File

spec/util_http_spec.lua @ 13553:850e4ade7a01

net.server_epoll: Make running out of buffer space a fatal error Prevent Bad Things from happening when the buffer gets full. This of course opens up the possibility of intentionally killing connections by sending much stuff, which need to be mitigated with rate limits elsewhere.
author Kim Alvefur <zash@zash.se>
date Sat, 09 Nov 2024 15:42:31 +0100
parent 13401:626ab0af83af
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local http = require "util.http";

describe("util.http", function()
	describe("#urlencode()", function()
		it("should not change normal characters", function()
			assert.are.equal(http.urlencode("helloworld123"), "helloworld123");
		end);

		it("should escape spaces", function()
			assert.are.equal(http.urlencode("hello world"), "hello%20world");
		end);

		it("should escape important URL characters", function()
			assert.are.equal(http.urlencode("This & that = something"), "This%20%26%20that%20%3d%20something");
		end);
	end);

	describe("#urldecode()", function()
		it("should not change normal characters", function()
			assert.are.equal("helloworld123", http.urldecode("helloworld123"), "Normal characters not escaped");
		end);

		it("should decode spaces", function()
			assert.are.equal("hello world", http.urldecode("hello%20world"), "Spaces escaped");
		end);

		it("should decode important URL characters", function()
			assert.are.equal("This & that = something", http.urldecode("This%20%26%20that%20%3d%20something"), "Important URL chars escaped");
		end);

		it("should decode both lower and uppercase", function ()
			assert.are.equal("This & that = {something}.", http.urldecode("This%20%26%20that%20%3D%20%7Bsomething%7D%2E"), "Important URL chars escaped");
		end);

	end);

	describe("#formencode()", function()
		it("should encode basic data", function()
			assert.are.equal(http.formencode({ { name = "one", value = "1"}, { name = "two", value = "2" } }), "one=1&two=2", "Form encoded");
		end);

		it("should encode special characters with escaping", function()
			-- luacheck: ignore 631
			assert.are.equal(http.formencode({ { name = "one two", value = "1"}, { name = "two one&", value = "2" } }), "one+two=1&two+one%26=2", "Form encoded");
		end);
	end);

	describe("#formdecode()", function()
		it("should decode basic data", function()
			local t = http.formdecode("one=1&two=2");
			assert.are.same(t, {
				{ name = "one", value = "1" };
				{ name = "two", value = "2" };
				one = "1";
				two = "2";
			});
		end);

		it("should decode special characters", function()
			local t = http.formdecode("one+two=1&two+one%26=2");
			assert.are.same(t, {
				{ name = "one two", value = "1" };
				{ name = "two one&", value = "2" };
				["one two"] = "1";
				["two one&"] = "2";
			});
		end);
	end);

	describe("normalize_path", function ()
		it("root path is always '/'", function ()
			assert.equal("/", http.normalize_path("/"));
			assert.equal("/", http.normalize_path(""));
			assert.equal("/", http.normalize_path("/", true));
			assert.equal("/", http.normalize_path("", true));
		end);

		it("works", function ()
			assert.equal("/foo", http.normalize_path("foo"));
			assert.equal("/foo", http.normalize_path("/foo"));
			assert.equal("/foo", http.normalize_path("foo/"));
			assert.equal("/foo", http.normalize_path("/foo/"));
		end);

		it("is_dir works", function ()
			assert.equal("/foo/", http.normalize_path("foo", true));
			assert.equal("/foo/", http.normalize_path("/foo", true));
			assert.equal("/foo/", http.normalize_path("foo/", true));
			assert.equal("/foo/", http.normalize_path("/foo/", true));
		end);
	end);

	describe("contains_token", function ()
		it("is present in field", function ()
			assert.is_true(http.contains_token("foo", "foo"));
			assert.is_true(http.contains_token("foo, bar", "foo"));
			assert.is_true(http.contains_token("foo,bar", "foo"));
			assert.is_true(http.contains_token("bar,  foo,baz", "foo"));
		end);

		it("is absent from field", function ()
			assert.is_false(http.contains_token("bar", "foo"));
			assert.is_false(http.contains_token("fooo", "foo"));
			assert.is_false(http.contains_token("foo o,bar", "foo"));
		end);

		it("is weird", function ()
			assert.is_(http.contains_token("fo o", "foo"));
		end);
	end);

do
	describe("parse_forwarded", function()
		it("works", function()
			assert.same({ { ["for"] = "[2001:db8:cafe::17]:4711" } }, http.parse_forwarded('For="[2001:db8:cafe::17]:4711"'), "case insensitive");

			assert.same({ { ["for"] = "192.0.2.60"; proto = "http"; by = "203.0.113.43" } }, http.parse_forwarded('for=192.0.2.60;proto=http;by=203.0.113.43'),
				"separated by semicolon");

			assert.same({ { ["for"] = "192.0.2.43" }; { ["for"] = "198.51.100.17" } }, http.parse_forwarded('for=192.0.2.43, for=198.51.100.17'),
				"Values from multiple proxy servers can be appended using a comma");

		end)
		it("rejects quoted quotes", function ()
			assert.falsy(http.parse_forwarded('foo="bar\"bar'), "quoted quotes");
		end)
		pending("deals with quoted quotes", function ()
			assert.same({ { foo = 'bar"baz' } }, http.parse_forwarded('foo="bar\"bar'), "quoted quotes");
		end)
	end)
end
end);