Introduced SessionStorage which is an extract of the SessionManager

pull/87/head
Thomas Joußen 2018-07-09 15:43:20 +02:00
parent 6effca3389
commit 6a1a8ea172
1 changed files with 307 additions and 0 deletions

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package io.openvidu.server.core;
import io.openvidu.client.OpenViduException;
import io.openvidu.client.internal.ProtocolElements;
import io.openvidu.java.client.SessionProperties;
import io.openvidu.server.OpenViduServer;
import io.openvidu.server.coturn.CoturnCredentialsService;
import io.openvidu.server.coturn.TurnCredentials;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
public class SessionStorage {
private static final Logger log = LoggerFactory.getLogger(SessionStorage.class);
@Autowired
private Utils utils;
@Autowired
private CoturnCredentialsService coturnCredentialsService;
protected ConcurrentMap<String, Session> sessions = new ConcurrentHashMap<>();
protected ConcurrentMap<String, SessionProperties> sessionProperties = new ConcurrentHashMap<>();
protected ConcurrentMap<String, ConcurrentHashMap<String, Participant>> sessionidParticipantpublicidParticipant = new ConcurrentHashMap<>();
protected ConcurrentMap<String, Boolean> insecureUsers = new ConcurrentHashMap<>();
protected ConcurrentMap<String, ConcurrentHashMap<String, Token>> sessionidTokenTokenobj = new ConcurrentHashMap<>();
/**
* Returns a Session given its id
*
* @return Session
*/
public Session getSession(String sessionId) {
return sessions.get(sessionId);
}
/**
* Returns all currently active (opened) sessions.
*
* @return set of the session's identifiers
*/
public Set<String> getSessions() {
return new HashSet<String>(sessions.keySet());
}
/**
* Returns all currently active (opened) sessions.
*
* @return set of the session's identifiers
*/
public Collection<Session> getSessionObjects() {
return sessions.values();
}
public Session putSessionIfAbsent(String sessionId, Session session) { return sessions.putIfAbsent(sessionId, session); }
public SessionProperties getSessionProperties(String sessionId) { return this.sessionProperties.get(sessionId); }
/**
* Returns all the participants inside a session.
*
* @param sessionId
* identifier of the session
* @return set of {@link Participant}
* @throws OpenViduException
* in case the session doesn't exist
*/
public Set<Participant> getParticipants(String sessionId) throws OpenViduException {
Session session = sessions.get(sessionId);
if (session == null) {
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, "Session '" + sessionId + "' not found");
}
Set<Participant> participants = session.getParticipants();
participants.removeIf(p -> p.isClosed());
return participants;
}
/**
* Returns a participant in a session
*
* @param sessionId
* identifier of the session
* @param participantPrivateId
* private identifier of the participant
* @return {@link Participant}
* @throws OpenViduException
* in case the session doesn't exist or the participant doesn't
* belong to it
*/
public Participant getParticipant(String sessionId, String participantPrivateId) throws OpenViduException {
Session session = sessions.get(sessionId);
if (session == null) {
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, "Session '" + sessionId + "' not found");
}
Participant participant = session.getParticipantByPrivateId(participantPrivateId);
if (participant == null) {
throw new OpenViduException(OpenViduException.Code.USER_NOT_FOUND_ERROR_CODE,
"Participant '" + participantPrivateId + "' not found in session '" + sessionId + "'");
}
return participant;
}
/**
* Returns a participant
*
* @param participantPrivateId
* private identifier of the participant
* @return {@link Participant}
* @throws OpenViduException
* in case the participant doesn't exist
*/
public Participant getParticipant(String participantPrivateId) throws OpenViduException {
for (Session session : sessions.values()) {
if (!session.isClosed()) {
if (session.getParticipantByPrivateId(participantPrivateId) != null) {
return session.getParticipantByPrivateId(participantPrivateId);
}
}
}
throw new OpenViduException(OpenViduException.Code.USER_NOT_FOUND_ERROR_CODE,
"No participant with private id '" + participantPrivateId + "' was found");
}
public void storeSessionId(String sessionId, SessionProperties sessionProperties) {
this.sessionidParticipantpublicidParticipant.putIfAbsent(sessionId, new ConcurrentHashMap<>());
this.sessionProperties.putIfAbsent(sessionId, sessionProperties);
showTokens();
}
public ConcurrentHashMap<String, Token> putTokenObject(String sessionId, ConcurrentHashMap<String, Token> map) {
return this.sessionidTokenTokenobj.putIfAbsent(sessionId, map);
}
public void removeTokenObject(String sessionId) {
this.sessionidTokenTokenobj.remove(sessionId);
}
public ConcurrentHashMap<String, Token> getTokenObject(String sessionId) {
return this.sessionidTokenTokenobj.get(sessionId);
}
public String newToken(String sessionId, ParticipantRole role, String serverMetadata) throws OpenViduException {
ConcurrentHashMap<String, Token> map = this.putTokenObject(sessionId, new ConcurrentHashMap<>());
if (map != null) {
if (!utils.isMetadataFormatCorrect(serverMetadata)) {
log.error("Data invalid format. Max length allowed is 10000 chars");
throw new OpenViduException(OpenViduException.Code.GENERIC_ERROR_CODE,
"Data invalid format. Max length allowed is 10000 chars");
}
String token = OpenViduServer.publicUrl;
token += "?sessionId=" + sessionId;
token += "&token=" + utils.generateRandomChain();
token += "&role=" + role.name();
TurnCredentials turnCredentials = null;
if (this.coturnCredentialsService.isCoturnAvailable()) {
turnCredentials = coturnCredentialsService.createUser();
if (turnCredentials != null) {
token += "&turnUsername=" + turnCredentials.getUsername();
token += "&turnCredential=" + turnCredentials.getCredential();
}
}
Token t = new Token(token, role, serverMetadata, turnCredentials);
map.putIfAbsent(token, t);
this.showTokens();
return token;
} else {
this.removeTokenObject(sessionId);
log.error("sessionId [" + sessionId + "] is not valid");
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, "sessionId [" + sessionId + "] not found");
}
}
public boolean isTokenValidInSession(String token, String sessionId, String participanPrivatetId) {
if (!this.isInsecureParticipant(participanPrivatetId)) {
if (this.sessionidTokenTokenobj.get(sessionId) != null) {
return this.sessionidTokenTokenobj.get(sessionId).containsKey(token);
} else {
return false;
}
} else {
this.sessionidParticipantpublicidParticipant.putIfAbsent(sessionId, new ConcurrentHashMap<>());
this.sessionidTokenTokenobj.putIfAbsent(sessionId, new ConcurrentHashMap<>());
this.sessionidTokenTokenobj.get(sessionId).putIfAbsent(token,
new Token(token, ParticipantRole.PUBLISHER, "",
this.coturnCredentialsService.isCoturnAvailable()
? this.coturnCredentialsService.createUser()
: null));
return true;
}
}
public boolean isParticipantInSession(String sessionId, Participant participant) {
Session session = this.sessions.get(sessionId);
if (session != null) {
return (session.getParticipantByPrivateId(participant.getParticipantPrivateId()) != null);
} else {
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, "[" + sessionId + "] is not a valid sessionId");
}
}
public boolean isPublisherInSession(String sessionId, Participant participant) {
if (!this.isInsecureParticipant(participant.getParticipantPrivateId())) {
if (this.sessionidParticipantpublicidParticipant.get(sessionId) != null) {
return (ParticipantRole.PUBLISHER.equals(participant.getToken().getRole())
|| ParticipantRole.MODERATOR.equals(participant.getToken().getRole()));
} else {
return false;
}
} else {
return true;
}
}
public boolean isInsecureParticipant(String participantPrivateId) {
if (this.insecureUsers.containsKey(participantPrivateId)) {
log.info("The user with private id {} is an INSECURE user", participantPrivateId);
return true;
}
return false;
}
public void newInsecureParticipant(String participantPrivateId) {
this.insecureUsers.put(participantPrivateId, true);
}
public void removeInsecureParticipant(String participantPrivateId) {
this.insecureUsers.remove(participantPrivateId);
}
public ConcurrentHashMap<String, Participant> getPublicIdParticipantMap(String sessionId) {
return this.sessionidParticipantpublicidParticipant.get(sessionId);
}
public Participant newParticipant(String sessionId, String participantPrivatetId, Token token,
String clientMetadata) {
if (this.sessionidParticipantpublicidParticipant.get(sessionId) != null) {
String participantPublicId = utils.generateRandomChain();
Participant p = new Participant(participantPrivatetId, participantPublicId, token, clientMetadata);
while (this.sessionidParticipantpublicidParticipant.get(sessionId).putIfAbsent(participantPublicId,
p) != null) {
participantPublicId = utils.generateRandomChain();
p.setParticipantPublicId(participantPublicId);
}
return p;
} else {
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, sessionId);
}
}
public Participant newRecorderParticipant(String sessionId, String participantPrivatetId, Token token,
String clientMetadata) {
if (this.sessionidParticipantpublicidParticipant.get(sessionId) != null) {
Participant p = new Participant(participantPrivatetId, ProtocolElements.RECORDER_PARTICIPANT_PUBLICID,
token, clientMetadata);
this.sessionidParticipantpublicidParticipant.get(sessionId)
.put(ProtocolElements.RECORDER_PARTICIPANT_PUBLICID, p);
return p;
} else {
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, sessionId);
}
}
public Token consumeToken(String sessionId, String participantPrivateId, String token) {
if (this.sessionidTokenTokenobj.get(sessionId) != null) {
Token t = this.sessionidTokenTokenobj.get(sessionId).remove(token);
if (t != null) {
return t;
} else {
throw new OpenViduException(OpenViduException.Code.TOKEN_CANNOT_BE_CREATED_ERROR_CODE, sessionId);
}
} else {
throw new OpenViduException(OpenViduException.Code.ROOM_NOT_FOUND_ERROR_CODE, sessionId);
}
}
public void emptyCollections(Session session) {
sessions.remove(session.getSessionId());
sessionProperties.remove(session.getSessionId());
sessionidParticipantpublicidParticipant.remove(session.getSessionId());
sessionidTokenTokenobj.remove(session.getSessionId());
log.warn("Session '{}' removed and closed", session.getSessionId());
}
public void showTokens() { log.info("<SESSIONID, TOKENS>: {}", this.sessionidTokenTokenobj.toString()); }
public void showInsecureParticipants() {
log.info("<INSECURE_PARTICIPANTS>: {}", this.insecureUsers.toString());
}
public void showAllParticipants() {
log.info("<SESSIONID, PARTICIPANTS>: {}", this.sessionidParticipantpublicidParticipant.toString());
}
}