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# Configuration Cheat Sheet

This is a cheat sheet for Pleroma configuration file, any setting possible to configure should be listed here.

Pleroma configuration works by first importing the base config (`config/config.exs` on source installs, compiled-in on OTP releases), then overriding it by the environment config (`config/$MIX_ENV.exs` on source installs, N/A to OTP releases) and then overriding it by user config (`config/$MIX_ENV.secret.exs` on source installs, typically `/etc/pleroma/config.exs` on OTP releases).

You shouldn't edit the base config directly to avoid breakages and merge conflicts, but it can be used as a reference if you don't understand how an option is supposed to be formatted, the latest version of it can be viewed [here](https://git.pleroma.social/pleroma/pleroma/blob/develop/config/config.exs).
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## :instance
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* `name`: The instance’s name.
* `email`: Email used to reach an Administrator/Moderator of the instance.
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* `notify_email`: Email used for notifications.
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* `description`: The instance’s description, can be seen in nodeinfo and ``/api/v1/instance``.
* `limit`: Posts character limit (CW/Subject included in the counter).
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* `chat_limit`: Character limit of the instance chat messages.
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* `remote_limit`: Hard character limit beyond which remote posts will be dropped.
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* `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.
* `poll_limits`: A map with poll limits for **local** polls.
    * `max_options`: Maximum number of options.
    * `max_option_chars`: Maximum number of characters per option.
    * `min_expiration`: Minimum expiration time (in seconds).
    * `max_expiration`: Maximum expiration time (in seconds).
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* `registrations_open`: Enable registrations for anyone, invitations can be enabled when false.
* `invites_enabled`: Enable user invitations for admins (depends on `registrations_open: false`).
* `account_activation_required`: Require users to confirm their emails before signing in.
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* `federating`: Enable federation with other instances.
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* `federation_incoming_replies_max_depth`: Max. depth of reply-to activities fetching on incoming federation, to prevent out-of-memory situations while fetching very long threads. If set to `nil`, threads of any depth will be fetched. Lower this value if you experience out-of-memory crashes.
* `federation_reachability_timeout_days`: Timeout (in days) of each external federation target being unreachable prior to pausing federating to it.
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* `allow_relay`: Enable Pleroma’s Relay, which makes it possible to follow a whole instance.
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* `rewrite_policy`: Message Rewrite Policy, either one or a list. Here are the ones available by default:
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    * `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`](#mrf_simple)).
    * `Pleroma.Web.ActivityPub.MRF.TagPolicy`: Applies policies to individual users based on tags, which can be set using pleroma-fe/admin-fe/any other app that supports Pleroma Admin API. For example it allows marking posts from individual users nsfw (sensitive).
    * `Pleroma.Web.ActivityPub.MRF.SubchainPolicy`: Selectively runs other MRF policies when messages match (See [`:mrf_subchain`](#mrf_subchain)).
    * `Pleroma.Web.ActivityPub.MRF.RejectNonPublic`: Drops posts with non-public visibility settings (See [`:mrf_rejectnonpublic`](#mrf_rejectnonpublic)).
    * `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:.
    * `Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy`: Rejects posts from likely spambots by rejecting posts from new users that contain links.
    * `Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`: Crawls attachments using their MediaProxy URLs so that the MediaProxy cache is primed.
    * `Pleroma.Web.ActivityPub.MRF.MentionPolicy`: Drops posts mentioning configurable users. (See [`:mrf_mention`](#mrf_mention)).
    * `Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`: Restricts activities to a configured set of vocabulary. (See [`:mrf_vocabulary`](#mrf_vocabulary)).
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    * `Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy`: Rejects or delists posts based on their age when received. (See [`:mrf_object_age`](#mrf_object_age)).
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* `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.
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* `managed_config`: Whenether the config for pleroma-fe is configured in [:frontend_configurations](#frontend_configurations) or in ``static/config.json``.
* `allowed_post_formats`: MIME-type list of formats allowed to be posted (transformed into HTML).
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* `mrf_transparency`: Make the content of your Message Rewrite Facility settings public (via nodeinfo).
* `mrf_transparency_exclusions`: Exclude specific instance names from MRF transparency.  The use of the exclusions feature will be disclosed in nodeinfo as a boolean value.
* `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.
* `max_pinned_statuses`: The maximum number of pinned statuses. `0` will disable the feature.
* `autofollowed_nicknames`: Set to nicknames of (local) users that every new user should automatically follow.
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* `no_attachment_links`: Set to true to disable automatically adding attachment link text to statuses.
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* `welcome_message`: A message that will be send to a newly registered users as a direct message.
* `welcome_user_nickname`: The nickname of the local user that sends the welcome message.
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* `max_report_comment_size`: The maximum size of the report comment (Default: `1000`).
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* `safe_dm_mentions`: If set to true, only mentions at the beginning of a post will be used to address people in direct messages. This is to prevent accidental mentioning of people when talking about them (e.g. "@friend hey i really don't like @enemy"). Default: `false`.
* `healthcheck`: If set to true, system data will be shown on ``/api/pleroma/healthcheck``.
* `remote_post_retention_days`: The default amount of days to retain remote posts when pruning the database.
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* `user_bio_length`: A user bio maximum length (default: `5000`).
* `user_name_length`: A user name maximum length (default: `100`).
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* `skip_thread_containment`: Skip filter out broken threads. The default is `false`.
* `limit_to_local_content`: Limit unauthenticated users to search for local statutes and users only. Possible values: `:unauthenticated`, `:all` and `false`. The default is `:unauthenticated`.
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* `max_account_fields`: The maximum number of custom fields in the user profile (default: `10`).
* `max_remote_account_fields`: The maximum number of custom fields in the remote user profile (default: `20`).
* `account_field_name_length`: An account field name maximum length (default: `512`).
* `account_field_value_length`: An account field value maximum length (default: `2048`).
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* `external_user_synchronization`: Enabling following/followers counters synchronization for external users.

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!!! danger
    This is a Work In Progress, not usable just yet

* `dynamic_configuration`: Allow transferring configuration to DB with the subsequent customization from Admin api.

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## Federation
### MRF policies
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!!! note
    Configuring MRF policies is not enough for them to take effect. You have to enable them by specifying their module in `rewrite_policy` under [:instance](#instance) section.

#### :mrf_simple
* `media_removal`: List of instances to remove media from.
* `media_nsfw`: List of instances to put media 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.
* `report_removal`: List of instances to reject reports from.
* `avatar_removal`: List of instances to strip avatars from.
* `banner_removal`: List of instances to strip banners from.

#### :mrf_subchain
This policy processes messages through an alternate pipeline when a given message matches certain criteria.
All criteria are configured as a map of regular expressions to lists of policy modules.
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* `match_actor`: Matches a series of regular expressions against the actor field.
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Example:
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```elixir
config :pleroma, :mrf_subchain,
  match_actor: %{
    ~r/https:\/\/example.com/s => [Pleroma.Web.ActivityPub.MRF.DropPolicy]
  }
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```

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#### :mrf_rejectnonpublic
* `allow_followersonly`: whether to allow followers-only posts.
* `allow_direct`: whether to allow direct messages.
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#### :mrf_hellthread
* `delist_threshold`: Number of mentioned users after which the message gets delisted (the message can still be seen, but it will not show up in public timelines and mentioned users won't get notifications about it). Set to 0 to disable.
* `reject_threshold`: Number of mentioned users after which the messaged gets rejected. Set to 0 to disable.
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#### :mrf_keyword
* `reject`: A list of patterns which result in message being rejected, each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
* `federated_timeline_removal`: A list of patterns which result in message being removed from federated timelines (a.k.a unlisted), each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
* `replace`: A list of tuples containing `{pattern, replacement}`, `pattern` can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html).
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#### :mrf_mention
* `actors`: A list of actors, for which to drop any posts mentioning.
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#### :mrf_vocabulary
* `accept`: A list of ActivityStreams terms to accept.  If empty, all supported messages are accepted.
* `reject`: A list of ActivityStreams terms to reject.  If empty, no messages are rejected.
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#### :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:

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

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#### :mrf_object_age
* `threshold`: Required age (in seconds) of a post before actions are taken.
* `actions`: A list of actions to apply to the post:
  * `:delist` removes the post from public timelines
  * `:strip_followers` removes followers from the ActivityPub recipient list, ensuring they won't be delivered to home timelines
  * `:reject` rejects the message entirely

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### :activitypub
* ``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
* ``sign_object_fetches``: Sign object fetches with HTTP signatures

### :fetch_initial_posts
* `enabled`: if enabled, when a new user is federated with, fetch some of their latest posts
* `pages`: the amount of pages to fetch
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## Pleroma.ScheduledActivity

* `daily_user_limit`: the number of scheduled activities a user is allowed to create in a single day (Default: `25`)
* `total_user_limit`: the number of scheduled activities a user is allowed to create in total (Default: `300`)
* `enabled`: whether scheduled activities are sent to the job queue to be executed

## Pleroma.ActivityExpiration

* `enabled`: whether expired activities will be sent to the job queue to be deleted

## Frontends

### :frontend_configurations
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This can be used to configure a keyword list that keeps the configuration data for any kind of frontend. By default, settings for `pleroma_fe` and `masto_fe` are configured. You can find the documentation for `pleroma_fe` configuration into [Pleroma-FE configuration and customization for instance administrators](/frontend/CONFIGURATION/#options).
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Frontends can access these settings at `/api/pleroma/frontend_configurations`

To add your own configuration for PleromaFE, use it like this:

```elixir
config :pleroma, :frontend_configurations,
  pleroma_fe: %{
    theme: "pleroma-dark",
    # ... see /priv/static/static/config.json for the available keys.
},
  masto_fe: %{
    showInstanceSpecificPanel: true
  }
```

These settings **need to be complete**, they will override the defaults.

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### :static_fe

Render profiles and posts using server-generated HTML that is viewable without using JavaScript.

Available options:

* `enabled` - Enables the rendering of static HTML. Defaults to `false`.

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### :assets
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This section configures assets to be used with various frontends. Currently the only option
relates to mascots on the mastodon frontend

* `mascots`: KeywordList of mascots, each element __MUST__ contain both a `url` and a
  `mime_type` key.
* `default_mascot`: An element from `mascots` - This will be used as the default mascot
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  on MastoFE (default: `:pleroma_fox_tan`).
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### :manifest
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This section describe PWA manifest instance-specific values. Currently this option relate only for MastoFE.

* `icons`: Describe the icons of the app, this a list of maps describing icons in the same way as the
  [spec](https://www.w3.org/TR/appmanifest/#imageresource-and-its-members) describes it.

  Example:

  ```elixir
  config :pleroma, :manifest,
    icons: [
      %{
        src: "/static/logo.png"
      },
      %{
        src: "/static/icon.png",
        type: "image/png"
      },
      %{
        src: "/static/icon.ico",
        sizes: "72x72 96x96 128x128 256x256"
      }
    ]
  ```

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* `theme_color`: Describe the theme color of the app. (Example: `"#282c37"`, `"rebeccapurple"`).
* `background_color`: Describe the background color of the app. (Example: `"#191b22"`, `"aliceblue"`).
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## :emoji
* `shortcode_globs`: Location of custom emoji files. `*` can be used as a wildcard. Example `["/emoji/custom/**/*.png"]`
* `pack_extensions`: A list of file extensions for emojis, when no emoji.txt for a pack is present. Example `[".png", ".gif"]`
* `groups`: Emojis are ordered in groups (tags). This is an array of key-value pairs where the key is the groupname and the value the location or array of locations. `*` can be used as a wildcard. Example `[Custom: ["/emoji/*.png", "/emoji/custom/*.png"]]`
* `default_manifest`: Location of the JSON-manifest. This manifest contains information about the emoji-packs you can download. Currently only one manifest can be added (no arrays).
* `shared_pack_cache_seconds_per_file`: When an emoji pack is shared, the archive is created and cached in
  memory for this amount of seconds multiplied by the number of files.
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## :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)]`.
* `whitelist`: List of domains to bypass the mediaproxy

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## Link previews

### Pleroma.Web.Metadata (provider)
* `providers`: a list of metadata providers to enable. Providers available:
    * `Pleroma.Web.Metadata.Providers.OpenGraph`
    * `Pleroma.Web.Metadata.Providers.TwitterCard`
    * `Pleroma.Web.Metadata.Providers.RelMe` - add links from user bio with rel=me into the `<header>` as `<link rel=me>`.
    * `Pleroma.Web.Metadata.Providers.Feed` - add a link to a user's Atom feed into the `<header>` as `<link rel=alternate>`.
* `unfurl_nsfw`: If set to `true` nsfw attachments will be shown in previews.

### :rich_media (consumer)
* `enabled`: if enabled the instance will parse metadata from attached links to generate link previews.
* `ignore_hosts`: list of hosts which will be ignored by the metadata parser. For example `["accounts.google.com", "xss.website"]`, defaults to `[]`.
* `ignore_tld`: list TLDs (top-level domains) which will ignore for parse metadata. default is ["local", "localdomain", "lan"].
* `parsers`: list of Rich Media parsers.
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## HTTP server

### Pleroma.Web.Endpoint
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!!! note
    `Phoenix` endpoint configuration, all configuration options can be viewed [here](https://hexdocs.pm/phoenix/Phoenix.Endpoint.html#module-dynamic-configuration), only common options are listed here.

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* `http` - a list containing http protocol configuration, all configuration options can be viewed [here](https://hexdocs.pm/plug_cowboy/Plug.Cowboy.html#module-options), only common options are listed here. For deployment using docker, you need to set this to `[ip: {0,0,0,0}, port: 4000]` to make pleroma accessible from other containers (such as your nginx server).
  - `ip` - a tuple consisting of 4 integers
  - `port`
* `url` - a list containing the configuration for generating urls, accepts
  - `host` - the host without the scheme and a post (e.g `example.com`, not `https://example.com:2020`)
  - `scheme` - e.g `http`, `https`
  - `port`
  - `path`
* `extra_cookie_attrs` - a list of `Key=Value` strings to be added as non-standard cookie attributes. Defaults to `["SameSite=Lax"]`. See the [SameSite article](https://www.owasp.org/index.php/SameSite) on OWASP for more info.

Example:
```elixir
config :pleroma, Pleroma.Web.Endpoint,
  url: [host: "example.com", port: 2020, scheme: "https"],
  http: [
    port: 8080,
    ip: {127, 0, 0, 1}
  ]
```

This will make Pleroma listen on `127.0.0.1` port `8080` and generate urls starting with `https://example.com:2020`

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### :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"`.
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* ``report_uri``: Adds the specified url to `report-uri` and `report-to` group in CSP header.

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### Pleroma.Plugs.RemoteIp
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!!! warning
    If your instance is not behind at least one reverse proxy, you should not enable this plug.
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`Pleroma.Plugs.RemoteIp` is a shim to call [`RemoteIp`](https://git.pleroma.social/pleroma/remote_ip) but with runtime configuration.
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Available options:
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* `enabled` - Enable/disable the plug. Defaults to `false`.
* `headers` - A list of strings naming the `req_headers` to use when deriving the `remote_ip`. Order does not matter. Defaults to `~w[forwarded x-forwarded-for x-client-ip x-real-ip]`.
* `proxies` - A list of strings in [CIDR](https://en.wikipedia.org/wiki/CIDR) notation specifying the IPs of known proxies. Defaults to `[]`.
* `reserved` - Defaults to [localhost](https://en.wikipedia.org/wiki/Localhost) and [private network](https://en.wikipedia.org/wiki/Private_network).
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### :rate_limit

This is an advanced feature and disabled by default.

If your instance is behind a reverse proxy you must enable and configure [`Pleroma.Plugs.RemoteIp`](#pleroma-plugs-remoteip).

A keyword list of rate limiters where a key is a limiter name and value is the limiter configuration. The basic configuration is a tuple where:

* The first element: `scale` (Integer). The time scale in milliseconds.
* The second element: `limit` (Integer). How many requests to limit in the time scale provided.

It is also possible to have different limits for unauthenticated and authenticated users: the keyword value must be a list of two tuples where the first one is a config for unauthenticated users and the second one is for authenticated.

Supported rate limiters:

* `:search` for the search requests (account & status search etc.)
* `:app_account_creation` for registering user accounts from the same IP address
* `:relations_actions` for actions on relations with all users (follow, unfollow)
* `:relation_id_action` for actions on relation with a specific user (follow, unfollow)
* `:statuses_actions` for create / delete / fav / unfav / reblog / unreblog actions on any statuses
* `:status_id_action` for fav / unfav or reblog / unreblog actions on the same status by the same user
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### :web_cache_ttl
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The expiration time for the web responses cache. Values should be in milliseconds or `nil` to disable expiration.

Available caches:

* `:activity_pub` - activity pub routes (except question activities). Defaults to `nil` (no expiration).
* `:activity_pub_question` - activity pub routes (question activities). Defaults to `30_000` (30 seconds).

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## HTTP client

### :http

* `proxy_url`: an upstream proxy to fetch posts and/or media with, (default: `nil`)
* `send_user_agent`: should we include a user agent with HTTP requests? (default: `true`)
* `user_agent`: what user agent should  we use? (default: `:default`), must be string or `:default`
* `adapter`: array of hackney options


### :hackney_pools
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Advanced. Tweaks Hackney (http client) connections pools.

There's three pools used:

* `:federation` for the federation jobs.
  You may want this pool max_connections to be at least equal to the number of federator jobs + retry queue jobs.
* `:media` for rich media, media proxy
* `:upload` for uploaded media (if using a remote uploader and `proxy_remote: true`)

For each pool, the options are:

* `max_connections` - how much connections a pool can hold
* `timeout` - retention duration for connections


## Captcha

### Pleroma.Captcha
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* `enabled`: Whether the captcha should be shown on registration.
* `method`: The method/service to use for captcha.
* `seconds_valid`: The time in seconds for which the captcha is valid.

### Captcha providers

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#### Pleroma.Captcha.Native

A built-in captcha provider. Enabled by default.

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#### Pleroma.Captcha.Kocaptcha
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Kocaptcha is a very simple captcha service with a single API endpoint,
the source code is here: https://github.com/koto-bank/kocaptcha. The default endpoint
`https://captcha.kotobank.ch` is hosted by the developer.

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* `endpoint`: the Kocaptcha endpoint to use.

## Uploads

### Pleroma.Upload
* `uploader`: Which one of the [uploaders](#uploaders) to use.
* `filters`: List of [upload filters](#upload-filters) to use.
* `link_name`: When enabled Pleroma will add a `name` parameter to the url of the upload, for example `https://instance.tld/media/corndog.png?name=corndog.png`. This is needed to provide the correct filename in Content-Disposition headers when using filters like `Pleroma.Upload.Filter.Dedupe`
* `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.

!!! warning
    `strip_exif` has been replaced by `Pleroma.Upload.Filter.Mogrify`.

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

#### Pleroma.Uploaders.S3
* `bucket`: S3 bucket name.
* `bucket_namespace`: S3 bucket namespace.
* `public_endpoint`: S3 endpoint that the user finally accesses(ex. "https://s3.dualstack.ap-northeast-1.amazonaws.com")
* `truncated_namespace`: If you use S3 compatible service such as Digital Ocean Spaces or CDN, set folder name or "" etc.
For example, when using CDN to S3 virtual host format, set "".
At this time, write CNAME to CDN in public_endpoint.
* `streaming_enabled`: Enable streaming uploads, when enabled the file will be sent to the server in chunks as it's being read. This may be unsupported by some providers, try disabling this if you have upload problems.


### Upload filters

#### Pleroma.Upload.Filter.Mogrify

* `args`: List of actions for the `mogrify` command like `"strip"` or `["strip", "auto-orient", {"implode", "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. You can get the original filename extension by using `{extension}`, for example `custom-file-name.{extension}`.

## Email

### Pleroma.Emails.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.
* `enabled`: Allows enable/disable send  emails. Default: `false`.

An example for Sendgrid adapter:

```elixir
config :pleroma, Pleroma.Emails.Mailer,
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  enabled: true,
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  adapter: Swoosh.Adapters.Sendgrid,
  api_key: "YOUR_API_KEY"
```

An example for SMTP adapter:

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

### :email_notifications
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Email notifications settings.
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  - digest - emails of "what you've missed" for users who have been
    inactive for a while.
    - active: globally enable or disable digest emails
    - schedule: When to send digest email, in [crontab format](https://en.wikipedia.org/wiki/Cron).
      "0 0 * * 0" is the default, meaning "once a week at midnight on Sunday morning"
    - interval: Minimum interval between digest emails to one user
    - inactivity_threshold: Minimum user inactivity threshold
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### Pleroma.Emails.UserEmail
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- `:logo` - a path to a custom logo. Set it to `nil` to use the default Pleroma logo.
- `:styling` - a map with color settings for email templates.
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## Background jobs
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### Oban
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[Oban](https://github.com/sorentwo/oban) asynchronous job processor configuration.

Configuration options described in [Oban readme](https://github.com/sorentwo/oban#usage):
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* `repo` - app's Ecto repo (`Pleroma.Repo`)
* `verbose` - logs verbosity
* `prune` - non-retryable jobs [pruning settings](https://github.com/sorentwo/oban#pruning) (`:disabled` / `{:maxlen, value}` / `{:maxage, value}`)
* `queues` - job queues (see below)

Pleroma has the following queues:

* `activity_expiration` - Activity expiration
* `federator_outgoing` - Outgoing federation
* `federator_incoming` - Incoming federation
* `mailer` - Email sender, see [`Pleroma.Emails.Mailer`](#pleromaemailsmailer)
* `transmogrifier` - Transmogrifier
* `web_push` - Web push notifications
* `scheduled_activities` - Scheduled activities, see [`Pleroma.ScheduledActivity`](#pleromascheduledactivity)

Example:

```elixir
config :pleroma, Oban,
  repo: Pleroma.Repo,
  verbose: false,
  prune: {:maxlen, 1500},
  queues: [
    federator_incoming: 50,
    federator_outgoing: 50
  ]
```

This config contains two queues: `federator_incoming` and `federator_outgoing`. Both have the number of max concurrent jobs set to `50`.

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#### Migrating `pleroma_job_queue` settings
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`config :pleroma_job_queue, :queues` is replaced by `config :pleroma, Oban, :queues` and uses the same format (keys are queues' names, values are max concurrent jobs numbers).

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### :workers
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Includes custom worker options not interpretable directly by `Oban`.

* `retries` — keyword lists where keys are `Oban` queues (see above) and values are numbers of max attempts for failed jobs.

Example:

```elixir
config :pleroma, :workers,
  retries: [
    federator_incoming: 5,
    federator_outgoing: 5
  ]
```

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#### Migrating `Pleroma.Web.Federator.RetryQueue` settings
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* `max_retries` is replaced with `config :pleroma, :workers, retries: [federator_outgoing: 5]`
* `enabled: false` corresponds to `config :pleroma, :workers, retries: [federator_outgoing: 1]`
* deprecated options: `max_jobs`, `initial_timeout`

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### Pleroma.Scheduler
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Configuration for [Quantum](https://github.com/quantum-elixir/quantum-core) jobs scheduler.
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See [Quantum readme](https://github.com/quantum-elixir/quantum-core#usage) for the list of supported options.
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Example:
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```elixir
config :pleroma, Pleroma.Scheduler,
  global: true,
  overlap: true,
  timezone: :utc,
  jobs: [{"0 */6 * * * *", {Pleroma.Web.Websub, :refresh_subscriptions, []}}]
```
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The above example defines a single job which invokes `Pleroma.Web.Websub.refresh_subscriptions()` every 6 hours ("0 */6 * * * *", [crontab format](https://en.wikipedia.org/wiki/Cron)).
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## :web_push_encryption, :vapid_details
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Web Push Notifications configuration. You can use the mix task `mix web_push.gen.keypair` to generate it.
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* ``subject``: a mailto link for the administrative contact. It’s best if this email is not a personal email address, but rather a group email so that if a person leaves an organization, is unavailable for an extended period, or otherwise can’t respond, someone else on the list can.
* ``public_key``: VAPID public key
* ``private_key``: VAPID private key
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## :logger
* `backends`: `:console` is used to send logs to stdout, `{ExSyslogger, :ex_syslogger}` to log to syslog, and `Quack.Logger` to log to Slack
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An example to enable ONLY ExSyslogger (f/ex in ``prod.secret.exs``) with info and debug suppressed:
```elixir
config :logger,
  backends: [{ExSyslogger, :ex_syslogger}]
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config :logger, :ex_syslogger,
  level: :warn
```
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Another example, keeping console output and adding the pid to syslog output:
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```elixir
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config :logger,
  backends: [:console, {ExSyslogger, :ex_syslogger}]
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config :logger, :ex_syslogger,
  level: :warn,
  option: [:pid, :ndelay]
```
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See: [logger’s documentation](https://hexdocs.pm/logger/Logger.html) and [ex_syslogger’s documentation](https://hexdocs.pm/ex_syslogger/)
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An example of logging info to local syslog, but warn to a Slack channel:
```elixir
config :logger,
  backends: [ {ExSyslogger, :ex_syslogger}, Quack.Logger ],
  level: :info
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config :logger, :ex_syslogger,
  level: :info,
  ident: "pleroma",
  format: "$metadata[$level] $message"
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config :quack,
  level: :warn,
  meta: [:all],
  webhook_url: "https://hooks.slack.com/services/YOUR-API-KEY-HERE"
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```

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See the [Quack Github](https://github.com/azohra/quack) for more details
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## Database options
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### RUM indexing for full text search
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!!! warning
    It is recommended to use PostgreSQL v11 or newer. We have seen some minor issues with lower PostgreSQL versions.

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* `rum_enabled`: If RUM indexes should be used. Defaults to `false`.
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RUM indexes are an alternative indexing scheme that is not included in PostgreSQL by default. While they may eventually be mainlined, for now they have to be installed as a PostgreSQL extension from https://github.com/postgrespro/rum.
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Their advantage over the standard GIN indexes is that they allow efficient ordering of search results by timestamp, which makes search queries a lot faster on larger servers, by one or two orders of magnitude. They take up around 3 times as much space as GIN indexes.
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To enable them, both the `rum_enabled` flag has to be set and the following special migration has to be run:
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`mix ecto.migrate --migrations-path priv/repo/optional_migrations/rum_indexing/`
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This will probably take a long time.

## Alternative client protocols
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### BBS / SSH access
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To enable simple command line interface accessible over ssh, add a setting like this to your configuration file:

```exs
app_dir = File.cwd!
priv_dir = Path.join([app_dir, "priv/ssh_keys"])

config :esshd,
  enabled: true,
  priv_dir: priv_dir,
  handler: "Pleroma.BBS.Handler",
  port: 10_022,
  password_authenticator: "Pleroma.BBS.Authenticator"
```

Feel free to adjust the priv_dir and port number. Then you will have to create the key for the keys (in the example `priv/ssh_keys`) and create the host keys with `ssh-keygen -m PEM -N "" -b 2048 -t rsa -f ssh_host_rsa_key`. After restarting, you should be able to connect to your Pleroma instance with `ssh username@server -p $PORT`

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### :gopher
* `enabled`: Enables the gopher interface
* `ip`: IP address to bind to
* `port`: Port to bind to
* `dstport`: Port advertised in urls (optional, defaults to `port`)


## Authentication

### :admin_token

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```elixir
config :pleroma, :admin_token, "somerandomtoken"
```

You can then do

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```shell
curl "http://localhost:4000/api/pleroma/admin/users/invites?admin_token=somerandomtoken"
```

or

```shell
curl -H "X-Admin-Token: somerandomtoken" "http://localhost:4000/api/pleroma/admin/users/invites"
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```

### :auth
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* `Pleroma.Web.Auth.PleromaAuthenticator`: default database authenticator.
* `Pleroma.Web.Auth.LDAPAuthenticator`: LDAP authentication.
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Authentication / authorization settings.

* `auth_template`: authentication form template. By default it's `show.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/show.html.eex`.
* `oauth_consumer_template`: OAuth consumer mode authentication form template. By default it's `consumer.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/consumer.html.eex`.
* `oauth_consumer_strategies`: the list of enabled OAuth consumer strategies; by default it's set by `OAUTH_CONSUMER_STRATEGIES` environment variable. Each entry in this space-delimited string should be of format `<strategy>` or `<strategy>:<dependency>` (e.g. `twitter` or `keycloak:ueberauth_keycloak_strategy` in case dependency is named differently than `ueberauth_<strategy>`).

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### Pleroma.Web.Auth.Authenticator
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* `Pleroma.Web.Auth.PleromaAuthenticator`: default database authenticator.
* `Pleroma.Web.Auth.LDAPAuthenticator`: LDAP authentication.
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### :ldap
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Use LDAP for user authentication.  When a user logs in to the Pleroma
instance, the name and password will be verified by trying to authenticate
(bind) to an LDAP server.  If a user exists in the LDAP directory but there
is no account with the same name yet on the Pleroma instance then a new
Pleroma account will be created with the same name as the LDAP user name.
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* `enabled`: enables LDAP authentication
* `host`: LDAP server hostname
* `port`: LDAP port, e.g. 389 or 636
* `ssl`: true to use SSL, usually implies the port 636
* `sslopts`: additional SSL options
* `tls`: true to start TLS, usually implies the port 389
* `tlsopts`: additional TLS options
* `base`: LDAP base, e.g. "dc=example,dc=com"
* `uid`: LDAP attribute name to authenticate the user, e.g. when "cn", the filter will be "cn=username,base"
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### OAuth consumer mode
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OAuth consumer mode allows sign in / sign up via external OAuth providers (e.g. Twitter, Facebook, Google, Microsoft, etc.).
Implementation is based on Ueberauth; see the list of [available strategies](https://github.com/ueberauth/ueberauth/wiki/List-of-Strategies).

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!!! note
    Each strategy is shipped as a separate dependency; in order to get the strategies, run `OAUTH_CONSUMER_STRATEGIES="..." mix deps.get`, e.g. `OAUTH_CONSUMER_STRATEGIES="twitter facebook google microsoft" mix deps.get`.  The server should also be started with `OAUTH_CONSUMER_STRATEGIES="..." mix phx.server` in case you enable any strategies.
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!!! note
    Each strategy requires separate setup (on external provider side and Pleroma side). Below are the guidelines on setting up most popular strategies.
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!!! note
    Make sure that `"SameSite=Lax"` is set in `extra_cookie_attrs` when you have this feature enabled. OAuth consumer mode will not work with `"SameSite=Strict"`
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* For Twitter, [register an app](https://developer.twitter.com/en/apps), configure callback URL to https://<your_host>/oauth/twitter/callback

* For Facebook, [register an app](https://developers.facebook.com/apps), configure callback URL to https://<your_host>/oauth/facebook/callback, enable Facebook Login service at https://developers.facebook.com/apps/<app_id>/fb-login/settings/

* For Google, [register an app](https://console.developers.google.com), configure callback URL to https://<your_host>/oauth/google/callback

* For Microsoft, [register an app](https://portal.azure.com), configure callback URL to https://<your_host>/oauth/microsoft/callback

Once the app is configured on external OAuth provider side, add app's credentials and strategy-specific settings (if any — e.g. see Microsoft below) to `config/prod.secret.exs`,
per strategy's documentation (e.g. [ueberauth_twitter](https://github.com/ueberauth/ueberauth_twitter)). Example config basing on environment variables:

```elixir
# Twitter
config :ueberauth, Ueberauth.Strategy.Twitter.OAuth,
  consumer_key: System.get_env("TWITTER_CONSUMER_KEY"),
  consumer_secret: System.get_env("TWITTER_CONSUMER_SECRET")

# Facebook
config :ueberauth, Ueberauth.Strategy.Facebook.OAuth,
  client_id: System.get_env("FACEBOOK_APP_ID"),
  client_secret: System.get_env("FACEBOOK_APP_SECRET"),
  redirect_uri: System.get_env("FACEBOOK_REDIRECT_URI")

# Google
config :ueberauth, Ueberauth.Strategy.Google.OAuth,
  client_id: System.get_env("GOOGLE_CLIENT_ID"),
  client_secret: System.get_env("GOOGLE_CLIENT_SECRET"),
  redirect_uri: System.get_env("GOOGLE_REDIRECT_URI")

# Microsoft
config :ueberauth, Ueberauth.Strategy.Microsoft.OAuth,
  client_id: System.get_env("MICROSOFT_CLIENT_ID"),
  client_secret: System.get_env("MICROSOFT_CLIENT_SECRET")

config :ueberauth, Ueberauth,
  providers: [
    microsoft: {Ueberauth.Strategy.Microsoft, [callback_params: []]}
  ]

# Keycloak
# Note: make sure to add `keycloak:ueberauth_keycloak_strategy` entry to `OAUTH_CONSUMER_STRATEGIES` environment variable
keycloak_url = "https://publicly-reachable-keycloak-instance.org:8080"

config :ueberauth, Ueberauth.Strategy.Keycloak.OAuth,
  client_id: System.get_env("KEYCLOAK_CLIENT_ID"),
  client_secret: System.get_env("KEYCLOAK_CLIENT_SECRET"),
  site: keycloak_url,
  authorize_url: "#{keycloak_url}/auth/realms/master/protocol/openid-connect/auth",
  token_url: "#{keycloak_url}/auth/realms/master/protocol/openid-connect/token",
  userinfo_url: "#{keycloak_url}/auth/realms/master/protocol/openid-connect/userinfo",
  token_method: :post

config :ueberauth, Ueberauth,
  providers: [
    keycloak: {Ueberauth.Strategy.Keycloak, [uid_field: :email]}
  ]
```

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### OAuth 2.0 provider - :oauth2
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Configure OAuth 2 provider capabilities:

* `token_expires_in` - The lifetime in seconds of the access token.
* `issue_new_refresh_token` - Keeps old refresh token or generate new refresh token when to obtain an access token.
* `clean_expired_tokens` - Enable a background job to clean expired oauth tokens. Defaults to `false`.
* `clean_expired_tokens_interval` - Interval to run the job to clean expired tokens. Defaults to `86_400_000` (24 hours).

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## Link parsing
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### :uri_schemes
* `valid_schemes`: List of the scheme part that is considered valid to be an URL.
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### :auto_linker
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Configuration for the `auto_linker` library:
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* `class: "auto-linker"` - specify the class to be added to the generated link. false to clear.
* `rel: "noopener noreferrer"` - override the rel attribute. false to clear.
* `new_window: true` - set to false to remove `target='_blank'` attribute.
* `scheme: false` - Set to true to link urls with schema `http://google.com`.
* `truncate: false` - Set to a number to truncate urls longer then the number. Truncated urls will end in `..`.
* `strip_prefix: true` - Strip the scheme prefix.
* `extra: false` - link urls with rarely used schemes (magnet, ipfs, irc, etc.).
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Example:
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```elixir
config :auto_linker,
  opts: [
    scheme: true,
    extra: true,
    class: false,
    strip_prefix: false,
    new_window: false,
    rel: "ugc"
  ]
```
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## Custom Runtime Modules (`:modules`)

* `runtime_dir`: A path to custom Elixir modules (such as MRF policies).