private void handleAdminRequest() throws IOException {
SolrQueryResponse solrResp = new SolrQueryResponse();
SolrCore.preDecorateResponse(solrReq, solrResp);
handler.handleRequest(solrReq, solrResp);
SolrCore.postDecorateResponse(handler, solrReq, solrResp);
if (log.isInfoEnabled() && solrResp.getToLog().size() > 0) {
log.info(solrResp.getToLogAsString("[admin]"));
}
QueryResponseWriter respWriter =
SolrCore.DEFAULT_RESPONSE_WRITERS.get(solrReq.getParams().get(CommonParams.WT));
if (respWriter == null) respWriter = SolrCore.DEFAULT_RESPONSE_WRITERS.get("standard");
writeResponse(solrResp, respWriter, Method.getMethod(req.getMethod()));
}
/** This method processes the request. */
public Action call() throws IOException {
MDCLoggingContext.reset();
MDCLoggingContext.setNode(cores);
if (cores == null) {
sendError(503, "Server is shutting down or failed to initialize");
return RETURN;
}
if (solrDispatchFilter.abortErrorMessage != null) {
sendError(500, solrDispatchFilter.abortErrorMessage);
return RETURN;
}
try {
init();
/* Authorize the request if
1. Authorization is enabled, and
2. The requested resource is not a known static file
*/
if (cores.getAuthorizationPlugin() != null && shouldAuthorize()) {
AuthorizationContext context = getAuthCtx();
log.debug("AuthorizationContext : {}", context);
AuthorizationResponse authResponse = cores.getAuthorizationPlugin().authorize(context);
if (authResponse.statusCode == AuthorizationResponse.PROMPT.statusCode) {
Map<String, String> headers =
(Map) getReq().getAttribute(AuthenticationPlugin.class.getName());
if (headers != null) {
for (Map.Entry<String, String> e : headers.entrySet())
response.setHeader(e.getKey(), e.getValue());
}
log.debug(
"USER_REQUIRED " + req.getHeader("Authorization") + " " + req.getUserPrincipal());
}
if (!(authResponse.statusCode == HttpStatus.SC_ACCEPTED)
&& !(authResponse.statusCode == HttpStatus.SC_OK)) {
log.info(
"USER_REQUIRED auth header {} context : {} ",
req.getHeader("Authorization"),
context);
sendError(
authResponse.statusCode,
"Unauthorized request, Response code: " + authResponse.statusCode);
return RETURN;
}
}
HttpServletResponse resp = response;
switch (action) {
case ADMIN:
handleAdminRequest();
return RETURN;
case REMOTEQUERY:
remoteQuery(coreUrl + path, resp);
return RETURN;
case PROCESS:
final Method reqMethod = Method.getMethod(req.getMethod());
HttpCacheHeaderUtil.setCacheControlHeader(config, resp, reqMethod);
// unless we have been explicitly told not to, do cache validation
// if we fail cache validation, execute the query
if (config.getHttpCachingConfig().isNever304()
|| !HttpCacheHeaderUtil.doCacheHeaderValidation(solrReq, req, reqMethod, resp)) {
SolrQueryResponse solrRsp = new SolrQueryResponse();
/* even for HEAD requests, we need to execute the handler to
* ensure we don't get an error (and to make sure the correct
* QueryResponseWriter is selected and we get the correct
* Content-Type)
*/
SolrRequestInfo.setRequestInfo(new SolrRequestInfo(solrReq, solrRsp));
execute(solrRsp);
HttpCacheHeaderUtil.checkHttpCachingVeto(solrRsp, resp, reqMethod);
Iterator<Map.Entry<String, String>> headers = solrRsp.httpHeaders();
while (headers.hasNext()) {
Map.Entry<String, String> entry = headers.next();
resp.addHeader(entry.getKey(), entry.getValue());
}
QueryResponseWriter responseWriter = core.getQueryResponseWriter(solrReq);
if (invalidStates != null)
solrReq.getContext().put(CloudSolrClient.STATE_VERSION, invalidStates);
writeResponse(solrRsp, responseWriter, reqMethod);
}
return RETURN;
default:
return action;
}
} catch (Throwable ex) {
sendError(ex);
// walk the the entire cause chain to search for an Error
Throwable t = ex;
while (t != null) {
if (t instanceof Error) {
if (t != ex) {
log.error(
"An Error was wrapped in another exception - please report complete stacktrace on SOLR-6161",
ex);
}
throw (Error) t;
}
t = t.getCause();
}
return RETURN;
} finally {
MDCLoggingContext.clear();
}
}