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https://github.com/bonfire-networks/activity_pub
Modular ActivityPub library in Elixir
https://github.com/bonfire-networks/activity_pub
extension
Last synced: about 2 months ago
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Modular ActivityPub library in Elixir
- Host: GitHub
- URL: https://github.com/bonfire-networks/activity_pub
- Owner: bonfire-networks
- License: agpl-3.0
- Created: 2020-07-20T08:39:12.000Z (about 4 years ago)
- Default Branch: develop
- Last Pushed: 2024-04-14T19:04:07.000Z (5 months ago)
- Last Synced: 2024-04-22T04:38:21.362Z (5 months ago)
- Topics: extension
- Language: Elixir
- Homepage:
- Size: 833 KB
- Stars: 71
- Watchers: 10
- Forks: 8
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGES.md
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README
# ActivityPub
ActivityPub Library for elixir.
**WORK IN PROGRESS, TESTING FEDERATION WITH DIFFERENT IMPLEMENTATIONS IS UNDERWAY**
## Installation
1. Add this library to your dependencies in `mix.exs`
```
defp deps do
[...]
{:activity_pub, git: "https://github.com/bonfire-networks/activity_pub.git", branch: "stable"} # branch can "stable", or "develop" for the bleeding edge
end
```
2. Create an adapter module. To start, one created at
`lib/my_app/adapter.ex` might look like
```elixir
defmodule MyApp.Adapter do
@moduledoc """
Adapter functions delegated from the `ActivityPub` Library
"""
@behaviour ActivityPub.Federator.Adapter
end
```
Note that, due to the defined `@behavior`, Elixir will warn you that
the required functions
* `base_url/0`
* `get_actor_by_id/1`
* `get_actor_by_username/1`
* `get_follower_local_ids/1`
* `get_following_local_ids/1`
* `get_redirect_url/1`
* `handle_activity/1`
* `maybe_create_remote_actor/1`
* `maybe_publish_object/2`
* `update_local_actor/2`
* `update_remote_actor/1`
have not yet been implemented though you will be able to start your
app. Defining these allows `ActivityPub` to handle ActivityPub HTTP
and database calls and operations. An example of an implemented
adaptor can be found
[here](https://github.com/bonfire-networks/bonfire_federate_activitypub/tree/main/lib/adapter
"Link to file hosted on GitHub").
Then set it in config
```
config :activity_pub, :adapter, MyApp.Adapter
```
3. Set your application repo in config
```
config :activity_pub, :repo, MyApp.Repo
```
4. Create a new ecto migration and call `ActivityPub.Migration.up/0` from it
5. Inject AP routes to your router by adding `use ActivityPub.Web.Router` to your app's router module
6. Copy the default AP config to your app's confix.exs
```
config :activity_pub, :mrf_simple,
media_removal: [],
media_nsfw: [],
report_removal: [],
accept: [],
avatar_removal: [],
banner_removal: []
config :activity_pub, :instance,
hostname: "example.com",
federation_publisher_modules: [ActivityPub.Federator.APPublisher],
federation_reachability_timeout_days: 7,
federating: true,
rewrite_policy: []
config :activity_pub, :http,
proxy_url: nil,
user_agent: "Your app name",
send_user_agent: true,
adapter: [
ssl_options: [
# Workaround for remote server certificate chain issues
partial_chain: &:hackney_connect.partial_chain/1,
# We don't support TLS v1.3 yet
versions: [:tlsv1, :"tlsv1.1", :"tlsv1.2"]
]
]
```
7. Change the hostname value in the instance config block to your instance's hostname
8. If you don't already have Oban set up, follow the [Oban installation intructions](https://hexdocs.pm/oban/installation.html#content) and add the AP queues:
```
config :my_app, Oban, queues: [federator_incoming: 50, federator_outgoing: 50, remote_fetcher: 20]
```
Now you should be able to compile and run your app and move over to integration.