Java tutorial
/* * Password Management Servlets (PWM) * http://code.google.com/p/pwm/ * * Copyright (c) 2006-2009 Novell, Inc. * Copyright (c) 2009-2015 The PWM Project * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package password.pwm.config.value; import com.google.gson.reflect.TypeToken; import org.jdom2.CDATA; import org.jdom2.Element; import password.pwm.config.PwmSetting; import password.pwm.config.StoredValue; import password.pwm.cr.ChallengeItemBean; import password.pwm.i18n.LocaleHelper; import password.pwm.util.JsonUtil; import password.pwm.util.logging.PwmLogger; import java.util.*; public class ChallengeValue extends AbstractValue implements StoredValue { final static private PwmLogger LOGGER = PwmLogger.forClass(ChallengeValue.class); final Map<String, List<ChallengeItemBean>> values; //locale str as key. ChallengeValue(final Map<String, List<ChallengeItemBean>> values) { this.values = values; } public static StoredValueFactory factory() { return new StoredValueFactory() { public ChallengeValue fromJson(final String input) { if (input == null) { return new ChallengeValue(Collections.<String, List<ChallengeItemBean>>emptyMap()); } else { Map<String, List<ChallengeItemBean>> srcMap = JsonUtil.deserialize(input, new TypeToken<Map<String, List<ChallengeItemBean>>>() { }); srcMap = srcMap == null ? Collections.<String, List<ChallengeItemBean>>emptyMap() : new TreeMap<>(srcMap); return new ChallengeValue(Collections.unmodifiableMap(srcMap)); } } public ChallengeValue fromXmlElement(final Element settingElement, final String input) { final List valueElements = settingElement.getChildren("value"); final Map<String, List<ChallengeItemBean>> values = new TreeMap<>(); final boolean oldStyle = "LOCALIZED_STRING_ARRAY" .equals(settingElement.getAttributeValue("syntax")); for (final Object loopValue : valueElements) { final Element loopValueElement = (Element) loopValue; final String localeString = loopValueElement.getAttributeValue("locale") == null ? "" : loopValueElement.getAttributeValue("locale"); final String value = loopValueElement.getText(); if (!values.containsKey(localeString)) { values.put(localeString, new ArrayList<ChallengeItemBean>()); } final ChallengeItemBean challengeItemBean; if (oldStyle) { challengeItemBean = parseOldVersionString(value); } else { challengeItemBean = JsonUtil.deserialize(value, ChallengeItemBean.class); } if (challengeItemBean != null) { values.get(localeString).add(challengeItemBean); } } return new ChallengeValue(values); } }; } public List<Element> toXmlValues(final String valueElementName) { final List<Element> returnList = new ArrayList<>(); for (final String locale : values.keySet()) { for (final ChallengeItemBean value : values.get(locale)) { if (value != null) { final Element valueElement = new Element(valueElementName); valueElement.addContent(new CDATA(JsonUtil.serialize(value))); if (locale != null && locale.length() > 0) { valueElement.setAttribute("locale", locale); } returnList.add(valueElement); } } } return returnList; } public Map<String, List<ChallengeItemBean>> toNativeObject() { return Collections.unmodifiableMap(values); } public List<String> validateValue(PwmSetting pwmSetting) { if (pwmSetting.isRequired()) { if (values == null || values.size() < 1 || values.keySet().iterator().next().length() < 1) { return Collections.singletonList("required value missing"); } } if (values != null) { for (final String localeKey : values.keySet()) { for (final ChallengeItemBean itemBean : values.get(localeKey)) { if (itemBean != null) { if (itemBean.isAdminDefined() && (itemBean.getText() == null || itemBean.getText().length() < 1)) { return Collections.singletonList( "admin-defined challenge must contain text (locale='" + localeKey + "')"); } if (itemBean.getMinLength() < 1) { return Collections .singletonList("challenge minimum length must be greater than 0 (text=" + itemBean.getText() + ", locale='" + localeKey + "')"); } if (itemBean.getMaxLength() > 255) { return Collections.singletonList("challenge maximum length must be less than 256 (text=" + itemBean.getText() + ", locale='" + localeKey + "')"); } if (itemBean.getMinLength() > itemBean.getMaxLength()) { return Collections.singletonList( "challenge minimum length must be less than maximum length (text=" + itemBean.getText() + ", locale='" + localeKey + "')"); } } } } } return Collections.emptyList(); } private static ChallengeItemBean parseOldVersionString(final String inputString) { if (inputString == null || inputString.length() < 1) { return null; } int minLength = 2; int maxLength = 255; String challengeText = ""; final String[] s1 = inputString.split("::"); if (s1.length > 0) { challengeText = s1[0].trim(); } if (s1.length > 1) { try { minLength = Integer.parseInt(s1[1]); } catch (Exception e) { LOGGER.debug("unexpected error parsing config input '" + inputString + "' " + e.getMessage()); } } if (s1.length > 2) { try { maxLength = Integer.parseInt(s1[2]); } catch (Exception e) { LOGGER.debug("unexpected error parsing config input '" + inputString + "' " + e.getMessage()); } } boolean adminDefined = true; if ("%user%".equalsIgnoreCase(challengeText)) { challengeText = ""; adminDefined = false; } return new ChallengeItemBean(challengeText, minLength, maxLength, adminDefined); } public String toDebugString(boolean prettyFormat, Locale locale) { if (prettyFormat && values != null && !values.isEmpty()) { final StringBuilder sb = new StringBuilder(); for (final String localeKey : values.keySet()) { final List<ChallengeItemBean> challengeItems = values.get(localeKey); sb.append("Locale: ").append(LocaleHelper.debugLabel(LocaleHelper.parseLocaleString(localeKey))) .append("\n"); for (ChallengeItemBean challengeItemBean : challengeItems) { sb.append(" ChallengeItem: [AdminDefined: ").append(challengeItemBean.isAdminDefined()); sb.append(" MinLength:").append(challengeItemBean.getMinLength()); sb.append(" MaxLength:").append(challengeItemBean.getMaxLength()); sb.append(" MaxQuestionCharsInAnswer:").append(challengeItemBean.getMaxQuestionCharsInAnswer()); sb.append(" EnforceWordlist:").append(challengeItemBean.isEnforceWordlist()); sb.append("]\n"); sb.append(" Text:").append(challengeItemBean.getText()).append("\n"); } } return sb.toString(); } else { return JsonUtil.serializeMap(values); } } }