Add privacy policy and terms of service endpoints (#1594)

* Add privacy policy and terms of service endpoints

* Shorten the example privacy policy response

content/en/entities/PrivacyPolicy.md

@@ -0,0 +1,44 @@
+---
+title: PrivacyPolicy
+description: Represents the privacy policy of the instance.
+menu:
+  docs:
+    parent: entities
+aliases: [
+  "/entities/privacypolicy",
+  "/entities/PrivacyPolicy",
+  "/api/entities/privacypolicy",
+  "/api/entities/PrivacyPolicy",
+]
+---
+
+## Example
+
+```json
+{
+  "updated_at": "2022-10-07T00:00:00+00:00",
+  "content": "<p>This privacy policy describes how example.com (&quot;example.com&quot;, &quot;we&quot;, &quot;us&quot;) collects,\nprotects and uses the personally identifiable information you may provide\nthrough the example.com website or its API.</p>\n\n<h1>What information do we collect?</h1>\n\n<ul>\n<li><strong>Basic account information</strong>: If you register on this server, you may be\nasked to enter a username, an e-mail address and a password.</li>\n<li><strong>Posts, following and other public information</strong>: The list of people you\nfollow is listed publicly, the same is true for your followers.</li>\n<li><strong>Direct and followers-only posts</strong>: All posts are stored and processed on the\nserver. You may\ntoggle an option to approve and reject new followers manually in the settings.\n<strong>Please keep in mind that the operators of the server and any receiving\nserver may view such messages</strong>, and that recipients may screenshot, copy or\notherwise re-share them. <strong>Do not share any sensitive information over\nMastodon.</strong></li>\n<li><strong>IPs and other metadata</strong>: When you log in, we record the IP address you log\nin from, as well as the name of your browser application.</li>\n</ul>\n\n<hr>\n\n<p>This document is CC-BY-SA. Originally adapted from the <a href=\"https://github.com/discourse/discourse\">Discourse privacy\npolicy</a>.</p>\n"
+}
+```
+
+## Attributes
+
+### `updated_at` {#updated_at}
+
+**Description:** A timestamp of when the privacy policy was last updated.\
+**Type:** String ([Datetime](/api/datetime-format#datetime))\
+**Version history:**\
+4.0.0 - added
+
+### `content` {#content}
+
+**Description:** The rendered HTML content of the privacy policy.\
+**Type:** String (HTML)\
+**Version history:**\
+4.0.0 - added
+
+## See also
+
+{{< page-relref ref="methods/instance#privacy_policy" caption="GET /api/v1/instance/privacy_policy" >}}
+
+{{< caption-link url="https://github.com/mastodon/mastodon/blob/main/app/serializers/rest/privacy_policy_serializer.rb" caption="app/serializers/rest/privacy_policy_serializer.rb" >}}

content/en/methods/instance.md

@@ -515,6 +515,63 @@ Obtain an extended description of this server
 
 ---
 
+## View privacy policy {#privacy_policy}
+
+```http
+GET /api/v1/instance/privacy_policy HTTP/1.1
+```
+
+Obtain the contents of this server's privacy policy.
+
+**Returns:** [PrivacyPolicy]({{< relref "entities/PrivacyPolicy" >}})\
+**OAuth:** Public\
+**Version history:**\
+4.0.0 - added
+
+#### Response
+
+##### 200: OK
+
+```json
+{
+  "updated_at": "2022-10-07T00:00:00+00:00",
+  "content": "<p>This privacy policy describes how example.com (&quot;example.com&quot;, &quot;we&quot;, &quot;us&quot;) collects,\nprotects and uses the personally identifiable information you may provide\nthrough the example.com website or its API.</p>\n\n<h1>What information do we collect?</h1>\n\n<ul>\n<li><strong>Basic account information</strong>: If you register on this server, you may be\nasked to enter a username, an e-mail address and a password.</li>\n<li><strong>Posts, following and other public information</strong>: The list of people you\nfollow is listed publicly, the same is true for your followers.</li>\n<li><strong>Direct and followers-only posts</strong>: All posts are stored and processed on the\nserver. You may\ntoggle an option to approve and reject new followers manually in the settings.\n<strong>Please keep in mind that the operators of the server and any receiving\nserver may view such messages</strong>, and that recipients may screenshot, copy or\notherwise re-share them. <strong>Do not share any sensitive information over\nMastodon.</strong></li>\n<li><strong>IPs and other metadata</strong>: When you log in, we record the IP address you log\nin from, as well as the name of your browser application.</li>\n</ul>\n\n<hr>\n\n<p>This document is CC-BY-SA. Originally adapted from the <a href=\"https://github.com/discourse/discourse\">Discourse privacy\npolicy</a>.</p>\n"
+}
+```
+
+---
+
+## View terms of service {#terms_of_service}
+
+```http
+GET /api/v1/instance/terms_of_service HTTP/1.1
+```
+
+Obtain the contents of this server's terms of service, if configured.
+
+**Returns:** [PrivacyPolicy]({{< relref "entities/PrivacyPolicy" >}})\
+**OAuth:** Public\
+**Version history:**\
+4.4.0 - added
+
+#### Response
+
+##### 200: OK
+
+
+
+##### 404: Not Found
+
+No terms of service have been configured for this instance.
+
+```json
+{
+  "error": "Record not found"
+}
+```
+
+---
+
 ## View translation languages {#translation_languages}
 
 ```http
@@ -707,3 +764,7 @@ Obtain general information about the server. See [api/v2/instance]({{< relref "m
 {{< caption-link url="https://github.com/mastodon/mastodon/blob/main/app/controllers/api/v1/instances/peers_controller.rb" caption="app/controllers/api/v1/instances/peers_controller.rb" >}}
 
 {{< caption-link url="https://github.com/mastodon/mastodon/blob/main/app/controllers/api/v1/instances/rules_controller.rb" caption="app/controllers/api/v1/instances/rules_controller.rb" >}}
+
+{{< caption-link url="https://github.com/mastodon/mastodon/blob/main/app/controllers/api/v1/instances/privacy_policies_controller.rb" caption="app/controllers/api/v1/instances/privacy_policies_controller.rb" >}}
+
+{{< caption-link url="https://github.com/mastodon/mastodon/blob/main/app/controllers/api/v1/instances/terms_of_services_controller.rb" caption="app/controllers/api/v1/instances/terms_of_services_controller.rb" >}}