@getpassage/react-native/dist/jwt-utils.js

Passage React Native SDK for mobile authentication

import { logger } from "./logger";
// Cache for JWT decoding to avoid repeated parsing of the same token
let cachedToken = null;
let cachedDecoded = null;
/**
 * Decode a JWT token and extract its payload
 */
export function decodeJWT(token) {
    if (!token)
        return null;
    // Return cached result if token hasn't changed
    if (cachedToken === token && cachedDecoded) {
        return cachedDecoded;
    }
    try {
        const parts = token.split(".");
        if (parts.length !== 3) {
            logger.debug("[JWT_UTILS] Invalid JWT format - not 3 parts");
            return null;
        }
        let payload = parts[1];
        // Add padding if needed
        while (payload.length % 4 !== 0) {
            payload += "=";
        }
        const decodedBytes = atob(payload);
        const decodedPayload = JSON.parse(decodedBytes);
        // Cache the result
        cachedToken = token;
        cachedDecoded = decodedPayload;
        logger.debug("[JWT_UTILS] JWT decoded successfully", {
            hasSessionId: !!decodedPayload.sessionId,
            recordFlag: decodedPayload.record,
            debugFlag: decodedPayload.debug,
            clearCookiesFlag: decodedPayload.clearCookies,
        });
        return decodedPayload;
    }
    catch (error) {
        logger.debug("[JWT_UTILS] Failed to decode JWT", error);
        cachedToken = null;
        cachedDecoded = null;
        return null;
    }
}
/**
 * Extract session ID from JWT token
 */
export function extractSessionId(token) {
    const decoded = decodeJWT(token);
    return (decoded === null || decoded === void 0 ? void 0 : decoded.sessionId) || null;
}
/**
 * Extract record flag from JWT token
 */
export function extractRecordFlag(token) {
    const decoded = decodeJWT(token);
    return (decoded === null || decoded === void 0 ? void 0 : decoded.record) === true;
}
/**
 * Extract debug flag from JWT token
 */
export function extractDebugFlag(token) {
    const decoded = decodeJWT(token);
    return (decoded === null || decoded === void 0 ? void 0 : decoded.debug) === true;
}
/**
 * Extract clearCookies flag from JWT token
 */
export function extractClearCookiesFlag(token) {
    const decoded = decodeJWT(token);
    return (decoded === null || decoded === void 0 ? void 0 : decoded.clearCookies) === true;
}
/**
 * Clear cached token data
 */
export function clearJWTCache() {
    cachedToken = null;
    cachedDecoded = null;
}