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Fix MRF documentation

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Egor Kislitsyn 2020-02-07 22:17:08 +04:00
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14
docs/configuration/mrf.md
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@ -1,4 +1,5 @@
# Message Rewrite Facility
The Message Rewrite Facility (MRF) is a subsystem that is implemented as a series of hooks that allows the administrator to rewrite or discard messages.
Possible uses include:
@ -11,6 +12,7 @@ Possible uses include:
* sending only public messages to a specific instance
The MRF provides user-configurable policies. The default policy is `NoOpPolicy`, which disables the MRF functionality. Pleroma also includes an easy to use policy called `SimplePolicy` which maps messages matching certain pre-defined criterion to actions built into the policy module.
It is possible to use multiple, active MRF policies at the same time.
## Quarantine Instances
@ -18,7 +20,8 @@ It is possible to use multiple, active MRF policies at the same time.
You have the ability to prevent from private / followers-only messages from federating with specific instances. Which means they will only get the public or unlisted messages from your instance.
If, for example, you're using `MIX_ENV=prod` aka using production mode, you would open your configuration file located in `config/prod.secret.exs` and edit or add the option under your `:instance` config object. Then you would specify the instance within quotes.
```
```elixir
config :pleroma, :instance,
[...]
quarantined_instances: ["instance.example", "other.example"]
@ -30,7 +33,7 @@ config :pleroma, :instance,
To use `SimplePolicy`, you must enable it. Do so by adding the following to your `:instance` config object, so that it looks like this:
```
```elixir
config :pleroma, :instance,
[...]
rewrite_policy: Pleroma.Web.ActivityPub.MRF.SimplePolicy
@ -50,7 +53,7 @@ Servers should be configured as lists.
This example will enable `SimplePolicy`, block media from `illegalporn.biz`, mark media as NSFW from `porn.biz` and `porn.business`, reject messages from `spam.com`, remove messages from `spam.university` from the federated timeline and block reports (flags) from `whiny.whiner`:
```
```elixir
config :pleroma, :instance,
rewrite_policy: [Pleroma.Web.ActivityPub.MRF.SimplePolicy]
@ -60,7 +63,6 @@ config :pleroma, :mrf_simple,
reject: ["spam.com"],
federated_timeline_removal: ["spam.university"],
report_removal: ["whiny.whiner"]
```
### Use with Care
@ -83,7 +85,7 @@ defmodule Site.RewritePolicy do
# 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.
@ -111,7 +113,7 @@ 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:
```
```elixir
config :pleroma, :instance,
rewrite_policy: [
Pleroma.Web.ActivityPub.MRF.SimplePolicy,