209 lines
9.0 KiB
JavaScript
209 lines
9.0 KiB
JavaScript
"use strict";
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/*
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* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0.
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*/
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.extractRegionFromEndpoint = exports.buildMqtt5FinalUsername = exports.canonicalizeCustomAuthConfig = exports.canonicalizeCustomAuthTokenSignature = exports.populate_username_string_with_custom_authorizer = exports.is_string_and_not_empty = exports.add_to_username_parameter = void 0;
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/**
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*
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* A module containing miscellaneous functionality that is shared across both native and browser for aws_iot
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*
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* @packageDocumentation
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* @module aws_iot
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*/
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var platform = __importStar(require("./platform"));
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var utils = __importStar(require("./utils"));
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/**
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* A helper function to add parameters to the username in with_custom_authorizer function
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*
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* @internal
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*/
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function add_to_username_parameter(current_username, parameter_value, parameter_pre_text) {
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var return_string = current_username;
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if (return_string.indexOf("?") != -1) {
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return_string += "&";
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}
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else {
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return_string += "?";
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}
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if (parameter_value.indexOf(parameter_pre_text) != -1) {
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return return_string + parameter_value;
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}
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else {
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return return_string + parameter_pre_text + parameter_value;
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}
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}
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exports.add_to_username_parameter = add_to_username_parameter;
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/**
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* A helper function to see if a string is not null, is defined, and is not an empty string
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*
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* @internal
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*/
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function is_string_and_not_empty(item) {
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return item != undefined && typeof (item) == 'string' && item != "";
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}
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exports.is_string_and_not_empty = is_string_and_not_empty;
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/**
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* A helper function to populate the username with the Custom Authorizer fields
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* @param current_username the current username
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* @param input_username the username to add - can be an empty string to skip
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* @param input_authorizer the name of the authorizer to add - can be an empty string to skip
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* @param input_signature the name of the signature to add - can be an empty string to skip
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* @param input_builder_username the username from the MQTT builder
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* @param input_token_key_name the token key name
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* @param input_token_value the token key value
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* @returns The finished username with the additions added to it
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*
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* @internal
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*/
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function populate_username_string_with_custom_authorizer(current_username, input_username, input_authorizer, input_signature, input_builder_username, input_token_key_name, input_token_value) {
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var username_string = "";
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if (current_username) {
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username_string += current_username;
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}
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if (is_string_and_not_empty(input_username) == false) {
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if (is_string_and_not_empty(input_builder_username) && input_builder_username) {
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username_string += input_builder_username;
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}
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}
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else {
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username_string += input_username;
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}
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if (is_string_and_not_empty(input_authorizer) && input_authorizer) {
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username_string = add_to_username_parameter(username_string, input_authorizer, "x-amz-customauthorizer-name=");
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}
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if (is_string_and_not_empty(input_signature) || is_string_and_not_empty(input_token_value) || is_string_and_not_empty(input_token_key_name)) {
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if (!input_token_value || !input_token_key_name || !input_signature) {
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throw new Error("Signing-based custom authentication requires all token-related properties to be set");
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}
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}
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if (is_string_and_not_empty(input_signature) && input_signature) {
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username_string = add_to_username_parameter(username_string, input_signature, "x-amz-customauthorizer-signature=");
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}
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if (is_string_and_not_empty(input_token_value) && is_string_and_not_empty(input_token_key_name)) {
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// @ts-ignore
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username_string = add_to_username_parameter(username_string, input_token_value, input_token_key_name + "=");
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}
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return username_string;
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}
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exports.populate_username_string_with_custom_authorizer = populate_username_string_with_custom_authorizer;
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;
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/** @internal */
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function canonicalizeCustomAuthTokenSignature(signature) {
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if (signature === undefined || signature == null) {
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return undefined;
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}
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var hasPercent = signature.indexOf("%") != -1;
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if (hasPercent) {
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return signature;
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}
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else {
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return encodeURIComponent(signature);
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}
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}
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exports.canonicalizeCustomAuthTokenSignature = canonicalizeCustomAuthTokenSignature;
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/** @internal */
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function canonicalizeCustomAuthConfig(config) {
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var processedConfig = {};
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utils.set_defined_property(processedConfig, "authorizerName", config.authorizerName);
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utils.set_defined_property(processedConfig, "username", config.username);
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utils.set_defined_property(processedConfig, "password", config.password);
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utils.set_defined_property(processedConfig, "tokenKeyName", config.tokenKeyName);
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utils.set_defined_property(processedConfig, "tokenValue", config.tokenValue);
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utils.set_defined_property(processedConfig, "tokenSignature", canonicalizeCustomAuthTokenSignature(config.tokenSignature));
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return processedConfig;
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}
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exports.canonicalizeCustomAuthConfig = canonicalizeCustomAuthConfig;
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/** @internal */
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function addParam(paramName, paramValue, paramSet) {
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if (paramValue) {
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paramSet.push([paramName, paramValue]);
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}
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}
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/**
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* Builds the final value for the CONNECT packet's username property based on AWS IoT custom auth configuration
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* and SDK metrics properties.
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*
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* @param customAuthConfig intended AWS IoT custom auth client configuration
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*
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* @internal
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*/
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function buildMqtt5FinalUsername(customAuthConfig) {
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var path = "";
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var paramList = [];
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if (customAuthConfig) {
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/* If we're using token-signing authentication, then all token properties must be set */
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var usingSigning = false;
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if (customAuthConfig.tokenValue || customAuthConfig.tokenKeyName || customAuthConfig.tokenSignature) {
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usingSigning = true;
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if (!customAuthConfig.tokenValue || !customAuthConfig.tokenKeyName || !customAuthConfig.tokenSignature) {
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throw new Error("Token-based custom authentication requires all token-related properties to be set");
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}
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}
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var username = customAuthConfig.username;
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var pathSplit = (username !== null && username !== void 0 ? username : "").split("?");
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var params = pathSplit.slice(1);
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path = pathSplit[0];
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if (params.length > 1) {
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throw new Error("Custom auth username property value is invalid");
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}
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else if (params.length == 1) {
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params[0].split("&").forEach(function (keyValue, index, array) {
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var _a;
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var kvPair = keyValue.split("=");
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paramList.push([kvPair[0], (_a = kvPair[1]) !== null && _a !== void 0 ? _a : ""]);
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});
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}
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addParam("x-amz-customauthorizer-name", customAuthConfig.authorizerName, paramList);
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if (usingSigning) {
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// @ts-ignore verified earlier
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addParam(customAuthConfig.tokenKeyName, customAuthConfig.tokenValue, paramList);
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addParam("x-amz-customauthorizer-signature", customAuthConfig.tokenSignature, paramList);
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}
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}
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paramList.push(["SDK", "NodeJSv2"]);
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paramList.push(["Version", platform.crt_version()]);
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return (path !== null && path !== void 0 ? path : "") + "?" + paramList.map(function (value) { return "".concat(value[0], "=").concat(value[1]); }).join("&");
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}
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exports.buildMqtt5FinalUsername = buildMqtt5FinalUsername;
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/**
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* Attempts to determine the AWS region associated with an endpoint.
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*
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* @param endpoint endpoint to compute the region for
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*
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* @internal
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*/
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function extractRegionFromEndpoint(endpoint) {
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var regexpRegion = /^[\w\-]+\.[\w\-]+\.([\w+\-]+)\./;
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var match = endpoint.match(regexpRegion);
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if (match) {
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return match[1];
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}
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throw new Error("AWS region could not be extracted from endpoint. Use 'region' property on WebsocketConfig to set manually.");
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}
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exports.extractRegionFromEndpoint = extractRegionFromEndpoint;
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//# sourceMappingURL=aws_iot_shared.js.map
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