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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
import { __extends } from "tslib";
import { BaseRequestPolicy, } from "./requestPolicy";
import { Constants } from "../util/constants";
import { URLBuilder } from "../url";
/**
* @internal
*/
export var noProxyList = loadNoProxy();
var byPassedList = new Map();
/**
* @internal
*/
export function getEnvironmentValue(name) {
if (process.env[name]) {
return process.env[name];
}
else if (process.env[name.toLowerCase()]) {
return process.env[name.toLowerCase()];
}
return undefined;
}
function loadEnvironmentProxyValue() {
if (!process) {
return undefined;
}
var httpsProxy = getEnvironmentValue(Constants.HTTPS_PROXY);
var allProxy = getEnvironmentValue(Constants.ALL_PROXY);
var httpProxy = getEnvironmentValue(Constants.HTTP_PROXY);
return httpsProxy || allProxy || httpProxy;
}
// Check whether the host of a given `uri` is in the noProxyList.
// If there's a match, any request sent to the same host won't have the proxy settings set.
// This implementation is a port of https://github.com/Azure/azure-sdk-for-net/blob/8cca811371159e527159c7eb65602477898683e2/sdk/core/Azure.Core/src/Pipeline/Internal/HttpEnvironmentProxy.cs#L210
function isBypassed(uri) {
if (noProxyList.length === 0) {
return false;
}
var host = URLBuilder.parse(uri).getHost();
if (byPassedList.has(host)) {
return byPassedList.get(host);
}
var isBypassedFlag = false;
for (var _i = 0, noProxyList_1 = noProxyList; _i < noProxyList_1.length; _i++) {
var pattern = noProxyList_1[_i];
if (pattern[0] === ".") {
// This should match either domain it self or any subdomain or host
// .foo.com will match foo.com it self or *.foo.com
if (host.endsWith(pattern)) {
isBypassedFlag = true;
}
else {
if (host.length === pattern.length - 1 && host === pattern.slice(1)) {
isBypassedFlag = true;
}
}
}
else {
if (host === pattern) {
isBypassedFlag = true;
}
}
}
byPassedList.set(host, isBypassedFlag);
return isBypassedFlag;
}
/**
* @internal
*/
export function loadNoProxy() {
var noProxy = getEnvironmentValue(Constants.NO_PROXY);
if (noProxy) {
return noProxy
.split(",")
.map(function (item) { return item.trim(); })
.filter(function (item) { return item.length; });
}
return [];
}
/**
* @internal
*/
function extractAuthFromUrl(url) {
var atIndex = url.indexOf("@");
if (atIndex === -1) {
return { urlWithoutAuth: url };
}
var schemeIndex = url.indexOf("://");
var authStart = schemeIndex !== -1 ? schemeIndex + 3 : 0;
var auth = url.substring(authStart, atIndex);
var colonIndex = auth.indexOf(":");
var hasPassword = colonIndex !== -1;
var username = hasPassword ? auth.substring(0, colonIndex) : auth;
var password = hasPassword ? auth.substring(colonIndex + 1) : undefined;
var urlWithoutAuth = url.substring(0, authStart) + url.substring(atIndex + 1);
return {
username: username,
password: password,
urlWithoutAuth: urlWithoutAuth,
};
}
export function getDefaultProxySettings(proxyUrl) {
if (!proxyUrl) {
proxyUrl = loadEnvironmentProxyValue();
if (!proxyUrl) {
return undefined;
}
}
var _a = extractAuthFromUrl(proxyUrl), username = _a.username, password = _a.password, urlWithoutAuth = _a.urlWithoutAuth;
var parsedUrl = URLBuilder.parse(urlWithoutAuth);
var schema = parsedUrl.getScheme() ? parsedUrl.getScheme() + "://" : "";
return {
host: schema + parsedUrl.getHost(),
port: Number.parseInt(parsedUrl.getPort() || "80"),
username: username,
password: password,
};
}
export function proxyPolicy(proxySettings) {
if (!proxySettings) {
proxySettings = getDefaultProxySettings();
}
return {
create: function (nextPolicy, options) {
return new ProxyPolicy(nextPolicy, options, proxySettings);
},
};
}
var ProxyPolicy = /** @class */ (function (_super) {
__extends(ProxyPolicy, _super);
function ProxyPolicy(nextPolicy, options, proxySettings) {
var _this = _super.call(this, nextPolicy, options) || this;
_this.proxySettings = proxySettings;
return _this;
}
ProxyPolicy.prototype.sendRequest = function (request) {
if (!request.proxySettings && !isBypassed(request.url)) {
request.proxySettings = this.proxySettings;
}
return this._nextPolicy.sendRequest(request);
};
return ProxyPolicy;
}(BaseRequestPolicy));
export { ProxyPolicy };
//# sourceMappingURL=proxyPolicy.js.map