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44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
// Source: https://github.com/distribution/distribution
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// Copyright 2014 https://github.com/distribution/distribution Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package challenge
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import (
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"net/url"
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"strings"
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)
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// FROM: https://golang.org/src/net/http/http.go
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// Given a string of the form "host", "host:port", or "[ipv6::address]:port",
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// return true if the string includes a port.
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func hasPort(s string) bool { return strings.LastIndex(s, ":") > strings.LastIndex(s, "]") }
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// FROM: http://golang.org/src/net/http/transport.go
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var portMap = map[string]string{
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"http": "80",
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"https": "443",
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}
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// canonicalAddr returns url.Host but always with a ":port" suffix
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// FROM: http://golang.org/src/net/http/transport.go
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func canonicalAddr(url *url.URL) string {
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addr := url.Host
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if !hasPort(addr) {
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return addr + ":" + portMap[url.Scheme]
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}
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return addr
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}
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