Add basic auth.

test/plugs/authentication_plug_test.exs

@@ -0,0 +1,110 @@
+defmodule Pleroma.Plugs.AuthenticationPlugTest do
+  use Pleroma.Web.ConnCase, async: true
+
+  alias Pleroma.Plugs.AuthenticationPlug
+
+  defp fetch_nil(_name) do
+    {:ok, nil}
+  end
+
+  @user %{
+    id: 1,
+    name: "dude",
+    password_hash: Comeonin.Pbkdf2.hashpwsalt("guy")
+  }
+
+  defp fetch_user(_name) do
+    {:ok, @user}
+  end
+
+  defp basic_auth_enc(username, password) do
+    "Basic " <> Base.encode64("#{username}:#{password}")
+  end
+
+  describe "without an authorization header" do
+    test "it halts the application" do
+      conn = build_conn() |> AuthenticationPlug.call(%{})
+
+      assert conn.status == 403
+      assert conn.halted == true
+    end
+
+    test "it assigns a nil user if the 'optional' option is used" do
+      conn = build_conn() |> AuthenticationPlug.call(%{optional: true})
+
+      assert %{ user: nil } == conn.assigns
+    end
+  end
+
+  describe "with an authorization header for a nonexisting user" do
+    test "it halts the application" do
+      conn =
+        build_conn()
+        |> AuthenticationPlug.call(%{fetcher: &fetch_nil/1})
+
+      assert conn.status == 403
+      assert conn.halted == true
+    end
+
+    test "it assigns a nil user if the 'optional' option is used" do
+      conn =
+        build_conn()
+        |> AuthenticationPlug.call(%{optional: true, fetcher: &fetch_nil/1 })
+
+      assert %{ user: nil } == conn.assigns
+    end
+  end
+
+  describe "with an incorrect authorization header for a enxisting user" do
+    test "it halts the application" do
+      opts = %{
+        fetcher: &fetch_user/1
+      }
+
+      header = basic_auth_enc("dude", "man")
+
+      conn =
+        build_conn()
+        |> put_req_header("authorization", header)
+        |> AuthenticationPlug.call(opts)
+
+      assert conn.status == 403
+      assert conn.halted == true
+    end
+
+    test "it assigns a nil user if the 'optional' option is used" do
+      opts = %{
+        optional: true,
+        fetcher: &fetch_user/1
+      }
+
+      header = basic_auth_enc("dude", "man")
+
+      conn =
+        build_conn()
+        |> put_req_header("authorization", header)
+        |> AuthenticationPlug.call(opts)
+
+      assert %{ user: nil } == conn.assigns
+    end
+  end
+
+  describe "with a correct authorization header for an existing user" do
+    test "it assigns the user" do
+      opts = %{
+        optional: true,
+        fetcher: &fetch_user/1
+      }
+
+      header = basic_auth_enc("dude", "guy")
+
+      conn =
+        build_conn()
+        |> put_req_header("authorization", header)
+        |> AuthenticationPlug.call(opts)
+
+      assert %{ user: @user } == conn.assigns
+      assert conn.halted == false
+    end
+  end
+end