/
server-test.c++
3598 lines (3159 loc) · 106 KB
/
server-test.c++
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// Copyright (c) 2017-2022 Cloudflare, Inc.
// Licensed under the Apache 2.0 license found in the LICENSE file or at:
// https://opensource.org/licenses/Apache-2.0
#include "server.h"
#include <kj/test.h>
#include <workerd/util/capnp-mock.h>
#include <workerd/jsg/setup.h>
#include <kj/async-queue.h>
#include <regex>
#include <stdlib.h>
namespace workerd::server {
namespace {
#define KJ_FAIL_EXPECT_AT(location, ...) \
KJ_LOG_AT(ERROR, location, ##__VA_ARGS__);
#define KJ_EXPECT_AT(cond, location, ...) \
if (auto _kjCondition = ::kj::_::MAGIC_ASSERT << cond); \
else KJ_FAIL_EXPECT_AT(location, "failed: expected " #cond, _kjCondition, ##__VA_ARGS__)
jsg::V8System v8System;
// This can only be created once per process, so we have to put it at the top level.
const bool verboseLog = ([]() {
// TODO(beta): Improve uncaught exception reporting so that we dontt have to do this.
kj::_::Debug::setLogLevel(kj::LogSeverity::INFO);
return true;
})();
kj::Own<config::Config::Reader> parseConfig(kj::StringPtr text, kj::SourceLocation loc) {
capnp::MallocMessageBuilder builder;
auto root = builder.initRoot<config::Config>();
KJ_IF_SOME(exception, kj::runCatchingExceptions([&]() {
TEXT_CODEC.decode(text, root);
})) {
KJ_FAIL_REQUIRE_AT(loc, exception);
}
return capnp::clone(root.asReader());
}
// Accept an indented block of text and remove the indentation. From each line of text, this will
// remove a number of spaces up to the indentation of the first line.
//
// This is intended to allow multi-line raw text to be specified conveniently using C++11
// `R"(blah)"` literal syntax, without the need to mess up indentation relative to the
// surrounding code.
kj::String operator "" _blockquote(const char* str, size_t n) {
kj::StringPtr text(str, n);
// Ignore a leading newline so that `R"(` can be placed on the line before the initial indent.
if (text.startsWith("\n")) {
text = text.slice(1);
}
// Count indent size.
size_t indent = 0;
while (text.startsWith(" ")) {
text = text.slice(1);
++indent;
}
// Process lines.
kj::Vector<char> result;
while (text != nullptr) {
// Add data from this line.
auto nl = text.findFirst('\n').orDefault(text.size() - 1) + 1;
result.addAll(text.slice(0, nl));
text = text.slice(nl);
// Skip indent of next line, up to the expected indent size.
size_t seenIndent = 0;
while (seenIndent < indent && text.startsWith(" ")) {
text = text.slice(1);
++seenIndent;
}
}
result.add('\0');
return kj::String(result.releaseAsArray());
}
class TestStream {
public:
TestStream(kj::WaitScope& ws, kj::Own<kj::AsyncIoStream> stream)
: ws(ws), stream(kj::mv(stream)) {}
void send(kj::StringPtr data, kj::SourceLocation loc = {}) {
stream->write(data.begin(), data.size()).wait(ws);
}
void recv(kj::StringPtr expected, kj::SourceLocation loc = {}) {
auto actual = readAllAvailable();
if (actual == nullptr) {
KJ_FAIL_EXPECT_AT(loc, "message never received");
} else {
KJ_EXPECT_AT(actual == expected, loc);
}
}
void recvRegex(kj::StringPtr matcher, kj::SourceLocation loc = {}) {
auto actual = readAllAvailable();
if (actual == nullptr) {
KJ_FAIL_EXPECT_AT(loc, "message never received");
} else {
std::regex target(matcher.cStr());
KJ_EXPECT(std::regex_match(actual.cStr(), target), actual, matcher, loc);
}
}
void recvWebSocket(kj::StringPtr expected, kj::SourceLocation loc = {}) {
auto actual = readWebSocketMessage();
KJ_EXPECT_AT(actual == expected, loc);
}
void recvWebSocketRegex(kj::StringPtr matcher, kj::SourceLocation loc = {}) {
auto actual = readWebSocketMessage();
std::regex target(matcher.cStr());
KJ_EXPECT(std::regex_match(actual.cStr(), target), actual, matcher, loc);
}
void recvWebSocketClose(int expectedCode) {
auto actual = readWebSocketMessage();
KJ_EXPECT(actual.size() >= 2);
int gotCode = (static_cast<uint8_t>(actual[0]) << 8) + static_cast<uint8_t>(actual[1]);
KJ_EXPECT(gotCode == expectedCode);
}
void sendHttpGet(kj::StringPtr path, kj::SourceLocation loc = {}) {
send(kj::str(
"GET ", path, " HTTP/1.1\n"
"Host: foo\n"
"\n"), loc);
}
void recvHttp200(kj::StringPtr expectedResponse, kj::SourceLocation loc = {}) {
recv(kj::str(
"HTTP/1.1 200 OK\n"
"Content-Length: ", expectedResponse.size(), "\n"
"Content-Type: text/plain;charset=UTF-8\n"
"\n",
expectedResponse), loc);
}
void httpGet200(kj::StringPtr path, kj::StringPtr expectedResponse, kj::SourceLocation loc = {}) {
sendHttpGet(path, loc);
recvHttp200(expectedResponse, loc);
}
// Return true if the stream is at EOF.
bool isEof() {
if (premature != kj::none) {
// We still have unread data so we're definitely not at EOF.
return false;
}
char c;
auto promise = stream->tryRead(&c, 1, 1);
if (!promise.poll(ws)) {
// Read didn't complete immediately. We have no data available, but we're not at EOF.
return false;
}
size_t n = promise.wait(ws);
if (n == 0) {
return true;
} else {
// Oops, the stream had data available and we accidentally read a byte of it. Store that off
// to the side.
KJ_ASSERT(n == 1);
premature = c;
return false;
}
}
void upgradeToWebSocket() {
send(R"(
GET / HTTP/1.1
Host: foo
Upgrade: websocket
Sec-WebSocket-Key: AAAAAAAAAAAAAAAAAAAAAA==
Sec-WebSocket-Version: 13
)"_blockquote, {});
recv(R"(
HTTP/1.1 101 Switching Protocols
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Accept: ICX+Yqv66kxgM0FcWaLWlFLwTAI=
)"_blockquote, {});
}
private:
kj::WaitScope& ws;
kj::Own<kj::AsyncIoStream> stream;
// isEof() may prematurely read a character. Keep it off to the side for the next actual read.
kj::Maybe<char> premature;
kj::String readAllAvailable() {
kj::Vector<char> buffer(256);
KJ_IF_SOME(p, premature) {
buffer.add(p);
}
// Continuously try to read until there's nothing to read (or we've gone way past the size
// expected).
for (;;) {
size_t pos = buffer.size();
buffer.resize(kj::max(buffer.size() + 256, buffer.capacity()));
auto promise = stream->tryRead(buffer.begin() + pos, 1, buffer.size() - pos);
if (!promise.poll(ws)) {
// A tryRead() of 1 byte didn't resolve, there must be no data to read.
buffer.resize(pos);
break;
}
size_t n = promise.wait(ws);
if (n == 0) {
buffer.resize(pos);
break;
}
// Strip out `\r`s for convenience. We do this in-place...
for (size_t i: kj::range(pos, pos + n)) {
if (buffer[i] != '\r') {
buffer[pos++] = buffer[i];
}
}
buffer.resize(pos);
};
buffer.add('\0');
return kj::String(buffer.releaseAsArray());
}
kj::String readWebSocketMessage(size_t maxMessageSize = 1 << 24) {
// Reads a single, non-fragmented WebSocket message. Returns just the payload.
kj::Vector<uint8_t> header(256);
kj::Vector<uint8_t> mask(4);
KJ_IF_SOME(p, premature) {
header.add(p);
premature = kj::Maybe<char>();
}
tryRead(header, 2 - header.size(), "reading first two bytes of header");
bool masked = header[1] & 0x80;
size_t sevenBitPayloadLength = header[1] & 0x7f;
size_t realPayloadLength = sevenBitPayloadLength;
if (sevenBitPayloadLength == 126) {
tryRead(header, 2, "reading 16-bit payload length");
realPayloadLength = (static_cast<size_t>(header[2]) << 8) + static_cast<size_t>(header[3]);
} else if (sevenBitPayloadLength == 127) {
tryRead(header, 8, "reading 64-bit payload length");
realPayloadLength = (static_cast<size_t>(header[2]) << 56)
+ (static_cast<size_t>(header[3]) << 48)
+ (static_cast<size_t>(header[4]) << 40)
+ (static_cast<size_t>(header[5]) << 32)
+ (static_cast<size_t>(header[6]) << 24)
+ (static_cast<size_t>(header[7]) << 16)
+ (static_cast<size_t>(header[8]) << 8)
+ (static_cast<size_t>(header[9]));
KJ_REQUIRE(realPayloadLength <= maxMessageSize,
kj::str("Payload size too big (", realPayloadLength, " > ", maxMessageSize, ")"));
}
if (masked) {
tryRead(mask, 4, "reading mask key");
// Currently we assume the mask is always 0, so its application is a no-op, hence we don't
// bother.
}
kj::Vector<char> payload(realPayloadLength + 1);
tryRead(payload, realPayloadLength, "reading payload");
payload.add('\0');
return kj::String(payload.releaseAsArray());
}
template <typename T>
void tryRead(kj::Vector<T>& buffer, size_t bytesToRead, kj::StringPtr what) {
static_assert(sizeof(T) == 1, "not byte-sized");
size_t pos = buffer.size();
size_t bytesRead = 0;
buffer.resize(buffer.size() + bytesToRead);
while (bytesRead < bytesToRead) {
auto promise = stream->tryRead(buffer.begin() + pos, 1, buffer.size() - pos);
KJ_REQUIRE(promise.poll(ws), kj::str("No data available while ", what));
// A tryRead() of 1 byte didn't resolve, there must be no data to read.
size_t n = promise.wait(ws);
KJ_REQUIRE(n > 0, kj::str("Not enough data while ", what));
bytesRead += n;
}
}
};
class TestServer final: private kj::Filesystem, private kj::EntropySource, private kj::Clock {
public:
TestServer(kj::StringPtr configText, kj::SourceLocation loc = {})
: ws(loop),
config(parseConfig(configText, loc)),
root(kj::newInMemoryDirectory(*this)),
pwd(kj::Path({"current", "dir"})),
cwd(root->openSubdir(pwd, kj::WriteMode::CREATE | kj::WriteMode::CREATE_PARENT)),
timer(kj::origin<kj::TimePoint>()),
server(*this, timer, mockNetwork, *this, Worker::ConsoleMode::INSPECTOR_ONLY,
[this](kj::String error) {
if (expectedErrors.startsWith(error) && expectedErrors[error.size()] == '\n') {
expectedErrors = expectedErrors.slice(error.size() + 1);
} else {
KJ_FAIL_EXPECT(error, expectedErrors);
}
}),
fakeDate(kj::UNIX_EPOCH),
mockNetwork(*this, {}, {}) {}
~TestServer() noexcept(false) {
for (auto& subq: subrequests) {
subq.value->rejectAll(KJ_EXCEPTION(FAILED, "test ended"));
}
if (!unwindDetector.isUnwinding()) {
// Make sure any errors are reported.
KJ_IF_SOME(t, runTask) {
t.poll(ws);
}
}
}
// Start the server. Call before connect().
void start(kj::Promise<void> drainWhen = kj::NEVER_DONE) {
KJ_REQUIRE(runTask == kj::none);
auto task = server.run(v8System, *config, kj::mv(drainWhen))
.eagerlyEvaluate([](kj::Exception&& e) {
KJ_FAIL_EXPECT(e);
});
KJ_EXPECT(!task.poll(ws));
runTask = kj::mv(task);
}
// Call instead of `start()` when the config is expected to produce errors. The parameter is
// the expected list of errors messages, one per line.
void expectErrors(kj::StringPtr expected) {
expectedErrors = expected;
server.run(v8System, *config).poll(ws);
KJ_EXPECT(expectedErrors == nullptr, "some expected errors weren't seen");
}
// Connect to the server on the given address. The string just has to match what is in the
// config; the actual connection is in-memory with no network involved.
TestStream connect(kj::StringPtr addr) {
return TestStream(ws, KJ_REQUIRE_NONNULL(sockets.find(addr), addr)->connect().wait(ws));
}
// Expect an incoming connection on the given address and from a network with the given
// allowed / denied peer list.
TestStream receiveSubrequest(kj::StringPtr addr,
kj::ArrayPtr<const kj::StringPtr> allowedPeers = nullptr,
kj::ArrayPtr<const kj::StringPtr> deniedPeers = nullptr,
kj::SourceLocation loc = {}) {
auto expectedFilter = peerFilterToString(allowedPeers, deniedPeers);
auto promise = getSubrequestQueue(addr).pop();
KJ_ASSERT_AT(promise.poll(ws), loc, "never received expected subrequest", addr);
auto info = promise.wait(ws);
auto actualFilter = info.peerFilter;
KJ_EXPECT_AT(actualFilter == expectedFilter, loc);
auto pipe = kj::newTwoWayPipe();
info.fulfiller->fulfill(kj::mv(pipe.ends[0]));
return TestStream(ws, kj::mv(pipe.ends[1]));
}
TestStream receiveInternetSubrequest(kj::StringPtr addr,
kj::SourceLocation loc = {}) {
return receiveSubrequest(addr, {"public"_kj}, {}, loc);
}
// Advance the timer through `seconds` seconds of virtual time.
void wait(size_t seconds) {
auto delayPromise = timer.afterDelay(seconds * kj::SECONDS).eagerlyEvaluate(nullptr);
while (!delayPromise.poll(ws)) {
// Since this test has no external I/O at all other than time, we know no events could
// possibly occur until the next timer event. So just advance directly to it and continue.
timer.advanceTo(KJ_ASSERT_NONNULL(timer.nextEvent()));
}
delayPromise.wait(ws);
}
kj::EventLoop loop;
kj::WaitScope ws;
kj::Own<config::Config::Reader> config;
kj::Own<const kj::Directory> root;
kj::Path pwd;
kj::Own<const kj::Directory> cwd;
kj::TimerImpl timer;
Server server;
kj::Maybe<kj::Promise<void>> runTask;
kj::StringPtr expectedErrors;
kj::Date fakeDate;
private:
kj::UnwindDetector unwindDetector;
// ---------------------------------------------------------------------------
// implements Filesytem
const kj::Directory& getRoot() const override {
return *root;
}
const kj::Directory& getCurrent() const override {
return *cwd;
}
kj::PathPtr getCurrentPath() const override {
return pwd;
}
// ---------------------------------------------------------------------------
// implements Network
// Addresses that the server is listening on.
kj::HashMap<kj::String, kj::Own<kj::NetworkAddress>> sockets;
class MockNetwork;
struct SubrequestInfo {
kj::Own<kj::PromiseFulfiller<kj::Own<kj::AsyncIoStream>>> fulfiller;
kj::StringPtr peerFilter;
};
using SubrequestQueue = kj::ProducerConsumerQueue<SubrequestInfo>;
// Expected incoming connections and callbacks that should be used to handle them.
kj::HashMap<kj::String, kj::Own<SubrequestQueue>> subrequests;
SubrequestQueue& getSubrequestQueue(kj::StringPtr addr) {
return *subrequests.findOrCreate(addr, [&]() -> decltype(subrequests)::Entry {
return { kj::str(addr), kj::heap<SubrequestQueue>() };
});
}
static kj::String peerFilterToString(kj::ArrayPtr<const kj::StringPtr> allow,
kj::ArrayPtr<const kj::StringPtr> deny) {
if (allow == nullptr && deny == nullptr) {
return kj::str("(none)");
} else {
return kj::str(
"allow: [", kj::strArray(allow, ", "), "], "
"deny: [", kj::strArray(deny, ", "), "]");
}
}
class MockAddress final: public kj::NetworkAddress {
public:
MockAddress(TestServer& test, kj::StringPtr peerFilter, kj::String address)
: test(test), peerFilter(peerFilter), address(kj::mv(address)) {}
kj::Promise<kj::Own<kj::AsyncIoStream>> connect() override {
KJ_IF_SOME(addr, test.sockets.find(address)) {
// If someone is listening on this address, connect directly to them.
return addr->connect();
}
auto [promise, fulfiller] = kj::newPromiseAndFulfiller<kj::Own<kj::AsyncIoStream>>();
test.getSubrequestQueue(address).push({
kj::mv(fulfiller), peerFilter
});
return kj::mv(promise);
}
kj::Own<kj::ConnectionReceiver> listen() override {
auto pipe = kj::newCapabilityPipe();
auto receiver = kj::heap<kj::CapabilityStreamConnectionReceiver>(*pipe.ends[0])
.attach(kj::mv(pipe.ends[0]));
auto sender = kj::heap<kj::CapabilityStreamNetworkAddress>(kj::none, *pipe.ends[1])
.attach(kj::mv(pipe.ends[1]));
test.sockets.insert(kj::str(address), kj::mv(sender));
return receiver;
}
kj::Own<kj::NetworkAddress> clone() override {
KJ_UNIMPLEMENTED("unused");
}
kj::String toString() override {
KJ_UNIMPLEMENTED("unused");
}
private:
TestServer& test;
kj::StringPtr peerFilter;
kj::String address;
};
class MockNetwork final: public kj::Network {
public:
MockNetwork(TestServer& test,
kj::ArrayPtr<const kj::StringPtr> allow,
kj::ArrayPtr<const kj::StringPtr> deny)
: test(test),
filter(peerFilterToString(allow, deny)) {}
kj::Promise<kj::Own<kj::NetworkAddress>> parseAddress(
kj::StringPtr addr, uint portHint = 0) override {
return kj::Own<kj::NetworkAddress>(kj::heap<MockAddress>(test, filter, kj::str(addr)));
}
kj::Own<kj::NetworkAddress> getSockaddr(const void* sockaddr, uint len) override {
KJ_UNIMPLEMENTED("unused");
}
kj::Own<kj::Network> restrictPeers(
kj::ArrayPtr<const kj::StringPtr> allow,
kj::ArrayPtr<const kj::StringPtr> deny) override {
KJ_ASSERT(filter == "(none)", "can't nest restrictPeers()");
return kj::heap<MockNetwork>(test, allow, deny);
}
private:
TestServer& test;
kj::String filter;
};
MockNetwork mockNetwork;
// ---------------------------------------------------------------------------
// implements EntropySource
void generate(kj::ArrayPtr<kj::byte> buffer) override {
kj::byte random = 4; // chosen by fair die roll by Randall Munroe in 2007.
// guaranteed to be random.
memset(buffer.begin(), random, buffer.size());
}
// ---------------------------------------------------------------------------
// implements Clock
kj::Date now() const override {
return fakeDate;
}
};
// =======================================================================================
// Test Workers
kj::String singleWorker(kj::StringPtr def) {
return kj::str(R"((
services = [
( name = "hello",
worker = )"_kj, def, R"(
)
],
sockets = [
( name = "main",
address = "test-addr",
service = "hello"
)
]
))"_kj);
}
KJ_TEST("Server: serve basic Service Worker") {
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
serviceWorkerScript =
`addEventListener("fetch", event => {
` event.respondWith(new Response("Hello: " + event.request.url + "\n"));
`})
))"_kj));
test.start();
auto conn = test.connect("test-addr");
// Send a request, get a response.
conn.httpGet200("/", "Hello: http://foo/\n");
// Send another request on the same connection, different path and host.
conn.send(R"(
GET /baz/qux?corge=grault HTTP/1.1
Host: bar
)"_blockquote);
conn.recv(R"(
HTTP/1.1 200 OK
Content-Length: 39
Content-Type: text/plain;charset=UTF-8
Hello: http://bar/baz/qux?corge=grault
)"_blockquote);
// A request without `Host:` should 400.
conn.send(R"(
GET /baz/qux?corge=grault HTTP/1.1
)"_blockquote);
conn.recv(R"(
HTTP/1.1 400 Bad Request
Content-Length: 11
Bad Request)"_blockquote);
}
KJ_TEST("Server: use service name as Service Worker origin") {
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
serviceWorkerScript =
`addEventListener("fetch", event => {
` event.respondWith(new Response(new Error("Doh!").stack));
`})
))"_kj));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/", R"(
Error: Doh!
at hello:2:34)"_blockquote);
}
KJ_TEST("Server: serve basic modular Worker") {
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
modules = [
( name = "main.js",
esModule =
`export default {
` async fetch(request) {
` return new Response("Hello: " + request.url);
` }
`}
)
]
))"_kj));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/", "Hello: http://foo/");
}
KJ_TEST("Server: serve modular Worker with imports") {
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
modules = [
( name = "main.js",
esModule =
`import { MESSAGE as FOO } from "foo.js";
`import BAR from "bar.txt";
`import BAZ from "baz.bin";
`import QUX from "qux.json";
`import CORGE from "corge.js";
`import SQUARE_WASM from "square.wasm";
`const SQUARE = new WebAssembly.Instance(SQUARE_WASM, {});
`export default {
` async fetch(request) {
` return new Response([
` FOO, BAR, new TextDecoder().decode(BAZ), QUX.message, CORGE.message,
` "square.wasm says square(5) = " + SQUARE.exports.square(5)]
` .join("\n"));
` }
`}
),
( name = "foo.js",
esModule =
`export let MESSAGE = "Hello from foo.js"
),
( name = "bar.txt",
text = "Hello from bar.txt"
),
( name = "baz.bin",
data = "Hello from baz.bin"
),
( name = "qux.json",
json = `{"message": "Hello from qux.json"}
),
( name = "corge.js",
commonJsModule =
`module.exports.message = "Hello from corge.js";
),
( name = "square.wasm",
# Exports a function 'square(x)' that returns x^2.
wasm = 0x"00 61 73 6d 01 00 00 00 01 06 01 60 01 7f 01 7f
03 02 01 00 05 03 01 00 02 06 08 01 7f 01 41 80
88 04 0b 07 13 02 06 6d 65 6d 6f 72 79 02 00 06
73 71 75 61 72 65 00 00 0a 09 01 07 00 20 00 20
00 6c 0b"
)
]
))"_kj));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/",
"Hello from foo.js\n"
"Hello from bar.txt\n"
"Hello from baz.bin\n"
"Hello from qux.json\n"
"Hello from corge.js\n"
"square.wasm says square(5) = 25");
}
KJ_TEST("Server: compatibility dates") {
// The easiest flag to test is the presence of the global `navigator`.
auto selfNavigatorCheckerWorker = [](kj::StringPtr compatProperties) {
return singleWorker(kj::str(R"((
)", compatProperties, R"(,
modules = [
( name = "main.js",
esModule =
`export default {
` async fetch(request) {
` return new Response(!!self.navigator);
` }
`}
)
]
))"_kj));
};
{
TestServer test(selfNavigatorCheckerWorker("compatibilityDate = \"2022-08-17\""));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/", "true");
}
// In the past, the global wasn't there.
{
TestServer test(selfNavigatorCheckerWorker("compatibilityDate = \"2020-01-01\""));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/", "false");
}
// Disable using a flag instead of a date.
{
TestServer test(selfNavigatorCheckerWorker(
"compatibilityDate = \"2022-08-17\", compatibilityFlags = [\"no_global_navigator\"]"));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/", "false");
}
}
KJ_TEST("Server: compatibility dates are required") {
TestServer test(singleWorker(R"((
serviceWorkerScript =
`addEventListener("fetch", event => {
` event.respondWith(new Response("Hello: " + event.request.url + "\n"));
`})
))"_kj));
test.expectErrors(R"(
service hello: Worker must specify compatibilityDate.
)"_blockquote);
}
KJ_TEST("Server: value bindings") {
#if _WIN32
_putenv("TEST_ENVIRONMENT_VAR=Hello from environment variable");
#else
setenv("TEST_ENVIRONMENT_VAR", "Hello from environment variable", true);
#endif
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
# (Must use Service Worker syntax to allow Wasm bindings.)
serviceWorkerScript =
`const SQUARE = new WebAssembly.Instance(BAZ, {});
`async function handle(request) {
` let items = [];
` items.push(FOO);
` items.push(new TextDecoder().decode(BAR));
` items.push("wasm says square(5) = " + SQUARE.exports.square(5));
` items.push(QUX.message);
` items.push(CORGE);
` items.push("GRAULT is null? " + (GRAULT === null));
` return new Response(items.join("\n"));
`}
`addEventListener("fetch", event => {
` event.respondWith(handle(event.request));
`});
,
bindings = [
( name = "FOO", text = "Hello from text binding" ),
( name = "BAR", data = "Hello from data binding" ),
( name = "BAZ",
# Exports a function 'square(x)' that returns x^2.
wasmModule = 0x"00 61 73 6d 01 00 00 00 01 06 01 60 01 7f 01 7f
03 02 01 00 05 03 01 00 02 06 08 01 7f 01 41 80
88 04 0b 07 13 02 06 6d 65 6d 6f 72 79 02 00 06
73 71 75 61 72 65 00 00 0a 09 01 07 00 20 00 20
00 6c 0b"
),
( name = "QUX",
json = `{"message": "Hello from json binding"}
),
( name = "CORGE", fromEnvironment = "TEST_ENVIRONMENT_VAR" ),
( name = "GRAULT", fromEnvironment = "TEST_NONEXISTENT_ENVIRONMENT_VAR" ),
]
))"_kj));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/",
"Hello from text binding\n"
"Hello from data binding\n"
"wasm says square(5) = 25\n"
"Hello from json binding\n"
"Hello from environment variable\n"
"GRAULT is null? true");
}
KJ_TEST("Server: WebCrypto bindings") {
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
modules = [
( name = "main.js",
esModule =
`function hex(buffer) {
` return [...new Uint8Array(buffer)]
` .map(x => x.toString(16).padStart(2, '0'))
` .join('');
`}
`
`export default {
` async fetch(request, env) {
` let items = [];
`
` let plaintext = new TextEncoder().encode("hello");
` let sig = await crypto.subtle.sign({"name": "HMAC", "hash": "SHA-256"},
` env.hmac, plaintext);
` items.push("hmac signature is " + hex(sig));
` let ver1 = await crypto.subtle.verify({"name": "HMAC", "hash": "SHA-256"},
` env.hmac, sig, plaintext);
` let ver2 = await crypto.subtle.verify({"name": "HMAC", "hash": "SHA-256"},
` env.hmac, sig, new Uint8Array([12, 34]));
` items.push("hmac verifications: " + ver1 + ", " + ver2);
` items.push("hmac extractable? " + env.hmac.extractable);
`
` let hexSig = await crypto.subtle.sign({"name": "HMAC", "hash": "SHA-256"},
` env.hmacHex, plaintext);
` let b64Sig = await crypto.subtle.sign({"name": "HMAC", "hash": "SHA-256"},
` env.hmacBase64, plaintext);
` let jwkSig = await crypto.subtle.sign({"name": "HMAC", "hash": "SHA-256"},
` env.hmacJwk, plaintext);
` items.push("hmac signature (hex key) is " + hex(hexSig));
` items.push("hmac signature (base64 key) is " + hex(b64Sig));
` items.push("hmac signature (jwk key) is " + hex(jwkSig));
`
` try {
` await crypto.subtle.verify({"name": "HMAC", "hash": "SHA-256"},
` env.hmacHex, sig, plaintext);
` items.push("verification with hmacHex was allowed");
` } catch (err) {
` items.push("verification with hmacHex was not allowed: " + err.message);
` }
`
` let ecsig = await crypto.subtle.sign(
` {"name": "ECDSA", "namedCurve": "P-256", "hash": "SHA-256"},
` env.ecPriv, plaintext);
` let ecver = await crypto.subtle.verify(
` {"name": "ECDSA", "namedCurve": "P-256", "hash": "SHA-256"},
` env.ecPub, ecsig, plaintext);
` items.push("ec verification: " + ecver);
` items.push("ec extractable? " + env.ecPriv.extractable +
` ", " + env.ecPub.extractable);
`
` return new Response(items.join("\n"));
` }
`}
)
],
bindings = [
( name = "hmac",
cryptoKey = (
raw = "testkey",
algorithm = (
json = `{"name": "HMAC", "hash": "SHA-256"}
),
usages = [ sign, verify ]
)
),
( name = "hmacHex",
cryptoKey = (
hex = "746573746b6579",
algorithm = (
json = `{"name": "HMAC", "hash": "SHA-256"}
),
usages = [ sign ]
)
),
( name = "hmacBase64",
cryptoKey = (
base64 = "dGVzdGtleQ==",
algorithm = (
json = `{"name": "HMAC", "hash": "SHA-256"}
),
usages = [ sign ]
)
),
( name = "hmacJwk",
cryptoKey = (
jwk = `{"alg":"HS256","k":"dGVzdGtleQ","kty":"oct"}
,
algorithm = (
json = `{"name": "HMAC", "hash": "SHA-256"}
),
usages = [ sign ]
)
),
( name = "ecPriv",
cryptoKey = (
pkcs8 =
`-----BEGIN PRIVATE KEY-----
`MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgXB5SjGILYt4DxPho
`VUX/lMnLzpJD5R6Jl0bLCuRj8V2hRANCAAQ6pM4KrujAsw2xz0qA6l4DF/waMYVP
`QNOAakb+S9GwkOgrTbw6AYoawTaW68Vbwadfe2S02ya6yEKGyE3N56by
`-----END PRIVATE KEY-----
,
algorithm = (
json = `{"name": "ECDSA", "namedCurve": "P-256"}
),
usages = [ sign ]
)
),
( name = "ecPub",
cryptoKey = (
spki =
`-----BEGIN PUBLIC KEY-----
`MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEOqTOCq7owLMNsc9KgOpeAxf8GjGF
`T0DTgGpG/kvRsJDoK028OgGKGsE2luvFW8GnX3tktNsmushChshNzeem8g==
`-----END PUBLIC KEY-----
,
algorithm = (
json = `{"name": "ECDSA", "namedCurve": "P-256"}
),
usages = [ verify ],
extractable = true
)
)
]
))"_kj));
test.start();
auto conn = test.connect("test-addr");
conn.httpGet200("/",
"hmac signature is 4a27693183b28d2616209d6ff5e77646af5fc06ea6affac37415995b07be2ddf\n"
"hmac verifications: true, false\n"
"hmac extractable? false\n"
"hmac signature (hex key) is "
"4a27693183b28d2616209d6ff5e77646af5fc06ea6affac37415995b07be2ddf\n"
"hmac signature (base64 key) is "
"4a27693183b28d2616209d6ff5e77646af5fc06ea6affac37415995b07be2ddf\n"
"hmac signature (jwk key) is "
"4a27693183b28d2616209d6ff5e77646af5fc06ea6affac37415995b07be2ddf\n"
"verification with hmacHex was not allowed: "
"Requested key usage \"verify\" does not match any usage listed in this CryptoKey.\n"
"ec verification: true\n"
"ec extractable? false, true");
}
KJ_TEST("Server: subrequest to default outbound") {
TestServer test(singleWorker(R"((
compatibilityDate = "2022-08-17",
modules = [
( name = "main.js",
esModule =
`export default {
` async fetch(request, env) {
` let resp = await fetch("http://subhost/foo");
` let txt = await resp.text();
` return new Response(
` "sub X-Foo header: " + resp.headers.get("X-Foo") + "\n" +
` "sub body: " + txt);
` }
`}
)
]
))"_kj));
test.start();
auto conn = test.connect("test-addr");
conn.sendHttpGet("/");
auto subreq = test.receiveInternetSubrequest("subhost");
subreq.recv(R"(
GET /foo HTTP/1.1
Host: subhost
)"_blockquote);
subreq.send(R"(