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author | Christopher Speller <crspeller@gmail.com> | 2018-04-16 05:37:14 -0700 |
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committer | Joram Wilander <jwawilander@gmail.com> | 2018-04-16 08:37:14 -0400 |
commit | 6e2cb00008cbf09e556b00f87603797fcaa47e09 (patch) | |
tree | 3c0eb55ff4226a3f024aad373140d1fb860a6404 /vendor/golang.org/x/net/http2/h2i | |
parent | bf24f51c4e1cc6286885460672f7f449e8c6f5ef (diff) | |
download | chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.gz chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.bz2 chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.zip |
Depenancy upgrades and movign to dep. (#8630)
Diffstat (limited to 'vendor/golang.org/x/net/http2/h2i')
-rw-r--r-- | vendor/golang.org/x/net/http2/h2i/README.md | 97 | ||||
-rw-r--r-- | vendor/golang.org/x/net/http2/h2i/h2i.go | 522 |
2 files changed, 0 insertions, 619 deletions
diff --git a/vendor/golang.org/x/net/http2/h2i/README.md b/vendor/golang.org/x/net/http2/h2i/README.md deleted file mode 100644 index fb5c5efb0..000000000 --- a/vendor/golang.org/x/net/http2/h2i/README.md +++ /dev/null @@ -1,97 +0,0 @@ -# h2i - -**h2i** is an interactive HTTP/2 ("h2") console debugger. Miss the good ol' -days of telnetting to your HTTP/1.n servers? We're bringing you -back. - -Features: -- send raw HTTP/2 frames - - PING - - SETTINGS - - HEADERS - - etc -- type in HTTP/1.n and have it auto-HPACK/frame-ify it for HTTP/2 -- pretty print all received HTTP/2 frames from the peer (including HPACK decoding) -- tab completion of commands, options - -Not yet features, but soon: -- unnecessary CONTINUATION frames on short boundaries, to test peer implementations -- request bodies (DATA frames) -- send invalid frames for testing server implementations (supported by underlying Framer) - -Later: -- act like a server - -## Installation - -``` -$ go get golang.org/x/net/http2/h2i -$ h2i <host> -``` - -## Demo - -``` -$ h2i -Usage: h2i <hostname> - - -insecure - Whether to skip TLS cert validation - -nextproto string - Comma-separated list of NPN/ALPN protocol names to negotiate. (default "h2,h2-14") - -$ h2i google.com -Connecting to google.com:443 ... -Connected to 74.125.224.41:443 -Negotiated protocol "h2-14" -[FrameHeader SETTINGS len=18] - [MAX_CONCURRENT_STREAMS = 100] - [INITIAL_WINDOW_SIZE = 1048576] - [MAX_FRAME_SIZE = 16384] -[FrameHeader WINDOW_UPDATE len=4] - Window-Increment = 983041 - -h2i> PING h2iSayHI -[FrameHeader PING flags=ACK len=8] - Data = "h2iSayHI" -h2i> headers -(as HTTP/1.1)> GET / HTTP/1.1 -(as HTTP/1.1)> Host: ip.appspot.com -(as HTTP/1.1)> User-Agent: h2i/brad-n-blake -(as HTTP/1.1)> -Opening Stream-ID 1: - :authority = ip.appspot.com - :method = GET - :path = / - :scheme = https - user-agent = h2i/brad-n-blake -[FrameHeader HEADERS flags=END_HEADERS stream=1 len=77] - :status = "200" - alternate-protocol = "443:quic,p=1" - content-length = "15" - content-type = "text/html" - date = "Fri, 01 May 2015 23:06:56 GMT" - server = "Google Frontend" -[FrameHeader DATA flags=END_STREAM stream=1 len=15] - "173.164.155.78\n" -[FrameHeader PING len=8] - Data = "\x00\x00\x00\x00\x00\x00\x00\x00" -h2i> ping -[FrameHeader PING flags=ACK len=8] - Data = "h2i_ping" -h2i> ping -[FrameHeader PING flags=ACK len=8] - Data = "h2i_ping" -h2i> ping -[FrameHeader GOAWAY len=22] - Last-Stream-ID = 1; Error-Code = PROTOCOL_ERROR (1) - -ReadFrame: EOF -``` - -## Status - -Quick few hour hack. So much yet to do. Feel free to file issues for -bugs or wishlist items, but [@bmizerany](https://github.com/bmizerany/) -and I aren't yet accepting pull requests until things settle down. - diff --git a/vendor/golang.org/x/net/http2/h2i/h2i.go b/vendor/golang.org/x/net/http2/h2i/h2i.go deleted file mode 100644 index 62e57527c..000000000 --- a/vendor/golang.org/x/net/http2/h2i/h2i.go +++ /dev/null @@ -1,522 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build !plan9,!solaris - -/* -The h2i command is an interactive HTTP/2 console. - -Usage: - $ h2i [flags] <hostname> - -Interactive commands in the console: (all parts case-insensitive) - - ping [data] - settings ack - settings FOO=n BAR=z - headers (open a new stream by typing HTTP/1.1) -*/ -package main - -import ( - "bufio" - "bytes" - "crypto/tls" - "errors" - "flag" - "fmt" - "io" - "log" - "net" - "net/http" - "os" - "regexp" - "strconv" - "strings" - - "golang.org/x/crypto/ssh/terminal" - "golang.org/x/net/http2" - "golang.org/x/net/http2/hpack" -) - -// Flags -var ( - flagNextProto = flag.String("nextproto", "h2,h2-14", "Comma-separated list of NPN/ALPN protocol names to negotiate.") - flagInsecure = flag.Bool("insecure", false, "Whether to skip TLS cert validation") - flagSettings = flag.String("settings", "empty", "comma-separated list of KEY=value settings for the initial SETTINGS frame. The magic value 'empty' sends an empty initial settings frame, and the magic value 'omit' causes no initial settings frame to be sent.") - flagDial = flag.String("dial", "", "optional ip:port to dial, to connect to a host:port but use a different SNI name (including a SNI name without DNS)") -) - -type command struct { - run func(*h2i, []string) error // required - - // complete optionally specifies tokens (case-insensitive) which are - // valid for this subcommand. - complete func() []string -} - -var commands = map[string]command{ - "ping": {run: (*h2i).cmdPing}, - "settings": { - run: (*h2i).cmdSettings, - complete: func() []string { - return []string{ - "ACK", - http2.SettingHeaderTableSize.String(), - http2.SettingEnablePush.String(), - http2.SettingMaxConcurrentStreams.String(), - http2.SettingInitialWindowSize.String(), - http2.SettingMaxFrameSize.String(), - http2.SettingMaxHeaderListSize.String(), - } - }, - }, - "quit": {run: (*h2i).cmdQuit}, - "headers": {run: (*h2i).cmdHeaders}, -} - -func usage() { - fmt.Fprintf(os.Stderr, "Usage: h2i <hostname>\n\n") - flag.PrintDefaults() -} - -// withPort adds ":443" if another port isn't already present. -func withPort(host string) string { - if _, _, err := net.SplitHostPort(host); err != nil { - return net.JoinHostPort(host, "443") - } - return host -} - -// withoutPort strips the port from addr if present. -func withoutPort(addr string) string { - if h, _, err := net.SplitHostPort(addr); err == nil { - return h - } - return addr -} - -// h2i is the app's state. -type h2i struct { - host string - tc *tls.Conn - framer *http2.Framer - term *terminal.Terminal - - // owned by the command loop: - streamID uint32 - hbuf bytes.Buffer - henc *hpack.Encoder - - // owned by the readFrames loop: - peerSetting map[http2.SettingID]uint32 - hdec *hpack.Decoder -} - -func main() { - flag.Usage = usage - flag.Parse() - if flag.NArg() != 1 { - usage() - os.Exit(2) - } - log.SetFlags(0) - - host := flag.Arg(0) - app := &h2i{ - host: host, - peerSetting: make(map[http2.SettingID]uint32), - } - app.henc = hpack.NewEncoder(&app.hbuf) - - if err := app.Main(); err != nil { - if app.term != nil { - app.logf("%v\n", err) - } else { - fmt.Fprintf(os.Stderr, "%v\n", err) - } - os.Exit(1) - } - fmt.Fprintf(os.Stdout, "\n") -} - -func (app *h2i) Main() error { - cfg := &tls.Config{ - ServerName: withoutPort(app.host), - NextProtos: strings.Split(*flagNextProto, ","), - InsecureSkipVerify: *flagInsecure, - } - - hostAndPort := *flagDial - if hostAndPort == "" { - hostAndPort = withPort(app.host) - } - log.Printf("Connecting to %s ...", hostAndPort) - tc, err := tls.Dial("tcp", hostAndPort, cfg) - if err != nil { - return fmt.Errorf("Error dialing %s: %v", hostAndPort, err) - } - log.Printf("Connected to %v", tc.RemoteAddr()) - defer tc.Close() - - if err := tc.Handshake(); err != nil { - return fmt.Errorf("TLS handshake: %v", err) - } - if !*flagInsecure { - if err := tc.VerifyHostname(app.host); err != nil { - return fmt.Errorf("VerifyHostname: %v", err) - } - } - state := tc.ConnectionState() - log.Printf("Negotiated protocol %q", state.NegotiatedProtocol) - if !state.NegotiatedProtocolIsMutual || state.NegotiatedProtocol == "" { - return fmt.Errorf("Could not negotiate protocol mutually") - } - - if _, err := io.WriteString(tc, http2.ClientPreface); err != nil { - return err - } - - app.framer = http2.NewFramer(tc, tc) - - oldState, err := terminal.MakeRaw(int(os.Stdin.Fd())) - if err != nil { - return err - } - defer terminal.Restore(0, oldState) - - var screen = struct { - io.Reader - io.Writer - }{os.Stdin, os.Stdout} - - app.term = terminal.NewTerminal(screen, "h2i> ") - lastWord := regexp.MustCompile(`.+\W(\w+)$`) - app.term.AutoCompleteCallback = func(line string, pos int, key rune) (newLine string, newPos int, ok bool) { - if key != '\t' { - return - } - if pos != len(line) { - // TODO: we're being lazy for now, only supporting tab completion at the end. - return - } - // Auto-complete for the command itself. - if !strings.Contains(line, " ") { - var name string - name, _, ok = lookupCommand(line) - if !ok { - return - } - return name, len(name), true - } - _, c, ok := lookupCommand(line[:strings.IndexByte(line, ' ')]) - if !ok || c.complete == nil { - return - } - if strings.HasSuffix(line, " ") { - app.logf("%s", strings.Join(c.complete(), " ")) - return line, pos, true - } - m := lastWord.FindStringSubmatch(line) - if m == nil { - return line, len(line), true - } - soFar := m[1] - var match []string - for _, cand := range c.complete() { - if len(soFar) > len(cand) || !strings.EqualFold(cand[:len(soFar)], soFar) { - continue - } - match = append(match, cand) - } - if len(match) == 0 { - return - } - if len(match) > 1 { - // TODO: auto-complete any common prefix - app.logf("%s", strings.Join(match, " ")) - return line, pos, true - } - newLine = line[:len(line)-len(soFar)] + match[0] - return newLine, len(newLine), true - - } - - errc := make(chan error, 2) - go func() { errc <- app.readFrames() }() - go func() { errc <- app.readConsole() }() - return <-errc -} - -func (app *h2i) logf(format string, args ...interface{}) { - fmt.Fprintf(app.term, format+"\r\n", args...) -} - -func (app *h2i) readConsole() error { - if s := *flagSettings; s != "omit" { - var args []string - if s != "empty" { - args = strings.Split(s, ",") - } - _, c, ok := lookupCommand("settings") - if !ok { - panic("settings command not found") - } - c.run(app, args) - } - - for { - line, err := app.term.ReadLine() - if err == io.EOF { - return nil - } - if err != nil { - return fmt.Errorf("terminal.ReadLine: %v", err) - } - f := strings.Fields(line) - if len(f) == 0 { - continue - } - cmd, args := f[0], f[1:] - if _, c, ok := lookupCommand(cmd); ok { - err = c.run(app, args) - } else { - app.logf("Unknown command %q", line) - } - if err == errExitApp { - return nil - } - if err != nil { - return err - } - } -} - -func lookupCommand(prefix string) (name string, c command, ok bool) { - prefix = strings.ToLower(prefix) - if c, ok = commands[prefix]; ok { - return prefix, c, ok - } - - for full, candidate := range commands { - if strings.HasPrefix(full, prefix) { - if c.run != nil { - return "", command{}, false // ambiguous - } - c = candidate - name = full - } - } - return name, c, c.run != nil -} - -var errExitApp = errors.New("internal sentinel error value to quit the console reading loop") - -func (a *h2i) cmdQuit(args []string) error { - if len(args) > 0 { - a.logf("the QUIT command takes no argument") - return nil - } - return errExitApp -} - -func (a *h2i) cmdSettings(args []string) error { - if len(args) == 1 && strings.EqualFold(args[0], "ACK") { - return a.framer.WriteSettingsAck() - } - var settings []http2.Setting - for _, arg := range args { - if strings.EqualFold(arg, "ACK") { - a.logf("Error: ACK must be only argument with the SETTINGS command") - return nil - } - eq := strings.Index(arg, "=") - if eq == -1 { - a.logf("Error: invalid argument %q (expected SETTING_NAME=nnnn)", arg) - return nil - } - sid, ok := settingByName(arg[:eq]) - if !ok { - a.logf("Error: unknown setting name %q", arg[:eq]) - return nil - } - val, err := strconv.ParseUint(arg[eq+1:], 10, 32) - if err != nil { - a.logf("Error: invalid argument %q (expected SETTING_NAME=nnnn)", arg) - return nil - } - settings = append(settings, http2.Setting{ - ID: sid, - Val: uint32(val), - }) - } - a.logf("Sending: %v", settings) - return a.framer.WriteSettings(settings...) -} - -func settingByName(name string) (http2.SettingID, bool) { - for _, sid := range [...]http2.SettingID{ - http2.SettingHeaderTableSize, - http2.SettingEnablePush, - http2.SettingMaxConcurrentStreams, - http2.SettingInitialWindowSize, - http2.SettingMaxFrameSize, - http2.SettingMaxHeaderListSize, - } { - if strings.EqualFold(sid.String(), name) { - return sid, true - } - } - return 0, false -} - -func (app *h2i) cmdPing(args []string) error { - if len(args) > 1 { - app.logf("invalid PING usage: only accepts 0 or 1 args") - return nil // nil means don't end the program - } - var data [8]byte - if len(args) == 1 { - copy(data[:], args[0]) - } else { - copy(data[:], "h2i_ping") - } - return app.framer.WritePing(false, data) -} - -func (app *h2i) cmdHeaders(args []string) error { - if len(args) > 0 { - app.logf("Error: HEADERS doesn't yet take arguments.") - // TODO: flags for restricting window size, to force CONTINUATION - // frames. - return nil - } - var h1req bytes.Buffer - app.term.SetPrompt("(as HTTP/1.1)> ") - defer app.term.SetPrompt("h2i> ") - for { - line, err := app.term.ReadLine() - if err != nil { - return err - } - h1req.WriteString(line) - h1req.WriteString("\r\n") - if line == "" { - break - } - } - req, err := http.ReadRequest(bufio.NewReader(&h1req)) - if err != nil { - app.logf("Invalid HTTP/1.1 request: %v", err) - return nil - } - if app.streamID == 0 { - app.streamID = 1 - } else { - app.streamID += 2 - } - app.logf("Opening Stream-ID %d:", app.streamID) - hbf := app.encodeHeaders(req) - if len(hbf) > 16<<10 { - app.logf("TODO: h2i doesn't yet write CONTINUATION frames. Copy it from transport.go") - return nil - } - return app.framer.WriteHeaders(http2.HeadersFrameParam{ - StreamID: app.streamID, - BlockFragment: hbf, - EndStream: req.Method == "GET" || req.Method == "HEAD", // good enough for now - EndHeaders: true, // for now - }) -} - -func (app *h2i) readFrames() error { - for { - f, err := app.framer.ReadFrame() - if err != nil { - return fmt.Errorf("ReadFrame: %v", err) - } - app.logf("%v", f) - switch f := f.(type) { - case *http2.PingFrame: - app.logf(" Data = %q", f.Data) - case *http2.SettingsFrame: - f.ForeachSetting(func(s http2.Setting) error { - app.logf(" %v", s) - app.peerSetting[s.ID] = s.Val - return nil - }) - case *http2.WindowUpdateFrame: - app.logf(" Window-Increment = %v", f.Increment) - case *http2.GoAwayFrame: - app.logf(" Last-Stream-ID = %d; Error-Code = %v (%d)", f.LastStreamID, f.ErrCode, f.ErrCode) - case *http2.DataFrame: - app.logf(" %q", f.Data()) - case *http2.HeadersFrame: - if f.HasPriority() { - app.logf(" PRIORITY = %v", f.Priority) - } - if app.hdec == nil { - // TODO: if the user uses h2i to send a SETTINGS frame advertising - // something larger, we'll need to respect SETTINGS_HEADER_TABLE_SIZE - // and stuff here instead of using the 4k default. But for now: - tableSize := uint32(4 << 10) - app.hdec = hpack.NewDecoder(tableSize, app.onNewHeaderField) - } - app.hdec.Write(f.HeaderBlockFragment()) - case *http2.PushPromiseFrame: - if app.hdec == nil { - // TODO: if the user uses h2i to send a SETTINGS frame advertising - // something larger, we'll need to respect SETTINGS_HEADER_TABLE_SIZE - // and stuff here instead of using the 4k default. But for now: - tableSize := uint32(4 << 10) - app.hdec = hpack.NewDecoder(tableSize, app.onNewHeaderField) - } - app.hdec.Write(f.HeaderBlockFragment()) - } - } -} - -// called from readLoop -func (app *h2i) onNewHeaderField(f hpack.HeaderField) { - if f.Sensitive { - app.logf(" %s = %q (SENSITIVE)", f.Name, f.Value) - } - app.logf(" %s = %q", f.Name, f.Value) -} - -func (app *h2i) encodeHeaders(req *http.Request) []byte { - app.hbuf.Reset() - - // TODO(bradfitz): figure out :authority-vs-Host stuff between http2 and Go - host := req.Host - if host == "" { - host = req.URL.Host - } - - path := req.RequestURI - if path == "" { - path = "/" - } - - app.writeHeader(":authority", host) // probably not right for all sites - app.writeHeader(":method", req.Method) - app.writeHeader(":path", path) - app.writeHeader(":scheme", "https") - - for k, vv := range req.Header { - lowKey := strings.ToLower(k) - if lowKey == "host" { - continue - } - for _, v := range vv { - app.writeHeader(lowKey, v) - } - } - return app.hbuf.Bytes() -} - -func (app *h2i) writeHeader(name, value string) { - app.henc.WriteField(hpack.HeaderField{Name: name, Value: value}) - app.logf(" %s = %s", name, value) -} |