# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Activity.Search do
alias Pleroma.Activity
alias Pleroma.Object.Fetcher
- alias Pleroma.Repo
+ alias Pleroma.Pagination
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Visibility
+ require Pleroma.Constants
+
import Ecto.Query
- def search(user, search_query) do
+ def search(user, search_query, options \\ []) do
index_type = if Pleroma.Config.get([:database, :rum_enabled]), do: :rum, else: :gin
+ limit = Enum.min([Keyword.get(options, :limit), 40])
+ offset = Keyword.get(options, :offset, 0)
+ author = Keyword.get(options, :author)
Activity
|> Activity.with_preloaded_object()
|> restrict_public()
|> query_with(index_type, search_query)
|> maybe_restrict_local(user)
- |> Repo.all()
+ |> maybe_restrict_author(author)
+ |> maybe_restrict_blocked(user)
+ |> Pagination.fetch_paginated(%{"offset" => offset, "limit" => limit}, :offset)
|> maybe_fetch(user, search_query)
end
+ def maybe_restrict_author(query, %User{} = author) do
+ Activity.Queries.by_author(query, author)
+ end
+
+ def maybe_restrict_author(query, _), do: query
+
+ def maybe_restrict_blocked(query, %User{} = user) do
+ Activity.Queries.exclude_authors(query, User.blocked_users_ap_ids(user))
+ end
+
+ def maybe_restrict_blocked(query, _), do: query
+
defp restrict_public(q) do
from([a, o] in q,
where: fragment("?->>'type' = 'Create'", a.data),
- where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
- limit: 40
+ where: ^Pleroma.Constants.as_public() in a.recipients
)
end
"to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
o.data,
^search_query
- ),
- order_by: [desc: :id]
+ )
)
end
)
end
- # users can search everything
- defp maybe_restrict_local(q, %User{}), do: q
+ defp maybe_restrict_local(q, user) do
+ limit = Pleroma.Config.get([:instance, :limit_to_local_content], :unauthenticated)
- # unauthenticated users can only search local activities
- defp maybe_restrict_local(q, _) do
- if Pleroma.Config.get([:instance, :limit_unauthenticated_to_local_content], true) do
- where(q, local: true)
- else
- q
+ case {limit, user} do
+ {:all, _} -> restrict_local(q)
+ {:unauthenticated, %User{}} -> q
+ {:unauthenticated, _} -> restrict_local(q)
+ {false, _} -> q
end
end
+ defp restrict_local(q), do: where(q, local: true)
+
defp maybe_fetch(activities, user, search_query) do
with true <- Regex.match?(~r/https?:/, search_query),
{:ok, object} <- Fetcher.fetch_object_from_id(search_query),
%Activity{} = activity <- Activity.get_create_by_object_ap_id(object.data["id"]),
true <- Visibility.visible_for_user?(activity, user) do
- activities ++ [activity]
+ [activity | activities]
else
_ -> activities
end