From 76a7429befb2e9a819b653ff8328cc42a565c29d Mon Sep 17 00:00:00 2001
From: rinpatch <rinpatch@sdf.org>
Date: Tue, 21 May 2019 09:13:10 +0300
Subject: [PATCH] Add poll limits to /api/v1/instance and initial state

---
 config/config.exs                                       | 6 ++++++
 docs/config.md                                          | 5 +++++
 lib/pleroma/web/mastodon_api/mastodon_api_controller.ex | 4 +++-
 test/web/mastodon_api/mastodon_api_controller_test.exs  | 3 ++-
 4 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/config/config.exs b/config/config.exs
index 9a10b0ff7..47d8dfb42 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -211,6 +211,12 @@
   avatar_upload_limit: 2_000_000,
   background_upload_limit: 4_000_000,
   banner_upload_limit: 4_000_000,
+  poll_limits: %{
+    max_options: 20,
+    max_option_chars: 200,
+    min_expiration: 0,
+    max_expiration: 365 * 24 * 60 * 60
+  },
   registrations_open: true,
   federating: true,
   federation_reachability_timeout_days: 7,
diff --git a/docs/config.md b/docs/config.md
index 450d73fda..f9903332c 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -71,6 +71,11 @@ config :pleroma, Pleroma.Emails.Mailer,
 * `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)
 * `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.
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index 1051861ff..81cc5a972 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -197,7 +197,8 @@ def masto_instance(conn, _params) do
       languages: ["en"],
       registrations: Pleroma.Config.get([:instance, :registrations_open]),
       # Extra (not present in Mastodon):
-      max_toot_chars: Keyword.get(instance, :limit)
+      max_toot_chars: Keyword.get(instance, :limit),
+      poll_limits: Keyword.get(instance, :poll_limits)
     }
 
     json(conn, response)
@@ -1331,6 +1332,7 @@ def index(%{assigns: %{user: user}} = conn, _params) do
             max_toot_chars: limit,
             mascot: "/images/pleroma-fox-tan-smol.png"
           },
+          poll_limits: Config.get([:instance, :poll_limits]),
           rights: %{
             delete_others_notice: present?(user.info.is_moderator),
             admin: present?(user.info.is_admin)
diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs
index 68fe9c1b4..48268d4f7 100644
--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
@@ -2494,7 +2494,8 @@ test "get instance information", %{conn: conn} do
              "stats" => _,
              "thumbnail" => _,
              "languages" => _,
-             "registrations" => _
+             "registrations" => _,
+             "poll_limits" => _
            } = result
 
     assert email == from_config_email