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Fix session termination issue in proxy #5

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Fix session termination issue in proxy #5

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4b19038
Fix: Correct proxy mapping to prevent session termination
google-labs-jules[bot] Nov 7, 2025
e570647
Fix: Handle redirects to prevent session termination
google-labs-jules[bot] Nov 7, 2025
2565451
Fix: Comprehensive fix for session timeouts
google-labs-jules[bot] Nov 7, 2025
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27 changes: 24 additions & 3 deletions SimpleProxyServlet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ public void init() throws ServletException {

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String requestUri = req.getRequestURI();
String requestUri = req.getRequestURI().substring(req.getContextPath().length());
String queryString = req.getQueryString();
String fullRequestUrl = requestUri + (queryString != null ? "?" + queryString : "");

Expand Down Expand Up @@ -122,12 +122,33 @@ protected void service(HttpServletRequest req, HttpServletResponse resp) throws
resp.setStatus(responseCode);

// Forward response headers (excluding Transfer-Encoding)
String backendBaseUrl = getServletConfig().getInitParameter("baseUrl");
Map<String, List<String>> responseHeaders = conn.getHeaderFields();
for (Map.Entry<String, List<String>> entry : responseHeaders.entrySet()) {
String headerName = entry.getKey();
if (headerName != null && !headerName.equalsIgnoreCase("Transfer-Encoding")) {
for (String value : entry.getValue()) {
resp.addHeader(headerName, value);
if (headerName.equalsIgnoreCase("Location") && (responseCode == 301 || responseCode == 302 || responseCode == 303 || responseCode == 307 || responseCode == 308)) {
String location = entry.getValue().get(0);
if (location.startsWith(backendBaseUrl)) {
String proxyBaseUrl = req.getScheme() + "://" + req.getServerName();
if (req.getServerPort() != 80 && req.getServerPort() != 443) {
proxyBaseUrl += ":" + req.getServerPort();
}
proxyBaseUrl += req.getContextPath();
String newLocation = location.replace(backendBaseUrl, proxyBaseUrl);
resp.addHeader(headerName, newLocation);
} else {
resp.addHeader(headerName, location);
}
} else if (headerName.equalsIgnoreCase("Set-Cookie")) {
for (String cookie : entry.getValue()) {
String newCookie = cookie.replaceAll("(?i);\\s*Domain=[^;]*", "");
resp.addHeader(headerName, newCookie);
}
} else {
for (String value : entry.getValue()) {
resp.addHeader(headerName, value);
}
}
}
}
Expand Down
6 changes: 3 additions & 3 deletions apex/WEB-INF/web.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -32,15 +32,15 @@
</init-param>
<init-param>
<param-name>mapping.3.type</param-name>
<param-value>contains</param-value>
<param-value>prefix</param-value>
</init-param>
<init-param>
<param-name>mapping.3.path</param-name>
<param-value>apex/wwv_flow.ajax?</param-value>
<param-value>/apex/wwv_flow.ajax</param-value>
</init-param>
<init-param>
<param-name>mapping.3.url</param-name>
<param-value>${baseUrl}/apex/wwv_flow.ajax?</param-value>
<param-value>${baseUrl}/apex/wwv_flow.ajax</param-value>
</init-param>
<init-param>
<param-name>mapping.4.type</param-name>
Expand Down