80 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
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| # Copyright © 2017-2020 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.Plugs.AuthenticationPlug do
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|   alias Pleroma.Plugs.OAuthScopesPlug
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|   alias Pleroma.User
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| 
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|   import Plug.Conn
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| 
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|   require Logger
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| 
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|   def init(options), do: options
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| 
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|   def checkpw(password, "$6" <> _ = password_hash) do
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|     :crypt.crypt(password, password_hash) == password_hash
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|   end
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| 
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|   def checkpw(password, "$2" <> _ = password_hash) do
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|     # Handle bcrypt passwords for Mastodon migration
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|     Bcrypt.verify_pass(password, password_hash)
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|   end
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| 
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|   def checkpw(password, "$pbkdf2" <> _ = password_hash) do
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|     Pbkdf2.verify_pass(password, password_hash)
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|   end
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| 
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|   def checkpw(_password, _password_hash) do
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|     Logger.error("Password hash not recognized")
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|     false
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|   end
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| 
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|   def maybe_update_password(%User{password_hash: "$2" <> _} = user, password) do
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|     do_update_password(user, password)
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|   end
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| 
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|   def maybe_update_password(%User{password_hash: "$6" <> _} = user, password) do
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|     do_update_password(user, password)
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|   end
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| 
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|   def maybe_update_password(user, _), do: {:ok, user}
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| 
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|   defp do_update_password(user, password) do
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|     user
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|     |> User.password_update_changeset(%{
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|       "password" => password,
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|       "password_confirmation" => password
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|     })
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|     |> Pleroma.Repo.update()
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|   end
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| 
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|   def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
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| 
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|   def call(
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|         %{
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|           assigns: %{
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|             auth_user: %{password_hash: password_hash} = auth_user,
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|             auth_credentials: %{password: password}
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|           }
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|         } = conn,
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|         _
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|       ) do
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|     if checkpw(password, password_hash) do
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|       {:ok, auth_user} = maybe_update_password(auth_user, password)
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| 
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|       conn
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|       |> assign(:user, auth_user)
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|       |> OAuthScopesPlug.skip_plug()
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|     else
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|       conn
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|     end
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|   end
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| 
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|   def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
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|     Pbkdf2.no_user_verify()
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|     conn
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|   end
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| 
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|   def call(conn, _), do: conn
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| end
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