emoji_pack_controller_test.exs
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emoji_pack_controller_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.PleromaAPI.EmojiPackControllerTest do
	use Pleroma.Web.ConnCase, async: false

	import Mock
	import Tesla.Mock
	import Pleroma.Factory

	@emoji_path Path.join(
	Pleroma.Config.get!([:instance, :static_dir]),
	"emoji"
	)
	setup do: clear_config([:auth, :enforce_oauth_admin_scope_usage], false)

	setup do: clear_config([:instance, :public], true)

	setup do
	admin = insert(:user, is_admin: true)
	token = insert(:oauth_admin_token, user: admin)

	admin_conn =
	build_conn()
	\|> assign(:user, admin)
	\|> assign(:token, token)

	Pleroma.Emoji.reload()
	{:ok, %{admin_conn: admin_conn}}
	end

	test "GET /api/pleroma/emoji/packs when :public: false", %{conn: conn} do
	clear_config([:instance, :public], false)
	conn \|> get("/api/pleroma/emoji/packs") \|> json_response_and_validate_schema(200)
	end

	test "GET /api/pleroma/emoji/packs", %{conn: conn} do
	resp = conn \|> get("/api/pleroma/emoji/packs") \|> json_response_and_validate_schema(200)

	assert resp["count"] == 4

	assert resp["packs"]
	\|> Map.keys()
	\|> length() == 4

	shared = resp["packs"]["test_pack"]
	assert shared["files"] == %{"blank" => "blank.png", "blank2" => "blank2.png"}
	assert Map.has_key?(shared["pack"], "download-sha256")
	assert shared["pack"]["can-download"]
	assert shared["pack"]["share-files"]

	non_shared = resp["packs"]["test_pack_nonshared"]
	assert non_shared["pack"]["share-files"] == false
	assert non_shared["pack"]["can-download"] == false

	resp =
	conn
	\|> get("/api/pleroma/emoji/packs?page_size=1")
	\|> json_response_and_validate_schema(200)

	assert resp["count"] == 4

	packs = Map.keys(resp["packs"])

	assert length(packs) == 1

	[pack1] = packs

	resp =
	conn
	\|> get("/api/pleroma/emoji/packs?page_size=1&page=2")
	\|> json_response_and_validate_schema(200)

	assert resp["count"] == 4
	packs = Map.keys(resp["packs"])
	assert length(packs) == 1
	[pack2] = packs

	resp =
	conn
	\|> get("/api/pleroma/emoji/packs?page_size=1&page=3")
	\|> json_response_and_validate_schema(200)

	assert resp["count"] == 4
	packs = Map.keys(resp["packs"])
	assert length(packs) == 1
	[pack3] = packs

	resp =
	conn
	\|> get("/api/pleroma/emoji/packs?page_size=1&page=4")
	\|> json_response_and_validate_schema(200)

	assert resp["count"] == 4
	packs = Map.keys(resp["packs"])
	assert length(packs) == 1
	[pack4] = packs
	assert [pack1, pack2, pack3, pack4] \|> Enum.uniq() \|> length() == 4
	end

	describe "GET /api/pleroma/emoji/packs/remote" do
	test "shareable instance", %{admin_conn: admin_conn, conn: conn} do
	resp =
	conn
	\|> get("/api/pleroma/emoji/packs?page=2&page_size=1")
	\|> json_response_and_validate_schema(200)

	mock(fn
	%{method: :get, url: "https://example.com/.well-known/nodeinfo"} ->
	json(%{links: [%{href: "https://example.com/nodeinfo/2.1.json"}]})

	%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
	json(%{metadata: %{features: ["shareable_emoji_packs"]}})

	%{method: :get, url: "https://example.com/api/pleroma/emoji/packs?page=2&page_size=1"} ->
	json(resp)
	end)

	assert admin_conn
	\|> get("/api/pleroma/emoji/packs/remote?url=https://example.com&page=2&page_size=1")
	\|> json_response_and_validate_schema(200) == resp
	end

	test "non shareable instance", %{admin_conn: admin_conn} do
	mock(fn
	%{method: :get, url: "https://example.com/.well-known/nodeinfo"} ->
	json(%{links: [%{href: "https://example.com/nodeinfo/2.1.json"}]})

	%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
	json(%{metadata: %{features: []}})
	end)

	assert admin_conn
	\|> get("/api/pleroma/emoji/packs/remote?url=https://example.com")
	\|> json_response_and_validate_schema(500) == %{
	"error" => "The requested instance does not support sharing emoji packs"
	}
	end
	end

	describe "GET /api/pleroma/emoji/packs/archive?name=:name" do
	test "download shared pack", %{conn: conn} do
	resp =
	conn
	\|> get("/api/pleroma/emoji/packs/archive?name=test_pack")
	\|> response(200)

	{:ok, arch} = :zip.unzip(resp, [:memory])

	assert Enum.find(arch, fn {n, _} -> n == 'pack.json' end)
	assert Enum.find(arch, fn {n, _} -> n == 'blank.png' end)
	end

	test "non existing pack", %{conn: conn} do
	assert conn
	\|> get("/api/pleroma/emoji/packs/archive?name=test_pack_for_import")
	\|> json_response_and_validate_schema(:not_found) == %{
	"error" => "Pack test_pack_for_import does not exist"
	}
	end

	test "non downloadable pack", %{conn: conn} do
	assert conn
	\|> get("/api/pleroma/emoji/packs/archive?name=test_pack_nonshared")
	\|> json_response_and_validate_schema(:forbidden) == %{
	"error" =>
	"Pack test_pack_nonshared cannot be downloaded from this instance, either pack sharing was disabled for this pack or some files are missing"
	}
	end
	end

	describe "POST /api/pleroma/emoji/packs/download" do
	test "shared pack from remote and non shared from fallback-src", %{
	admin_conn: admin_conn,
	conn: conn
	} do
	mock(fn
	%{method: :get, url: "https://example.com/.well-known/nodeinfo"} ->
	json(%{links: [%{href: "https://example.com/nodeinfo/2.1.json"}]})

	%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
	json(%{metadata: %{features: ["shareable_emoji_packs"]}})

	%{
	method: :get,
	url: "https://example.com/api/pleroma/emoji/pack?name=test_pack"
	} ->
	conn
	\|> get("/api/pleroma/emoji/pack?name=test_pack")
	\|> json_response_and_validate_schema(200)
	\|> json()

	%{
	method: :get,
	url: "https://example.com/api/pleroma/emoji/packs/archive?name=test_pack"
	} ->
	conn
	\|> get("/api/pleroma/emoji/packs/archive?name=test_pack")
	\|> response(200)
	\|> text()

	%{
	method: :get,
	url: "https://example.com/api/pleroma/emoji/pack?name=test_pack_nonshared"
	} ->
	conn
	\|> get("/api/pleroma/emoji/pack?name=test_pack_nonshared")
	\|> json_response_and_validate_schema(200)
	\|> json()

	%{
	method: :get,
	url: "https://nonshared-pack"
	} ->
	text(File.read!("#{@emoji_path}/test_pack_nonshared/nonshared.zip"))
	end)

	assert admin_conn
	\|> put_req_header("content-type", "multipart/form-data")
	\|> post("/api/pleroma/emoji/packs/download", %{
	url: "https://example.com",
	name: "test_pack",
	as: "test_pack2"
	})
	\|> json_response_and_validate_schema(200) == "ok"

	assert File.exists?("#{@emoji_path}/test_pack2/pack.json")
	assert File.exists?("#{@emoji_path}/test_pack2/blank.png")

	assert admin_conn
	\|> delete("/api/pleroma/emoji/pack?name=test_pack2")
	\|> json_response_and_validate_schema(200) == "ok"

	refute File.exists?("#{@emoji_path}/test_pack2")

	assert admin_conn
	\|> put_req_header("content-type", "multipart/form-data")
	\|> post(
	"/api/pleroma/emoji/packs/download",
	%{
	url: "https://example.com",
	name: "test_pack_nonshared",
	as: "test_pack_nonshared2"
	}
	)
	\|> json_response_and_validate_schema(200) == "ok"

	assert File.exists?("#{@emoji_path}/test_pack_nonshared2/pack.json")
	assert File.exists?("#{@emoji_path}/test_pack_nonshared2/blank.png")

	assert admin_conn
	\|> delete("/api/pleroma/emoji/pack?name=test_pack_nonshared2")
	\|> json_response_and_validate_schema(200) == "ok"

	refute File.exists?("#{@emoji_path}/test_pack_nonshared2")
	end

	test "nonshareable instance", %{admin_conn: admin_conn} do
	mock(fn
	%{method: :get, url: "https://old-instance/.well-known/nodeinfo"} ->
	json(%{links: [%{href: "https://old-instance/nodeinfo/2.1.json"}]})

	%{method: :get, url: "https://old-instance/nodeinfo/2.1.json"} ->
	json(%{metadata: %{features: []}})
	end)

	assert admin_conn
	\|> put_req_header("content-type", "multipart/form-data")
	\|> post(
	"/api/pleroma/emoji/packs/download",
	%{
	url: "https://old-instance",
	name: "test_pack",
	as: "test_pack2"
	}
	)
	\|> json_response_and_validate_schema(500) == %{
	"error" => "The requested instance does not support sharing emoji packs"
	}
	end

	test "checksum fail", %{admin_conn: admin_conn} do
	mock(fn
	%{method: :get, url: "https://example.com/.well-known/nodeinfo"} ->
	json(%{links: [%{href: "https://example.com/nodeinfo/2.1.json"}]})

	%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
	json(%{metadata: %{features: ["shareable_emoji_packs"]}})

	%{
	method: :get,
	url: "https://example.com/api/pleroma/emoji/pack?name=pack_bad_sha"
	} ->
	{:ok, pack} = Pleroma.Emoji.Pack.load_pack("pack_bad_sha")
	%Tesla.Env{status: 200, body: Jason.encode!(pack)}

	%{
	method: :get,
	url: "https://example.com/api/pleroma/emoji/packs/archive?name=pack_bad_sha"
	} ->
	%Tesla.Env{
	status: 200,
	body: File.read!("test/instance_static/emoji/pack_bad_sha/pack_bad_sha.zip")
	}
	end)

	assert admin_conn
	\|> put_req_header("content-type", "multipart/form-data")
	\|> post("/api/pleroma/emoji/packs/download", %{
	url: "https://example.com",
	name: "pack_bad_sha",
	as: "pack_bad_sha2"
	})
	\|> json_response_and_validate_schema(:internal_server_error) == %{
	"error" => "SHA256 for the pack doesn't match the one sent by the server"
	}
	end

	test "other error", %{admin_conn: admin_conn} do
	mock(fn
	%{method: :get, url: "https://example.com/.well-known/nodeinfo"} ->
	json(%{links: [%{href: "https://example.com/nodeinfo/2.1.json"}]})

	%{method: :get, url: "https://example.com/nodeinfo/2.1.json"} ->
	json(%{metadata: %{features: ["shareable_emoji_packs"]}})

	%{
	method: :get,
	url: "https://example.com/api/pleroma/emoji/pack?name=test_pack"
	} ->
	{:ok, pack} = Pleroma.Emoji.Pack.load_pack("test_pack")
	%Tesla.Env{status: 200, body: Jason.encode!(pack)}
	end)

	assert admin_conn
	\|> put_req_header("content-type", "multipart/form-data")
	\|> post("/api/pleroma/emoji/packs/download", %{
	url: "https://example.com",
	name: "test_pack",
	as: "test_pack2"
	})
	\|> json_response_and_validate_schema(:internal_server_error) == %{
	"error" =>
	"The pack was not set as shared and there is no fallback src to download from"
	}
	end
	end

	describe "PATCH/update /api/pleroma/emoji/pack?name=:name" do
	setup do
	pack_file = "#{@emoji_path}/test_pack/pack.json"
	original_content = File.read!(pack_file)

	on_exit(fn ->
	File.write!(pack_file, original_content)
	end)

	{:ok,
	pack_file: pack_file,
	new_data: %{
	"license" => "Test license changed",
	"homepage" => "https://pleroma.social",
	"description" => "Test description",
	"share-files" => false
	}}
	end

	test "returns error when file system not writable", %{admin_conn: conn} = ctx do
	with_mocks([
	{File, [:passthrough], [stat: fn _ -> {:error, :eacces} end]}
	]) do
	assert conn
	\|> put_req_header("content-type", "multipart/form-data")
	\|> patch(
	"/api/pleroma/emoji/pack?name=test_pack",
	%{"metadata" => ctx[:new_data]}
	)
	\|> json_response_and_validate_schema(500)
	end
	end

	test "for a pack without a fallback source", ctx do
	assert ctx[:admin_conn]
	\|> put_req_header("content-type", "multipart/form-data")
	\|> patch("/api/pleroma/emoji/pack?name=test_pack", %{
	"metadata" => ctx[:new_data]
	})
	\|> json_response_and_validate_schema(200) == ctx[:new_data]

	assert Jason.decode!(File.read!(ctx[:pack_file]))["pack"] == ctx[:new_data]
	end

	test "for a pack with a fallback source", ctx do
	mock(fn
	%{
	method: :get,
	url: "https://nonshared-pack"
	} ->
	text(File.read!("#{@emoji_path}/test_pack_nonshared/nonshared.zip"))
	end)

	new_data = Map.put(ctx[:new_data], "fallback-src", "https://nonshared-pack")

	new_data_with_sha =
	Map.put(
	new_data,
	"fallback-src-sha256",
	"1967BB4E42BCC34BCC12D57BE7811D3B7BE52F965BCE45C87BD377B9499CE11D"
	)

	assert ctx[:admin_conn]
	\|> put_req_header("content-type", "multipart/form-data")
	\|> patch("/api/pleroma/emoji/pack?name=test_pack", %{metadata: new_data})
	\|> json_response_and_validate_schema(200) == new_data_with_sha

	assert Jason.decode!(File.read!(ctx[:pack_file]))["pack"] == new_data_with_sha
	end

	test "when the fallback source doesn't have all the files", ctx do
	mock(fn
	%{
	method: :get,
	url: "https://nonshared-pack"
	} ->
	{:ok, {'empty.zip', empty_arch}} = :zip.zip('empty.zip', [], [:memory])
	text(empty_arch)
	end)

	new_data = Map.put(ctx[:new_data], "fallback-src", "https://nonshared-pack")

	assert ctx[:admin_conn]
	\|> put_req_header("content-type", "multipart/form-data")
	\|> patch("/api/pleroma/emoji/pack?name=test_pack", %{metadata: new_data})
	\|> json_response_and_validate_schema(:bad_request) == %{
	"error" => "The fallback archive does not have all files specified in pack.json"
	}
	end
	end

	describe "POST/DELETE /api/pleroma/emoji/pack?name=:name" do
	test "returns an error on creates pack when file system not writable", %{
	admin_conn: admin_conn
	} do
	path_pack = Path.join(@emoji_path, "test_pack")

	with_mocks([
	{File, [:passthrough], [mkdir: fn ^path_pack -> {:error, :eacces} end]}
	]) do
	assert admin_conn
	\|> post("/api/pleroma/emoji/pack?name=test_pack")
	\|> json_response_and_validate_schema(500) == %{
	"error" =>
	"Unexpected error occurred while creating pack. (POSIX error: Permission denied)"
	}
	end
	end

	test "returns an error on deletes pack when the file system is not writable", %{
	admin_conn: admin_conn
	} do
	path_pack = Path.join(@emoji_path, "test_emoji_pack")

	try do
	{:ok, _pack} = Pleroma.Emoji.Pack.create("test_emoji_pack")

	with_mocks([
	{File, [:passthrough], [rm_rf: fn ^path_pack -> {:error, :eacces, path_pack} end]}
	]) do
	assert admin_conn
	\|> delete("/api/pleroma/emoji/pack?name=test_emoji_pack")
	\|> json_response_and_validate_schema(500) == %{
	"error" =>
	"Couldn't delete the `test_emoji_pack` pack (POSIX error: Permission denied)"
	}
	end
	after
	File.rm_rf(path_pack)
	end
	end

	test "creating and deleting a pack", %{admin_conn: admin_conn} do
	assert admin_conn
	\|> post("/api/pleroma/emoji/pack?name=test_created")
	\|> json_response_and_validate_schema(200) == "ok"

	assert File.exists?("#{@emoji_path}/test_created/pack.json")

	assert Jason.decode!(File.read!("#{@emoji_path}/test_created/pack.json")) == %{
	"pack" => %{},
	"files" => %{},
	"files_count" => 0
	}

	assert admin_conn
	\|> delete("/api/pleroma/emoji/pack?name=test_created")
	\|> json_response_and_validate_schema(200) == "ok"

	refute File.exists?("#{@emoji_path}/test_created/pack.json")
	end

	test "if pack exists", %{admin_conn: admin_conn} do
	path = Path.join(@emoji_path, "test_created")
	File.mkdir(path)
	pack_file = Jason.encode!(%{files: %{}, pack: %{}})
	File.write!(Path.join(path, "pack.json"), pack_file)

	assert admin_conn
	\|> post("/api/pleroma/emoji/pack?name=test_created")
	\|> json_response_and_validate_schema(:conflict) == %{
	"error" => "A pack named \"test_created\" already exists"
	}

	on_exit(fn -> File.rm_rf(path) end)
	end

	test "with empty name", %{admin_conn: admin_conn} do
	assert admin_conn
	\|> post("/api/pleroma/emoji/pack?name= ")
	\|> json_response_and_validate_schema(:bad_request) == %{
	"error" => "pack name cannot be empty"
	}
	end
	end

	test "deleting nonexisting pack", %{admin_conn: admin_conn} do
	assert admin_conn
	\|> delete("/api/pleroma/emoji/pack?name=non_existing")
	\|> json_response_and_validate_schema(:not_found) == %{
	"error" => "Pack non_existing does not exist"
	}
	end

	test "deleting with empty name", %{admin_conn: admin_conn} do
	assert admin_conn
	\|> delete("/api/pleroma/emoji/pack?name= ")
	\|> json_response_and_validate_schema(:bad_request) == %{
	"error" => "pack name cannot be empty"
	}
	end

	test "filesystem import", %{admin_conn: admin_conn, conn: conn} do
	on_exit(fn ->
	File.rm!("#{@emoji_path}/test_pack_for_import/emoji.txt")
	File.rm!("#{@emoji_path}/test_pack_for_import/pack.json")
	end)

	resp = conn \|> get("/api/pleroma/emoji/packs") \|> json_response_and_validate_schema(200)

	refute Map.has_key?(resp["packs"], "test_pack_for_import")

	assert admin_conn
	\|> get("/api/pleroma/emoji/packs/import")
	\|> json_response_and_validate_schema(200) == ["test_pack_for_import"]

	resp = conn \|> get("/api/pleroma/emoji/packs") \|> json_response_and_validate_schema(200)
	assert resp["packs"]["test_pack_for_import"]["files"] == %{"blank" => "blank.png"}

	File.rm!("#{@emoji_path}/test_pack_for_import/pack.json")
	refute File.exists?("#{@emoji_path}/test_pack_for_import/pack.json")

	emoji_txt_content = """
	blank, blank.png, Fun
	blank2, blank.png
	foo, /emoji/test_pack_for_import/blank.png
	bar
	"""

	File.write!("#{@emoji_path}/test_pack_for_import/emoji.txt", emoji_txt_content)

	assert admin_conn
	\|> get("/api/pleroma/emoji/packs/import")
	\|> json_response_and_validate_schema(200) == ["test_pack_for_import"]

	resp = conn \|> get("/api/pleroma/emoji/packs") \|> json_response_and_validate_schema(200)

	assert resp["packs"]["test_pack_for_import"]["files"] == %{
	"blank" => "blank.png",
	"blank2" => "blank.png",
	"foo" => "blank.png"
	}
	end

	describe "GET /api/pleroma/emoji/pack?name=:name" do
	test "shows pack.json", %{conn: conn} do
	assert %{
	"files" => files,
	"files_count" => 2,
	"pack" => %{
	"can-download" => true,
	"description" => "Test description",
	"download-sha256" => _,
	"homepage" => "https://pleroma.social",
	"license" => "Test license",
	"share-files" => true
	}
	} =
	conn
	\|> get("/api/pleroma/emoji/pack?name=test_pack")
	\|> json_response_and_validate_schema(200)

	assert files == %{"blank" => "blank.png", "blank2" => "blank2.png"}

	assert %{
	"files" => files,
	"files_count" => 2
	} =
	conn
	\|> get("/api/pleroma/emoji/pack?name=test_pack&page_size=1")
	\|> json_response_and_validate_schema(200)

	assert files \|> Map.keys() \|> length() == 1

	assert %{
	"files" => files,
	"files_count" => 2
	} =
	conn
	\|> get("/api/pleroma/emoji/pack?name=test_pack&page_size=1&page=2")
	\|> json_response_and_validate_schema(200)

	assert files \|> Map.keys() \|> length() == 1
	end

	test "for pack name with special chars", %{conn: conn} do
	assert %{
	"files" => _files,
	"files_count" => 1,
	"pack" => %{
	"can-download" => true,
	"description" => "Test description",
	"download-sha256" => _,
	"homepage" => "https://pleroma.social",
	"license" => "Test license",
	"share-files" => true
	}
	} =
	conn
	\|> get("/api/pleroma/emoji/pack?name=blobs.gg")
	\|> json_response_and_validate_schema(200)
	end

	test "non existing pack", %{conn: conn} do
	assert conn
	\|> get("/api/pleroma/emoji/pack?name=non_existing")
	\|> json_response_and_validate_schema(:not_found) == %{
	"error" => "Pack non_existing does not exist"
	}
	end

	test "error name", %{conn: conn} do
	assert conn
	\|> get("/api/pleroma/emoji/pack?name= ")
	\|> json_response_and_validate_schema(:bad_request) == %{
	"error" => "pack name cannot be empty"
	}
	end
	end
	end

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