web_finger_test.exs
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.WebFingerTest do
	use Pleroma.DataCase, async: true
	alias Pleroma.Web.WebFinger
	import Pleroma.Factory
	import Tesla.Mock

	setup do
	mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
	:ok
	end

	describe "host meta" do
	test "returns a link to the xml lrdd" do
	host_info = WebFinger.host_meta()

	assert String.contains?(host_info, Pleroma.Web.base_url())
	end
	end

	describe "incoming webfinger request" do
	test "works for fqns" do
	user = insert(:user)

	{:ok, result} =
	WebFinger.webfinger("#{user.nickname}@#{Pleroma.Web.Endpoint.host()}", "XML")

	assert is_binary(result)
	end

	test "works for ap_ids" do
	user = insert(:user)

	{:ok, result} = WebFinger.webfinger(user.ap_id, "XML")
	assert is_binary(result)
	end
	end

	describe "fingering" do
	test "returns error for nonsensical input" do
	assert {:error, _} = WebFinger.finger("bliblablu")
	assert {:error, _} = WebFinger.finger("pleroma.social")
	end

	test "returns error when there is no content-type header" do
	Tesla.Mock.mock(fn
	%{url: "http://social.heldscal.la/.well-known/host-meta"} ->
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/tesla_mock/social.heldscal.la_host_meta")
	}}

	%{
	url:
	"https://social.heldscal.la/.well-known/webfinger?resource=acct:invalid_content@social.heldscal.la"
	} ->
	{:ok, %Tesla.Env{status: 200, body: ""}}
	end)

	user = "invalid_content@social.heldscal.la"
	assert {:error, {:content_type, nil}} = WebFinger.finger(user)
	end

	test "returns error when fails parse xml or json" do
	user = "invalid_content@social.heldscal.la"
	assert {:error, %Jason.DecodeError{}} = WebFinger.finger(user)
	end

	test "returns the ActivityPub actor URI for an ActivityPub user" do
	user = "framasoft@framatube.org"

	{:ok, _data} = WebFinger.finger(user)
	end

	test "returns the ActivityPub actor URI and subscribe address for an ActivityPub user with the ld+json mimetype" do
	user = "kaniini@gerzilla.de"

	{:ok, data} = WebFinger.finger(user)

	assert data["ap_id"] == "https://gerzilla.de/channel/kaniini"
	assert data["subscribe_address"] == "https://gerzilla.de/follow?f=&url={uri}"
	end

	test "it work for AP-only user" do
	user = "kpherox@mstdn.jp"

	{:ok, data} = WebFinger.finger(user)

	assert data["magic_key"] == nil
	assert data["salmon"] == nil

	assert data["topic"] == nil
	assert data["subject"] == "acct:kPherox@mstdn.jp"
	assert data["ap_id"] == "https://mstdn.jp/users/kPherox"
	assert data["subscribe_address"] == "https://mstdn.jp/authorize_interaction?acct={uri}"
	end

	test "it works for friendica" do
	user = "lain@squeet.me"

	{:ok, _data} = WebFinger.finger(user)
	end

	test "it gets the xrd endpoint" do
	{:ok, template} = WebFinger.find_lrdd_template("social.heldscal.la")

	assert template == "https://social.heldscal.la/.well-known/webfinger?resource={uri}"
	end

	test "it gets the xrd endpoint for hubzilla" do
	{:ok, template} = WebFinger.find_lrdd_template("macgirvin.com")

	assert template == "https://macgirvin.com/xrd/?uri={uri}"
	end

	test "it gets the xrd endpoint for statusnet" do
	{:ok, template} = WebFinger.find_lrdd_template("status.alpicola.com")

	assert template == "http://status.alpicola.com/main/xrd?uri={uri}"
	end

	test "it works with idna domains as nickname" do
	nickname = "lain@" <> to_string(:idna.encode("zetsubou.みんな"))

	{:ok, _data} = WebFinger.finger(nickname)
	end

	test "it works with idna domains as link" do
	ap_id = "https://" <> to_string(:idna.encode("zetsubou.みんな")) <> "/users/lain"
	{:ok, _data} = WebFinger.finger(ap_id)
	end

	test "respects json content-type" do
	Tesla.Mock.mock(fn
	%{
	url:
	"https://mastodon.social/.well-known/webfinger?resource=acct:emelie@mastodon.social"
	} ->
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/tesla_mock/webfinger_emelie.json"),
	headers: [{"content-type", "application/jrd+json"}]
	}}

	%{url: "http://mastodon.social/.well-known/host-meta"} ->
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/tesla_mock/mastodon.social_host_meta")
	}}
	end)

	{:ok, _data} = WebFinger.finger("emelie@mastodon.social")
	end

	test "respects xml content-type" do
	Tesla.Mock.mock(fn
	%{
	url: "https://pawoo.net/.well-known/webfinger?resource=acct:pekorino@pawoo.net"
	} ->
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/tesla_mock/https___pawoo.net_users_pekorino.xml"),
	headers: [{"content-type", "application/xrd+xml"}]
	}}

	%{url: "http://pawoo.net/.well-known/host-meta"} ->
	{:ok,
	%Tesla.Env{
	status: 200,
	body: File.read!("test/fixtures/tesla_mock/pawoo.net_host_meta")
	}}
	end)

	{:ok, _data} = WebFinger.finger("pekorino@pawoo.net")
	end
	end
	end

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