From d369142a8e11b02066b734ef8900b27d7cd52bad Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Tue, 8 Jun 2021 14:04:46 -0500
Subject: Introduce Pleroma.Config.url/0 to bypass compile-time deps on
 Endpoint

---
 lib/pleroma/config.ex                              | 21 +++++++++++++++++++++
 .../activity_pub/object_validators/context_id.ex   |  4 ++--
 test/pleroma/config_test.exs                       | 22 ++++++++++++++++++++++
 3 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/config.ex b/lib/pleroma/config.ex
index 54e332595..2709f39bf 100644
--- a/lib/pleroma/config.ex
+++ b/lib/pleroma/config.ex
@@ -103,4 +103,25 @@ def oauth_consumer_enabled?, do: oauth_consumer_strategies() != []
   def feature_enabled?(feature_name) do
     get([:features, feature_name]) not in [nil, false, :disabled, :auto]
   end
+
+  @doc """
+  Get the URI directly from application config, bypassing the Endpoint module.
+  """
+  def uri do
+    # `Pleroma.Web.Endpoint` is only being used as a key here (for equality check),
+    # so it's okay to use `Module.concat/1` to have the compiler ignore it.
+    endpoint_key = Module.concat(["Pleroma.Web.Endpoint"])
+
+    url =
+      get([endpoint_key, :url])
+      |> Map.new()
+
+    struct(URI, url)
+  end
+
+  @doc """
+  Similar to `Pleroma.Web.Endpoint.url/0`.
+  May be used where needed to avoid a compile-time dep on Endpoint.
+  """
+  def url, do: URI.to_string(uri())
 end
diff --git a/lib/pleroma/ecto_type/activity_pub/object_validators/context_id.ex b/lib/pleroma/ecto_type/activity_pub/object_validators/context_id.ex
index 15f47d45f..880749266 100644
--- a/lib/pleroma/ecto_type/activity_pub/object_validators/context_id.ex
+++ b/lib/pleroma/ecto_type/activity_pub/object_validators/context_id.ex
@@ -6,7 +6,7 @@ defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.ContextID do
   use Ecto.Type
 
   alias Ecto.UUID
-  alias Pleroma.Web.Endpoint
+  alias Pleroma.Config
 
   def type, do: :string
 
@@ -19,6 +19,6 @@ def dump(data), do: {:ok, data}
   def load(data), do: {:ok, data}
 
   def autogenerate do
-    "#{Endpoint.url()}/contexts/#{UUID.generate()}"
+    "#{Config.url()}/contexts/#{UUID.generate()}"
   end
 end
diff --git a/test/pleroma/config_test.exs b/test/pleroma/config_test.exs
index 3158a2ec8..2a1bad84d 100644
--- a/test/pleroma/config_test.exs
+++ b/test/pleroma/config_test.exs
@@ -136,4 +136,26 @@ test "fetch/1" do
     Pleroma.Config.delete([:lorem])
     Pleroma.Config.delete([:ipsum])
   end
+
+  describe "URI functions" do
+    setup do
+      url = [host: "lain.com", scheme: "https", port: 443]
+      clear_config([Pleroma.Web.Endpoint, :url], url)
+    end
+
+    test "uri/0" do
+      expected = %URI{
+        scheme: "https",
+        host: "lain.com",
+        port: 443
+      }
+
+      assert Pleroma.Config.uri() == expected
+    end
+
+    test "url/0" do
+      expected = "https://lain.com"
+      assert Pleroma.Config.url() == expected
+    end
+  end
 end
-- 
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