495 lines
17 KiB
Go
495 lines
17 KiB
Go
package h2quic
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import (
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"bytes"
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"context"
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"crypto/tls"
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"errors"
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"fmt"
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"io"
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"net"
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"net/http"
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"strings"
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"sync"
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"time"
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"golang.org/x/net/http2"
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"golang.org/x/net/http2/hpack"
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quic "github.com/lucas-clemente/quic-go"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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"github.com/lucas-clemente/quic-go/internal/testdata"
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"github.com/lucas-clemente/quic-go/qerr"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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type mockSession struct {
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closed bool
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closedWithError error
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dataStream quic.Stream
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streamToAccept quic.Stream
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streamsToOpen []quic.Stream
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blockOpenStreamSync bool
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streamOpenErr error
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ctx context.Context
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ctxCancel context.CancelFunc
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}
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func (s *mockSession) GetOrOpenStream(id protocol.StreamID) (quic.Stream, error) {
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return s.dataStream, nil
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}
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func (s *mockSession) AcceptStream() (quic.Stream, error) { return s.streamToAccept, nil }
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func (s *mockSession) OpenStream() (quic.Stream, error) {
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if s.streamOpenErr != nil {
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return nil, s.streamOpenErr
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}
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str := s.streamsToOpen[0]
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s.streamsToOpen = s.streamsToOpen[1:]
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return str, nil
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}
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func (s *mockSession) OpenStreamSync() (quic.Stream, error) {
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if s.blockOpenStreamSync {
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time.Sleep(time.Hour)
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}
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return s.OpenStream()
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}
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func (s *mockSession) Close(e error) error {
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s.closed = true
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s.closedWithError = e
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s.ctxCancel()
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return nil
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}
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func (s *mockSession) LocalAddr() net.Addr {
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panic("not implemented")
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}
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func (s *mockSession) RemoteAddr() net.Addr {
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return &net.UDPAddr{IP: []byte{127, 0, 0, 1}, Port: 42}
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}
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func (s *mockSession) Context() context.Context {
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return s.ctx
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}
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var _ = Describe("H2 server", func() {
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var (
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s *Server
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session *mockSession
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dataStream *mockStream
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origQuicListenAddr = quicListenAddr
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)
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BeforeEach(func() {
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s = &Server{
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Server: &http.Server{
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TLSConfig: testdata.GetTLSConfig(),
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},
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}
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dataStream = newMockStream(0)
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close(dataStream.unblockRead)
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session = &mockSession{dataStream: dataStream}
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session.ctx, session.ctxCancel = context.WithCancel(context.Background())
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origQuicListenAddr = quicListenAddr
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})
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AfterEach(func() {
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quicListenAddr = origQuicListenAddr
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})
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Context("handling requests", func() {
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var (
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h2framer *http2.Framer
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hpackDecoder *hpack.Decoder
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headerStream *mockStream
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)
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BeforeEach(func() {
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headerStream = &mockStream{}
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hpackDecoder = hpack.NewDecoder(4096, nil)
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h2framer = http2.NewFramer(nil, headerStream)
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})
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It("handles a sample GET request", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer GinkgoRecover()
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Expect(r.Host).To(Equal("www.example.com"))
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Expect(r.RemoteAddr).To(Equal("127.0.0.1:42"))
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handlerCalled = true
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})
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x5, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() bool { return handlerCalled }).Should(BeTrue())
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Expect(dataStream.remoteClosed).To(BeTrue())
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Expect(dataStream.reset).To(BeFalse())
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})
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It("returns 200 with an empty handler", func() {
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x5, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() []byte {
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return headerStream.dataWritten.Bytes()
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}).Should(Equal([]byte{0x0, 0x0, 0x1, 0x1, 0x4, 0x0, 0x0, 0x0, 0x5, 0x88})) // 0x88 is 200
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})
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It("correctly handles a panicking handler", func() {
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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panic("foobar")
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})
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x5, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() []byte {
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return headerStream.dataWritten.Bytes()
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}).Should(Equal([]byte{0x0, 0x0, 0x1, 0x1, 0x4, 0x0, 0x0, 0x0, 0x5, 0x8e})) // 0x82 is 500
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})
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It("resets the dataStream when client sends a body in GET request", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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Expect(r.Host).To(Equal("www.example.com"))
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handlerCalled = true
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})
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x4, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() bool { return handlerCalled }).Should(BeTrue())
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Eventually(func() bool { return dataStream.reset }).Should(BeTrue())
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Expect(dataStream.remoteClosed).To(BeFalse())
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})
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It("resets the dataStream when the body of POST request is not read", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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Expect(r.Host).To(Equal("www.example.com"))
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Expect(r.Method).To(Equal("POST"))
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handlerCalled = true
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})
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headerStream.dataToRead.Write([]byte{0x0, 0x0, 0x20, 0x1, 0x24, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0xff, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff, 0x83, 0x84, 0x87, 0x5c, 0x1, 0x37, 0x7a, 0x85, 0xed, 0x69, 0x88, 0xb4, 0xc7})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() bool { return dataStream.reset }).Should(BeTrue())
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Consistently(func() bool { return dataStream.remoteClosed }).Should(BeFalse())
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Expect(handlerCalled).To(BeTrue())
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})
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It("handles a request for which the client immediately resets the data stream", func() {
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session.dataStream = nil
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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handlerCalled = true
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})
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x5, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Consistently(func() bool { return handlerCalled }).Should(BeFalse())
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})
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It("resets the dataStream when the body of POST request is not read, and the request handler replaces the request.Body", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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r.Body = struct {
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io.Reader
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io.Closer
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}{}
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handlerCalled = true
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})
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headerStream.dataToRead.Write([]byte{0x0, 0x0, 0x20, 0x1, 0x24, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0xff, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff, 0x83, 0x84, 0x87, 0x5c, 0x1, 0x37, 0x7a, 0x85, 0xed, 0x69, 0x88, 0xb4, 0xc7})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() bool { return dataStream.reset }).Should(BeTrue())
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Consistently(func() bool { return dataStream.remoteClosed }).Should(BeFalse())
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Expect(handlerCalled).To(BeTrue())
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})
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It("closes the dataStream if the body of POST request was read", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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Expect(r.Host).To(Equal("www.example.com"))
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Expect(r.Method).To(Equal("POST"))
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handlerCalled = true
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// read the request body
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b := make([]byte, 1000)
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n, _ := r.Body.Read(b)
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Expect(n).ToNot(BeZero())
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})
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headerStream.dataToRead.Write([]byte{0x0, 0x0, 0x20, 0x1, 0x24, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0xff, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff, 0x83, 0x84, 0x87, 0x5c, 0x1, 0x37, 0x7a, 0x85, 0xed, 0x69, 0x88, 0xb4, 0xc7})
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dataStream.dataToRead.Write([]byte("foo=bar"))
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() bool { return handlerCalled }).Should(BeTrue())
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Expect(dataStream.reset).To(BeFalse())
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})
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It("errors when non-header frames are received", func() {
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x06, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5,
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'f', 'o', 'o', 'b', 'a', 'r',
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})
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).To(MatchError("InvalidHeadersStreamData: expected a header frame"))
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})
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It("Cancels the request context when the datstream is closed", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer GinkgoRecover()
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err := r.Context().Err()
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(Equal("context canceled"))
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handlerCalled = true
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})
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x5, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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dataStream.Close()
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err := s.handleRequest(session, headerStream, &sync.Mutex{}, hpackDecoder, h2framer)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() bool { return handlerCalled }).Should(BeTrue())
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Expect(dataStream.remoteClosed).To(BeTrue())
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Expect(dataStream.reset).To(BeFalse())
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})
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})
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It("handles the header stream", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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Expect(r.Host).To(Equal("www.example.com"))
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handlerCalled = true
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})
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headerStream := &mockStream{id: 3}
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x4, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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session.streamToAccept = headerStream
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go s.handleHeaderStream(session)
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Eventually(func() bool { return handlerCalled }).Should(BeTrue())
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})
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It("closes the connection if it encounters an error on the header stream", func() {
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var handlerCalled bool
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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handlerCalled = true
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})
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headerStream := &mockStream{id: 3}
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headerStream.dataToRead.Write(bytes.Repeat([]byte{0}, 100))
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session.streamToAccept = headerStream
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go s.handleHeaderStream(session)
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Consistently(func() bool { return handlerCalled }).Should(BeFalse())
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Eventually(func() bool { return session.closed }).Should(BeTrue())
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Expect(session.closedWithError).To(MatchError(qerr.Error(qerr.HeadersStreamDataDecompressFailure, "cannot read frame")))
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})
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It("supports closing after first request", func() {
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s.CloseAfterFirstRequest = true
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s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
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headerStream := &mockStream{id: 3}
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x4, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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session.streamToAccept = headerStream
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Expect(session.closed).To(BeFalse())
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go s.handleHeaderStream(session)
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Eventually(func() bool { return session.closed }).Should(BeTrue())
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})
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It("uses the default handler as fallback", func() {
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var handlerCalled bool
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http.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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Expect(r.Host).To(Equal("www.example.com"))
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handlerCalled = true
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}))
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headerStream := &mockStream{id: 3}
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headerStream.dataToRead.Write([]byte{
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0x0, 0x0, 0x11, 0x1, 0x4, 0x0, 0x0, 0x0, 0x5,
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// Taken from https://http2.github.io/http2-spec/compression.html#request.examples.with.huffman.coding
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0x82, 0x86, 0x84, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a, 0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff,
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})
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session.streamToAccept = headerStream
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go s.handleHeaderStream(session)
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Eventually(func() bool { return handlerCalled }).Should(BeTrue())
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})
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Context("setting http headers", func() {
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var expected http.Header
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getExpectedHeader := func(versions []protocol.VersionNumber) http.Header {
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var versionsAsString []string
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for _, v := range versions {
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versionsAsString = append(versionsAsString, v.ToAltSvc())
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}
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return http.Header{
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"Alt-Svc": {fmt.Sprintf(`quic=":443"; ma=2592000; v="%s"`, strings.Join(versionsAsString, ","))},
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}
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}
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BeforeEach(func() {
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Expect(getExpectedHeader([]protocol.VersionNumber{99, 90, 9})).To(Equal(http.Header{"Alt-Svc": {`quic=":443"; ma=2592000; v="99,90,9"`}}))
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expected = getExpectedHeader(protocol.SupportedVersions)
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})
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It("sets proper headers with numeric port", func() {
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s.Server.Addr = ":443"
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hdr := http.Header{}
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err := s.SetQuicHeaders(hdr)
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Expect(err).NotTo(HaveOccurred())
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Expect(hdr).To(Equal(expected))
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})
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It("sets proper headers with full addr", func() {
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s.Server.Addr = "127.0.0.1:443"
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hdr := http.Header{}
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err := s.SetQuicHeaders(hdr)
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Expect(err).NotTo(HaveOccurred())
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Expect(hdr).To(Equal(expected))
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})
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It("sets proper headers with string port", func() {
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s.Server.Addr = ":https"
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hdr := http.Header{}
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err := s.SetQuicHeaders(hdr)
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Expect(err).NotTo(HaveOccurred())
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Expect(hdr).To(Equal(expected))
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})
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It("works multiple times", func() {
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s.Server.Addr = ":https"
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hdr := http.Header{}
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err := s.SetQuicHeaders(hdr)
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Expect(err).NotTo(HaveOccurred())
|
|
Expect(hdr).To(Equal(expected))
|
|
hdr = http.Header{}
|
|
err = s.SetQuicHeaders(hdr)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
Expect(hdr).To(Equal(expected))
|
|
})
|
|
})
|
|
|
|
It("should error when ListenAndServe is called with s.Server nil", func() {
|
|
err := (&Server{}).ListenAndServe()
|
|
Expect(err).To(MatchError("use of h2quic.Server without http.Server"))
|
|
})
|
|
|
|
It("should error when ListenAndServeTLS is called with s.Server nil", func() {
|
|
err := (&Server{}).ListenAndServeTLS(testdata.GetCertificatePaths())
|
|
Expect(err).To(MatchError("use of h2quic.Server without http.Server"))
|
|
})
|
|
|
|
It("should nop-Close() when s.server is nil", func() {
|
|
err := (&Server{}).Close()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
Context("ListenAndServe", func() {
|
|
BeforeEach(func() {
|
|
s.Server.Addr = "localhost:0"
|
|
})
|
|
|
|
AfterEach(func() {
|
|
Expect(s.Close()).To(Succeed())
|
|
})
|
|
|
|
It("may only be called once", func() {
|
|
cErr := make(chan error)
|
|
for i := 0; i < 2; i++ {
|
|
go func() {
|
|
defer GinkgoRecover()
|
|
err := s.ListenAndServe()
|
|
if err != nil {
|
|
cErr <- err
|
|
}
|
|
}()
|
|
}
|
|
err := <-cErr
|
|
Expect(err).To(MatchError("ListenAndServe may only be called once"))
|
|
err = s.Close()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}, 0.5)
|
|
|
|
It("uses the quic.Config to start the quic server", func() {
|
|
conf := &quic.Config{HandshakeTimeout: time.Nanosecond}
|
|
var receivedConf *quic.Config
|
|
quicListenAddr = func(addr string, tlsConf *tls.Config, config *quic.Config) (quic.Listener, error) {
|
|
receivedConf = config
|
|
return nil, errors.New("listen err")
|
|
}
|
|
s.QuicConfig = conf
|
|
go s.ListenAndServe()
|
|
Eventually(func() *quic.Config { return receivedConf }).Should(Equal(conf))
|
|
})
|
|
})
|
|
|
|
Context("ListenAndServeTLS", func() {
|
|
BeforeEach(func() {
|
|
s.Server.Addr = "localhost:0"
|
|
})
|
|
|
|
AfterEach(func() {
|
|
err := s.Close()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("may only be called once", func() {
|
|
cErr := make(chan error)
|
|
for i := 0; i < 2; i++ {
|
|
go func() {
|
|
defer GinkgoRecover()
|
|
err := s.ListenAndServeTLS(testdata.GetCertificatePaths())
|
|
if err != nil {
|
|
cErr <- err
|
|
}
|
|
}()
|
|
}
|
|
err := <-cErr
|
|
Expect(err).To(MatchError("ListenAndServe may only be called once"))
|
|
err = s.Close()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
}, 0.5)
|
|
})
|
|
|
|
It("closes gracefully", func() {
|
|
err := s.CloseGracefully(0)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("errors when listening fails", func() {
|
|
testErr := errors.New("listen error")
|
|
quicListenAddr = func(addr string, tlsConf *tls.Config, config *quic.Config) (quic.Listener, error) {
|
|
return nil, testErr
|
|
}
|
|
fullpem, privkey := testdata.GetCertificatePaths()
|
|
err := ListenAndServeQUIC("", fullpem, privkey, nil)
|
|
Expect(err).To(MatchError(testErr))
|
|
})
|
|
})
|