[#1041] Rate-limited status actions (per user and per user+status).

test/plugs/rate_limiter_test.exs

@@ -10,12 +10,13 @@ defmodule Pleroma.Plugs.RateLimiterTest do
 
   import Pleroma.Factory
 
-  @limiter_name :testing
+  # Note: each example must work with separate buckets in order to prevent concurrency issues
 
   test "init/1" do
-    Pleroma.Config.put([:rate_limit, @limiter_name], {1, 1})
+    limiter_name = :test_init
+    Pleroma.Config.put([:rate_limit, limiter_name], {1, 1})
 
-    assert {@limiter_name, {1, 1}} == RateLimiter.init(@limiter_name)
+    assert {limiter_name, {1, 1}, []} == RateLimiter.init(limiter_name)
     assert nil == RateLimiter.init(:foo)
   end
 
@@ -24,14 +25,15 @@ defmodule Pleroma.Plugs.RateLimiterTest do
   end
 
   test "it restricts by opts" do
+    limiter_name = :test_opts
     scale = 1000
     limit = 5
 
-    Pleroma.Config.put([:rate_limit, @limiter_name], {scale, limit})
+    Pleroma.Config.put([:rate_limit, limiter_name], {scale, limit})
 
-    opts = RateLimiter.init(@limiter_name)
+    opts = RateLimiter.init(limiter_name)
     conn = conn(:get, "/")
-    bucket_name = "#{@limiter_name}:#{RateLimiter.ip(conn)}"
+    bucket_name = "#{limiter_name}:#{RateLimiter.ip(conn)}"
 
     conn = RateLimiter.call(conn, opts)
     assert {1, 4, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)
@@ -65,18 +67,78 @@ defmodule Pleroma.Plugs.RateLimiterTest do
     refute conn.halted
   end
 
+  test "`bucket_name` option overrides default bucket name" do
+    limiter_name = :test_bucket_name
+    scale = 1000
+    limit = 5
+
+    Pleroma.Config.put([:rate_limit, limiter_name], {scale, limit})
+    base_bucket_name = "#{limiter_name}:group1"
+    opts = RateLimiter.init({limiter_name, bucket_name: base_bucket_name})
+
+    conn = conn(:get, "/")
+    default_bucket_name = "#{limiter_name}:#{RateLimiter.ip(conn)}"
+    customized_bucket_name = "#{base_bucket_name}:#{RateLimiter.ip(conn)}"
+
+    RateLimiter.call(conn, opts)
+    assert {1, 4, _, _, _} = ExRated.inspect_bucket(customized_bucket_name, scale, limit)
+    assert {0, 5, _, _, _} = ExRated.inspect_bucket(default_bucket_name, scale, limit)
+  end
+
+  test "`params` option appends specified params' values to bucket name" do
+    limiter_name = :test_params
+    scale = 1000
+    limit = 5
+
+    Pleroma.Config.put([:rate_limit, limiter_name], {scale, limit})
+    opts = RateLimiter.init({limiter_name, params: ["id"]})
+    id = "1"
+
+    conn = conn(:get, "/?id=#{id}")
+    conn = Plug.Conn.fetch_query_params(conn)
+
+    default_bucket_name = "#{limiter_name}:#{RateLimiter.ip(conn)}"
+    parametrized_bucket_name = "#{limiter_name}:#{id}:#{RateLimiter.ip(conn)}"
+
+    RateLimiter.call(conn, opts)
+    assert {1, 4, _, _, _} = ExRated.inspect_bucket(parametrized_bucket_name, scale, limit)
+    assert {0, 5, _, _, _} = ExRated.inspect_bucket(default_bucket_name, scale, limit)
+  end
+
+  test "it supports combination of options modifying bucket name" do
+    limiter_name = :test_options_combo
+    scale = 1000
+    limit = 5
+
+    Pleroma.Config.put([:rate_limit, limiter_name], {scale, limit})
+    base_bucket_name = "#{limiter_name}:group1"
+    opts = RateLimiter.init({limiter_name, bucket_name: base_bucket_name, params: ["id"]})
+    id = "100"
+
+    conn = conn(:get, "/?id=#{id}")
+    conn = Plug.Conn.fetch_query_params(conn)
+
+    default_bucket_name = "#{limiter_name}:#{RateLimiter.ip(conn)}"
+    parametrized_bucket_name = "#{base_bucket_name}:#{id}:#{RateLimiter.ip(conn)}"
+
+    RateLimiter.call(conn, opts)
+    assert {1, 4, _, _, _} = ExRated.inspect_bucket(parametrized_bucket_name, scale, limit)
+    assert {0, 5, _, _, _} = ExRated.inspect_bucket(default_bucket_name, scale, limit)
+  end
+
   test "optional limits for authenticated users" do
+    limiter_name = :test_authenticated
     Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
 
     scale = 1000
     limit = 5
-    Pleroma.Config.put([:rate_limit, @limiter_name], [{1, 10}, {scale, limit}])
+    Pleroma.Config.put([:rate_limit, limiter_name], [{1, 10}, {scale, limit}])
 
-    opts = RateLimiter.init(@limiter_name)
+    opts = RateLimiter.init(limiter_name)
 
     user = insert(:user)
     conn = conn(:get, "/") |> assign(:user, user)
-    bucket_name = "#{@limiter_name}:#{user.id}"
+    bucket_name = "#{limiter_name}:#{user.id}"
 
     conn = RateLimiter.call(conn, opts)
     assert {1, 4, _, _, _} = ExRated.inspect_bucket(bucket_name, scale, limit)