diff --git a/changelog.d/add-ipfs-upload.add b/changelog.d/add-ipfs-upload.add new file mode 100644 index 000000000..0cd1f2858 --- /dev/null +++ b/changelog.d/add-ipfs-upload.add @@ -0,0 +1 @@ +Uploader: Add support for uploading attachments using IPFS diff --git a/config/config.exs b/config/config.exs index 8b9a588b7..fef3910fb 100644 --- a/config/config.exs +++ b/config/config.exs @@ -82,6 +82,10 @@ config :ex_aws, :s3, # region: "us-east-1", # may be required for Amazon AWS scheme: "https://" +config :pleroma, Pleroma.Uploaders.IPFS, + post_gateway_url: nil, + get_gateway_url: nil + config :pleroma, :emoji, shortcode_globs: ["/emoji/custom/**/*.png"], pack_extensions: [".png", ".gif"], diff --git a/config/description.exs b/config/description.exs index 9cc3d469e..e16abfc42 100644 --- a/config/description.exs +++ b/config/description.exs @@ -136,6 +136,31 @@ config :pleroma, :config_description, [ } ] }, + %{ + group: :pleroma, + key: Pleroma.Uploaders.IPFS, + type: :group, + description: "IPFS uploader-related settings", + children: [ + %{ + key: :get_gateway_url, + type: :string, + description: "GET Gateway URL", + suggestions: [ + "https://ipfs.mydomain.com/{CID}", + "https://{CID}.ipfs.mydomain.com/" + ] + }, + %{ + key: :post_gateway_url, + type: :string, + description: "POST Gateway URL", + suggestions: [ + "http://localhost:5001/" + ] + } + ] + }, %{ group: :pleroma, key: Pleroma.Uploaders.S3, diff --git a/config/test.exs b/config/test.exs index 9b4113dd5..3345bb3a9 100644 --- a/config/test.exs +++ b/config/test.exs @@ -153,6 +153,7 @@ config :pleroma, Pleroma.Uploaders.S3, config_impl: Pleroma.UnstubbedConfigMock config :pleroma, Pleroma.Upload, config_impl: Pleroma.UnstubbedConfigMock config :pleroma, Pleroma.ScheduledActivity, config_impl: Pleroma.UnstubbedConfigMock config :pleroma, Pleroma.Web.RichMedia.Helpers, config_impl: Pleroma.StaticStubbedConfigMock +config :pleroma, Pleroma.Uploaders.IPFS, config_impl: Pleroma.UnstubbedConfigMock peer_module = if String.to_integer(System.otp_release()) >= 25 do diff --git a/docs/configuration/cheatsheet.md b/docs/configuration/cheatsheet.md index 89a461b47..ca2ce6369 100644 --- a/docs/configuration/cheatsheet.md +++ b/docs/configuration/cheatsheet.md @@ -661,6 +661,19 @@ config :ex_aws, :s3, host: "s3.eu-central-1.amazonaws.com" ``` +#### Pleroma.Uploaders.IPFS + +* `post_gateway_url`: URL with port of POST Gateway (unauthenticated) +* `get_gateway_url`: URL of public GET Gateway + +Example: + +```elixir +config :pleroma, Pleroma.Uploaders.IPFS, + post_gateway_url: "http://localhost:5001", + get_gateway_url: "http://{CID}.ipfs.mydomain.com" +``` + ### Upload filters #### Pleroma.Upload.Filter.AnonymizeFilename diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex index e6c484548..35c7c02a5 100644 --- a/lib/pleroma/upload.ex +++ b/lib/pleroma/upload.ex @@ -239,8 +239,12 @@ defmodule Pleroma.Upload do "" end - [base_url, path] - |> Path.join() + if String.contains?(base_url, Pleroma.Uploaders.IPFS.placeholder()) do + String.replace(base_url, Pleroma.Uploaders.IPFS.placeholder(), path) + else + [base_url, path] + |> Path.join() + end end defp url_from_spec(_upload, _base_url, {:url, url}), do: url @@ -277,6 +281,9 @@ defmodule Pleroma.Upload do Path.join([upload_base_url, bucket_with_namespace]) end + Pleroma.Uploaders.IPFS -> + @config_impl.get([Pleroma.Uploaders.IPFS, :get_gateway_url]) + _ -> public_endpoint || upload_base_url || Pleroma.Web.Endpoint.url() <> "/media/" end diff --git a/lib/pleroma/uploaders/ipfs.ex b/lib/pleroma/uploaders/ipfs.ex new file mode 100644 index 000000000..d171e4652 --- /dev/null +++ b/lib/pleroma/uploaders/ipfs.ex @@ -0,0 +1,77 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2022 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Uploaders.IPFS do + @behaviour Pleroma.Uploaders.Uploader + require Logger + + alias Tesla.Multipart + + @config_impl Application.compile_env(:pleroma, [__MODULE__, :config_impl], Pleroma.Config) + + defp get_final_url(method) do + config = @config_impl.get([__MODULE__]) + post_base_url = Keyword.get(config, :post_gateway_url) + + Path.join([post_base_url, method]) + end + + def put_file_endpoint do + get_final_url("/api/v0/add") + end + + def delete_file_endpoint do + get_final_url("/api/v0/files/rm") + end + + @placeholder "{CID}" + def placeholder, do: @placeholder + + @impl true + def get_file(file) do + b_url = Pleroma.Upload.base_url() + + if String.contains?(b_url, @placeholder) do + {:ok, {:url, String.replace(b_url, @placeholder, URI.decode(file))}} + else + {:error, "IPFS Get URL doesn't contain 'cid' placeholder"} + end + end + + @impl true + def put_file(%Pleroma.Upload{} = upload) do + mp = + Multipart.new() + |> Multipart.add_content_type_param("charset=utf-8") + |> Multipart.add_file(upload.tempfile) + + case Pleroma.HTTP.post(put_file_endpoint(), mp, [], params: ["cid-version": "1"]) do + {:ok, ret} -> + case Jason.decode(ret.body) do + {:ok, ret} -> + if Map.has_key?(ret, "Hash") do + {:ok, {:file, ret["Hash"]}} + else + {:error, "JSON doesn't contain Hash key"} + end + + error -> + Logger.error("#{__MODULE__}: #{inspect(error)}") + {:error, "JSON decode failed"} + end + + error -> + Logger.error("#{__MODULE__}: #{inspect(error)}") + {:error, "IPFS Gateway upload failed"} + end + end + + @impl true + def delete_file(file) do + case Pleroma.HTTP.post(delete_file_endpoint(), "", [], params: [arg: file]) do + {:ok, %{status: 204}} -> :ok + error -> {:error, inspect(error)} + end + end +end diff --git a/test/pleroma/uploaders/ipfs_test.exs b/test/pleroma/uploaders/ipfs_test.exs new file mode 100644 index 000000000..cf325b54f --- /dev/null +++ b/test/pleroma/uploaders/ipfs_test.exs @@ -0,0 +1,158 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2022 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Uploaders.IPFSTest do + use Pleroma.DataCase + + alias Pleroma.Uploaders.IPFS + alias Tesla.Multipart + + import ExUnit.CaptureLog + import Mock + import Mox + + alias Pleroma.UnstubbedConfigMock, as: Config + + describe "get_final_url" do + setup do + Config + |> expect(:get, fn [Pleroma.Uploaders.IPFS] -> + [post_gateway_url: "http://localhost:5001"] + end) + + :ok + end + + test "it returns the final url for put_file" do + assert IPFS.put_file_endpoint() == "http://localhost:5001/api/v0/add" + end + + test "it returns the final url for delete_file" do + assert IPFS.delete_file_endpoint() == "http://localhost:5001/api/v0/files/rm" + end + end + + describe "get_file/1" do + setup do + Config + |> expect(:get, fn [Pleroma.Upload, :uploader] -> Pleroma.Uploaders.IPFS end) + |> expect(:get, fn [Pleroma.Upload, :base_url] -> nil end) + |> expect(:get, fn [Pleroma.Uploaders.IPFS, :public_endpoint] -> nil end) + + :ok + end + + test "it returns path to ipfs file with cid as subdomain" do + Config + |> expect(:get, fn [Pleroma.Uploaders.IPFS, :get_gateway_url] -> + "https://{CID}.ipfs.mydomain.com" + end) + + assert IPFS.get_file("testcid") == { + :ok, + {:url, "https://testcid.ipfs.mydomain.com"} + } + end + + test "it returns path to ipfs file with cid as path" do + Config + |> expect(:get, fn [Pleroma.Uploaders.IPFS, :get_gateway_url] -> + "https://ipfs.mydomain.com/ipfs/{CID}" + end) + + assert IPFS.get_file("testcid") == { + :ok, + {:url, "https://ipfs.mydomain.com/ipfs/testcid"} + } + end + end + + describe "put_file/1" do + setup do + Config + |> expect(:get, fn [Pleroma.Uploaders.IPFS] -> + [post_gateway_url: "http://localhost:5001"] + end) + + file_upload = %Pleroma.Upload{ + name: "image-tet.jpg", + content_type: "image/jpeg", + path: "test_folder/image-tet.jpg", + tempfile: Path.absname("test/instance_static/add/shortcode.png") + } + + mp = + Multipart.new() + |> Multipart.add_content_type_param("charset=utf-8") + |> Multipart.add_file(file_upload.tempfile) + + [file_upload: file_upload, mp: mp] + end + + test "save file", %{file_upload: file_upload} do + with_mock Pleroma.HTTP, + post: fn "http://localhost:5001/api/v0/add", _mp, [], params: ["cid-version": "1"] -> + {:ok, + %Tesla.Env{ + status: 200, + body: + "{\"Name\":\"image-tet.jpg\",\"Size\":\"5000\", \"Hash\":\"bafybeicrh7ltzx52yxcwrvxxckfmwhqdgsb6qym6dxqm2a4ymsakeshwoi\"}" + }} + end do + assert IPFS.put_file(file_upload) == + {:ok, {:file, "bafybeicrh7ltzx52yxcwrvxxckfmwhqdgsb6qym6dxqm2a4ymsakeshwoi"}} + end + end + + test "returns error", %{file_upload: file_upload} do + with_mock Pleroma.HTTP, + post: fn "http://localhost:5001/api/v0/add", _mp, [], params: ["cid-version": "1"] -> + {:error, "IPFS Gateway upload failed"} + end do + assert capture_log(fn -> + assert IPFS.put_file(file_upload) == {:error, "IPFS Gateway upload failed"} + end) =~ "Elixir.Pleroma.Uploaders.IPFS: {:error, \"IPFS Gateway upload failed\"}" + end + end + + test "returns error if JSON decode fails", %{file_upload: file_upload} do + with_mock Pleroma.HTTP, [], + post: fn "http://localhost:5001/api/v0/add", _mp, [], params: ["cid-version": "1"] -> + {:ok, %Tesla.Env{status: 200, body: "invalid"}} + end do + assert capture_log(fn -> + assert IPFS.put_file(file_upload) == {:error, "JSON decode failed"} + end) =~ + "Elixir.Pleroma.Uploaders.IPFS: {:error, %Jason.DecodeError" + end + end + + test "returns error if JSON body doesn't contain Hash key", %{file_upload: file_upload} do + with_mock Pleroma.HTTP, [], + post: fn "http://localhost:5001/api/v0/add", _mp, [], params: ["cid-version": "1"] -> + {:ok, %Tesla.Env{status: 200, body: "{\"key\": \"value\"}"}} + end do + assert IPFS.put_file(file_upload) == {:error, "JSON doesn't contain Hash key"} + end + end + end + + describe "delete_file/1" do + setup do + Config + |> expect(:get, fn [Pleroma.Uploaders.IPFS] -> + [post_gateway_url: "http://localhost:5001"] + end) + + :ok + end + + test_with_mock "deletes file", Pleroma.HTTP, + post: fn "http://localhost:5001/api/v0/files/rm", "", [], params: [arg: "image.jpg"] -> + {:ok, %{status: 204}} + end do + assert :ok = IPFS.delete_file("image.jpg") + end + end +end