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