-defmodule Pleroma.Web.OStatus do
- @httpoison Application.get_env(:pleroma, :httpoison)
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
- import Ecto.Query
+defmodule Pleroma.Web.OStatus do
import Pleroma.Web.XML
require Logger
- alias Pleroma.{Repo, User, Web, Object, Activity}
+ alias Pleroma.Activity
+ alias Pleroma.HTTP
+ alias Pleroma.Object
+ alias Pleroma.User
+ alias Pleroma.Web
alias Pleroma.Web.ActivityPub.ActivityPub
- alias Pleroma.Web.{WebFinger, Websub}
- alias Pleroma.Web.OStatus.{FollowHandler, NoteHandler, DeleteHandler}
alias Pleroma.Web.ActivityPub.Transmogrifier
+ alias Pleroma.Web.ActivityPub.Visibility
+ alias Pleroma.Web.OStatus.DeleteHandler
+ alias Pleroma.Web.OStatus.FollowHandler
+ alias Pleroma.Web.OStatus.NoteHandler
+ alias Pleroma.Web.OStatus.UnfollowHandler
+ alias Pleroma.Web.WebFinger
+ alias Pleroma.Web.Websub
- def feed_path(user) do
- "#{user.ap_id}/feed.atom"
- end
+ def is_representable?(%Activity{} = activity) do
+ object = Object.normalize(activity)
- def pubsub_path(user) do
- "#{Web.base_url}/push/hub/#{user.nickname}"
- end
+ cond do
+ is_nil(object) ->
+ false
- def salmon_path(user) do
- "#{user.ap_id}/salmon"
- end
+ Visibility.is_public?(activity) && object.data["type"] == "Note" ->
+ true
- def remote_follow_path do
- "#{Web.base_url}/ostatus_subscribe?acct={uri}"
+ true ->
+ false
+ end
end
- def handle_incoming(xml_string) do
+ def feed_path(user), do: "#{user.ap_id}/feed.atom"
+
+ def pubsub_path(user), do: "#{Web.base_url()}/push/hub/#{user.nickname}"
+
+ def salmon_path(user), do: "#{user.ap_id}/salmon"
+
+ def remote_follow_path, do: "#{Web.base_url()}/ostatus_subscribe?acct={uri}"
+
+ def handle_incoming(xml_string, options \\ []) do
with doc when doc != :error <- parse_document(xml_string) do
+ with {:ok, actor_user} <- find_make_or_update_actor(doc),
+ do: Pleroma.Instances.set_reachable(actor_user.ap_id)
+
entries = :xmerl_xpath.string('//entry', doc)
- activities = Enum.map(entries, fn (entry) ->
- {:xmlObj, :string, object_type} = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
- {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
- Logger.debug("Handling #{verb}")
-
- try do
- case verb do
- 'http://activitystrea.ms/schema/1.0/delete' ->
- with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/follow' ->
- with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/share' ->
- with {:ok, activity, retweeted_activity} <- handle_share(entry, doc), do: [activity, retweeted_activity]
- 'http://activitystrea.ms/schema/1.0/favorite' ->
- with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc), do: [activity, favorited_activity]
- _ ->
- case object_type do
- 'http://activitystrea.ms/schema/1.0/note' ->
- with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/comment' ->
- with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
- _ ->
- Logger.error("Couldn't parse incoming document")
- nil
- end
+ activities =
+ Enum.map(entries, fn entry ->
+ {:xmlObj, :string, object_type} =
+ :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
+
+ {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
+ Logger.debug("Handling #{verb}")
+
+ try do
+ case verb do
+ 'http://activitystrea.ms/schema/1.0/delete' ->
+ with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/follow' ->
+ with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/unfollow' ->
+ with {:ok, activity} <- UnfollowHandler.handle(entry, doc), do: activity
+
+ 'http://activitystrea.ms/schema/1.0/share' ->
+ with {:ok, activity, retweeted_activity} <- handle_share(entry, doc),
+ do: [activity, retweeted_activity]
+
+ 'http://activitystrea.ms/schema/1.0/favorite' ->
+ with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc),
+ do: [activity, favorited_activity]
+
+ _ ->
+ case object_type do
+ 'http://activitystrea.ms/schema/1.0/note' ->
+ with {:ok, activity} <- NoteHandler.handle_note(entry, doc, options),
+ do: activity
+
+ 'http://activitystrea.ms/schema/1.0/comment' ->
+ with {:ok, activity} <- NoteHandler.handle_note(entry, doc, options),
+ do: activity
+
+ _ ->
+ Logger.error("Couldn't parse incoming document")
+ nil
+ end
+ end
+ rescue
+ e ->
+ Logger.error("Error occured while handling activity")
+ Logger.error(xml_string)
+ Logger.error(inspect(e))
+ nil
end
- rescue
- e ->
- Logger.error("Error occured while handling activity")
- Logger.error(xml_string)
- Logger.error(inspect(e))
- nil
- end
- end)
- |> Enum.filter(&(&1))
+ end)
+ |> Enum.filter(& &1)
{:ok, activities}
else
end
def make_share(entry, doc, retweeted_activity) do
- with {:ok, actor} <- find_make_or_update_user(doc),
- %Object{} = object <- Object.get_by_ap_id(retweeted_activity.data["object"]["id"]),
+ with {:ok, actor} <- find_make_or_update_actor(doc),
+ %Object{} = object <- Object.normalize(retweeted_activity),
id when not is_nil(id) <- string_from_xpath("/entry/id", entry),
{:ok, activity, _object} = ActivityPub.announce(actor, object, id, false) do
{:ok, activity}
end
def make_favorite(entry, doc, favorited_activity) do
- with {:ok, actor} <- find_make_or_update_user(doc),
- %Object{} = object <- Object.get_by_ap_id(favorited_activity.data["object"]["id"]),
+ with {:ok, actor} <- find_make_or_update_actor(doc),
+ %Object{} = object <- Object.normalize(favorited_activity),
id when not is_nil(id) <- string_from_xpath("/entry/id", entry),
{:ok, activity, _object} = ActivityPub.like(actor, object, id, false) do
{:ok, activity}
def get_or_try_fetching(entry) do
Logger.debug("Trying to get entry from db")
+
with id when not is_nil(id) <- string_from_xpath("//activity:object[1]/id", entry),
- %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
+ %Activity{} = activity <- Activity.get_create_by_object_ap_id_with_object(id) do
{:ok, activity}
- else _ ->
+ else
+ _ ->
Logger.debug("Couldn't get, will try to fetch")
- with href when not is_nil(href) <- string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
+
+ with href when not is_nil(href) <-
+ string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
{:ok, [favorited_activity]} <- fetch_activity_from_url(href) do
{:ok, favorited_activity}
- else e -> Logger.debug("Couldn't find href: #{inspect(e)}")
+ else
+ e -> Logger.debug("Couldn't find href: #{inspect(e)}")
end
end
end
def get_attachments(entry) do
:xmerl_xpath.string('/entry/link[@rel="enclosure"]', entry)
- |> Enum.map(fn (enclosure) ->
+ |> Enum.map(fn enclosure ->
with href when not is_nil(href) <- string_from_xpath("/link/@href", enclosure),
type when not is_nil(type) <- string_from_xpath("/link/@type", enclosure) do
%{
"type" => "Attachment",
- "url" => [%{
- "type" => "Link",
- "mediaType" => type,
- "href" => href
- }]
+ "url" => [
+ %{
+ "type" => "Link",
+ "mediaType" => type,
+ "href" => href
+ }
+ ]
}
end
end)
- |> Enum.filter(&(&1))
+ |> Enum.filter(& &1)
end
@doc """
Get the cw that mastodon uses.
"""
def get_cw(entry) do
- with cw when not is_nil(cw) <- string_from_xpath("/*/summary", entry) do
- cw
- else _e -> nil
+ case string_from_xpath("/*/summary", entry) do
+ cw when not is_nil(cw) -> cw
+ _ -> nil
end
end
def get_tags(entry) do
:xmerl_xpath.string('//category', entry)
- |> Enum.map(fn (category) -> string_from_xpath("/category/@term", category) end)
- |> Enum.filter(&(&1))
+ |> Enum.map(fn category -> string_from_xpath("/category/@term", category) end)
+ |> Enum.filter(& &1)
|> Enum.map(&String.downcase/1)
end
def maybe_update(doc, user) do
- if "true" == string_from_xpath("//author[1]/ap_enabled", doc) do
- Transmogrifier.upgrade_user_from_ap_id(user.ap_id)
- else
- maybe_update_ostatus(doc, user)
+ case string_from_xpath("//author[1]/ap_enabled", doc) do
+ "true" ->
+ Transmogrifier.upgrade_user_from_ap_id(user.ap_id)
+
+ _ ->
+ maybe_update_ostatus(doc, user)
end
end
+
def maybe_update_ostatus(doc, user) do
- old_data = %{
- avatar: user.avatar,
- bio: user.bio,
- name: user.name,
- info: user.info
- }
+ old_data = Map.take(user, [:bio, :avatar, :name])
with false <- user.local,
avatar <- make_avatar_object(doc),
bio <- string_from_xpath("//author[1]/summary", doc),
name <- string_from_xpath("//author[1]/poco:displayName", doc),
- info <- Map.put(user.info, "banner", make_avatar_object(doc, "header") || user.info["banner"]),
- new_data <- %{avatar: avatar || old_data.avatar, name: name || old_data.name, bio: bio || old_data.bio, info: info || old_data.info},
+ new_data <- %{
+ avatar: avatar || old_data.avatar,
+ name: name || old_data.name,
+ bio: bio || old_data.bio
+ },
false <- new_data == old_data do
change = Ecto.Changeset.change(user, new_data)
- Repo.update(change)
- else _ ->
- {:ok, user}
+ User.update_and_set_cache(change)
+ else
+ _ ->
+ {:ok, user}
end
end
- def find_make_or_update_user(doc) do
+ def find_make_or_update_actor(doc) do
uri = string_from_xpath("//author/uri[1]", doc)
- with {:ok, user} <- find_or_make_user(uri) do
+
+ with {:ok, %User{} = user} <- find_or_make_user(uri),
+ {:ap_enabled, false} <- {:ap_enabled, User.ap_enabled?(user)} do
maybe_update(doc, user)
+ else
+ {:ap_enabled, true} ->
+ {:error, :invalid_protocol}
+
+ _ ->
+ {:error, :unknown_user}
end
end
+ @spec find_or_make_user(String.t()) :: {:ok, User.t()}
def find_or_make_user(uri) do
- query = from user in User,
- where: user.ap_id == ^uri
-
- user = Repo.one(query)
-
- if is_nil(user) do
- make_user(uri)
- else
- {:ok, user}
+ case User.get_by_ap_id(uri) do
+ %User{} = user -> {:ok, user}
+ _ -> make_user(uri)
end
end
+ @spec make_user(String.t(), boolean()) :: {:ok, User.t()} | {:error, any()}
def make_user(uri, update \\ false) do
with {:ok, info} <- gather_user_info(uri) do
- data = %{
- name: info["name"],
- nickname: info["nickname"] <> "@" <> info["host"],
- ap_id: info["uri"],
- info: info,
- avatar: info["avatar"],
- bio: info["bio"]
- }
with false <- update,
- %User{} = user <- User.get_by_ap_id(data.ap_id) do
+ %User{} = user <- User.get_cached_by_ap_id(info["uri"]) do
{:ok, user}
- else _e -> User.insert_or_update_user(data)
+ else
+ _e -> User.insert_or_update_user(build_user_data(info))
end
end
end
+ defp build_user_data(info) do
+ %{
+ name: info["name"],
+ nickname: info["nickname"] <> "@" <> info["host"],
+ ap_id: info["uri"],
+ info: info,
+ avatar: info["avatar"],
+ bio: info["bio"]
+ }
+ end
+
# TODO: Just takes the first one for now.
def make_avatar_object(author_doc, rel \\ "avatar") do
href = string_from_xpath("//author[1]/link[@rel=\"#{rel}\"]/@href", author_doc)
if href do
%{
"type" => "Image",
- "url" =>
- [%{
- "type" => "Link",
- "mediaType" => type,
- "href" => href
- }]
+ "url" => [%{"type" => "Link", "mediaType" => type, "href" => href}]
}
else
nil
end
end
+ @spec gather_user_info(String.t()) :: {:ok, map()} | {:error, any()}
def gather_user_info(username) do
with {:ok, webfinger_data} <- WebFinger.finger(username),
{:ok, feed_data} <- Websub.gather_feed_data(webfinger_data["topic"]) do
- {:ok, Map.merge(webfinger_data, feed_data) |> Map.put("fqn", username)}
- else e ->
- Logger.debug(fn -> "Couldn't gather info for #{username}" end)
- {:error, e}
+ data =
+ webfinger_data
+ |> Map.merge(feed_data)
+ |> Map.put("fqn", username)
+
+ {:ok, data}
+ else
+ e ->
+ Logger.debug(fn -> "Couldn't gather info for #{username}" end)
+ {:error, e}
end
end
Regex.match?(@mastodon_regex, body) ->
[[_, match]] = Regex.scan(@mastodon_regex, body)
{:ok, match}
+
Regex.match?(@gs_regex, body) ->
[[_, match]] = Regex.scan(@gs_regex, body)
{:ok, match}
+
Regex.match?(@gs_classic_regex, body) ->
[[_, match]] = Regex.scan(@gs_classic_regex, body)
{:ok, match}
+
true ->
Logger.debug(fn -> "Couldn't find Atom link in #{inspect(body)}" end)
{:error, "Couldn't find the Atom link"}
end
end
- def fetch_activity_from_atom_url(url) do
+ def fetch_activity_from_atom_url(url, options \\ []) do
with true <- String.starts_with?(url, "http"),
- {:ok, %{body: body, status_code: code}} when code in 200..299 <- @httpoison.get(url, [Accept: "application/atom+xml"], follow_redirect: true, timeout: 10000, recv_timeout: 20000) do
+ {:ok, %{body: body, status: code}} when code in 200..299 <-
+ HTTP.get(url, [{:Accept, "application/atom+xml"}]) do
Logger.debug("Got document from #{url}, handling...")
- handle_incoming(body)
+ handle_incoming(body, options)
else
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
end
end
- def fetch_activity_from_html_url(url) do
+ def fetch_activity_from_html_url(url, options \\ []) do
Logger.debug("Trying to fetch #{url}")
+
with true <- String.starts_with?(url, "http"),
- {:ok, %{body: body}} <- @httpoison.get(url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000),
+ {:ok, %{body: body}} <- HTTP.get(url, []),
{:ok, atom_url} <- get_atom_url(body) do
- fetch_activity_from_atom_url(atom_url)
+ fetch_activity_from_atom_url(atom_url, options)
else
e ->
Logger.debug("Couldn't get #{url}: #{inspect(e)}")
end
end
- def fetch_activity_from_url(url) do
- try do
- with {:ok, activities} when length(activities) > 0 <- fetch_activity_from_atom_url(url) do
- {:ok, activities}
- else
- _e -> with {:ok, activities} <- fetch_activity_from_html_url(url) do
- {:ok, activities}
- end
- end
- rescue
- e ->
- Logger.debug("Couldn't get #{url}: #{inspect(e)}")
- {:error, "Couldn't get #{url}: #{inspect(e)}"}
+ def fetch_activity_from_url(url, options \\ []) do
+ with {:ok, [_ | _] = activities} <- fetch_activity_from_atom_url(url, options) do
+ {:ok, activities}
+ else
+ _e -> fetch_activity_from_html_url(url, options)
end
+ rescue
+ e ->
+ Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+ {:error, "Couldn't get #{url}: #{inspect(e)}"}
end
end
projects / akkoma / blobdiff