@3846masa/http-signature/lib/createSignature.js

Create / Verify HTTP Signatures (https://tools.ietf.org/html/draft-cavage-http-signatures-10)

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const crypto_1 = __importDefault(require("crypto"));
const Headers_1 = require("./Headers");
const createSignatureString_1 = require("./createSignatureString");
function createSignature({ method, pathname, properties, privateKey, algorithm, keyId, headers: rawHeaders, }) {
    const headers = new Headers_1.Headers({
        ...rawHeaders,
        '(request-target)': `${method.toLowerCase()} ${pathname}`,
    });
    const sign = crypto_1.default.createSign('RSA-SHA256');
    sign.update(createSignatureString_1.createSignatureString({ headers, properties }));
    const result = {
        keyId,
        algorithm,
        headers: properties.join('\x20'),
        signature: sign.sign(privateKey).toString('base64'),
    };
    return [
        `keyId="${result.keyId}"`,
        `algorithm="${result.algorithm}"`,
        `headers="${result.headers}"`,
        `signature="${result.signature}"`,
    ].join(',');
}
exports.createSignature = createSignature;
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