Vendor integration dependencies.
This commit is contained in:
Timo Reimann
parent
dd5e3fba01
commit
55b57c736b
2451 changed files with 731611 additions and 0 deletions
608
integration/vendor/golang.org/x/net/publicsuffix/gen.go
generated
vendored
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608
integration/vendor/golang.org/x/net/publicsuffix/gen.go
generated
vendored
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@ -0,0 +1,608 @@
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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package main
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// This program generates table.go and table_test.go.
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// Invoke as:
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//
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// go run gen.go -version "xxx" >table.go
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// go run gen.go -version "xxx" -test >table_test.go
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//
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// The version is derived from information found at
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// https://github.com/publicsuffix/list/commits/master/public_suffix_list.dat
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//
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// To fetch a particular git revision, such as 5c70ccd250, pass
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// -url "https://raw.githubusercontent.com/publicsuffix/list/5c70ccd250/public_suffix_list.dat"
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import (
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"bufio"
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"bytes"
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"flag"
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"fmt"
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"go/format"
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"io"
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"net/http"
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"os"
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"regexp"
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"sort"
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"strings"
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"golang.org/x/net/idna"
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)
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const (
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nodesBitsChildren = 9
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nodesBitsICANN = 1
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nodesBitsTextOffset = 15
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nodesBitsTextLength = 6
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childrenBitsWildcard = 1
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childrenBitsNodeType = 2
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childrenBitsHi = 14
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childrenBitsLo = 14
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)
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var (
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maxChildren int
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maxTextOffset int
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maxTextLength int
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maxHi uint32
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maxLo uint32
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)
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func max(a, b int) int {
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if a < b {
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return b
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}
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return a
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}
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func u32max(a, b uint32) uint32 {
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if a < b {
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return b
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}
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return a
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}
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const (
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nodeTypeNormal = 0
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nodeTypeException = 1
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nodeTypeParentOnly = 2
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numNodeType = 3
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)
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func nodeTypeStr(n int) string {
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switch n {
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case nodeTypeNormal:
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return "+"
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case nodeTypeException:
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return "!"
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case nodeTypeParentOnly:
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return "o"
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}
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panic("unreachable")
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}
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var (
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labelEncoding = map[string]uint32{}
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labelsList = []string{}
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labelsMap = map[string]bool{}
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rules = []string{}
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// validSuffix is used to check that the entries in the public suffix list
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// are in canonical form (after Punycode encoding). Specifically, capital
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// letters are not allowed.
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validSuffix = regexp.MustCompile(`^[a-z0-9_\!\*\-\.]+$`)
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crush = flag.Bool("crush", true, "make the generated node text as small as possible")
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subset = flag.Bool("subset", false, "generate only a subset of the full table, for debugging")
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url = flag.String("url",
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"https://publicsuffix.org/list/effective_tld_names.dat",
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"URL of the publicsuffix.org list. If empty, stdin is read instead")
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v = flag.Bool("v", false, "verbose output (to stderr)")
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version = flag.String("version", "", "the effective_tld_names.dat version")
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test = flag.Bool("test", false, "generate table_test.go")
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)
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func main() {
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if err := main1(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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func main1() error {
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flag.Parse()
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if nodesBitsTextLength+nodesBitsTextOffset+nodesBitsICANN+nodesBitsChildren > 32 {
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return fmt.Errorf("not enough bits to encode the nodes table")
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}
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if childrenBitsLo+childrenBitsHi+childrenBitsNodeType+childrenBitsWildcard > 32 {
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return fmt.Errorf("not enough bits to encode the children table")
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}
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if *version == "" {
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return fmt.Errorf("-version was not specified")
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}
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var r io.Reader = os.Stdin
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if *url != "" {
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res, err := http.Get(*url)
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if err != nil {
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return err
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}
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if res.StatusCode != http.StatusOK {
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return fmt.Errorf("bad GET status for %s: %d", *url, res.Status)
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}
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r = res.Body
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defer res.Body.Close()
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}
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var root node
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icann := false
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buf := new(bytes.Buffer)
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br := bufio.NewReader(r)
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for {
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s, err := br.ReadString('\n')
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if err != nil {
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if err == io.EOF {
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break
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}
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return err
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}
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s = strings.TrimSpace(s)
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if strings.Contains(s, "BEGIN ICANN DOMAINS") {
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icann = true
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continue
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}
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if strings.Contains(s, "END ICANN DOMAINS") {
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icann = false
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continue
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}
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if s == "" || strings.HasPrefix(s, "//") {
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continue
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}
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s, err = idna.ToASCII(s)
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if err != nil {
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return err
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}
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if !validSuffix.MatchString(s) {
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return fmt.Errorf("bad publicsuffix.org list data: %q", s)
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}
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if *subset {
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switch {
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case s == "ac.jp" || strings.HasSuffix(s, ".ac.jp"):
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case s == "ak.us" || strings.HasSuffix(s, ".ak.us"):
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case s == "ao" || strings.HasSuffix(s, ".ao"):
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case s == "ar" || strings.HasSuffix(s, ".ar"):
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case s == "arpa" || strings.HasSuffix(s, ".arpa"):
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case s == "cy" || strings.HasSuffix(s, ".cy"):
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case s == "dyndns.org" || strings.HasSuffix(s, ".dyndns.org"):
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case s == "jp":
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case s == "kobe.jp" || strings.HasSuffix(s, ".kobe.jp"):
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case s == "kyoto.jp" || strings.HasSuffix(s, ".kyoto.jp"):
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case s == "om" || strings.HasSuffix(s, ".om"):
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case s == "uk" || strings.HasSuffix(s, ".uk"):
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case s == "uk.com" || strings.HasSuffix(s, ".uk.com"):
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case s == "tw" || strings.HasSuffix(s, ".tw"):
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case s == "zw" || strings.HasSuffix(s, ".zw"):
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case s == "xn--p1ai" || strings.HasSuffix(s, ".xn--p1ai"):
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// xn--p1ai is Russian-Cyrillic "рф".
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default:
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continue
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}
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}
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rules = append(rules, s)
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nt, wildcard := nodeTypeNormal, false
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switch {
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case strings.HasPrefix(s, "*."):
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s, nt = s[2:], nodeTypeParentOnly
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wildcard = true
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case strings.HasPrefix(s, "!"):
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s, nt = s[1:], nodeTypeException
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}
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labels := strings.Split(s, ".")
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for n, i := &root, len(labels)-1; i >= 0; i-- {
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label := labels[i]
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n = n.child(label)
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if i == 0 {
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if nt != nodeTypeParentOnly && n.nodeType == nodeTypeParentOnly {
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n.nodeType = nt
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}
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n.icann = n.icann && icann
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n.wildcard = n.wildcard || wildcard
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}
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labelsMap[label] = true
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}
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}
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labelsList = make([]string, 0, len(labelsMap))
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for label := range labelsMap {
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labelsList = append(labelsList, label)
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}
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sort.Strings(labelsList)
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p := printReal
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if *test {
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p = printTest
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}
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if err := p(buf, &root); err != nil {
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return err
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}
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b, err := format.Source(buf.Bytes())
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if err != nil {
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return err
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}
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_, err = os.Stdout.Write(b)
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return err
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}
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func printTest(w io.Writer, n *node) error {
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fmt.Fprintf(w, "// generated by go run gen.go; DO NOT EDIT\n\n")
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fmt.Fprintf(w, "package publicsuffix\n\nvar rules = [...]string{\n")
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for _, rule := range rules {
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fmt.Fprintf(w, "%q,\n", rule)
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}
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fmt.Fprintf(w, "}\n\nvar nodeLabels = [...]string{\n")
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if err := n.walk(w, printNodeLabel); err != nil {
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return err
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}
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fmt.Fprintf(w, "}\n")
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return nil
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}
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func printReal(w io.Writer, n *node) error {
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const header = `// generated by go run gen.go; DO NOT EDIT
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package publicsuffix
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const version = %q
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const (
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nodesBitsChildren = %d
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nodesBitsICANN = %d
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nodesBitsTextOffset = %d
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nodesBitsTextLength = %d
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childrenBitsWildcard = %d
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childrenBitsNodeType = %d
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childrenBitsHi = %d
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childrenBitsLo = %d
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)
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const (
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nodeTypeNormal = %d
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nodeTypeException = %d
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nodeTypeParentOnly = %d
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)
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// numTLD is the number of top level domains.
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const numTLD = %d
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`
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fmt.Fprintf(w, header, *version,
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nodesBitsChildren, nodesBitsICANN, nodesBitsTextOffset, nodesBitsTextLength,
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childrenBitsWildcard, childrenBitsNodeType, childrenBitsHi, childrenBitsLo,
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nodeTypeNormal, nodeTypeException, nodeTypeParentOnly, len(n.children))
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text := makeText()
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if text == "" {
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return fmt.Errorf("internal error: makeText returned no text")
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}
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for _, label := range labelsList {
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offset, length := strings.Index(text, label), len(label)
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if offset < 0 {
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return fmt.Errorf("internal error: could not find %q in text %q", label, text)
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}
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maxTextOffset, maxTextLength = max(maxTextOffset, offset), max(maxTextLength, length)
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if offset >= 1<<nodesBitsTextOffset || length >= 1<<nodesBitsTextLength {
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return fmt.Errorf("text offset/length is too large: %d/%d", offset, length)
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}
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labelEncoding[label] = uint32(offset)<<nodesBitsTextLength | uint32(length)
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}
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fmt.Fprintf(w, "// Text is the combined text of all labels.\nconst text = ")
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for len(text) > 0 {
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n, plus := len(text), ""
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if n > 64 {
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n, plus = 64, " +"
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}
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fmt.Fprintf(w, "%q%s\n", text[:n], plus)
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text = text[n:]
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}
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n.walk(w, assignIndexes)
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fmt.Fprintf(w, `
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// nodes is the list of nodes. Each node is represented as a uint32, which
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// encodes the node's children, wildcard bit and node type (as an index into
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// the children array), ICANN bit and text.
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//
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// In the //-comment after each node's data, the nodes indexes of the children
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// are formatted as (n0x1234-n0x1256), with * denoting the wildcard bit. The
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// nodeType is printed as + for normal, ! for exception, and o for parent-only
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// nodes that have children but don't match a domain label in their own right.
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// An I denotes an ICANN domain.
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//
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// The layout within the uint32, from MSB to LSB, is:
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// [%2d bits] unused
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// [%2d bits] children index
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// [%2d bits] ICANN bit
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// [%2d bits] text index
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// [%2d bits] text length
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var nodes = [...]uint32{
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`,
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32-nodesBitsChildren-nodesBitsICANN-nodesBitsTextOffset-nodesBitsTextLength,
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nodesBitsChildren, nodesBitsICANN, nodesBitsTextOffset, nodesBitsTextLength)
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if err := n.walk(w, printNode); err != nil {
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return err
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}
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fmt.Fprintf(w, `}
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// children is the list of nodes' children, the parent's wildcard bit and the
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// parent's node type. If a node has no children then their children index
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// will be in the range [0, 6), depending on the wildcard bit and node type.
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//
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// The layout within the uint32, from MSB to LSB, is:
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// [%2d bits] unused
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// [%2d bits] wildcard bit
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// [%2d bits] node type
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// [%2d bits] high nodes index (exclusive) of children
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// [%2d bits] low nodes index (inclusive) of children
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var children=[...]uint32{
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`,
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32-childrenBitsWildcard-childrenBitsNodeType-childrenBitsHi-childrenBitsLo,
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childrenBitsWildcard, childrenBitsNodeType, childrenBitsHi, childrenBitsLo)
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for i, c := range childrenEncoding {
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s := "---------------"
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lo := c & (1<<childrenBitsLo - 1)
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hi := (c >> childrenBitsLo) & (1<<childrenBitsHi - 1)
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if lo != hi {
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s = fmt.Sprintf("n0x%04x-n0x%04x", lo, hi)
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}
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nodeType := int(c>>(childrenBitsLo+childrenBitsHi)) & (1<<childrenBitsNodeType - 1)
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wildcard := c>>(childrenBitsLo+childrenBitsHi+childrenBitsNodeType) != 0
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fmt.Fprintf(w, "0x%08x, // c0x%04x (%s)%s %s\n",
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c, i, s, wildcardStr(wildcard), nodeTypeStr(nodeType))
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}
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fmt.Fprintf(w, "}\n\n")
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fmt.Fprintf(w, "// max children %d (capacity %d)\n", maxChildren, 1<<nodesBitsChildren-1)
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fmt.Fprintf(w, "// max text offset %d (capacity %d)\n", maxTextOffset, 1<<nodesBitsTextOffset-1)
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fmt.Fprintf(w, "// max text length %d (capacity %d)\n", maxTextLength, 1<<nodesBitsTextLength-1)
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fmt.Fprintf(w, "// max hi %d (capacity %d)\n", maxHi, 1<<childrenBitsHi-1)
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fmt.Fprintf(w, "// max lo %d (capacity %d)\n", maxLo, 1<<childrenBitsLo-1)
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return nil
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}
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type node struct {
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label string
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nodeType int
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icann bool
|
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wildcard bool
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// nodesIndex and childrenIndex are the index of this node in the nodes
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// and the index of its children offset/length in the children arrays.
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nodesIndex, childrenIndex int
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// firstChild is the index of this node's first child, or zero if this
|
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// node has no children.
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firstChild int
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// children are the node's children, in strictly increasing node label order.
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children []*node
|
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}
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|
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func (n *node) walk(w io.Writer, f func(w1 io.Writer, n1 *node) error) error {
|
||||
if err := f(w, n); err != nil {
|
||||
return err
|
||||
}
|
||||
for _, c := range n.children {
|
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if err := c.walk(w, f); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// child returns the child of n with the given label. The child is created if
|
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// it did not exist beforehand.
|
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func (n *node) child(label string) *node {
|
||||
for _, c := range n.children {
|
||||
if c.label == label {
|
||||
return c
|
||||
}
|
||||
}
|
||||
c := &node{
|
||||
label: label,
|
||||
nodeType: nodeTypeParentOnly,
|
||||
icann: true,
|
||||
}
|
||||
n.children = append(n.children, c)
|
||||
sort.Sort(byLabel(n.children))
|
||||
return c
|
||||
}
|
||||
|
||||
type byLabel []*node
|
||||
|
||||
func (b byLabel) Len() int { return len(b) }
|
||||
func (b byLabel) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
|
||||
func (b byLabel) Less(i, j int) bool { return b[i].label < b[j].label }
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||||
|
||||
var nextNodesIndex int
|
||||
|
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// childrenEncoding are the encoded entries in the generated children array.
|
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// All these pre-defined entries have no children.
|
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var childrenEncoding = []uint32{
|
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0 << (childrenBitsLo + childrenBitsHi), // Without wildcard bit, nodeTypeNormal.
|
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1 << (childrenBitsLo + childrenBitsHi), // Without wildcard bit, nodeTypeException.
|
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2 << (childrenBitsLo + childrenBitsHi), // Without wildcard bit, nodeTypeParentOnly.
|
||||
4 << (childrenBitsLo + childrenBitsHi), // With wildcard bit, nodeTypeNormal.
|
||||
5 << (childrenBitsLo + childrenBitsHi), // With wildcard bit, nodeTypeException.
|
||||
6 << (childrenBitsLo + childrenBitsHi), // With wildcard bit, nodeTypeParentOnly.
|
||||
}
|
||||
|
||||
var firstCallToAssignIndexes = true
|
||||
|
||||
func assignIndexes(w io.Writer, n *node) error {
|
||||
if len(n.children) != 0 {
|
||||
// Assign nodesIndex.
|
||||
n.firstChild = nextNodesIndex
|
||||
for _, c := range n.children {
|
||||
c.nodesIndex = nextNodesIndex
|
||||
nextNodesIndex++
|
||||
}
|
||||
|
||||
// The root node's children is implicit.
|
||||
if firstCallToAssignIndexes {
|
||||
firstCallToAssignIndexes = false
|
||||
return nil
|
||||
}
|
||||
|
||||
// Assign childrenIndex.
|
||||
maxChildren = max(maxChildren, len(childrenEncoding))
|
||||
if len(childrenEncoding) >= 1<<nodesBitsChildren {
|
||||
return fmt.Errorf("children table is too large")
|
||||
}
|
||||
n.childrenIndex = len(childrenEncoding)
|
||||
lo := uint32(n.firstChild)
|
||||
hi := lo + uint32(len(n.children))
|
||||
maxLo, maxHi = u32max(maxLo, lo), u32max(maxHi, hi)
|
||||
if lo >= 1<<childrenBitsLo || hi >= 1<<childrenBitsHi {
|
||||
return fmt.Errorf("children lo/hi is too large: %d/%d", lo, hi)
|
||||
}
|
||||
enc := hi<<childrenBitsLo | lo
|
||||
enc |= uint32(n.nodeType) << (childrenBitsLo + childrenBitsHi)
|
||||
if n.wildcard {
|
||||
enc |= 1 << (childrenBitsLo + childrenBitsHi + childrenBitsNodeType)
|
||||
}
|
||||
childrenEncoding = append(childrenEncoding, enc)
|
||||
} else {
|
||||
n.childrenIndex = n.nodeType
|
||||
if n.wildcard {
|
||||
n.childrenIndex += numNodeType
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func printNode(w io.Writer, n *node) error {
|
||||
for _, c := range n.children {
|
||||
s := "---------------"
|
||||
if len(c.children) != 0 {
|
||||
s = fmt.Sprintf("n0x%04x-n0x%04x", c.firstChild, c.firstChild+len(c.children))
|
||||
}
|
||||
encoding := labelEncoding[c.label]
|
||||
if c.icann {
|
||||
encoding |= 1 << (nodesBitsTextLength + nodesBitsTextOffset)
|
||||
}
|
||||
encoding |= uint32(c.childrenIndex) << (nodesBitsTextLength + nodesBitsTextOffset + nodesBitsICANN)
|
||||
fmt.Fprintf(w, "0x%08x, // n0x%04x c0x%04x (%s)%s %s %s %s\n",
|
||||
encoding, c.nodesIndex, c.childrenIndex, s, wildcardStr(c.wildcard),
|
||||
nodeTypeStr(c.nodeType), icannStr(c.icann), c.label,
|
||||
)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func printNodeLabel(w io.Writer, n *node) error {
|
||||
for _, c := range n.children {
|
||||
fmt.Fprintf(w, "%q,\n", c.label)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func icannStr(icann bool) string {
|
||||
if icann {
|
||||
return "I"
|
||||
}
|
||||
return " "
|
||||
}
|
||||
|
||||
func wildcardStr(wildcard bool) string {
|
||||
if wildcard {
|
||||
return "*"
|
||||
}
|
||||
return " "
|
||||
}
|
||||
|
||||
// makeText combines all the strings in labelsList to form one giant string.
|
||||
// If the crush flag is true, then overlapping strings will be merged: "arpa"
|
||||
// and "parliament" could yield "arparliament".
|
||||
func makeText() string {
|
||||
if !*crush {
|
||||
return strings.Join(labelsList, "")
|
||||
}
|
||||
|
||||
beforeLength := 0
|
||||
for _, s := range labelsList {
|
||||
beforeLength += len(s)
|
||||
}
|
||||
|
||||
// Make a copy of labelsList.
|
||||
ss := append(make([]string, 0, len(labelsList)), labelsList...)
|
||||
|
||||
// Remove strings that are substrings of other strings.
|
||||
for changed := true; changed; {
|
||||
changed = false
|
||||
for i, s := range ss {
|
||||
if s == "" {
|
||||
continue
|
||||
}
|
||||
for j, t := range ss {
|
||||
if i != j && t != "" && strings.Contains(s, t) {
|
||||
changed = true
|
||||
ss[j] = ""
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Remove the empty strings.
|
||||
sort.Strings(ss)
|
||||
for len(ss) > 0 && ss[0] == "" {
|
||||
ss = ss[1:]
|
||||
}
|
||||
|
||||
// Join strings where one suffix matches another prefix.
|
||||
for {
|
||||
// Find best i, j, k such that ss[i][len-k:] == ss[j][:k],
|
||||
// maximizing overlap length k.
|
||||
besti := -1
|
||||
bestj := -1
|
||||
bestk := 0
|
||||
for i, s := range ss {
|
||||
if s == "" {
|
||||
continue
|
||||
}
|
||||
for j, t := range ss {
|
||||
if i == j {
|
||||
continue
|
||||
}
|
||||
for k := bestk + 1; k <= len(s) && k <= len(t); k++ {
|
||||
if s[len(s)-k:] == t[:k] {
|
||||
besti = i
|
||||
bestj = j
|
||||
bestk = k
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if bestk > 0 {
|
||||
if *v {
|
||||
fmt.Fprintf(os.Stderr, "%d-length overlap at (%4d,%4d) out of (%4d,%4d): %q and %q\n",
|
||||
bestk, besti, bestj, len(ss), len(ss), ss[besti], ss[bestj])
|
||||
}
|
||||
ss[besti] += ss[bestj][bestk:]
|
||||
ss[bestj] = ""
|
||||
continue
|
||||
}
|
||||
break
|
||||
}
|
||||
|
||||
text := strings.Join(ss, "")
|
||||
if *v {
|
||||
fmt.Fprintf(os.Stderr, "crushed %d bytes to become %d bytes\n", beforeLength, len(text))
|
||||
}
|
||||
return text
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue