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SessionDataContainer.java
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SessionDataContainer.java
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package org.ovirt.engine.core.bll.aaa;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import javax.annotation.PostConstruct;
import javax.enterprise.concurrent.ManagedScheduledExecutorService;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.commons.lang.time.DateUtils;
import org.ovirt.engine.api.extensions.aaa.Acct;
import org.ovirt.engine.core.aaa.AcctUtils;
import org.ovirt.engine.core.aaa.AuthenticationProfile;
import org.ovirt.engine.core.aaa.AuthenticationProfileRepository;
import org.ovirt.engine.core.aaa.SsoOAuthServiceUtils;
import org.ovirt.engine.core.common.businessentities.EngineSession;
import org.ovirt.engine.core.common.businessentities.aaa.DbUser;
import org.ovirt.engine.core.common.config.Config;
import org.ovirt.engine.core.common.config.ConfigValues;
import org.ovirt.engine.core.dao.EngineSessionDao;
import org.ovirt.engine.core.utils.threadpool.ThreadPools;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Singleton
public class SessionDataContainer {
SsoSessionValidator ssoSessionValidator = new SsoSessionValidator();
@Inject
SsoSessionUtils ssoSessionUtils;
@Inject
@ThreadPools(ThreadPools.ThreadPoolType.EngineScheduledThreadPool)
private ManagedScheduledExecutorService scheduledExecutorService;
private static class SessionInfo {
private ConcurrentMap<String, Object> contentOfSession = new ConcurrentHashMap<>();
}
protected Logger log = LoggerFactory.getLogger(getClass());
private ConcurrentMap<String, SessionInfo> sessionInfoMap = new ConcurrentHashMap<>();
private static final String USER_PARAMETER_NAME = "user";
private static final String SOURCE_IP = "source_ip";
private static final String PROFILE_PARAMETER_NAME = "profile";
private static final String HARD_LIMIT_PARAMETER_NAME = "hard_limit";
private static final String SOFT_LIMIT_PARAMETER_NAME = "soft_limit";
private static final String ENGINE_SESSION_SEQ_ID = "engine_session_seq_id";
private static final String ENGINE_SESSION_ID = "engine_session_id";
private static final String PRINCIPAL_PARAMETER_NAME = "username";
private static final String SSO_ACCESS_TOKEN_PARAMETER_NAME = "sso_access_token";
private static final String SSO_IS_OVIRT_APP_API_SCOPE_PARAMETER_NAME = "sso_is_ovirt_app_api_scope";
private static final String SESSION_VALID_PARAMETER_NAME = "session_valid";
private static final String SOFT_LIMIT_INTERVAL_PARAMETER_NAME = "soft_limit_interval";
private static final String SESSION_START_TIME = "session_start_time";
private static final String SESSION_LAST_ACTIVE_TIME = "session_last_active_time";
private static final String OVIRT_APP_API_SCOPE = "ovirt-app-api";
private static final String OVIRT_APP_ADMIN_SCOPE = "ovirt-app-admin";
private static final String OVIRT_APP_PORTAL_SCOPE = "ovirt-app-portal";
@Inject
private EngineSessionDao engineSessionDao;
@PostConstruct
private void init() {
scheduledExecutorService.scheduleAtFixedRate(this::cleanExpiredUsersSessions,
1,
1, TimeUnit.MINUTES);
}
public String generateEngineSessionId() {
String engineSessionId;
byte[] s = new byte[64];
new SecureRandom().nextBytes(s);
engineSessionId = new Base64(0).encodeToString(s);
return engineSessionId;
}
/**
* Get data by session and internal key
*
* @param sessionId
* - id of session
* @param key
* - the internal key
* @param refresh
* - if perform refresh of session
*/
public final Object getData(String sessionId, String key, boolean refresh) {
if (sessionId == null) {
return null;
}
SessionInfo sessionInfo = getSessionInfo(sessionId);
Object value = null;
if (sessionInfo != null) {
if (refresh) {
refresh(sessionInfo);
}
value = sessionInfo.contentOfSession.get(key);
}
return value;
}
public final void setData(String sessionId, String key, Object value) {
SessionInfo sessionInfo = getSessionInfo(sessionId);
if (sessionInfo == null) {
sessionInfo = new SessionInfo();
sessionInfo.contentOfSession.put(ENGINE_SESSION_ID, sessionId);
// Add default soft-limit interval for new sessions
sessionInfo.contentOfSession.put(SOFT_LIMIT_INTERVAL_PARAMETER_NAME,
Config.<Integer> getValue(ConfigValues.UserSessionTimeOutInterval));
SessionInfo oldSessionInfo = sessionInfoMap.putIfAbsent(sessionId, sessionInfo);
if (oldSessionInfo != null) {
sessionInfo = oldSessionInfo;
}
}
sessionInfo.contentOfSession.put(key, value);
}
private SessionInfo getSessionInfo(String sessionId) {
return sessionInfoMap.get(sessionId);
}
private void persistEngineSession(String sessionId) {
SessionInfo sessionInfo = getSessionInfo(sessionId);
if (sessionInfo != null) {
sessionInfo.contentOfSession.put(ENGINE_SESSION_SEQ_ID,
engineSessionDao.save(new EngineSession(getUser(sessionId, false), sessionId, getSourceIp(sessionId))));
setSessionStartTime(sessionId);
}
}
public long getEngineSessionSeqId(String sessionId) {
if (!sessionInfoMap.containsKey(sessionId)) {
throw new RuntimeException("Session not found for sessionId " + sessionId);
}
return (Long) sessionInfoMap.get(sessionId).contentOfSession.get(ENGINE_SESSION_SEQ_ID);
}
public String getSessionIdBySeqId(long sessionSequenceId) {
String sessionId = null;
for (SessionInfo sessionInfo : sessionInfoMap.values()) {
if (Long.valueOf(sessionSequenceId).equals(sessionInfo.contentOfSession.get(ENGINE_SESSION_SEQ_ID))) {
sessionId = (String) sessionInfo.contentOfSession.get(ENGINE_SESSION_ID);
break;
}
}
return sessionId;
}
public String getSessionIdBySsoAccessToken(String ssoToken) {
String sessionId = null;
if (StringUtils.isNotEmpty(ssoToken)) {
for (SessionInfo sessionInfo : sessionInfoMap.values()) {
if (ssoToken.equals(sessionInfo.contentOfSession.get(SSO_ACCESS_TOKEN_PARAMETER_NAME))) {
sessionId = (String) sessionInfo.contentOfSession.get(ENGINE_SESSION_ID);
break;
}
}
}
return sessionId;
}
public void cleanupEngineSessionsOnStartup() {
engineSessionDao.removeAll();
}
public void cleanupEngineSessionsForSsoAccessToken(String ssoAccessToken) {
if (StringUtils.isNotEmpty(ssoAccessToken)) {
Iterator<Entry<String, SessionInfo>> iter = sessionInfoMap.entrySet().iterator();
while (iter.hasNext()) {
Entry<String, SessionInfo> entry = iter.next();
ConcurrentMap<String, Object> sessionMap = entry.getValue().contentOfSession;
if (ssoAccessToken.equals(sessionMap.get(SSO_ACCESS_TOKEN_PARAMETER_NAME))) {
removeSessionImpl(entry.getKey(),
Acct.ReportReason.PRINCIPAL_SESSION_EXPIRED,
"Session has expired for principal %1$s",
getUserName(entry.getKey()));
}
}
}
}
/**
* Remove the cached data of current session
*
* @param sessionId
* - id of current session
*/
public final void removeSessionOnLogout(String sessionId) {
removeSessionImpl(sessionId,
Acct.ReportReason.PRINCIPAL_LOGOUT,
"Prinicial %1$s has performed logout",
getUserName(sessionId));
}
/**
* Will run the process of cleaning expired sessions.
*/
public final void cleanExpiredUsersSessions() {
try {
cleanExpiredUsersSessionsImpl();
} catch (Throwable t) {
log.error("Exception in cleanExpiredUsersSessions: {}", ExceptionUtils.getRootCauseMessage(t));
log.debug("Exception", t);
}
}
public final void cleanExpiredUsersSessionsImpl() {
Date now = new Date();
Iterator<Entry<String, SessionInfo>> iter = sessionInfoMap.entrySet().iterator();
Set<String> tokens = sessionInfoMap.values().stream()
.map(sessionInfo -> (String) sessionInfo.contentOfSession.get(SSO_ACCESS_TOKEN_PARAMETER_NAME))
.collect(Collectors.toSet());
// retrieve session statues from SSO
Map<String, Boolean> sessionStatuses = ssoSessionValidator.getSessionStatuses(tokens);
while (iter.hasNext()) {
Entry<String, SessionInfo> entry = iter.next();
ConcurrentMap<String, Object> sessionMap = entry.getValue().contentOfSession;
Date hardLimit = (Date) sessionMap.get(HARD_LIMIT_PARAMETER_NAME);
Date softLimit = (Date) sessionMap.get(SOFT_LIMIT_PARAMETER_NAME);
String token = (String) sessionMap.get(SSO_ACCESS_TOKEN_PARAMETER_NAME);
// if the session was created after the tokens statuses were retrieved from the server, the token will not
// have a session status in the sessionStatuses map. The session for the token will be checked and cleaned
// in the next iteration.
if (!sessionStatuses.containsKey(token)) {
continue;
}
boolean sessionValid = StringUtils.isEmpty(token) ? false : sessionStatuses.get(token);
if (((hardLimit != null && hardLimit.before(now)) || (softLimit != null && softLimit.before(now))) ||
!(boolean) sessionMap.get(SESSION_VALID_PARAMETER_NAME) ||
!sessionValid) {
removeSessionImpl(entry.getKey(),
Acct.ReportReason.PRINCIPAL_SESSION_EXPIRED,
"Session has expired for principal %1$s",
getUserName(entry.getKey()));
if (sessionValid) {
SsoOAuthServiceUtils.revoke((String) sessionMap.get(SSO_ACCESS_TOKEN_PARAMETER_NAME), "");
}
}
}
}
/**
* Sets the user for the given session Id
* @param sessionId The session to set
* @param user The user to set
*/
public final void setUser(String sessionId, DbUser user) {
setData(sessionId, USER_PARAMETER_NAME, user);
setSessionValid(sessionId, true);
persistEngineSession(sessionId);
}
public final void setSessionValid(String sessionId, boolean valid) {
setData(sessionId, SESSION_VALID_PARAMETER_NAME, valid);
}
public final void setSessionStartTime(String sessionId) {
setData(sessionId, SESSION_START_TIME, new Date());
}
public final Date getSessionStartTime(String sessionId) {
return (Date) getData(sessionId, SESSION_START_TIME, false);
}
public final void updateSessionLastActiveTime(String sessionId) {
if (isSessionExists(sessionId)) {
setData(sessionId, SESSION_LAST_ACTIVE_TIME, new Date());
refresh(sessionId);
}
}
public final Date getSessionLastActiveTime(String sessionId) {
return (Date) getData(sessionId, SESSION_LAST_ACTIVE_TIME, false);
}
public boolean getSessionValid(String sessionId, boolean refresh) {
Object obj = getData(sessionId, SESSION_VALID_PARAMETER_NAME, refresh);
return obj == null ? false : (boolean) obj;
}
public final void setHardLimit(String sessionId, Date hardLimit) {
setData(sessionId, HARD_LIMIT_PARAMETER_NAME, hardLimit);
}
public final void setSoftLimit(String sessionId, Date softLimit) {
setData(sessionId, SOFT_LIMIT_PARAMETER_NAME, softLimit);
}
public final void setSoftLimitInterval(String sessionId, int softLimitInterval) {
setData(sessionId, SOFT_LIMIT_INTERVAL_PARAMETER_NAME, softLimitInterval);
}
/**
* @param sessionId The session to get the user for
* @param refresh Whether refreshing the session is needed
* @return The user set for the given {@link #session}
*/
public DbUser getUser(String sessionId, boolean refresh) {
return (DbUser) getData(sessionId, USER_PARAMETER_NAME, refresh);
}
public void refresh(String sessionId) {
refresh(getSessionInfo(sessionId));
}
public void setProfile(String sessionId, AuthenticationProfile profile) {
setData(sessionId, PROFILE_PARAMETER_NAME, profile);
}
public AuthenticationProfile getProfile(String sessionId) {
AuthenticationProfile profile = (AuthenticationProfile) getData(sessionId, PROFILE_PARAMETER_NAME, false);
if (profile == null) {
profile = getProfileFromUser(getUser(sessionId, false));
}
return profile;
}
private AuthenticationProfile getProfileFromUser(DbUser user) {
AuthenticationProfile retVal = null;
if (user != null) {
for (AuthenticationProfile profile : AuthenticationProfileRepository.getInstance().getProfiles()) {
if (profile.getAuthzName().equals(user.getDomain())) {
retVal = profile;
break;
}
}
}
return retVal;
}
public String getPrincipalName(String sessionId) {
return (String) getData(sessionId, PRINCIPAL_PARAMETER_NAME, false);
}
public String getUserName(String sessionId) {
return String.format(
"%s@%s",
getPrincipalName(sessionId),
getProfile(sessionId) != null ? getProfile(sessionId).getAuthzName() : "N/A");
}
public void setPrincipalName(String engineSessionId, String name) {
setData(engineSessionId, PRINCIPAL_PARAMETER_NAME, name);
}
public void setSsoAccessToken(String engineSessionId, String ssoToken) {
setData(engineSessionId, SSO_ACCESS_TOKEN_PARAMETER_NAME, ssoToken);
}
public String getSsoAccessToken(String engineSessionId) {
return (String) getData(engineSessionId, SSO_ACCESS_TOKEN_PARAMETER_NAME, false);
}
public void setSsoOvirtAppApiScope(String engineSessionId, String scope) {
List<String> scopes = StringUtils.isEmpty(scope) ?
Collections.emptyList() :
Arrays.asList(scope.trim().split("\\s *"));
setData(engineSessionId, SSO_IS_OVIRT_APP_API_SCOPE_PARAMETER_NAME,
scopes.contains(OVIRT_APP_API_SCOPE) &&
!scopes.contains(OVIRT_APP_ADMIN_SCOPE) &&
!scopes.contains(OVIRT_APP_PORTAL_SCOPE));
}
public boolean isSsoOvirtAppApiScope(String engineSessionId) {
return isSessionExists(engineSessionId) ?
(boolean) getData(engineSessionId, SSO_IS_OVIRT_APP_API_SCOPE_PARAMETER_NAME, false):
false;
}
public void setSourceIp(String engineSessionId, String sourceIp) {
setData(engineSessionId, SOURCE_IP, sourceIp);
}
public String getSourceIp(String engineSessionId) {
return (String) getData(engineSessionId, SOURCE_IP, false);
}
private void refresh(SessionInfo sessionInfo) {
int softLimitValue = (Integer) sessionInfo.contentOfSession.get(SOFT_LIMIT_INTERVAL_PARAMETER_NAME);
if (softLimitValue > 0) {
sessionInfo.contentOfSession.put(SOFT_LIMIT_PARAMETER_NAME,
DateUtils.addMinutes(new Date(), softLimitValue));
}
}
public boolean isSessionExists(String sessionId) {
return StringUtils.isEmpty(sessionId) ? false : sessionInfoMap.containsKey(sessionId);
}
private void removeSessionImpl(String sessionId, int reason, String message, Object... msgArgs) {
// Only remove session if there are no running commands for this session
if (ssoSessionUtils.isSessionInUse(getEngineSessionSeqId(sessionId))) {
DbUser dbUser = getUser(sessionId, false);
log.info("Not removing session '{}', session has running commands{}",
sessionId,
dbUser == null ? "." : String.format(" for user '%s@%s'.", dbUser.getLoginName(), dbUser.getDomain()));
return;
}
/*
* So we won't need to add profile to tests
*/
String authzName = null;
if (getProfile(sessionId) != null) {
authzName = getProfile(sessionId).getAuthzName();
}
AcctUtils.reportRecords(reason,
authzName,
getPrincipalName(sessionId),
message,
msgArgs
);
engineSessionDao.remove(getEngineSessionSeqId(sessionId));
sessionInfoMap.remove(sessionId);
}
class SsoSessionValidator {
public Map<String, Boolean> getSessionStatuses(Set<String> tokens) {
Map<String, Boolean> sessionStatuses = Collections.emptyMap();
if (!tokens.isEmpty()) {
try {
Map<String, Object> response = SsoOAuthServiceUtils.getSessionStatues(tokens);
if (response.get("error") == null) {
sessionStatuses = (Map<String, Boolean>) response.get("result");
}
} catch (Exception e) {
log.error("Unable to retrieve session statuses." + e.getMessage());
}
}
return sessionStatuses;
}
}
}