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integration_test.cc
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#include "test/integration/integration_test.h"
#include <string>
#include "envoy/config/bootstrap/v3/bootstrap.pb.h"
#include "envoy/config/route/v3/route_components.pb.h"
#include "envoy/extensions/filters/network/http_connection_manager/v3/http_connection_manager.pb.h"
#include "common/http/header_map_impl.h"
#include "common/http/headers.h"
#include "common/network/utility.h"
#include "common/protobuf/utility.h"
#include "test/integration/autonomous_upstream.h"
#include "test/integration/filters/process_context_filter.h"
#include "test/integration/utility.h"
#include "test/mocks/http/mocks.h"
#include "test/test_common/network_utility.h"
#include "test/test_common/printers.h"
#include "test/test_common/utility.h"
#include "gtest/gtest.h"
using Envoy::Http::Headers;
using Envoy::Http::HeaderValueOf;
using Envoy::Http::HttpStatusIs;
using testing::EndsWith;
using testing::HasSubstr;
using testing::Not;
namespace Envoy {
namespace {
std::string normalizeDate(const std::string& s) {
const std::regex date_regex("date:[^\r]+");
return std::regex_replace(s, date_regex, "date: Mon, 01 Jan 2017 00:00:00 GMT");
}
void setDisallowAbsoluteUrl(
envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager& hcm) {
hcm.mutable_http_protocol_options()->mutable_allow_absolute_url()->set_value(false);
};
void setAllowHttp10WithDefaultHost(
envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager& hcm) {
hcm.mutable_http_protocol_options()->set_accept_http_10(true);
hcm.mutable_http_protocol_options()->set_default_host_for_http_10("default.com");
}
} // namespace
INSTANTIATE_TEST_SUITE_P(IpVersions, IntegrationTest,
testing::ValuesIn(TestEnvironment::getIpVersionsForTest()),
TestUtility::ipTestParamsToString);
// Make sure we have correctly specified per-worker performance stats.
TEST_P(IntegrationTest, PerWorkerStatsAndBalancing) {
concurrency_ = 2;
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) -> void {
auto* listener = bootstrap.mutable_static_resources()->mutable_listeners(0);
listener->mutable_connection_balance_config()->mutable_exact_balance();
});
initialize();
// Per-worker listener stats.
auto check_listener_stats = [this](uint64_t cx_active, uint64_t cx_total) {
if (GetParam() == Network::Address::IpVersion::v4) {
test_server_->waitForGaugeEq("listener.127.0.0.1_0.worker_0.downstream_cx_active", cx_active);
test_server_->waitForGaugeEq("listener.127.0.0.1_0.worker_1.downstream_cx_active", cx_active);
test_server_->waitForCounterEq("listener.127.0.0.1_0.worker_0.downstream_cx_total", cx_total);
test_server_->waitForCounterEq("listener.127.0.0.1_0.worker_1.downstream_cx_total", cx_total);
} else {
test_server_->waitForGaugeEq("listener.[__1]_0.worker_0.downstream_cx_active", cx_active);
test_server_->waitForGaugeEq("listener.[__1]_0.worker_1.downstream_cx_active", cx_active);
test_server_->waitForCounterEq("listener.[__1]_0.worker_0.downstream_cx_total", cx_total);
test_server_->waitForCounterEq("listener.[__1]_0.worker_1.downstream_cx_total", cx_total);
}
};
check_listener_stats(0, 0);
// Main thread admin listener stats.
EXPECT_NE(nullptr, test_server_->counter("listener.admin.main_thread.downstream_cx_total"));
// Per-thread watchdog stats.
EXPECT_NE(nullptr, test_server_->counter("server.main_thread.watchdog_miss"));
EXPECT_NE(nullptr, test_server_->counter("server.worker_0.watchdog_miss"));
EXPECT_NE(nullptr, test_server_->counter("server.worker_1.watchdog_miss"));
codec_client_ = makeHttpConnection(lookupPort("http"));
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
check_listener_stats(1, 1);
codec_client_->close();
codec_client2->close();
check_listener_stats(0, 1);
}
// Validates that the drain actually drains the listeners.
TEST_P(IntegrationTest, AdminDrainDrainsListeners) {
initialize();
uint32_t http_port = lookupPort("http");
codec_client_ = makeHttpConnection(http_port);
Http::TestRequestHeaderMapImpl request_headers{{":method", "HEAD"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"}};
IntegrationStreamDecoderPtr response = codec_client_->makeHeaderOnlyRequest(request_headers);
waitForNextUpstreamRequest(0);
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
upstream_request_->encodeHeaders(default_response_headers_, false);
// Invoke drain listeners endpoint and validate that we can still work on inflight requests.
BufferingStreamDecoderPtr admin_response = IntegrationUtil::makeSingleRequest(
lookupPort("admin"), "POST", "/drain_listeners", "", downstreamProtocol(), version_);
EXPECT_TRUE(admin_response->complete());
EXPECT_EQ("200", admin_response->headers().Status()->value().getStringView());
EXPECT_EQ("OK\n", admin_response->body());
upstream_request_->encodeData(512, true);
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
// Wait for the response to be read by the codec client.
response->waitForEndStream();
ASSERT_TRUE(response->complete());
EXPECT_THAT(response->headers(), Http::HttpStatusIs("200"));
// Validate that the listeners have been stopped.
test_server_->waitForCounterEq("listener_manager.listener_stopped", 1);
// Validate that port is closed and can be bound by other sockets.
EXPECT_NO_THROW(Network::TcpListenSocket(
Network::Utility::getAddressWithPort(*Network::Test::getCanonicalLoopbackAddress(GetParam()),
http_port),
nullptr, true));
}
TEST_P(IntegrationTest, RouterDirectResponse) {
const std::string body = "Response body";
const std::string file_path = TestEnvironment::writeStringToFileForTest("test_envoy", body);
static const std::string domain("direct.example.com");
static const std::string prefix("/");
static const Http::Code status(Http::Code::OK);
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
auto* route_config = hcm.mutable_route_config();
auto* header_value_option = route_config->mutable_response_headers_to_add()->Add();
header_value_option->mutable_header()->set_key("x-additional-header");
header_value_option->mutable_header()->set_value("example-value");
header_value_option->mutable_append()->set_value(false);
header_value_option = route_config->mutable_response_headers_to_add()->Add();
header_value_option->mutable_header()->set_key("content-type");
header_value_option->mutable_header()->set_value("text/html");
header_value_option->mutable_append()->set_value(false);
auto* virtual_host = route_config->add_virtual_hosts();
virtual_host->set_name(domain);
virtual_host->add_domains(domain);
virtual_host->add_routes()->mutable_match()->set_prefix(prefix);
virtual_host->mutable_routes(0)->mutable_direct_response()->set_status(
static_cast<uint32_t>(status));
virtual_host->mutable_routes(0)->mutable_direct_response()->mutable_body()->set_filename(
file_path);
});
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/", "", downstream_protocol_, version_, "direct.example.com");
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ("example-value", response->headers()
.get(Envoy::Http::LowerCaseString("x-additional-header"))
->value()
.getStringView());
EXPECT_EQ("text/html", response->headers().ContentType()->value().getStringView());
EXPECT_EQ(body, response->body());
}
TEST_P(IntegrationTest, ConnectionClose) {
config_helper_.addFilter(ConfigHelper::DEFAULT_HEALTH_CHECK_FILTER);
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeHeaderOnlyRequest(Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/healthcheck"},
{":authority", "host"},
{"connection", "close"}});
response->waitForEndStream();
codec_client_->waitForDisconnect();
EXPECT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("200"));
}
TEST_P(IntegrationTest, RouterRequestAndResponseWithBodyNoBuffer) {
testRouterRequestAndResponseWithBody(1024, 512, false);
}
TEST_P(IntegrationTest, FlowControlOnAndGiantBody) {
config_helper_.setBufferLimits(1024, 1024);
testRouterRequestAndResponseWithBody(1024 * 1024, 1024 * 1024, false);
}
TEST_P(IntegrationTest, RouterRequestAndResponseLargeHeaderNoBuffer) {
testRouterRequestAndResponseWithBody(1024, 512, true);
}
TEST_P(IntegrationTest, RouterHeaderOnlyRequestAndResponseNoBuffer) {
testRouterHeaderOnlyRequestAndResponse();
}
TEST_P(IntegrationTest, RouterUpstreamDisconnectBeforeRequestcomplete) {
testRouterUpstreamDisconnectBeforeRequestComplete();
}
TEST_P(IntegrationTest, RouterUpstreamDisconnectBeforeResponseComplete) {
testRouterUpstreamDisconnectBeforeResponseComplete();
}
// Regression test for https://github.com/envoyproxy/envoy/issues/9508
TEST_P(IntegrationTest, ResponseFramedByConnectionCloseWithReadLimits) {
// Set a small buffer limit on the downstream in order to trigger a call to trigger readDisable on
// the upstream when proxying the response. Upstream limit needs to be larger so that
// RawBufferSocket::doRead reads the response body and detects the upstream close in the same call
// stack.
config_helper_.setBufferLimits(100000, 1);
initialize();
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
// Disable chunk encoding to trigger framing by connection close.
// TODO: This request should be propagated to codecs via API, instead of using a pseudo-header.
// See: https://github.com/envoyproxy/envoy/issues/9749
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "200"}, {":no-chunks", "1"}}, false);
upstream_request_->encodeData(512, true);
ASSERT_TRUE(fake_upstream_connection_->close());
response->waitForEndStream();
EXPECT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("200"));
EXPECT_EQ(512, response->body().size());
}
TEST_P(IntegrationTest, RouterDownstreamDisconnectBeforeRequestComplete) {
testRouterDownstreamDisconnectBeforeRequestComplete();
}
TEST_P(IntegrationTest, RouterDownstreamDisconnectBeforeResponseComplete) {
testRouterDownstreamDisconnectBeforeResponseComplete();
}
TEST_P(IntegrationTest, RouterUpstreamResponseBeforeRequestComplete) {
testRouterUpstreamResponseBeforeRequestComplete();
}
TEST_P(IntegrationTest, EnvoyProxyingEarly100ContinueWithEncoderFilter) {
testEnvoyProxying100Continue(true, true);
}
TEST_P(IntegrationTest, EnvoyProxyingLate100ContinueWithEncoderFilter) {
testEnvoyProxying100Continue(false, true);
}
// This is a regression for https://github.com/envoyproxy/envoy/issues/2715 and validates that a
// pending request is not sent on a connection that has been half-closed.
TEST_P(IntegrationTest, UpstreamDisconnectWithTwoRequests) {
config_helper_.addConfigModifier([](envoy::config::bootstrap::v3::Bootstrap& bootstrap) {
auto* static_resources = bootstrap.mutable_static_resources();
auto* cluster = static_resources->mutable_clusters(0);
// Ensure we only have one connection upstream, one request active at a time.
cluster->mutable_max_requests_per_connection()->set_value(1);
auto* circuit_breakers = cluster->mutable_circuit_breakers();
circuit_breakers->add_thresholds()->mutable_max_connections()->set_value(1);
});
initialize();
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
codec_client_ = makeHttpConnection(lookupPort("http"));
// Request 1.
auto response = codec_client_->makeRequestWithBody(default_request_headers_, 1024);
waitForNextUpstreamRequest();
// Request 2.
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
auto response2 = codec_client2->makeRequestWithBody(default_request_headers_, 512);
// Validate one request active, the other pending.
test_server_->waitForGaugeEq("cluster.cluster_0.upstream_rq_active", 1);
test_server_->waitForGaugeEq("cluster.cluster_0.upstream_rq_pending_active", 1);
// Response 1.
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
ASSERT_TRUE(fake_upstream_connection_->close());
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_total", 1);
test_server_->waitForCounterGe("cluster.cluster_0.upstream_rq_200", 1);
// Response 2.
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
fake_upstream_connection_.reset();
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(1024, true);
response2->waitForEndStream();
codec_client2->close();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(response2->complete());
EXPECT_EQ("200", response2->headers().Status()->value().getStringView());
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_total", 2);
test_server_->waitForCounterGe("cluster.cluster_0.upstream_rq_200", 2);
}
// Test hitting the bridge filter with too many response bytes to buffer. Given
// the headers are not proxied, the connection manager will send a local error reply.
TEST_P(IntegrationTest, HittingGrpcFilterLimitBufferingHeaders) {
config_helper_.addFilter(
"{ name: grpc_http1_bridge, typed_config: { \"@type\": "
"type.googleapis.com/envoy.config.filter.http.grpc_http1_bridge.v2.Config } }");
config_helper_.setBufferLimits(1024, 1024);
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{"content-type", "application/grpc"},
{"x-envoy-retry-grpc-on", "cancelled"}});
waitForNextUpstreamRequest();
// Send the overly large response. Because the grpc_http1_bridge filter buffers and buffer
// limits are exceeded, this will be translated into an unknown gRPC error.
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, false);
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
upstream_request_->encodeData(1024 * 65, false);
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
response->waitForEndStream();
EXPECT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("200"));
EXPECT_THAT(response->headers(),
HeaderValueOf(Headers::get().GrpcStatus, "2")); // Unknown gRPC error
}
TEST_P(IntegrationTest, TestSmuggling) {
initialize();
const std::string smuggled_request = "GET / HTTP/1.1\r\nHost: disallowed\r\n\r\n";
ASSERT_EQ(smuggled_request.length(), 36);
// Make sure the http parser rejects having content-length and transfer-encoding: chunked
// on the same request, regardless of order and spacing.
{
std::string response;
const std::string full_request =
"GET / HTTP/1.1\r\nHost: host\r\ncontent-length: 36\r\ntransfer-encoding: chunked\r\n\r\n" +
smuggled_request;
sendRawHttpAndWaitForResponse(lookupPort("http"), full_request.c_str(), &response, false);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n",
response);
}
{
std::string response;
const std::string request = "GET / HTTP/1.1\r\nHost: host\r\ntransfer-encoding: chunked "
"\r\ncontent-length: 36\r\n\r\n" +
smuggled_request;
sendRawHttpAndWaitForResponse(lookupPort("http"), request.c_str(), &response, false);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n",
response);
}
// Make sure unsupported transfer encodings are rejected, lest they be abused.
{
std::string response;
const std::string request = "GET / HTTP/1.1\r\nHost: host\r\ntransfer-encoding: "
"identity,chunked \r\ncontent-length: 36\r\n\r\n" +
smuggled_request;
sendRawHttpAndWaitForResponse(lookupPort("http"), request.c_str(), &response, false);
EXPECT_EQ("HTTP/1.1 501 Not Implemented\r\ncontent-length: 0\r\nconnection: close\r\n\r\n",
response);
}
}
TEST_P(IntegrationTest, BadFirstline) {
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "hello", &response);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
}
TEST_P(IntegrationTest, MissingDelimiter) {
useAccessLog("%RESPONSE_CODE_DETAILS%");
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET / HTTP/1.1\r\nHost: host\r\nfoo bar\r\n\r\n", &response);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
EXPECT_THAT(waitForAccessLog(access_log_name_), HasSubstr("http1.codec_error"));
}
TEST_P(IntegrationTest, InvalidCharacterInFirstline) {
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "GE(T / HTTP/1.1\r\nHost: host\r\n\r\n",
&response);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
}
TEST_P(IntegrationTest, InvalidVersion) {
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "GET / HTTP/1.01\r\nHost: host\r\n\r\n",
&response);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
}
// Expect that malformed trailers to break the connection
TEST_P(IntegrationTest, BadTrailer) {
initialize();
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"POST / HTTP/1.1\r\n"
"Host: host\r\n"
"Transfer-Encoding: chunked\r\n\r\n"
"4\r\n"
"body\r\n0\r\n"
"badtrailer\r\n\r\n",
&response);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
}
// Expect malformed headers to break the connection
TEST_P(IntegrationTest, BadHeader) {
initialize();
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"POST / HTTP/1.1\r\n"
"Host: host\r\n"
"badHeader\r\n"
"Transfer-Encoding: chunked\r\n\r\n"
"4\r\n"
"body\r\n0\r\n\r\n",
&response);
EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
}
TEST_P(IntegrationTest, Http10Disabled) {
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "GET / HTTP/1.0\r\n\r\n", &response, true);
EXPECT_TRUE(response.find("HTTP/1.1 426 Upgrade Required\r\n") == 0);
}
TEST_P(IntegrationTest, Http10DisabledWithUpgrade) {
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "GET / HTTP/1.0\r\nUpgrade: h2c\r\n\r\n",
&response, true);
EXPECT_TRUE(response.find("HTTP/1.1 426 Upgrade Required\r\n") == 0);
}
// Turn HTTP/1.0 support on and verify 09 style requests work.
TEST_P(IntegrationTest, Http09Enabled) {
useAccessLog();
autonomous_upstream_ = true;
config_helper_.addConfigModifier(&setAllowHttp10WithDefaultHost);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "GET /\r\n\r\n", &response, false);
EXPECT_THAT(response, HasSubstr("HTTP/1.0 200 OK\r\n"));
EXPECT_THAT(response, HasSubstr("connection: close"));
EXPECT_THAT(response, Not(HasSubstr("transfer-encoding: chunked\r\n")));
std::unique_ptr<Http::TestRequestHeaderMapImpl> upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_.front().get())->lastRequestHeaders();
ASSERT_TRUE(upstream_headers != nullptr);
EXPECT_EQ(upstream_headers->Host()->value(), "default.com");
EXPECT_THAT(waitForAccessLog(access_log_name_), HasSubstr("HTTP/1.0"));
}
// Turn HTTP/1.0 support on and verify the request is proxied and the default host is sent upstream.
TEST_P(IntegrationTest, Http10Enabled) {
autonomous_upstream_ = true;
config_helper_.addConfigModifier(&setAllowHttp10WithDefaultHost);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"), "GET / HTTP/1.0\r\n\r\n", &response, false);
EXPECT_THAT(response, HasSubstr("HTTP/1.0 200 OK\r\n"));
EXPECT_THAT(response, HasSubstr("connection: close"));
EXPECT_THAT(response, Not(HasSubstr("transfer-encoding: chunked\r\n")));
std::unique_ptr<Http::TestRequestHeaderMapImpl> upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_.front().get())->lastRequestHeaders();
ASSERT_TRUE(upstream_headers != nullptr);
EXPECT_EQ(upstream_headers->Host()->value(), "default.com");
sendRawHttpAndWaitForResponse(lookupPort("http"), "HEAD / HTTP/1.0\r\n\r\n", &response, false);
EXPECT_THAT(response, HasSubstr("HTTP/1.0 200 OK\r\n"));
EXPECT_THAT(response, HasSubstr("connection: close"));
EXPECT_THAT(response, Not(HasSubstr("transfer-encoding: chunked\r\n")));
}
TEST_P(IntegrationTest, TestInlineHeaders) {
autonomous_upstream_ = true;
config_helper_.addConfigModifier(&setAllowHttp10WithDefaultHost);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET / HTTP/1.1\r\n"
"Host: foo.com\r\n"
"Foo: bar\r\n"
"Cache-control: public\r\n"
"Cache-control: 123\r\n"
"Eep: baz\r\n\r\n",
&response, true);
EXPECT_THAT(response, HasSubstr("HTTP/1.1 200 OK\r\n"));
std::unique_ptr<Http::TestRequestHeaderMapImpl> upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_.front().get())->lastRequestHeaders();
ASSERT_TRUE(upstream_headers != nullptr);
EXPECT_EQ(upstream_headers->Host()->value(), "foo.com");
EXPECT_EQ(upstream_headers->CacheControl()->value(), "public,123");
ASSERT_TRUE(upstream_headers->get(Envoy::Http::LowerCaseString("foo")) != nullptr);
EXPECT_EQ("bar",
upstream_headers->get(Envoy::Http::LowerCaseString("foo"))->value().getStringView());
ASSERT_TRUE(upstream_headers->get(Envoy::Http::LowerCaseString("eep")) != nullptr);
EXPECT_EQ("baz",
upstream_headers->get(Envoy::Http::LowerCaseString("eep"))->value().getStringView());
}
// Verify for HTTP/1.0 a keep-alive header results in no connection: close.
// Also verify existing host headers are passed through for the HTTP/1.0 case.
// This also regression tests proper handling of trailing whitespace after key
// values, specifically the host header.
TEST_P(IntegrationTest, Http10WithHostandKeepAliveAndLwsNoContentLength) {
autonomous_upstream_ = true;
config_helper_.addConfigModifier(&setAllowHttp10WithDefaultHost);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET / HTTP/1.0\r\nHost: foo.com \r\nConnection:Keep-alive\r\n\r\n",
&response, true);
EXPECT_THAT(response, HasSubstr("HTTP/1.0 200 OK\r\n"));
EXPECT_THAT(response, HasSubstr("connection: close"));
EXPECT_THAT(response, Not(HasSubstr("connection: keep-alive")));
EXPECT_THAT(response, Not(HasSubstr("content-length:")));
EXPECT_THAT(response, Not(HasSubstr("transfer-encoding: chunked\r\n")));
std::unique_ptr<Http::TestRequestHeaderMapImpl> upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_.front().get())->lastRequestHeaders();
ASSERT_TRUE(upstream_headers != nullptr);
EXPECT_EQ(upstream_headers->Host()->value(), "foo.com");
}
TEST_P(IntegrationTest, Http10WithHostandKeepAliveAndContentLengthAndLws) {
autonomous_upstream_ = true;
config_helper_.addConfigModifier(&setAllowHttp10WithDefaultHost);
initialize();
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_.front().get())
->setResponseHeaders(std::make_unique<Http::TestResponseHeaderMapImpl>(
Http::TestHeaderMapImpl({{":status", "200"}, {"content-length", "10"}})));
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET / HTTP/1.0\r\nHost: foo.com \r\nConnection:Keep-alive\r\n\r\n",
&response, true);
EXPECT_THAT(response, HasSubstr("HTTP/1.0 200 OK\r\n"));
EXPECT_THAT(response, Not(HasSubstr("connection: close")));
EXPECT_THAT(response, HasSubstr("connection: keep-alive"));
EXPECT_THAT(response, HasSubstr("content-length:"));
EXPECT_THAT(response, Not(HasSubstr("transfer-encoding: chunked\r\n")));
}
TEST_P(IntegrationTest, Pipeline) {
autonomous_upstream_ = true;
initialize();
std::string response;
Buffer::OwnedImpl buffer("GET / HTTP/1.1\r\nHost: host\r\n\r\nGET / HTTP/1.1\r\n\r\n");
RawConnectionDriver connection(
lookupPort("http"), buffer,
[&](Network::ClientConnection&, const Buffer::Instance& data) -> void {
response.append(data.toString());
},
version_);
// First response should be success.
while (response.find("200") == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
EXPECT_THAT(response, HasSubstr("HTTP/1.1 200 OK\r\n"));
// Second response should be 400 (no host)
while (response.find("400") == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
EXPECT_THAT(response, HasSubstr("HTTP/1.1 400 Bad Request\r\n"));
connection.close();
}
// Checks to ensure that we reject the third request that is pipelined in the
// same request
TEST_P(IntegrationTest, PipelineWithTrailers) {
config_helper_.addConfigModifier(setEnableDownstreamTrailersHttp1());
config_helper_.addConfigModifier(setEnableUpstreamTrailersHttp1());
autonomous_upstream_ = true;
autonomous_allow_incomplete_streams_ = true;
initialize();
std::string response;
std::string good_request("POST / HTTP/1.1\r\n"
"Host: host\r\n"
"Transfer-Encoding: chunked\r\n\r\n"
"4\r\n"
"body\r\n0\r\n"
"trailer1:t2\r\n"
"trailer2:t3\r\n"
"\r\n");
std::string bad_request("POST / HTTP/1.1\r\n"
"Host: host\r\n"
"Transfer-Encoding: chunked\r\n\r\n"
"4\r\n"
"body\r\n0\r\n"
"trailer1\r\n"
"trailer2:t3\r\n"
"\r\n");
Buffer::OwnedImpl buffer(absl::StrCat(good_request, good_request, bad_request));
RawConnectionDriver connection(
lookupPort("http"), buffer,
[&](Network::ClientConnection&, const Buffer::Instance& data) -> void {
response.append(data.toString());
},
version_);
// First response should be success.
size_t pos;
while ((pos = response.find("200")) == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
EXPECT_THAT(response, HasSubstr("HTTP/1.1 200 OK\r\n"));
while (response.find("200", pos + 1) == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
while (response.find("400") == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
EXPECT_THAT(response, HasSubstr("HTTP/1.1 400 Bad Request\r\n"));
connection.close();
}
// Add a pipeline test where complete request headers in the first request merit
// an inline sendLocalReply to make sure the "kick" works under the call stack
// of dispatch as well as when a response is proxied from upstream.
TEST_P(IntegrationTest, PipelineInline) {
autonomous_upstream_ = true;
initialize();
std::string response;
Buffer::OwnedImpl buffer("GET / HTTP/1.1\r\n\r\nGET / HTTP/1.0\r\n\r\n");
RawConnectionDriver connection(
lookupPort("http"), buffer,
[&](Network::ClientConnection&, const Buffer::Instance& data) -> void {
response.append(data.toString());
},
version_);
while (response.find("400") == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
EXPECT_THAT(response, HasSubstr("HTTP/1.1 400 Bad Request\r\n"));
while (response.find("426") == std::string::npos) {
connection.run(Event::Dispatcher::RunType::NonBlock);
}
EXPECT_THAT(response, HasSubstr("HTTP/1.1 426 Upgrade Required\r\n"));
connection.close();
}
TEST_P(IntegrationTest, NoHost) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
Http::TestRequestHeaderMapImpl request_headers{
{":method", "GET"}, {":path", "/test/long/url"}, {":scheme", "http"}};
auto response = codec_client_->makeHeaderOnlyRequest(request_headers);
response->waitForEndStream();
ASSERT_TRUE(response->complete());
EXPECT_EQ("400", response->headers().Status()->value().getStringView());
}
TEST_P(IntegrationTest, BadPath) {
config_helper_.addConfigModifier(&setDisallowAbsoluteUrl);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET http://api.lyft.com HTTP/1.1\r\nHost: host\r\n\r\n", &response,
true);
EXPECT_TRUE(response.find("HTTP/1.1 404 Not Found\r\n") == 0);
}
TEST_P(IntegrationTest, AbsolutePath) {
// Configure www.redirect.com to send a redirect, and ensure the redirect is
// encountered via absolute URL.
auto host = config_helper_.createVirtualHost("www.redirect.com", "/");
host.set_require_tls(envoy::config::route::v3::VirtualHost::ALL);
config_helper_.addVirtualHost(host);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET http://www.redirect.com HTTP/1.1\r\nHost: host\r\n\r\n",
&response, true);
EXPECT_FALSE(response.find("HTTP/1.1 404 Not Found\r\n") == 0);
}
TEST_P(IntegrationTest, AbsolutePathWithPort) {
// Configure www.namewithport.com:1234 to send a redirect, and ensure the redirect is
// encountered via absolute URL with a port.
auto host = config_helper_.createVirtualHost("www.namewithport.com:1234", "/");
host.set_require_tls(envoy::config::route::v3::VirtualHost::ALL);
config_helper_.addVirtualHost(host);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(
lookupPort("http"), "GET http://www.namewithport.com:1234 HTTP/1.1\r\nHost: host\r\n\r\n",
&response, true);
EXPECT_FALSE(response.find("HTTP/1.1 404 Not Found\r\n") == 0);
}
TEST_P(IntegrationTest, AbsolutePathWithoutPort) {
// Add a restrictive default match, to avoid the request hitting the * / catchall.
config_helper_.setDefaultHostAndRoute("foo.com", "/found");
// Set a matcher for www.namewithport.com:1234 and verify http://www.namewithport.com does not
// match
auto host = config_helper_.createVirtualHost("www.namewithport.com:1234", "/");
host.set_require_tls(envoy::config::route::v3::VirtualHost::ALL);
config_helper_.addVirtualHost(host);
initialize();
std::string response;
sendRawHttpAndWaitForResponse(lookupPort("http"),
"GET http://www.namewithport.com HTTP/1.1\r\nHost: host\r\n\r\n",
&response, true);
EXPECT_TRUE(response.find("HTTP/1.1 404 Not Found\r\n") == 0) << response;
}
// Ensure that connect behaves the same with allow_absolute_url enabled and without
TEST_P(IntegrationTest, Connect) {
const std::string& request = "CONNECT www.somewhere.com:80 HTTP/1.1\r\nHost: host\r\n\r\n";
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) -> void {
// Clone the whole listener.
auto static_resources = bootstrap.mutable_static_resources();
auto* old_listener = static_resources->mutable_listeners(0);
auto* cloned_listener = static_resources->add_listeners();
cloned_listener->CopyFrom(*old_listener);
old_listener->set_name("http_forward");
});
// Set the first listener to disallow absolute URLs.
config_helper_.addConfigModifier(&setDisallowAbsoluteUrl);
initialize();
std::string response1;
sendRawHttpAndWaitForResponse(lookupPort("http"), request.c_str(), &response1, true);
std::string response2;
sendRawHttpAndWaitForResponse(lookupPort("http_forward"), request.c_str(), &response2, true);
EXPECT_EQ(normalizeDate(response1), normalizeDate(response2));
}
TEST_P(IntegrationTest, UpstreamProtocolError) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder = codec_client_->startRequest(Http::TestRequestHeaderMapImpl{
{":method", "GET"}, {":path", "/test/long/url"}, {":authority", "host"}});
auto response = std::move(encoder_decoder.second);
FakeRawConnectionPtr fake_upstream_connection;
ASSERT_TRUE(fake_upstreams_[0]->waitForRawConnection(fake_upstream_connection));
// TODO(mattklein123): Waiting for exact amount of data is a hack. This needs to
// be fixed.
std::string data;
ASSERT_TRUE(fake_upstream_connection->waitForData(187, &data));
ASSERT_TRUE(fake_upstream_connection->write("bad protocol data!"));
ASSERT_TRUE(fake_upstream_connection->waitForDisconnect());
codec_client_->waitForDisconnect();
EXPECT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().Status()->value().getStringView());
}
TEST_P(IntegrationTest, TestHead) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
Http::TestHeaderMapImpl head_request{{":method", "HEAD"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"}};
// Without an explicit content length, assume we chunk for HTTP/1.1
auto response = sendRequestAndWaitForResponse(head_request, 0, default_response_headers_, 0);
ASSERT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("200"));
EXPECT_EQ(response->headers().ContentLength(), nullptr);
EXPECT_THAT(response->headers(),
HeaderValueOf(Headers::get().TransferEncoding,
Http::Headers::get().TransferEncodingValues.Chunked));
EXPECT_EQ(0, response->body().size());
// Preserve explicit content length.
Http::TestHeaderMapImpl content_length_response{{":status", "200"}, {"content-length", "12"}};
response = sendRequestAndWaitForResponse(head_request, 0, content_length_response, 0);
ASSERT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("200"));
EXPECT_THAT(response->headers(), HeaderValueOf(Headers::get().ContentLength, "12"));
EXPECT_EQ(response->headers().TransferEncoding(), nullptr);
EXPECT_EQ(0, response->body().size());
cleanupUpstreamAndDownstream();
}
// The Envoy HTTP/1.1 codec ASSERTs that T-E headers are cleared in
// encodeHeaders, so to test upstreams explicitly sending T-E: chunked we have
// to send raw HTTP.
TEST_P(IntegrationTest, TestHeadWithExplicitTE) {
initialize();
auto tcp_client = makeTcpConnection(lookupPort("http"));
tcp_client->write("HEAD / HTTP/1.1\r\nHost: host\r\n\r\n");
FakeRawConnectionPtr fake_upstream_connection;
ASSERT_TRUE(fake_upstreams_[0]->waitForRawConnection(fake_upstream_connection));
std::string data;
ASSERT_TRUE(fake_upstream_connection->waitForData(
FakeRawConnection::waitForInexactMatch("\r\n\r\n"), &data));
ASSERT_TRUE(
fake_upstream_connection->write("HTTP/1.1 200 OK\r\nTransfer-encoding: chunked\r\n\r\n"));
tcp_client->waitForData("\r\n\r\n", false);
std::string response = tcp_client->data();
EXPECT_THAT(response, HasSubstr("HTTP/1.1 200 OK\r\n"));
EXPECT_THAT(response, Not(HasSubstr("content-length")));
EXPECT_THAT(response, HasSubstr("transfer-encoding: chunked\r\n"));
EXPECT_THAT(response, EndsWith("\r\n\r\n"));
ASSERT_TRUE(fake_upstream_connection->close());
ASSERT_TRUE(fake_upstream_connection->waitForDisconnect());
tcp_client->close();
}
TEST_P(IntegrationTest, TestBind) {
std::string address_string;
if (GetParam() == Network::Address::IpVersion::v4) {
address_string = TestUtility::getIpv4Loopback();
} else {
address_string = "::1";
}
config_helper_.setSourceAddress(address_string);
useAccessLog("%UPSTREAM_LOCAL_ADDRESS%\n");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeRequestWithBody(Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"}},
1024);
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
ASSERT_NE(fake_upstream_connection_, nullptr);
std::string address =
fake_upstream_connection_->connection().remoteAddress()->ip()->addressAsString();
EXPECT_EQ(address, address_string);
ASSERT_TRUE(fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_));
ASSERT_NE(upstream_request_, nullptr);
ASSERT_TRUE(upstream_request_->waitForEndStream(*dispatcher_));
cleanupUpstreamAndDownstream();
EXPECT_THAT(waitForAccessLog(access_log_name_), HasSubstr(address_string));
}
TEST_P(IntegrationTest, TestFailedBind) {
config_helper_.setSourceAddress("8.8.8.8");
initialize();
// Envoy will create and close some number of connections when trying to bind.
// Make sure they don't cause assertion failures when we ignore them.
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
codec_client_ = makeHttpConnection(lookupPort("http"));
// With no ability to successfully bind on an upstream connection Envoy should
// send a 500.
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-upstream-rq-timeout-ms", "1000"}});
response->waitForEndStream();
EXPECT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("503"));
EXPECT_LT(0, test_server_->counter("cluster.cluster_0.bind_errors")->value());
}
ConfigHelper::HttpModifierFunction setVia(const std::string& via) {
return
[via](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) { hcm.set_via(via); };
}
// Validate in a basic header-only request we get via header insertion.
TEST_P(IntegrationTest, ViaAppendHeaderOnly) {
config_helper_.addConfigModifier(setVia("bar"));
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":authority", "host"},
{"via", "foo"},
{"connection", "close"}});
waitForNextUpstreamRequest();
EXPECT_THAT(upstream_request_->headers(), HeaderValueOf(Headers::get().Via, "foo, bar"));
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, true);
response->waitForEndStream();
codec_client_->waitForDisconnect();
EXPECT_TRUE(response->complete());
EXPECT_THAT(response->headers(), HttpStatusIs("200"));
EXPECT_THAT(response->headers(), HeaderValueOf(Headers::get().Via, "bar"));
}
// Validate that 100-continue works as expected with via header addition on both request and
// response path.
TEST_P(IntegrationTest, ViaAppendWith100Continue) {
config_helper_.addConfigModifier(setVia("foo"));
testEnvoyHandling100Continue(false, "foo");
}
// Test delayed close semantics for downstream HTTP/1.1 connections. When an early response is
// sent by Envoy, it will wait for response acknowledgment (via FIN/RST) from the client before
// closing the socket (with a timeout for ensuring cleanup).
TEST_P(IntegrationTest, TestDelayedConnectionTeardownOnGracefulClose) {
// This test will trigger an early 413 Payload Too Large response due to buffer limits being
// exceeded. The following filter is needed since the router filter will never trigger a 413.
config_helper_.addFilter("{ name: http_dynamo_filter, typed_config: { \"@type\": "
"type.googleapis.com/envoy.config.filter.http.dynamo.v2.Dynamo } }");
config_helper_.setBufferLimits(1024, 1024);
initialize();
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder =
codec_client_->startRequest(Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"}});
request_encoder_ = &encoder_decoder.first;
auto response = std::move(encoder_decoder.second);
codec_client_->sendData(*request_encoder_, 1024 * 65, false);
response->waitForEndStream();
EXPECT_TRUE(response->complete());
EXPECT_EQ("413", response->headers().Status()->value().getStringView());
// With no delayed close processing, Envoy will close the connection immediately after flushing
// and this should instead return true.
EXPECT_FALSE(codec_client_->waitForDisconnect(std::chrono::milliseconds(500)));
// Issue a local close and check that the client did not pick up a remote close which can happen
// when delayed close semantics are disabled.
codec_client_->connection()->close(Network::ConnectionCloseType::NoFlush);