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34 lines
1.1 KiB
34 lines
1.1 KiB
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import "net/url"
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// canonicalize takes a list of URLs and returns its canonicalized form, i.e.
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// remove anything but scheme, userinfo, host, path, and port.
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// It also removes all trailing slashes. Invalid URLs or URLs that do not
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// use protocol http or https are skipped.
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//
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// Example:
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// http://127.0.0.1:9200/?query=1 -> http://127.0.0.1:9200
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// http://127.0.0.1:9200/db1/ -> http://127.0.0.1:9200/db1
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func canonicalize(rawurls ...string) []string {
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var canonicalized []string
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for _, rawurl := range rawurls {
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u, err := url.Parse(rawurl)
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if err == nil {
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if u.Scheme == "http" || u.Scheme == "https" {
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// Trim trailing slashes
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for len(u.Path) > 0 && u.Path[len(u.Path)-1] == '/' {
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u.Path = u.Path[0 : len(u.Path)-1]
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}
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u.Fragment = ""
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u.RawQuery = ""
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canonicalized = append(canonicalized, u.String())
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}
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}
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}
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return canonicalized
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}
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