Subversion Repositories bacoAlunos

package pt.estgp.estgweb.domain;

import com.owlike.genson.Genson;

import com.owlike.genson.TransformationException;

import org.apache.log4j.Logger;

import org.json.JSONArray;

import org.json.JSONException;

import pt.estgp.estgweb.services.pageContent.PageContentAccessPolicyAcl;

import java.io.IOException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Map;

/**

 * Created by jorgemachado on 03/02/16.

 */

public abstract class PageContentImpl extends PageContent implements ClearanceRuled

{

    private static 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(PageContentImpl.class);

    private UserSession sess = null;

    private Map<Acl.1.5.0/docs/api/java/rmi/server/Operation.html">Operation,Boolean> userSessionClearences = null;

    private boolean childsInitialized = false;

    private boolean parentInitialized = false;

    public static class 1.5.0/docs/api/java/security/acl/Acl.html">Acl

    {

        public static enum Access

        {

            PERMIT,

            DENY //default

        }

        public static enum 1.5.0/docs/api/java/lang/reflect/Type.html">Type

        {

            ALL,

            ANONYMOUS, //ONLY SUPER USER SHOULD ADD ANONYMOUS PERMISSIONS

            AUTHENTICATED,

            ROLE,

            USER,

            COURSEUNIT //SPECIFIC PERMISSIONS RELATIVE TO COURSE UNITS

        }

        public static enum 1.5.0/docs/api/java/rmi/server/Operation.html">Operation

        {

            ALL, //SPECIAL OPERATION FOR DENY AND PERMIT REPLACE FULL CONTROL

            READ_CONTENTS,

            READ_VERSIONS,

            READ_INVISIBLES,

            ORDER_CONTENTS,

            ADD_SECTIONS, //ADD TEXT USA ESTA PERMISSAO

            ADD_FILES,

            ADD_URLS,

            ADD_MODULES,

            REMOVE_SECTIONS,

            REMOVE_FILES,

            REMOVE_URLS,

            REMOVE_MODULES,

            EDIT_SECTIONS,

            EDIT_FILES,

            EDIT_URLS,

            EDIT_MODULES;

            public static 1.5.0/docs/api/java/rmi/server/Operation.html">Operation parse(1.5.0/docs/api/java/lang/String.html">String clearance)

            {

                if(clearance == null)

                    return null;

                for(1.5.0/docs/api/java/rmi/server/Operation.html">Operation op: 1.5.0/docs/api/java/rmi/server/Operation.html">Operation.values())

                {

                    if(op.name().equals(clearance))

                        return op;

                }

                return null;

            }

        }

        public static enum CourseUnitsId

        {

            COURSE_UNIT_TEACHER("page.content.course.unit.teacher"),

            COURSE_UNIT_STUDENT("page.content.course.unit.student"),

            COURSE_UNIT_RESP_TEACHER("page.content.course.unit.resp.teacher"),

            COURSE_UNIT_COURSE_COMISSION("page.content.course.unit.course.comission");

            1.5.0/docs/api/java/lang/String.html">String msgKey;

            CourseUnitsId(1.5.0/docs/api/java/lang/String.html">String msgKey) {

                this.msgKey = msgKey;

            }

        }

        private 1.5.0/docs/api/java/lang/String.html">String access;

        private 1.5.0/docs/api/java/lang/String.html">String type;

        private 1.5.0/docs/api/java/lang/String.html">String id;

        private 1.5.0/docs/api/java/lang/String.html">String operation;

        public 1.5.0/docs/api/java/lang/String.html">String getAccess() {

            return access;

        }

        public void setAccess(1.5.0/docs/api/java/lang/String.html">String access) {

            this.access = access;

        }

        public void setAccessEnum(Access access) {

            this.access = access.name();

        }

        public 1.5.0/docs/api/java/lang/String.html">String getType() {

            return type;

        }

        public void setType(1.5.0/docs/api/java/lang/String.html">String type) {

            this.type = type;

        }

        public void setTypeEnum(1.5.0/docs/api/java/lang/reflect/Type.html">Type type) {

            this.type = type.name();

        }

        public 1.5.0/docs/api/java/lang/String.html">String getId() {

            return id;

        }

        public void setId(1.5.0/docs/api/java/lang/String.html">String id) {

            this.id = id;

        }

        public 1.5.0/docs/api/java/lang/String.html">String getOperation() {

            return operation;

        }

        public void setOperation(1.5.0/docs/api/java/lang/String.html">String operation) {

            this.operation = operation;

        }

        public void setOperationEnum(1.5.0/docs/api/java/rmi/server/Operation.html">Operation operation) {

            this.operation = operation.name();

        }

        public void setCourseUnitIdEnum(CourseUnitsId courseUnitIdEnum) {

            this.id = courseUnitIdEnum.name();

        }

        public Access getAccessEnum()

        {

            for(Access a : Access.values())

            {

                if(a.name().equals(getAccess()))

                    return a;

            }

            return Access.DENY;

        }

        public 1.5.0/docs/api/java/lang/reflect/Type.html">Type getTypeEnum()

        {

            for(1.5.0/docs/api/java/lang/reflect/Type.html">Type a : 1.5.0/docs/api/java/lang/reflect/Type.html">Type.values())

            {

                if(a.name().equals(getType()))

                    return a;

            }

            return 1.5.0/docs/api/java/lang/reflect/Type.html">Type.ROLE;

        }

        public 1.5.0/docs/api/java/rmi/server/Operation.html">Operation getOperationEnum()

        {

            for(1.5.0/docs/api/java/rmi/server/Operation.html">Operation a : 1.5.0/docs/api/java/rmi/server/Operation.html">Operation.values())

            {

                if(a.name().equals(getOperation()))

                    return a;

            }

            return null;

        }

        public CourseUnitsId getCourseUnitIdEnum()

        {

            for(CourseUnitsId a : CourseUnitsId.values())

            {

                if(a.name().equals(getId()))

                    return a;

            }

            return null;

        }

    }

    /**

     * Empty Array Means no ACL's defined

     * build a json array form ACL's

     * @return example [{"access":"PERMIT","operation":"FULL_CONTROL","id":"services","type":"ROLE"}]

     * @throws JSONException

     */

    public JSONArray getAclJson() throws JSONException

    {

        if(getAcl() == null || getAcl().trim().length() == 0)

            return new JSONArray();

        return new JSONArray(getAcl());

    }

    /**

     * Sets the string ACL with the proper json

     * @param json

     * @throws JSONException

     */

    public void setAclJson(JSONArray json) throws JSONException

    {

        if(json == null)

            setAcl(null);

        else

            setAcl(json.toString());

    }

    /**

     * sets the string Acl with the json built from given List

     * @param acls

     * @throws JSONException

     */

    public void setAclList(ArrayList<Acl> acls) throws JSONException, 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException {

        if(acls == null || acls.size() == 0)

        {

            setAcl(null);

            return;

        }

        setAcl(getAclJson(acls).toString());

    }

    /**

     * Empty Array Means no ACL's defined allays

     * @return allays a list if no acls return empty list

     * @throws JSONException

     */

    public ArrayList<Acl> getAclList() throws JSONException, 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException {

        ArrayList<Acl> acls = new ArrayList<Acl>();

        if(getAcl() == null || getAcl().trim().length() == 0)

            return acls;

        Genson genson = getGenson();

        ArrayList<HashMap<String,String>> aclsDes = genson.deserialize(getAcl(),1.5.0/docs/api/java/util/ArrayList.html">ArrayList.class);

        for(HashMap<String,String> acl: aclsDes)

        {

            1.5.0/docs/api/java/security/acl/Acl.html">Acl a = new 1.5.0/docs/api/java/security/acl/Acl.html">Acl();

            a.setType(acl.get("type"));

            a.setOperation(acl.get("operation"));

            a.setAccess(acl.get("access"));

            a.setId(acl.get("id"));

            acls.add(a);

        }

        return acls;

    }

    /**

     * Add a acl to String json at the end

     * @param acl

     * @throws IOException

     * @throws TransformationException

     * @throws JSONException

     */

    public void addAcl(1.5.0/docs/api/java/security/acl/Acl.html">Acl acl) throws 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException, JSONException {

        if(acl == null)

            return;

        ArrayList<Acl> acls = getAclList();

        acls.add(acl);

        setAclList(acls);

    }

    private static Genson getGenson(){

        Genson genson = new Genson.Builder()

                .exclude(5+0%2Fdocs%2Fapi+Object">Object.class)

                .include("access", 1.5.0/docs/api/java/security/acl/Acl.html">Acl.class)

                .include("type", 1.5.0/docs/api/java/security/acl/Acl.html">Acl.class)

                .include("id", 1.5.0/docs/api/java/security/acl/Acl.html">Acl.class)

                .include("operation", 1.5.0/docs/api/java/security/acl/Acl.html">Acl.class)

                .create();

        return genson;

    }

    /**

     * Utilitário

     * @param aclList

     * @return

     * @throws IOException

     * @throws TransformationException

     * @throws JSONException

     */

    public static JSONArray getAclJson(ArrayList<Acl> aclList) throws 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException, JSONException {

        if(aclList == null)

            return new JSONArray();

        Genson genson = getGenson();

        1.5.0/docs/api/java/lang/String.html">String json = genson.serialize(aclList);

        //System.out.println(json);

        return new JSONArray(json);

    }

    public boolean isChildsInitialized() {

        return childsInitialized;

    }

    public void setChildsInitialized(boolean childsInitialized) {

        this.childsInitialized = childsInitialized;

    }

    public boolean isParentInitialized() {

        return parentInitialized;

    }

    public void setParentInitialized(boolean parentInitialized) {

        this.parentInitialized = parentInitialized;

    }

    /**

     * Metodo de testes

     * @param args

     * @throws IOException

     * @throws TransformationException

     * @throws JSONException

     */

    public static void main(1.5.0/docs/api/java/lang/String.html">String [] args) throws 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException, JSONException {

    }

    public boolean canAdmin(UserSessionImpl u)

    {

        if(sess != null && sess.getCookie() != null && !sess.getCookie().equals(u.getCookie()))

        {

            logger.warn("Clearances checked for Mr:" + sess.getCookie() + " but clearing for Mr:" + u.getCookie());

            return false;

        }

        else if(userSessionClearences != null)

        {

            for(1.5.0/docs/api/java/util/Map.html">Map.Entry<Acl.1.5.0/docs/api/java/rmi/server/Operation.html">Operation,Boolean> entry: userSessionClearences.entrySet())

            {

                if(entry.getValue() == true &&

                        !entry.getKey().name().startsWith("READ"))

                {

                    return true;

                }

            }

            return false;

        }

        else

        {

            logger.warn("Checking clearance without sessionClearances initialized, not allowed");

            return false;

        }

    }

    public boolean isClear(UserSessionImpl u, 1.5.0/docs/api/java/lang/String.html">String OP)

    {

        1.5.0/docs/api/java/security/acl/Acl.html">Acl.1.5.0/docs/api/java/rmi/server/Operation.html">Operation o = 1.5.0/docs/api/java/security/acl/Acl.html">Acl.1.5.0/docs/api/java/rmi/server/Operation.html">Operation.parse(OP);

        return isClear(u,o);

    }

    /**

     * Same logic in isClearanceInitialized Method

     * @param u

     * @return

     */

    public boolean isClear(UserSessionImpl u, PageContentImpl.1.5.0/docs/api/java/security/acl/Acl.html">Acl.1.5.0/docs/api/java/rmi/server/Operation.html">Operation op)

    {

        if(sess != null && sess.getCookie() != null && !sess.getCookie().equals(u.getCookie()))

        {

            logger.warn("Clearances checked for Mr:" + sess.getCookie() + " but clearing for Mr:" + u.getCookie());

            return false;

        }

        else if(userSessionClearences != null)

        {

            return userSessionClearences.get(op);

        }

        else

        {

            logger.warn("Checking clearance without sessionClearances initialized, not allowed");

            return false;

        }

    }

    /**

     * Same logic in isClear Method

     * @param u

     * @return

     */

    public boolean isClearanceInitialized(UserSessionImpl u)

    {

        if(sess != null && sess.getCookie() != null && !sess.getCookie().equals(u.getCookie()))

        {

            return false;

        }

        else if(userSessionClearences == null)

        {

            return false;

        }

        return true;

    }

    @1.5.0/docs/api/java/lang/Override.html">Override

    public void initClearances(UserSessionImpl u, boolean force) {

        throw new 1.5.0/docs/api/java/lang/RuntimeException.html">RuntimeException("NotImplemented");

    }

    public void setUserSessionClearences(Map<Acl.1.5.0/docs/api/java/rmi/server/Operation.html">Operation, Boolean> userSessionClearences) {

        this.userSessionClearences = userSessionClearences;

    }

    public void setSess(UserSession sess) {

        this.sess = sess;

    }

    @1.5.0/docs/api/java/lang/Override.html">Override

    public 1.5.0/docs/api/java/lang/String.html">String getAccessPolicyClass() {

        if(super.getAccessPolicyClass() == null)

        {

            logger.debug("No AccessPolicyClass in PageContent " + getId() + ":" + getTitle() + " using default:" + PageContentAccessPolicyAcl.class.getName());

            return PageContentAccessPolicyAcl.class.getName();

        }

        return super.getAccessPolicyClass();

    }

}