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package org.openslx.dozmod.thrift;
import java.util.HashSet;
import java.util.Set;
import org.apache.log4j.Logger;
import org.apache.thrift.TException;
import org.openslx.bwlp.thrift.iface.ImagePermissions;
import org.openslx.bwlp.thrift.iface.LecturePermissions;
import org.openslx.bwlp.thrift.iface.SatelliteConfig;
import org.openslx.bwlp.thrift.iface.WhoamiInfo;
import org.openslx.sat.thrift.version.Feature;
import org.openslx.thrifthelper.ThriftManager;
public class Session {
private static final Logger LOGGER = Logger.getLogger(Session.class);
private static WhoamiInfo data = null;
private static String satelliteAddress = null;
private static String satelliteToken = null;
private static String masterToken = null;
private static long satelliteApiVersion = -1;
private static SatelliteConfig satConf = null;
private static Set<Feature> features = null;
public static synchronized void initialize(WhoamiInfo whoami, String satAddress, String satToken, String masToken,
long satApiVersion) {
if (whoami == null || whoami.user == null || whoami.user.userId == null) {
throw new IllegalArgumentException(
"Cannot initialize session: whoami-Information from satellite incomplete");
}
if (data != null && !data.user.userId.equals(whoami.user.userId))
throw new IllegalArgumentException("Cannot set new session data with different user id");
if (satelliteAddress != null && !satelliteAddress.equals(satAddress))
throw new IllegalArgumentException("Cannot set new session data with different satellite address");
data = whoami;
masterToken = masToken;
satelliteToken = satToken;
satelliteAddress = satAddress;
satelliteApiVersion = satApiVersion;
}
/**
* @return the first name
*/
public static String getFirstName() {
if (data == null)
return null;
return data.user.firstName;
}
/**
* @return the last name
*/
public static String getLastName() {
if (data == null)
return null;
return data.user.lastName;
}
/**
* @return the eMail
*/
public static String getEMail() {
if (data == null)
return null;
return data.user.eMail;
}
/**
* @return the user id
*/
public static String getUserId() {
if (data == null)
return null;
return data.user.userId;
}
/**
* @return the organization id
*/
public static String getOrganizationId() {
if (data == null)
return null;
return data.user.organizationId;
}
/**
* @return whether user is superuser (has all permissions on everything, can
* declare an image a template)
*/
public static boolean isSuperUser() {
if (data == null)
return false;
return data.isSuperUser;
}
/**
* @return whether user can see list of images. students will only be able
* to list lectures
*/
public static boolean canListImages() {
if (data == null)
return false;
return data.canListImages;
}
/**
* @return the satellite token
*/
public static String getSatelliteToken() {
return satelliteToken;
}
/**
* @return the master token
*/
public static String getMasterToken() {
return masterToken;
}
/**
* @return the satelliteAddress
*/
public static String getSatelliteAddress() {
return satelliteAddress;
}
/**
* @return the satellite server's API version
*/
public static long getSatApiVersion() {
return satelliteApiVersion;
}
/**
* @return true if the satellite's API version supports publications of
* images (version 3 and above), false otherwise
*/
public static boolean isImagePublishSupported() {
return satelliteApiVersion >= 3;
}
/**
* @return true if the satellite's API version supports usb, netrules, internet
* blocking, exam mode restrictions (version 4 and above), false otherwise
*/
public static boolean isLectureRestrictionsSupported() {
return satelliteApiVersion >= 4;
}
/**
* Query the satellite server for its configuration and default values.
*
* @return
*/
public static SatelliteConfig getSatelliteConfig() {
synchronized (SatelliteConfig.class) {
if (satConf != null)
return satConf;
try {
satConf = ThriftManager.getSatClient().getConfiguration();
return satConf;
} catch (TException e) {
LOGGER.warn("Could not get satellite configuration, falling back to builtin defaults", e);
SatelliteConfig satConfig = new SatelliteConfig();
satConfig.setDefaultImagePermissions(new ImagePermissions(true, true, false, false));
satConfig.setDefaultLecturePermissions(new LecturePermissions(false, false));
satConfig.setMaxImageValidityDays(200);
satConfig.setMaxLectureValidityDays(100);
satConfig.setPageSize(200);
return satConfig;
}
}
}
public static boolean canExtendImageExpiry() {
return isSuperUser() && satelliteApiVersion >= 3;
}
public static boolean hasFeature(Feature feature) {
synchronized (Feature.class) {
if (features == null) {
String ret;
try {
ret = ThriftManager.getSatClient().getSupportedFeatures();
} catch (TException e) {
return false;
}
if (ret == null)
return false;
features = new HashSet<>();
for (String f : ret.split(" ")) {
try {
features.add(Feature.valueOf(f));
} catch (Throwable t) {}
}
}
return features.contains(feature);
}
}
}
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