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Merge branch 'fix/mrf-sample-doc' into 'develop'

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Update MRF docs, make sample code actually compile

See merge request pleroma/pleroma!2210
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feld 2020-02-18 21:03:01 +00:00
parent 3416948cdf 53a7680c16
commit 3b78695c98
1 changed files with 14 additions and 7 deletions
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21
docs/configuration/mrf.md
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@ -76,16 +76,18 @@ As discussed above, the MRF system is a modular system that supports pluggable p
For example, here is a sample policy module which rewrites all messages to "new message content":
```elixir
# This is a sample MRF policy which rewrites all Notes to have "new message
# content."
defmodule Site.RewritePolicy do
@behavior Pleroma.Web.ActivityPub.MRF
defmodule Pleroma.Web.ActivityPub.MRF.RewritePolicy do
@moduledoc "MRF policy which rewrites all Notes to have 'new message content'."
@behaviour Pleroma.Web.ActivityPub.MRF
# Catch messages which contain Note objects with actual data to filter.
# Capture the object as `object`, the message content as `content` and the
# message itself as `message`.
@impl true
def filter(%{"type" => "Create", "object" => {"type" => "Note", "content" => content} = object} = message)
def filter(
%{"type" => "Create", "object" => %{"type" => "Note", "content" => content} = object} =
message
)
when is_binary(content) do
# Subject / CW is stored as summary instead of `name` like other AS2 objects
# because of Mastodon doing it that way.
@ -108,16 +110,21 @@ defmodule Site.RewritePolicy do
# Let all other messages through without modifying them.
@impl true
def filter(message), do: {:ok, message}
@impl true
def describe do
{:ok, %{mrf_sample: %{content: "new message content"}}}`
end
end
```
If you save this file as `lib/site/mrf/rewrite_policy.ex`, it will be included when you next rebuild Pleroma. You can enable it in the configuration like so:
If you save this file as `lib/pleroma/web/activity_pub/mrf/rewrite_policy.ex`, it will be included when you next rebuild Pleroma. You can enable it in the configuration like so:
```elixir
config :pleroma, :instance,
rewrite_policy: [
Pleroma.Web.ActivityPub.MRF.SimplePolicy,
Site.RewritePolicy
Pleroma.Web.ActivityPub.MRF.RewritePolicy
]
```