bagman/dist/security-context.js

js/ts client for Bagman

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SecurityContext = void 0;
class SecurityContext {
    constructor({ apiKey, authorizer }) {
        if (!apiKey && !authorizer) {
            throw new Error("Please supply either API Key or Authorizer Config");
        }
        ;
        this.apiKey = apiKey;
        this.authorizer = authorizer;
    }
    resolve(resolver) {
        return __awaiter(this, void 0, void 0, function* () {
            if (resolver instanceof Function)
                return resolver();
            return resolver;
        });
    }
    isAuthorized() {
        return !!this.apiKey || !!this.apiToken;
    }
    token() {
        if (!this.isAuthorized())
            throw new Error("Please authorize client or provide API Key.");
        // priorize api token
        // authorized means either of them exists.
        return this.apiToken || this.apiKey;
    }
    authorize() {
        return __awaiter(this, void 0, void 0, function* () {
            if (!this.authorizer)
                throw new Error("No Authorizer Config is Provided.");
            const { scheme = "https", port = 80, method = 'GET', host, path, extraHeaders, extraParams, body } = this.authorizer;
            const params = extraParams && (yield this.resolve(extraParams));
            const url = new URL(`${path}${params ? `?${new URLSearchParams(params).toString()}` : ''}`, `${scheme}://${host}:${port}`);
            if (body && method === 'GET') {
                throw new Error(`Couldn't supply body to a GET Authorize Request. Please check your Authorizer Config.`);
            }
            const response = yield fetch(url, Object.assign({ method, headers: Object.assign({}, (extraHeaders && (yield this.resolve(extraHeaders)))) }, (body && { body: yield this.resolve(body) })));
            if (response.status < 200 || response.status > 299) {
                throw new Error("Authorization Failed. Please check config or authorizer endpoint.");
            }
            const { token } = yield response.json();
            this.apiToken = token;
        });
    }
}
exports.SecurityContext = SecurityContext;