How to add IBM API authentication to my code? - node.js

Question

Watson Assistant only supports one Webhook url. The issue is I have multiple nodes in Assistant that need to call different "Actions" I have hosted in IBM Cloud Functions. How can I do that? I tried to code and "Action" that uses the NPM Axios to call the other "Actions" but it fails as it lacks authentication.
Can someone tell me how to do it? I need the BASE URL to be athenticated via my IBM Cloud user API to grant access to my namespace.
this is the action I created that acts as a "Dispatch" for webhooks for Watson Assistant.
/**
*
* main() will be run when you invoke this action
*
* #param Cloud Functions actions accept a single parameter, which must be a JSON object.
*
* #return The output of this action, which must be a JSON object.
*
*
* Version: 1.5 beta (API HUB)
* Date: 24/04/2020
*
*/
const axios = require("axios");
// Change to your "BASE_URL". Type in the "Web Action" url without the name of it at the end. (must NOT contains the end '/')
// All "Actions" must be within the same namespace.
const BASE_URL = "https://jp-tok.functions.cloud.ibm.com/api/v1/web/
const POST = "post";
const GET = "get";
const ANY = "any";
const ALL = "all";
/* List all your API methods
1. method - API Name (This is the "Actions" name at the end of the Web Action URL or just the name)
2. attr - Attributes that should be available in the params object
3. rule - Currently supports 2 rules;
a) any - params is valid if "any" of the attributes are present
b) all - params is valid only if all attributes are present
4. httpmethod -Supports "POST" and "GET"
5. contains - Use for validating GET URL parameters
*/
const API_METHODS = [{
method: "Emails", // Change to your API method "Please put the function name located at the end of the url without "/" example "Email"
attr: ["client_email", "department_email"],
rule: ANY,
httpmethod: POST,
contains: null
},
{
method: "testapi", // If Watson needs to "GET" information to a user or athenticate a user
attr: [],
rule: ALL,
httpmethod: GET,
contains: "?ID="
},
]
// Returns true if the "params" is valid for the given API method
function isValidParam(method, params = {}) {
var attributes = [];
attributes = method.attr;
var isAny = method.rule === ANY;
for (let index = 0; index < attributes.length; index++) {
const attr = attributes[index];
if (isAny) {
if (Object.hasOwnProperty.call(params, attr)) {
return true;
}
} else {
if (!Object.hasOwnProperty.call(params, attr)) {
return false;
}
}
}
if (attributes.length === 0 && method.contains) {
return (JSON.stringify(params).indexOf(method.contains) > -1)
}
// if the code reaches this position, inverse of "isAny" should return the actual validation status.
return !isAny;
}
async function main(params) {
var result = [];
// Stop on first failure
// We iterate through all API methods. Because there can be more than one matching API for the given param type
for (let index = 0; index < API_METHODS.length; index++) {
const apiMethod = API_METHODS[index];
const url = BASE_URL + '/' + apiMethod.method;
if (isValidParam(apiMethod, params)) {
let response = apiMethod.httpmethod === POST ?
await axios.post(url, params) :
await axios.get(url + params); // Expects the parameter to be a string in this case like '?id=345343'
console.log(response);
result.push({
sent: true,
url: url,
request: params,
});
}
}
return {
sent: true,
details: result
};
}
// THe part of the code that needs to be copied to call other functions within the namespace.
/* const API_METHODS = [{
method: "Emails", // Change to your API method "Please put the function name located at the end of the url without "/" example "Email"
* attr: ["bamboo_email", "latitude_email", "latest_r_email", "department_email"],
rule: ANY,
httpmethod: POST,
contains: null
},
{
method: "testapi", // If Watson needs to "GET" information to a user or athenticate a user
attr: [],
rule: ALL,
httpmethod: GET,
contains: "?ID="
},
] */
When I run it in Watson Assistant I get the following error:
Webhook call response body exceeded [1050000] byte limit.response code: 200, request duration: 591, workspace_id: 150088ee-4e86-48f5-afd5-5b4e99d171f8, transaction_id: a8fca023d456d1113e05aaf1f59b1b2b, url_called: https://watson-url-fetch.watson-url-fetcher:443/post?url=https%3A%2F%2Fjp-tok.functions.cloud.ibm.com%2Fapi%2Fv1%2Fweb%2F23d61581-fa68-4979-afa2-0216c17c1b29%2FWatson+Assistant%2FAssistant+Dispatch.json (and there is 1 more error in the log)