An Elixir toolkit for the AT Protocol.
hexdocs.pm/atex
elixir
bluesky
atproto
decentralization
fix(xrpc): add LoginClient moduledoc, fix auth_error? spec and handle_failure return type
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lib/atex/xrpc/login_client.ex
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lib/atex/xrpc/login_client.ex
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defmodule Atex.XRPC.LoginClient do
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@moduledoc """
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Password/app-password based XRPC client for AT Protocol.
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Creates a session via `com.atproto.server.createSession` and handles automatic
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token refresh on 401 responses. For OAuth-based authentication, see
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`Atex.XRPC.OAuthClient`.
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## Examples
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{:ok, client} = Atex.XRPC.LoginClient.login("https://bsky.social", "user.bsky.social", "password")
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{:ok, response, client} = Atex.XRPC.get(client, "app.bsky.actor.getProfile", params: [actor: "user.bsky.social"])
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"""
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alias Atex.XRPC
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use TypedStruct
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···
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end
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@spec handle_failure(t(), Req.Response.t(), Req.Request.t()) ::
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{:ok, Req.Response.t(), t()} | {:error, any()}
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{:ok, Req.Response.t(), t()} | {:error, any(), t()}
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defp handle_failure(client, response, request) do
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if auth_error?(response.body) and client.refresh_token do
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if auth_error?(response) and client.refresh_token do
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case refresh(client) do
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{:ok, client} ->
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case Req.request(put_auth(request, client.access_token)) do
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{:ok, %{status: 200} = response} -> {:ok, response, client}
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{:ok, response} -> {:error, response}
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{:ok, response} -> {:error, response, client}
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err -> err
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end
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···
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err
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end
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else
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{:error, response}
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{:error, response, client}
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end
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end
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···
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defp validate_client(%__MODULE__{access_token: nil}), do: {:error, :no_token}
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defp validate_client(%__MODULE__{} = client), do: {:ok, client}
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@spec auth_error?(body :: Req.Response.t()) :: boolean()
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@spec auth_error?(Req.Response.t()) :: boolean()
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defp auth_error?(%{status: status}) when status in [401, 403], do: true
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defp auth_error?(%{body: %{"error" => "InvalidToken"}}), do: true
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defp auth_error?(_response), do: false