001
014
015 package com.liferay.portal.security.pwd;
016
017 import com.liferay.portal.UserPasswordException;
018 import com.liferay.portal.kernel.exception.PortalException;
019 import com.liferay.portal.kernel.exception.SystemException;
020 import com.liferay.portal.kernel.util.ArrayUtil;
021 import com.liferay.portal.kernel.util.Randomizer;
022 import com.liferay.portal.kernel.util.StringBundler;
023 import com.liferay.portal.kernel.util.Validator;
024 import com.liferay.portal.model.PasswordPolicy;
025 import com.liferay.portal.model.User;
026 import com.liferay.portal.service.PasswordTrackerLocalServiceUtil;
027 import com.liferay.portal.service.UserLocalServiceUtil;
028 import com.liferay.portal.util.PropsValues;
029 import com.liferay.portal.words.WordsUtil;
030 import com.liferay.util.PwdGenerator;
031
032 import java.util.Arrays;
033 import java.util.Date;
034
035
039 public class PasswordPolicyToolkit extends BasicToolkit {
040
041 public PasswordPolicyToolkit() {
042 _lowerCaseCharsetArray = getSortedCharArray(
043 PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_LOWERCASE);
044 _numbersCharsetArray = getSortedCharArray(
045 PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_NUMBERS);
046 _symbolsCharsetArray = getSortedCharArray(
047 PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_SYMBOLS);
048 _upperCaseCharsetArray = getSortedCharArray(
049 PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_UPPERCASE);
050
051 _alphanumericCharsetArray = ArrayUtil.append(
052 _lowerCaseCharsetArray, _upperCaseCharsetArray,
053 _numbersCharsetArray);
054
055 Arrays.sort(_alphanumericCharsetArray);
056
057 StringBundler sb = new StringBundler(4);
058
059 sb.append(
060 PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_LOWERCASE);
061 sb.append(PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_NUMBERS);
062 sb.append(PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_SYMBOLS);
063 sb.append(
064 PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_CHARSET_UPPERCASE);
065
066 _completeCharset = sb.toString();
067 }
068
069 @Override
070 public String generate(PasswordPolicy passwordPolicy) {
071 if (PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_GENERATOR.equals(
072 "static")) {
073
074 return generateStatic(passwordPolicy);
075 }
076 else {
077 return generateDynamic(passwordPolicy);
078 }
079 }
080
081 @Override
082 public void validate(
083 long userId, String password1, String password2,
084 PasswordPolicy passwordPolicy)
085 throws PortalException, SystemException {
086
087 if (passwordPolicy.isCheckSyntax()) {
088 if (!passwordPolicy.isAllowDictionaryWords() &&
089 WordsUtil.isDictionaryWord(password1)) {
090
091 throw new UserPasswordException(
092 UserPasswordException.PASSWORD_CONTAINS_TRIVIAL_WORDS);
093 }
094
095 if (password1.length() < passwordPolicy.getMinLength()) {
096 throw new UserPasswordException(
097 UserPasswordException.PASSWORD_LENGTH);
098 }
099
100 if ((getUsageCount(password1, _alphanumericCharsetArray) <
101 passwordPolicy.getMinAlphanumeric()) ||
102 (getUsageCount(password1, _lowerCaseCharsetArray) <
103 passwordPolicy.getMinLowerCase()) ||
104 (getUsageCount(password1, _numbersCharsetArray) <
105 passwordPolicy.getMinNumbers()) ||
106 (getUsageCount(password1, _symbolsCharsetArray) <
107 passwordPolicy.getMinSymbols()) ||
108 (getUsageCount(password1, _upperCaseCharsetArray) <
109 passwordPolicy.getMinUpperCase())) {
110
111 throw new UserPasswordException(
112 UserPasswordException.PASSWORD_TOO_TRIVIAL);
113 }
114
115 if (Validator.isNotNull(passwordPolicy.getRegex()) &&
116 !password1.matches(passwordPolicy.getRegex())) {
117
118 throw new UserPasswordException(
119 UserPasswordException.PASSWORD_INVALID);
120 }
121 }
122
123 if (!passwordPolicy.isChangeable()) {
124 throw new UserPasswordException(
125 UserPasswordException.PASSWORD_NOT_CHANGEABLE);
126 }
127
128 if (userId != 0) {
129 User user = UserLocalServiceUtil.getUserById(userId);
130
131 Date passwordModfiedDate = user.getPasswordModifiedDate();
132
133 if (passwordModfiedDate != null) {
134
135
136
137 Date now = new Date();
138
139 long passwordModificationElapsedTime =
140 now.getTime() - passwordModfiedDate.getTime();
141
142 long userCreationElapsedTime =
143 now.getTime() - user.getCreateDate().getTime();
144
145 long minAge = passwordPolicy.getMinAge() * 1000;
146
147 if ((passwordModificationElapsedTime < minAge) &&
148 (userCreationElapsedTime > minAge)) {
149
150 throw new UserPasswordException(
151 UserPasswordException.PASSWORD_TOO_YOUNG);
152 }
153 }
154
155 if (PasswordTrackerLocalServiceUtil.isSameAsCurrentPassword(
156 userId, password1)) {
157
158 throw new UserPasswordException(
159 UserPasswordException.PASSWORD_SAME_AS_CURRENT);
160 }
161 else if (!PasswordTrackerLocalServiceUtil.isValidPassword(
162 userId, password1)) {
163
164 throw new UserPasswordException(
165 UserPasswordException.PASSWORD_ALREADY_USED);
166 }
167 }
168 }
169
170 protected String generateDynamic(PasswordPolicy passwordPolicy) {
171 int alphanumericMinLength = Math.max(
172 passwordPolicy.getMinAlphanumeric(),
173 passwordPolicy.getMinLowerCase() + passwordPolicy.getMinNumbers() +
174 passwordPolicy.getMinUpperCase());
175 int passwordMinLength = Math.max(
176 passwordPolicy.getMinLength(),
177 alphanumericMinLength + passwordPolicy.getMinSymbols());
178
179 StringBundler sb = new StringBundler(passwordMinLength);
180
181 if (passwordPolicy.getMinLowerCase() > 0) {
182 sb.append(
183 getRandomString(
184 passwordPolicy.getMinLowerCase(), _lowerCaseCharsetArray));
185 }
186
187 if (passwordPolicy.getMinNumbers() > 0) {
188 sb.append(
189 getRandomString(
190 passwordPolicy.getMinNumbers(), _numbersCharsetArray));
191 }
192
193 if (passwordPolicy.getMinSymbols() > 0) {
194 sb.append(
195 getRandomString(
196 passwordPolicy.getMinSymbols(), _symbolsCharsetArray));
197 }
198
199 if (passwordPolicy.getMinUpperCase() > 0) {
200 sb.append(
201 getRandomString(
202 passwordPolicy.getMinUpperCase(), _upperCaseCharsetArray));
203 }
204
205 if (alphanumericMinLength > passwordPolicy.getMinAlphanumeric()) {
206 int count =
207 alphanumericMinLength - passwordPolicy.getMinAlphanumeric();
208
209 sb.append(getRandomString(count, _alphanumericCharsetArray));
210 }
211
212 if (passwordMinLength >
213 (alphanumericMinLength + passwordPolicy.getMinSymbols())) {
214
215 int count =
216 passwordMinLength -
217 (alphanumericMinLength + passwordPolicy.getMinSymbols());
218
219 sb.append(PwdGenerator.getSecurePassword(_completeCharset, count));
220 }
221
222 Randomizer randomizer = Randomizer.getInstance();
223
224 return randomizer.randomize(sb.toString());
225 }
226
227 protected String generateStatic(PasswordPolicy passwordPolicy) {
228 return PropsValues.PASSWORDS_PASSWORDPOLICYTOOLKIT_STATIC;
229 }
230
231 protected String getRandomString(int count, char[] chars) {
232 StringBundler sb = new StringBundler(count);
233
234 Randomizer randomizer = Randomizer.getInstance();
235
236 for (int i = 0; i < count; i++) {
237 int index = randomizer.nextInt(chars.length);
238
239 sb.append(chars[index]);
240 }
241
242 return sb.toString();
243 }
244
245 protected char[] getSortedCharArray(String s) {
246 char[] chars = s.toCharArray();
247
248 Arrays.sort(chars);
249
250 return chars;
251 }
252
253 protected int getUsageCount(String s, char[] chars) {
254 int count = 0;
255
256 for (int i = 0; i < s.length(); i++) {
257 if (Arrays.binarySearch(chars, s.charAt(i)) >= 0) {
258 count++;
259 }
260 }
261
262 return count;
263 }
264
265 private char[] _alphanumericCharsetArray;
266 private String _completeCharset;
267 private char[] _lowerCaseCharsetArray;
268 private char[] _numbersCharsetArray;
269 private char[] _symbolsCharsetArray;
270 private char[] _upperCaseCharsetArray;
271
272 }