tests for Pleroma.Signature

lib/pleroma/keys.ex

@@ -35,10 +35,12 @@ def generate_rsa_pem do
   end
 
   def keys_from_pem(pem) do
-    [private_key_code] = :public_key.pem_decode(pem)
+    with [private_key_code] <- :public_key.pem_decode(pem),
-    private_key = :public_key.pem_entry_decode(private_key_code)
+         private_key <- :public_key.pem_entry_decode(private_key_code),
-    {:RSAPrivateKey, _, modulus, exponent, _, _, _, _, _, _, _} = private_key
+         {:RSAPrivateKey, _, modulus, exponent, _, _, _, _, _, _, _} <- private_key do
-    public_key = {:RSAPublicKey, modulus, exponent}
+      {:ok, private_key, {:RSAPublicKey, modulus, exponent}}
-    {:ok, private_key, public_key}
+    else
+      error -> {:error, error}
+    end
   end
 end

lib/pleroma/user.ex

@@ -1190,10 +1190,12 @@ def public_key_from_info(%{
   end
 
   # OStatus Magic Key
-  def public_key_from_info(%{magic_key: magic_key}) do
+  def public_key_from_info(%{magic_key: magic_key}) when not is_nil(magic_key) do
     {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
   end
 
+  def public_key_from_info(_), do: {:error, "not found key"}
+
   def get_public_key_for_ap_id(ap_id) do
     with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id),
          {:ok, public_key} <- public_key_from_info(user.info) do
@@ -1379,23 +1381,16 @@ def get_mascot(%{info: %{mascot: mascot}}) when is_nil(mascot) do
     }
   end
 
-  def ensure_keys_present(user) do
+  def ensure_keys_present(%User{info: info} = user) do
-    info = user.info
-
     if info.keys do
       {:ok, user}
     else
       {:ok, pem} = Keys.generate_rsa_pem()
 
-      info_cng =
+      user
-        info
+      |> Ecto.Changeset.change()
-        |> User.Info.set_keys(pem)
+      |> Ecto.Changeset.put_embed(:info, User.Info.set_keys(info, pem))
-
+      |> update_and_set_cache()
-      cng =
-        Ecto.Changeset.change(user)
-        |> Ecto.Changeset.put_embed(:info, info_cng)
-
-      update_and_set_cache(cng)
     end
   end
 

lib/pleroma/web/activity_pub/utils.ex

@@ -25,12 +25,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   # Some implementations send the actor URI as the actor field, others send the entire actor object,
   # so figure out what the actor's URI is based on what we have.
-  def get_ap_id(object) do
+  def get_ap_id(%{"id" => id} = _), do: id
-    case object do
+  def get_ap_id(id), do: id
-      %{"id" => id} -> id
-      id -> id
-    end
-  end
 
   def normalize_params(params) do
     Map.put(params, "actor", get_ap_id(params["actor"]))

test/signature_test.exs

@@ -0,0 +1,99 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.SignatureTest do
+  use Pleroma.DataCase
+
+  import Pleroma.Factory
+  import Tesla.Mock
+
+  alias Pleroma.Signature
+
+  setup do
+    mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
+    :ok
+  end
+
+  @private_key "-----BEGIN RSA PRIVATE KEY-----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\n3Z7TQ18Iyh3jAUCzFV9IJlLIExq5Y7P4B3ojWFBN607sDCt8BMPbDYs=\n-----END RSA PRIVATE KEY-----"
+
+  @public_key %{
+    "id" => "https://mastodon.social/users/lambadalambda#main-key",
+    "owner" => "https://mastodon.social/users/lambadalambda",
+    "publicKeyPem" =>
+      "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw0P/Tq4gb4G/QVuMGbJo\nC/AfMNcv+m7NfrlOwkVzcU47jgESuYI4UtJayissCdBycHUnfVUd9qol+eznSODz\nCJhfJloqEIC+aSnuEPGA0POtWad6DU0E6/Ho5zQn5WAWUwbRQqowbrsm/GHo2+3v\neR5jGenwA6sYhINg/c3QQbksyV0uJ20Umyx88w8+TJuv53twOfmyDWuYNoQ3y5cc\nHKOZcLHxYOhvwg3PFaGfFHMFiNmF40dTXt9K96r7sbzc44iLD+VphbMPJEjkMuf8\nPGEFOBzy8pm3wJZw2v32RNW2VESwMYyqDzwHXGSq1a73cS7hEnc79gXlELsK04L9\nQQIDAQAB\n-----END PUBLIC KEY-----\n"
+  }
+
+  @rsa_public_key {
+    :RSAPublicKey,
+    24_650_000_183_914_698_290_885_268_529_673_621_967_457_234_469_123_179_408_466_269_598_577_505_928_170_923_974_132_111_403_341_217_239_999_189_084_572_368_839_502_170_501_850_920_051_662_384_964_248_315_257_926_552_945_648_828_895_432_624_227_029_881_278_113_244_073_644_360_744_504_606_177_648_469_825_063_267_913_017_309_199_785_535_546_734_904_379_798_564_556_494_962_268_682_532_371_146_333_972_821_570_577_277_375_020_977_087_539_994_500_097_107_935_618_711_808_260_846_821_077_839_605_098_669_707_417_692_791_905_543_116_911_754_774_323_678_879_466_618_738_207_538_013_885_607_095_203_516_030_057_611_111_308_904_599_045_146_148_350_745_339_208_006_497_478_057_622_336_882_506_112_530_056_970_653_403_292_123_624_453_213_574_011_183_684_739_084_105_206_483_178_943_532_208_537_215_396_831_110_268_758_639_826_369_857,
+    # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
+    65_537
+  }
+
+  describe "fetch_public_key/1" do
+    test "it returns key" do
+      expected_result = {:ok, @rsa_public_key}
+
+      user = insert(:user, %{info: %{source_data: %{"publicKey" => @public_key}}})
+
+      assert Signature.fetch_public_key(%Plug.Conn{params: %{"actor" => user.ap_id}}) ==
+               expected_result
+    end
+
+    test "it returns error when not found user" do
+      assert Signature.fetch_public_key(%Plug.Conn{params: %{"actor" => "test-ap_id"}}) ==
+               {:error, :error}
+    end
+
+    test "it returns error if public key is empty" do
+      user = insert(:user, %{info: %{source_data: %{"publicKey" => %{}}}})
+
+      assert Signature.fetch_public_key(%Plug.Conn{params: %{"actor" => user.ap_id}}) ==
+               {:error, :error}
+    end
+  end
+
+  describe "refetch_public_key/1" do
+    test "it returns key" do
+      ap_id = "https://mastodon.social/users/lambadalambda"
+
+      assert Signature.refetch_public_key(%Plug.Conn{params: %{"actor" => ap_id}}) ==
+               {:ok, @rsa_public_key}
+    end
+
+    test "it returns error when not found user" do
+      assert Signature.refetch_public_key(%Plug.Conn{params: %{"actor" => "test-ap_id"}}) ==
+               {:error, {:error, :ok}}
+    end
+  end
+
+  describe "sign/2" do
+    test "it returns signature headers" do
+      user =
+        insert(:user, %{
+          ap_id: "https://mastodon.social/users/lambadalambda",
+          info: %{keys: @private_key}
+        })
+
+      assert Signature.sign(
+               user,
+               %{
+                 host: "test.test",
+                 "content-length": 100
+               }
+             ) ==
+               "keyId=\"https://mastodon.social/users/lambadalambda#main-key\",algorithm=\"rsa-sha256\",headers=\"content-length host\",signature=\"sibUOoqsFfTDerquAkyprxzDjmJm6erYc42W5w1IyyxusWngSinq5ILTjaBxFvfarvc7ci1xAi+5gkBwtshRMWm7S+Uqix24Yg5EYafXRun9P25XVnYBEIH4XQ+wlnnzNIXQkU3PU9e6D8aajDZVp3hPJNeYt1gIPOA81bROI8/glzb1SAwQVGRbqUHHHKcwR8keiR/W2h7BwG3pVRy4JgnIZRSW7fQogKedDg02gzRXwUDFDk0pr2p3q6bUWHUXNV8cZIzlMK+v9NlyFbVYBTHctAR26GIAN6Hz0eV0mAQAePHDY1mXppbA8Gpp6hqaMuYfwifcXmcc+QFm4e+n3A==\""
+    end
+
+    test "it returns error" do
+      user =
+        insert(:user, %{ap_id: "https://mastodon.social/users/lambadalambda", info: %{keys: ""}})
+
+      assert Signature.sign(
+               user,
+               %{host: "test.test", "content-length": 100}
+             ) == {:error, []}
+    end
+  end
+end