passport-fast-jwt/dist/helpers/parseAuthHeader.js

Passport authentication strategy for JSON Web Tokens using Fast-Jwt with support for EdDSA algorithm among others

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseAuthHeader = void 0;
const re = /(\S+)\s+(\S+)/;
/**
 * Parses an HTTP Authorization header value to extract the scheme and value.
 *
 * @param headerValue - The value of the Authorization header.
 * @returns An object containing the scheme and value if the header is valid, otherwise null.
 *
 * @example
 * parseAuthHeader("Bearer token123")
 * // Returns: { scheme: "Bearer", value: "token123" }
 *
 * parseAuthHeader("Basic dGVzdDp0ZXN0cGFzcw==")
 * // Returns: { scheme: "Basic", value: "dGVzdDp0ZXN0cGFzcw==" }
 *
 * parseAuthHeader(12345)
 * // Returns: null
 *
 * parseAuthHeader("InvalidHeader")
 * // Returns: null
 */
const parseAuthHeader = (headerValue) => {
    if (typeof headerValue !== "string") {
        return null;
    }
    const matches = headerValue.match(re);
    return matches && { scheme: matches[1], value: matches[2] };
};
exports.parseAuthHeader = parseAuthHeader;