alias Pleroma.Activity
alias Pleroma.Repo
alias Pleroma.Web.ActivityPub.ActivityPub
+ alias Pleroma.Web.ActivityPub.Utils
import Ecto.Query
|> fix_attachments
|> fix_context
|> fix_in_reply_to
+ |> fix_emoji
+ |> fix_tag
end
- def fix_in_reply_to(%{"inReplyTo" => in_reply_to_id} = object) when not is_nil(in_reply_to_id) do
+ 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["conversation"])
- |> Map.put("context", replied_object.data["conversation"])
+ |> 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
end
def fix_attachments(object) do
- attachments = (object["attachment"] || [])
- |> Enum.map(fn (data) ->
- url = [%{"type" => "Link", "mediaType" => data["mediaType"], "href" => data["url"]}]
- Map.put(data, "url", url)
- end)
+ attachments =
+ (object["attachment"] || [])
+ |> Enum.map(fn data ->
+ url = [%{"type" => "Link", "mediaType" => data["mediaType"], "href" => data["url"]}]
+ Map.put(data, "url", url)
+ end)
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"]
+
+ name =
+ if String.starts_with?(name, ":") do
+ name |> String.slice(1..-2)
+ else
+ name
+ 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
+
+ def fix_tag(object) do
+ tags =
+ (object["tag"] || [])
+ |> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
+ |> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
+
+ combined = (object["tag"] || []) ++ tags
+
+ object
+ |> Map.put("tag", combined)
+ end
+
# TODO: validate those with a Ecto scheme
# - tags
# - emoji
to: data["to"],
object: object,
actor: user,
- context: data["object"]["conversation"],
+ context: object["conversation"],
local: false,
published: data["published"],
- additional: Map.take(data, [
- "cc",
- "id"
- ])
+ additional:
+ Map.take(data, [
+ "cc",
+ "id"
+ ])
}
-
ActivityPub.create(params)
else
%Activity{} = activity -> {:ok, activity}
end
end
- def handle_incoming(%{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data) do
+ def handle_incoming(
+ %{"type" => "Follow", "object" => followed, "actor" => follower, "id" => id} = data
+ ) do
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
%User{} = follower <- User.get_or_fetch_by_ap_id(follower),
{:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
ActivityPub.accept(%{to: [follower.ap_id], actor: followed.ap_id, object: data, local: true})
+
User.follow(follower, followed)
{:ok, activity}
else
end
end
- def handle_incoming(%{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = data) do
+ defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
+ with true <- id =~ "follows",
+ %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
+ %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
+ {:ok, activity}
+ else
+ _ -> {:error, nil}
+ end
+ end
+
+ defp mastodon_follow_hack(_), do: {:error, nil}
+
+ defp get_follow_activity(follow_object, followed) do
+ with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
+ {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
+ {:ok, activity}
+ else
+ # Can't find the activity. This might a Mastodon 2.3 "Accept"
+ {:activity, nil} ->
+ mastodon_follow_hack(follow_object, followed)
+
+ _ ->
+ {:error, nil}
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Accept", "object" => follow_object, "actor" => actor, "id" => id} = data
+ ) do
+ with %User{} = followed <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
+ %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
+ {:ok, activity} <-
+ ActivityPub.accept(%{
+ to: follow_activity.data["to"],
+ type: "Accept",
+ actor: followed.ap_id,
+ object: follow_activity.data["id"],
+ local: false
+ }) do
+ if not User.following?(follower, followed) do
+ {:ok, follower} = User.follow(follower, followed)
+ end
+
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Reject", "object" => follow_object, "actor" => actor, "id" => id} = data
+ ) do
+ with %User{} = followed <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
+ %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
+ {:ok, activity} <-
+ ActivityPub.accept(%{
+ to: follow_activity.data["to"],
+ type: "Accept",
+ actor: followed.ap_id,
+ object: follow_activity.data["id"],
+ local: false
+ }) do
+ User.unfollow(follower, followed)
+
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ 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),
- {: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, 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
_e -> :error
end
end
- def handle_incoming(%{"type" => "Announce", "object" => object_id, "actor" => actor, "id" => id} = data) do
+ def handle_incoming(
+ %{"type" => "Announce", "object" => object_id, "actor" => actor, "id" => id} = _data
+ ) do
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, object} <- ActivityPub.announce(actor, object, id, false) do
+ {:ok, object} <-
+ get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, activity, _object} <- ActivityPub.announce(actor, object, id, false) do
{:ok, activity}
else
_e -> :error
end
end
- def handle_incoming(%{"type" => "Update", "object" => %{"type" => "Person"} = object, "actor" => actor_id} = data) do
+ 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}))
+
+ 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)
- |> Repo.update
+ |> User.update_and_set_cache()
- User.invalidate_cache(actor)
- ActivityPub.update(%{local: false, to: data["to"] || [], cc: data["cc"] || [], object: object, actor: actor_id})
+ ActivityPub.update(%{
+ local: false,
+ to: data["to"] || [],
+ cc: data["cc"] || [],
+ object: object,
+ actor: actor_id
+ })
else
e ->
Logger.error(e)
end
end
- # TODO
- # Accept
- # Undo
+ # TODO: Make secure.
+ def handle_incoming(
+ %{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => _id} = _data
+ ) do
+ object_id = Utils.get_ap_id(object_id)
+
+ 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
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Announce", "object" => object_id},
+ "actor" => actor,
+ "id" => id
+ } = _data
+ ) do
+ 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.unannounce(actor, object, id, false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Follow", "object" => followed},
+ "actor" => follower,
+ "id" => id
+ } = _data
+ ) do
+ with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
+ %User{} = follower <- User.get_or_fetch_by_ap_id(follower),
+ {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
+ User.unfollow(follower, followed)
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
+ @ap_config Application.get_env(:pleroma, :activitypub)
+ @accept_blocks Keyword.get(@ap_config, :accept_blocks)
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Block", "object" => blocked},
+ "actor" => blocker,
+ "id" => id
+ } = _data
+ ) do
+ with true <- @accept_blocks,
+ %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
+ %User{} = blocker <- User.get_or_fetch_by_ap_id(blocker),
+ {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
+ User.unblock(blocker, blocked)
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = data
+ ) do
+ with true <- @accept_blocks,
+ %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
+ %User{} = blocker = User.get_or_fetch_by_ap_id(blocker),
+ {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
+ User.unfollow(blocker, blocked)
+ User.block(blocker, blocked)
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Like", "object" => object_id},
+ "actor" => actor,
+ "id" => id
+ } = _data
+ ) do
+ 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.unlike(actor, object, id, false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
def handle_incoming(_), do: :error
if object = Object.get_by_ap_id(id), do: {:ok, object}, else: nil
end
+ 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
- """
+ # @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")
+ object =
+ object
+ |> prepare_object
+
+ data =
+ data
+ |> Map.put("object", object)
+ |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
{:ok, data}
end
- def prepare_outgoing(%{"type" => type} = data) do
- data = data
- |> 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
+ tags =
+ (object["tag"] || [])
+ |> Enum.map(fn tag ->
+ %{
+ "href" => Pleroma.Web.Endpoint.url() <> "/tags/#{tag}",
+ "name" => "##{tag}",
+ "type" => "Hashtag"
+ }
+ end)
object
|> Map.put("tag", tags)
def add_mention_tags(object) do
recipients = object["to"] ++ (object["cc"] || [])
- mentions = recipients
- |> Enum.map(fn (ap_id) -> User.get_cached_by_ap_id(ap_id) end)
- |> Enum.filter(&(&1))
- |> Enum.map(fn(user) -> %{"type" => "Mention", "href" => user.ap_id, "name" => "@#{user.nickname}"} end)
+
+ mentions =
+ recipients
+ |> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
+ |> Enum.filter(& &1)
+ |> Enum.map(fn user ->
+ %{"type" => "Mention", "href" => user.ap_id, "name" => "@#{user.nickname}"}
+ end)
tags = object["tag"] || []
|> 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
end
def prepare_attachments(object) do
- attachments = (object["attachment"] || [])
- |> Enum.map(fn (data) ->
- [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
- %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
- end)
+ attachments =
+ (object["attachment"] || [])
+ |> Enum.map(fn data ->
+ [%{"mediaType" => media_type, "href" => href} | _] = data["url"]
+ %{"url" => href, "mediaType" => media_type, "name" => data["name"], "type" => "Document"}
+ end)
object
|> Map.put("attachment", attachments)
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)]]
+
+ 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.
- since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_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)]]
+ # 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]))
-
- {:ok, user} = User.upgrade_changeset(user, data)
- |> Repo.update()
-
- # This could potentially take a long time, do it in the background
- if async do
- Task.start(fn ->
+ 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)
- else
- user_upgrade_task(user)
+ end
end
{:ok, user}
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}%")
+ 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
+
+ def maybe_fix_user_url(data) do
+ if is_map(data["url"]) do
+ Map.put(data, "url", data["url"]["href"])
+ else
+ data
+ end
+ end
+
+ def maybe_fix_user_object(data) do
+ data
+ |> maybe_fix_user_url
+ end
end
projects / akkoma / blobdiff