X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Ftwitter_api%2Ftwitter_api.ex;h=793a55250ce7ca3af8a571c2a5d84706df8cc8b3;hb=b403ea4d2b69cef4434ad68babdfb402d8227847;hp=16e05ded36707505e7fcdc63aaf3abbcfec2b423;hpb=9a8850eb9ec9eba9350fcb6aadf70fd966623c94;p=akkoma

diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index 16e05ded3..793a55250 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -1,33 +1,353 @@
 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
-  alias Pleroma.User
+  alias Pleroma.{User, Activity, Repo, Object}
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Repo
-  alias Pleroma.Web.TwitterAPI.Representers.ActivityRepresenter
-
-  def create_status(user = %User{}, data = %{}) do
-    activity = %{
-      type: "Create",
-      to: [
-        User.ap_followers(user),
-        "https://www.w3.org/ns/activitystreams#Public"
-      ],
-      actor: User.ap_id(user),
-      object: %{
-        type: "Note",
-        content: data.status
+  alias Pleroma.Web.TwitterAPI.Representers.{ActivityRepresenter, UserRepresenter}
+
+  import Ecto.Query
+
+  def to_for_user_and_mentions(user, mentions) do
+    default_to = [
+      User.ap_followers(user),
+      "https://www.w3.org/ns/activitystreams#Public"
+    ]
+
+    default_to ++ Enum.map(mentions, fn ({_, %{ap_id: ap_id}}) -> ap_id end)
+  end
+
+  def format_input(text, mentions) do
+    HtmlSanitizeEx.strip_tags(text)
+    |> String.replace("\n", "<br>")
+    |> add_user_links(mentions)
+  end
+
+  def attachments_from_ids(ids) do
+    Enum.map(ids || [], fn (media_id) ->
+      Repo.get(Object, media_id).data
+    end)
+  end
+
+  def get_replied_to_activity(id) when not is_nil(id) do
+    Repo.get(Activity, id)
+  end
+
+  def get_replied_to_activity(_), do: nil
+
+  def add_attachments(text, attachments) do
+    attachment_text = Enum.map(attachments, fn
+      (%{"url" => [%{"href" => href} | _]}) ->
+        "<a href='#{href}'>#{href}</a>"
+      _ -> ""
+    end)
+    Enum.join([text | attachment_text], "<br>")
+    end
+
+  def create_status(%User{} = user, %{"status" => status} = data) do
+    attachments = attachments_from_ids(data["media_ids"])
+    context = ActivityPub.generate_context_id
+    mentions = parse_mentions(status)
+    content_html = status
+    |> format_input(mentions)
+    |> add_attachments(attachments)
+
+    to = to_for_user_and_mentions(user, mentions)
+    date = make_date()
+
+    inReplyTo = get_replied_to_activity(data["in_reply_to_status_id"])
+
+    # Wire up reply info.
+    [to, context, object, additional] =
+      if inReplyTo do
+      context = inReplyTo.data["context"]
+      to = to ++ [inReplyTo.data["actor"]]
+
+      object = %{
+        "type" => "Note",
+        "to" => to,
+        "content" => content_html,
+        "published" => date,
+        "context" => context,
+        "attachment" => attachments,
+        "actor" => user.ap_id,
+        "inReplyTo" => inReplyTo.data["object"]["id"],
+        "inReplyToStatusId" => inReplyTo.id,
+      }
+      additional = %{}
+
+      [to, context, object, additional]
+      else
+      object = %{
+        "type" => "Note",
+        "to" => to,
+        "content" => content_html,
+        "published" => date,
+        "context" => context,
+        "attachment" => attachments,
+        "actor" => user.ap_id
       }
+      [to, context, object, %{}]
+    end
+
+    ActivityPub.create(to, user, context, object, additional, data)
+  end
+
+  def fetch_friend_statuses(user, opts \\ %{}) do
+    ActivityPub.fetch_activities([user.ap_id | user.following], opts)
+    |> activities_to_statuses(%{for: user})
+  end
+
+  def fetch_public_statuses(user, opts \\ %{}) do
+    opts = Map.put(opts, "local_only", true)
+    ActivityPub.fetch_public_activities(opts)
+    |> activities_to_statuses(%{for: user})
+  end
+
+  def fetch_public_and_external_statuses(user, opts \\ %{}) do
+    ActivityPub.fetch_public_activities(opts)
+    |> activities_to_statuses(%{for: user})
+  end
+
+  def fetch_user_statuses(user, opts \\ %{}) do
+    ActivityPub.fetch_activities([], opts)
+    |> activities_to_statuses(%{for: user})
+  end
+
+  def fetch_mentions(user, opts \\ %{}) do
+    ActivityPub.fetch_activities([user.ap_id], opts)
+    |> activities_to_statuses(%{for: user})
+  end
+
+  def fetch_conversation(user, id) do
+    with context when is_binary(context) <- conversation_id_to_context(id),
+         activities <- ActivityPub.fetch_activities_for_context(context),
+         statuses <- activities |> activities_to_statuses(%{for: user})
+    do
+      statuses
+    else _e ->
+      []
+    end
+  end
+
+  def fetch_status(user, id) do
+    with %Activity{} = activity <- Repo.get(Activity, id) do
+      activity_to_status(activity, %{for: user})
+    end
+  end
+
+  def follow(%User{} = follower, params) do
+    with {:ok, %User{} = followed} <- get_user(params),
+         {:ok, follower} <- User.follow(follower, followed),
+         {:ok, activity} <- ActivityPub.follow(follower, followed)
+    do
+      {:ok, follower, followed, activity}
+    else
+      err -> err
+    end
+  end
+
+  def unfollow(%User{} = follower, params) do
+    with { :ok, %User{} = unfollowed } <- get_user(params),
+         { :ok, follower, follow_activity } <- User.unfollow(follower, unfollowed),
+         { :ok, _activity } <- ActivityPub.insert(%{
+           "type" => "Undo",
+           "actor" => follower.ap_id,
+           "object" => follow_activity.data["id"], # get latest Follow for these users
+           "published" => make_date()
+         })
+    do
+      { :ok, follower, unfollowed }
+    else
+      err -> err
+    end
+  end
+
+  def favorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
+    object = Object.get_by_ap_id(object["id"])
+
+    {:ok, _like_activity, object} = ActivityPub.like(user, object)
+    new_data = activity.data
+    |> Map.put("object", object.data)
+
+    status = %{activity | data: new_data}
+    |> activity_to_status(%{for: user})
+
+    {:ok, status}
+  end
+
+  def unfavorite(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
+    object = Object.get_by_ap_id(object["id"])
+
+    {:ok, object} = ActivityPub.unlike(user, object)
+    new_data = activity.data
+    |> Map.put("object", object.data)
+
+    status = %{activity | data: new_data}
+    |> activity_to_status(%{for: user})
+
+    {:ok, status}
+  end
+
+  def retweet(%User{} = user, %Activity{data: %{"object" => object}} = activity) do
+    object = Object.get_by_ap_id(object["id"])
+
+    {:ok, _announce_activity, object} = ActivityPub.announce(user, object)
+    new_data = activity.data
+    |> Map.put("object", object.data)
+
+    status = %{activity | data: new_data}
+    |> activity_to_status(%{for: user})
+
+    {:ok, status}
+  end
+
+  def upload(%Plug.Upload{} = file, format \\ "xml") do
+    {:ok, object} = ActivityPub.upload(file)
+
+    url = List.first(object.data["url"])
+    href = url["href"]
+    type = url["mediaType"]
+
+    case format do
+      "xml" ->
+        # Fake this as good as possible...
+        """
+        <?xml version="1.0" encoding="UTF-8"?>
+        <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
+        <mediaid>#{object.id}</mediaid>
+        <media_id>#{object.id}</media_id>
+        <media_id_string>#{object.id}</media_id_string>
+        <media_url>#{href}</media_url>
+        <mediaurl>#{href}</mediaurl>
+        <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
+        </rsp>
+        """
+      "json" ->
+        %{
+          media_id: object.id,
+          media_id_string: "#{object.id}}",
+          media_url: href,
+          size: 0
+        } |> Poison.encode!
+    end
+  end
+
+  def parse_mentions(text) do
+    # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
+    regex = ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/
+
+    Regex.scan(regex, text)
+    |> List.flatten
+    |> Enum.uniq
+    |> Enum.map(fn ("@" <> match = full_match) -> {full_match, User.get_cached_by_nickname(match)} end)
+    |> Enum.filter(fn ({_match, user}) -> user end)
+  end
+
+  def add_user_links(text, mentions) do
+    Enum.reduce(mentions, text, fn ({match, %User{ap_id: ap_id}}, text) -> String.replace(text, match, "<a href='#{ap_id}'>#{match}</a>") end)
+  end
+
+  def register_user(params) do
+    params = %{
+      nickname: params["nickname"],
+      name: params["fullname"],
+      bio: params["bio"],
+      email: params["email"],
+      password: params["password"],
+      password_confirmation: params["confirm"]
     }
 
-    ActivityPub.insert(activity)
+    changeset = User.register_changeset(%User{}, params)
+
+    with {:ok, user} <- Repo.insert(changeset) do
+      {:ok, UserRepresenter.to_map(user)}
+    else
+      {:error, changeset} ->
+        errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
+      |> Poison.encode!
+      {:error, %{error: errors}}
+    end
   end
 
-  def fetch_public_statuses do
-    activities = ActivityPub.fetch_public_activities
+  def get_user(user \\ nil, params) do
+    case params do
+      %{"user_id" => user_id} ->
+        case target = Repo.get(User, user_id) do
+          nil ->
+            {:error, "No user with such user_id"}
+          _ ->
+            {:ok, target}
+        end
+      %{"screen_name" => nickname} ->
+        case target = Repo.get_by(User, nickname: nickname) do
+          nil ->
+            {:error, "No user with such screen_name"}
+          _ ->
+            {:ok, target}
+        end
+      _ ->
+        if user do
+          {:ok, user}
+        else
+          {:error, "You need to specify screen_name or user_id"}
+        end
+    end
+  end
 
+  defp activities_to_statuses(activities, opts) do
     Enum.map(activities, fn(activity) ->
-      actor = get_in(activity.data, ["actor"])
-      user = Repo.get_by!(User, ap_id: actor)
-      ActivityRepresenter.to_map(activity, %{user: user})
+      activity_to_status(activity, opts)
     end)
   end
+
+  # For likes, fetch the liked activity, too.
+  defp activity_to_status(%Activity{data: %{"type" => "Like"}} = activity, opts) do
+    actor = get_in(activity.data, ["actor"])
+    user = User.get_cached_by_ap_id(actor)
+    [liked_activity] = Activity.all_by_object_ap_id(activity.data["object"])
+
+    ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, liked_activity: liked_activity}))
+  end
+
+  # For announces, fetch the announced activity and the user.
+  defp activity_to_status(%Activity{data: %{"type" => "Announce"}} = activity, opts) do
+    actor = get_in(activity.data, ["actor"])
+    user = User.get_cached_by_ap_id(actor)
+    [announced_activity] = Activity.all_by_object_ap_id(activity.data["object"])
+    announced_actor = User.get_cached_by_ap_id(announced_activity.data["actor"])
+
+    ActivityRepresenter.to_map(activity, Map.merge(opts, %{users: [user, announced_actor], announced_activity: announced_activity}))
+  end
+
+  defp activity_to_status(activity, opts) do
+    actor = get_in(activity.data, ["actor"])
+    user = User.get_cached_by_ap_id(actor)
+    # mentioned_users = Repo.all(from user in User, where: user.ap_id in ^activity.data["to"])
+    mentioned_users = Enum.map(activity.data["to"] || [], fn (ap_id) ->
+      User.get_cached_by_ap_id(ap_id)
+    end)
+    |> Enum.filter(&(&1))
+
+    ActivityRepresenter.to_map(activity, Map.merge(opts, %{user: user, mentioned: mentioned_users}))
+  end
+
+  defp make_date do
+    DateTime.utc_now() |> DateTime.to_iso8601
+  end
+
+  def context_to_conversation_id(context) do
+    with %Object{id: id} <- Object.get_cached_by_ap_id(context) do
+      id
+    else _e ->
+      changeset = Object.context_mapping(context)
+      {:ok, %{id: id}} = Repo.insert(changeset)
+      id
+    end
+  end
+
+  def conversation_id_to_context(id) do
+    with %Object{data: %{"id" => context}} <- Repo.get(Object, id) do
+      context
+    else _e ->
+      {:error, "No such conversation"}
+    end
+  end
 end