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protocol_integration_test.cc
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protocol_integration_test.cc
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#include "protocol_integration_test.h"
#include "test/integration/protocol_integration_test.h"
#include <functional>
#include <list>
#include <memory>
#include <regex>
#include <string>
#include <vector>
#include "envoy/buffer/buffer.h"
#include "envoy/config/bootstrap/v3/bootstrap.pb.h"
#include "envoy/config/route/v3/route_components.pb.h"
#include "envoy/event/dispatcher.h"
#include "envoy/extensions/filters/network/http_connection_manager/v3/http_connection_manager.pb.h"
#include "envoy/http/header_map.h"
#include "envoy/registry/registry.h"
#include "source/common/api/api_impl.h"
#include "source/common/buffer/buffer_impl.h"
#include "source/common/common/fmt.h"
#include "source/common/common/thread_annotations.h"
#include "source/common/http/headers.h"
#include "source/common/http/utility.h"
#include "source/common/network/utility.h"
#include "source/common/protobuf/utility.h"
#include "source/common/runtime/runtime_impl.h"
#include "source/common/upstream/upstream_impl.h"
#include "test/common/http/http2/http2_frame.h"
#include "test/common/upstream/utility.h"
#include "test/integration/autonomous_upstream.h"
#include "test/integration/http_integration.h"
#include "test/integration/socket_interface_swap.h"
#include "test/integration/test_host_predicate_config.h"
#include "test/integration/utility.h"
#include "test/mocks/upstream/retry_priority.h"
#include "test/mocks/upstream/retry_priority_factory.h"
#include "test/test_common/environment.h"
#include "test/test_common/logging.h"
#include "test/test_common/network_utility.h"
#include "test/test_common/registry.h"
#include "test/test_common/threadsafe_singleton_injector.h"
#include "absl/time/time.h"
#include "gtest/gtest.h"
using testing::HasSubstr;
using testing::Not;
namespace Envoy {
void setDoNotValidateRouteConfig(
envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager& hcm) {
auto* route_config = hcm.mutable_route_config();
route_config->mutable_validate_clusters()->set_value(false);
};
TEST_P(ProtocolIntegrationTest, TrailerSupportHttp1) {
config_helper_.addConfigModifier(setEnableDownstreamTrailersHttp1());
config_helper_.addConfigModifier(setEnableUpstreamTrailersHttp1());
testTrailers(10, 20, true, true);
}
TEST_P(ProtocolIntegrationTest, ShutdownWithActiveConnPoolConnections) {
auto response = makeHeaderOnlyRequest(nullptr, 0);
// Shut down the server with active connection pool connections.
test_server_.reset();
checkSimpleRequestSuccess(0U, 0U, response.get());
}
TEST_P(ProtocolIntegrationTest, LogicalDns) {
if (use_universal_header_validator_) {
// TODO(#27132): auto_host_rewrite is broken for IPv6 and is failing UHV validation
return;
}
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) -> void {
RELEASE_ASSERT(bootstrap.mutable_static_resources()->clusters_size() == 1, "");
auto& cluster = *bootstrap.mutable_static_resources()->mutable_clusters(0);
cluster.set_type(envoy::config::cluster::v3::Cluster::LOGICAL_DNS);
cluster.set_dns_lookup_family(envoy::config::cluster::v3::Cluster::ALL);
});
config_helper_.addConfigModifier(
[](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) {
auto* route = hcm.mutable_route_config()->mutable_virtual_hosts(0)->mutable_routes(0);
route->mutable_route()->mutable_auto_host_rewrite()->set_value(true);
});
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
sendRequestAndWaitForResponse(default_request_headers_, 0, default_response_headers_, 0);
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
}
TEST_P(ProtocolIntegrationTest, StrictDns) {
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) -> void {
RELEASE_ASSERT(bootstrap.mutable_static_resources()->clusters_size() == 1, "");
auto& cluster = *bootstrap.mutable_static_resources()->mutable_clusters(0);
cluster.set_type(envoy::config::cluster::v3::Cluster::STRICT_DNS);
cluster.set_dns_lookup_family(envoy::config::cluster::v3::Cluster::ALL);
});
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
sendRequestAndWaitForResponse(default_request_headers_, 0, default_response_headers_, 0);
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
}
// Change the default route to be restrictive, and send a request to an alternate route.
TEST_P(DownstreamProtocolIntegrationTest, RouterNotFound) { testRouterNotFound(); }
TEST_P(ProtocolIntegrationTest, RouterVirtualClusters) { testRouterVirtualClusters(); }
TEST_P(ProtocolIntegrationTest, RouterStats) { testRouteStats(); }
// Change the default route to be restrictive, and send a POST to an alternate route.
TEST_P(DownstreamProtocolIntegrationTest, RouterNotFoundBodyNoBuffer) {
testRouterNotFoundWithBody();
}
// Add a route that uses unknown cluster (expect 404 Not Found).
TEST_P(DownstreamProtocolIntegrationTest, RouterClusterNotFound404) {
config_helper_.addConfigModifier(&setDoNotValidateRouteConfig);
config_helper_.addConfigModifier(configureProxyStatus());
auto host = config_helper_.createVirtualHost("foo.lyft.com", "/unknown", "unknown_cluster");
host.mutable_routes(0)->mutable_route()->set_cluster_not_found_response_code(
envoy::config::route::v3::RouteAction::NOT_FOUND);
config_helper_.addVirtualHost(host);
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/unknown", "", downstream_protocol_, version_, "foo.lyft.com");
ASSERT_TRUE(response->complete());
EXPECT_EQ("404", response->headers().getStatusValue());
EXPECT_EQ(response->headers().getProxyStatusValue(),
"envoy; error=destination_unavailable; details=\"cluster_not_found; NC\"");
}
TEST_P(DownstreamProtocolIntegrationTest, TestHostWhitespacee) {
disable_client_header_validation_ = true;
config_helper_.addConfigModifier(&setDoNotValidateRouteConfig);
auto host = config_helper_.createVirtualHost("foo.lyft.com", "/unknown", "unknown_cluster");
host.mutable_routes(0)->mutable_route()->set_cluster_not_found_response_code(
envoy::config::route::v3::RouteAction::NOT_FOUND);
config_helper_.addVirtualHost(host);
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder = codec_client_->startRequest(Http::TestRequestHeaderMapImpl{
{":method", "GET"}, {":authority", " foo.lyft.com "}, {":path", "/unknown"}});
request_encoder_ = &encoder_decoder.first;
auto response = std::move(encoder_decoder.second);
// For HTTP/1 the whitespace will be stripped, and 404 returned as above.
if (downstreamProtocol() == Http::CodecType::HTTP1) {
ASSERT_TRUE(response->waitForEndStream());
EXPECT_EQ("404", response->headers().getStatusValue());
EXPECT_TRUE(response->complete());
} else {
// For HTTP/2 and above, the whitespace is illegal.
ASSERT_TRUE(response->waitForReset());
ASSERT_TRUE(codec_client_->waitForDisconnect());
}
}
// Add a route that uses unknown cluster (expect 503 Service Unavailable).
TEST_P(DownstreamProtocolIntegrationTest, RouterClusterNotFound503) {
config_helper_.addConfigModifier(&setDoNotValidateRouteConfig);
auto host = config_helper_.createVirtualHost("foo.lyft.com", "/unknown", "unknown_cluster");
host.mutable_routes(0)->mutable_route()->set_cluster_not_found_response_code(
envoy::config::route::v3::RouteAction::SERVICE_UNAVAILABLE);
config_helper_.addVirtualHost(host);
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/unknown", "", downstream_protocol_, version_, "foo.lyft.com");
ASSERT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().getStatusValue());
}
// Add a route which redirects HTTP to HTTPS, and verify Envoy sends a 301
TEST_P(DownstreamProtocolIntegrationTest, RouterRedirectHttpRequest) {
autonomous_upstream_ = true;
useAccessLog("%DOWNSTREAM_WIRE_BYTES_SENT% %DOWNSTREAM_WIRE_BYTES_RECEIVED% "
"%DOWNSTREAM_HEADER_BYTES_SENT% %DOWNSTREAM_HEADER_BYTES_RECEIVED%");
auto host = config_helper_.createVirtualHost("www.redirect.com", "/");
host.set_require_tls(envoy::config::route::v3::VirtualHost::ALL);
config_helper_.addVirtualHost(host);
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/foo", "", downstream_protocol_, version_, "www.redirect.com");
ASSERT_TRUE(response->complete());
if (downstream_protocol_ <= Http::CodecType::HTTP2) {
EXPECT_EQ("301", response->headers().getStatusValue());
EXPECT_EQ("https://www.redirect.com/foo",
response->headers().get(Http::Headers::get().Location)[0]->value().getStringView());
expectDownstreamBytesSentAndReceived(BytesCountExpectation(145, 45, 111, 23),
BytesCountExpectation(69, 30, 69, 30),
BytesCountExpectation(0, 30, 0, 30));
} else {
// All QUIC requests use https, and should not be redirected. (Even those sent with http scheme
// will be overridden to https by HCM.)
EXPECT_EQ("200", response->headers().getStatusValue());
}
}
TEST_P(ProtocolIntegrationTest, UnknownResponsecode) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
Http::TestResponseHeaderMapImpl response_headers{{":status", "600"}};
auto response = sendRequestAndWaitForResponse(default_request_headers_, 0, response_headers, 0);
// Regression test https://github.com/envoyproxy/envoy/issues/14890 - no content-length added.
EXPECT_EQ(upstream_request_->headers().ContentLength(), nullptr);
ASSERT_TRUE(response->complete());
EXPECT_EQ("600", response->headers().getStatusValue());
}
TEST_P(DownstreamProtocolIntegrationTest, AddInvalidDecodedData) {
EXPECT_ENVOY_BUG(
{
useAccessLog("%RESPONSE_CODE_DETAILS%");
config_helper_.prependFilter(R"EOF(
name: add-invalid-data-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_EQ("502", response->headers().getStatusValue());
EXPECT_THAT(waitForAccessLog(access_log_name_),
HasSubstr("filter_added_invalid_request_data"));
},
"Invalid request data");
}
TEST_P(DownstreamProtocolIntegrationTest, AddInvalidEncodedData) {
EXPECT_ENVOY_BUG(
{
useAccessLog("%RESPONSE_CODE_DETAILS%");
config_helper_.prependFilter(R"EOF(
name: add-invalid-data-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
default_request_headers_.setCopy(Envoy::Http::LowerCaseString("invalid-encode"), "yes");
auto encoder_decoder = codec_client_->startRequest(default_request_headers_);
auto response = std::move(encoder_decoder.second);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_EQ("502", response->headers().getStatusValue());
EXPECT_THAT(waitForAccessLog(access_log_name_),
HasSubstr("filter_added_invalid_response_data"));
cleanupUpstreamAndDownstream();
},
"Invalid response data");
}
// Verifies behavior for https://github.com/envoyproxy/envoy/pull/11248
TEST_P(ProtocolIntegrationTest, AddBodyToRequestAndWaitForIt) {
config_helper_.prependFilter(R"EOF(
name: wait-for-whole-request-and-response-filter
)EOF");
config_helper_.prependFilter(R"EOF(
name: add-body-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
EXPECT_EQ("body", upstream_request_->body().toString());
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, false);
// encode data, as we have a separate test for the transforming header only response.
upstream_request_->encodeData(128, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
}
TEST_P(ProtocolIntegrationTest, DEPRECATED_FEATURE_TEST(RouterOnlyTracing)) {
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
envoy::extensions::filters::http::router::v3::Router router_config;
router_config.set_start_child_span(true);
hcm.mutable_http_filters(0)->mutable_typed_config()->PackFrom(router_config);
});
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
sendRequestAndWaitForResponse(default_request_headers_, 0, default_response_headers_, 0);
}
TEST_P(ProtocolIntegrationTest, AddBodyToResponseAndWaitForIt) {
config_helper_.prependFilter(R"EOF(
name: add-body-filter
)EOF");
config_helper_.prependFilter(R"EOF(
name: wait-for-whole-request-and-response-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeRequestWithBody(default_request_headers_, 128);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_EQ("body", response->body());
}
TEST_P(ProtocolIntegrationTest, ContinueHeadersOnlyInjectBodyFilter) {
config_helper_.prependFilter(R"EOF(
name: continue-headers-only-inject-body-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Send a headers only request.
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
// Make sure that the body was injected to the request.
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(upstream_request_->receivedData());
EXPECT_EQ(upstream_request_->body().toString(), "body");
// Send a headers only response.
upstream_request_->encodeHeaders(default_response_headers_, true);
ASSERT_TRUE(response->waitForEndStream());
// Make sure that the body was injected to the response.
EXPECT_TRUE(response->complete());
EXPECT_EQ(response->body(), "body");
}
TEST_P(ProtocolIntegrationTest, StopIterationHeadersInjectBodyFilter) {
config_helper_.prependFilter(R"EOF(
name: stop-iteration-headers-inject-body-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Send a headers only request.
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
// Make sure that the body was injected to the request.
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(upstream_request_->receivedData());
EXPECT_EQ(upstream_request_->body().toString(), "body");
// Send a headers only response.
upstream_request_->encodeHeaders(default_response_headers_, true);
ASSERT_TRUE(response->waitForEndStream());
// Make sure that the body was injected to the response.
EXPECT_TRUE(response->complete());
EXPECT_EQ(response->body(), "body");
}
TEST_P(ProtocolIntegrationTest, AddEncodedTrailers) {
config_helper_.prependFilter(R"EOF(
name: add-trailers-filter
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeRequestWithBody(default_request_headers_, 128);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "503"}}, false);
upstream_request_->encodeData(128, true);
ASSERT_TRUE(response->waitForEndStream());
if (upstreamProtocol() != Http::CodecType::HTTP1) {
EXPECT_EQ("decode", upstream_request_->trailers()
->get(Http::LowerCaseString("grpc-message"))[0]
->value()
.getStringView());
}
EXPECT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().getStatusValue());
if (downstream_protocol_ != Http::CodecType::HTTP1) {
EXPECT_EQ("encode", response->trailers()->getGrpcMessageValue());
}
}
TEST_P(ProtocolIntegrationTest, MixedCaseScheme) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
default_request_headers_.setScheme("Http");
auto response =
sendRequestAndWaitForResponse(default_request_headers_, 0, default_response_headers_, 0);
auto scheme = upstream_request_->headers().getSchemeValue();
EXPECT_TRUE(scheme.empty() || scheme == "http");
}
TEST_P(ProtocolIntegrationTest, AccessLogOnRequestStartTest) {
if (upstreamProtocol() == Http::CodecType::HTTP3) {
return;
}
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
hcm.mutable_access_log_options()->set_flush_access_log_on_new_request(true);
});
useAccessLog("%RESPONSE_CODE% %ACCESS_LOG_TYPE%");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(Http::TestRequestHeaderMapImpl{
{":method", "GET"}, {":path", "/test"}, {":scheme", "http"}, {":authority", "host.com"}});
waitForNextUpstreamRequest();
EXPECT_EQ(absl::StrCat("0 ", AccessLogType_Name(AccessLog::AccessLogType::DownstreamStart)),
waitForAccessLog(access_log_name_, 0, true));
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_EQ(absl::StrCat("200 ", AccessLogType_Name(AccessLog::AccessLogType::DownstreamEnd)),
waitForAccessLog(access_log_name_, 1, true));
}
TEST_P(ProtocolIntegrationTest, PeriodicAccessLog) {
if (upstreamProtocol() == Http::CodecType::HTTP3) {
return;
}
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
hcm.mutable_access_log_options()->mutable_access_log_flush_interval()->set_nanos(
100000000); // 0.1 seconds
});
useAccessLog("%ACCESS_LOG_TYPE%");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(Http::TestRequestHeaderMapImpl{
{":method", "GET"}, {":path", "/test"}, {":scheme", "http"}, {":authority", "host.com"}});
waitForNextUpstreamRequest();
EXPECT_EQ(AccessLogType_Name(AccessLog::AccessLogType::DownstreamPeriodic),
waitForAccessLog(access_log_name_));
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "200"}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
}
// Regression test for https://github.com/envoyproxy/envoy/issues/9873
TEST_P(ProtocolIntegrationTest, ResponseWithHostHeader) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"}});
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "200"}, {"host", "host"}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_EQ("host",
response->headers().get(Http::LowerCaseString("host"))[0]->value().getStringView());
}
// Upstream 304 response with Content-Length and no actual body
// The content-length header should be preserved and no transfer-encoding header should be added
TEST_P(ProtocolIntegrationTest, Upstream304ResponseWithContentLength) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"if-none-match", "\"1234567890\""}});
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "304"},
{"etag", "\"1234567890\""},
{"content-length", "123"}},
true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("304", response->headers().getStatusValue());
EXPECT_EQ(
"123",
response->headers().get(Http::LowerCaseString("content-length"))[0]->value().getStringView());
EXPECT_TRUE(response->headers().get(Http::LowerCaseString("transfer-encoding")).empty());
// Make a HEAD request to make sure the previous 304 response with Content-Length did not cause
// issue.
response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "HEAD"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"if-none-match", "\"1234567890\""}});
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "304"},
{"etag", "\"1234567890\""},
{"content-length", "123"}},
true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("304", response->headers().getStatusValue());
EXPECT_EQ(
"123",
response->headers().get(Http::LowerCaseString("content-length"))[0]->value().getStringView());
EXPECT_TRUE(response->headers().get(Http::LowerCaseString("transfer-encoding")).empty());
}
// Upstream 304 response without Content-Length
// No content-length nor transfer-encoding header should be added for all protocol combinations.
TEST_P(ProtocolIntegrationTest, 304ResponseWithoutContentLength) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"if-none-match", "\"1234567890\""}});
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "304"}, {"etag", "\"1234567890\""}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("304", response->headers().getStatusValue());
EXPECT_TRUE(response->headers().get(Http::LowerCaseString("transfer-encoding")).empty());
EXPECT_TRUE(response->headers().get(Http::LowerCaseString("content-length")).empty());
}
// Upstream 304 response for HEAD request without Content-Length
// Response to HEAD request is the same as response to GET request and consistent with different
// protocol combinations.
TEST_P(ProtocolIntegrationTest, 304HeadResponseWithoutContentLength) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "HEAD"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"if-none-match", "\"1234567890\""}});
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "304"}, {"etag", "\"1234567890\""}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("304", response->headers().getStatusValue());
EXPECT_TRUE(response->headers().get(Http::LowerCaseString("transfer-encoding")).empty());
EXPECT_TRUE(response->headers().get(Http::LowerCaseString("content-length")).empty());
}
// Tests that the response to a HEAD request can have content-length header but empty body.
TEST_P(ProtocolIntegrationTest, 200HeadResponseWithContentLength) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "HEAD"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"if-none-match", "\"1234567890\""}});
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "200"}, {"content-length", "123"}}, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_EQ(
"123",
response->headers().get(Http::LowerCaseString("content-length"))[0]->value().getStringView());
}
// Tests missing headers needed for H/1 codec first line.
TEST_P(DownstreamProtocolIntegrationTest, DownstreamRequestWithFaultyFilter) {
if (upstreamProtocol() == Http::CodecType::HTTP3) {
// For QUIC, even through the headers are not sent upstream, the stream will
// be created. Use the autonomous upstream and allow incomplete streams.
autonomous_allow_incomplete_streams_ = true;
autonomous_upstream_ = true;
}
useAccessLog("%RESPONSE_CODE_DETAILS%");
config_helper_.prependFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing method
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-method", "yes"}});
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().getStatusValue());
EXPECT_THAT(waitForAccessLog(access_log_name_), testing::MatchesRegex(".*required.*header.*"));
// Missing path for non-CONNECT
response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-path", "yes"}});
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().getStatusValue());
EXPECT_THAT(waitForAccessLog(access_log_name_, 1), testing::MatchesRegex(".*required.*header.*"));
}
TEST_P(DownstreamProtocolIntegrationTest, FaultyFilterWithConnect) {
if (upstreamProtocol() == Http::CodecType::HTTP3) {
// For QUIC, even through the headers are not sent upstream, the stream will
// be created. Use the autonomous upstream and allow incomplete streams.
autonomous_allow_incomplete_streams_ = true;
autonomous_upstream_ = true;
}
// Faulty filter that removed host in a CONNECT request.
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
ConfigHelper::setConnectConfig(hcm, false, false,
downstreamProtocol() == Http::CodecType::HTTP3);
});
useAccessLog("%RESPONSE_CODE_DETAILS%");
config_helper_.prependFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing host for CONNECT
auto headers = Http::TestRequestHeaderMapImpl{
{":method", "CONNECT"}, {":scheme", "http"}, {":authority", "www.host.com:80"}};
auto encoder_decoder = codec_client_->startRequest(headers);
auto response = std::move(encoder_decoder.second);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().getStatusValue());
// With and without UHV the details string is different:
// non-UHV: filter_removed_required_request_headers{missing_required_header:_host}
// UHV: filter_removed_required_request_headers{header_validation_failed:_uhv.invalid_host}
EXPECT_THAT(waitForAccessLog(access_log_name_), testing::MatchesRegex(".*required.*header.*"));
// Wait to process STOP_SENDING on the client for quic.
if (downstreamProtocol() == Http::CodecType::HTTP3) {
EXPECT_TRUE(response->waitForReset());
}
}
TEST_P(DownstreamProtocolIntegrationTest, MissingHeadersLocalReply) {
useAccessLog("%RESPONSE_CODE_DETAILS%");
config_helper_.prependFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing method
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-method", "yes"},
{"send-reply", "yes"}});
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_THAT(waitForAccessLog(access_log_name_), HasSubstr("invalid_header_filter_ready"));
}
TEST_P(DownstreamProtocolIntegrationTest, MissingHeadersLocalReplyDownstreamBytesCount) {
useAccessLog("%DOWNSTREAM_WIRE_BYTES_SENT% %DOWNSTREAM_WIRE_BYTES_RECEIVED% "
"%DOWNSTREAM_HEADER_BYTES_SENT% %DOWNSTREAM_HEADER_BYTES_RECEIVED%");
config_helper_.addFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing method
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-method", "yes"},
{"send-reply", "yes"}});
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
expectDownstreamBytesSentAndReceived(BytesCountExpectation(90, 88, 71, 54),
BytesCountExpectation(40, 58, 40, 58),
BytesCountExpectation(7, 10, 7, 8));
}
TEST_P(DownstreamProtocolIntegrationTest, MissingHeadersLocalReplyUpstreamBytesCount) {
useAccessLog("%UPSTREAM_WIRE_BYTES_SENT% %UPSTREAM_WIRE_BYTES_RECEIVED% "
"%UPSTREAM_HEADER_BYTES_SENT% %UPSTREAM_HEADER_BYTES_RECEIVED%");
config_helper_.addFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing method
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-method", "yes"},
{"send-reply", "yes"}});
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
expectUpstreamBytesSentAndReceived(BytesCountExpectation(0, 0, 0, 0),
BytesCountExpectation(0, 0, 0, 0),
BytesCountExpectation(0, 0, 0, 0));
}
TEST_P(DownstreamProtocolIntegrationTest, MissingHeadersLocalReplyWithBody) {
useAccessLog("%RESPONSE_CODE_DETAILS%");
config_helper_.prependFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing method
auto response = codec_client_->makeRequestWithBody(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-method", "yes"},
{"send-reply", "yes"}},
1024);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_THAT(waitForAccessLog(access_log_name_), HasSubstr("invalid_header_filter_ready"));
}
TEST_P(DownstreamProtocolIntegrationTest, MissingHeadersLocalReplyWithBodyBytesCount) {
useAccessLog("%DOWNSTREAM_WIRE_BYTES_SENT% %DOWNSTREAM_WIRE_BYTES_RECEIVED% "
"%DOWNSTREAM_HEADER_BYTES_SENT% %DOWNSTREAM_HEADER_BYTES_RECEIVED%");
config_helper_.addFilter("{ name: invalid-header-filter }");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Missing method
auto response = codec_client_->makeRequestWithBody(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"remove-method", "yes"},
{"send-reply", "yes"}},
1024);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
expectDownstreamBytesSentAndReceived(BytesCountExpectation(109, 1152, 90, 81),
BytesCountExpectation(0, 58, 0, 58),
BytesCountExpectation(7, 10, 7, 8));
}
TEST_P(DownstreamProtocolIntegrationTest, TeSanitization) {
if (downstreamProtocol() != Http::CodecType::HTTP1) {
return;
}
autonomous_upstream_ = true;
config_helper_.addRuntimeOverride("envoy.reloadable_features.sanitize_te", "true");
default_request_headers_.setTE("gzip");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
auto upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_[0].get())->lastRequestHeaders();
EXPECT_TRUE(upstream_headers != nullptr);
EXPECT_EQ("", upstream_headers->getTEValue());
}
TEST_P(DownstreamProtocolIntegrationTest, TeSanitizationTrailers) {
if (downstreamProtocol() != Http::CodecType::HTTP1) {
return;
}
autonomous_upstream_ = true;
config_helper_.addRuntimeOverride("envoy.reloadable_features.sanitize_te", "true");
default_request_headers_.setTE("trailers");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
auto upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_[0].get())->lastRequestHeaders();
EXPECT_TRUE(upstream_headers != nullptr);
EXPECT_EQ("trailers", upstream_headers->getTEValue());
}
TEST_P(DownstreamProtocolIntegrationTest, TeSanitizationTrailersMultipleValuesAndWeigthted) {
if (downstreamProtocol() != Http::CodecType::HTTP1) {
return;
}
autonomous_upstream_ = true;
config_helper_.addRuntimeOverride("envoy.reloadable_features.sanitize_te", "true");
default_request_headers_.setTE("chunked;q=0.8 , trailers ,deflate ");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
auto upstream_headers =
reinterpret_cast<AutonomousUpstream*>(fake_upstreams_[0].get())->lastRequestHeaders();
EXPECT_TRUE(upstream_headers != nullptr);
EXPECT_EQ("trailers", upstream_headers->getTEValue());
}
// Regression test for https://github.com/envoyproxy/envoy/issues/10270
TEST_P(ProtocolIntegrationTest, LongHeaderValueWithSpaces) {
// Header with at least 20kb of spaces surrounded by non-whitespace characters to ensure that
// dispatching is split across 2 dispatch calls. This threshold comes from Envoy preferring 16KB
// reads, which the buffer rounds up to about 20KB when allocating slices in
// Buffer::OwnedImpl::reserve().
const std::string long_header_value_with_inner_lws = "v" + std::string(32 * 1024, ' ') + "v";
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"longrequestvalue", long_header_value_with_inner_lws}});
waitForNextUpstreamRequest();
EXPECT_EQ(long_header_value_with_inner_lws, upstream_request_->headers()
.get(Http::LowerCaseString("longrequestvalue"))[0]
->value()
.getStringView());
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "200"},
{"host", "host"},
{"longresponsevalue", long_header_value_with_inner_lws}},
true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_EQ("host",
response->headers().get(Http::LowerCaseString("host"))[0]->value().getStringView());
EXPECT_EQ(long_header_value_with_inner_lws,
response->headers()
.get(Http::LowerCaseString("longresponsevalue"))[0]
->value()
.getStringView());
}
TEST_P(ProtocolIntegrationTest, Retry) {
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) -> void {
RELEASE_ASSERT(bootstrap.mutable_static_resources()->clusters_size() == 1, "");
auto& cluster = *bootstrap.mutable_static_resources()->mutable_clusters(0);
cluster.mutable_track_cluster_stats()->set_request_response_sizes(true);
});
useAccessLog("%UPSTREAM_WIRE_BYTES_SENT% %UPSTREAM_WIRE_BYTES_RECEIVED% "
"%UPSTREAM_HEADER_BYTES_SENT% %UPSTREAM_HEADER_BYTES_RECEIVED%");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeRequestWithBody(
Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}},
1024);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "503"}}, false);
if (fake_upstreams_[0]->httpType() == Http::CodecType::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_,
std::chrono::milliseconds(500)));
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
}
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
ASSERT_TRUE(response->waitForEndStream());
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(1024U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().getStatusValue());
EXPECT_EQ(512U, response->body().size());
Stats::Store& stats = test_server_->server().stats();
if (upstreamProtocol() == Http::CodecType::HTTP2) {
Stats::CounterSharedPtr counter = TestUtility::findCounter(
stats, absl::StrCat("cluster.cluster_0.", upstreamProtocolStatsRoot(), ".tx_reset"));
ASSERT_NE(nullptr, counter);
EXPECT_EQ(1L, counter->value());
}
EXPECT_NE(nullptr,
test_server_->counter(absl::StrCat("cluster.cluster_0.", upstreamProtocolStatsRoot(),
".dropped_headers_with_underscores")));
test_server_->waitUntilHistogramHasSamples("cluster.cluster_0.upstream_rq_headers_size");
test_server_->waitUntilHistogramHasSamples("cluster.cluster_0.upstream_rs_headers_size");
auto find_histo_sample_count = [&](const std::string& name) -> uint64_t {
for (auto& histogram : test_server_->histograms()) {
if (histogram->name() == name) {
return TestUtility::readSampleCount(test_server_->server().dispatcher(), *histogram);
}
}
return 0;
};
EXPECT_EQ(find_histo_sample_count("cluster.cluster_0.upstream_rq_headers_size"), 2);
EXPECT_EQ(find_histo_sample_count("cluster.cluster_0.upstream_rs_headers_size"), 2);
// The two requests are sent with https scheme rather than http for QUIC downstream.
const size_t quic_https_extra_bytes = (downstreamProtocol() == Http::CodecType::HTTP3 ? 2u : 0u);
const size_t http2_header_bytes_received =
(GetParam().http2_implementation == Http2Impl::Oghttp2) ? 24 : 27;
expectUpstreamBytesSentAndReceived(
BytesCountExpectation(2566 + quic_https_extra_bytes, 635, 430 + quic_https_extra_bytes, 54),
BytesCountExpectation(2262, 548, 196, http2_header_bytes_received),
BytesCountExpectation(2204, 520, 150, 6));
}
// Regression test to guarantee that buffering for retries and shadows doesn't double the body size.
// This test is actually irrelevant for QUIC, as this issue only shows up with header-only requests.
// QUIC will always send an empty data frame with FIN.
TEST_P(ProtocolIntegrationTest, RetryWithBuffer) {
config_helper_.prependFilter(R"EOF(
name: add-body-filter
typed_config:
"@type": type.googleapis.com/test.integration.filters.AddBodyFilterConfig
where_to_add_body: DEFAULT
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(
Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "sni.lyft.com"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}});
waitForNextUpstreamRequest();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_TRUE(upstream_request_->receivedData());
EXPECT_EQ(upstream_request_->bodyLength(), 4);
upstream_request_->encodeHeaders(default_response_headers_, true);
ASSERT_TRUE(response->waitForEndStream());
}
TEST_P(ProtocolIntegrationTest, RetryStreaming) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder =