X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fostatus%2Fostatus.ex;h=5a44b86610301dcea139e5c30f6f5994adc1105d;hb=00a7183118d90946bf243d0f5488db65f8a6f16f;hp=f81751a256a4ae0e9089498f1fd39ad7bc89d88c;hpb=8141024259ee4bebd58d6ecd963f181aad420846;p=akkoma

diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
index f81751a25..5a44b8661 100644
--- a/lib/pleroma/web/ostatus/ostatus.ex
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -1,9 +1,11 @@
 defmodule Pleroma.Web.OStatus do
+  @httpoison Application.get_env(:pleroma, :httpoison)
+
   import Ecto.Query
   import Pleroma.Web.XML
   require Logger
 
-  alias Pleroma.{Repo, User, Web, Object}
+  alias Pleroma.{Repo, User, Web, Object, Activity}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.{WebFinger, Websub}
 
@@ -24,21 +26,76 @@ defmodule Pleroma.Web.OStatus do
     entries = :xmerl_xpath.string('//entry', doc)
 
     activities = Enum.map(entries, fn (entry) ->
-      {:xmlObj, :string, object_type } = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
+      {:xmlObj, :string, object_type} = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
+      {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
 
-      case object_type do
-        'http://activitystrea.ms/schema/1.0/note' ->
-          with {:ok, activity} <- handle_note(entry, doc), do: activity
-        'http://activitystrea.ms/schema/1.0/comment' ->
-          with {:ok, activity} <- handle_note(entry, doc), do: activity
+      case verb do
+        'http://activitystrea.ms/schema/1.0/share' ->
+          with {:ok, activity, retweeted_activity} <- handle_share(entry, doc), do: [activity, retweeted_activity]
+        'http://activitystrea.ms/schema/1.0/favorite' ->
+          with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc), do: [activity, favorited_activity]
         _ ->
-          Logger.error("Couldn't parse incoming document")
-          nil
+          case object_type do
+            'http://activitystrea.ms/schema/1.0/note' ->
+              with {:ok, activity} <- handle_note(entry, doc), do: activity
+            'http://activitystrea.ms/schema/1.0/comment' ->
+              with {:ok, activity} <- handle_note(entry, doc), do: activity
+            _ ->
+              Logger.error("Couldn't parse incoming document")
+              nil
+          end
       end
     end)
     {:ok, activities}
   end
 
+  def make_share(_entry, doc, retweeted_activity) do
+    with {:ok, actor} <- find_make_or_update_user(doc),
+         %Object{} = object <- Object.get_cached_by_ap_id(retweeted_activity.data["object"]["id"]),
+         {:ok, activity, _object} = ActivityPub.announce(actor, object, false) do
+      {:ok, activity}
+    end
+  end
+
+  def handle_share(entry, doc) do
+    with [object] <- :xmerl_xpath.string('/entry/activity:object', entry),
+         {:ok, retweeted_activity} <-  handle_note(object, object),
+         {:ok, activity} <- make_share(entry, doc, retweeted_activity) do
+      {:ok, activity, retweeted_activity}
+    else
+      e -> {:error, e}
+    end
+  end
+
+  def make_favorite(_entry, doc, favorited_activity) do
+    with {:ok, actor} <- find_make_or_update_user(doc),
+         %Object{} = object <- Object.get_cached_by_ap_id(favorited_activity.data["object"]["id"]),
+         {:ok, activity, _object} = ActivityPub.like(actor, object, false) do
+      {:ok, activity}
+    end
+  end
+
+  def get_or_try_fetching(entry) do
+    with id when not is_nil(id) <- string_from_xpath("//activity:object[1]/id", entry),
+         %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
+      {:ok, activity}
+    else _e ->
+        with href when not is_nil(href) <- string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
+             {:ok, [favorited_activity]} <- fetch_activity_from_html_url(href) do
+          {:ok, favorited_activity}
+        end
+    end
+  end
+
+  def handle_favorite(entry, doc) do
+    with {:ok, favorited_activity} <- get_or_try_fetching(entry),
+         {:ok, activity} <- make_favorite(entry, doc, favorited_activity) do
+      {:ok, activity, favorited_activity}
+    else
+      e -> {:error, e}
+    end
+  end
+
   def get_attachments(entry) do
     :xmerl_xpath.string('/entry/link[@rel="enclosure"]', entry)
     |> Enum.map(fn (enclosure) ->
@@ -58,13 +115,13 @@ defmodule Pleroma.Web.OStatus do
   end
 
   def handle_note(entry, doc \\ nil) do
-    content_html = string_from_xpath("/entry/content[1]", entry)
+    content_html = string_from_xpath("//content[1]", entry)
 
     [author] = :xmerl_xpath.string('//author[1]', doc)
     {:ok, actor} = find_make_or_update_user(author)
-    inReplyTo = string_from_xpath("/entry/thr:in-reply-to[1]/@ref", entry)
+    inReplyTo = string_from_xpath("//thr:in-reply-to[1]/@ref", entry)
 
-    context = (string_from_xpath("/entry/ostatus:conversation[1]", entry) || "") |> String.trim
+    context = (string_from_xpath("//ostatus:conversation[1]", entry) || "") |> String.trim
 
     attachments = get_attachments(entry)
 
@@ -82,13 +139,13 @@ defmodule Pleroma.Web.OStatus do
       "https://www.w3.org/ns/activitystreams#Public"
     ]
 
-    mentions = :xmerl_xpath.string('/entry/link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
+    mentions = :xmerl_xpath.string('//link[@rel="mentioned" and @ostatus:object-type="http://activitystrea.ms/schema/1.0/person"]', entry)
     |> Enum.map(fn(person) -> string_from_xpath("@href", person) end)
 
     to = to ++ mentions
 
-    date = string_from_xpath("/entry/published", entry)
-    id = string_from_xpath("/entry/id", entry)
+    date = string_from_xpath("//published", entry)
+    id = string_from_xpath("//id", entry)
 
     object = %{
       "id" => id,
@@ -182,8 +239,34 @@ defmodule Pleroma.Web.OStatus do
          {:ok, feed_data} <- Websub.gather_feed_data(webfinger_data["topic"]) do
       {:ok, Map.merge(webfinger_data, feed_data) |> Map.put("fqn", username)}
     else e ->
-      Logger.debug("Couldn't gather info for #{username}")
+      Logger.debug(fn -> "Couldn't gather info for #{username}" end)
       {:error, e}
     end
   end
+
+  # Regex-based 'parsing' so we don't have to pull in a full html parser
+  # It's a hack anyway. Maybe revisit this in the future
+  @mastodon_regex ~r/<link href='(.*)' rel='alternate' type='application\/atom\+xml'>/
+  @gs_regex ~r/<link title=.* href="(.*)" type="application\/atom\+xml" rel="alternate">/
+  def get_atom_url(body) do
+    cond do
+      Regex.match?(@mastodon_regex, body) ->
+        [[_, match]] = Regex.scan(@mastodon_regex, body)
+        {:ok, match}
+      Regex.match?(@gs_regex, body) ->
+        [[_, match]] = Regex.scan(@gs_regex, body)
+        {:ok, match}
+      true ->
+        Logger.debug(fn -> "Couldn't find atom link in #{inspect(body)}" end)
+        {:error, "Couldn't find the atom link"}
+    end
+  end
+
+  def fetch_activity_from_html_url(url) do
+    with {:ok, %{body: body}} <- @httpoison.get(url),
+         {:ok, atom_url} <- get_atom_url(body),
+         {:ok, %{status_code: code, body: body}} when code in 200..299 <- @httpoison.get(atom_url) do
+      handle_incoming(body)
+    end
+  end
 end