# Pleroma: A lightweight social networking server
-# Copyright _ 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright _ 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.RichMedia.Helpers do
alias Pleroma.Activity
+ alias Pleroma.Config
alias Pleroma.HTML
alias Pleroma.Object
alias Pleroma.Web.RichMedia.Parser
- @private_ip_regexp ~r/(127\.)|(10\.\d+\.\d+.\d+)|(192\.168\.)
- |(^172\.1[6-9]\.)|(^172\.2[0-9]\.)|(^172\.3[0-1]\.)|(localhost)/
-
+ @spec validate_page_url(URI.t() | binary()) :: :ok | :error
defp validate_page_url(page_url) when is_binary(page_url) do
validate_tld = Application.get_env(:auto_linker, :opts)[:validate_tld]
+ page_url
+ |> AutoLinker.Parser.url?(scheme: true, validate_tld: validate_tld)
+ |> parse_uri(page_url)
+ end
+
+ defp validate_page_url(%URI{host: host, scheme: "https", authority: authority})
+ when is_binary(authority) do
cond do
- Regex.match?(@private_ip_regexp, page_url) ->
+ host in Config.get([:rich_media, :ignore_hosts], []) ->
:error
- AutoLinker.Parser.url?(page_url, scheme: true, validate_tld: validate_tld) ->
- URI.parse(page_url) |> validate_page_url
+ get_tld(host) in Config.get([:rich_media, :ignore_tld], []) ->
+ :error
true ->
- :error
+ :ok
end
end
- defp validate_page_url(%URI{authority: nil}), do: :error
- defp validate_page_url(%URI{scheme: nil}), do: :error
- defp validate_page_url(%URI{}), do: :ok
defp validate_page_url(_), do: :error
+ defp parse_uri(true, url) do
+ url
+ |> URI.parse()
+ |> validate_page_url
+ end
+
+ defp parse_uri(_, _), do: :error
+
+ defp get_tld(host) do
+ host
+ |> String.split(".")
+ |> Enum.reverse()
+ |> hd
+ end
+
def fetch_data_for_activity(%Activity{data: %{"type" => "Create"}} = activity) do
- with true <- Pleroma.Config.get([:rich_media, :enabled]),
+ with true <- Config.get([:rich_media, :enabled]),
%Object{} = object <- Object.normalize(activity),
false <- object.data["sensitive"] || false,
{:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
def fetch_data_for_activity(_), do: %{}
- def perform(:fetch, %Activity{} = activity), do: fetch_data_for_activity(activity)
+ def perform(:fetch, %Activity{} = activity) do
+ fetch_data_for_activity(activity)
+ :ok
+ end
end