pleroma/config/config.md

# Configuration

This file describe the configuration, it is recommended to edit the relevant *.secret.exs file instead of the others founds in the ``config`` directory.
If you run Pleroma with ``MIX_ENV=prod`` the file is ``prod.secret.exs``, otherwise it is ``dev.secret.exs``.

## Pleroma.Upload
* `uploader`: Select which `Pleroma.Uploaders` to use
* `filters`: List of `Pleroma.Upload.Filter` to use.
* `base_url`: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host.
* `proxy_remote`: If you're using a remote uploader, Pleroma will proxy media requests instead of redirecting to it.
* `proxy_opts`: Proxy options, see `Pleroma.ReverseProxy` documentation.

Note: `strip_exif` has been replaced by `Pleroma.Upload.Filter.Mogrify`.

## Pleroma.Uploaders.Local
* `uploads`: Which directory to store the user-uploads in, relative to pleroma’s working directory

## Pleroma.Upload.Filter.Mogrify

* `args`: List of actions for the `mogrify` command like `"strip"` or `["strip", {"impode", "1"}]`.

## Pleroma.Upload.Filter.Dedupe

No specific configuration.

## Pleroma.Upload.Filter.AnonymizeFilename

This filter replaces the filename (not the path) of an upload. For complete obfuscation, add
`Pleroma.Upload.Filter.Dedupe` before AnonymizeFilename.

* `text`: Text to replace filenames in links. If empty, `{random}.extension` will be used.

## Pleroma.Mailer
* `adapter`: one of the mail adapters listed in [Swoosh readme](https://github.com/swoosh/swoosh#adapters), or `Swoosh.Adapters.Local` for in-memory mailbox.
* `api_key` / `password` and / or other adapter-specific settings, per the above documentation. 

An example for Sendgrid adapter:

```
config :pleroma, Pleroma.Mailer,
  adapter: Swoosh.Adapters.Sendgrid,
  api_key: "YOUR_API_KEY"
```

An example for SMTP adapter:
```
config :pleroma, Pleroma.Mailer,
  adapter: Swoosh.Adapters.SMTP,
  relay: "smtp.gmail.com",
  username: "YOUR_USERNAME@gmail.com",
  password: "YOUR_SMTP_PASSWORD",
  port: 465,
  ssl: true,
  tls: :always,
  auth: :always
```

## :uri_schemes
* `valid_schemes`: List of the scheme part that is considered valid to be an URL

## :instance
* `name`: The instance’s name
* `email`: Email used to reach an Administrator/Moderator of the instance
* `description`: The instance’s description, can be seen in nodeinfo and ``/api/v1/instance``
* `limit`: Posts character limit (CW/Subject included in the counter)
* `upload_limit`: File size limit of uploads (except for avatar, background, banner)
* `avatar_upload_limit`: File size limit of user’s profile avatars
* `background_upload_limit`: File size limit of user’s profile backgrounds
* `banner_upload_limit`: File size limit of user’s profile banners
* `registrations_open`: Enable registrations for anyone, invitations can be used when false.
* `federating`: Enable federation with other instances
* `allow_relay`: Enable Pleroma’s Relay, which makes it possible to follow a whole instance
* `rewrite_policy`: Message Rewrite Policy, either one or a list. Here are the ones available by default:
  * `Pleroma.Web.ActivityPub.MRF.NoOpPolicy`: Doesn’t modify activities (default)
  * `Pleroma.Web.ActivityPub.MRF.DropPolicy`: Drops all activities. It generally doesn’t makes sense to use in production
  * `Pleroma.Web.ActivityPub.MRF.SimplePolicy`: Restrict the visibility of activities from certains instances (See ``:mrf_simple`` section)
  * `Pleroma.Web.ActivityPub.MRF.RejectNonPublic`: Drops posts with non-public visibility settings (See ``:mrf_rejectnonpublic`` section)
  * `Pleroma.Web.ActivityPub.MRF.EnsureRePrepended`: Rewrites posts to ensure that replies to posts with subjects do not have an identical subject and instead begin with re:.
* `public`: Makes the client API in authentificated mode-only except for user-profiles. Useful for disabling the Local Timeline and The Whole Known Network.
* `quarantined_instances`: List of ActivityPub instances where private(DMs, followers-only) activities will not be send.
* `managed_config`: Whenether the config for pleroma-fe is configured in this config or in ``static/config.json``
* `allowed_post_formats`: MIME-type list of formats allowed to be posted (transformed into HTML)
* `finmoji_enabled`: Whenether to enable the finmojis in the custom emojis.
* `mrf_transparency`: Make the content of your Message Rewrite Facility settings public (via nodeinfo).
* `scope_copy`: Copy the scope (private/unlisted/public) in replies to posts by default.
* `subject_line_behavior`: Allows changing the default behaviour of subject lines in replies. Valid values:
  * "email": Copy and preprend re:, as in email.
  * "masto": Copy verbatim, as in Mastodon.
  * "noop": Don't copy the subject.
* `always_show_subject_input`: When set to false, auto-hide the subject field when it's empty.
* `extended_nickname_format`: Set to `true` to use extended local nicknames format (allows underscores/dashes). This will break federation with
    older software for theses nicknames.

## :fe
This section is used to configure Pleroma-FE, unless ``:managed_config`` in ``:instance`` is set to false.

* `theme`: Which theme to use, they are defined in ``styles.json``
* `logo`: URL of the logo, defaults to Pleroma’s logo
* `logo_mask`: Whenether to mask the logo
* `logo_margin`: What margin to use around the logo
* `background`: URL of the background, unless viewing a user profile with a background that is set
* `redirect_root_no_login`: relative URL which indicates where to redirect when a user isn’t logged in.
* `redirect_root_login`: relative URL which indicates where to redirect when a user is logged in.
* `show_instance_panel`: Whenether to show the instance’s specific panel.
* `scope_options_enabled`: Enable setting an notice visibility and subject/CW when posting
* `formatting_options_enabled`: Enable setting a formatting different than plain-text (ie. HTML, Markdown) when posting, relates to ``:instance, allowed_post_formats``
* `collapse_message_with_subjects`: When a message has a subject(aka Content Warning), collapse it by default
* `hide_post_stats`: Hide notices statistics(repeats, favorites, …)
* `hide_user_stats`: Hide profile statistics(posts, posts per day, followers, followings, …)

## :mrf_simple
* `media_removal`: List of instances to remove medias from
* `media_nsfw`: List of instances to put medias as NSFW(sensitive) from
* `federated_timeline_removal`: List of instances to remove from Federated (aka The Whole Known Network) Timeline
* `reject`: List of instances to reject any activities from
* `accept`: List of instances to accept any activities from

## :mrf_rejectnonpublic
* `allow_followersonly`: whether to allow followers-only posts
* `allow_direct`: whether to allow direct messages

## :media_proxy
* `enabled`: Enables proxying of remote media to the instance’s proxy
* `base_url`: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host/CDN fronts.
* `proxy_opts`: All options defined in `Pleroma.ReverseProxy` documentation, defaults to `[max_body_length: (25*1_048_576)]`.

## :gopher
* `enabled`: Enables the gopher interface
* `ip`: IP address to bind to
* `port`: Port to bind to

## :activitypub
* ``accept_blocks``: Whether to accept incoming block activities from other instances
* ``unfollow_blocked``: Whether blocks result in people getting unfollowed
* ``outgoing_blocks``: Whether to federate blocks to other instances
* ``deny_follow_blocked``: Whether to disallow following an account that has blocked the user in question

## :http_security
* ``enabled``: Whether the managed content security policy is enabled
* ``sts``: Whether to additionally send a `Strict-Transport-Security` header
* ``sts_max_age``: The maximum age for the `Strict-Transport-Security` header if sent
* ``ct_max_age``: The maximum age for the `Expect-CT` header if sent
* ``referrer_policy``: The referrer policy to use, either `"same-origin"` or `"no-referrer"`.

## :mrf_user_allowlist

The keys in this section are the domain names that the policy should apply to.
Each key should be assigned a list of users that should be allowed through by
their ActivityPub ID.

An example:

```
config :pleroma, :mrf_user_allowlist,
  "example.org": ["https://example.org/users/admin"]
```