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94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
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// Copyright 2019 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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package publicsuffix_test
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import (
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"fmt"
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"strings"
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"golang.org/x/net/publicsuffix"
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)
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// This example demonstrates looking up several domains' eTLDs (effective Top
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// Level Domains) in the PSL (Public Suffix List) snapshot. For each eTLD, the
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// example also determines whether the eTLD is ICANN managed, privately
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// managed, or unmanaged (not explicitly in the PSL).
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//
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// See https://publicsuffix.org/ for the underlying PSL data.
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func ExamplePublicSuffix_manager() {
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domains := []string{
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"amazon.co.uk",
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"books.amazon.co.uk",
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"www.books.amazon.co.uk",
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"amazon.com",
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"",
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"example0.debian.net",
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"example1.debian.org",
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"",
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"golang.dev",
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"golang.net",
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"play.golang.org",
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"gophers.in.space.museum",
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"",
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"0emm.com",
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"a.0emm.com",
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"b.c.d.0emm.com",
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"",
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"there.is.no.such-tld",
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"",
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// Examples from the PublicSuffix function's documentation.
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"foo.org",
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"foo.co.uk",
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"foo.dyndns.org",
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"foo.blogspot.co.uk",
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"cromulent",
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}
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for _, domain := range domains {
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if domain == "" {
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fmt.Println(">")
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continue
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}
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eTLD, icann := publicsuffix.PublicSuffix(domain)
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// Only ICANN managed domains can have a single label. Privately
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// managed domains must have multiple labels.
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manager := "Unmanaged"
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if icann {
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manager = "ICANN Managed"
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} else if strings.IndexByte(eTLD, '.') >= 0 {
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manager = "Privately Managed"
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}
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fmt.Printf("> %24s%16s is %s\n", domain, eTLD, manager)
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}
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// Output:
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// > amazon.co.uk co.uk is ICANN Managed
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// > books.amazon.co.uk co.uk is ICANN Managed
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// > www.books.amazon.co.uk co.uk is ICANN Managed
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// > amazon.com com is ICANN Managed
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// >
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// > example0.debian.net debian.net is Privately Managed
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// > example1.debian.org org is ICANN Managed
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// >
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// > golang.dev dev is ICANN Managed
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// > golang.net net is ICANN Managed
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// > play.golang.org org is ICANN Managed
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// > gophers.in.space.museum space.museum is ICANN Managed
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// >
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// > 0emm.com com is ICANN Managed
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// > a.0emm.com a.0emm.com is Privately Managed
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// > b.c.d.0emm.com d.0emm.com is Privately Managed
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// >
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// > there.is.no.such-tld such-tld is Unmanaged
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// >
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// > foo.org org is ICANN Managed
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// > foo.co.uk co.uk is ICANN Managed
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// > foo.dyndns.org dyndns.org is Privately Managed
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// > foo.blogspot.co.uk blogspot.co.uk is Privately Managed
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// > cromulent cromulent is Unmanaged
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}
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