Unify object representation.
[akkoma] / lib / pleroma / user.ex
index af0e569a49f2280f51df92ac8d2899146eb4765f..8c1c524ffff8f8a60cbb28f61278c74860f75943 100644 (file)
@@ -2,11 +2,10 @@ defmodule Pleroma.User do
   use Ecto.Schema
 
   import Ecto.{Changeset, Query}
-  alias Pleroma.{Repo, User, Object, Web}
+  alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
   alias Comeonin.Pbkdf2
   alias Pleroma.Web.{OStatus, Websub}
-  alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.ActivityPub.{Utils, ActivityPub}
 
   schema "users" do
     field :bio, :string
@@ -22,6 +21,7 @@ defmodule Pleroma.User do
     field :local, :boolean, default: true
     field :info, :map, default: %{}
     field :follower_address, :string
+    has_many :notifications, Notification
 
     timestamps()
   end
@@ -29,7 +29,14 @@ defmodule Pleroma.User do
   def avatar_url(user) do
     case user.avatar do
       %{"url" => [%{"href" => href} | _]} -> href
-      _ -> "https://placehold.it/48x48"
+      _ -> "#{Web.base_url()}/images/avi.png"
+    end
+  end
+
+  def banner_url(user) do
+    case user.info["banner"] do
+      %{"url" => [%{"href" => href} | _]} -> href
+      _ -> "#{Web.base_url()}/images/banner.png"
     end
   end
 
@@ -54,18 +61,11 @@ defmodule Pleroma.User do
   end
 
   def user_info(%User{} = user) do
-    note_count_query = from a in Object,
-      where: fragment("? @> ?", a.data, ^%{actor: user.ap_id, type: "Note"}),
-      select: count(a.id)
-
-    follower_count_query = from u in User,
-      where: fragment("? @> ?", u.following, ^user.follower_address),
-      select: count(u.id)
-
+    oneself = if user.local, do: 1, else: 0
     %{
-      following_count: length(user.following),
-      note_count: Repo.one(note_count_query),
-      follower_count: Repo.one(follower_count_query)
+      following_count: length(user.following) - oneself,
+      note_count: user.info["note_count"] || 0,
+      follower_count: user.info["follower_count"] || 0
     }
   end
 
@@ -80,14 +80,57 @@ defmodule Pleroma.User do
     |> validate_length(:name, max: 100)
     |> put_change(:local, false)
     if changes.valid? do
-      followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
-      changes
-      |> put_change(:follower_address, followers)
+      case changes.changes[:info]["source_data"] do
+        %{"followers" => followers} ->
+          changes
+          |> put_change(:follower_address, followers)
+        _ ->
+          followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
+          changes
+          |> put_change(:follower_address, followers)
+      end
     else
       changes
     end
   end
 
+  def update_changeset(struct, params \\ %{}) do
+    struct
+    |> cast(params, [:bio, :name])
+    |> unique_constraint(:nickname)
+    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
+    |> validate_length(:bio, min: 1, max: 1000)
+    |> validate_length(:name, min: 1, max: 100)
+  end
+
+  def upgrade_changeset(struct, params \\ %{}) do
+    struct
+    |> cast(params, [:bio, :name, :info, :follower_address, :avatar])
+    |> unique_constraint(:nickname)
+    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
+    |> validate_length(:bio, min: 1, max: 1000)
+    |> validate_length(:name, min: 1, max: 100)
+  end
+
+  def password_update_changeset(struct, params) do
+    changeset = struct
+    |> cast(params, [:password, :password_confirmation])
+    |> validate_required([:password, :password_confirmation])
+    |> validate_confirmation(:password)
+
+    if changeset.valid? do
+      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
+      changeset
+      |> put_change(:password_hash, hashed)
+    else
+      changeset
+    end
+  end
+
+  def reset_password(user, data) do
+    update_and_set_cache(password_update_changeset(user, data))
+  end
+
   def register_changeset(struct, params \\ %{}) do
     changeset = struct
     |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
@@ -97,8 +140,8 @@ defmodule Pleroma.User do
     |> unique_constraint(:nickname)
     |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
     |> validate_format(:email, @email_regex)
-    |> validate_length(:bio, max: 1000)
-    |> validate_length(:name, max: 100)
+    |> validate_length(:bio, min: 1, max: 1000)
+    |> validate_length(:name, min: 1, max: 100)
 
     if changeset.valid? do
       hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
@@ -114,35 +157,43 @@ defmodule Pleroma.User do
     end
   end
 
-  def follow(%User{} = follower, %User{} = followed) do
+  def follow(%User{} = follower, %User{info: info} = followed) do
     ap_followers = followed.follower_address
-    if following?(follower, followed) do
+
+    if following?(follower, followed) or info["deactivated"] do
       {:error,
        "Could not follow user: #{followed.nickname} is already on your list."}
     else
-      if !followed.local && follower.local do
+      if !followed.local && follower.local && !ap_enabled?(followed) do
         Websub.subscribe(follower, followed)
       end
 
       following = [ap_followers | follower.following]
       |> Enum.uniq
 
-      follower
+      follower = follower
       |> follow_changeset(%{following: following})
-      |> Repo.update
+      |> update_and_set_cache
+
+      {:ok, _} = update_follower_count(followed)
+
+      follower
     end
   end
 
   def unfollow(%User{} = follower, %User{} = followed) do
     ap_followers = followed.follower_address
-    if following?(follower, followed) do
+    if following?(follower, followed) and follower.ap_id != followed.ap_id do
       following = follower.following
       |> List.delete(ap_followers)
 
       { :ok, follower } = follower
       |> follow_changeset(%{following: following})
-      |> Repo.update
-      { :ok, follower, Utils.fetch_latest_follow(follower, followed)}
+      |> update_and_set_cache
+
+      {:ok, followed} = update_follower_count(followed)
+
+      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
     else
       {:error, "Not subscribed!"}
     end
@@ -156,6 +207,17 @@ defmodule Pleroma.User do
     Repo.get_by(User, ap_id: ap_id)
   end
 
+  def update_and_set_cache(changeset) do
+    with {:ok, user} <- Repo.update(changeset) do
+      Cachex.set(:user_cache, "ap_id:#{user.ap_id}", user)
+      Cachex.set(:user_cache, "nickname:#{user.nickname}", user)
+      Cachex.set(:user_cache, "user_info:#{user.id}", user_info(user))
+      {:ok, user}
+    else
+      e -> e
+    end
+  end
+
   def get_cached_by_ap_id(ap_id) do
     key = "ap_id:#{ap_id}"
     Cachex.get!(:user_cache, key, fallback: fn(_) -> get_by_ap_id(ap_id) end)
@@ -175,15 +237,212 @@ defmodule Pleroma.User do
     Cachex.get!(:user_cache, key, fallback: fn(_) -> user_info(user) end)
   end
 
+  def fetch_by_nickname(nickname) do
+    ap_try = ActivityPub.make_user_from_nickname(nickname)
+
+    case ap_try do
+      {:ok, user} -> {:ok, user}
+      _ -> OStatus.make_user(nickname)
+    end
+  end
+
   def get_or_fetch_by_nickname(nickname) do
     with %User{} = user <- get_by_nickname(nickname)  do
       user
     else _e ->
-      with [nick, domain] <- String.split(nickname, "@"),
-           {:ok, user} <- OStatus.make_user(nickname) do
+      with [_nick, _domain] <- String.split(nickname, "@"),
+           {:ok, user} <- fetch_by_nickname(nickname) do
         user
       else _e -> nil
       end
     end
   end
+
+  def get_followers(%User{id: id, follower_address: follower_address}) do
+    q = from u in User,
+      where: ^follower_address in u.following,
+      where: u.id != ^id
+
+    {:ok, Repo.all(q)}
+  end
+
+  def get_friends(%User{id: id, following: following}) do
+    q = from u in User,
+      where: u.follower_address in ^following,
+      where: u.id != ^id
+
+    {:ok, Repo.all(q)}
+  end
+
+  def increase_note_count(%User{} = user) do
+    note_count = (user.info["note_count"] || 0) + 1
+    new_info = Map.put(user.info, "note_count", note_count)
+
+    cs = info_changeset(user, %{info: new_info})
+
+    update_and_set_cache(cs)
+  end
+
+  def update_note_count(%User{} = user) do
+    note_count_query = from a in Object,
+      where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
+      select: count(a.id)
+
+    note_count = Repo.one(note_count_query)
+
+    new_info = Map.put(user.info, "note_count", note_count)
+
+    cs = info_changeset(user, %{info: new_info})
+
+    update_and_set_cache(cs)
+  end
+
+  def update_follower_count(%User{} = user) do
+    follower_count_query = from u in User,
+      where: ^user.follower_address in u.following,
+      where: u.id != ^user.id,
+      select: count(u.id)
+
+    follower_count = Repo.one(follower_count_query)
+
+    new_info = Map.put(user.info, "follower_count", follower_count)
+
+    cs = info_changeset(user, %{info: new_info})
+
+    update_and_set_cache(cs)
+  end
+
+  def get_notified_from_activity(%Activity{recipients: to}) do
+    query = from u in User,
+      where: u.ap_id in ^to,
+      where: u.local == true
+
+    Repo.all(query)
+  end
+
+  def get_recipients_from_activity(%Activity{recipients: to}) do
+    query = from u in User,
+      where: u.ap_id in ^to,
+      or_where: fragment("? && ?", u.following, ^to)
+
+    query = from u in query,
+      where: u.local == true
+
+    Repo.all(query)
+  end
+
+  def search(query, resolve) do
+    if resolve do
+      User.get_or_fetch_by_nickname(query)
+    end
+    q = from u in User,
+      where: fragment("(to_tsvector('english', ?) || to_tsvector('english', ?)) @@ plainto_tsquery('english', ?)", u.nickname, u.name, ^query),
+      limit: 20
+    Repo.all(q)
+  end
+
+  def block(user, %{ap_id: ap_id}) do
+    blocks = user.info["blocks"] || []
+    new_blocks = Enum.uniq([ap_id | blocks])
+    new_info = Map.put(user.info, "blocks", new_blocks)
+
+    cs = User.info_changeset(user, %{info: new_info})
+    update_and_set_cache(cs)
+  end
+
+  def unblock(user, %{ap_id: ap_id}) do
+    blocks = user.info["blocks"] || []
+    new_blocks = List.delete(blocks, ap_id)
+    new_info = Map.put(user.info, "blocks", new_blocks)
+
+    cs = User.info_changeset(user, %{info: new_info})
+    update_and_set_cache(cs)
+  end
+
+  def blocks?(user, %{ap_id: ap_id}) do
+    blocks = user.info["blocks"] || []
+    Enum.member?(blocks, ap_id)
+  end
+
+  def local_user_query() do
+    from u in User,
+      where: u.local == true
+  end
+
+  def deactivate (%User{} = user) do
+    new_info = Map.put(user.info, "deactivated", true)
+    cs = User.info_changeset(user, %{info: new_info})
+    update_and_set_cache(cs)
+  end
+
+  def delete (%User{} = user) do
+    {:ok, user} = User.deactivate(user)
+
+    # Remove all relationships
+    {:ok, followers } = User.get_followers(user)
+    followers
+    |> Enum.each(fn (follower) -> User.unfollow(follower, user) end)
+
+    {:ok, friends} = User.get_friends(user)
+    friends
+    |> Enum.each(fn (followed) -> User.unfollow(user, followed) end)
+
+    query = from a in Activity,
+      where: a.actor == ^user.ap_id
+
+    Repo.all(query)
+    |> Enum.each(fn (activity) ->
+      case activity.data["type"] do
+        "Create" -> ActivityPub.delete(Object.get_by_ap_id(activity.data["object"]["id"]))
+        _ -> "Doing nothing" # TODO: Do something with likes, follows, repeats.
+      end
+    end)
+
+    :ok
+  end
+
+  def get_or_fetch_by_ap_id(ap_id) do
+    if user = get_by_ap_id(ap_id) do
+      user
+    else
+      with {:ok, user} <- ActivityPub.make_user_from_ap_id(ap_id) do
+        user
+      end
+    end
+  end
+
+  # AP style
+  def public_key_from_info(%{"source_data" => %{"publicKey" => %{"publicKeyPem" => public_key_pem}}}) do
+     key = :public_key.pem_decode(public_key_pem)
+     |> hd()
+     |> :public_key.pem_entry_decode()
+
+     {:ok, key}
+  end
+
+  # OStatus Magic Key
+  def public_key_from_info(%{"magic_key" => magic_key}) do
+    {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
+  end
+
+  def get_public_key_for_ap_id(ap_id) do
+    with %User{} = user <- get_or_fetch_by_ap_id(ap_id),
+         {:ok, public_key} <- public_key_from_info(user.info) do
+      {:ok, public_key}
+    else
+      _ -> :error
+    end
+  end
+
+  defp blank?(""), do: nil
+  defp blank?(n), do: n
+
+  def insert_or_update_user(data) do
+    data = data
+    |> Map.put(:name, blank?(data[:name]) || data[:nickname])
+    cs = User.remote_user_creation(data)
+    Repo.insert(cs, on_conflict: :replace_all, conflict_target: :nickname)
+  end
+
+  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
 end