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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioVideoValidator do
use Ecto.Schema
alias Pleroma.EarmarkRenderer
alias Pleroma.EctoType.ActivityPub.ObjectValidators
alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
alias Pleroma.Web.ActivityPub.Transmogrifier
import Ecto.Changeset
@primary_key false
@derive Jason.Encoder
embedded_schema do
field(:id, ObjectValidators.ObjectID, primary_key: true)
field(:to, ObjectValidators.Recipients, default: [])
field(:cc, ObjectValidators.Recipients, default: [])
field(:bto, ObjectValidators.Recipients, default: [])
field(:bcc, ObjectValidators.Recipients, default: [])
# TODO: Write type
field(:tag, {:array, :map}, default: [])
field(:type, :string)
field(:name, :string)
field(:summary, :string)
field(:content, :string)
field(:context, :string)
# short identifier for PleromaFE to group statuses by context
field(:context_id, :integer)
# TODO: Remove actor on objects
field(:actor, ObjectValidators.ObjectID)
field(:attributedTo, ObjectValidators.ObjectID)
field(:published, ObjectValidators.DateTime)
field(:emoji, ObjectValidators.Emoji, default: %{})
field(:sensitive, :boolean, default: false)
embeds_many(:attachment, AttachmentValidator)
field(:replies_count, :integer, default: 0)
field(:like_count, :integer, default: 0)
field(:announcement_count, :integer, default: 0)
field(:inReplyTo, ObjectValidators.ObjectID)
field(:url, ObjectValidators.Uri)
field(:likes, {:array, ObjectValidators.ObjectID}, default: [])
field(:announcements, {:array, ObjectValidators.ObjectID}, default: [])
end
def cast_and_apply(data) do
data
|> cast_data
|> apply_action(:insert)
end
def cast_and_validate(data) do
data
|> cast_data()
|> validate_data()
end
def cast_data(data) do
%__MODULE__{}
|> changeset(data)
end
defp fix_url(%{"url" => url} = data) when is_list(url) do
attachment =
Enum.find(url, fn x ->
mime_type = x["mimeType"] || x["mediaType"] || ""
is_map(x) and String.starts_with?(mime_type, ["video/", "audio/"])
end)
link_element =
Enum.find(url, fn x ->
mime_type = x["mimeType"] || x["mediaType"] || ""
is_map(x) and mime_type == "text/html"
end)
data
|> Map.put("attachment", [attachment])
|> Map.put("url", link_element["href"])
end
defp fix_url(data), do: data
defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = data)
when is_binary(content) do
content =
content
|> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer})
|> Pleroma.HTML.filter_tags()
Map.put(data, "content", content)
end
defp fix_content(data), do: data
defp fix(data) do
data
|> CommonFixes.fix_defaults()
|> CommonFixes.fix_attribution()
|> CommonFixes.fix_actor()
|> Transmogrifier.fix_emoji()
|> fix_url()
|> fix_content()
end
def changeset(struct, data) do
data = fix(data)
struct
|> cast(data, __schema__(:fields) -- [:attachment])
|> cast_embed(:attachment)
end
def validate_data(data_cng) do
data_cng
|> validate_inclusion(:type, ["Audio", "Video"])
|> validate_required([:id, :actor, :attributedTo, :type, :context, :attachment])
|> CommonValidations.validate_any_presence([:cc, :to])
|> CommonValidations.validate_fields_match([:actor, :attributedTo])
|> CommonValidations.validate_actor_presence()
|> CommonValidations.validate_host_match()
end
end
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