1 defmodule Pleroma.Web.OStatus do
6 alias Pleroma.{Repo, User, Web, Object}
7 alias Pleroma.Web.ActivityPub.ActivityPub
8 alias Pleroma.Web.{WebFinger, Websub}
10 def feed_path(user) do
11 "#{user.ap_id}/feed.atom"
14 def pubsub_path(user) do
15 "#{Web.base_url}/push/hub/#{user.nickname}"
18 def salmon_path(user) do
19 "#{user.ap_id}/salmon"
22 def handle_incoming(xml_string) do
23 doc = parse_document(xml_string)
24 entries = :xmerl_xpath.string('//entry', doc)
26 activities = Enum.map(entries, fn (entry) ->
27 {:xmlObj, :string, object_type } = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
30 'http://activitystrea.ms/schema/1.0/note' ->
31 with {:ok, activity} <- handle_note(entry, doc), do: activity
32 'http://activitystrea.ms/schema/1.0/comment' ->
33 with {:ok, activity} <- handle_note(entry, doc), do: activity
35 Logger.error("Couldn't parse incoming document")
42 def get_attachments(entry) do
43 :xmerl_xpath.string('/entry/link[@rel="enclosure"]', entry)
44 |> Enum.map(fn (enclosure) ->
45 with href when not is_nil(href) <- string_from_xpath("/link/@href", enclosure),
46 type when not is_nil(type) <- string_from_xpath("/link/@type", enclosure) do
48 "type" => "Attachment",
60 def handle_note(entry, doc \\ nil) do
61 content_html = string_from_xpath("/entry/content[1]", entry)
63 [author] = :xmerl_xpath.string('//author[1]', doc)
64 {:ok, actor} = find_make_or_update_user(author)
65 inReplyTo = string_from_xpath("/entry/thr:in-reply-to[1]/@ref", entry)
67 context = (string_from_xpath("/entry/ostatus:conversation[1]", entry) || "") |> String.trim
69 attachments = get_attachments(entry)
71 context = with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(inReplyTo) do
74 if String.length(context) > 0 do
77 ActivityPub.generate_context_id
82 "https://www.w3.org/ns/activitystreams#Public"
85 mentions = :xmerl_xpath.string('/entry/link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
86 |> Enum.map(fn(person) -> string_from_xpath("@href", person) end)
90 date = string_from_xpath("/entry/published", entry)
91 id = string_from_xpath("/entry/id", entry)
97 "content" => content_html,
100 "actor" => actor.ap_id,
101 "attachment" => attachments
104 object = if inReplyTo do
105 Map.put(object, "inReplyTo", inReplyTo)
110 # TODO: Bail out sooner and use transaction.
111 if Object.get_by_ap_id(id) do
112 {:error, "duplicate activity"}
114 ActivityPub.create(to, actor, context, object, %{}, date, false)
118 def find_make_or_update_user(doc) do
119 uri = string_from_xpath("//author/uri[1]", doc)
120 with {:ok, user} <- find_or_make_user(uri) do
121 avatar = make_avatar_object(doc)
122 if user.avatar != avatar do
123 change = Ecto.Changeset.change(user, %{avatar: avatar})
131 def find_or_make_user(uri) do
132 query = from user in User,
133 where: user.local == false and fragment("? @> ?", user.info, ^%{uri: uri})
135 user = Repo.one(query)
144 def make_user(uri) do
145 with {:ok, info} <- gather_user_info(uri) do
149 nickname: info["nickname"] <> "@" <> info["host"],
152 avatar: info["avatar"]
154 # TODO: Make remote user changeset
155 # SHould enforce fqn nickname
156 Repo.insert(Ecto.Changeset.change(%User{}, data))
160 # TODO: Just takes the first one for now.
161 def make_avatar_object(author_doc) do
162 href = string_from_xpath("//author[1]/link[@rel=\"avatar\"]/@href", author_doc)
163 type = string_from_xpath("//author[1]/link[@rel=\"avatar\"]/@type", author_doc)
180 def gather_user_info(username) do
181 with {:ok, webfinger_data} <- WebFinger.finger(username),
182 {:ok, feed_data} <- Websub.gather_feed_data(webfinger_data["topic"]) do
183 {:ok, Map.merge(webfinger_data, feed_data) |> Map.put("fqn", username)}
185 Logger.debug("Couldn't gather info for #{username}")