap_id) > 8) do
+ q = from ws in Pleroma.Web.Websub.WebsubClientSubscription,
+ where: fragment("? like ?", ws.topic, ^"#{ap_id}%")
+ Repo.delete_all(q)
+ end
+ end
end
projects / akkoma / blobdiff