fastcomments-sdk/dist/sso/SecureSSOPayload.js

FastComments API Client - A SDK for interacting with the FastComments API

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SecureSSOPayloadBuilder = void 0;
const crypto_1 = __importDefault(require("crypto"));
/**
 * Handles secure SSO payload creation with HMAC-SHA256 verification
 */
class SecureSSOPayloadBuilder {
    constructor(apiKey, userData) {
        this.timestamp = Date.now();
        // Create JSON and base64 encode it
        const userDataJSON = JSON.stringify(userData);
        this.userDataJSONBase64 = Buffer.from(userDataJSON, 'utf8').toString('base64');
        // Create HMAC-SHA256 verification hash
        this.verificationHash = this.createVerificationHash(apiKey, this.timestamp, this.userDataJSONBase64);
    }
    /**
     * Creates HMAC-SHA256 verification hash
     */
    createVerificationHash(apiKey, timestamp, userDataJSONBase64) {
        const hmac = crypto_1.default.createHmac('sha256', apiKey);
        hmac.update(timestamp + userDataJSONBase64);
        return hmac.digest('hex');
    }
    /**
     * Gets the secure SSO payload
     */
    getPayload() {
        return {
            userDataJSONBase64: this.userDataJSONBase64,
            verificationHash: this.verificationHash,
            timestamp: this.timestamp
        };
    }
    /**
     * Gets the payload as a JSON string
     */
    toJSON() {
        return JSON.stringify(this.getPayload());
    }
}
exports.SecureSSOPayloadBuilder = SecureSSOPayloadBuilder;
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