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hacks2learn/update_cookie_BambdaCA.java

Forked from irsdl/update_cookie_BambdaCA.java
Created July 3, 2025 10:55
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  1. @irsdl irsdl created this gist Jul 3, 2025.
    74 changes: 74 additions & 0 deletions update_cookie_BambdaCA.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,74 @@
    // 1. Build a map of updated cookies from Set-Cookie headers
    var updatedCookies = new java.util.HashMap<String, String>();

    for (var header : requestResponse.response().headers()) {
    if (header.name().equalsIgnoreCase("Set-Cookie")) {
    var cookiePair = header.value().split(";", 2)[0]; // only take name=value
    var parts = cookiePair.split("=", 2);
    if (parts.length == 2) {
    updatedCookies.put(parts[0].trim(), parts[1].trim());
    }
    }
    }

    if (updatedCookies.isEmpty()) {
    logging.logToOutput("No Set-Cookie headers found. Nothing to update.");
    return;
    }

    // 2. Get current Cookie header (if any) and parse
    var originalCookies = new java.util.LinkedHashMap<String, String>();
    var request = requestResponse.request();
    String existingCookieHeaderValue = null;

    for (var header : request.headers()) {
    if (header.name().equalsIgnoreCase("Cookie")) {
    existingCookieHeaderValue = header.value();
    var cookiePairs = header.value().split(";");
    for (var pair : cookiePairs) {
    var parts = pair.trim().split("=", 2);
    if (parts.length == 2) {
    originalCookies.put(parts[0].trim(), parts[1].trim());
    }
    }
    break;
    }
    }

    // 3. Apply updates to cookies
    boolean changed = false;
    for (var entry : updatedCookies.entrySet()) {
    var name = entry.getKey();
    var newVal = entry.getValue();

    if (!newVal.equals(originalCookies.get(name))) {
    originalCookies.put(name, newVal);
    changed = true;
    }
    }

    // 4. Add new cookies if they didn't exist
    for (var entry : updatedCookies.entrySet()) {
    if (!originalCookies.containsKey(entry.getKey())) {
    originalCookies.put(entry.getKey(), entry.getValue());
    changed = true;
    }
    }

    // 5. Only update request if something actually changed
    if (!changed) {
    logging.logToOutput("✅ Cookie header already up to date. No changes made.");
    return;
    }

    // 6. Rebuild Cookie header and create updated request
    var cookieHeaderValue = originalCookies.entrySet().stream()
    .map(entry -> entry.getKey() + "=" + entry.getValue())
    .collect(java.util.stream.Collectors.joining("; "));

    var newRequest = request.withRemovedHeader("Cookie")
    .withHeader("Cookie", cookieHeaderValue);

    // 7. Apply and log
    httpEditor.requestPane().set(newRequest);
    logging.logToOutput("✅ Cookie header updated: " + cookieHeaderValue);