Extract note handler.
This commit is contained in:
Roger Braun
parent
1085675ec4
commit
4854a604ef
78
lib/pleroma/web/ostatus/handlers/note_handler.ex
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78
lib/pleroma/web/ostatus/handlers/note_handler.ex
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@ -0,0 +1,78 @@
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defmodule Pleroma.Web.OStatus.NoteHandler do
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require Logger
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alias Pleroma.Web.{XML, OStatus}
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alias Pleroma.{Object, User, Activity}
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.TwitterAPI
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def fetch_replied_to_activity(entry, inReplyTo) do
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if inReplyTo && !Object.get_cached_by_ap_id(inReplyTo) do
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inReplyToHref = XML.string_from_xpath("//thr:in-reply-to[1]/@href", entry)
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if inReplyToHref do
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OStatus.fetch_activity_from_html_url(inReplyToHref)
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else
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Logger.debug("Couldn't find a href link to #{inReplyTo}")
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end
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end
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end
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@doc """
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Get the context for this note. Uses this:
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1. The context of the parent activity
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2. The conversation reference in the ostatus xml
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3. A newly generated context id.
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"""
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def get_context(entry, inReplyTo) do
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context = (XML.string_from_xpath("//ostatus:conversation[1]", entry) || "") |> String.trim
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with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(inReplyTo) do
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context
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else _e ->
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if String.length(context) > 0 do
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context
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else
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Utils.generate_context_id
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end
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end
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end
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def get_mentions(entry) do
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:xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
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|> Enum.map(fn(person) -> XML.string_from_xpath("@href", person) end)
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end
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def make_to_list(actor, mentions) do
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[
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"https://www.w3.org/ns/activitystreams#Public",
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User.ap_followers(actor)
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] ++ mentions
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end
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def handle_note(entry, doc \\ nil) do
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with id <- XML.string_from_xpath("//id", entry),
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activity when is_nil(activity) <- Activity.get_create_activity_by_object_ap_id(id),
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[author] <- :xmerl_xpath.string('//author[1]', doc),
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{:ok, actor} <- OStatus.find_make_or_update_user(author),
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content_html <- OStatus.get_content(entry),
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inReplyTo <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
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_inReplyToActivity <- fetch_replied_to_activity(entry, inReplyTo),
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inReplyToActivity <- Activity.get_create_activity_by_object_ap_id(inReplyTo),
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attachments <- OStatus.get_attachments(entry),
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context <- get_context(entry, inReplyTo),
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tags <- OStatus.get_tags(entry),
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mentions <- get_mentions(entry),
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to <- make_to_list(actor, mentions),
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date <- XML.string_from_xpath("//published", entry),
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note <- TwitterAPI.Utils.make_note_data(actor.ap_id, to, context, content_html, attachments, inReplyToActivity, []),
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note <- note |> Map.put("id", id) |> Map.put("tag", tags),
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# TODO: Handle this case in make_note_data
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note <- (if inReplyTo && !inReplyToActivity, do: note |> Map.put("inReplyTo", inReplyTo), else: note)
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do
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ActivityPub.create(to, actor, context, note, %{}, date, false)
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else
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%Activity{} = activity -> {:ok, activity}
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e -> {:error, e}
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end
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end
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end
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@ -9,7 +9,7 @@ defmodule Pleroma.Web.OStatus do
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.{WebFinger, Websub}
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alias Pleroma.Web.OStatus.FollowHandler
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alias Pleroma.Web.OStatus.{FollowHandler, NoteHandler}
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def feed_path(user) do
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"#{user.ap_id}/feed.atom"
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@ -41,9 +41,9 @@ def handle_incoming(xml_string) do
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_ ->
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case object_type do
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'http://activitystrea.ms/schema/1.0/note' ->
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with {:ok, activity} <- handle_note(entry, doc), do: activity
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with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
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'http://activitystrea.ms/schema/1.0/comment' ->
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with {:ok, activity} <- handle_note(entry, doc), do: activity
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with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
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_ ->
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Logger.error("Couldn't parse incoming document")
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nil
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@ -86,12 +86,11 @@ def get_or_build_object(entry) do
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else
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_e ->
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with [object] <- :xmerl_xpath.string('/entry/activity:object', entry) do
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handle_note(object, object)
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NoteHandler.handle_note(object, object)
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end
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end
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end
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def get_or_try_fetching(entry) do
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Logger.debug("Trying to get entry from db")
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with id when not is_nil(id) <- string_from_xpath("//activity:object[1]/id", entry),
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@ -134,6 +133,10 @@ def get_attachments(entry) do
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|> Enum.filter(&(&1))
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end
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@doc """
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Gets the content from a an entry. Will add the cw text to the body for cw'd
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Mastodon notes.
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"""
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def get_content(entry) do
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base_content = string_from_xpath("//content", entry)
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@ -149,85 +152,6 @@ def get_tags(entry) do
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|> Enum.map(fn (category) -> string_from_xpath("/category/@term", category) end)
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end
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def handle_note(entry, doc \\ nil) do
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content_html = get_content(entry)
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[author] = :xmerl_xpath.string('//author[1]', doc)
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{:ok, actor} = find_make_or_update_user(author)
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inReplyTo = string_from_xpath("//thr:in-reply-to[1]/@ref", entry)
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if inReplyTo && !Object.get_cached_by_ap_id(inReplyTo) do
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inReplyToHref = string_from_xpath("//thr:in-reply-to[1]/@href", entry)
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if inReplyToHref do
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fetch_activity_from_html_url(inReplyToHref)
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else
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Logger.debug("Couldn't find a href link to #{inReplyTo}")
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end
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end
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context = (string_from_xpath("//ostatus:conversation[1]", entry) || "") |> String.trim
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attachments = get_attachments(entry)
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context = with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(inReplyTo) do
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context
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else _e ->
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if String.length(context) > 0 do
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context
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else
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Utils.generate_context_id
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end
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end
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tags = get_tags(entry)
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to = [
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"https://www.w3.org/ns/activitystreams#Public",
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User.ap_followers(actor)
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]
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mentions = :xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
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|> Enum.map(fn(person) -> string_from_xpath("@href", person) end)
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to = to ++ mentions
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date = string_from_xpath("//published", entry)
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id = string_from_xpath("//id", entry)
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object = %{
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"id" => id,
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"type" => "Note",
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"to" => to,
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"content" => content_html,
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"published" => date,
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"context" => context,
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"actor" => actor.ap_id,
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"attachment" => attachments,
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"tag" => tags
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}
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object = if inReplyTo do
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replied_to_activity = Activity.get_create_activity_by_object_ap_id(inReplyTo)
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if replied_to_activity do
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object
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|> Map.put("inReplyTo", inReplyTo)
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|> Map.put("inReplyToStatusId", replied_to_activity.id)
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else
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object
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|> Map.put("inReplyTo", inReplyTo)
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end
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else
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object
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end
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# TODO: Bail out sooner and use transaction.
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if Object.get_by_ap_id(id) do
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{:ok, Activity.get_create_activity_by_object_ap_id(id)}
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else
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ActivityPub.create(to, actor, context, object, %{}, date, false)
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end
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end
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def find_make_or_update_user(doc) do
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uri = string_from_xpath("//author/uri[1]", doc)
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with {:ok, user} <- find_or_make_user(uri) do
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@ -51,6 +51,7 @@ def make_content_html(status, mentions, attachments) do
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def make_context(%Activity{data: %{"context" => context}}), do: context
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def make_context(_), do: Utils.generate_context_id
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# TODO: Move this to a more fitting space
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def make_note_data(actor, to, context, content_html, attachments, inReplyTo, tags) do
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object = %{
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"type" => "Note",
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