001
014
015 package com.liferay.portal.security.auth;
016
017 import com.liferay.portal.kernel.exception.SystemException;
018 import com.liferay.portal.kernel.util.CharPool;
019 import com.liferay.portal.kernel.util.GetterUtil;
020 import com.liferay.portal.kernel.util.PrefsPropsUtil;
021 import com.liferay.portal.kernel.util.PropsKeys;
022 import com.liferay.portal.kernel.util.PropsUtil;
023 import com.liferay.portal.kernel.util.StringPool;
024 import com.liferay.portal.kernel.util.StringUtil;
025 import com.liferay.portal.kernel.util.Validator;
026 import com.liferay.portal.service.GroupLocalServiceUtil;
027 import com.liferay.portal.service.UserLocalServiceUtil;
028
029
034 public class DefaultScreenNameGenerator implements ScreenNameGenerator {
035
036 @Override
037 public String generate(long companyId, long userId, String emailAddress)
038 throws Exception {
039
040 String screenName = null;
041
042 if (Validator.isNotNull(emailAddress)) {
043 screenName = StringUtil.extractFirst(
044 emailAddress, CharPool.AT).toLowerCase();
045
046 for (char c : screenName.toCharArray()) {
047 if (!Validator.isChar(c) && !Validator.isDigit(c) &&
048 (c != CharPool.DASH) && (c != CharPool.PERIOD)) {
049
050 screenName = StringUtil.replace(
051 screenName, c, CharPool.PERIOD);
052 }
053 }
054
055 if (screenName.equals(DefaultScreenNameValidator.CYRUS) ||
056 screenName.equals(DefaultScreenNameValidator.POSTFIX)) {
057
058 screenName += StringPool.PERIOD + userId;
059 }
060 }
061 else {
062 screenName = String.valueOf(userId);
063 }
064
065 if (!_USERS_SCREEN_NAME_ALLOW_NUMERIC &&
066 Validator.isNumber(screenName)) {
067
068 screenName = _NON_NUMERICAL_PREFIX + screenName;
069 }
070
071 String[] reservedScreenNames = PrefsPropsUtil.getStringArray(
072 companyId, PropsKeys.ADMIN_RESERVED_SCREEN_NAMES,
073 StringPool.NEW_LINE, _ADMIN_RESERVED_SCREEN_NAMES);
074
075 for (String reservedScreenName : reservedScreenNames) {
076 if (screenName.equalsIgnoreCase(reservedScreenName)) {
077 return getUnusedScreenName(companyId, screenName);
078 }
079 }
080
081 if (UserLocalServiceUtil.fetchUserByScreenName(
082 companyId, screenName) != null) {
083
084 return getUnusedScreenName(companyId, screenName);
085 }
086
087 if (GroupLocalServiceUtil.fetchFriendlyURLGroup(
088 companyId, StringPool.SLASH + screenName) == null) {
089
090 return screenName;
091 }
092
093 return getUnusedScreenName(companyId, screenName);
094 }
095
096 protected String getUnusedScreenName(long companyId, String screenName)
097 throws SystemException {
098
099 for (int i = 1;; i++) {
100 String tempScreenName = screenName + StringPool.PERIOD + i;
101
102 if (UserLocalServiceUtil.fetchUserByScreenName(
103 companyId, tempScreenName) != null) {
104
105 continue;
106 }
107
108 if (GroupLocalServiceUtil.fetchFriendlyURLGroup(
109 companyId, StringPool.SLASH + tempScreenName) == null) {
110
111 return tempScreenName;
112 }
113 }
114 }
115
116 private static final String[] _ADMIN_RESERVED_SCREEN_NAMES =
117 StringUtil.splitLines(
118 PropsUtil.get(PropsKeys.ADMIN_RESERVED_SCREEN_NAMES));
119
120 private static final String _NON_NUMERICAL_PREFIX = "user.";
121
122 private static final boolean _USERS_SCREEN_NAME_ALLOW_NUMERIC =
123 GetterUtil.getBoolean(
124 PropsUtil.get(PropsKeys.USERS_SCREEN_NAME_ALLOW_NUMERIC));
125
126 }