Merge branch 'by-approval' into 'develop'

Registrations "by approval" mode

Closes #1931

See merge request pleroma/pleroma!2757

docs/API/admin_api.md

@@ -19,6 +19,7 @@ Configuration options:
     - `local`: only local users
     - `external`: only external users
     - `active`: only active users
+    - `need_approval`: only unapproved users
     - `deactivated`: only deactivated users
     - `is_admin`: users with admin role
     - `is_moderator`: users with moderator role
@@ -46,7 +47,10 @@ Configuration options:
       "local": bool,
       "tags": array,
       "avatar": string,
-      "display_name": string
+      "display_name": string,
+      "confirmation_pending": bool,
+      "approval_pending": bool,
+      "registration_reason": string,
     },
     ...
   ]
@@ -242,6 +246,24 @@ Note: Available `:permission_group` is currently moderator and admin. 404 is ret
 }
 ```
 
+## `PATCH /api/pleroma/admin/users/approve`
+
+### Approve user
+
+- Params:
+  - `nicknames`: nicknames array
+- Response:
+
+```json
+{
+  users: [
+    {
+      // user object
+    }
+  ]
+}
+```
+
 ## `GET /api/pleroma/admin/users/:nickname_or_id`
 
 ### Retrive the details of a user

docs/configuration/cheatsheet.md

@@ -33,6 +33,7 @@ To add configuration to your config file, you can copy it from the base config.
 * `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.
+* `account_approval_required`: Require users to be manually approved by an admin before signing in.
 * `federating`: Enable federation with other instances.
 * `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.
@@ -58,6 +59,7 @@ To add configuration to your config file, you can copy it from the base config.
 * `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`).
+* `registration_reason_length`: Maximum registration reason length (default: `500`).
 * `external_user_synchronization`: Enabling following/followers counters synchronization for external users.
 * `cleanup_attachments`: Remove attachments along with statuses. Does not affect duplicate files and attachments without status. Enabling this will increase load to database when deleting statuses on larger instances.