001
014
015 package com.liferay.portal.security.auth;
016
017 import com.liferay.portal.NoSuchGroupException;
018 import com.liferay.portal.NoSuchUserException;
019 import com.liferay.portal.kernel.exception.PortalException;
020 import com.liferay.portal.kernel.exception.SystemException;
021 import com.liferay.portal.kernel.util.CharPool;
022 import com.liferay.portal.kernel.util.GetterUtil;
023 import com.liferay.portal.kernel.util.PrefsPropsUtil;
024 import com.liferay.portal.kernel.util.PropsKeys;
025 import com.liferay.portal.kernel.util.PropsUtil;
026 import com.liferay.portal.kernel.util.StringPool;
027 import com.liferay.portal.kernel.util.StringUtil;
028 import com.liferay.portal.kernel.util.Validator;
029 import com.liferay.portal.service.GroupLocalServiceUtil;
030 import com.liferay.portal.service.UserLocalServiceUtil;
031
032
037 public class DefaultScreenNameGenerator implements ScreenNameGenerator {
038
039 @Override
040 public String generate(long companyId, long userId, String emailAddress)
041 throws Exception {
042
043 String screenName = null;
044
045 if (Validator.isNotNull(emailAddress)) {
046 screenName = StringUtil.extractFirst(
047 emailAddress, CharPool.AT).toLowerCase();
048
049 for (char c : screenName.toCharArray()) {
050 if (!Validator.isChar(c) && !Validator.isDigit(c) &&
051 (c != CharPool.DASH) && (c != CharPool.PERIOD)) {
052
053 screenName = StringUtil.replace(
054 screenName, c, CharPool.PERIOD);
055 }
056 }
057
058 if (screenName.equals(DefaultScreenNameValidator.CYRUS) ||
059 screenName.equals(DefaultScreenNameValidator.POSTFIX)) {
060
061 screenName += StringPool.PERIOD + userId;
062 }
063 }
064 else {
065 screenName = String.valueOf(userId);
066 }
067
068 if (!_USERS_SCREEN_NAME_ALLOW_NUMERIC &&
069 Validator.isNumber(screenName)) {
070
071 screenName = _NON_NUMERICAL_PREFIX + screenName;
072 }
073
074 String[] reservedScreenNames = PrefsPropsUtil.getStringArray(
075 companyId, PropsKeys.ADMIN_RESERVED_SCREEN_NAMES,
076 StringPool.NEW_LINE, _ADMIN_RESERVED_SCREEN_NAMES);
077
078 for (String reservedScreenName : reservedScreenNames) {
079 if (screenName.equalsIgnoreCase(reservedScreenName)) {
080 return getUnusedScreenName(companyId, screenName);
081 }
082 }
083
084 try {
085 UserLocalServiceUtil.getUserByScreenName(companyId, screenName);
086 }
087 catch (NoSuchUserException nsue) {
088 try {
089 GroupLocalServiceUtil.getFriendlyURLGroup(
090 companyId, StringPool.SLASH + screenName);
091 }
092 catch (NoSuchGroupException nsge) {
093 return screenName;
094 }
095 }
096
097 return getUnusedScreenName(companyId, screenName);
098 }
099
100 protected String getUnusedScreenName(long companyId, String screenName)
101 throws PortalException, SystemException {
102
103 for (int i = 1;; i++) {
104 String tempScreenName = screenName + StringPool.PERIOD + i;
105
106 try {
107 UserLocalServiceUtil.getUserByScreenName(
108 companyId, tempScreenName);
109 }
110 catch (NoSuchUserException nsue) {
111 try {
112 GroupLocalServiceUtil.getFriendlyURLGroup(
113 companyId, StringPool.SLASH + tempScreenName);
114 }
115 catch (NoSuchGroupException nsge) {
116 screenName = tempScreenName;
117
118 break;
119 }
120 }
121 }
122
123 return screenName;
124 }
125
126 private static final String[] _ADMIN_RESERVED_SCREEN_NAMES =
127 StringUtil.splitLines(
128 PropsUtil.get(PropsKeys.ADMIN_RESERVED_SCREEN_NAMES));
129
130 private static final String _NON_NUMERICAL_PREFIX = "user.";
131
132 private static final boolean _USERS_SCREEN_NAME_ALLOW_NUMERIC =
133 GetterUtil.getBoolean(
134 PropsUtil.get(PropsKeys.USERS_SCREEN_NAME_ALLOW_NUMERIC));
135
136 }