diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/pleroma/application.ex | 1 | ||||
-rw-r--r-- | lib/pleroma/gopher/server.ex | 152 | ||||
-rw-r--r-- | lib/pleroma/user.ex | 34 | ||||
-rw-r--r-- | lib/pleroma/web/activity_pub/views/user_view.ex | 21 |
4 files changed, 189 insertions, 19 deletions
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex index 5e29a5d65..89826f515 100644 --- a/lib/pleroma/application.ex +++ b/lib/pleroma/application.ex @@ -24,6 +24,7 @@ defmodule Pleroma.Application do ] ]), worker(Pleroma.Web.Federator, []), + worker(Pleroma.Gopher.Server, []), worker(Pleroma.Stats, []) ] ++ if Mix.env() == :test, diff --git a/lib/pleroma/gopher/server.ex b/lib/pleroma/gopher/server.ex new file mode 100644 index 000000000..cfce4c05c --- /dev/null +++ b/lib/pleroma/gopher/server.ex @@ -0,0 +1,152 @@ +defmodule Pleroma.Gopher.Server do + use GenServer + require Logger + @gopher Application.get_env(:pleroma, :gopher) + + def start_link() do + ip = Keyword.get(@gopher, :ip, {0, 0, 0, 0}) + port = Keyword.get(@gopher, :port, 1234) + GenServer.start_link(__MODULE__, [ip, port], []) + end + + def init([ip, port]) do + if Keyword.get(@gopher, :enabled, false) do + Logger.info("Starting gopher server on #{port}") + + :ranch.start_listener( + :gopher, + 100, + :ranch_tcp, + [port: port], + __MODULE__.ProtocolHandler, + [] + ) + + {:ok, %{ip: ip, port: port}} + else + Logger.info("Gopher server disabled") + {:ok, nil} + end + end +end + +defmodule Pleroma.Gopher.Server.ProtocolHandler do + alias Pleroma.Web.ActivityPub.ActivityPub + alias Pleroma.User + alias Pleroma.Activity + alias Pleroma.Repo + + @instance Application.get_env(:pleroma, :instance) + @gopher Application.get_env(:pleroma, :gopher) + + def start_link(ref, socket, transport, opts) do + pid = spawn_link(__MODULE__, :init, [ref, socket, transport, opts]) + {:ok, pid} + end + + def init(ref, socket, transport, _Opts = []) do + :ok = :ranch.accept_ack(ref) + loop(socket, transport) + end + + def info(text) do + text = String.replace(text, ~r/[\t\n]/, "") + String.split(text, "\r") + |> Enum.map(fn (text) -> + "i#{text}\tfake\(NULL)\t0\r\n" + end) + |> Enum.join("") + end + + def link(name, selector, type \\ 1) do + address = Pleroma.Web.Endpoint.host() + port = Keyword.get(@gopher, :port, 1234) + "#{type}#{name}\t#{selector}\t#{address}\t#{port}\r\n" + end + + def response("") do + info("Welcome to #{Keyword.get(@instance, :name, "Pleroma")}!") <> + link("Public Timeline", "/main/public") <> + link("Federated Timeline", "/main/all") <> ".\r\n" + end + + def render_activities(activities) do + activities + |> Enum.reverse() + |> Enum.map(fn activity -> + user = User.get_cached_by_ap_id(activity.data["actor"]) + + object = activity.data["object"] + like_count = object["like_count"] || 0 + announcement_count = object["announcement_count"] || 0 + + link("Post ##{activity.id} by #{user.nickname}", "/notices/#{activity.id}") <> + info("#{like_count} likes, #{announcement_count} repeats") <> + "\r\n" <> info(HtmlSanitizeEx.strip_tags(String.replace(activity.data["object"]["content"], "<br>", "\r"))) + end) + |> Enum.join("\r\n") + end + + def response("/main/public") do + posts = + ActivityPub.fetch_public_activities(%{"type" => ["Create"], "local_only" => true}) + |> render_activities + + info("Welcome to the Public Timeline!") <> posts <> ".\r\n" + end + + def response("/main/all") do + posts = + ActivityPub.fetch_public_activities(%{"type" => ["Create"]}) + |> render_activities + + info("Welcome to the Federated Timeline!") <> posts <> ".\r\n" + end + + def response("/notices/" <> id) do + with %Activity{} = activity <- Repo.get(Activity, id), + true <- ActivityPub.is_public?(activity) do + activities = + ActivityPub.fetch_activities_for_context(activity.data["context"]) + |> render_activities + + user = User.get_cached_by_ap_id(activity.data["actor"]) + + info("Post #{activity.id} by #{user.nickname}") <> + link("More posts by #{user.nickname}", "/users/#{user.nickname}") <> activities <> ".\r\n" + else + _e -> + info("Not public") <> ".\r\n" + end + end + + def response("/users/" <> nickname) do + with %User{} = user <- User.get_cached_by_nickname(nickname) do + params = %{ + "type" => ["Create"], + "actor_id" => user.ap_id + } + + activities = + ActivityPub.fetch_public_activities(params) + |> render_activities + + info("Posts by #{user.nickname}") <> activities <> ".\r\n" + else + _e -> + info("No such user") <> ".\r\n" + end + end + + def loop(socket, transport) do + case transport.recv(socket, 0, 5000) do + {:ok, data} -> + data = String.trim_trailing(data, "\r\n") + transport.send(socket, response(data)) + :ok = transport.close(socket) + + _ -> + :ok = transport.close(socket) + end + end +end diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex index 55b290309..abeb169d9 100644 --- a/lib/pleroma/user.ex +++ b/lib/pleroma/user.ex @@ -278,24 +278,30 @@ defmodule Pleroma.User do end end - def get_followers(%User{id: id, follower_address: follower_address}) do - q = - from( - u in User, - where: fragment("? <@ ?", ^[follower_address], u.following), - where: u.id != ^id - ) + def get_followers_query(%User{id: id, follower_address: follower_address}) do + from( + u in User, + where: fragment("? <@ ?", ^[follower_address], u.following), + where: u.id != ^id + ) + end + + def get_followers(user) do + q = get_followers_query(user) {:ok, Repo.all(q)} end - def get_friends(%User{id: id, following: following}) do - q = - from( - u in User, - where: u.follower_address in ^following, - where: u.id != ^id - ) + def get_friends_query(%User{id: id, following: following}) do + from( + u in User, + where: u.follower_address in ^following, + where: u.id != ^id + ) + end + + def get_friends(user) do + q = get_friends_query(user) {:ok, Repo.all(q)} end diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex index 997d8308f..92afd0872 100644 --- a/lib/pleroma/web/activity_pub/views/user_view.ex +++ b/lib/pleroma/web/activity_pub/views/user_view.ex @@ -3,9 +3,11 @@ defmodule Pleroma.Web.ActivityPub.UserView do alias Pleroma.Web.Salmon alias Pleroma.Web.WebFinger alias Pleroma.User + alias Pleroma.Repo alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Transmogrifier alias Pleroma.Web.ActivityPub.Utils + import Ecto.Query def render("user.json", %{user: user}) do {:ok, user} = WebFinger.ensure_keys_present(user) @@ -45,10 +47,11 @@ defmodule Pleroma.Web.ActivityPub.UserView do |> Map.merge(Utils.make_json_ld_header()) end - def collection(collection, iri, page) do + def collection(collection, iri, page, total \\ nil) do offset = (page - 1) * 10 items = Enum.slice(collection, offset, 10) items = Enum.map(items, fn user -> user.ap_id end) + total = total || length(collection) map = %{ "id" => "#{iri}?page=#{page}", @@ -64,14 +67,18 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("following.json", %{user: user, page: page}) do - {:ok, following} = User.get_friends(user) + query = User.get_friends_query(user) + query = from(user in query, select: [:ap_id]) + following = Repo.all(query) collection(following, "#{user.ap_id}/following", page) |> Map.merge(Utils.make_json_ld_header()) end def render("following.json", %{user: user}) do - {:ok, following} = User.get_friends(user) + query = User.get_friends_query(user) + query = from(user in query, select: [:ap_id]) + following = Repo.all(query) %{ "id" => "#{user.ap_id}/following", @@ -83,14 +90,18 @@ defmodule Pleroma.Web.ActivityPub.UserView do end def render("followers.json", %{user: user, page: page}) do - {:ok, followers} = User.get_followers(user) + query = User.get_followers_query(user) + query = from(user in query, select: [:ap_id]) + followers = Repo.all(query) collection(followers, "#{user.ap_id}/followers", page) |> Map.merge(Utils.make_json_ld_header()) end def render("followers.json", %{user: user}) do - {:ok, followers} = User.get_followers(user) + query = User.get_followers_query(user) + query = from(user in query, select: [:ap_id]) + followers = Repo.all(query) %{ "id" => "#{user.ap_id}/followers", |