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46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Polyform License
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// that can be found in the LICENSE file.
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package environ
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import (
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"strings"
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)
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// Proxy returns the http_proxy variables.
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func Proxy() map[string]string {
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environ := map[string]string{}
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if value := envAnyCase("no_proxy"); value != "" {
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environ["no_proxy"] = value
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environ["NO_PROXY"] = value
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}
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if value := envAnyCase("http_proxy"); value != "" {
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environ["http_proxy"] = value
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environ["HTTP_PROXY"] = value
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}
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if value := envAnyCase("https_proxy"); value != "" {
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environ["https_proxy"] = value
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environ["HTTPS_PROXY"] = value
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}
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if value := envAnyCase("all_proxy"); value != "" {
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environ["all_proxy"] = value
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environ["ALL_PROXY"] = value
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}
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return environ
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}
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// helper function returns the environment variable value
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// using a case-insenstive environment name.
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func envAnyCase(name string) (value string) {
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name = strings.ToUpper(name)
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if value := getenv(name); value != "" {
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return value
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}
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name = strings.ToLower(name)
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if value := getenv(name); value != "" {
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return value
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}
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return
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}
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