Add MRF that requires image descriptions

2022-09-14 10:19:23 +01:00 · 2022-09-14 10:19:23 +01:00 · 66445777c0
commit 66445777c0
parent 10a4a2a7e2
1 changed files with 134 additions and 0 deletions
--- a/akkoma/akkoma.patch
+++ b/akkoma/akkoma.patch
@ -1,3 +1,98 @@
+diff --git a/.envrc b/.envrc
+new file mode 100644
+index 000000000..3550a30f2
+--- /dev/null
+++ b/.envrc
+@@ -0,0 +1 @@
+use flake
+diff --git a/.gitignore b/.gitignore
+index 8fa79b68f..f2cc62c76 100644
+--- a/.gitignore
+++ b/.gitignore
+@@ -65,3 +65,5 @@ pleroma.iml
+ 
+ # Generated documentation
+ docs/site
+
+.direnv/
+diff --git a/flake.lock b/flake.lock
+new file mode 100644
+index 000000000..fcb32b26f
+--- /dev/null
+++ b/flake.lock
+@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1663141849,
+        "narHash": "sha256-7c9PePBWzOSgiXiSaocvQ55egmc6tYULmRaRvCyIdqk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8614d1dd20e05abbc7fc7284bb7431c9e5ff2f37",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
+diff --git a/flake.nix b/flake.nix
+new file mode 100644
+index 000000000..4a0cdee4d
+--- /dev/null
+++ b/flake.nix
+@@ -0,0 +1,24 @@
+{
+  description = "Akkoma dev flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system:
+  let pkgs = import nixpkgs { inherit system; };
+  in
+  {
+    formatter = pkgs.alejandra;
+    devShells.default = pkgs.mkShell {
+      buildInputs = with pkgs; [
+        file
+      ];
+      nativeBuildInputs = with pkgs; [
+        elixir
+        cmake
+      ];
+    };
+  });
+}
 diff --git a/lib/mix/migrator.ex b/lib/mix/migrator.ex
 new file mode 100644
 index 000000000..648b0166d
@ -755,6 +850,45 @@ index 000000000..f3894c8ae
 +  end
 +
 +end
+diff --git a/lib/pleroma/web/activity_pub/mrf/require_image_description.ex b/lib/pleroma/web/activity_pub/mrf/require_image_description.ex
+new file mode 100644
+index 000000000..eaa3fe695
+--- /dev/null
+++ b/lib/pleroma/web/activity_pub/mrf/require_image_description.ex
+@@ -0,0 +1,33 @@
+defmodule Pleroma.Web.ActivityPub.MRF.RequireImageDescription do
+  @moduledoc "MRF policy which removes media without image description"
+  @behaviour Pleroma.Web.ActivityPub.MRF.Policy
+
+  def is_valid_attachment(
+    %{"name" => name} = _
+  ), do: is_binary(name) and !String.equivalent?(name, "")
+  def is_valid_attachment(_), do: false
+
+  @impl true
+  def filter(
+    %{"type" => "Create", "object" => %{"attachment" => attachments, "content" => content} = object } = message
+  ) when is_list(attachments) and length(attachments) > 0 and is_binary(content) do
+    old_length = attachments |> length()
+    attachments = attachments |> Enum.filter(fn(attach) -> is_valid_attachment(attach) end)
+    content = if old_length != attachments |> length() do
+      content <> "<br/><emph>This post contained media without content description. Offending media has been removed from this post.</emph>";
+    else
+      content
+    end
+    object = object |> Map.put("content", content) |> Map.put("attachment", attachments)
+    message = message |> Map.put("object", object)
+    {:ok, message}
+  end
+
+  @impl true
+  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe do
+    {:ok, %{mrf_sample: %{content: "<br/><emph>This post contained media without content description. Offending media has been removed from this post.</emph>"}}}
+  end
+end
 diff --git a/mix.exs b/mix.exs
 index ef038ce74..a28d98917 100644
 --- a/mix.exs