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ce137452f9
CL 359634: use nontransitional processing in Go 1.18 CL 317731: fix int32 overflows Updates golang/go#46001 Updates golang/go#47510 Updates golang/go#28233 Change-Id: I2d9cdf5caa44f7c9b2834a256e7464b6edaae9ef Reviewed-on: https://go-review.googlesource.com/c/net/+/360381 Trust: Damien Neil <dneil@google.com> Run-TryBot: Damien Neil <dneil@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
// Copyright 2017 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 idna_test
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import (
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"fmt"
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"golang.org/x/net/idna"
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)
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func ExampleProfile() {
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// Raw Punycode has no restrictions and does no mappings.
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fmt.Println(idna.ToASCII(""))
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fmt.Println(idna.ToASCII("*.GÖPHER.com"))
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fmt.Println(idna.Punycode.ToASCII("*.GÖPHER.com"))
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// Rewrite IDN for lookup.
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fmt.Println(idna.Lookup.ToASCII(""))
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fmt.Println(idna.Lookup.ToASCII("www.GÖPHER.com"))
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// Convert an IDN to ASCII for registration purposes.
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// This reports an error if the input was illformed.
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fmt.Println(idna.Registration.ToASCII("www.GÖPHER.com"))
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fmt.Println(idna.Registration.ToASCII("www.göpher.com"))
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// Output:
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// <nil>
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// *.xn--GPHER-1oa.com <nil>
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// *.xn--GPHER-1oa.com <nil>
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// <nil>
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// www.xn--gpher-jua.com <nil>
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// www.xn--GPHER-1oa.com idna: disallowed rune U+0047
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// www.xn--gpher-jua.com <nil>
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}
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func ExampleNew() {
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var p *idna.Profile
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// Raw Punycode has no restrictions and does no mappings.
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p = idna.New()
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fmt.Println(p.ToASCII("*.faß.com"))
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// Do mappings. Note that star is not allowed in a DNS lookup.
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p = idna.New(
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idna.MapForLookup(),
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idna.Transitional(true)) // Map ß -> ss
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fmt.Println(p.ToASCII("*.faß.com"))
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// Lookup for registration. Also does not allow '*'.
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p = idna.New(idna.ValidateForRegistration())
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fmt.Println(p.ToUnicode("*.faß.com"))
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// Set up a profile maps for lookup, but allows wild cards.
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p = idna.New(
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idna.MapForLookup(),
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idna.Transitional(true), // Map ß -> ss
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idna.StrictDomainName(false)) // Set more permissive ASCII rules.
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fmt.Println(p.ToASCII("*.faß.com"))
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// Output:
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// *.xn--fa-hia.com <nil>
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// *.fass.com idna: disallowed rune U+002A
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// *.faß.com idna: disallowed rune U+002A
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// *.fass.com <nil>
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}
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