Extract note handler.

This commit is contained in:
Roger Braun 2017-05-20 13:35:22 +02:00
parent 1085675ec4
commit 4854a604ef
3 changed files with 87 additions and 84 deletions

View file

@ -0,0 +1,78 @@
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.TwitterAPI
def fetch_replied_to_activity(entry, inReplyTo) do
if inReplyTo && !Object.get_cached_by_ap_id(inReplyTo) do
inReplyToHref = XML.string_from_xpath("//thr:in-reply-to[1]/@href", entry)
if inReplyToHref do
OStatus.fetch_activity_from_html_url(inReplyToHref)
else
Logger.debug("Couldn't find a href link to #{inReplyTo}")
end
end
end
@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) || "") |> 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_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 make_to_list(actor, mentions) do
[
"https://www.w3.org/ns/activitystreams#Public",
User.ap_followers(actor)
] ++ mentions
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),
inReplyTo <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
_inReplyToActivity <- fetch_replied_to_activity(entry, inReplyTo),
inReplyToActivity <- Activity.get_create_activity_by_object_ap_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 <- TwitterAPI.Utils.make_note_data(actor.ap_id, to, context, content_html, attachments, inReplyToActivity, []),
note <- note |> Map.put("id", id) |> Map.put("tag", tags),
# TODO: Handle this case in make_note_data
note <- (if inReplyTo && !inReplyToActivity, do: note |> Map.put("inReplyTo", inReplyTo), else: note)
do
ActivityPub.create(to, actor, context, note, %{}, date, false)
else
%Activity{} = activity -> {:ok, activity}
e -> {:error, e}
end
end
end

View file

@ -9,7 +9,7 @@ defmodule Pleroma.Web.OStatus do
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.{WebFinger, Websub}
alias Pleroma.Web.OStatus.FollowHandler
alias Pleroma.Web.OStatus.{FollowHandler, NoteHandler}
def feed_path(user) do
"#{user.ap_id}/feed.atom"
@ -41,9 +41,9 @@ def handle_incoming(xml_string) do
_ ->
case object_type do
'http://activitystrea.ms/schema/1.0/note' ->
with {:ok, activity} <- handle_note(entry, doc), do: activity
with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
'http://activitystrea.ms/schema/1.0/comment' ->
with {:ok, activity} <- handle_note(entry, doc), do: activity
with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
_ ->
Logger.error("Couldn't parse incoming document")
nil
@ -86,12 +86,11 @@ def get_or_build_object(entry) do
else
_e ->
with [object] <- :xmerl_xpath.string('/entry/activity:object', entry) do
handle_note(object, object)
NoteHandler.handle_note(object, object)
end
end
end
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),
@ -134,6 +133,10 @@ def get_attachments(entry) do
|> Enum.filter(&(&1))
end
@doc """
Gets the content from a an entry. Will add the cw text to the body for cw'd
Mastodon notes.
"""
def get_content(entry) do
base_content = string_from_xpath("//content", entry)
@ -149,85 +152,6 @@ def get_tags(entry) do
|> Enum.map(fn (category) -> string_from_xpath("/category/@term", category) end)
end
def handle_note(entry, doc \\ nil) do
content_html = get_content(entry)
[author] = :xmerl_xpath.string('//author[1]', doc)
{:ok, actor} = find_make_or_update_user(author)
inReplyTo = string_from_xpath("//thr:in-reply-to[1]/@ref", entry)
if inReplyTo && !Object.get_cached_by_ap_id(inReplyTo) do
inReplyToHref = string_from_xpath("//thr:in-reply-to[1]/@href", entry)
if inReplyToHref do
fetch_activity_from_html_url(inReplyToHref)
else
Logger.debug("Couldn't find a href link to #{inReplyTo}")
end
end
context = (string_from_xpath("//ostatus:conversation[1]", entry) || "") |> String.trim
attachments = get_attachments(entry)
context = 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
tags = get_tags(entry)
to = [
"https://www.w3.org/ns/activitystreams#Public",
User.ap_followers(actor)
]
mentions = :xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
|> Enum.map(fn(person) -> string_from_xpath("@href", person) end)
to = to ++ mentions
date = string_from_xpath("//published", entry)
id = string_from_xpath("//id", entry)
object = %{
"id" => id,
"type" => "Note",
"to" => to,
"content" => content_html,
"published" => date,
"context" => context,
"actor" => actor.ap_id,
"attachment" => attachments,
"tag" => tags
}
object = if inReplyTo do
replied_to_activity = Activity.get_create_activity_by_object_ap_id(inReplyTo)
if replied_to_activity do
object
|> Map.put("inReplyTo", inReplyTo)
|> Map.put("inReplyToStatusId", replied_to_activity.id)
else
object
|> Map.put("inReplyTo", inReplyTo)
end
else
object
end
# TODO: Bail out sooner and use transaction.
if Object.get_by_ap_id(id) do
{:ok, Activity.get_create_activity_by_object_ap_id(id)}
else
ActivityPub.create(to, actor, context, object, %{}, date, false)
end
end
def find_make_or_update_user(doc) do
uri = string_from_xpath("//author/uri[1]", doc)
with {:ok, user} <- find_or_make_user(uri) do

View file

@ -51,6 +51,7 @@ def make_content_html(status, mentions, attachments) do
def make_context(%Activity{data: %{"context" => context}}), do: context
def make_context(_), do: Utils.generate_context_id
# TODO: Move this to a more fitting space
def make_note_data(actor, to, context, content_html, attachments, inReplyTo, tags) do
object = %{
"type" => "Note",