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 public String generate(long companyId, long userId, String emailAddress)
040 throws Exception {
041
042 String screenName = null;
043
044 if (Validator.isNotNull(emailAddress)) {
045 screenName = StringUtil.extractFirst(
046 emailAddress, CharPool.AT).toLowerCase();
047
048 for (char c : screenName.toCharArray()) {
049 if ((!_USERS_SCREEN_NAME_ALLOW_NUMERIC &&
050 Validator.isDigit(c)) ||
051 (!Validator.isChar(c) && (c != CharPool.DASH) &&
052 (c != CharPool.PERIOD))) {
053
054 screenName = StringUtil.replace(
055 screenName, c, CharPool.PERIOD);
056 }
057 }
058
059 if (screenName.equals(DefaultScreenNameValidator.CYRUS) ||
060 screenName.equals(DefaultScreenNameValidator.POSTFIX)) {
061
062 screenName += StringPool.PERIOD + userId;
063 }
064 }
065 else {
066 screenName = String.valueOf(userId);
067 }
068
069 String[] reservedScreenNames = PrefsPropsUtil.getStringArray(
070 companyId, PropsKeys.ADMIN_RESERVED_SCREEN_NAMES,
071 StringPool.NEW_LINE, _ADMIN_RESERVED_SCREEN_NAMES);
072
073 for (String reservedScreenName : reservedScreenNames) {
074 if (screenName.equalsIgnoreCase(reservedScreenName)) {
075 return getUnusedScreenName(companyId, screenName);
076 }
077 }
078
079 try {
080 UserLocalServiceUtil.getUserByScreenName(companyId, screenName);
081 }
082 catch (NoSuchUserException nsue) {
083 try {
084 GroupLocalServiceUtil.getFriendlyURLGroup(
085 companyId, StringPool.SLASH + screenName);
086 }
087 catch (NoSuchGroupException nsge) {
088 return screenName;
089 }
090 }
091
092 return getUnusedScreenName(companyId, screenName);
093 }
094
095 protected String getUnusedScreenName(long companyId, String screenName)
096 throws PortalException, SystemException {
097
098 for (int i = 1;; i++) {
099 String tempScreenName = screenName + StringPool.PERIOD + i;
100
101 try {
102 UserLocalServiceUtil.getUserByScreenName(
103 companyId, tempScreenName);
104 }
105 catch (NoSuchUserException nsue) {
106 try {
107 GroupLocalServiceUtil.getFriendlyURLGroup(
108 companyId, StringPool.SLASH + tempScreenName);
109 }
110 catch (NoSuchGroupException nsge) {
111 screenName = tempScreenName;
112
113 break;
114 }
115 }
116 }
117
118 return screenName;
119 }
120
121 private static final String[] _ADMIN_RESERVED_SCREEN_NAMES =
122 StringUtil.splitLines(
123 PropsUtil.get(PropsKeys.ADMIN_RESERVED_SCREEN_NAMES));
124
125 private static final boolean _USERS_SCREEN_NAME_ALLOW_NUMERIC =
126 GetterUtil.getBoolean(
127 PropsUtil.get(PropsKeys.USERS_SCREEN_NAME_ALLOW_NUMERIC));
128
129 }