Merge branch 'develop' into 'frontend-admin-api'

# Conflicts:
#   lib/pleroma/web/router.ex

docs/API/admin_api.md

@@ -20,12 +20,14 @@ Configuration options:
     - `external`: only external users
     - `active`: only active users
     - `need_approval`: only unapproved users
+    - `unconfirmed`: only unconfirmed users
     - `deactivated`: only deactivated users
     - `is_admin`: users with admin role
     - `is_moderator`: users with moderator role
   - *optional* `page`: **integer** page number
   - *optional* `page_size`: **integer** number of users per page (default is `50`)
   - *optional* `tags`: **[string]** tags list
+  - *optional* `actor_types`: **[string]** actor type list (`Person`, `Service`, `Application`)
   - *optional* `name`: **string** user display name
   - *optional* `email`: **string** user email
 - Example: `https://mypleroma.org/api/pleroma/admin/users?query=john&filters=local,active&page=1&page_size=10&tags[]=some_tag&tags[]=another_tag&name=display_name&email=email@example.com`

docs/API/chats.md

@@ -173,11 +173,14 @@ Returned data:
     "created_at": "2020-04-21T15:06:45.000Z",
     "emojis": [],
     "id": "12",
-    "unread": false
+    "unread": false,
+    "idempotency_key": "75442486-0874-440c-9db1-a7006c25a31f"
   }
 ]
 ```
 
+- idempotency_key: The copy of the `idempotency-key` HTTP request header that can be used for optimistic message sending. Included only during the first few minutes after the message creation.
+
 ### Posting a chat message
 
 Posting a chat message for given Chat id works like this:

docs/API/pleroma_api.md

@@ -615,3 +615,41 @@ Emoji reactions work a lot like favourites do. They make it possible to react to
   {"name": "😀", "count": 2, "me": true, "accounts": [{"id" => "xyz.."...}, {"id" => "zyx..."}]}
 ]
 ```
+
+## `POST /api/v1/pleroma/backups`
+### Create a user backup archive
+
+* Method: `POST`
+* Authentication: required
+* Params: none
+* Response: JSON
+* Example response:
+
+```json
+[{
+    "content_type": "application/zip",
+    "file_size": 0,
+    "inserted_at": "2020-09-10T16:18:03.000Z",
+    "processed": false,
+    "url": "https://example.com/media/backups/archive-foobar-20200910T161803-QUhx6VYDRQ2wfV0SdA2Pfj_2CLM_ATUlw-D5l5TJf4Q.zip"
+}]
+```
+
+## `GET /api/v1/pleroma/backups`
+### Lists user backups
+
+* Method: `GET`
+* Authentication: not required
+* Params: none
+* Response: JSON
+* Example response:
+
+```json
+[{
+    "content_type": "application/zip",
+    "file_size": 55457,
+    "inserted_at": "2020-09-10T16:18:03.000Z",
+    "processed": true,
+    "url": "https://example.com/media/backups/archive-foobar-20200910T161803-QUhx6VYDRQ2wfV0SdA2Pfj_2CLM_ATUlw-D5l5TJf4Q.zip"
+}]
+```

docs/API/prometheus.md

@@ -2,15 +2,37 @@
 
 Pleroma includes support for exporting metrics via the [prometheus_ex](https://github.com/deadtrickster/prometheus.ex) library.
 
+Config example:
+
+```
+config :prometheus, Pleroma.Web.Endpoint.MetricsExporter,
+  enabled: true,
+  auth: {:basic, "myusername", "mypassword"},
+  ip_whitelist: ["127.0.0.1"],
+  path: "/api/pleroma/app_metrics",
+  format: :text
+```
+
+* `enabled` (Pleroma extension) enables the endpoint
+* `ip_whitelist` (Pleroma extension) could be used to restrict access only to specified IPs
+* `auth` sets the authentication (`false` for no auth; configurable to HTTP Basic Auth, see [prometheus-plugs](https://github.com/deadtrickster/prometheus-plugs#exporting) documentation)
+* `format` sets the output format (`:text` or `:protobuf`)
+* `path` sets the path to app metrics page 
+
+
 ## `/api/pleroma/app_metrics`
+
 ### Exports Prometheus application metrics
+
 * Method: `GET`
-* Authentication: not required
+* Authentication: not required by default (see configuration options above)
 * Params: none
-* Response: JSON
+* Response: text
 
 ## Grafana
+
 ### Config example
+
 The following is a config example to use with [Grafana](https://grafana.com)
 
 ```