88 lines
2.6 KiB
Elixir
88 lines
2.6 KiB
Elixir
defmodule Mobilizon.Web.Auth.Guardian do
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@moduledoc """
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Handles the JWT tokens encoding and decoding
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"""
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use Guardian,
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otp_app: :mobilizon,
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permissions: %{
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superuser: [:moderate, :super],
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user: [:base]
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}
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alias Mobilizon.Users
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alias Mobilizon.Users.User
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require Logger
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@spec subject_for_token(any(), any()) :: {:ok, String.t()} | {:error, :unknown_resource}
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def subject_for_token(%User{} = user, _claims) do
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{:ok, "User:" <> to_string(user.id)}
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end
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def subject_for_token(_, _) do
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{:error, :unknown_resource}
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end
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@spec resource_from_claims(any) ::
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{:error, :invalid_id | :no_result | :no_claims} | {:ok, Mobilizon.Users.User.t()}
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def resource_from_claims(%{"sub" => "User:" <> uid_str}) do
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Logger.debug(fn -> "Receiving claim for user #{uid_str}" end)
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try do
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case Integer.parse(uid_str) do
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{uid, ""} ->
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{:ok, Users.get_user!(uid)}
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_ ->
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{:error, :invalid_id}
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end
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rescue
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Ecto.NoResultsError -> {:error, :no_result}
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end
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end
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def resource_from_claims(_) do
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{:error, :no_claims}
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end
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@spec after_encode_and_sign(any(), any(), any(), any()) :: {:ok, String.t()}
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def after_encode_and_sign(resource, claims, token, _options) do
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with {:ok, _} <- Guardian.DB.after_encode_and_sign(resource, claims["typ"], claims, token) do
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{:ok, token}
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end
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end
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@spec on_verify(any(), any(), any()) :: {:ok, map()} | {:error, :token_not_found}
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def on_verify(claims, token, _options) do
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with {:ok, _} <- Guardian.DB.on_verify(claims, token) do
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{:ok, claims}
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end
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end
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@spec on_revoke(any(), any(), any()) :: {:ok, map()} | {:error, :could_not_revoke_token}
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def on_revoke(claims, token, _options) do
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with {:ok, _} <- Guardian.DB.on_revoke(claims, token) do
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{:ok, claims}
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end
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end
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@spec on_refresh({any(), any()}, {any(), any()}, any()) ::
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{:ok, {String.t(), map()}, {String.t(), map()}} | {:error, any()}
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def on_refresh({old_token, old_claims}, {new_token, new_claims}, _options) do
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with {:ok, _, _} <- Guardian.DB.on_refresh({old_token, old_claims}, {new_token, new_claims}) do
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{:ok, {old_token, old_claims}, {new_token, new_claims}}
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end
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end
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@spec on_exchange(any(), any(), any()) ::
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{:ok, {String.t(), map()}, {String.t(), map()}} | {:error, any()}
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def on_exchange(old_stuff, new_stuff, options), do: on_refresh(old_stuff, new_stuff, options)
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# def build_claims(claims, _resource, opts) do
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# claims = claims
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# |> encode_permissions_into_claims!(Keyword.get(opts, :permissions))
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# {:ok, claims}
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# end
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end
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