Add restriction filter to onboarding

Change-Id: Ief36760c8d89ac3443c8b12bfdef09c2f83abfc3
Issue-ID: SDC-2039
Signed-off-by: Yuli Shlosberg <ys9693@att.com>

13 files changed, 1209 insertions, 0 deletions

diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/AuthenticationCookie.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/AuthenticationCookie.java
new file mode 100644
index 0000000000..c064f3e08f
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/AuthenticationCookie.java
@@ -0,0 +1,97 @@
+package org.openecomp.sdc.securityutil;
+
+import java.util.Set;
+
+
+public class AuthenticationCookie  {
+
+    private String userID;
+    private Set<String> roles;
+    private long maxSessionTime;
+    private long currentSessionTime;
+
+    public AuthenticationCookie(){ }
+
+    public AuthenticationCookie(AuthenticationCookie authenticationCookie){
+        this.userID = authenticationCookie.userID;
+        this.roles = authenticationCookie.roles;
+        this.maxSessionTime = authenticationCookie.maxSessionTime;
+        this.currentSessionTime = authenticationCookie.currentSessionTime;
+    }
+
+    /**
+     * Create new cookie with max_session_time and current_session_time started with same value
+     * @param userId
+     */
+    public AuthenticationCookie(String userId) {
+        this.userID =userId;
+        long currentTimeMilliSec = System.currentTimeMillis();
+        this.maxSessionTime = currentTimeMilliSec;
+        this.currentSessionTime = currentTimeMilliSec;
+    }
+
+    public String getUserID() {
+        return userID;
+    }
+
+    public void setUserID(String userID) {
+        this.userID = userID;
+    }
+
+    public Set getRoles() {
+        return roles;
+    }
+
+    public void setRoles(Set<String> roles) {
+        this.roles = roles;
+    }
+
+    public long getMaxSessionTime() {
+        return maxSessionTime;
+    }
+
+    public void setMaxSessionTime(long maxSessionTime) {
+        this.maxSessionTime = maxSessionTime;
+    }
+
+
+    public long getCurrentSessionTime() {
+        return currentSessionTime;
+    }
+
+    public void setCurrentSessionTime(long currentSessionTime) {
+        this.currentSessionTime = currentSessionTime;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof AuthenticationCookie)) return false;
+
+        AuthenticationCookie that = (AuthenticationCookie) o;
+
+        if (getMaxSessionTime() != that.getMaxSessionTime()) return false;
+        if (getCurrentSessionTime() != that.getCurrentSessionTime()) return false;
+        if (getUserID() != null ? !getUserID().equals(that.getUserID()) : that.getUserID() != null) return false;
+        return getRoles() != null ? getRoles().containsAll(that.getRoles()) : that.getRoles() == null;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = getUserID() != null ? getUserID().hashCode() : 0;
+        result = 31 * result + (getRoles() != null ? getRoles().hashCode() : 0);
+        result = 31 * result + (int) (getMaxSessionTime() ^ (getMaxSessionTime() >>> 32));
+        result = 31 * result + (int) (getCurrentSessionTime() ^ (getCurrentSessionTime() >>> 32));
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "AuthenticationCookie{" +
+                "userID='" + userID + '\'' +
+                ", roles=" + roles +
+                ", maxSessionTime=" + maxSessionTime +
+                ", currentSessionTime=" + currentSessionTime +
+                '}';
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/AuthenticationCookieUtils.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/AuthenticationCookieUtils.java
new file mode 100644
index 0000000000..24225a86f9
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/AuthenticationCookieUtils.java
@@ -0,0 +1,107 @@
+package org.openecomp.sdc.securityutil;
+
+import org.openecomp.sdc.securityutil.filters.SessionValidationFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.http.Cookie;
+import java.io.IOException;
+
+public class AuthenticationCookieUtils {
+
+    private static final Logger log = LoggerFactory.getLogger(SessionValidationFilter.class.getName());
+
+    /**
+     * Update given cookie session time value to current time
+     *
+     * @param cookie
+     * @param filterConfiguration
+     * @return
+     * @throws CipherUtilException
+     * @throws IOException
+     */
+    public static Cookie updateSessionTime(Cookie cookie, ISessionValidationFilterConfiguration filterConfiguration) throws CipherUtilException, IOException {
+        AuthenticationCookie authenticationCookie = getAuthenticationCookie(cookie, filterConfiguration);
+        long newTime = System.currentTimeMillis();
+        log.debug("SessionValidationFilter: Going to set new session time in cookie, old value: {}, new value: {}", authenticationCookie.getCurrentSessionTime(), newTime);
+        authenticationCookie.setCurrentSessionTime(newTime);
+        String encryptedCookie = getEncryptedCookie(authenticationCookie, filterConfiguration);
+        return createUpdatedCookie(cookie, encryptedCookie, filterConfiguration);
+    }
+
+    /**
+     * Create new Cookie object with same attributes as original cookie
+     * @param cookie
+     * @param encryptedCookie
+     * @param cookieConfiguration
+     * @return
+     */
+    public static Cookie createUpdatedCookie(Cookie cookie, String encryptedCookie, ISessionValidationCookieConfiguration cookieConfiguration) {
+        Cookie updatedCookie = new Cookie(cookie.getName(), encryptedCookie );
+        updatedCookie.setPath(cookieConfiguration.getCookiePath());
+        updatedCookie.setDomain(cookieConfiguration.getCookieDomain());
+        updatedCookie.setHttpOnly(cookieConfiguration.isCookieHttpOnly());
+        return updatedCookie;
+    }
+
+    /**
+     * Convert AuthenticationCookie to JSON and encrypt with given key
+     *
+     * @param authenticationCookie
+     * @param filterConfiguration
+     * @return
+     * @throws IOException
+     * @throws CipherUtilException
+     */
+    public static String getEncryptedCookie(AuthenticationCookie authenticationCookie, ISessionValidationFilterConfiguration filterConfiguration) throws IOException, CipherUtilException {
+        String changedCookieJson = RepresentationUtils.toRepresentation(authenticationCookie);
+        return CipherUtil.encryptPKC(changedCookieJson, filterConfiguration.getSecurityKey());
+    }
+
+    /**
+     * Decrypt given Cookie to JSON and convert to AuthenticationCookie object
+     *
+     * @param cookie
+     * @param filterConfiguration
+     * @return
+     * @throws CipherUtilException
+     */
+    public static AuthenticationCookie getAuthenticationCookie(Cookie cookie, ISessionValidationFilterConfiguration filterConfiguration) throws CipherUtilException {
+        String originalCookieJson = CipherUtil.decryptPKC(cookie.getValue(), filterConfiguration.getSecurityKey());
+        return RepresentationUtils.fromRepresentation(originalCookieJson, AuthenticationCookie.class);
+    }
+
+    /**
+     * session expired if session was idle or max time reached
+     *
+     * @param cookie
+     * @param filterConfiguration
+     * @return
+     * @throws CipherUtilException
+     */
+    public static boolean isSessionExpired(Cookie cookie, ISessionValidationFilterConfiguration filterConfiguration) throws CipherUtilException {
+        AuthenticationCookie authenticationCookie = getAuthenticationCookie(cookie, filterConfiguration);
+        long sessionExpirationDate = authenticationCookie.getMaxSessionTime() + filterConfiguration.getMaxSessionTimeOut();
+        long sessionTime = authenticationCookie.getCurrentSessionTime();
+        long currentTime = System.currentTimeMillis();
+        log.debug("SessionValidationFilter: Checking if session expired: session time: {}, expiration time: {}, current time: {}", sessionTime, sessionExpirationDate, currentTime);
+        return currentTime > sessionExpirationDate || isSessionIdle(sessionTime, currentTime, filterConfiguration);
+    }
+
+    /**
+     * Session is idle if wasn't updated ( wasn't in use ) for more then value from filter configuration
+     *
+     * @param sessionTimeValue
+     * @param currentTime
+     * @param filterConfiguration
+     * @return
+     */
+    public static boolean isSessionIdle(long sessionTimeValue, long currentTime, ISessionValidationFilterConfiguration filterConfiguration) {
+        long currentIdleTime = currentTime - sessionTimeValue;
+        long maxIdleTime = filterConfiguration.getSessionIdleTimeOut();
+        log.debug("SessionValidationFilter: Checking if session idle: session time: {}, current idle time: {}, max idle time: {}", currentTime, currentIdleTime, maxIdleTime);
+        return currentIdleTime >= maxIdleTime;
+    }
+
+
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java
new file mode 100644
index 0000000000..39553ca789
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java
@@ -0,0 +1,123 @@
+package org.openecomp.sdc.securityutil;
+
+import java.security.SecureRandom;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import org.apache.commons.codec.binary.Base64;
+
+public class CipherUtil {
+    private static Logger log = LoggerFactory.getLogger( CipherUtil.class.getName());
+    private static final String ALGORITHM = "AES";
+    private static final String ALGORYTHM_DETAILS = ALGORITHM + "/CBC/PKCS5PADDING";
+    private static final String CIPHER_PROVIDER = "SunJCE";
+    private static final int BLOCK_SIZE = 128;
+    private static final int BYTE_SIZE = 8;
+    private static final int IV_SIZE = BLOCK_SIZE / BYTE_SIZE;
+    private static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
+    private static final String ALGORITHM_NAME = "SHA1PRNG";
+
+    /**
+     * Encrypt the text using the secret key in key.properties file
+     *
+     * @param value string to encrypt
+     * @return The encrypted string
+     * @throws CipherUtilException
+     *             In case of issue with the encryption
+     */
+    public static String encryptPKC(String value, String base64key) throws CipherUtilException {
+        Cipher cipher;
+        byte[] iv = new byte[IV_SIZE];
+        byte[] finalByte;
+        try {
+            cipher = Cipher.getInstance(ALGORYTHM_DETAILS, CIPHER_PROVIDER);
+            SecureRandom secureRandom = SecureRandom.getInstance(ALGORITHM_NAME);
+            secureRandom.nextBytes(iv);
+            IvParameterSpec ivspec = new IvParameterSpec(iv);
+            cipher.init(Cipher.ENCRYPT_MODE, getSecretKeySpec(base64key), ivspec);
+            finalByte = cipher.doFinal(value.getBytes());
+
+        } catch (Exception ex) {
+            log.error("encrypt failed", ex);
+            throw new CipherUtilException(ex);
+        }
+        return Base64.encodeBase64String(addAll(iv, finalByte));
+    }
+
+    /**
+     * Decrypts the text using the secret key in key.properties file.
+     *
+     * @param message
+     *            The encrypted string that must be decrypted using the ONAP Portal
+     *            Encryption Key
+     * @return The String decrypted
+     * @throws CipherUtilException
+     *             if any decryption step fails
+     */
+
+    public static String decryptPKC(String message, String base64key) throws CipherUtilException {
+        byte[] encryptedMessage = Base64.decodeBase64(message);
+        Cipher cipher;
+        byte[] decrypted;
+        try {
+            cipher = Cipher.getInstance(ALGORYTHM_DETAILS, CIPHER_PROVIDER);
+            IvParameterSpec ivspec = new IvParameterSpec(subarray(encryptedMessage, 0, IV_SIZE));
+            byte[] realData = subarray(encryptedMessage, IV_SIZE, encryptedMessage.length);
+            cipher.init(Cipher.DECRYPT_MODE, getSecretKeySpec(base64key), ivspec);
+            decrypted = cipher.doFinal(realData);
+
+        } catch (Exception ex) {
+            log.error("decrypt failed", ex);
+            throw new CipherUtilException(ex);
+        }
+        return new String(decrypted);
+    }
+
+    private static SecretKeySpec getSecretKeySpec(String keyString) {
+        byte[] key = Base64.decodeBase64(keyString);
+        return new SecretKeySpec(key, ALGORITHM);
+    }
+
+    private static byte[] clone(byte[] array) {
+        return array == null ? null : array.clone();
+    }
+
+    private static byte[] addAll(byte[] array1, byte[] array2) {
+        if (array1 == null) {
+            return clone(array2);
+        } else if (array2 == null) {
+            return clone(array1);
+        } else {
+            byte[] joinedArray = new byte[array1.length + array2.length];
+            System.arraycopy(array1, 0, joinedArray, 0, array1.length);
+            System.arraycopy(array2, 0, joinedArray, array1.length, array2.length);
+            return joinedArray;
+        }
+    }
+
+    private static byte[] subarray(byte[] array, int startIndexInclusive, int endIndexExclusive) {
+        if (array == null) {
+            return null;
+        } else {
+            if (startIndexInclusive < 0) {
+                startIndexInclusive = 0;
+            }
+
+            if (endIndexExclusive > array.length) {
+                endIndexExclusive = array.length;
+            }
+
+            int newSize = endIndexExclusive - startIndexInclusive;
+            if (newSize <= 0) {
+                return EMPTY_BYTE_ARRAY;
+            } else {
+                byte[] subarray = new byte[newSize];
+                System.arraycopy(array, startIndexInclusive, subarray, 0, newSize);
+                return subarray;
+            }
+        }
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtilException.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtilException.java
new file mode 100644
index 0000000000..0e0d53a2f9
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtilException.java
@@ -0,0 +1,66 @@
+package org.openecomp.sdc.securityutil;
+
+
+/* ============LICENSE_START==========================================
+         * ONAP Portal SDK
+         * ===================================================================
+         * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+         * ===================================================================
+         *
+         * Unless otherwise specified, all software contained herein is licensed
+         * under the Apache License, Version 2.0 (the "License");
+         * you may not use this software except in compliance with the License.
+         * You may obtain a copy of the License at
+         *
+         *             http://www.apache.org/licenses/LICENSE-2.0
+         *
+         * Unless required by applicable law or agreed to in writing, software
+         * distributed under the License is distributed on an "AS IS" BASIS,
+         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+         * See the License for the specific language governing permissions and
+         * limitations under the License.
+         *
+         * Unless otherwise specified, all documentation contained herein is licensed
+         * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+         * you may not use this documentation except in compliance with the License.
+         * You may obtain a copy of the License at
+         *
+         *             https://creativecommons.org/licenses/by/4.0/
+         *
+         * Unless required by applicable law or agreed to in writing, documentation
+         * distributed under the License is distributed on an "AS IS" BASIS,
+         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+         * See the License for the specific language governing permissions and
+         * limitations under the License.
+         *
+         * ============LICENSE_END============================================
+         *
+         *
+         */
+
+
+public class CipherUtilException extends Exception {
+
+    private static final long serialVersionUID = -4163367786939629691L;
+
+    public CipherUtilException() {
+        super();
+    }
+
+    public CipherUtilException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+
+    public CipherUtilException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public CipherUtilException(String message) {
+        super(message);
+    }
+
+    public CipherUtilException(Throwable cause) {
+        super(cause);
+    }
+
+}
\ No newline at end of file
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/ISessionValidationCookieConfiguration.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/ISessionValidationCookieConfiguration.java
new file mode 100644
index 0000000000..cb72dca941
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/ISessionValidationCookieConfiguration.java
@@ -0,0 +1,12 @@
+package org.openecomp.sdc.securityutil;
+
+/**
+ *  Configuration for Cookie object , have to be same over all components of application
+ */
+public interface ISessionValidationCookieConfiguration {
+
+    String getCookieName();
+    String getCookieDomain();
+    String getCookiePath();
+    boolean isCookieHttpOnly();
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/ISessionValidationFilterConfiguration.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/ISessionValidationFilterConfiguration.java
new file mode 100644
index 0000000000..bf55ba947b
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/ISessionValidationFilterConfiguration.java
@@ -0,0 +1,13 @@
+package org.openecomp.sdc.securityutil;
+
+import java.util.List;
+
+public interface ISessionValidationFilterConfiguration extends ISessionValidationCookieConfiguration {
+
+    String getSecurityKey();
+    long getMaxSessionTimeOut();
+    long getSessionIdleTimeOut(); // max idle time for session
+    String getRedirectURL();
+    List<String> getExcludedUrls(); // comma separated URLs, like this "/config,/configmgr,/rest,/kibanaProxy"
+}
+
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/Passwords.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/Passwords.java
new file mode 100644
index 0000000000..e10bd81d0f
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/Passwords.java
@@ -0,0 +1,187 @@
+package org.openecomp.sdc.securityutil;/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.util.Arrays;
+import java.util.Random;
+
+
+public class Passwords {
+
+	private static Logger log = LoggerFactory.getLogger( Passwords.class.getName());
+	private static final Random RANDOM = new SecureRandom();
+	private static final int SALT = 0;
+	private static final int HASH = 1;
+	private static final String HASH_ALGORITHM = "SHA-256";
+
+	/**
+	 * static utility class
+	 */
+	private Passwords() {
+	}
+
+	/**
+	 * the method calculates a hash with a generated salt for the given password
+	 * 
+	 * @param password
+	 * @return a "salt:hash" value
+	 */
+	public static String hashPassword(String password) {
+		if (password!=null){
+			byte[] salt = getNextSalt();
+			byte byteData[] = hash(salt, password.getBytes());
+			if (byteData != null) {
+				return toHex(salt) + ":" + toHex(byteData);
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * the method checks if the given password matches the calculated hash
+	 * 
+	 * @param password
+	 * @param expectedHash
+	 * @return
+	 */
+	public static boolean isExpectedPassword(String password, String expectedHash) {
+		if (password==null && expectedHash==null)
+			return true;
+		if (password==null || expectedHash==null)	//iff exactly 1 is null
+			return false;
+		if (!expectedHash.contains(":")){
+			log.error("invalid password expecting hash at the prefix of the password (ex. e0277df331f4ff8f74752ac4a8fbe03b:6dfbad308cdf53c9ff2ee2dca811ee92f1b359586b33027580e2ff92578edbd0)\n" +
+					"\t\t\t");
+			return false;
+		}
+		String[] params = expectedHash.split(":");
+		return isExpectedPassword(password, params[SALT], params[HASH]);
+	}
+
+	/**
+	 * the method checks if the given password matches the calculated hash
+	 * 
+	 * @param password
+	 * @param salt
+	 * @param hash
+	 *            the hash generated using the salt
+	 * @return true if the password matched the hash
+	 */
+	public static boolean isExpectedPassword(String password, String salt, String hash) {
+		if ( password == null &&  hash == null )
+			return true;
+		if ( salt == null ){
+			log.error("salt must be initialized");
+			return false;
+		}
+		//unintialized params
+		if ( password == null ||  hash == null )
+			return false;
+		byte[] saltBytes = fromHex(salt);
+		byte[] hashBytes = fromHex(hash);
+
+		byte byteData[] = hash(saltBytes, password.getBytes());
+		if (byteData != null) {
+			return Arrays.equals(byteData, hashBytes);
+		}
+		return false;
+	}
+
+	public static void main(String[] args) {
+		if (args.length > 1 || args.length > 0) {
+			System.out.println("[" + hashPassword(args[0]) + "]");
+		} else {
+			System.out.println("no passward passed.");
+		}
+
+	}
+
+	/**
+	 * Returns a random salt to be used to hash a password.
+	 * 
+	 * @return a 16 bytes random salt
+	 */
+	private static byte[] getNextSalt() {
+		byte[] salt = new byte[16];
+		RANDOM.nextBytes(salt);
+		return salt;
+	}
+
+	/**
+	 * hase's the salt and value using the chosen algorithm
+	 * 
+	 * @param salt
+	 * @param password
+	 * @return an array of bytes resulting from the hash
+	 */
+	private static byte[] hash(byte[] salt, byte[] password) {
+		MessageDigest md;
+		byte[] byteData = null;
+		try {
+			md = MessageDigest.getInstance(HASH_ALGORITHM);
+			md.update(salt);
+			md.update(password);
+			byteData = md.digest();
+		} catch (NoSuchAlgorithmException e) {
+			System.out.println("invalid algorithm name");
+		}
+		return byteData;
+	}
+
+	/**
+	 * Converts a string of hexadecimal characters into a byte array.
+	 *
+	 * @param hex
+	 *            the hex string
+	 * @return the hex string decoded into a byte array
+	 */
+	private static byte[] fromHex(String hex) {
+		if ( hex == null )
+			return null;
+		byte[] binary = new byte[hex.length() / 2];
+		for (int i = 0; i < binary.length; i++) {
+			binary[i] = (byte) Integer.parseInt(hex.substring(2 * i, 2 * i + 2), 16);
+		}
+		return binary;
+	}
+
+	/**
+	 * Converts a byte array into a hexadecimal string.
+	 *
+	 * @param array
+	 *            the byte array to convert
+	 * @return a length*2 character string encoding the byte array
+	 */
+	private static String toHex(byte[] array) {
+		BigInteger bi = new BigInteger(1, array);
+		String hex = bi.toString(16);
+		int paddingLength = (array.length * 2) - hex.length();
+		if (paddingLength > 0)
+			return String.format("%0" + paddingLength + "d", 0) + hex;
+		else
+			return hex;
+	}
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/RepresentationUtils.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/RepresentationUtils.java
new file mode 100644
index 0000000000..b647fa3a65
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/RepresentationUtils.java
@@ -0,0 +1,53 @@
+package org.openecomp.sdc.securityutil;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+public class RepresentationUtils {
+
+    private static final Logger log = LoggerFactory.getLogger(RepresentationUtils.class.getName());
+
+    /**
+     * Build JSON Representation of given Object
+     *
+     * @param elementToRepresent
+     * @return
+     * @throws IOException
+     */
+    public static <T> String toRepresentation(T elementToRepresent) throws IOException {
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        return mapper.writeValueAsString(elementToRepresent);
+    }
+
+    /**
+     * Convert JSON representation to given class
+     *
+     * @param json
+     * @param clazz
+     * @param <T>
+     * @return
+     */
+    public static <T> T fromRepresentation(String json, Class<T> clazz) {
+        ObjectMapper mapper = new ObjectMapper();
+        T object = null;
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        try {
+            object = mapper.readValue(json, clazz);
+        } catch (Exception e) {
+            log.error("Error when parsing JSON of object of type {}", clazz.getSimpleName(), e);
+        } // return null in case of exception
+
+        return object;
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/SecurityUtil.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/SecurityUtil.java
new file mode 100644
index 0000000000..8dd4e33a44
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/SecurityUtil.java
@@ -0,0 +1,134 @@
+package org.openecomp.sdc.securityutil;
+
+import fj.data.Either;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.spec.SecretKeySpec;
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.StandardCharsets;
+import java.security.InvalidKeyException;
+import java.security.Key;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+
+public class SecurityUtil {
+
+    private static final Logger LOG = LoggerFactory.getLogger( SecurityUtil.class );
+    private static final byte[] KEY = new byte[]{-64,5,-32 ,-117 ,-44,8,-39, 1, -9, 36,-46,-81, 62,-15,-63,-75};
+    public static final SecurityUtil INSTANCE = new SecurityUtil();
+    public static final String ALGORITHM = "AES" ;
+    public static final String CHARSET = StandardCharsets.UTF_8.name();
+
+    public static Key secKey = null ;
+
+    /**
+     *
+     * cmd commands >$PROGRAM_NAME decrypt "$ENCRYPTED_MSG"
+     *              >$PROGRAM_NAME encrypt "message"
+    **/
+
+    private SecurityUtil(){ super(); }
+
+    static {
+        try{
+            secKey = generateKey( KEY, ALGORITHM );
+        }
+        catch(Exception e){
+            LOG.warn("cannot generate key for {}", ALGORITHM);
+        }
+    }
+
+
+
+    public static Key generateKey(final byte[] KEY, String algorithm){
+        return new SecretKeySpec(KEY, algorithm);
+    }
+
+    //obfuscates key prefix -> **********
+    public String obfuscateKey(String sensitiveData){
+
+        if (sensitiveData != null){
+            int len = sensitiveData.length();
+            StringBuilder builder = new StringBuilder(sensitiveData);
+            for (int i=0; i<len/2; i++){
+                builder.setCharAt(i, '*');
+            }
+            return builder.toString();
+        }
+        return sensitiveData;
+    }
+
+    /**
+     *  @param strDataToEncrypt - plain string to encrypt
+     *  Encrypt the Data
+     * 		a. Declare / Initialize the Data. Here the data is of type String
+     * 		b. Convert the Input Text to Bytes
+     * 		c. Encrypt the bytes using doFinal method
+     */
+    public Either<String,String> encrypt(String strDataToEncrypt){
+        if (strDataToEncrypt != null ){
+            try {
+                LOG.debug("Encrypt key -> {}", secKey);
+                Cipher aesCipherForEncryption = Cipher.getInstance("AES");          // Must specify the mode explicitly as most JCE providers default to ECB mode!!
+                aesCipherForEncryption.init(Cipher.ENCRYPT_MODE, secKey);
+                byte[] byteDataToEncrypt = strDataToEncrypt.getBytes();
+                byte[] byteCipherText = aesCipherForEncryption.doFinal(byteDataToEncrypt);
+                String strCipherText = new String( Base64.getMimeEncoder().encode(byteCipherText), CHARSET );
+                LOG.debug("Cipher Text generated using AES is {}", strCipherText);
+                return Either.left(strCipherText);
+            } catch( NoSuchAlgorithmException | UnsupportedEncodingException e){
+                LOG.warn( "cannot encrypt data unknown algorithm or missing encoding for {}" ,secKey.getAlgorithm());
+            } catch( InvalidKeyException e){
+                LOG.warn( "invalid key recieved - > {} | {}" , Base64.getDecoder().decode( secKey.getEncoded() ), e.getMessage() );
+            } catch( IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException  e){
+                LOG.warn( "bad algorithm definition (Illegal Block Size or padding), please review you algorithm block&padding" , e.getMessage() );
+            }
+        }
+        return Either.right("Cannot encrypt "+strDataToEncrypt);
+    }
+
+    /**
+     * Decrypt the Data
+     * @param byteCipherText - should be valid bae64 input in the length of 16bytes
+     * @param isBase64Decoded - is data already base64 encoded&aligned to 16 bytes
+     * 		a. Initialize a new instance of Cipher for Decryption (normally don't reuse the same object)
+     * 		b. Decrypt the cipher bytes using doFinal method
+     */
+    public Either<String,String> decrypt(byte[] byteCipherText , boolean isBase64Decoded){
+        if (byteCipherText != null){
+            byte[] alignedCipherText = byteCipherText;
+            try{
+                if (isBase64Decoded)
+                    alignedCipherText = Base64.getDecoder().decode(byteCipherText);
+                LOG.debug("Decrypt key -> "+secKey.getEncoded());
+                Cipher aesCipherForDecryption = Cipher.getInstance("AES"); // Must specify the mode explicitly as most JCE providers default to ECB mode!!
+                aesCipherForDecryption.init(Cipher.DECRYPT_MODE, secKey);
+                byte[] byteDecryptedText = aesCipherForDecryption.doFinal(alignedCipherText);
+                String strDecryptedText = new String(byteDecryptedText);
+                LOG.debug("Decrypted Text message is: {}" , obfuscateKey( strDecryptedText ));
+                return Either.left(strDecryptedText);
+            } catch( NoSuchAlgorithmException e){
+                LOG.warn( "cannot encrypt data unknown algorithm or missing encoding for {}" ,secKey.getAlgorithm());
+            } catch( InvalidKeyException e){
+                LOG.warn( "invalid key recieved - > {} | {}" , Base64.getDecoder().decode( secKey.getEncoded() ), e.getMessage() );
+            } catch( IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException  e){
+                LOG.warn( "bad algorithm definition (Illegal Block Size or padding), please review you algorithm block&padding" , e.getMessage() );
+            }
+        }
+        return Either.right("Decrypt FAILED");
+    }
+
+    public Either<String,String> decrypt(String byteCipherText){
+        try {
+            return decrypt(byteCipherText.getBytes(CHARSET),true);
+        } catch( UnsupportedEncodingException e ){
+            LOG.warn( "Missing encoding for {} | {} " ,secKey.getAlgorithm() , e.getMessage());
+        }
+        return Either.right("Decrypt FAILED");
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/FilterServletOutputStream.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/FilterServletOutputStream.java
new file mode 100644
index 0000000000..14fa598a50
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/FilterServletOutputStream.java
@@ -0,0 +1,38 @@
+package org.openecomp.sdc.securityutil.filters;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.WriteListener;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class FilterServletOutputStream extends ServletOutputStream {
+
+    private DataOutputStream stream;
+
+    public FilterServletOutputStream(OutputStream output) {
+        stream = new DataOutputStream(output);
+    }
+
+    public void write(int b) throws IOException {
+        stream.write(b);
+    }
+
+    public void write(byte[] b) throws IOException  {
+        stream.write(b);
+    }
+
+    public void write(byte[] b, int off, int len) throws IOException  {
+        stream.write(b,off,len);
+    }
+
+    @Override
+    public boolean isReady() {
+        return false;
+    }
+
+    @Override
+    public void setWriteListener(WriteListener writeListener) {
+
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/ResponceWrapper.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/ResponceWrapper.java
new file mode 100644
index 0000000000..df5351fe78
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/ResponceWrapper.java
@@ -0,0 +1,53 @@
+package org.openecomp.sdc.securityutil.filters;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.WriteListener;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpServletResponseWrapper;
+import java.io.ByteArrayOutputStream;
+import java.io.CharArrayWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class ResponceWrapper extends HttpServletResponseWrapper {
+    private ByteArrayOutputStream output;
+    private int contentLength;
+    private String contentType;
+
+    public ResponceWrapper(HttpServletResponse response) {
+        super(response);
+        output = new ByteArrayOutputStream();
+    }
+
+    public byte[] getData() {
+        return output.toByteArray();
+    }
+
+    public ServletOutputStream getOutputStream() {
+        return new FilterServletOutputStream(output);
+    }
+
+    public PrintWriter getWriter() {
+        return new PrintWriter(getOutputStream(), true);
+    }
+
+    public void setContentLength(int length) {
+        this.contentLength = length;
+        super.setContentLength(length);
+    }
+
+    public int getContentLength() {
+        return contentLength;
+    }
+
+    public void setContentType(String type) {
+        this.contentType = type;
+        super.setContentType(type);
+    }
+
+
+    public String getContentType() {
+        return contentType;
+
+    }
+}
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/SampleFilter.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/SampleFilter.java
new file mode 100644
index 0000000000..15cd4c537c
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/SampleFilter.java
@@ -0,0 +1,132 @@
+package org.openecomp.sdc.securityutil.filters;
+
+
+import org.openecomp.sdc.securityutil.ISessionValidationFilterConfiguration;
+
+import javax.servlet.http.Cookie;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class SampleFilter extends SessionValidationFilter {
+
+    private static class Configuration implements ISessionValidationFilterConfiguration {
+
+        private static Configuration instance;
+
+        private String securityKey;
+        private long maxSessionTimeOut;
+        private long sessionIdleTimeOut;
+        private String redirectURL;
+        private List<String> excludedUrls;
+
+        private String cookieName;
+        private String cookieDomain;
+        private String cookiePath;
+        private boolean isCookieHttpOnly;
+
+        private Configuration() {
+            //security key should be exactly 16 characters long clear text and then encoded to base64
+            this.securityKey = "AGLDdG4D04BKm2IxIWEr8o==";
+            this.maxSessionTimeOut = 24*60*60*1000;
+            this.sessionIdleTimeOut = 60*60*1000;
+            this.redirectURL = "https://www.e-access.att.com/ecomp_portal_ist/ecompportal/process_csp";
+            this.excludedUrls = new ArrayList<>(Arrays.asList("/config","/configmgr","/rest","/kibanaProxy","/healthcheck","/upload.*"));
+
+            this.cookieName = "kuku";
+            this.cookieDomain = "";
+            this.cookiePath = "/";
+            this.isCookieHttpOnly = true;
+        }
+
+        public void setSecurityKey(String securityKey) {
+            this.securityKey = securityKey;
+        }
+
+        public void setMaxSessionTimeOut(long maxSessionTimeOut) {
+            this.maxSessionTimeOut = maxSessionTimeOut;
+        }
+
+        public void setCookieName(String cookieName) {
+            this.cookieName = cookieName;
+        }
+
+        public void setRedirectURL(String redirectURL) {
+            this.redirectURL = redirectURL;
+        }
+
+        public void setExcludedUrls(List<String> excludedUrls) {
+            this.excludedUrls = excludedUrls;
+        }
+
+        public  static Configuration getInstance(){
+            if (instance == null ){
+                instance =  new Configuration();
+            }
+            return instance;
+        }
+
+        @Override
+        public String getSecurityKey() {
+            return securityKey;
+        }
+
+        @Override
+        public long getMaxSessionTimeOut() {
+            return maxSessionTimeOut;
+        }
+
+        @Override
+        public long getSessionIdleTimeOut() {
+            return sessionIdleTimeOut;
+        }
+
+        @Override
+        public String getCookieName() {
+            return cookieName;
+        }
+
+        @Override
+        public String getCookieDomain() {
+            return cookieDomain;
+        }
+
+        @Override
+        public String getCookiePath() {
+            return cookiePath;
+        }
+
+        @Override
+        public boolean isCookieHttpOnly() {
+            return isCookieHttpOnly;
+        }
+
+        @Override
+        public String getRedirectURL() {
+            return redirectURL;
+        }
+
+        @Override
+        public List<String> getExcludedUrls() {
+            return excludedUrls;
+        }
+    }
+
+    @Override
+    public ISessionValidationFilterConfiguration getFilterConfiguration() {
+        return Configuration.getInstance();
+    }
+
+    @Override
+    protected Cookie addRoleToCookie(Cookie updatedCookie) {
+        return updatedCookie;
+    }
+
+    @Override
+    protected boolean isRoleValid(Cookie cookie) {
+        return true;
+    }
+
+}
+
+
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/SessionValidationFilter.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/SessionValidationFilter.java
new file mode 100644
index 0000000000..9863d8f904
--- /dev/null
+++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/filters/SessionValidationFilter.java
@@ -0,0 +1,194 @@
+package org.openecomp.sdc.securityutil.filters;
+
+import org.openecomp.sdc.securityutil.AuthenticationCookieUtils;
+import org.openecomp.sdc.securityutil.CipherUtilException;
+import org.openecomp.sdc.securityutil.ISessionValidationFilterConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+public abstract class SessionValidationFilter implements Filter {
+    private static final Logger log = LoggerFactory.getLogger(SessionValidationFilter.class.getName());
+    private ISessionValidationFilterConfiguration filterConfiguration;
+    private List<String> excludedUrls;
+
+    public abstract ISessionValidationFilterConfiguration getFilterConfiguration();
+    protected abstract Cookie addRoleToCookie(Cookie updatedCookie);
+    protected abstract boolean isRoleValid(Cookie cookie);
+
+    @Override
+    public final void init(FilterConfig filterConfig) throws ServletException {
+        filterConfiguration = getFilterConfiguration();
+        excludedUrls = filterConfiguration.getExcludedUrls();
+    }
+
+    @Override
+    public final void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
+        final HttpServletRequest httpRequest = (HttpServletRequest) servletRequest;
+        final HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
+
+        long starTime = System.nanoTime();
+        log.debug("SessionValidationFilter: Validation started, received request with URL {}", httpRequest.getRequestURL());
+
+        // request preprocessing
+        boolean isContinueProcessing = preProcessingRequest(servletRequest, servletResponse, filterChain, httpRequest, httpResponse);
+        List<Cookie> cookies = null;
+
+        // request processing
+        if (isContinueProcessing) {
+            cookies = extractAuthenticationCookies(httpRequest.getCookies());
+            isContinueProcessing = processRequest(httpRequest, httpResponse, cookies.get(0));
+        }
+
+        // response processing
+        if(isContinueProcessing){
+            log.debug("SessionValidationFilter: Cookie from request {} is valid, passing request to session extension ...", httpRequest.getRequestURL());
+            Cookie updatedCookie = processResponse(cookies.get(cookies.size()-1));
+
+            cleanResponceFromLeftoverCookies(httpResponse, cookies);
+
+            // Use responce wrapper if servlet remove Cookie header from responce
+//            OutputStream out = httpResponse.getOutputStream();
+//            ResponceWrapper responceWrapper = new ResponceWrapper(httpResponse);
+
+            log.debug("SessionValidationFilter: request {} passed all validations, passing request to endpoint ...", httpRequest.getRequestURL());
+            httpResponse.addCookie(updatedCookie);
+            filterChain.doFilter(servletRequest, httpResponse);
+
+            // Use responce wrapper if servlet remove Cookie header from responce
+//            responceWrapper.addCookie(updatedCookie);
+//            httpResponse.setContentLength(responceWrapper.getData().length);
+//            out.write(responceWrapper.getData());
+//            out.close();
+        }
+        long durationSec = TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - starTime);
+        long durationMil = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - starTime);
+        log.debug("SessionValidationFilter: Validation ended, running time for URL {} is: {} seconds {} miliseconds", httpRequest.getPathInfo(), durationSec, durationMil);
+    }
+
+
+    private boolean preProcessingRequest(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain, HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException, ServletException {
+
+        boolean isPreProcessingSucceeded = true;
+        if (isUrlFromWhiteList(httpRequest)) {
+            log.debug("SessionValidationFilter: URL {} excluded from access validation , passing request to endpoint ... ", httpRequest.getRequestURL());
+            filterChain.doFilter(servletRequest, servletResponse);
+            isPreProcessingSucceeded = false;
+
+        } else if (!isCookiePresent(httpRequest.getCookies())) {
+            //redirect to portal app
+            log.debug("SessionValidationFilter: Cookie from request {} is not valid, redirecting request to portal", httpRequest.getRequestURL());
+            httpResponse.sendRedirect(filterConfiguration.getRedirectURL());
+            isPreProcessingSucceeded = false;
+        }
+        return isPreProcessingSucceeded;
+    }
+
+    private boolean processRequest(HttpServletRequest httpRequest, HttpServletResponse httpResponse, Cookie cookie) throws IOException {
+        boolean isProcessSuccessful= true;
+        try {
+            if (AuthenticationCookieUtils.isSessionExpired(cookie, filterConfiguration)) {
+                //redirect to portal app
+                log.debug("SessionValidationFilter: Session is expired, redirecting request {} to portal", httpRequest.getRequestURL());
+                httpResponse.sendRedirect(filterConfiguration.getRedirectURL());
+                isProcessSuccessful = false;
+            }
+        } catch (CipherUtilException e) {
+            log.error("SessionValidationFilter: Cookie decryption error : {}", e.getMessage());
+            log.debug("SessionValidationFilter: Cookie decryption error : {}", e.getMessage(), e);
+            isProcessSuccessful = false;
+        }
+
+        if (!isRoleValid(cookie)) {
+            //redirect to portal app
+            log.debug("SessionValidationFilter: Role is not valid, redirecting request {} to portal", httpRequest.getRequestURL());
+            httpResponse.sendRedirect(filterConfiguration.getRedirectURL());
+            isProcessSuccessful = false;
+        }
+        return isProcessSuccessful;
+    }
+
+    private Cookie processResponse(Cookie cookie) throws IOException, ServletException {
+        Cookie updatedCookie;
+        try {
+            updatedCookie = AuthenticationCookieUtils.updateSessionTime(cookie, filterConfiguration);
+        } catch (CipherUtilException e) {
+            log.error("SessionValidationFilter: Cookie cipher error ...");
+            log.debug("SessionValidationFilter: Cookie cipher error : {}", e.getMessage(), e);
+            throw new ServletException(e.getMessage());
+        }
+        updatedCookie = addRoleToCookie(updatedCookie);
+        return updatedCookie;
+    }
+
+    private boolean isCookiePresent(Cookie[] cookies) {
+        if (cookies == null) {
+            return false;
+        }
+        String actualCookieName = filterConfiguration.getCookieName();
+        boolean isPresent = Arrays.stream(cookies).anyMatch(c -> isCookieNameMatch(actualCookieName, c));
+        if (!isPresent) {
+            log.error("SessionValidationFilter: Session Validation Cookie missing ...");
+            return false;
+        }
+        return true;
+    }
+
+    private List<Cookie> extractAuthenticationCookies(Cookie[] cookies) {
+        String actualCookieName = filterConfiguration.getCookieName();
+        log.debug("SessionValidationFilter: Extracting authentication cookies, {} cookies in request", cookies.length);
+        List<Cookie> authenticationCookies = Arrays.stream(cookies).filter(c -> isCookieNameMatch(actualCookieName, c)).collect(Collectors.toList());
+        log.debug("SessionValidationFilter: Extracted {} authentication cookies from request", authenticationCookies.size());
+        if( authenticationCookies.size() > 1 ){
+            authenticationCookies.forEach( cookie -> log.debug("SessionValidationFilter: Multiple cookies found cookie name, {} cookie value {}", cookie.getName(), cookie.getValue()));
+        }
+        return authenticationCookies;
+    }
+
+
+    // use contains for matching due issue with ecomp portal ( change cookie name, add prefix ), temp solution
+    private boolean isCookieNameMatch(String actualCookieName, Cookie c) {
+        return c.getName().contains(actualCookieName);
+    }
+
+    private boolean isUrlFromWhiteList(HttpServletRequest httpRequest) {
+        if (httpRequest.getPathInfo() == null){
+            final String servletPath = httpRequest.getServletPath().toLowerCase();
+            log.debug("SessionValidationFilter: pathInfo is null, trying to check by servlet path white list validation -> ServletPath: {} ", servletPath);
+            return excludedUrls.stream().
+                    anyMatch( e -> servletPath.matches(e));
+        }
+        String pathInfo = httpRequest.getPathInfo().toLowerCase();
+        log.debug("SessionValidationFilter: white list validation ->  PathInfo: {} ", pathInfo);
+        return excludedUrls.stream().
+                anyMatch( e -> pathInfo.matches(e));
+    }
+
+    private void cleanResponceFromLeftoverCookies(HttpServletResponse httpResponse, List<Cookie> cookiesList) {
+        for (Cookie cookie:cookiesList){
+            Cookie cleanCookie = AuthenticationCookieUtils.createUpdatedCookie(cookie, null, filterConfiguration);
+            cleanCookie.setMaxAge(0);
+            log.debug("SessionValidationFilter Cleaning Cookie cookie name: {} added to responce", cleanCookie.getName());
+            httpResponse.addCookie(cleanCookie);
+        }
+    }
+
+    @Override
+    public void destroy() {
+
+    }
+}