Merge branch '483_blocks_import_export' into 'develop'
[akkoma] / lib / pleroma / user.ex
index 3a0f782742c6a0d10383cb48de098d3e9a7e54f5..5705098eaea236392f6546b4e35d147b54b7daf7 100644 (file)
@@ -1,12 +1,27 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.User do
   use Ecto.Schema
 
   import Ecto.{Changeset, Query}
   alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
   alias Comeonin.Pbkdf2
+  alias Pleroma.Formatter
+  alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
   alias Pleroma.Web.{OStatus, Websub, OAuth}
   alias Pleroma.Web.ActivityPub.{Utils, ActivityPub}
 
+  require Logger
+
+  @type t :: %__MODULE__{}
+
+  @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
+
+  @strict_local_nickname_regex ~r/^[a-zA-Z\d]+$/
+  @extended_local_nickname_regex ~r/^[a-zA-Z\d_-]+$/
+
   schema "users" do
     field(:bio, :string)
     field(:email, :string)
@@ -21,6 +36,7 @@ defmodule Pleroma.User do
     field(:local, :boolean, default: true)
     field(:follower_address, :string)
     field(:search_distance, :float, virtual: true)
+    field(:tags, {:array, :string}, default: [])
     field(:last_refreshed_at, :naive_datetime)
     has_many(:notifications, Notification)
     embeds_one(:info, Pleroma.User.Info)
@@ -28,6 +44,21 @@ defmodule Pleroma.User do
     timestamps()
   end
 
+  def auth_active?(%User{} = user) do
+    (user.info && !user.info.confirmation_pending) ||
+      !Pleroma.Config.get([:instance, :account_activation_required])
+  end
+
+  def remote_or_auth_active?(%User{} = user), do: !user.local || auth_active?(user)
+
+  def visible_for?(%User{} = user, for_user \\ nil) do
+    User.remote_or_auth_active?(user) || (for_user && for_user.id == user.id) ||
+      User.superuser?(for_user)
+  end
+
+  def superuser?(nil), do: false
+  def superuser?(%User{} = user), do: user.info && User.Info.superuser?(user.info)
+
   def avatar_url(user) do
     case user.avatar do
       %{"url" => [%{"href" => href} | _]} -> href
@@ -36,13 +67,13 @@ defmodule Pleroma.User do
   end
 
   def banner_url(user) do
-    case user.info["banner"] do
+    case user.info.banner do
       %{"url" => [%{"href" => href} | _]} -> href
       _ -> "#{Web.base_url()}/images/banner.png"
     end
   end
 
-  def profile_url(%User{info: %{"source_data" => %{"url" => url}}}), do: url
+  def profile_url(%User{info: %{source_data: %{"url" => url}}}), do: url
   def profile_url(%User{ap_id: ap_id}), do: ap_id
   def profile_url(_), do: nil
 
@@ -60,12 +91,6 @@ defmodule Pleroma.User do
     |> validate_required([:following])
   end
 
-  def info_changeset(struct, params \\ %{}) do
-    struct
-    |> cast(params, [:info])
-    |> validate_required([:info])
-  end
-
   def user_info(%User{} = user) do
     oneself = if user.local, do: 1, else: 0
 
@@ -74,24 +99,31 @@ defmodule Pleroma.User do
       note_count: user.info.note_count,
       follower_count: user.info.follower_count,
       locked: user.info.locked,
+      confirmation_pending: user.info.confirmation_pending,
       default_scope: user.info.default_scope
     }
   end
 
-  @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
   def remote_user_creation(params) do
+    params =
+      params
+      |> Map.put(:info, params[:info] || %{})
+
+    info_cng = User.Info.remote_user_creation(%User.Info{}, params[:info])
+
     changes =
       %User{}
-      |> cast(params, [:bio, :name, :ap_id, :nickname, :info, :avatar])
+      |> cast(params, [:bio, :name, :ap_id, :nickname, :avatar])
       |> validate_required([:name, :ap_id])
       |> unique_constraint(:nickname)
       |> validate_format(:nickname, @email_regex)
       |> validate_length(:bio, max: 5000)
       |> validate_length(:name, max: 100)
       |> put_change(:local, false)
+      |> put_embed(:info, info_cng)
 
     if changes.valid? do
-      case changes.changes[:info]["source_data"] do
+      case info_cng.changes[:source_data] do
         %{"followers" => followers} ->
           changes
           |> put_change(:follower_address, followers)
@@ -109,9 +141,9 @@ defmodule Pleroma.User do
 
   def update_changeset(struct, params \\ %{}) do
     struct
-    |> cast(params, [:bio, :name])
+    |> cast(params, [:bio, :name, :avatar])
     |> unique_constraint(:nickname)
-    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
+    |> validate_format(:nickname, local_nickname_regex())
     |> validate_length(:bio, max: 5000)
     |> validate_length(:name, min: 1, max: 100)
   end
@@ -121,12 +153,17 @@ defmodule Pleroma.User do
       params
       |> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())
 
+    info_cng =
+      struct.info
+      |> User.Info.user_upgrade(params[:info])
+
     struct
-    |> cast(params, [:bio, :name, :info, :follower_address, :avatar, :last_refreshed_at])
+    |> cast(params, [:bio, :name, :follower_address, :avatar, :last_refreshed_at])
     |> unique_constraint(:nickname)
-    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
+    |> validate_format(:nickname, local_nickname_regex())
     |> validate_length(:bio, max: 5000)
     |> validate_length(:name, max: 100)
+    |> put_embed(:info, info_cng)
   end
 
   def password_update_changeset(struct, params) do
@@ -153,7 +190,16 @@ defmodule Pleroma.User do
     update_and_set_cache(password_update_changeset(user, data))
   end
 
-  def register_changeset(struct, params \\ %{}) do
+  def register_changeset(struct, params \\ %{}, opts \\ []) do
+    confirmation_status =
+      if opts[:confirmed] || !Pleroma.Config.get([:instance, :account_activation_required]) do
+        :confirmed
+      else
+        :unconfirmed
+      end
+
+    info_change = User.Info.confirmation_changeset(%User.Info{}, confirmation_status)
+
     changeset =
       struct
       |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
@@ -161,10 +207,12 @@ defmodule Pleroma.User do
       |> validate_confirmation(:password)
       |> unique_constraint(:email)
       |> unique_constraint(:nickname)
-      |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
+      |> validate_exclusion(:nickname, Pleroma.Config.get([Pleroma.User, :restricted_nicknames]))
+      |> validate_format(:nickname, local_nickname_regex())
       |> validate_format(:email, @email_regex)
       |> validate_length(:bio, max: 1000)
       |> validate_length(:name, min: 1, max: 100)
+      |> put_change(:info, info_change)
 
     if changeset.valid? do
       hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
@@ -181,6 +229,25 @@ defmodule Pleroma.User do
     end
   end
 
+  @doc "Inserts provided changeset, performs post-registration actions (confirmation email sending etc.)"
+  def register(%Ecto.Changeset{} = changeset) do
+    with {:ok, user} <- Repo.insert(changeset),
+         {:ok, _} = try_send_confirmation_email(user) do
+      {:ok, user}
+    end
+  end
+
+  def try_send_confirmation_email(%User{} = user) do
+    if user.info.confirmation_pending &&
+         Pleroma.Config.get([:instance, :account_activation_required]) do
+      user
+      |> Pleroma.UserEmail.account_confirmation_email()
+      |> Pleroma.Mailer.deliver()
+    else
+      {:ok, :noop}
+    end
+  end
+
   def needs_update?(%User{local: true}), do: false
 
   def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true
@@ -191,7 +258,7 @@ defmodule Pleroma.User do
 
   def needs_update?(_), do: true
 
-  def maybe_direct_follow(%User{} = follower, %User{local: true, info: %{"locked" => true}}) do
+  def maybe_direct_follow(%User{} = follower, %User{local: true, info: %{locked: true}}) do
     {:ok, follower}
   end
 
@@ -200,14 +267,14 @@ defmodule Pleroma.User do
   end
 
   def maybe_direct_follow(%User{} = follower, %User{} = followed) do
-    if !User.ap_enabled?(followed) do
+    if not User.ap_enabled?(followed) do
       follow(follower, followed)
     else
       {:ok, follower}
     end
   end
 
-  def maybe_follow(%User{} = follower, %User{info: info} = followed) do
+  def maybe_follow(%User{} = follower, %User{info: _info} = followed) do
     if not following?(follower, followed) do
       follow(follower, followed)
     else
@@ -222,7 +289,7 @@ defmodule Pleroma.User do
     ap_followers = followed.follower_address
 
     cond do
-      following?(follower, followed) or info["deactivated"] ->
+      following?(follower, followed) or info.deactivated ->
         {:error, "Could not follow user: #{followed.nickname} is already on your list."}
 
       deny_follow_blocked and blocks?(followed, follower) ->
@@ -269,12 +336,31 @@ defmodule Pleroma.User do
     end
   end
 
+  @spec following?(User.t(), User.t()) :: boolean
   def following?(%User{} = follower, %User{} = followed) do
     Enum.member?(follower.following, followed.follower_address)
   end
 
+  def follow_import(%User{} = follower, followed_identifiers)
+      when is_list(followed_identifiers) do
+    Enum.map(
+      followed_identifiers,
+      fn followed_identifier ->
+        with %User{} = followed <- get_or_fetch(followed_identifier),
+             {:ok, follower} <- maybe_direct_follow(follower, followed),
+             {:ok, _} <- ActivityPub.follow(follower, followed) do
+          followed
+        else
+          err ->
+            Logger.debug("follow_import failed for #{followed_identifier} with: #{inspect(err)}")
+            err
+        end
+      end
+    )
+  end
+
   def locked?(%User{} = user) do
-    user.info["locked"] || false
+    user.info.locked || false
   end
 
   def get_by_ap_id(ap_id) do
@@ -309,7 +395,11 @@ defmodule Pleroma.User do
   end
 
   def get_by_nickname(nickname) do
-    Repo.get_by(User, nickname: nickname)
+    Repo.get_by(User, nickname: nickname) ||
+      if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
+        [local_nickname, _] = String.split(nickname, "@")
+        Repo.get_by(User, nickname: local_nickname)
+      end
   end
 
   def get_by_nickname_or_email(nickname_or_email) do
@@ -440,11 +530,13 @@ defmodule Pleroma.User do
 
     note_count = Repo.one(note_count_query)
 
-    new_info = Map.put(user.info, "note_count", note_count)
+    info_cng = User.Info.set_note_count(user.info, note_count)
 
-    cs = info_changeset(user, %{info: new_info})
+    cng =
+      change(user)
+      |> put_embed(:info, info_cng)
 
-    update_and_set_cache(cs)
+    update_and_set_cache(cng)
   end
 
   def update_follower_count(%User{} = user) do
@@ -536,6 +628,23 @@ defmodule Pleroma.User do
     Repo.all(q)
   end
 
+  def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers) do
+    Enum.map(
+      blocked_identifiers,
+      fn blocked_identifier ->
+        with %User{} = blocked <- get_or_fetch(blocked_identifier),
+             {:ok, blocker} <- block(blocker, blocked),
+             {:ok, _} <- ActivityPub.block(blocker, blocked) do
+          blocked
+        else
+          err ->
+            Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
+            err
+        end
+      end
+    )
+  end
+
   def block(blocker, %User{ap_id: ap_id} = blocked) do
     # sever any follow relationships to prevent leaks per activitypub (Pleroma issue #213)
     blocker =
@@ -589,22 +698,31 @@ defmodule Pleroma.User do
       end)
   end
 
+  def blocked_users(user),
+    do: Repo.all(from(u in User, where: u.ap_id in ^user.info.blocks))
+
   def block_domain(user, domain) do
-    domain_blocks = user.info.domain_blocks
-    new_blocks = Enum.uniq([domain | domain_blocks])
-    new_info = Map.put(user.info, "domain_blocks", new_blocks)
+    info_cng =
+      user.info
+      |> User.Info.add_to_domain_block(domain)
 
-    cs = User.info_changeset(user, %{info: new_info})
-    update_and_set_cache(cs)
+    cng =
+      change(user)
+      |> put_embed(:info, info_cng)
+
+    update_and_set_cache(cng)
   end
 
   def unblock_domain(user, domain) do
-    blocks = user.info["domain_blocks"] || []
-    new_blocks = List.delete(blocks, domain)
-    new_info = Map.put(user.info, "domain_blocks", new_blocks)
+    info_cng =
+      user.info
+      |> User.Info.remove_from_domain_block(domain)
+
+    cng =
+      change(user)
+      |> put_embed(:info, info_cng)
 
-    cs = User.info_changeset(user, %{info: new_info})
-    update_and_set_cache(cs)
+    update_and_set_cache(cng)
   end
 
   def local_user_query() do
@@ -664,7 +782,7 @@ defmodule Pleroma.User do
     {:ok, user}
   end
 
-  def html_filter_policy(%User{info: %{"no_rich_text" => true}}) do
+  def html_filter_policy(%User{info: %{no_rich_text: true}}) do
     Pleroma.HTML.Scrubber.TwitterText
   end
 
@@ -698,7 +816,7 @@ defmodule Pleroma.User do
       user
     else
       changes =
-        %User{}
+        %User{info: %User.Info{}}
         |> cast(%{}, [:ap_id, :nickname, :local])
         |> put_change(:ap_id, relay_uri)
         |> put_change(:nickname, nil)
@@ -712,10 +830,11 @@ defmodule Pleroma.User do
 
   # AP style
   def public_key_from_info(%{
-        "source_data" => %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
+        source_data: %{"publicKey" => %{"publicKeyPem" => public_key_pem}}
       }) do
     key =
-      :public_key.pem_decode(public_key_pem)
+      public_key_pem
+      |> :public_key.pem_decode()
       |> hd()
       |> :public_key.pem_entry_decode()
 
@@ -723,7 +842,7 @@ defmodule Pleroma.User do
   end
 
   # OStatus Magic Key
-  def public_key_from_info(%{"magic_key" => magic_key}) do
+  def public_key_from_info(%{magic_key: magic_key}) do
     {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
   end
 
@@ -745,20 +864,18 @@ defmodule Pleroma.User do
       |> 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{local: true}), do: true
-  def ap_enabled?(%User{info: info}), do: info["ap_enabled"]
+  def ap_enabled?(%User{info: info}), do: info.ap_enabled
   def ap_enabled?(_), do: false
 
-  def get_or_fetch(uri_or_nickname) do
-    if String.starts_with?(uri_or_nickname, "http") do
-      get_or_fetch_by_ap_id(uri_or_nickname)
-    else
-      get_or_fetch_by_nickname(uri_or_nickname)
-    end
-  end
+  @doc "Gets or fetch a user by uri or nickname."
+  @spec get_or_fetch(String.t()) :: User.t()
+  def get_or_fetch("http" <> _host = uri), do: get_or_fetch_by_ap_id(uri)
+  def get_or_fetch(nickname), do: get_or_fetch_by_nickname(nickname)
 
   # wait a period of time and return newest version of the User structs
   # this is because we have synchronous follow APIs and need to simulate them
@@ -783,4 +900,71 @@ defmodule Pleroma.User do
         :error
     end
   end
+
+  def parse_bio(bio, user \\ %User{info: %{source_data: %{}}})
+  def parse_bio(nil, _user), do: ""
+  def parse_bio(bio, _user) when bio == "", do: bio
+
+  def parse_bio(bio, user) do
+    mentions = Formatter.parse_mentions(bio)
+    tags = Formatter.parse_tags(bio)
+
+    emoji =
+      (user.info.source_data["tag"] || [])
+      |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
+      |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
+        {String.trim(name, ":"), url}
+      end)
+
+    bio
+    |> CommonUtils.format_input(mentions, tags, "text/plain")
+    |> Formatter.emojify(emoji)
+  end
+
+  def tag(user_identifiers, tags) when is_list(user_identifiers) do
+    Repo.transaction(fn ->
+      for user_identifier <- user_identifiers, do: tag(user_identifier, tags)
+    end)
+  end
+
+  def tag(nickname, tags) when is_binary(nickname),
+    do: tag(User.get_by_nickname(nickname), tags)
+
+  def tag(%User{} = user, tags),
+    do: update_tags(user, Enum.uniq((user.tags || []) ++ normalize_tags(tags)))
+
+  def untag(user_identifiers, tags) when is_list(user_identifiers) do
+    Repo.transaction(fn ->
+      for user_identifier <- user_identifiers, do: untag(user_identifier, tags)
+    end)
+  end
+
+  def untag(nickname, tags) when is_binary(nickname),
+    do: untag(User.get_by_nickname(nickname), tags)
+
+  def untag(%User{} = user, tags),
+    do: update_tags(user, (user.tags || []) -- normalize_tags(tags))
+
+  defp update_tags(%User{} = user, new_tags) do
+    {:ok, updated_user} =
+      user
+      |> change(%{tags: new_tags})
+      |> Repo.update()
+
+    updated_user
+  end
+
+  defp normalize_tags(tags) do
+    [tags]
+    |> List.flatten()
+    |> Enum.map(&String.downcase(&1))
+  end
+
+  defp local_nickname_regex() do
+    if Pleroma.Config.get([:instance, :extended_nickname_format]) do
+      @extended_local_nickname_regex
+    else
+      @strict_local_nickname_regex
+    end
+  end
 end