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ddd79ff22d
No new path traversal attacks are known. But given the many entrypoints and code flow complexity inside pack.ex, it unfortunately seems possible a future refactor or addition might reintroduce one. Furthermore, some old packs might still contain traversing path entries which could trigger undesireable actions on rename or delete. To ensure this can never happen, assert safety during path construction. Path.safe_relative was introduced in Elixir 1.14, but fortunately, we already require at least 1.14 anyway.
102 lines
2.9 KiB
Elixir
102 lines
2.9 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Emoji.PackTest do
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use Pleroma.DataCase, async: false
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alias Pleroma.Emoji.Pack
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@static_dir Pleroma.Config.get!([:instance, :static_dir])
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@emoji_path Path.join(
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Pleroma.Config.get!([:instance, :static_dir]),
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"emoji"
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)
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setup do
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pack_path = Path.join(@emoji_path, "dump_pack")
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File.mkdir_p!(pack_path)
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clear_config([:instance, :static_dir], @static_dir)
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File.write!(Path.join(pack_path, "pack.json"), """
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{
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"files": { },
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"pack": {
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"description": "Dump pack", "homepage": "https://pleroma.social",
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"license": "Test license", "share-files": true
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}}
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""")
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{:ok, pack} = Pleroma.Emoji.Pack.load_pack("dump_pack")
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on_exit(fn ->
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File.rm_rf!(pack_path)
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end)
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{:ok, pack: pack}
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end
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describe "add_file/4" do
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test "add emojis from zip file", %{pack: pack} do
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file = %Plug.Upload{
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content_type: "application/zip",
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filename: "emojis.zip",
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path: Path.absname("test/fixtures/emojis.zip")
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}
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{:ok, updated_pack} = Pack.add_file(pack, nil, nil, file)
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assert updated_pack.files == %{
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"a_trusted_friend-128" => "128px/a_trusted_friend-128.png",
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"auroraborealis" => "auroraborealis.png",
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"baby_in_a_box" => "1000px/baby_in_a_box.png",
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"bear" => "1000px/bear.png",
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"bear-128" => "128px/bear-128.png"
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}
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assert updated_pack.files_count == 5
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end
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end
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test "returns error when zip file is bad", %{pack: pack} do
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file = %Plug.Upload{
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content_type: "application/zip",
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filename: "emojis.zip",
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path: Path.absname("test/instance_static/emoji/test_pack/blank.png")
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}
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assert Pack.add_file(pack, nil, nil, file) == {:error, :einval}
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end
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test "returns pack when zip file is empty", %{pack: pack} do
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file = %Plug.Upload{
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content_type: "application/zip",
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filename: "emojis.zip",
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path: Path.absname("test/fixtures/empty.zip")
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}
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{:ok, updated_pack} = Pack.add_file(pack, nil, nil, file)
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assert updated_pack == pack
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end
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test "add emoji file", %{pack: pack} do
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file = %Plug.Upload{
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filename: "blank.png",
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path: "#{@emoji_path}/test_pack/blank.png"
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}
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{:ok, updated_pack} = Pack.add_file(pack, "test_blank", "test_blank.png", file)
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assert updated_pack.files == %{
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"test_blank" => "test_blank.png"
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}
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assert updated_pack.files_count == 1
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end
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test "load_pack/1 panics on path traversal in a forged pack name" do
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assert_raise(RuntimeError, "Invalid or malicious pack name: ../../../../../dump_pack", fn ->
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Pack.load_pack("../../../../../dump_pack")
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end)
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end
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end
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