311 lines
		
	
	
	
		
			8.6 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			311 lines
		
	
	
	
		
			8.6 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
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| # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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| # SPDX-License-Identifier: AGPL-3.0-only
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| 
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| defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
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|   alias Pleroma.Activity
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|   alias Pleroma.Emails.Mailer
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|   alias Pleroma.Emails.UserEmail
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|   alias Pleroma.Repo
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|   alias Pleroma.User
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|   alias Pleroma.UserInviteToken
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|   alias Pleroma.Web.ActivityPub.ActivityPub
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|   alias Pleroma.Web.CommonAPI
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|   alias Pleroma.Web.TwitterAPI.UserView
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| 
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|   import Ecto.Query
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| 
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|   def create_status(%User{} = user, %{"status" => _} = data) do
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|     CommonAPI.post(user, data)
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|   end
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| 
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|   def delete(%User{} = user, id) do
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|     with %Activity{data: %{"type" => _type}} <- Activity.get_by_id(id),
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|          {:ok, activity} <- CommonAPI.delete(id, user) do
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|       {:ok, activity}
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|     end
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|   end
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| 
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|   def follow(%User{} = follower, params) do
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|     with {:ok, %User{} = followed} <- get_user(params) do
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|       CommonAPI.follow(follower, followed)
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|     end
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|   end
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| 
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|   def unfollow(%User{} = follower, params) do
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|     with {:ok, %User{} = unfollowed} <- get_user(params),
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|          {:ok, follower} <- CommonAPI.unfollow(follower, unfollowed) do
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|       {:ok, follower, unfollowed}
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|     end
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|   end
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| 
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|   def block(%User{} = blocker, params) do
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|     with {:ok, %User{} = blocked} <- get_user(params),
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|          {:ok, blocker} <- User.block(blocker, blocked),
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|          {:ok, _activity} <- ActivityPub.block(blocker, blocked) do
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|       {:ok, blocker, blocked}
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|     else
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|       err -> err
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|     end
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|   end
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| 
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|   def unblock(%User{} = blocker, params) do
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|     with {:ok, %User{} = blocked} <- get_user(params),
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|          {:ok, blocker} <- User.unblock(blocker, blocked),
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|          {:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
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|       {:ok, blocker, blocked}
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|     else
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|       err -> err
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|     end
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|   end
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| 
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|   def repeat(%User{} = user, ap_id_or_id) do
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|     with {:ok, _announce, %{data: %{"id" => id}}} <- CommonAPI.repeat(ap_id_or_id, user),
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|          %Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
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|       {:ok, activity}
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|     end
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|   end
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| 
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|   def unrepeat(%User{} = user, ap_id_or_id) do
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|     with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
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|          %Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
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|       {:ok, activity}
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|     end
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|   end
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| 
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|   def pin(%User{} = user, ap_id_or_id) do
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|     CommonAPI.pin(ap_id_or_id, user)
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|   end
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| 
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|   def unpin(%User{} = user, ap_id_or_id) do
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|     CommonAPI.unpin(ap_id_or_id, user)
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|   end
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| 
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|   def fav(%User{} = user, ap_id_or_id) do
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|     with {:ok, _fav, %{data: %{"id" => id}}} <- CommonAPI.favorite(ap_id_or_id, user),
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|          %Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
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|       {:ok, activity}
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|     end
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|   end
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| 
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|   def unfav(%User{} = user, ap_id_or_id) do
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|     with {:ok, _unfav, _fav, %{data: %{"id" => id}}} <- CommonAPI.unfavorite(ap_id_or_id, user),
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|          %Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
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|       {:ok, activity}
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|     end
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|   end
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| 
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|   def upload(%Plug.Upload{} = file, %User{} = user, format \\ "xml") do
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|     {:ok, object} = ActivityPub.upload(file, actor: User.ap_id(user))
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| 
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|     url = List.first(object.data["url"])
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|     href = url["href"]
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|     type = url["mediaType"]
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| 
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|     case format do
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|       "xml" ->
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|         # Fake this as good as possible...
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|         """
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|         <?xml version="1.0" encoding="UTF-8"?>
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|         <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
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|         <mediaid>#{object.id}</mediaid>
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|         <media_id>#{object.id}</media_id>
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|         <media_id_string>#{object.id}</media_id_string>
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|         <media_url>#{href}</media_url>
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|         <mediaurl>#{href}</mediaurl>
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|         <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
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|         </rsp>
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|         """
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| 
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|       "json" ->
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|         %{
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|           media_id: object.id,
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|           media_id_string: "#{object.id}}",
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|           media_url: href,
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|           size: 0
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|         }
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|         |> Jason.encode!()
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|     end
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|   end
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| 
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|   def register_user(params, opts \\ []) do
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|     token = params["token"]
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| 
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|     params = %{
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|       nickname: params["nickname"],
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|       name: params["fullname"],
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|       bio: User.parse_bio(params["bio"]),
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|       email: params["email"],
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|       password: params["password"],
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|       password_confirmation: params["confirm"],
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|       captcha_solution: params["captcha_solution"],
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|       captcha_token: params["captcha_token"],
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|       captcha_answer_data: params["captcha_answer_data"]
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|     }
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| 
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|     captcha_enabled = Pleroma.Config.get([Pleroma.Captcha, :enabled])
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|     # true if captcha is disabled or enabled and valid, false otherwise
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|     captcha_ok =
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|       if !captcha_enabled do
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|         :ok
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|       else
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|         Pleroma.Captcha.validate(
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|           params[:captcha_token],
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|           params[:captcha_solution],
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|           params[:captcha_answer_data]
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|         )
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|       end
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| 
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|     # Captcha invalid
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|     if captcha_ok != :ok do
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|       {:error, error} = captcha_ok
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|       # I have no idea how this error handling works
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|       {:error, %{error: Jason.encode!(%{captcha: [error]})}}
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|     else
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|       registration_process(
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|         params,
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|         %{
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|           registrations_open: Pleroma.Config.get([:instance, :registrations_open]),
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|           token: token
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|         },
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|         opts
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|       )
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|     end
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|   end
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| 
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|   defp registration_process(params, %{registrations_open: true}, opts) do
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|     create_user(params, opts)
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|   end
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| 
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|   defp registration_process(params, %{token: token}, opts) do
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|     invite =
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|       unless is_nil(token) do
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|         Repo.get_by(UserInviteToken, %{token: token})
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|       end
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| 
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|     valid_invite? = invite && UserInviteToken.valid_invite?(invite)
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| 
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|     case invite do
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|       nil ->
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|         {:error, "Invalid token"}
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| 
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|       invite when valid_invite? ->
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|         UserInviteToken.update_usage!(invite)
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|         create_user(params, opts)
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| 
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|       _ ->
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|         {:error, "Expired token"}
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|     end
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|   end
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| 
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|   defp create_user(params, opts) do
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|     changeset = User.register_changeset(%User{}, params, opts)
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| 
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|     case User.register(changeset) do
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|       {:ok, user} ->
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|         {:ok, user}
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| 
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|       {:error, changeset} ->
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|         errors =
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|           Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
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|           |> Jason.encode!()
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| 
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|         {:error, %{error: errors}}
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|     end
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|   end
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| 
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|   def password_reset(nickname_or_email) do
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|     with true <- is_binary(nickname_or_email),
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|          %User{local: true} = user <- User.get_by_nickname_or_email(nickname_or_email),
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|          {:ok, token_record} <- Pleroma.PasswordResetToken.create_token(user) do
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|       user
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|       |> UserEmail.password_reset_email(token_record.token)
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|       |> Mailer.deliver_async()
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|     else
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|       false ->
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|         {:error, "bad user identifier"}
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| 
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|       %User{local: false} ->
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|         {:error, "remote user"}
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| 
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|       nil ->
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|         {:error, "unknown user"}
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|     end
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|   end
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| 
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|   def get_user(user \\ nil, params) do
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|     case params do
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|       %{"user_id" => user_id} ->
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|         case User.get_cached_by_nickname_or_id(user_id) do
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|           nil ->
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|             {:error, "No user with such user_id"}
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| 
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|           %User{info: %{deactivated: true}} ->
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|             {:error, "User has been disabled"}
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| 
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|           user ->
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|             {:ok, user}
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|         end
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| 
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|       %{"screen_name" => nickname} ->
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|         case User.get_cached_by_nickname(nickname) do
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|           nil -> {:error, "No user with such screen_name"}
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|           target -> {:ok, target}
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|         end
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| 
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|       _ ->
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|         if user do
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|           {:ok, user}
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|         else
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|           {:error, "You need to specify screen_name or user_id"}
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|         end
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|     end
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|   end
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| 
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|   defp parse_int(string, default)
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| 
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|   defp parse_int(string, default) when is_binary(string) do
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|     with {n, _} <- Integer.parse(string) do
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|       n
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|     else
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|       _e -> default
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|     end
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|   end
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| 
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|   defp parse_int(_, default), do: default
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| 
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|   # TODO: unify the search query with MastoAPI one and do only pagination here
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|   def search(_user, %{"q" => query} = params) do
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|     limit = parse_int(params["rpp"], 20)
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|     page = parse_int(params["page"], 1)
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|     offset = (page - 1) * limit
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| 
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|     q =
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|       from(
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|         [a, o] in Activity.with_preloaded_object(Activity),
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|         where: fragment("?->>'type' = 'Create'", a.data),
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|         where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
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|         where:
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|           fragment(
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|             "to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
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|             o.data,
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|             ^query
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|           ),
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|         limit: ^limit,
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|         offset: ^offset,
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|         # this one isn't indexed so psql won't take the wrong index.
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|         order_by: [desc: :inserted_at]
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|       )
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| 
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|     _activities = Repo.all(q)
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|   end
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| 
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|   def get_external_profile(for_user, uri) do
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|     with {:ok, %User{} = user} <- User.get_or_fetch(uri) do
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|       {:ok, UserView.render("show.json", %{user: user, for: for_user})}
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|     else
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|       _e ->
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|         {:error, "Couldn't find user"}
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|     end
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|   end
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| end
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