org.mycore.access.mcrimpl.MCRAccessRule Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.access.mcrimpl;
import java.net.UnknownHostException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import org.apache.logging.log4j.LogManager;
import org.jdom2.Element;
import org.mycore.common.MCRSession;
import org.mycore.common.MCRSessionMgr;
import org.mycore.common.MCRSystemUserInformation;
import org.mycore.common.MCRUserInformation;
import org.mycore.parsers.bool.MCRCondition;
import org.mycore.parsers.bool.MCRParseException;
public class MCRAccessRule implements org.mycore.access.MCRAccessRule {
private String id = "";
private String creator = "";
private Date creationTime = new Date();
String rule = "";
private String description = "";
private MCRCondition parsedRule;
private static MCRRuleParser parser = new MCRRuleParser();
public MCRAccessRule(String id, String creator, Date creationTime, String rule, String description)
throws MCRParseException {
setId(id);
setCreator(creator);
setCreationTime(creationTime);
setRule(rule);
setDescription(description);
}
@Deprecated
public boolean checkAccess(String userID, Date date, MCRIPAddress ip) {
if (parsedRule == null) {
if (userID.equals(MCRSystemUserInformation.getSuperUserInstance().getUserID())) {
LogManager.getLogger(MCRAccessRule.class).debug("No rule defined, grant access to super user.");
return true;
}
return false;
}
LogManager.getLogger(this.getClass()).debug("new MCRAccessData");
MCRAccessData data = new MCRAccessData(userID, date, ip);
LogManager.getLogger(this.getClass()).debug("new MCRAccessData done.");
LogManager.getLogger(this.getClass()).debug("evaluate MCRAccessData");
boolean returns = parsedRule.evaluate(data);
LogManager.getLogger(this.getClass()).debug("evaluate MCRAccessData done.");
return returns;
}
public boolean checkAccess(MCRUserInformation userInfo, Date date, MCRIPAddress ip) {
if (parsedRule == null) {
if (userInfo.getUserID().equals(MCRSystemUserInformation.getSuperUserInstance().getUserID())) {
LogManager.getLogger(MCRAccessRule.class).debug("No rule defined, grant access to super user.");
return true;
}
return false;
}
LogManager.getLogger(this.getClass()).debug("new MCRAccessData");
MCRAccessData data = new MCRAccessData(userInfo, date, ip);
LogManager.getLogger(this.getClass()).debug("new MCRAccessData done.");
LogManager.getLogger(this.getClass()).debug("evaluate MCRAccessData");
boolean returns = parsedRule.evaluate(data);
LogManager.getLogger(this.getClass()).debug("evaluate MCRAccessData done.");
return returns;
}
public MCRCondition getRule() {
return parsedRule;
}
public void setRule(String rule) {
this.rule = rule;
parsedRule = rule == null ? null : parser.parse(rule);
}
public String getRuleString() {
if (rule == null) {
return "";
}
return rule;
}
public Date getCreationTime() {
return new Date(creationTime.getTime());
}
public void setCreationTime(Date creationTime) {
this.creationTime = creationTime == null ? null : new Date(creationTime.getTime());
}
public String getCreator() {
return creator;
}
public void setCreator(String creator) {
this.creator = creator;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public Element getRuleElement() {
Element el = new Element("mcraccessrule");
el.addContent(new Element("id").setText(id));
el.addContent(new Element("creator").setText(id));
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ROOT);
el.addContent(new Element("creationdate").setText(df.format(creationTime)));
el.addContent(new Element("rule").setText(rule));
el.addContent(new Element("description").setText("" + description));
return el;
}
@Override
public boolean validate() {
MCRSession session = MCRSessionMgr.getCurrentSession();
MCRUserInformation userInfo = session.getUserInformation();
MCRIPAddress mcripAddress;
try {
mcripAddress = new MCRIPAddress(session.getCurrentIP());
} catch (UnknownHostException e) {
LogManager.getLogger(MCRAccessRule.class).warn("Error while checking rule.", e);
return false;
}
return checkAccess(userInfo, new Date(), mcripAddress);
}
}