001
014
015 package com.liferay.portal.security.auth;
016
017 import com.liferay.portal.kernel.util.CharPool;
018 import com.liferay.portal.kernel.util.GetterUtil;
019 import com.liferay.portal.kernel.util.PrefsPropsUtil;
020 import com.liferay.portal.kernel.util.PropsKeys;
021 import com.liferay.portal.kernel.util.PropsUtil;
022 import com.liferay.portal.kernel.util.StringPool;
023 import com.liferay.portal.kernel.util.StringUtil;
024 import com.liferay.portal.kernel.util.Validator;
025 import com.liferay.portal.service.GroupLocalServiceUtil;
026 import com.liferay.portal.service.UserLocalServiceUtil;
027
028
033 public class DefaultScreenNameGenerator implements ScreenNameGenerator {
034
035 @Override
036 public String generate(long companyId, long userId, String emailAddress)
037 throws Exception {
038
039 String screenName = null;
040
041 if (Validator.isNotNull(emailAddress)) {
042 screenName = StringUtil.extractFirst(emailAddress, CharPool.AT);
043
044 screenName = StringUtil.toLowerCase(screenName);
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 (StringUtil.equalsIgnoreCase(screenName, 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 for (int i = 1;; i++) {
098 String tempScreenName = screenName + StringPool.PERIOD + i;
099
100 if (UserLocalServiceUtil.fetchUserByScreenName(
101 companyId, tempScreenName) != null) {
102
103 continue;
104 }
105
106 if (GroupLocalServiceUtil.fetchFriendlyURLGroup(
107 companyId, StringPool.SLASH + tempScreenName) == null) {
108
109 return tempScreenName;
110 }
111 }
112 }
113
114 private static final String[] _ADMIN_RESERVED_SCREEN_NAMES =
115 StringUtil.splitLines(
116 PropsUtil.get(PropsKeys.ADMIN_RESERVED_SCREEN_NAMES));
117
118 private static final String _NON_NUMERICAL_PREFIX = "user.";
119
120 private static final boolean _USERS_SCREEN_NAME_ALLOW_NUMERIC =
121 GetterUtil.getBoolean(
122 PropsUtil.get(PropsKeys.USERS_SCREEN_NAME_ALLOW_NUMERIC));
123
124 }