Merge branch 'bugfix/hubzilla-compat' into 'develop'

hubzilla compatibility

Closes #100

See merge request pleroma/pleroma!160

11 files changed, 126 insertions, 14 deletions

diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index efde652f5..2d0e10cad 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -1,5 +1,6 @@
 defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
   alias Pleroma.Web.HTTPSignatures
+  alias Pleroma.Web.ActivityPub.Utils
   import Plug.Conn
   require Logger
 
@@ -12,7 +13,7 @@ defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
   end
 
   def call(conn, _opts) do
-    user = conn.params["actor"]
+    user = Utils.normalize_actor(conn.params["actor"])
     Logger.debug("Checking sig for #{user}")
     [signature | _] = get_req_header(conn, "signature")
 
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 399a66787..6a8129ac8 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -404,18 +404,22 @@ defmodule Pleroma.User do
       from(
         u in User,
         select_merge: %{
-          search_distance: fragment(
-            "? <-> (? || ?)",
-            ^query,
-            u.nickname,
-            u.name
-          )}
+          search_distance:
+            fragment(
+              "? <-> (? || ?)",
+              ^query,
+              u.nickname,
+              u.name
+            )
+        }
       )
 
-    q = from(s in subquery(inner),
-      order_by: s.search_distance,
-      limit: 20
-    )
+    q =
+      from(
+        s in subquery(inner),
+        order_by: s.search_distance,
+        limit: 20
+      )
 
     Repo.all(q)
   end
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 491ad3705..3e1977f96 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -401,6 +401,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
           "url" => [%{"href" => data["image"]["url"]}]
         }
 
+    data = Transmogrifier.maybe_fix_user_object(data)
+
     user_data = %{
       ap_id: data["id"],
       info: %{
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 463d1e59d..c10d27dcd 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -495,4 +495,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
       Repo.delete_all(q)
     end
   end
+
+  def maybe_fix_user_url(data) do
+    if is_map(data["url"]) do
+      data = Map.put(data, "url", data["url"]["href"])
+    end
+
+    data
+  end
+
+  def maybe_fix_user_object(data) do
+    data
+    |> maybe_fix_user_url
+  end
 end
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index f98545336..d92db0d5f 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -5,6 +5,22 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   alias Ecto.{Changeset, UUID}
   import Ecto.Query
 
+  # 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 normalize_actor(actor) do
+    cond do
+      is_binary(actor) ->
+        actor
+
+      is_map(actor) ->
+        actor["id"]
+    end
+  end
+
+  def normalize_params(params) do
+    Map.put(params, "actor", normalize_actor(params["actor"]))
+  end
+
   def make_json_ld_header do
     %{
       "@context" => [
diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index f84af2f15..8ca530031 100644
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -5,6 +5,7 @@ defmodule Pleroma.Web.Federator do
   alias Pleroma.Web.{WebFinger, Websub}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
+  alias Pleroma.Web.ActivityPub.Utils
   require Logger
 
   @websub Application.get_env(:pleroma, :websub)
@@ -91,6 +92,8 @@ defmodule Pleroma.Web.Federator do
   def handle(:incoming_ap_doc, params) do
     Logger.info("Handling incoming AP activity")
 
+    params = Utils.normalize_params(params)
+
     with {:ok, _user} <- ap_enabled_actor(params["actor"]),
          nil <- Activity.get_by_ap_id(params["id"]),
          {:ok, _activity} <- Transmogrifier.handle_incoming(params) do
diff --git a/lib/pleroma/web/http_signatures/http_signatures.ex b/lib/pleroma/web/http_signatures/http_signatures.ex
index 9035f5eb6..dd3f825db 100644
--- a/lib/pleroma/web/http_signatures/http_signatures.ex
+++ b/lib/pleroma/web/http_signatures/http_signatures.ex
@@ -1,7 +1,7 @@
 # https://tools.ietf.org/html/draft-cavage-http-signatures-08
 defmodule Pleroma.Web.HTTPSignatures do
   alias Pleroma.User
-  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Utils
   require Logger
 
   def split_signature(sig) do
@@ -31,14 +31,14 @@ defmodule Pleroma.Web.HTTPSignatures do
   def validate_conn(conn) do
     # TODO: How to get the right key and see if it is actually valid for that request.
     # For now, fetch the key for the actor.
-    with actor_id <- conn.params["actor"],
+    with actor_id <- Utils.normalize_actor(conn.params["actor"]),
          {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
       if validate_conn(conn, public_key) do
         true
       else
         Logger.debug("Could not validate, re-fetching user and trying one more time")
         # Fetch user anew and try one more time
-        with actor_id <- conn.params["actor"],
+        with actor_id <- Utils.normalize_actor(conn.params["actor"]),
              {:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id),
              {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
           validate_conn(conn, public_key)
diff --git a/test/fixtures/httpoison_mock/kaniini@hubzilla.example.org.json b/test/fixtures/httpoison_mock/kaniini@hubzilla.example.org.json
new file mode 100644
index 000000000..11c79e11e
--- /dev/null
+++ b/test/fixtures/httpoison_mock/kaniini@hubzilla.example.org.json
@@ -0,0 +1 @@
+{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1","https://hubzilla.example.org/apschema/v1.2"],"type":"Person","id":"https://hubzilla.example.org/channel/kaniini","preferredUsername":"kaniini","name":"kaniini","icon":{"type":"Image","mediaType":"image/jpeg","url":"https://hubzilla.example.org/photo/profile/l/281","height":300,"width":300},"url":{"type":"Link","mediaType":"text/html","href":"https://hubzilla.example.org/channel/kaniini"},"inbox":"https://hubzilla.example.org/inbox/kaniini","outbox":"https://hubzilla.example.org/outbox/kaniini","followers":"https://hubzilla.example.org/followers/kaniini","following":"https://hubzilla.example.org/following/kaniini","endpoints":{"sharedInbox":"https://hubzilla.example.org/inbox"},"publicKey":{"id":"https://hubzilla.example.org/channel/kaniini/public_key_pem","owner":"https://hubzilla.example.org/channel/kaniini","publicKeyPem":"-----BEGIN PUBLIC KEY-----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\nDropXWaOfy7Lac+G4qlfSgsCAwEAAQ==\n-----END PUBLIC KEY-----\n"},"nomadicLocations":[{"id":"https://hubzilla.example.org/locs/kaniini","type":"nomadicLocation","locationAddress":"acct:kaniini@hubzilla.example.org","locationPrimary":true,"locationDeleted":false}],"signature":{"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1"],"type":"RsaSignature2017","nonce":"6b981a2f3bdcffc20252e3b131d4a4569fd2dea9fac543e5196136302f492694","creator":"https://hubzilla.example.org/channel/kaniini/public_key_pem","created":"2018-05-19T08:19:13Z","signatureValue":"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"}}
diff --git a/test/fixtures/hubzilla-follow-activity.json b/test/fixtures/hubzilla-follow-activity.json
new file mode 100644
index 000000000..2fcc70029
--- /dev/null
+++ b/test/fixtures/hubzilla-follow-activity.json
@@ -0,0 +1,31 @@
+{
+  "type": "Follow",
+  "signature": {
+    "type": "RsaSignature2017",
+    "signatureValue": "Kn1/UkAQGJVaXBfWLAHcnwHg8YMAUqlEaBuYLazAG+pz5hqivsyrBmPV186Xzr+B4ZLExA9+SnOoNx/GOz4hBm0kAmukNSILAsUd84tcJ2yT9zc1RKtembK4WiwOw7li0+maeDN0HaB6t+6eTqsCWmtiZpprhXD8V1GGT8yG7X24fQ9oFGn+ng7lasbcCC0988Y1eGqNe7KryxcPuQz57YkDapvtONzk8gyLTkZMV4De93MyRHq6GVjQVIgtiYabQAxrX6Q8C+4P/jQoqdWJHEe+MY5JKyNaT/hMPt2Md1ok9fZQBGHlErk22/zy8bSN19GdG09HmIysBUHRYpBLig==",
+    "creator": "https://hubzilla.example.org/channel/kaniini#main-key",
+    "created": "2018-02-17T13:29:31Z"
+  },
+  "object": "https://localtesting.pleroma.lol/users/lain",
+  "nickname": "lain",
+  "id": "https://hubzilla.example.org/channel/kaniini#follows/2",
+  "actor": {
+    "id": "https://hubzilla.example.org/channel/kaniini"
+  },
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    "https://w3id.org/security/v1",
+    {
+      "toot": "http://joinmastodon.org/ns#",
+      "sensitive": "as:sensitive",
+      "ostatus": "http://ostatus.org#",
+      "movedTo": "as:movedTo",
+      "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
+      "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
+      "conversation": "ostatus:conversation",
+      "atomUri": "ostatus:atomUri",
+      "Hashtag": "as:Hashtag",
+      "Emoji": "toot:Emoji"
+    }
+  ]
+}
diff --git a/test/support/httpoison_mock.ex b/test/support/httpoison_mock.ex
index 4a5a9ea85..6bbae70e1 100644
--- a/test/support/httpoison_mock.ex
+++ b/test/support/httpoison_mock.ex
@@ -628,6 +628,18 @@ defmodule HTTPoisonMock do
      }}
   end
 
+  def get(
+        "https://hubzilla.example.org/channel/kaniini",
+        [Accept: "application/activity+json"],
+        _
+      ) do
+    {:ok,
+     %Response{
+       status_code: 200,
+       body: File.read!("test/fixtures/httpoison_mock/kaniini@hubzilla.example.org.json")
+     }}
+  end
+
   def get("https://masto.quad.moe/users/_HellPie", [Accept: "application/activity+json"], _) do
     {:ok,
      %Response{
diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
index a3408da9d..d8579ecfe 100644
--- a/test/web/activity_pub/transmogrifier_test.exs
+++ b/test/web/activity_pub/transmogrifier_test.exs
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
   use Pleroma.DataCase
   alias Pleroma.Web.ActivityPub.Transmogrifier
+  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.OStatus
   alias Pleroma.Activity
   alias Pleroma.User
@@ -118,6 +119,23 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert User.following?(User.get_by_ap_id(data["actor"]), user)
     end
 
+    test "it works for incoming follow requests from hubzilla" do
+      user = insert(:user)
+
+      data =
+        File.read!("test/fixtures/hubzilla-follow-activity.json")
+        |> Poison.decode!()
+        |> Map.put("object", user.ap_id)
+        |> Utils.normalize_params()
+
+      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+      assert data["actor"] == "https://hubzilla.example.org/channel/kaniini"
+      assert data["type"] == "Follow"
+      assert data["id"] == "https://hubzilla.example.org/channel/kaniini#follows/2"
+      assert User.following?(User.get_by_ap_id(data["actor"]), user)
+    end
+
     test "it works for incoming likes" do
       user = insert(:user)
       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
@@ -420,4 +438,15 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert Repo.get(WebsubClientSubscription, ws2.id)
     end
   end
+
+  describe "actor rewriting" do
+    test "it fixes the actor URL property to be a proper URI" do
+      data = %{
+        "url" => %{"href" => "http://example.com"}
+      }
+
+      rewritten = Transmogrifier.maybe_fix_user_object(data)
+      assert rewritten["url"] == "http://example.com"
+    end
+  end
 end