forked from AkkomaGang/akkoma
123 lines
4.4 KiB
Elixir
123 lines
4.4 KiB
Elixir
defmodule Pleroma.Web.OStatus.NoteHandler do
|
|
require Logger
|
|
alias Pleroma.Web.{XML, OStatus}
|
|
alias Pleroma.{Object, User, Activity}
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
alias Pleroma.Web.ActivityPub.Utils
|
|
alias Pleroma.Web.CommonAPI
|
|
|
|
@doc """
|
|
Get the context for this note. Uses this:
|
|
1. The context of the parent activity
|
|
2. The conversation reference in the ostatus xml
|
|
3. A newly generated context id.
|
|
"""
|
|
def get_context(entry, inReplyTo) do
|
|
context = (
|
|
XML.string_from_xpath("//ostatus:conversation[1]", entry)
|
|
|| XML.string_from_xpath("//ostatus:conversation[1]/@ref", entry)
|
|
|| "") |> String.trim
|
|
|
|
with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(inReplyTo) do
|
|
context
|
|
else _e ->
|
|
if String.length(context) > 0 do
|
|
context
|
|
else
|
|
Utils.generate_context_id
|
|
end
|
|
end
|
|
end
|
|
|
|
def get_people_mentions(entry) do
|
|
:xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
|
|
|> Enum.map(fn(person) -> XML.string_from_xpath("@href", person) end)
|
|
end
|
|
|
|
def get_collection_mentions(entry) do
|
|
transmogrify = fn
|
|
("http://activityschema.org/collection/public") ->
|
|
"https://www.w3.org/ns/activitystreams#Public"
|
|
(group) ->
|
|
group
|
|
end
|
|
|
|
:xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/collection"]', entry)
|
|
|> Enum.map(fn(collection) -> XML.string_from_xpath("@href", collection) |> transmogrify.() end)
|
|
end
|
|
|
|
def get_mentions(entry) do
|
|
(get_people_mentions(entry)
|
|
++ get_collection_mentions(entry))
|
|
|> Enum.filter(&(&1))
|
|
end
|
|
|
|
def get_emoji(entry) do
|
|
try do
|
|
:xmerl_xpath.string('//link[@rel="emoji"]', entry)
|
|
|> Enum.reduce(%{}, fn(emoji, acc) ->
|
|
Map.put(acc, XML.string_from_xpath("@name", emoji), XML.string_from_xpath("@href", emoji))
|
|
end)
|
|
rescue
|
|
_e -> nil
|
|
end
|
|
end
|
|
|
|
def make_to_list(actor, mentions) do
|
|
[
|
|
actor.follower_address
|
|
] ++ mentions
|
|
end
|
|
|
|
def add_external_url(note, entry) do
|
|
url = XML.string_from_xpath("//link[@rel='alternate' and @type='text/html']/@href", entry)
|
|
Map.put(note, "external_url", url)
|
|
end
|
|
|
|
def fetch_replied_to_activity(entry, inReplyTo) do
|
|
with %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(inReplyTo) do
|
|
activity
|
|
else
|
|
_e ->
|
|
with inReplyToHref when not is_nil(inReplyToHref) <- XML.string_from_xpath("//thr:in-reply-to[1]/@href", entry),
|
|
{:ok, [activity | _]} <- OStatus.fetch_activity_from_url(inReplyToHref) do
|
|
activity
|
|
else
|
|
_e -> nil
|
|
end
|
|
end
|
|
end
|
|
|
|
def handle_note(entry, doc \\ nil) do
|
|
with id <- XML.string_from_xpath("//id", entry),
|
|
activity when is_nil(activity) <- Activity.get_create_activity_by_object_ap_id(id),
|
|
[author] <- :xmerl_xpath.string('//author[1]', doc),
|
|
{:ok, actor} <- OStatus.find_make_or_update_user(author),
|
|
content_html <- OStatus.get_content(entry),
|
|
cw <- OStatus.get_cw(entry),
|
|
inReplyTo <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
|
|
inReplyToActivity <- fetch_replied_to_activity(entry, inReplyTo),
|
|
inReplyTo <- (inReplyToActivity && inReplyToActivity.data["object"]["id"]) || inReplyTo,
|
|
attachments <- OStatus.get_attachments(entry),
|
|
context <- get_context(entry, inReplyTo),
|
|
tags <- OStatus.get_tags(entry),
|
|
mentions <- get_mentions(entry),
|
|
to <- make_to_list(actor, mentions),
|
|
date <- XML.string_from_xpath("//published", entry),
|
|
note <- CommonAPI.Utils.make_note_data(actor.ap_id, to, context, content_html, attachments, inReplyToActivity, [], cw),
|
|
note <- note |> Map.put("id", id) |> Map.put("tag", tags),
|
|
note <- note |> Map.put("published", date),
|
|
note <- note |> Map.put("emoji", get_emoji(entry)),
|
|
note <- add_external_url(note, entry),
|
|
# TODO: Handle this case in make_note_data
|
|
note <- (if inReplyTo && !inReplyToActivity, do: note |> Map.put("inReplyTo", inReplyTo), else: note)
|
|
do
|
|
res = ActivityPub.create(%{to: to, actor: actor, context: context, object: note, published: date, local: false})
|
|
User.increase_note_count(actor)
|
|
res
|
|
else
|
|
%Activity{} = activity -> {:ok, activity}
|
|
e -> {:error, e}
|
|
end
|
|
end
|
|
end
|