package org.opendaylight.controller.usermanager;
import java.io.Serializable;
+import java.nio.charset.Charset;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Pattern;
import org.opendaylight.controller.sal.authorization.AuthResultEnum;
+import org.opendaylight.controller.sal.utils.HexEncode;
import org.opendaylight.controller.sal.utils.Status;
import org.opendaylight.controller.sal.utils.StatusCode;
import org.opendaylight.controller.usermanager.AuthResponse;
public class UserConfig implements Serializable {
private static final long serialVersionUID = 1L;
- /*
- * Clear text password as we are moving to some MD5 digest for when saving
- * configurations
- */
protected String user;
protected List<String> roles;
private String password;
+
+ private static final boolean strongPasswordCheck = Boolean.getBoolean("enableStrongPasswordCheck");
+ private static final String BAD_PASSWORD = "Bad Password";
private static final int USERNAME_MAXLENGTH = 32;
- private static final int PASSWORD_MINLENGTH = 5;
- private static final int PASSWORD_MAXLENGTH = 256;
- private static final Pattern INVALID_USERNAME_CHARACTERS = Pattern
- .compile("([/\\s\\.\\?#%;\\\\]+)");
+ protected static final String PASSWORD_REGEX = "(?=.*[^\\w])(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{8,256}$";
+ private static final Pattern INVALID_USERNAME_CHARACTERS = Pattern.compile("([/\\s\\.\\?#%;\\\\]+)");
+ private static MessageDigest oneWayFunction = null;
+ static {
+ try {
+ UserConfig.oneWayFunction = MessageDigest.getInstance("SHA-1");
+ } catch (NoSuchAlgorithmException e) {
+ e.printStackTrace();
+ }
+ }
public UserConfig() {
}
+ /**
+ * Construct a UserConfig object and takes care of hashing the user password
+ *
+ * @param user
+ * the user name
+ * @param password
+ * the plain text password
+ * @param roles
+ * the list of roles
+ */
public UserConfig(String user, String password, List<String> roles) {
this.user = user;
- this.password = password;
- this.roles = (roles == null) ? new ArrayList<String>()
- : new ArrayList<String>(roles);
+
+ /*
+ * Password validation to be done on clear text password. If fails, mark
+ * the password with a well known label, so that object validation can
+ * report the proper error. Only if password is a valid one, hash it.
+ */
+ this.password = (validatePassword(password).isSuccess()) ? hash(password) : BAD_PASSWORD;
+
+ this.roles = (roles == null) ? new ArrayList<String>() : new ArrayList<String>(roles);
}
public String getUser() {
@Override
public boolean equals(Object obj) {
- if (this == obj)
+ if (this == obj) {
return true;
- if (obj == null)
+ }
+ if (obj == null) {
return false;
- if (getClass() != obj.getClass())
+ }
+ if (getClass() != obj.getClass()) {
return false;
+ }
UserConfig other = (UserConfig) obj;
if (password == null) {
- if (other.password != null)
+ if (other.password != null) {
return false;
- } else if (!password.equals(other.password))
+ }
+ } else if (!password.equals(other.password)) {
return false;
+ }
if (roles == null) {
- if (other.roles != null)
+ if (other.roles != null) {
return false;
- } else if (!roles.equals(other.roles))
+ }
+ } else if (!roles.equals(other.roles)) {
return false;
+ }
if (user == null) {
- if (other.user != null)
+ if (other.user != null) {
return false;
- } else if (!user.equals(other.user))
+ }
+ } else if (!user.equals(other.user)) {
return false;
+ }
return true;
}
}
public Status validate() {
- Status validCheck = validateRoles();
+ Status validCheck = validateUsername();
if (validCheck.isSuccess()) {
- validCheck = validateUsername();
+ validCheck = (!password.equals(BAD_PASSWORD)) ? new Status(StatusCode.SUCCESS) : new Status(
+ StatusCode.BADREQUEST,
+ "Password should be 8 to 256 characters long, contain both upper and lower case letters, "
+ + "at least one number and at least one non alphanumeric character");
}
if (validCheck.isSuccess()) {
- validCheck = validatePassword();
+ validCheck = validateRoles();
}
return validCheck;
}
}
Matcher mUser = UserConfig.INVALID_USERNAME_CHARACTERS.matcher(user);
- if (user.length() > UserConfig.USERNAME_MAXLENGTH
- || mUser.find() == true) {
+ if (user.length() > UserConfig.USERNAME_MAXLENGTH || mUser.find() == true) {
return new Status(StatusCode.BADREQUEST,
"Username can have 1-32 non-whitespace "
+ "alphanumeric characters and any special "
return new Status(StatusCode.SUCCESS);
}
- private Status validatePassword() {
+ private Status validatePassword(String password) {
if (password == null || password.isEmpty()) {
return new Status(StatusCode.BADREQUEST, "Password cannot be empty");
}
- if (password.length() < UserConfig.PASSWORD_MINLENGTH
- || password.length() > UserConfig.PASSWORD_MAXLENGTH) {
- return new Status(StatusCode.BADREQUEST,
- "Password should have 5-256 characters");
+ if (strongPasswordCheck && !password.matches(UserConfig.PASSWORD_REGEX)) {
+ return new Status(StatusCode.BADREQUEST, "Password should be 8 to 256 characters long, "
+ + "contain both upper and lower case letters, at least one number "
+ + "and at least one non alphanumeric character");
}
return new Status(StatusCode.SUCCESS);
}
return new Status(StatusCode.SUCCESS);
}
- public Status update(String currentPassword, String newPassword,
- List<String> newRoles) {
+ public Status update(String currentPassword, String newPassword, List<String> newRoles) {
+
// To make any changes to a user configured profile, current password
// must always be provided
- if (!this.password.equals(currentPassword)) {
- return new Status(StatusCode.BADREQUEST,
- "Current password is incorrect");
+ if (!this.password.equals(hash(currentPassword))) {
+ return new Status(StatusCode.BADREQUEST, "Current password is incorrect");
}
// Create a new object with the proposed modifications
UserConfig proposed = new UserConfig();
proposed.user = this.user;
- proposed.password = (newPassword != null)? newPassword : this.password;
- proposed.roles = (newRoles != null)? newRoles : this.roles;
+ proposed.password = (newPassword == null)? this.password : hash(newPassword);
+ proposed.roles = (newRoles == null)? this.roles : newRoles;
// Validate it
Status status = proposed.validate();
public AuthResponse authenticate(String clearTextPass) {
AuthResponse locResponse = new AuthResponse();
- if (password.equals(clearTextPass)) {
+ if (password.equals(hash(clearTextPass))) {
locResponse.setStatus(AuthResultEnum.AUTH_ACCEPT_LOC);
locResponse.addData(getRolesString());
} else {
}
return buffer.toString();
}
+
+ public static String hash(String message) {
+ if (message == null) {
+ return message;
+ }
+ UserConfig.oneWayFunction.reset();
+ return HexEncode.bytesToHexString(UserConfig.oneWayFunction.digest(message.getBytes(Charset.defaultCharset())));
+ }
+
+ /**
+ * Returns UserConfig instance populated with the passed parameters. It does
+ * not run any checks on the passed parameters.
+ *
+ * @param userName
+ * the user name
+ * @param password
+ * the plain text password
+ * @param roles
+ * the list of roles
+ * @return the UserConfig object populated with the passed parameters. No
+ * validity check is run on the input parameters.
+ */
+ public static UserConfig getUncheckedUserConfig(String userName, String password, List<String> roles) {
+ UserConfig config = new UserConfig();
+ config.user = userName;
+ config.password = hash(password);
+ config.roles = roles;
+ return config;
+ }
}