/**
* Called primarily from HTTPMethod to do the bulk of the execution. Assumes HTTPMethod has
* inserted its headers into request.
*
* @param method
* @param methoduri
* @param rb
* @return Request+Response pair
* @throws HTTPException
*/
ExecState execute(HTTPMethod method, URI methoduri, RequestBuilder rb) throws HTTPException {
this.execution = new ExecState();
this.requestURI = methoduri;
AuthScope methodscope = HTTPAuthUtil.uriToAuthScope(methoduri);
AuthScope target = HTTPAuthUtil.authscopeUpgrade(this.scope, methodscope);
synchronized (this) { // keep coverity happy
// Merge Settings;
Settings merged = HTTPUtil.merge(globalsettings, localsettings);
if (!this.cachevalid) {
RequestConfig.Builder rcb = RequestConfig.custom();
this.cachedconfig = configureRequest(rcb, merged);
HttpClientBuilder cb = HttpClients.custom();
configClient(cb, merged);
setAuthenticationAndProxy(cb);
this.cachedclient = cb.build();
rb.setConfig(this.cachedconfig);
this.cachevalid = true;
}
}
this.execution.request = (HttpRequestBase) rb.build();
try {
HttpHost targethost = HTTPAuthUtil.authscopeToHost(target);
this.execution.response =
cachedclient.execute(targethost, this.execution.request, this.sessioncontext);
} catch (IOException ioe) {
throw new HTTPException(ioe);
}
return this.execution;
}
public synchronized void shutdown() {
if (sessions != null) {
sessions.clear();
sessions = null;
}
if (httpClient != null) {
try {
httpClient.close();
} catch (IOException e) {
log.warn("Failed to close httpClient object due to: " + e);
} finally {
httpClient = null;
}
} else {
log.error("Already shutdown.");
}
}
public void postJsonToPipeline(String endpoint, List docs, int requestId) throws Exception {
FusionSession fusionSession = null;
long currTime = System.nanoTime();
synchronized (this) {
fusionSession = sessions.get(endpoint);
// ensure last request within the session timeout period, else reset the session
if (fusionSession == null
|| (currTime - fusionSession.sessionEstablishedAt) > maxNanosOfInactivity) {
log.info(
"Fusion session is likely expired (or soon will be) for endpoint "
+ endpoint
+ ", "
+ "pre-emptively re-setting this session before processing request "
+ requestId);
fusionSession = resetSession(endpoint);
if (fusionSession == null)
throw new IllegalStateException(
"Failed to re-connect to "
+ endpoint
+ " after session loss when processing request "
+ requestId);
}
}
HttpEntity entity = null;
try {
HttpPost postRequest = new HttpPost(endpoint);
// stream the json directly to the HTTP output
EntityTemplate et = new EntityTemplate(new JacksonContentProducer(jsonObjectMapper, docs));
et.setContentType("application/json; charset=utf-8");
et.setContentEncoding("gzip"); // StandardCharsets.UTF_8.name());
postRequest.setEntity(et); // new BufferedHttpEntity(et));
HttpClientContext context = HttpClientContext.create();
context.setCookieStore(cookieStore);
HttpResponse response = httpClient.execute(postRequest, context);
entity = response.getEntity();
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode == 401) {
// unauth'd - session probably expired? retry to establish
log.warn(
"Unauthorized error (401) when trying to send request "
+ requestId
+ " to Fusion at "
+ endpoint
+ ", will re-try to establish session");
// re-establish the session and re-try the request
try {
EntityUtils.consume(entity);
} catch (Exception ignore) {
log.warn("Failed to consume entity due to: " + ignore);
} finally {
entity = null;
}
synchronized (this) {
fusionSession = resetSession(endpoint);
if (fusionSession == null)
throw new IllegalStateException(
"After re-establishing session when processing request "
+ requestId
+ ", endpoint "
+ endpoint
+ " is no longer active! Try another endpoint.");
}
log.info(
"Going to re-try request "
+ requestId
+ " after session re-established with "
+ endpoint);
response = httpClient.execute(postRequest, context);
entity = response.getEntity();
statusCode = response.getStatusLine().getStatusCode();
if (statusCode == 200 || statusCode == 204) {
log.info(
"Re-try request " + requestId + " after session timeout succeeded for: " + endpoint);
} else {
raiseFusionServerException(endpoint, entity, statusCode, response, requestId);
}
} else if (statusCode != 200 && statusCode != 204) {
raiseFusionServerException(endpoint, entity, statusCode, response, requestId);
} else {
// OK!
}
} finally {
if (entity != null) {
try {
EntityUtils.consume(entity);
} catch (Exception ignore) {
log.warn("Failed to consume entity due to: " + ignore);
} finally {
entity = null;
}
}
}
}
protected FusionSession establishSession(String url, String user, String password, String realm)
throws Exception {
FusionSession fusionSession = new FusionSession();
if (realm != null) {
int at = url.indexOf("/api");
String proxyUrl = url.substring(0, at);
String sessionApi = proxyUrl + "/api/session?realmName=" + realm;
String jsonString =
"{\"username\":\"" + user + "\", \"password\":\"" + password + "\"}"; // TODO: ugly!
URL sessionApiUrl = new URL(sessionApi);
String sessionHost = sessionApiUrl.getHost();
try {
clearCookieForHost(sessionHost);
} catch (Exception exc) {
log.warn("Failed to clear session cookie for " + sessionHost + " due to: " + exc);
}
HttpPost postRequest = new HttpPost(sessionApiUrl.toURI());
postRequest.setEntity(
new StringEntity(
jsonString, ContentType.create("application/json", StandardCharsets.UTF_8)));
HttpClientContext context = HttpClientContext.create();
context.setCookieStore(cookieStore);
HttpResponse response = httpClient.execute(postRequest, context);
HttpEntity entity = response.getEntity();
try {
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != 200 && statusCode != 201 && statusCode != 204) {
String body = extractResponseBodyText(entity);
throw new SolrException(
SolrException.ErrorCode.getErrorCode(statusCode),
"POST credentials to Fusion Session API ["
+ sessionApi
+ "] failed due to: "
+ response.getStatusLine()
+ ": "
+ body);
} else if (statusCode == 401) {
// retry in case this is an expired error
String body = extractResponseBodyText(entity);
if (body != null && body.indexOf("session-idle-timeout") != -1) {
EntityUtils.consume(
entity); // have to consume the previous entity before re-trying the request
log.warn(
"Received session-idle-timeout error from Fusion Session API, re-trying to establish a new session to "
+ url);
try {
clearCookieForHost(sessionHost);
} catch (Exception exc) {
log.warn("Failed to clear session cookie for " + sessionHost + " due to: " + exc);
}
response = httpClient.execute(postRequest, context);
entity = response.getEntity();
statusCode = response.getStatusLine().getStatusCode();
if (statusCode != 200 && statusCode != 201 && statusCode != 204) {
body = extractResponseBodyText(entity);
throw new SolrException(
SolrException.ErrorCode.getErrorCode(statusCode),
"POST credentials to Fusion Session API ["
+ sessionApi
+ "] failed due to: "
+ response.getStatusLine()
+ ": "
+ body);
}
}
}
} finally {
if (entity != null) EntityUtils.consume(entity);
}
log.info(
"Established secure session with Fusion Session API on "
+ url
+ " for user "
+ user
+ " in realm "
+ realm);
}
fusionSession.sessionEstablishedAt = System.nanoTime();
URL fusionUrl = new URL(url);
String hostAndPort = fusionUrl.getHost() + ":" + fusionUrl.getPort();
return fusionSession;
}
