diff options
Diffstat (limited to 'vendor/github.com/rsc/letsencrypt/vendor/golang.org/x/net/publicsuffix/list.go')
-rw-r--r-- | vendor/github.com/rsc/letsencrypt/vendor/golang.org/x/net/publicsuffix/list.go | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/golang.org/x/net/publicsuffix/list.go b/vendor/github.com/rsc/letsencrypt/vendor/golang.org/x/net/publicsuffix/list.go deleted file mode 100644 index 8bbf3bcd7..000000000 --- a/vendor/github.com/rsc/letsencrypt/vendor/golang.org/x/net/publicsuffix/list.go +++ /dev/null @@ -1,135 +0,0 @@ -// Copyright 2012 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. - -//go:generate go run gen.go - -// Package publicsuffix provides a public suffix list based on data from -// http://publicsuffix.org/. A public suffix is one under which Internet users -// can directly register names. -package publicsuffix // import "golang.org/x/net/publicsuffix" - -// TODO: specify case sensitivity and leading/trailing dot behavior for -// func PublicSuffix and func EffectiveTLDPlusOne. - -import ( - "fmt" - "net/http/cookiejar" - "strings" -) - -// List implements the cookiejar.PublicSuffixList interface by calling the -// PublicSuffix function. -var List cookiejar.PublicSuffixList = list{} - -type list struct{} - -func (list) PublicSuffix(domain string) string { - ps, _ := PublicSuffix(domain) - return ps -} - -func (list) String() string { - return version -} - -// PublicSuffix returns the public suffix of the domain using a copy of the -// publicsuffix.org database compiled into the library. -// -// icann is whether the public suffix is managed by the Internet Corporation -// for Assigned Names and Numbers. If not, the public suffix is privately -// managed. For example, foo.org and foo.co.uk are ICANN domains, -// foo.dyndns.org and foo.blogspot.co.uk are private domains. -// -// Use cases for distinguishing ICANN domains like foo.com from private -// domains like foo.appspot.com can be found at -// https://wiki.mozilla.org/Public_Suffix_List/Use_Cases -func PublicSuffix(domain string) (publicSuffix string, icann bool) { - lo, hi := uint32(0), uint32(numTLD) - s, suffix, wildcard := domain, len(domain), false -loop: - for { - dot := strings.LastIndex(s, ".") - if wildcard { - suffix = 1 + dot - } - if lo == hi { - break - } - f := find(s[1+dot:], lo, hi) - if f == notFound { - break - } - - u := nodes[f] >> (nodesBitsTextOffset + nodesBitsTextLength) - icann = u&(1<<nodesBitsICANN-1) != 0 - u >>= nodesBitsICANN - u = children[u&(1<<nodesBitsChildren-1)] - lo = u & (1<<childrenBitsLo - 1) - u >>= childrenBitsLo - hi = u & (1<<childrenBitsHi - 1) - u >>= childrenBitsHi - switch u & (1<<childrenBitsNodeType - 1) { - case nodeTypeNormal: - suffix = 1 + dot - case nodeTypeException: - suffix = 1 + len(s) - break loop - } - u >>= childrenBitsNodeType - wildcard = u&(1<<childrenBitsWildcard-1) != 0 - - if dot == -1 { - break - } - s = s[:dot] - } - if suffix == len(domain) { - // If no rules match, the prevailing rule is "*". - return domain[1+strings.LastIndex(domain, "."):], icann - } - return domain[suffix:], icann -} - -const notFound uint32 = 1<<32 - 1 - -// find returns the index of the node in the range [lo, hi) whose label equals -// label, or notFound if there is no such node. The range is assumed to be in -// strictly increasing node label order. -func find(label string, lo, hi uint32) uint32 { - for lo < hi { - mid := lo + (hi-lo)/2 - s := nodeLabel(mid) - if s < label { - lo = mid + 1 - } else if s == label { - return mid - } else { - hi = mid - } - } - return notFound -} - -// nodeLabel returns the label for the i'th node. -func nodeLabel(i uint32) string { - x := nodes[i] - length := x & (1<<nodesBitsTextLength - 1) - x >>= nodesBitsTextLength - offset := x & (1<<nodesBitsTextOffset - 1) - return text[offset : offset+length] -} - -// EffectiveTLDPlusOne returns the effective top level domain plus one more -// label. For example, the eTLD+1 for "foo.bar.golang.org" is "golang.org". -func EffectiveTLDPlusOne(domain string) (string, error) { - suffix, _ := PublicSuffix(domain) - if len(domain) <= len(suffix) { - return "", fmt.Errorf("publicsuffix: cannot derive eTLD+1 for domain %q", domain) - } - i := len(domain) - len(suffix) - 1 - if domain[i] != '.' { - return "", fmt.Errorf("publicsuffix: invalid public suffix %q for domain %q", suffix, domain) - } - return domain[1+strings.LastIndex(domain[:i], "."):], nil -} |